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Add the following paragraphs to this subsection:
No contractor or subcontractor of any tier may be awarded a Contract for public work on a public works project or work on a public works project without proof of registration with the Department of Industrial Relations pursuant to Labor Code section 1725.5.
Registrations under Section 1725.5 expire annually at the end of June, and Contractor is responsible for verifying the renewal status of each subcontractor, of any tier, working on this Contract, and providing City with an updated list of all subcontractors and their registration status.
Subcontractors who do not timely renew their registration must be removed from the job site until they are registered. The removal of a subcontractor for failure to be registered shall not be cause for any extension of time or additional compensation of any nature under the Contract.
In accordance with the requirements of Section 1771.1(j) of the Labor Code, the Agency will observe and enforce any Stop Order issued by the Labor Commissioner where a contractor or subcontractor engages in the performance of any public work Contract without having been registered in violation of the requirements of Section 1725.5 or this section, and will not allow the unregistered contractor or the unregistered subcontractor to work on any public works until the unregistered contractor or unregistered subcontractor is registered.
In accordance with the provisions of Section 1771.4(a)(1) of the California Labor Code, this project is subject to compliance monitoring and enforcement by the Department of Industrial Relations.
In accordance with the provisions of Sectio n 1771.4(a)(2) of the California Labor Code, the prime contractor shall post job site notices, as prescribed by regulation.
5-3.2 Prevailing Wages.
Replace this subsection with the following paragraphs:
Pursuant to the Vista City Charter and the Vista Municipal Code, payment of prevailing wages and compliance with the California Labor Code Sections 1770 et seq IS required for this Project.
State prevailing rates of wages and classifications, as applicable to this contract, are ascertained and adopted by the State of California, Director of Industrial Relations (DIR) pursuant to California Labor Code Article 2 of Chapter 1 of Part 7 of Division 2, as amended, which is made a part herein, and the provisions of Section 1777.5 and 1777.6 of the Labor Code concerning the employment of apprentices by the Contractor or any subcontracto r under him. Certified payroll on an approved compliance format is required for all work under this Contract.
Pursuant to Section 1773 of the Labor Code, the general prevailing wage rates in the county, or counties, in which the Work is to be done have been determined by the Director of the California Department of Industrial Relations (DIR). These wages are set forth in the General Prevailing Wage Rates for this Project, available at the California Department of Industrial Relations’ (DIR) Internet URL website link at:
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http://www.dir.ca.gov/DLSR/PWD
When the Contractor intends to use a craft or classification not shown in the wage provisions, it will be required to pay the wage rate of that craft or classification most closely related to that craft or classification as shown on the wage provisions. In case of disagreement between the Contractor and the Agency, the Engineer shall decide the prevailing wages for the labor.
The Contractor shall comply with the provisions of California Labor Code Section 1773.8 which requires the payment of travel and subsistence payments to each worker needed to execute the work to the extent required by law.
The Contractor shall, as a penalty to the Agency, forfeit not more than fifty dollars ($50) for each calendar day, or portion thereof, for each worker paid less than the prevailing rates as determined by the Director of Industrial Relations for the work or craft in which the worker is employed for any public work done under the Contract by Contractor or by any subcontractor.
5-3.2.1 Apprentices.
Add the following new subsection:
5-3.2.1 Apprentices. Attention is directed to the provisions of Section 1777.5 and 1777.6 of the labor Code concerning the employment of apprentices by the Contractor or any Subcontractor under him/her. The Contractor and any Subcontractor under him/her shall comply with the requirements of said sections in the employment of apprentices.
The Agency will provide notice to the Department of Industrial Relations of any public works Contract using the online PWC-100 form. The online PWC-100 form is also transmitted to the Department of Apprenticeship St andards (DAS) to inform them of the award of a contract. The Contractor and each subcontractor shall also submit a “Public Works Contract Award Information” form (DAS form 140) to inform all applicable apprenticeship committees of the award of a contract.
The Contractor and each subcontractor shall provide written evidence to the Agency that the request for dispatch of apprentices to the training agencies has been completed using the DAS 142 form.
Contributions to a training fund, or the California Apprenticeship Council, for every worker on the job, are required.
The Contractor and all subcontractors shall submit to the Agency copies of the “Public Works Contract Award Information” forms (DAS form 140) and all requests for dispatch of apprentices on the DAS 142 form. These DAS forms are available from the California Department of Industrial Relations’ (DIR) Division of Apprenticeship Standards website link at:
http://www.dir.ca.gov/DAS/das.html
The Contractor is not required to use apprentices on projects under thirty thousand Dollars ($30,000).
5-3.3 Payroll Records.
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Add the following paragraph to this subsection:
In accordance with the requirements of the California Prevailing Wage Laws, Contractor and each Subcontractor shall keep an accu rate payroll record, showing the name, address, social security number, work classification, straight time, and overtime hours worked each day and week, and the actual per diem wages paid to each journeyman, a pprentice, worker, or other employee employed by him or her in connection with the work. The payroll records shall be certified and submitted to the DIR electronically in accordance with the California Prevailing Wage Laws. Contractor shall be subject to, and fully comply with, all California Prevailing Wage Laws, including, but not limited to, those pertaining to the maintenance and inspection of certified payro ll records. Copies of the record of wages paid shall be certified by the Contractor and submitted to the DIR with each progress payment request. In the event of noncompliance with the requirements of this section for payroll records, and upon the request of the DIR, contractor penalties shall be withheld from Contract payments.
5-4 INSURANCE.
5-4.1 General.
Delete this subsection in its entirety and replace with the following:
The Contractor shall procure and maintain for the duration of the Contract, and for 2 years thereafter insurance against claims for injuries to persons or damages to property which may arise from or in connection with the performance of the work hereunder by the Contractor, his agents, representatives, employees, or subcontractors.
Without limiting the Contractor's indemnification, it is agreed that the Contractor shall maintain in force at all times the following policy, or policies, of insurance covering its operations:
(a) Commercial General Liability (CGL) -- Insurance Work Office Form CG 00 01 covering CGL on an “occurrence” basis, including products, completed operations, property damage, bodily injury, and personal & advertising injury with limits no less than $2,000,000 per occurrence. If a general aggregate limit applies, either the general aggregate limit shall apply separately to this Project/location or the general aggregate limit shall be twice the required occurrence limit.
(b) Automobile Liability -- Insurance Work Office Form Number CA 0001 covering Code 1 (any auto), with limits no less than $2,000,000 per accident for bodily injury and property damage. Any and all mobile equipment, including cranes, which are not covered under Automobile Liability, shall have said coverage provided for under Comprehensive General Liability policy.
(c) Contractors Pollution Legal Liability (for projects involving the public sewer system), appropriate to cover such activities as cleanup, removal, storage, or otherwise handling of hazardous or toxic chemicals, materials, substances, or any other pollutants; in an amount sufficient to cover potential losses from an incident, with limits no less than $1,000,000 per occurrence or claim, and $2,000,000 policy aggregate.
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(d) Transporters Pollution Liability (for projects involving the pu blic sewer system), to cover transportation of hazardous or toxic chemicals, materials, substances or any other pollutants, the Contractor shall provide an amount sufficien t to cover potential losses from an incident, but not less than $1,000,000 per occurrence or claim, and $2,000,000 policy aggregate.
(d) Builder’s Risk (Course of Construction) (for projects that include buildings), utilizing an “All Risk” (Special Perils) coverage form, with limits equal to the completed value of the Project and no coinsurance penalty provisions.
(e) Professional Liability (for design/build projects) with limits no less than $1,000,000 per occurrence or claim, and $2,000,000 policy aggregate. For pr ojects involving storm water pollution prevention which require the Contractor to hire a QSD or QSP), the QSD and QSP shall carry in an amount not less than $1,000,000 per occurrence or claim, and $2,000,000 policy aggregate.
If the contractor maintains higher limits than the minimums shown above, the City requires and shall be entitled to coverage for the higher limits maintained by the contractor. Any available insurance proceeds in excess of the specified minimum limits of insurance and coverage shall be available to the City.
Any deductibles or self-insured retentions must be declared to and approved by the City. At the option of the City, either: the contractor shall cause the insurer shall reduce or eliminate such deductibles or self-insured retentions as respects the City, its officers, officials, employees, and volunteers; or the Contractor shall provide a financial guarantee satisfactory to the City guaranteeing payment of losses and related investigations, claim administration, and defense expenses.
Certificates of insurance and a complete copy of the insurance policies evidencing the coverages required by the clauses set forth above shall be filed with the Agency prior to the effective date of this Agreement. This is a condition precedent to the formation of any obligation by the Agency to compensate the Contractor under this Agreement.
The insurance policies are to contain, or be endorsed to contain, the following provisions:
1. The City, its officers, officials, employees, and volunteers are to be covered as additional insureds on the CGL policy with respect to liability arising out of with respect to liability arising out of work or operations performed by or on behalf of the Contractor including materials, parts, or equipment furnished in connection with such work or operations and automobiles owned, leased, hired, or borrowed by or on behalf of the Contractor. General liability coverage can be provided in the form of an endorsement to the Contractor’s insurance (at least as broad as ISO Form CG 20 10, CG 11 85 or both CG 20 10 and CG 20 37 forms if later revisions used), unless otherwise approved in advance by City.
2. For any claims related to this Project, the Contractor’s insurance coverage shall be primary insurance as respects the City, its officers, officials, employees, and volunteers. Any insurance or self-insurance maintained by the City, its officers, officials, employees, or volunteers shall be excess of the Contractor’s insurance and shall not contribute with it.
3. Each insurance policy required by this clause shall provide that coverage shall not be canceled, except with notice to the City.
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Contractor may submit evidence of Builder’s Risk insurance in the form of Course of Construction coverage. Such coverage shall name the City as a loss payee as their interest may appear. If the Project does not involve new or major reconstruction, at the option of the City, an Installation Floater may be acceptable. For such Projects, a Property Installation Floater shall be obtained that provides for the improvement, remodel, modification, alteration, conversion or adjustment to existing buildings, structures, processes, machinery and equipment. The Property Installation Floater shall provide property damage coverage for any building, structure, machinery or equipment damaged, impaired, broken, or destroyed during the performance of the Work, including during transit, installation, and testing at the City’s site.
If any coverage required is written on a claims-made coverage form:
1. The retroactive date must be shown, and this da te must be before the execution date of the Contract or the beginning of Contract work.
2. Insurance must be maintained and evidence of insurance must be provided for at least five (5) years after completion of Contract work.
3. If coverage is canceled or non-renewed, and not replaced with another claims-made policy form with a retroactive date prior to the Contract effective date, or start of work date, the Contractor must purchase extended report ing period coverage for a mini mum of five (5) years after completion of Contract work.
4. A copy of the claims reporting requirements must be submitted to the City for review.
5. If the services involve lead-based paint or asbestos identification/remediation, the Contractors Pollution Liability policy shall not contain lead-based paint or asbestos exclusions. If the services involve mold identification/remediation, the Contractors Pollution Liability policy shall not contain a mold exclusion, and the definition of Pollution shall include microbial matter, including mold.
Insurance is to be placed with insurers with a current A.M. Best rating of no less than A: VII, unless otherwise approved by the City.
Contractor hereby agrees to waive rights of subrogation which any insurer of Contractor may acquire f r o m C o n t r a c t o r b y v i r t u e o f t h e p a y m e n t o f a n y l o s s . C o n t r a c t o r a g r e e s t o o b t a i n a n y endorsement that may be necessary to affect this waiver of subrogation. The Workers’ Compensation policy shall be endorsed with a waiver of subrogation in favor of the City for all work performed by the Contractor, its employees, agents and subcontractors.
Contractor shall furnish the City with original certificates and amendatory endorsements, or copies of the applicable insurance language, effecting coverage required by this Contract. All certificates and endorsements are to be received and approved by the City before work commences. However, failure to obtain the required documents prior to the work beginning shall not waive the Contractor’s obligation to provide them. The City reserves the right to require complete, certified copies of all required insurance policies, including endorsements, required by these specifications, at any time.
Contractor shall require and verify that all subcontractors maintain insurance meeting all the requirements stated herein, and Contractor shall ensure that City is an additional insured on insurance required from subcontractors. For CGL coverage, subcontractors shall provide coverage with a format least as broad as CG 20 38 04 13.
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Contractor agrees to assist in every manner possible in the reporting and investigation of any accident and, upon request, to cooperate with all interested insurance carriers in the handling of any claim by securing and giving evid ence and obtaining the attendance of witnesses as required for the resolution of any claim or lawsuit.
Nothing contained in these insurance requirements is to be construed as limiting the type, quality or quantity of insurance that the Contractor should maintain, or the extent of the Contractor's responsibility or liability for payment of damages resulting for th e Contractor's operations under the contract. The carrying of the insurance specified herein shall not be construed to be a limitation of liability on the part of the Contractor or as a matter of law.
5.4.2 General Liability Insurance
Delete this subsection in its entirety
5.4.4 Auto Liability Insurance
Delete this subsection in its entirety
5-4.5 Failure to Procure Insurance.
Add the following new subsection:
5-4.5 Failure to Procure Insurance. Contractor’s failure to procure or maintain required insurance program shall constitute a material breach of Contract under which the Agency may immediately terminate the Contract or, at its discretion, procure or renew such insurance to protect the Agency’s interests and pay any and all premiums in connection herewith, and recover all monies so paid from Contractor, or deduct all monies so paid from payments due Contractor.
5-6 PATENT FEES OR ROYALTIES.
Delete the subsection in its entirety and replace with the following:
The Contractor shall absorb in its Bid all costs arising from the use of patented materials, equipment, devices, or processes used in or incorporated in the Work and agrees to indemnify and hold harmless the Agency and its duly authorized representatives, from all suits of law, or actions of every nature for or on account of the use of any patented materials, equipment, devices or processes.
5-7 SAFETY.
5-7.1 Work Site Safety.
5-7.1.3 Safety for Night Work.
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Add the following new subsection:
5-7.1.3 Safety for Night Work. The delineation of the Work that will need to be performed at night during certain phases of the Project shall be indicated on the Traffic Control Plans. The Contractor shall conduct all work in a safe manner, but shall provide additional safety measures at night to ensure the safety of the public, the work force, Agency and utility staff, and anyone else who passes through or works in the Project area. All light fixtures shall be mounted and direct ed in a manner precluding glare to approaching traffic.
The Contractor shall submit a detailed written night work plan, which includes night-related traffic control equipment and materials, site safety rules, and safety training materials.
Payment for performing all work necessary to pr ovide safety measures for night work shall be included in the bid items for which night work is required.
5-7.2 Safety Orders.
5-7.2.1 General.
Add the following paragraphs to this subsection:
In accordance with generally accepted construction practices, the Contractor shall be solely and completely responsible for conditions of the job site, including safety of all persons and property during performance of the Work, and the Contractor shall fully comply with all OSHA, State and Federal laws, rules, regulations and orders relating to safety of the public and workers.
Whenever, in the opinion of the Engineer, an emergency exists against which the Contractor has not taken sufficient precaution for the public safety, protection of utilities and protection of adjacent structures or property which may be damaged by the Contractor’s operations, and when in the opinion of the Engineer, immediate action shall be considered necessary in order to protect the public or property adjacent to the Contractor’s operations under this contract, the Engineer will order the Contractor to provide a remedy for the unsafe condition. If the Contractor fails to act on the situation, the Engineer may provide suitable protection to said interests by causing such work to be done and material to be furnished as may be necessary.
The cost and expense of said labor and material, together with the cost and expense of such repairs as are deemed necessary, shall be borne by the Contractor. All expenses by the Agency for emergency repairs will be deducted from the progress payments and the final payments due to the C o n t r a c t o r . H o w e v e r , i f t h e A g e n c y d o e s n o t t a k e s u c h r e m e d i a l m e a s u r e s , t h e C o n t r a c t o r i s n o t relieved of the full responsibility for public safety.
The acceptance by the Agency of a copy of the State of California Department of Industrial Relations Division of Occupational Safety & Health (CalOSHA) permit to perform excavation or trench w o r k s h a l l i n n o w a y b e c o n s t r u e d t o i m p o s e t o r t l i a b i l i t y o n t h e A g e n c y o r a n y o f i t s o f f i c e r s o r employees by reason of any damage to person, including death or property damage resulting from or arising out of the use of such plan, and the Contractor shall be fully responsible for any such damage 08/26/2025
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and shall indemnify and hold harmless the Agency, its officers and employees from any loss or liability resulting from the use of such plan.
5-7.8 Steel Plate Covers.
5-7.8.1 General.
Add the following paragraphs to this subsection:
The surface of all structural steel plate covers used by the Contractor to bridge any excavation in the public right-of-way shall have a non-skid coating (“Skid Guard” or equal) with a minimum coefficient of friction = 0.35 per California Test Method 342 for all traffic steel plate covers within the traveled roadway of streets and alleys, and a minimum coefficient of friction of 0.50 per ASTM C 1028 for those steel plate covers in pedestrian crosswalks or accessi ble areas. The non-skid coating shall be black.
When required by the Engineer, the Contractor shall certify in writing to the Agency that the steel plate covers to be used in the Work meet the required static coefficient of friction. Also, when required by the Engineer, the Contractor shall have the steel plate covers to be used in the Work tested in accordance with the above standards for the verification of the required static coefficient of friction.
Testing shall be done by an independent laboratory approved by the Engineer. The Contractor shall pay for any costs associated with the testing of the steel plate covers.
5-8 RESPONSIBILITY FOR DAMAGE.
Add the following new subsection:
5-8 RESPONSIBILITY FOR DAMAGE. In addition to the provisions of Subsection 5-4 (“INSURANCE of the Standard Specifications as between the Agency and the Contractor, the Contractor shall take and assume all responsibility for the Work as stated herein and/or shown on the Plans.
The Contractor shall bear all losses and damages di rectly or indirectly resulting to him, to the Agency, the Engineer, their officers, employees, and agents, or to others on account of the performance or character of the work, unforeseen difficulties, accidents or any other causes whatsoever.
The Contractor shall assume the defense of an d indemnify and save harmless the Agency, the Engineer, their officers, employees, and agents respectively from all claims, loss, damage, injury and liability of every kind, nature, and description, directly or indirectly arising from the performance of the Contract or work, regardless of responsibility for negligence; and from any and all claims, loss, damage, injury, and liability, howsoever the same may be caused, resulting directly or indirectly from the nature of the work covered by the Contract, regardless of responsibility for negligence.
The Agency does not, and shall not; waive any rights against the Contractor which it may have be reason of the aforesaid hold harmless agreements, because of the acceptance by the Agency or deposit with the Agency by Contractor, of any insurance policies required herein or as described in Subsection 5-4. The aforesaid hold harmless agreement by Contractor shall apply to all damages and claims for damages of every kind suffered, or allege d to have been suffered by reason of any of the 08/26/2025
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aforesaid operations of Contractor, or any Subcontractor, regardless of whether or not such insurance policies are determined to be applicable to any of such damages or claims for damages.
No act by the Agency, Engineer or their representatives in processing or accepting any plans, in releasing any bond, in inspecting or accepting any work, or of any other nature, shall in any respect relieve the Contractor or anyone else, from any lega l responsibility, obligation or liability he might otherwise have.
5-9 INDEMNIFICATION.
Add the following new subsection:
5-9 INDEMNIFICATION. Contractor shall defend (with counsel of Agency’s choosing), indemnify and hold the Agency, its officials, officers, agents, employees, and representatives free and harmless from any and all claims, demands, causes of action , costs, expenses, liabilities, losses, damages or injuries, in law or equity, regardless of whether the allegations are false, fraudulent, or groundless, to property or persons, including wrongful death, to th e extent arising out of or incident to any acts, omissions or willful misconduct of Contractor, its officials, officers, employees, agents, consultants and contractors arising out of or in connection with the performance of the Work or this Contract, including claims made by Subcontractors for nonpayment, including without limitation the payment of all consequential damages and other related cost s and expenses. Contractor shall defend, at Contractor’s own cost, expense and risk, with counsel of Agency’s choosing, any and all such aforesaid suits, actions or other legal proceedings of every kind that may be brought or instituted against Agency, its officials, officers, agents, employees and representa tives. To the extent of its liability, Contractor shall pay and satisfy any judgment, award or decree that may be rendered against Agency, its officials, officers, employees, agents, employees and representatives, in any such suit, action or other legal proceeding. Contractor shall reimburse Agency, its officials, officers, agents, employees and representatives for any and all costs incurred by each of them in connection therewith or in enforcing the indemnity herein provided. The only limitations on this provision shall be those imposed by Civil Code Section 2782.
5-10 EMERGENCY PHONE NUMBERS.
Add the following new subsection:
5-10 EMERGENCY PHONE NUMBERS. The Contractor shall provide the Engineer an emergency contact name and telephone number prior to the start of the Work that may be used to contact the Contractor in the event of an emergency for the duration of the Contract. Contractor shall also keep a list of emergency telephone numbers on the job site. In the case that more than ten (10) employees are on the job site at any time, said list shall be posted on a bulletin board, to be supplied and installed on the job site by the Contractor in a location visible and accessible to all employees.
The following emergency telephone numbers are listed for the convenience of the Contractor to assist in complying with these requirements:
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AGENCY PHONE NUMBER
City of Vista Fire Department (North County Dispatch) 858-756-3006 City of Vista Fire Department (Emergency) 911
San Diego County Sheriff’s Office (Emergency) 911
Tri-City Medical Center, 4002 Vista Way, Oceanside, CA 92056 911 San Diego Gas and Electric (Gas Emergency) 800-611-7343 San Diego Gas and Electric (Electrical Emergency) 800-411-7343
5-11 DOCUMENT RETENTION & EXAMINATION.
Add the following new subsection:
5-11 DOCUMENT RETENTION & EXAMINATION. In accordance with Government Code Section 8546.7, records of both the Agency and the Contractor shall be subject to examination and audit by the State Auditor General for a period of three (3) years after final payment. Contractor shall make available to the Agency any of the Contractor’s other documents related to the Project immediately upon request of the Agency.
In addition to the State Auditor rights above, the Agency shall have the right to examine and audit all books, estimates, records, contracts, documents, bid documents, subcontracts, and other data of the Contractor (including computations and projections) related to negotiating, pricing, or performing the modification in order to evaluate the accuracy and completeness of the cost or pricing data at no additional cost to the Agency, for a period of four (4) years after final payment.
5-12 STATE LICENSE BOARD NOTICE.
Add the following new subsection:
5-12 STATE LICENSE BOARD NOTICE. Contractors are required by law to be licensed and regulated by the Contractors’ State License Board which has jurisdiction to investigate complaints against contractors if a complaint regarding a patent act or om ission is filed within four (4) years of the date of the alleged violation. A complaint regarding a latent act or omission pertaining to structural defects must be filed within ten (10) years of the date of the alleged violation. Any questions concerning a contractor may be referred to the Registrar, Contractors’ State License Board, P.O. Box 26000, Sacramento, California 95826.
5-13 PROJECT SPECIFIC REQUIREMENTS.
5-13.1 General.
Add the following new subsection:
SECTION 6 – PROSECUTION AND PROGRESS OF THE WORK
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6-1 CONSTRUCTION SCHEDULE AND COMMENCEMENT OF WORK.
6-1.1 Construction Schedule.
Delete this subsection in its entirety and replace with the following:
6-1.1 Construction Schedule. Within ten (10) Working Days after execution of the Contract or at the Pre-Construction Meeting, and prior to the commencement of work, the Contractor shall submit its proposed construction schedule to the Engineer us ing a scheduling program (e.g. Microsoft Project, Oracle’s Primavera or other approved equal program capable of producing the required information).
The construction schedule shall be in the form of a tabulation, bar or Gantt chart, or graph satisfactory to the Engineer, and in sufficient detail to show chronological relationship of all activities on the Project. Said activities include, but are not limited to, estimated start and finish dates of all tasks that make up each bid item, submittal of shop drawings to the Engineer for approval, procurement of materials, and scheduling of equipment. Along with the construction schedule, the Contractor shall submit a cash-flow projection showing the anticipated amount of each monthly payment that will become due the Contractor in accordance with the construction schedule.
The Contractor shall schedule and stage the Work on all streets to cause the least possible inconvenience to vehicular traffic (including busses and trash vehicles), bicyclists, pedestrians, adjacent businesses, local residences and schools. See Appendix for schedules and routes of outside agencies to coordinate work.
The Contract time listed in the Specifications is the Agency’s best estimate of how long it will take to complete the Work. The construction schedule shall reflect all Contract requirements, shall recognize the requirements of Subsection 402-5 (“DELAYS DUE TO UTILITY CONFLICTS.”) , and shall reflect completion of all work under the contract, including Punchlist items, in the specified time and in accordance with the Project Specifications and Pl ans. No schedule shall call for completion of the Project before or after the Contract completion date. The Project owns the float time and is not for the exclusive benefit of any Party. As such, liability for delay of the project completion date rests with the party actually causing the delay to the project completion date. By way of the Contractor assigning activity durations and proposing the sequence of the work, the Contractor hereby agrees to utilize sufficient and necessary management and other reso urces to perform the work in accordance with the construction schedule.
A Notice to Proceed shall be issued after the Pre-Construction Meeting, provided the Storm Water Pollution Prevention Plan (SWPPP) and the Construction Staging / Traffic Control Plan have been submitted by the Contractor and accepted by the Engineer, and all other appropriate Contract requirements are fulfilled. The Work shall start within ten (10) Working Days thereafter, and shall be diligently prosecuted to completion within the time provided in the Project Specifications.
For projects of forty-five (45) Working Days or more, the Contractor shall submit to the Engineer an updated construction schedule each month, showing the actual progress of the Work, as part of the Partial Payment request. Monthly progress payments are conditioned upon the Engineer receiving from the Contractor the monthly schedule update. Schedule updates must accurately reflect the “as- built” schedule. All changes to th e schedule shall be highlighted or otherwise identified. Approved Change Orders shall also be incorporated in the up dated schedule. It is hi ghly recommended that a 08/26/2025
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narrative be included with each update. The na rrative should include a description of any logic changes made to the Project, a commentary as to gains and losses to crit ical and near critical activities, and a quantification of the gains and losses to the critical path. Failure to provide an updated construction schedule may result in withholding Contract payments until one is submitted.
If the Contractor desires to make a major change in the method of operations after commencing construction, or if the schedule fails to reflect the actual progress of the Work for any reason, the Contractor shall submit to the Engineer a revised construction schedule in advance of beginning revised operations. In the event that an action either by the Agency or the Contractor results in a delay to the schedule, it is beneficial if the parameters pertaining to that action are recorded as they happen.
6-1.3 Pre-Construction Meeting.
Add the following new subsection:
6-1.3 Pre-Construction Meeting. A Pre-Construction Meeting shall be scheduled after the award and prior to construction. The Contractor (Principal and Project Superintendent) and any subcontractor for five percent (5%) or more of the work shall attend and be prepared to provide or discuss the following information:
a) Construction schedule
b) Subcontractors
c) City of Vista Stormwater Permit and Storm Wa ter Pollution Prevention Plan (SWPPP), if required d) Traffic Control Plans
e) Survey requirements
f) Materials and delivery schedule
g) Local phone numbers for supervisory personnel
h) List of Emergency phone numbers (see Subsection 7-17 of these Specifications) i) Required permits
j) Coordination with other agencies
The Construction Schedule to be provided shall be as described in Subsection 6-1.1 (“Construction Schedule.”) of these Supplementary General Provisions.
6-2 PROSECUTION OF THE WORK.
Add the following paragraph after the first paragraph in this subsection:
Contractor shall, at contractor’s sole cost and expense, be solely and completely responsible for all matters affecting the prosecution, progress and completion of the work (both on and off the job site), and for observing all laws and providing for public convenience and safety, safety of workers (including its workers and those of its subcontractors, suppliers and others contributing to the work) and others, protection of property and rights of others, including location, maintenance and replacement of utilities whether shown on the plans or not, prior notification to utility owners, drainage from storm runoff, and all easements right-of-way and encroachment permits. Nothing in the Agreement, the specifications, or other Contract Documents or AGENCY’s or VID’s approval of the plans and specifications, or inspection of the work is intended to include a review, inspection, acknowledgement of or responsibility for any such 08/26/2025
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matters and AGENCY or VID, AGENCY’s engineer or VID’s engineer, and their consultants, and each of their directors, officers, employees and agents, shall have absolutely no responsibility or liability therefore.
6-3 TIME OF COMPLETION.
6-3.1 General.
Replace this subsection with the following:
6-3.1 General. The Contractor shall complete all portions of the Work, including Punchlist items, in accordance with the terms and conditions of the Contract Documents, within the number of days stated in the Notice Inviting Bids from the date of the Notice to Proceed. Construction on the Project shall begin within ten (10) Working Days of the No tice to Proceed and progress in good faith towards completion without unnecessary delay. The Contractor must work diligently to complete all Punchlist items within twenty (20) Working Days after the Engineer provides the Punchlist.
The Landscape and Irrigation Maintenance and Plant Establishment period will start after all construction work is completed AND all Punchlist items and deficiencies are corrected. The Maintenance and Plant Establishment period will take place after the Contract time is completed.
During the course of construction of the Work, the Agency may require the Contractor to complete portions or phases of the Project, including backfill, compaction, testing, paving and site cleanup, before the Contractor will be allowed to proceed with other portions or phases of the Project. The specific requirements and limits, if necessary for this Contract, are either specified in the Special Provisions, shown on the construction drawings, or shall be determined by the Engineer.
6-3.3 Working Days / Hours.
Add the following new subsection:
6-3.3 Working Days / Hours. Unless otherwise specified, the Co ntractor’s activities shall be confined to normal working hours between 7:00AM and 5:00PM, Monday through Friday. Lane closures will be confined to the hours between 8:30AM and 3:30PM, Monday through Friday.
No work shall be done on Saturdays, Sundays, or holidays without authorization by the Engineer.
Deviation from these non-Working Days will not be permitted without the prior consent of the Engineer except in emergencies involving immediate hazard to persons or property.
Deviation from these working days and hours will not be permitted without the prior consent of the Engineer except in emergencies involving immediate hazard to persons or property. In the event of either a requested or emergency deviation during non-Working Days / Hours, overtime inspection fees will be charged against the Contractor. The overtime inspection fees will be calculated at overtime rates and will be deducted from any amounts due the Contractor.
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6-4 DELAYS AND EXTENSIONS OF TIME.
6-4.2 Extensions of Time.
Add the following paragraph to this subsection:
Delays to the project caused by labor disputes or strikes involving trades not directly related to the project, or involving trades not affecting the project as a whole shall not warrant an extension of time.
Daily charges for time extensions or delays from other causes shall be limited to negotiated amounts, or if no amounts are agreed upon, shall not exceed those charges documented to Agency’s satisfaction for additional labor and material costs associated with the delay, and an amount not exceeding 10% thereof for overhead and profit.
6-4.4 Written Notice and Report.
Replace the paragraph in this subsection with the following:
6-4.4 Written Notice and Report. If the Contractor desires payment for a delay as specified in Subsection 6-4.3 (“Payment for Delays.”), or an extension of time, it shall file with the Agency a written request and report of cause within ten (10) Working Days after the beginning of the event or occurrence giving rise to the delay. The written notice shall include a statement or estimate of the time extension or compensation being requested, documents supporting the request, including but not limited to evidence of all facts supporting th e alleged claim and a current schedule showing the impact of the event or occurrence on the critical path. The request for payment or extension must be made at least fifteen (15) Working Days before the specified completion date. Failure by the Contractor to file these items within the times speci fied will be considered grounds for refusal by the Agency to consider such request.
By submitting a request for compensation or time extension, the Contractor agrees to make all books and records, including original bid estimates, subcontracts, daily reports, and correspondence, available to the Agency for review. The Contractor also agrees to include this requirement in all subcontracts.
6-6 SUSPENSION OF THE WORK.
6-6.1 General.
Replace this subsection with the following:
6-6.1 General. The Engineer shall have the authority to suspend the Work, wholly or in part, for such period as the Engineer may deem necessary, due to unsuitable weather or to such other conditions (including an act of God or Force Majeure) as are considered unfavorable for the suitable prosecution of the Work, or for such time as the Engineer may deem necessary due to the failure on the part of the Contractor to carry out orders given or to perform any provisions of the Work. The Contractor shall immediately comply with the written order of the Engineer to suspend the Work wholly or in part and shall not resume the Work until ordered to do so in writing by the Engineer. Such suspension shall be without liability to the Contractor on the part of the City except as otherwise specified in Subsection 6-4.3 (“Payment for Delays.”).
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In the event a suspension of work is ordered because of failure on the part of the Contractor to carry out orders given or to perform any provisions of the Work, such suspension of work shall not relieve the Contractor of his responsibility to complete the Work within the time limit set forth herein and shall not be considered cause for extension of the time for completion and, further, such suspension of work shall not entitle the Contractor to any additional compensation.
If the work is suspended or otherwise not continuously prosecuted for any cause whatsoever, within or without the time for completion, the Contractor shall, at his sole cost and expense, remove and replace all or any portion of the work already completed and inspected which Agency, at its sole discretion, could have been damaged during the suspension of work.
6-9 LIQUIDATED DAMAGES.
Replace this subsection with the following:
6-9 LIQUIDATED DAMAGES. Failure of the Contractor to complete the Work within the time allowed will result in damages being sustained by the Agency. For each consecutive working day in excess of the time specified for completion of Work, as adjusted in accordance with Subsection 6-4 (“DELAYS AND EXTENSIONS OF TIME.”), the Contractor shall pay to the Agency, or have withheld from monies due the Contractor, the sum of five hundred dollars ($500.00)
Execution of the Contract shall constitute agreement by the Agency and Contractor that the sum of five hundred dollars ($500.00) per working day is the value of the costs and actual damage caused by the failure of the Contractor to complete the Work within the allotted time. Such sum is liquidated damages and shall not be construed as a penalty, and may be deducted from payments due the Contractor if such delay occurs.
SECTION 7 – MEASUREMENT AND PAYMENT
7-3 PAYMENT.
7-3.1 General.
Add the following paragraph to this subsection:
Except as may otherwise be provided in specific instances, nothing in the Contract shall be construed as vesting in the Contractor any pr operty, any material, article or structure existing at the time of the award of Contract within the area in which the Work is to be done or in any material, article or structure subsequently furnished for the Work by the Agency, or in any material, article, structure or Work furnished or performed by the Contractor after having been accounted for on an approved estimate supporting the Contractor's demand for payment as provided in Subsection 7-3 (“Payment.”) of the Greenbook. In the latter event any such material, article, structure or Work shall become the property of the Agency after being so accounted for.
7-3.2 Partial and Final Payment
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Replace the fifth paragraph of this subsection with the following:
Pursuant to Section 22300 of the California Public Contract Code, the Contractor may substitute securities for any money held by the Agency to ensure performance of the Contract. At the request and expense of the Contractor, securities equivalent to the amount withheld shall be deposited with the Agency, or with a state or federally chartered bank as an escrow agent, who shall return such securities to the Contractor upon satisfactory completion of the Contract. Deposit of securities with an escrow agent shall be subject to written Contract in accordance with the provisions of Section 22300 of the California Public Contract Code. For purposes of the escrow agreement, the Agency shall not certify that the Contract has been completed until at least forty five (45) calendar days after filing by the Agency of a Notice of Completion. Securities eligible for investment under this Section shall be limited to those listed in Section 16430 of the California Government Code, bank or savings and loan certificates of deposit, interest bearing demand deposit accounts, standby letters of credit, or any other security mutually agreed upon by the Contractor and the Agency.
Add the following paragraphs to this subsection:
Requests for partial payments shall be submitted in a form satisfactory to the Agency. At a minimum, the form shall include all bid items, it emized breakdowns of lump sum bid items from the schedule of values (provided by Contractor), unit or lump sum prices bid, the quantities of each bid item for the current and past invoices, the dollar amount of each bid item, a total amount, and the name, address and phone number of the Contractor.
The Contractor shall meet with the Engineer to field measure quantities, and if an agreement is NOT reached, the disputed quantities shall be documented at that time. The Contractor shall not include in his invoice any quantities that have not been approved by the Engineer. The Engineer will not be required to pay for any disputed quantities of work until an agreement is reached with respect to the actual quantity in place. The Engineer may make payments for disputed quantities of work based on his own estimate, until such time that an agreement is reached.
The Agency will make partial payments in accordance with Section 20104.50 of the Public Contract Code, and these specifications. The Agency will pay progress payments within thirty (30) calendar days of receipt of an undisputed, complete and properly prepared payment request from the Contractor, or pay interest to the Contractor equivalent to the legal rate set forth in subdivision (a) of Section 685.010 of the Code of Civil Procedure.
Any payment request determined not to be a proper payment request suitable for payment shall be returned to the Contractor as soon as practicable, but not later than seven (7) calendar days, after receipt.
As part of the monthly request for partial payment, the Contractor shall submit:
1] A list of all subcontractors who worked on the project, along with their PWC Registration Number, so the Agency can ensure that all contractors and subcontractors are registered as required by Labor Code Section 1771.1;
2] Conditional and unconditional lien releases for the Contractor and all subcontractors; 3] An updated construction schedule (showing actual progress of the Work); 08/26/2025
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4] The Record Drawings (updated to indicate all ch anges made up to the end of the billing period). 5] Certified payroll records to the Labor Commissioner’s Office;
Monthly progress payments are conditioned upon the Agency having received from the Contractor the monthly schedule update and other specified documents.
Contractor shall provide to City, as a condition precedent to the payment of Contractor’s final retention, a complete list of all subcontractors who have worked on the Project, including their PWC Registration Numbers. This list must be provided at least 30 days prior to the payment of the final retention and shall be submitted under penalty of perjury.
The Agency is required by State Law to withhold final payment to the Contractor until at least 30 days after PWC-100 information has been submitted to the DIR, including the list of subcontractors who worked on the Project.
A prime contractor or subcontractor shall pay any subcontractor not later than ten (10) Working Days of receipt of each progress payment for satisfactory performance in accordance with the provision in Section 7108.5 of the California Business Code concerning prompt payment to subcontractors. The ten (10) Working Days is applicable unless a longer period is agreed to in writing.
Any delay or postponement of payment over thirty (30) calendar days may take place only for good cause and with the Agency’s prior written approval. Any violation of Section 7108.5 shall subject the violating contractor or subcontractor to the penalties, sanction, and other remedies of that section.
The Agency will hold retainage from the prime contractor and will make prompt and regular incremental acceptances of portions, as determined by the Agency of the Contract work, and pay retainage to the prime contractor based on these acceptances. The prime contractor, or subcontractor, shall return all monies withheld in retention from a subcontractor within seven (7) calendar days after receiving payment for work satisfactorily completed and accepted including incremental acceptances of portions of the Contract work by the Agency.
7-3.3 Delivered Materials.
Add the following paragraph to this subsection:
Progress payments may include payment for specialty materials that will remain permanent features of the Work, not incorporated in the Work, but delivered and suitably stored at the site or at another location, insured and bonded by the Contractor and agreed to, in writing, by the Engineer.
Payment for stored materials will be based on a cost breakdown, acceptable to the Engineer, indicating the value and installation costs of such materials, provided each individual item has a value of more than five-thousand dollars ($5,000). The Agency will pay a maximum of seventy-five percent (75%) of the value of the material, until such time as the material is permanently installed in the Work. The Contractor shall submit a bill of sale, invoice, or other documentation warranting that the Contractor has received the materials free and clear of liens, charges, security interests, and encumbrances, and evidence that the materials and equipment are covered by appropriate property insurance.
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7-3.4 Mobilization.
Delete this subsection in its entirety and replace with the following:
7-3.4 Mobilization and Demobilization. Mobilization and Demobilization shall consist of preparatory work and operations, including, but is not limited to those necessary for the move-on and move-off operations such as:
1] Supplying, maintaining, and finally removing temp orary facilities; including portable field office, sanitary facilities, electric power, water, telephone and other utilities, enclosures for storage of construction equipment, products / materials and incidentals;
2] Furnishing all insurance, bonds, licenses, materials, tools, equipment and incidentals involved in mobilization and preparatory work and operations, including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidental to the project; for all other facilities, sureties, work and operations which must be performed or costs incurred prior to beginning work or various contractor items on or off the project site;
3] Making arrangements for construction personnel vehicle parking;
4] Application and acquiring permits from ot her agencies as required for the Project;
5] For other items not directly related to the bid items.
Payment for Mobilization and Demobilization shall be paid by the lump sum price bid as shown on the BID SCHEDULE. If the Mobilization and Demobilization bid item states a maximum percentage of total base bid on the BID SCHEDULE, the Agency reserves the right to conform the bid item price to the maximum stated percentage. When the Agency has to conform the bid item price to the maximum stated percentage, such action does not constitute a reason for the Contractor to withdraw their bid.
If no separate item is shown in the bid for mobilization and demobilization, then the Contractor shall include all costs in the various items of work.
Placement of facilities and storage of construction equipment and materials shall be approved in advance by the Engineer. All such facilities and equipment shall remain the property of the Contractor.
The Contractor shall be held responsible for all damage caused during mobilization and demobilization. The Contractor shall leave all storag e areas in a neat clean condition, satisfactory to the Engineer and in accordance with the provisions of storage permits set by the property owner.
When a separate bid item is included in the BID SCHEDULE, payments for mobilization and demobilization will be made in accordance to the following schedule:
a] When the approved monthly partial payment es timate of the amount earned, not including the amount earned for mobilization and demobilization, is ten percent (10%) or more of the original Contract amount, twenty-five percent (25%) of the Contract item price for mobilization and demobilization will be included in the estimate for payment.
b] When the approved monthly partial payment estimate of the amount earned, not including the amount earned for mobilization and demobilization, is twenty- five percent (25%) or more of 08/26/2025
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the original Contract amount, the total amount earned for mobilization and demobilization shall be fifty percent (50%) of the Contract item price for mobilization and demobilization will be included in the estimate for payment.
c] When the approved monthly partial payment estimate of the amount earned, not including the amount earned for mobilization and demobilization, is fifty percent (50%) or more of the original Contract amount, the total amount earned for mobilization and demobilization shall be seventy-five percent (75%) of the Contract item price for mobilization and demobilization will be included in the estimate for payment.
d] When the approved monthly partial payment es timate of the amount earned, not including the amount earned for mobilization and demobilization, is seventy-five percent (75%) or more of the original Contract amount, the total amount earned for mobilization and demobilization shall be ninety-five percent (95%) of the Contract item price for mobilization and demobilization will be included in the estimate for payment.
e] After final acceptance of the Project, the remaining unpaid amount, of the Contract item price for mobilization will be included for payment in the final progress payment.
7-3.7 Agreed Prices.
Add the following to this subsection:
Agreed prices shall be negotiated before commencement of the Work.
7-4 PAYMENT FOR EXTRA WORK.
7-4.1 General.
Replace the first sentence in this subsection with the following:
When the cost and time for Extra Work cannot be agreed upon prior to the commencement of the Work, the Agency will pay for Extra Work based on the accumulation of costs as provided herein and grant additional time to the Contract duration. Extra Work shall be paid for under a written Change Order, approved by the Agency, in accordance with the terms therein provided. Generally, payment for Extra Work will be made at the unit price or lump sum previously agreed upon between the Contractor and the Agency.
7-4.2.3 Tools and Equipment Rental.
Replace the second paragraph in this subsection with the following:
Regardless of ownership, the rates to be used in determining equipment rental costs shall not exceed most current listed rates found in the Caltrans Labor Surcharge and Equipment Rental Rates, which is available online at:
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https://dot.ca.gov/programs/construction/equipment-rental-rates-and-labor-surcharge
Add the following paragraphs to this subsection:
Where the Contractor can substantiate that the rental rates prevailing locally exceed the published rate by more than fifteen percent (15%), the Contractor will be entitled to a rental rate adjustment.
For equipment not listed in said publication, rental rates must not exceed listed rates prevailing locally at equipment rental agencies or distributors, at the time the Work is performed.
Whenever possible, Extra work must be accomplished using equipment available on Site or owned by the Contractor. If a specific piece of equipment must be rented to be used exclusively for the Extra Work, the rental rate will be the invoiced rate.
7-4.3 Markup.
7-4.3.1 Work by Contractor.
Replace the paragraph in this subsection with the following:
7-4.3.1 Work by Contractor: The following allowable overhead and profit percentages shown in Table 7-4.3.1 below shall be added to the Contractor’s costs and shall constitute the markup for all overhead, insurance, and profits on work performed by the Contractor:
Table 7-4.3.1
COMPONENT OVERHEAD PROFIT
Labor 10% 10%
Materials 10% 5%
Equipment Rental 10% 5%
Other Items and Expenditures 10% 5%
Regardless of the number of hierarchical tiers of Subcontractors, the five percent (5%) which is the Contractor’s allowance 3.5% (for overhead) and 1.5% (for profit) may be applied one time only to the performing Subcontractor’s total cost.
One percent (1%) shall be added to the sum of the costs and markups provided for in the subsection as compensation for bonding.
7-4.3.2 Work by Subcontractor.
Replace the paragraph in this subsection with the following:
7-4.3.2 Work by Subcontractor: W h e n a l l o r a n y p a r t o f t h e E x t r a W o r k i s p e r f o r m e d b y a Subcontractor, the markup established in 7-4.3.1 shall be applied to the Subcontractor’s actual cost of such work. A markup of ten percent (10%) on the first Five-Thousand Dollars ($5,000) of the subcontracted portion of the Extra Work and a markup of five percent (5%) on work added in excess 08/26/2025
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of Five-Thousand dollars ($5,000) of the subcontracted portion of the Extra Work may be added by the Contractor.
The markups specified in Subsections 7-4.3.1 (“Work by Contractor. ”) and 7-4.3.2 (“Work by Subcontractor.”) shall be considered as full compensation and include, but not be limited to, the Contractor’s labor costs for personnel not working directly on the Extra Work, including the cost of administration and any tools or equipment that they may use. Such costs shall not be reported as labor or equipment costs elsewhere except when they are actually used in the performance of the Extra Work. Labor costs shall in that case be reported for the labor classification corresponding to the type and nature of Extra Work performed.
7-4.4 Daily Reports.
Add the following as the first sentence in this subsection:
The Contractor shall notify the Engineer at the beginning of each working day when Extra Work is in progress.
7-6 BID ITEMS.
Add the following new subsection:
7-6 BID ITEMS. Payment for the work included in each Bid Item shall be made at the actual quantity constructed, using the units listed in the BID SCHEDULE and the Unit Prices included in the BID. All other work shown or mentioned on the Plans, in the Specifications, or in any one of the Contract Documents shall be considered as included in the related Bid Items shown in the BID S C H E D U L E . T h e C o n t r a c t o r m u s t c o m p l e t e a l l w o r k t h a t i s s h o w n o r d e s c r i b e d i n t h e C o n t r a c t Documents, whether or not there is a specific Bid Item for that work, and no additional compensation will be allowed.
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SUPPLEMENTARY TECHNICAL PROVISIONS
MICHIGAN AVE PARKING LOT PROJECT (C.I.P. No. 8332)
This section makes additions, deletions, or revisi ons to PART 2 – CONSTRUCTION MATERIALS, PART 3 – CONSTRUCTION METHODS, PART 4 – EXISTING IMPROVEMENTS, PART 5 – PIPELINE SYSTEM REHABILITATION, PART 6 – TEMPORARY TRAFFIC CONTROL, PART 7 – STREET LIGHTING AND TRAFFIC SIGNAL SYSTEMS, AND PART 8 – LANDSCAPING AND IRRIGATION of the 2024 Standard Specifications for Public Works Construction (“Greenbook”). As a convenience, these additions and amendments have been arranged in a format that parallels the Greenbook. All sections and subsections which are not changed remain in full force and effect. Additional Special Provision sections and subsections may be included in these supplements which may be written in a format different from that of the Standard Specifications. These additional Special Provision sections and subsections are intended to complement the Standard Specifications.
PART 2 - CONSTRUCTION MATERIALS
SECTION 200 – ROCK MATERIALS
200-1 ROCK PRODUCTS.
200-1.1 General.
Add the following paragraph to this subsection:
In accordance with the provisions of Section 20676 of the State of California Public Contract Code, it shall be mandatory upon the Contractor to whom the Contract is awarded, and upon all subcontractors and suppliers under him, to obtain all construction aggregate, sand, gravel, crushed stone, road base, fill materials, and any other mineral materials, including those used in other construction materials such as asphalt concrete an d Portland Cement concrete, from a supplier that is included on the most current Office of Mine Reclamation AB 3098 List (per California Assembly Bill 3098). Failure to identify the supplier and the mine may result in rejection of the submittal, and any work completed using materials from an unlisted mine will be SUBJECT TO REJECTION.
200-2 UNTREATED BASE MATERIALS.
200-2.1 General.
Add the following paragraph to this subsection:
Aggregate base shall be Class 2 per Subsection 26-1.02B, “Class 2 Aggregate Base” of the Caltrans Standard Specifications, and asso ciated AGGREGATE GRADING REQUIREMENTS and QUALITY REQUIREMENTS tables or Crushed Aggregate Base per Subsection 200-2.2 (“ Crushed Aggregate Base. ”) and as shown in the gradation in TABLE 200-2.2.2 of Subsection 200-2.2.2 (“Grading.”) of the Greenbook.
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Aggregate may include up to one hundred percent (100%) material processed from reclaimed asphalt concrete, Portland Cement concrete, lean concrete base, cement treated base or a combination of any of these materials. It should be noted, this does not change the specification requirements for material or placement quality. It is still the Contractor’s responsibility to verify that any blend of reclaimed paving materials with or without virgin materials shall meet all the specification requirements.
SECTION 201 – CONCRETE, MORTAR, AND RELATED MATERIALS
201-1 PORTLAND CEMENT CONCRETE.
201-1.1 General.
Add the following paragraph to this subsection after the first paragraph:
Contractor shall furnish the Engineer a copy of the mix design to be used and with legible certified weight-master’s certificate for each load of PCC delivered to the Work. Portland Cement concrete delivered to the project site having a water content and/or slump greater than that specified in the mix design shall be rejected and removed from the Work site.
201-1.2.6.3 Accelera ting Admixtures
Modify this subsection to read as follows:
Calcium Chloride shall not be used as an admixture. Other accelerating admixtures shall conform to ASTM C 494, accelerating (Type C), or water-reducing and accelerating (Type E) admixtures, shall be approved by the Engineer prior to use.
201-1.3.3 Concrete Specified by Class and Alternate Class.
Modify the third paragraph of the subsection to read as follows:
The concrete class, alternate class, and maximum slump for various types of construction shall be as specified in Table 201-1.3.3 except for the concrete class specified for Street Surface Improvements. Street Surface Improvements shall have a concrete class of 560-C-3250.
201-1.5.4 Hand Mixing.
Replace the first sentence in this subsection with the following:
Hand mixing concrete shall not be allowed except by prior permission from the Engineer and, if p e r m i t t e d , o n l y w h e n t h e a m o u n t o f c o n c r e t e r e q u i r e d i s l e s s t h a n o n e c u b i c y a r d ( 1 y d . 3).
Prepackaged unmixed concrete shall not be allowed except by prior permission from the Engineer.
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201-2 REINFORCEM ENT FOR CONCRETE.
201-2.2 Steel Reinforcement.
201-2.2.1 Reinforcing Steel.
Replace the first sentence in this subsection with the following:
Unless otherwise specified, reinforcing steel, excep t longitudinal steel, shall be Grade 60 billet steel conforming to ASTM A615.
201-3 EXPANSION JOINT FI LLER AND JOINT SEALANTS.
201-3.1 General.
Replace the second paragraph of this subsection with the following:
All expansion joints shall be formed with joint filler and sealed with Type “A” two-part polyurethane sealant per Subsection 201-3.4 (“Type “A” Sealant (Two-Part Polyurethane Sealant”). The filler shall be placed in the correct position before concrete is placed against it. Holes or joints in the joint filler shall be filled with joint sealant to prevent the passage of mortar or concrete from one side of the joint to the other.
SECTION 202 - MASONRY MATERIALS
202-2 CONCRETE BLOCK.
202-2.3 Concrete Segmental Blocks.
Add the following new subsection:
202-2.3 Concrete Segmental Blocks. Segmental block retaining walls shall be Keystone “Compac II Units Tri Plane Face” style gravity blocks, with a split-faced surface, or approved equal. The color of the blocks shall be tan, and shall be selected from the standard colors provided by the manufacturer.
The Contractor shall provide a submittal for the blocks for approval by the Engineer.
For the Michigan Ave Parking Lot, the main retaining wall will utilize Allan Block long anchoring unit (LAU), facing unit 812 & 824 which are 8.0 x 12.75x 12 and 8.23.676 x 24 in dimension, respectively, see Appendix for information.
SECTION 203 – BITUMINOUS MATERIALS
203-5 RUBBERIZED EMULSION-A GGREGATE SLURRY (REAS).
203-5.1 General.
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Add the following paragraph to this subsection:
Type 1 slurry seal shall be used on residential streets and Type 2 slurry seal shall be used on residential collector streets.
203-6 ASPHALT CONCRETE.
203-6.1 General.
Add the following paragraphs to this subsection:
The grading of the combined aggregates and the percentages of asphalt binder shall be as follows:
Class and Grade
Three-quarter inch (3/4”) Base Course B-PG 64-10 RAP
One-half inch (1/2”) Surface Course C2-PG 64-10 RAP
One-half inch (1/2”) AC Dike D2-AR-8000 RAP
A minimum of five (5) Working Days prior to the paving operation, the Contractor shall submit to the Engineer the pavement supplier’s certification of gradation and oil content of the asphalt concrete to be used for this Contract.
SECTION 207 – GRAVITY PIPE
207-2 REINFORCED CONC RETE PIPE (RCP).
207-2.9 Basis for Acceptance.
207-2.9.1 General.
Delete this subsection in its entirety and replace with the following:
207-9.1 General. The basis for acceptance shall be by the D-load bearing strength test, compliance with these specifications, inspections of the pipe manufacture and inspection of the completed pipe.
209-7 PIPELINE IDENTIFICATION.
209-7.2 Requirements.
Add the following to this subsection:
Detectable Underground Utility Marking Tape shall have a minimum 0.005” overall thickness, with no less than a 35 gauge (AWG) aluminum foil core. The foil must be visible from both sides. The layers shall be laminated together with the extrusion lamination process, not adhesives. No inks or printing shall extend to the edges of the tape. All printing shall be encased to avoid ink rub-off. Detectable 08/26/2025
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Underground Utility Marking Tape shall conform to the properties listed in TABLES 209-7.2 (A) and 209-7.2 (B) below.
TABLE 209-7.2 (A)
DETECTABLE UNDERGROUND UTILITY MARKING TAPE PROPERTIES
PROPERTY METHOD VALUE
Thickness ASTM D2103 0.0056”
Tensile strength ASTM D882 25 lbs/inch (5,500 psi)
Elongation ASTM D882-88 <50% at break
Printability ASTM D2578 >50 dynes/cm2
Flexibility ASTM D671-81 Pliable hand
Inks Manufacturing specifications Heat-set Mylex
Message repeat Manufacturin g specifications Every 20”
Foil Manufacturing specifications Dead soft/annealed
Top layer Manufacturing specifications Virgin PET
Bottom layer Manufacturing specifications Virgin LDPE
Adhesives Manufacturing specifications >30%, solid 1.5#/R Bond strength Boiling H 2O at 100 degrees Celsius Fi ve (5) hours without peel Colors APWA Code See Table 209-7.2 (B) below
TABLE 209-7.2 (B)
DETECTABLE UNDERGROUND UTILITY MARKING TAPE COLORS
COLOR UTILITY MARKED
Red Electric power, distribution, transmission, and municipal electric systems.
Yellow Gas and oil distribution and transmission, dangerous materials, product and steam.
Orange Telephone and telegraph systems, po lice and fire communications, and cable television.
Blue Water systems.
Green Sanitary and storm se wer systems, nonpotable.
209-7.3 Material Approvals.
Add the following new subsection:
209-7.3 Material Approvals. Detectable Underground Utility Marking Tape shall meet the requirements of each of the following agency / association publications:
(1) Department of Transportation, Materials Transportation Bureau, Office of Pipeline Safety.
USAS code for pressure piping B31.8, paragraph 192.321(e).
(2) National Transportation Safety Board, Washington, DC, Special Study Prevention of Damage to Pipelines. Adopted June 7, 1974. Report NTSB-PSS-73-1.
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(3) American Petroleum Institute (API). Recommended practice for marking buried liquid petroleum pipelines - APR RP 1109.
(4) General Services Administration, Washington, DC, Public Buildings Service Guide Specification for Mechanical and Electrical Equipment - PBS 4-1501, Amendment 2, Page 501-14, Paragraph 18, Subparagraph 18.1, Clause 18.1.1.
(5) Rural Electrification Authority (REA), U.S. Depa rtment of Agriculture, Washington, DC, National Electrical Safety Code for Underground Construction for remote and immediate hazards.
SECTION 213 – ENGINEERING GEOSYNTHETICS
213-5 GEOTEXTILES AND GEOGRIDS.
Revise this subsection to read as follows:
213-5 GEOTEXTILES AND GEOGRIDS. Geosynthetic material used for reinforcing the subgrade or aggregate base, if necessary as determined by the Geotechnical Engineer, shall be Geogrid BX1100.
Add the following new Section:
SECTION 220 – MISCELLANEOUS
220-1 RESIDENTIAL MAILBOX.
220-1.1 General.
220-1.1 General. Mailboxes shall be of standard size (typically 8.75”H x 6.75”W x 19.0”D), made of solid aluminum, painted white by the manufacturer, and shall be approved by the United States Post Office. The mailbox shall be mounted on a pr essure treated post and platform as shown on the City of Vista Standard Drawing SRF-04 consisting of a four-inch by four-inch (4”x 4”) pressure treated post (primed and painted with white solid body satin), one and one-half inches (1-1/2”) thick redwood or pressure treated platform (6.75”W x 19”D), and four galvanized lag bolts.
Prior to purchasing the new mailboxes the CONTRACTOR shall submit shop drawings to the ENGINEER for approval showing the manufacturers catalog sheets and including all mounting and installation details.
PART 3 - CONSTRUCTION METHODS
SECTION 300 – EARTHWORK
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300-1 CLEARING AND GRUBBING.
300-1.1 General.
Add the following paragraphs to this subsection:
Clearing and Grubbing shall include the protection of all items to remain, sawcutting, cold milling AC pavement, demolition of existing improvemen ts, salvaging existing materials (topsoil) and improvements as specified or shown on the Plans, removal of deleterious materials, and proper disposal from the Project site of all existing surface and subsurface materials as required to construct the improvement as shown on the Plans and as described in the Specifications. Typical items to be removed include, but are not limited to, trash, fences, posts, poles, gates, street signs, AC dikes, AC paving, striping (by grinding) , decorative concrete, concrete driveway entrance, concrete sidewalk, concrete curb and gutter, concrete headwall stru ctures, retaining walls, landscape border logs, decorative walls, concrete pavers, reinforcing steel, rock, boulders and cobbles, trees, stumps and roots, shrubs, other vegetation or organic materials, soil, irrigation systems, spoils, debris, sewer pipe, storm drain pipe, storm drain inlets and grates, electrical conduits and pullboxes, wire, utility cabinets or boxes, drinking fountains, gu ardrails, delineators, pavement ma rkers, and all other objectionable materials which interfere with the Work whether or not specifically indicated on the Plans or otherwise shown to be protected or relocated. Abandone d utility lines and structures not removed with Engineer’s approval shall be filled with blown sand and conduits plugged. Concrete and bituminous pavement shall be removed to neatly sawed edges. Sawcuts shall be to a minimum depth of three inches (3”).
Clearing and grubbing shall also include the relocation, adjusting or salvaging of all facilities so indicated on the Plans which are not designated as separate bid items or which are not included in other bid items.
If there are decorative items on private lots, including decorative concrete pavers, decorative wall blocks, rocks used for landscape decoration, boulde rs, and custom signs, and the Contractor would prefer to salvage items for the property owners, th e items shall be removed carefully and placed at a location near the disturbed area on the private property, with the property owner’s approval.
The Contractor shall remove existing irrigation systems (including both water supply and water distribution lines, electrical supply, and electrical control elements of the system) that are within the Project limits and place these materials on the property owner’s property. Contractor shall cap ends of cut lines and wires, and mark locations with lath so that property owner can locate them later.
Miscellaneous fencing materials may be encountered during Work. The terminal post of each fence removed shall be reinforced by bracing or other appropriate means to maintain the structural integrity of the portion of fence to remain. Relocation and reconnection of existing fences as shown on the Plans shall include all posts, hardware, and all incidentals necessary to complete the Work.
Terminations for all fire hydrants, WARF type se rvices and associated pi ping to be removed and salvaged shall be in accordance with the Vista Irrigation District (VID) standards. The minimum requirements shall include removal of piping back to the mainline, closing the valve, and installation of a blind flange and thrust block.
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All existing water services shall be relocated or extended to behind curb or behind sidewalk if contiguous to curb. The Contractor shall inspect an d verify that the existing service, including the connection at the main, meets current Vista Irrigation District (VID) standards. Where existing services meet VID standards, extension of the service will be allowed at the price bid for water meter relocations.
All existing sewer or water facilities to be abandoned within the proposed Project limits shall be terminated at the mainline in accordance with district requirements. This shall include removal of the sewer and water service back to the main. The sewer lateral shall be capped with a fitting and sealed with concrete at the wye connection. The water service shall be terminated at the corporation stop and the stop closed.
During surface clearing operations, the Contractor shall not cover or bury any plant growth or other objectionable materials on public or private property . If the Contractor cannot successfully separate the plant growth from the surface soil and adve rtently or inadvertently mixes organic or other objectionable materials with the soil, the soil so contaminated shall be removed from the site by the Contractor. All costs, if any, associated with removing the soil mixed with organic or other objectionable materials and importing soil to replace said contaminated soil shall be borne by the Contractor and no additional payment shall be made to the Contractor.
During grading operations, the Contractor shall provide temporary graded driveways and continuing maintenance thereof to provide safe, smooth, stable and continuous access to all residences and businesses within the Project area. All costs, if any, associated with such grading operations shall be borne by the Contractor and no additional payment shall be made to the Contractor.
Unless otherwise noted on Plans, the Contractor sh all protect all existing sewer, water, electric, telephone, communication, television, fire lines, street lights, traffic signal, red light cameras, irrigation, and other utilities, services and systems, whether shown on the Plans or not. The Contractor shall maintain all services in working condition during the course of the Work. The Contractor shall remove all existing abandoned pipelines and conduits of any type or use, and pipelines and conduits of any type or use that are abandoned during the co urse of the Work and shall replace said pipelines and conduits with properly compacted soils. The Contractor shall immediately restore to full operation any utilities, services or systems that are disturbed during the course of the Work.
300-1.4 Payment.
Modify this subsection to read as follows:
300-1.4 Payment. The BID SCHEDULE DOES include a bid item for Clearing and Grubbing. Full compensation for any necessary Clearing and Grubbing required to perform the construction operations specified or shown on the Plans will be considered as included in the price bid for the related items of work, and no additional compensation will be allowed therefore. Payment for removal and disposal of abandoned utilities shall be included in the various items of work and no additional compensation will be allowed therefore.
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300-2 UNCLASSIFIED EXCAVATION.
300-2.1 General.
Modify this subsection to read as follows:
300-2.1 General. Unclassified excavation shall consist of all excavation, including roadway excavation, removal and stockpiling of suitable ma terial, mixing and moisture conditioning of dry material, mixing and drying of wet material by va rious methods, disposal of unsuitable materials (including cobbles, rocks and boulders), salvage and stockpile of existing topsoil for use on the Project, and all other required earthwork operations to bring all areas that are within the grading and excavation limits on both public and private property to the required subgrade elevations and cross sections as shown on the Plans and as required in the Project’s geotechnical investigation. Suitable excavated material may be used onsite to make all fills shown on the Plans. Unclassified excavation shall also include pumping and disposal of storm water and groundwater. Any tree roots or other deleterious material uncovered during excavation sh all be completely removed and cut back so that new improvements will not be affected by future root growth.
In the event weather conditions make drying by aeration or other processes impractical as determined by the engineer, he may suspend the Work. However, the Contractor shall continuously provide for traffic and access requirements during the suspension period in conformance with these Technical Provisions. The Work shall be suspended as provided for in Section 6 (“PROSECUTION, PROGRESS, AND ACCEPTANCE OF THE WORK.”) of the Standard Specifications except the suspension shall not be deemed to be suspension by the Agency for its own convenience or benefit.
Stockpiling of material and storage of equipment or supplies associated with excavation and/or soil aeration activities within existing or proposed wetland, willow woodland or riparian areas is strictly prohibited.
The excavation, placement, conditioning, and compaction of material shall be in accordance with the Plans, Specifications, the City of Vista Development Code (Chapter 17 Section 17.56), and the Geotechnical Report, prepared by Vinjie and Middleton Inc. The Geotechnical Report is available in the appendix (see list of Appendices in Table of Contents on Page 2). This is a limited report since samples were taken at the wall locations only.
300-2.2 Unsuitable Material.
300-2.2.1 General.
Modify this subsection to read as follows:
300-2.2.1 General. All excess material generated by the gr ading operations that is not suitable for backfill shall be excavated and disposed of by th e Contractor at a legal disposal site. The Agency makes no claim on the suitability or moisture content of the existing materials. Any suitable local borrow materials at the site that the Contractor wishes to re-use shall be stockpiled by the Contractor.
The location of stockpiles shall be approved by th e Engineer prior to placement of materials, and all stockpiles shall be protected by erosion control measures.
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All subgrade areas to receive fills or structures shall be inspected by the Geotechnical Engineer.
All alluvial and colluvial soils, loose or poorly compacted soils, or existing dry material must be reworked before the placement of base or concrete can proceed. Areas where soils are loose or poorly compacted shall be reworked by excavating, blending and recompacting the loose soils to the specified compaction. The existing loose soils to be reworked shall be removed by the Contractor until a firm unyielding surface is exposed or to a depth determined by the Engineer. Dry materials shall be scarified and moisture conditioned to achieve the specified compaction. With the approval of the Geotechnical Engineer, the Contractor may choose to stabilize poorly-compacted areas with geogrid at his own expense.
If the Contractor wishes to temporarily stockpile ma terial for disposal at a later date in any area other than the project area or construction staging area, the Contractor shall locate a suitable space which is outside the Public Right-of-Way and suitable to the Agency. The location of stockpiles shall be approved by the Engineer prior to placement of materials, and all stockpiles shall be protected by storm water pollution prevention and erosion contro l measures. The stockpiles shall be removed regularly from the Project site so as not to interfere with access to the Project.
If the excavated material is unsatisfactory as excavated for other uses in the Project, as determined by the Engineer, the Contractor shall re move and dispose of such excavated material off the site. The Contractor shall be responsible for obtaining a suitab le legal disposal site for any unsuitable excavated materials in accordance wi th the appropriate section in the Standard Specifications.
300-2.2.2 Wet Material.
Modify this subsection to read as follows:
300-2.2.2 Wet Material. If required excavated material is unsatisfactory for the specified use on the Project solely because the material has a moisture content of four percent (4%) or more above the optimum moisture content, the Contractor shall process the material to reduce the moisture content to an optimum condition, or remove the material an d replace it with suitable material. The material may be processed by blending the wet soil with soils having a lower moisture content and / or spreading the excavated material in a manner that enables the material to dry to optimum moisture content. With the approval of the Geotechnical Engineer, the Contractor may choose to stabilize unstable subgrade areas with geogrid at his own expense.
300-2.7 Selected Material.
Modify this subsection to read as follows:
300-2.7 Selected Material. Selected material encountered in excavation within the right-of-way shall be used as directed by the Engineer. Topsoil excavated within the limits of the Project may be considered as a selected material only for the purpose of backfilling areas to be planted.
300-2.8 Measurement.
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Add the following paragraph to this subsection:
The Plans and the Specifications show work to be done which requires earthwork, both cut and fill, to establish the lines and grades shown on th e Plans. The Agency has endeavored to establish reasonable accurate earthwork quantities of the work actually involved and these quantities represent the results of actual survey measurements an d data and calculated adjustments for changes proposed on the Plans, however, due to the appr oximate nature of such data and therefore the difficulty of making accurate measurements of earthwork quantities for this type of project, the estimated quantities for grading will be assumed to be the actual quantity. The Contractor shall review the site and make his own estimate of the Work required to complete the Project. No modifications shall be made to the quantity shown on the Plans and in the Specifications, unless additional quantities of grading are ordered by the Engineer.
300-2.9 Payment.
Modify this subsection to read as follows:
300-2.9 Payment. The BID SCHEDULE for this Project DOES NOT include a bid item for Unclassified Excavation. Full compensation for all necessary Un classified Excavation required to perform the construction operations specified or shown on the Plans will be considered as included in the price bid for the related items of work, and no additional compensation will be allowed therefore.
The excavation, stockpiling, and placement of topsoil and suitable local borrow material will be included in Unclassified Excavation. Removing such material from the stockpile and placing it in its final position is also included in Unclassified Exca vation. The Contractor may stockpile suitable local borrow material or import suitable borrow materi al; however, no separate payment will be made for excavating material from an optional stockpile or importing suitable borrow material and placing the material in its final position.
The removal and disposal of unsuitable materi al, and the over-excavating and reworking of material that can be made suitable, including groundwater removal by various drying procedures or other remedial geotechnical (soil) treatment shall be included in Unclassified Excavation and no additional compensation will be allowed.
The over-excavation and processing or removal and disposal of wet materials shall be included in Unclassified Excavation and no additional compensation will be allowed.
No separate payment will be made for excavating topsoil temporarily stockpiled and placing in its final location on the slope and other areas to be planted for erosion control planting or landscaping, whether or not required by the Contract Documents or by the Engineer.
300-3 STRUCTURE EXCAVATION AND BACKFILL.
300-3.1 General.
Add the following paragraphs to this subsection:
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In accordance with the provisions of Section 20676 of the State of California Public Contract Code, it shall be mandatory upon the Contractor to whom the Contract is awarded, and upon all subcontractors and suppliers under him, to obtain all construction aggregate, sand, gravel, crushed stone, road base, fill materials, and any other mineral materials used for Structure Backfill, from a supplier that is included on the most current Office of Mine Reclamation AB 3098 List (per California Assembly Bill 3098). Failure to identify the supp lier and the mine may result in rejection of the submittal, and any work completed using material s from an unlisted mine will be SUBJECT TO REJECTION.
The excavation, placement, conditioning, and compaction of material shall be in accordance with the Plans, Specifications, the City of Vista Development Code (Chapter 17 Section 17.56), and the Geotechnical Report, prepared by Vinjie and Middleton Inc. The Geotechnical Report is available in the appendix (see list of Appendices in Table of Contents on Page 2). This is a limited report since samples were taken at the wall locations only.
The Contractor shall excavate to the lines and gr ades required, whether or not specifically shown on the Plans. The Contractor shall provide and remove all shoring, sheeting, bracing, cribbing, pumping, lagging, piling, tiebacks, soil anchors, sh ields, temporary retaining structures, planking, or other types of support for the walls of all open ex cavations required. The Contractor shall excavate and maintain the bottom of all trenches and excavati ons in a condition that is level, firm, clean and free from all debris or foreign matter. Excavations shall be kept free from water at all times. The Contractor shall remove any unsuitable material encountered below grade as directed by the Engineer.
300-3.7 Payment.
Add the following paragraphs to this subsection:
C o m p e n s a t i o n f o r d e w a t e r i n g s h a l l b e c o n s i d e r e d a s i n c l u d e d i n a s a n i n c i d e n t a l i t e m t o excavation and backfill or other items of work in the BID SCHEDULE and no additional compensation will be allowed therefore. Full compensation for any necessary work related to Unsuitable Materials required to perform the construction operations specified or shown on the Plans will be considered as included in the price bid for the related items of work, and no additional compensation will be allowed therefore.
Full compensation for supporting the excavation for structures shall include furnishing all labor, materials, tools, equipment, and incidentals and for doing all the work involved in providing excavation safety, shoring or sloping of excavations including, but not limited to, design of the shoring system; obtaining all necessary permits from the Division of Occupational Safety and Health; constructing shoring; and removal and disposal of the shoring materials; all as shown on the Plans, or as specified in the General Conditions, Standard Specifications, and these Supplementary Special Provisions; shall be considered as included in the related items of work and no additional compensation will be allowed.
No change will be made in the amount to be paid for supporting the excavation for structures as a result of required revisions in the excavation support details due to a type of soil encountered which requires a method of trench support different from that approved.
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300-4 UNCLASSIFIED FILL.
300-4.1 General.
Add the following paragraphs to this subsection:
The excavation, placement, conditioning, and compaction of material shall be in accordance with the Plans, Specifications, the City of Vista Development Code (Chapter 17 Section 17.56), and the Geotechnical Report, prepared by by Vinjie and Middleton Inc. The Geotechnical Report is available in the appendix (see list of Appendices in Table of Contents on Page 2). This is a limited report since samples were taken at the wall locations only.
Any objectionable material, including organic and inorganic debris, shall be removed, and shall not be placed in the fill.
The Contractor shall establish rough grade of the areas to be planted by placing fill material to a minimum of six inches (6”) below the finished grad e shown on the Plans. The Contractor shall then complete the grading work to establish finished grade by placing a minimum of six inches (6”) of topsoil that has been stockpiled from the existing site or imported.
Excess soil remaining from excavations on the Project site may only be used for fill material when rocks, lumps, cobbles, clods, base material, or other solid materials such as broken concrete or asphalt from removal operations are suitable for the particular area to be filled as determined by the Engineer and conform to the requirements of the geotechnical investigation. Broken concrete or asphalt pavement materials shall not be allowed within site grading fill areas or roadway fills less than three feet (3’) in height, within three feet (3’) of final grade in any area or within five feet (5’) (vertically) of the existing ground water table. Any concrete or asphalt placement shall be approved by the Geotechnical Engineer.
Concrete or asphalt pieces shall be less than six inches (6”) in maximum dimension and surrounded by soil particles when used as compacted fill. No nesting shall occur. If the Contractor wishes to use any of the excess material remaining from the Project excavations for any purpose, the material must be suitable for use as fill or backfill and meet the requirements of Subsection 300-4 (“UNCLASSIFIED FILL.”) of the Standard Specifications and the geot echnical investigation for this Project. The Contractor shall first remove all organic material, construction debris, miscellaneous debris, rubbish, and other objectionable materials contained therein, then obtain tests of the material from a lab per City approval to confirm its suitability.
Geotechnical (soil) testing of all fill materials; subgrade, subbase, and base will be conducted by the Agency and the Geotechnical Engineer. Geotechnical (soil) tests may include relative compaction tests, sand equivalent tests, sieve analysis, R-values , etc. The results shall be presented directly by the laboratory to the Engineer. No base or PCC pavement shall be placed prior to the subgrade or subbase being compacted, tested and approved by the Engineer.
The cost of any initial geotechnical (soil) tests shall be borne by the Agency. Additional geotechnical (soil) tests due to the failure of one (1) or more of the initial tests shall be conducted by the laboratory and any costs borne by the Contractor. The Contractor shall make allowances in his construction procedure to permit testing of the Work in progress by the Engineer, and no additional compensation shall be paid to the Contractor for delays due to testing.
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300-4.10 Payment.
Modify this subsection to read as follows:
300-4.10 Payment. The BID SCHEDULE for this Project DOES NOT list a bid item for Unclassified Fill. Full compensation for any necessary Unclassi fied Fill required to pe rform the construction operations specified or shown on the Plans will be considered as included in the price bid for the related items of work, and no additional compensation will be allowed therefore.
300-5 BORROW EXCAVATION.
300-5.2 Imported Borrow.
Add the following paragraph to this subsection:
In accordance with the provisions of Section 20676 of the State of California Public Contract Code, it shall be mandatory upon the Contractor to whom the Contract is awarded, and upon all subcontractors and suppliers under him, to obtain all construction aggregate, sand, gravel, crushed stone, road base, fill materials, and any other mineral materials used for Imported Borrow, from a supplier that is included on the most current Office of Mine Reclamation AB 3098 List (as proposed in California Assembly Bill 3098 and now codified in Se ction 2717.(b) of the State of California Public Resources Code). Failure to identify the supplier and the mine may result in rejection of the submittal, and any work completed using materials from an unlisted mine will be SUBJECT TO REJECTION.
300-5.4 Measurement and Payment.
Modify this subsection to read as follows:
300-5.4 Measurement and Payment. The BID SCHEDULE for this Project DOES NOT list a bid item for borrow excavation. Full compensation for an y necessary borrow required to perform the construction operations specified shall be considered as included in the related items of work for which the borrow excavation is required, and no additional compensation will be allowed therefore.
300-11 ROCK SLOPE AND EROSION PROTECTION (RIPRAP).
300-11.2 Rock Placement.
Add the following paragraph to this subsection to read as follows:
Rip-rap energy dissipater shall comply with SDRSD No. D-40 (“RIP RAP ENERGY DISSIPATER”) with Type per plan or as approved by city engineer, placed on a Mirafi 140N filter fabric blanket or approved equal, at the location shown on the Plans.
300-11.4 Measurement and Payment.
Modify this subsection to read as follows:
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300-11.4 Measurement and Payment. Stone and stonework for riprap will be measured and paid for by the SF price bid as specified in BID SCHEDULE. Such price shall be considered full compensation for all materials, tools, and equipment necessary to construct Dispersion area including the APPERTENANCES (e.g. clearing and grubbing, earthwork, etc.) to these specifications, as shown on the Plans, and no additional compensation will be made.
300-12 EROSION CONTROL.
300-12.1 General.
Add the following new subsection:
300-12.1 General. The Contractor shall provide erosion control and water pollution control conforming to the requirements shown on the Plans, as specified herein, and as elsewhere required by the Contract Documents. Erosion control and water pollution control shall include the Work specified herein, and such additional measures, as may be directed by the Engineer, to meet Best Management Practices, as defined herein, and to properly control erosion and storm water damage of the limits of work and construction impacts upon areas receiving drainage flows from within the limits of work.
The work covers the prevention, control and abatement of waterborne silts, sediments, earth materials, inorganics, chemicals, construction materials, trash, and debris in order that pollution of the existing onsite and downstream watercourses is prevented or minimized. The Work includes preventing, controlling or abating water polluting elements or materials which may result both directly and indirectly from within and outside the Project work limits. This includes water flow from, to, or through the site resulting from rainfall runoff, groundwater movement, and stream storm water discharge.
The work includes:
a] the exercise of care and the execution of every reasonable precaution by the Contractor as required by the conditions of the site, weather and construction activities involved;
b] the implementation of construction of various devices, facilities, or features shown on the Plans;
c] the implementation or construction of any devices, facilities, or programs as required conditions of any regulatory agency permits for the Project. The Work therefore includes, but is not limited to, the construction and / or installation of temporary devices such as hay (straw) bales; silt fences; gravel bags; erosion control netting, fabric, blankets, or mats; silt or sediment basins; dikes or berms; swales, linings; ponds; diversion structures, pipes, and related facilities.
d] the cleaning, repairing, silt and sediment removal, maintenance and the removal of devices.
Note: The Contractor’s attention is also directed to the specific requirements contained within the regulatory agency conditional agreements.
Unless other more restrictive requirements are sp ecified elsewhere in the General Conditions or these Special Provisions, or as a requirement of regulatory or other Agency permits, the following minimum provisions shall be met:
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a] Equipment and workers for emergency work shall be made available at all times during the rainy season. All necessary materials shall be stockpiled on site at convenient locations to facilitate rapid construction or deployment of temporary devices when rain is imminent.
b] Devices shown on the Plans shall not be moved or modified without the approval of the Engineer.
c] The Contractor shall restore all erosion control devices to working order to the satisfaction of the Engineer after each runoff-producing rainfall, and every 24 hours during a prolonged storm event, as needed.
d] The Contractor shall install additional erosion control measures as may be required by the Engineer due to uncompleted grading operations or unforeseen circumstances which may arise.
e] The Contractor shall be responsible and shal l take necessary precauti ons to prevent public trespass onto areas when impounded waters create a hazardous condition.
f] During the rainy season and wh en rainfall is probable, graded areas around the Project perimeter must drain away from the face of slope at the conclusion of each working day.
g] All removable protective devices shown shall be in place at the end of each working day when the five (5) calendar day rain probability forecast exceeds thirty percent (30%).
Compliance with the requirements of this subsection shall in no way relieve the Contractor from his responsibility to comply with the other provisions of the contract, in particular his responsibility for damage and for preservation or property.
Failure to take said measures satisfactory to the Engineer or regulatory agencies will subject Contractor to orders to cease operations. Any losses to Contractor associated therewith shall be at Contractor’s sole expense.
300-12.2 Grading Controls.
Add the following new subsection:
300-12.2 Grading Controls. The Contractor shall protect all areas that have been graded and/or cleared and grubbed as well as areas that have no t been graded and/or cl eared and grubbed within the limits of work from erosion. The Contractor shall provide temporary earth berm, fiber rolls, gravel bags, silt fences, stabilized construction entr ances and similar measures, coordinated with its construction procedures, as necessary and as shown on the Plans to control on site and off site erosion during the construction period. The Contractor shall protect areas which have been cleared and grubbed prior to excavation or embankment operations, and which are subject to runoff during the duration of the contract. The criteria used to determine the appropriate erosion control measures shall be the “Best Management Practices”, hereinafter BMP, defined and described in the latest edition of the "California Storm Water Best Management – Construction Handbook" as published by the Storm Water Quality Task Force [go to the CASQA on-line bookstore at the following URL to purchase, download or view handbook(s)]:
http://www.cabmphandbooks.com
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The Contractor shall maintain a copy of the late st edition of the "California Storm Water Best Management – Construction Handbook" on the Project site and shall conduct its operations in conformity to said Handbook.
Excavation and Embankment areas, while being brought to grade and during periods of completion prior to final surface construction, shall be protected from erosion and the resulting siltation of downstream facilities and adjacent areas, and be graded so a s to direct runoff into impoundment areas within the limits of work where such runoff shall have pollutants removed by BMP methods. The Contractor shall provide protection by BMP measures to eliminate erosion and the siltation of downstream facilities and adjacent areas. Thes e measures shall include all means necessary to prevent polluted runoff from leaving the site.
300-12.4 Payment.
Add the following new subsection:
300-12.4 Payment. Payment for all work required to provide Storm Water Pollution Prevention and Erosion Control shall be included in the lump sum price included in the Bid specified as Storm Water Pollution Prevention and Erosion Control. Such price shall include full compensation for preparing the Storm Water Management Permit, the Storm Water Pollution Prevention Plan (SWPPP) where applicable, performing erosion control and water pollution control, conforming to the operational requirements herein, providing and maintaining all BMPs, removing all construction BMPs, conforming to the requirements of the current State Water Resources Control Board of California Order, and the current City of Vista Grading Ordinance, and no additional compensation will be allowed therefore.
SECTION 301 –SUBGRADE PREPARATION, TREATED MATERIALS,
AND PLACEMENT OF BASE MATERIALS
301-1 SUBGRADE PREPARATION.
301-1.1 General.
Modify this subsection to read as follows:
301-1.1 General. This subgrade preparation specification shall govern the preparation of natural, filled, or excavated material prior to the final placement of subbase or base material, geotextile fabric, drainage facilities, pavement, curbs and gutters, driveways, sidewalks, retaining walls or any concrete facilities or roadway structures. Subgrade preparation shall include, but not be limited to scarification and moisture adjustment and compaction of the top twelve inches (12”) of the subgrade in the pavement areas to ninety-five percent (95%) relative compaction, and attendant work, export of remaining excess material to a disposal site or spoil area acquired by the Contractor and pumping and disposal of storm and ground water. In areas where existing utilities may interfere with subgrade preparation work in the roadway prism, the Contractor may choose to place geogrid to stabilize the subgrade and reduce the depth of excavation.
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Geotechnical (soil) testing of all fill materials; subgrade, subbase, and base will be conducted by the Agency and the Geotechnical Engineer. Geotechnical (soil) tests may include relative compaction tests, sand equivalent tests, sieve analysis, R-values , etc. The results shall be presented directly by the laboratory to the Engineer. No base or PCC pavement shall be placed prior to the subgrade or subbase being compacted, tested and approved by the Engineer.
The cost of any initial geotechnical (soil) tests shall be borne by the Agency. Additional geotechnical (soil) tests due to the failure of one (1) or more of the initial tests shall be conducted by the laboratory and any expenses borne by the Contractor. The Contractor shall make allowances in his construction procedure to permit testing of the Work in progress by the Engineer, authorized representative or the Inspector, and no additional compensation shall be paid to the Contractor for delays due to testing.
301-1.7 Payment.
Revise this subsection to read as follows:
301-1.7 Payment. The BID SCHEDULE DOES include a bid item for subgrade preparation. Full compensation for Subgrade Preparation required to perform the construction operations specified or shown on the Plans will be considered as included in the price bid for Subgrade Preparation, and no additional compensation will be allowed therefore.
Payment for grading operations in areas designated as “grade only” will be considered as included in the price for excavation or fill.
301-2 UNTREATED BASE.
301-2.1 General.
Add the following to this subsection:
Concrete curb, gutter, cross gutter, spandrel, sidewalk, driveway, and flatwork shall be placed on untreated compacted aggregate base, unless the existing material under the areas being repaired is determined to be firm and unyielding by the Engineer. New Asphalt Concrete Pavement shall also be placed on untreated compacted aggregate base. Untreated compacted aggregate base shall have the following thicknesses under respective concrete surface improvement unless shown otherwise on the Plans or specified:
PCC Sidewalk shall be placed on six inches (6”) of untreated compacted aggregate base.
PCC Curb and Gutter shall be placed on six inches (6”) of untreated compacted aggregate base.
PCC Pedestrian Access Ramp shall be placed on six inches (6”) of untreated compacted aggregate base.
PCC Driveway Entrance shall be placed on six inches (6”) of untreated compacted aggregate base.
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PCC Cross Gutter and Spandrel shall be placed on twelve inches (12”) of untreated compacted aggregate base.
Asphalt Concrete Pavement shall be placed on untreated compacted aggregate base, using the thicknesses shown on the Plans.
The Contractor will be allowed to reuse any existing base that is removed if the base material is removed without being contaminated by subgrade soils or other deleterious materials. The re-used base material must be moisture conditioned and compacted as specified. The Contractor shall provide water and compact the surface of any base material that will form the foundation for subsequent improvements, to meet the requirements of the Plans and specifications. The Contractor shall remove and replace any existing aggregate base that becomes contaminated.
301-2.3 Compacting.
Add the following as the first paragraph:
301-2.3 Compacting. It shall be the Contractor’s responsibility to provide adequate equipment and methods to accomplish the Work in accordance with these Specifications. The grading shall be done to the elevations provided in the Plans. Any field conditions that prevent the Contractor from matching design elevations shall be immediately notified to the Engineer.
Revise the third paragraph of this subsection to read as follows:
The relative compaction of each layer of compacted base material shall not be less than ninety- five percent (95%) for curbs, driveways and paveme nt for a minimum depth of one foot (1.0’) below the grading plane. Compaction under sidewalks and in the excepted areas shall be as specified in Subsection 211-1 (“COMPACTION TESTS. ”) with each layer of compacted base material having a minimum compaction of ninety percent (90%).
301-2.4 Measurement and Payment.
Revise this subsection to read as follows:
301-2.4 Measurement and Payment . The quantities of new untreated aggregate base will be calculated using the square footage of the improvements constructed on the base, multiplied by the thickness of the base shown on the plans or specified. If the Engineer directs the Contractor to place additional base, the thickness requested by the Engineer will be used in calculating the pay quantity.
If the base thickness is increased by the Contractor for his convenience or to avoid performing additional required subgrade preparation, the additional base will not be included in the pay quantity.
Because the determination of whether untreated aggregate base will be needed in certain areas depends on the condition of the existing materials, it is a rough estimate for bidding purposes.
To confirm the pay quantities, the Contractor shall furnish to the Engineer at the time of delivery of the material to the job site a legible copy of a licensed weigh master’s certificate showing gross, 08/26/2025
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tare, and net weights of each truckload of untreated base. Failure of the Contractor to provide a certificate to the Engineer by the end of the day on which the material represented by such certificate is delivered to the job site may, at the discretion of the Engineer, result in the forfeiture of all payment for such material, including any labor and equipment costs or related costs included in the price for furnishing and placing the untreated base.
Payment for untreated compacted aggregate base will be made by Bid Price per CUBIC YARD as shown in the bidSuch bid price shall include full co mpensation for clearing and grubbing; earthwork; subgrade preparation; supplying, placing, spreadin g, compacting, and finishing the untreated base; and all other work required to perform the construc tion operations specified or shown on the Plans, and no additional compensation will be allowed therefore.
SECTION 302 – ROADWAY SURFACING
Revise this subsection to read as follows:
302-1 Crack Sealing
302-1.1 General
Add the following new subsection:
302-1.1 General. In areas where a slurry seal is to be made on existing paving, all cracks one- eighth inch (1/8”) wide or wider shall be sealed prior to the construction of an asphalt concrete overlay.
The Engineer will make the sole determination as to which cracks shall be sealed.
All cracks one-eighth to one and one-half inches (1/8” – 1 ½”) wide shall be sealed with a hot applied rubberized asphalt sealant. All cracks sha ll be cleaned full depth by blowing operations prior to applying the sealant. The sealant shall be Crafco Polyflex Sealant, Type 2 or 3, or an approved equal.
The Sealant shall be applied in accordance with the manufacturer’s instructions.
All cracks one and one-half inches (1 ½”) or wider shall be cleaned full depth, a tack coat applied to the edges and filled with a fine asphalt concrete hot mix.
Care shall be taken to avoid excess sealant being applied to the existing asphalt concrete surface.
A squeegee shall be used to spread out excess sealant on small cracks. There shall be a one-half inch (½”) deep cup-shaped groove between the existing asphalt concrete surface and the top crack sealant p l a c e d i n c r a c k s o n e - h a l f i n c h ( ½ ” ) w i d e o r w i d e r . E x c e s s s e a l a n t , a s s o l e l y d e t e r m i n e d b y t h e Engineer, shall be removed at the Contractor’s expense. Contractor shall keep traffic off of areas receiving crack seal until it has cured to the point where it will not be removed from cracks by vehicle tires. Cracks shall be sealed a minimum of seven (7) days prior to placement of slurry seal.
302-1.2 Measurement and Payment.
Add the following new subsection:
302-1.2 Measurement and Payment. Quantities of crack sealing for asphalt concrete overlay will be measured as shown in the BID SCHEDULE. Full compensation for any necessary crack sealing will 08/26/2025
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be considered as included in the price bid for [Crack Sealing / the related items of work] , and no additional compensation will be allowed therefore.
302-5 ASPHALT CONCRETE PAVEMENT.
302-5.1 General.
Modify the first paragraph of this subsection to read as follows:
302-5.1 General. Asphalt concrete pavement shall consist of two (2) or more courses of a mixture of paving asphalt and graded aggregate as specified in Subsection 203-6 (“ASPHALT CONCRETE.”), placed on a prepared surface of existing or new untreated base, or over existing paving, as necessary to construct the roadway as shown on the Plans or as required to complete the Work (i.e. where new curb is placed, utility cuts, and manhole reconstruction area). The courses shall be of the type of mixture specified. The thickness of asphalt concrete pavement for initial patch areas next to gutters, spandrels, and curbs shall be a minimum of six inches (6”), and the thickness in trenches next to curbs and driveways and in trenches shall be one-inch (1”) thicker than the existing pavement. The initial asphalt concrete patch base course for the items of work shown on the Plans shall be placed full depth from the aggregate base to the existing pavement surface as soon as the adjacent improvements are cured sufficiently to allow the paving to proceed. The initial asphalt concrete patch shall be placed in multiple move-ins to accommodate the required traffic control and staging phases, and to ensure that traffic is allowed to use the improvements as quickly as possible. Asphalt concrete in streets and parking lot areas where there is no base shall be placed on a prepared section of subgrade material to the thickness shown on the Plans. The surface course of asphalt concrete shall be a minimum of one and one-half inches (1-1/2”) thick with a one inch (1”) minimum thickness at the overlay key. The surface course shall be placed in the minimum nu mber of move-ins necessary to accommodate the required traffic control and staging phases, but mi nimize the joints in the new asphalt concrete surface. Before the surface course is placed, the edges of existing pavement shall be cold milled to form an overlay key as shown on the Plans or as specified.
In a parking lot, the entire accessible parking st all and loading area shall not exceed two percent (2.00%) in any direction, NO EXCEPTIONS.
Add the following paragraph to read as follows:
Temporary asphalt concrete pavement and striping may be required to implement the traffic control and construction phasing shown on the Plans or specified. In sidewalk areas temporary AC surfacing shall be at least one inch (1”) thick. In the streets, a greater thickness may be required.
Temporary surfacing and striping shall be placed before the end of the work period so traffic can be restored at the time of day specified, and it shall remain in place or be replaced regularly until the area is ready for permanent pavement and striping. Full compensation for all work required to install, maintain, and dispose of temporary asphalt concrete pavement and striping will be considered as included in the price bid for Traffic Control and Construction Phasing and no additional compensation will be allowed therefore.
302-5.2.3 Tack Coat.
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Replace the first sentence of the first paragraph in this subsection with the following:
If the asphalt concrete pavement is being constructed directly upon an existing hard-surfaced pavement, a Tack Coat of PG 64-10 paving asphalt shall be uniformly applied at a rate no less than
0.07 gallons per square yard (g/sq. yd.) upon the existing pavement preceding the placement of asphalt concrete. Payment for this item shall be included in the unit price for the related asphalt concrete pavement or overlay and no additional compensation will be allowed.
302-5.9 Placement.
302-5.9.1 General.
Add the following paragraphs to this subsection:
Asphalt paving equipment shall be equipped with automatic screed controls and a sensing device or devices. When placing asphalt concrete, the automatic controls shall control the longitudinal grade and transverse slope of the screed. Grade and slope references shall be furnished, installed, and maintained by the Contractor.
At locations where new asphalt concrete pavement joins an unimproved shoulder, the Contractor shall taper the new asphalt edge by raking out all aggregate three-eighths inch or larger (3/8+”) and feathering the new paving to form a smooth transition to join the unimproved shoulder. The transition shall extend a minimum of eighteen inches (18”) on to the shoulder. Additional tack coat shall be applied to all tapered transitions to prevent raveling of the new pavement. Tapers shall be raked, rolled, and compacted so there is no lip exceeding one-quarter inch (1/4”).
Should the methods and equipment furnished by the Contractor fail to produce a layer of asphalt concrete conforming to the requirements, including straightedge tolerance, of Subsection 302-5.11 Compaction and 302-5.12 Smoothness of the Standard Specifications, the paving operations shall be discontinued and the Contractor shall modify their equipment or furnish substitute equipment.
Careful attention shall be given to maintaining proposed surface drainage conditions during placement of asphalt overlay. Unle ss otherwise directed by the Engineer, existing drainage patterns shall be maintained.
Should the automatic screed controls fail to operate properly during any work period, the Contractor may use manual control of the spreading equipment for the remainder of the work period; however, the equipment shall be corrected or re placed with alternative automatically controlled equipment conforming to the requirements in this Subsection before starting another work period.
Prior to placing asphalt concrete, the Contractor sh all provide covers over all existing storm drain grates and inlets to prevent entry of debris.
The streets identified for overlay may have rutting, offset crowns, high spots, or low spots that need to be corrected to re-establish the proper street grade. Cold milling shall be used to remove high spots.
Tack coat and leveling courses of asphalt concrete shall be placed to fill low spots and ruts and to re- establish street grades prior to the placement of asphalt concrete overlay. The Contractor shall use cold milling to remove high spots and to provide joints for AC leveling course, in areas as directed by 08/26/2025
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the Engineer. The Contractor shall place tack coat in the areas delineated by the Engineer, and rake the edges of the variable thickness AC leveling course to create smooth feathering. If a quantity of AC leveling course is included in the Bid Schedule, it is a rough estimate for bidding purposes. If Leveling C o u r s e i s n e e d e d , t h a t w o r k s h a l l b e d i r e c t e d b y the Engineer in the field. The Contractor shall cooperate with the Engineer in placing the leveling course as required to re-establish street grades, and perform the work as directed by the Engineer.
302-5.9.2 Joints.
Replace the first paragraph in this subsection with the following:
Longitudinal joints between successive runs shall be placed to match striped lane lines. If this placement pattern cannot be met, joints between successive runs shall be in the center of the driving lane.
302-5.12 Smoothness.
Add the following paragraphs to this subsection:
Contractor shall have a ten foot (10’) straightedge onsite at all times during all paving operations for use in checking the smoothness of the surface.
The finished surface of the asphalt concrete pavement shall be placed three-eighths inch (3/8”) above the gutter lip to allow full compaction of the asphalt at the gutter edge and to prevent damage to the gutter lip caused by the roller.
At curb ramps the finished surface of the asphalt concrete pavement shall be placed one-eighth inch (1/8”) above the gutter lip. If the asphalt concrete surface is more than one-quarter inch (1/4”) above the lip or if the slope of the asphalt concrete surface at the gutter lip exceeds five percent (5%), the Contractor shall grind the pavement until it is equal to or less than five percent (5%) and flush with the gutter lip.
302-5.14 Payment.
302-5.14.5 Asphalt Concrete
Modify the first paragraph of this subsection to read as follows:
302-5.14.5 Asphalt Concrete . Asphalt concrete pavement will be paid for at the Contract Unit Price per Ton as shown in the bid. Quantities of asphalt concrete pavement will be determined by adding up the total of all certified material ticket s for asphalt concrete delivered and placed for the Project. The unit price bid for asphalt concrete pavement shall include full compensation for clearing and grubbing, unclassified excavation and fill, cold milling, subgrade preparation and applying tack coat, supplying and placing the base course and surface course asphalt concrete, compacting and finishing the asphalt concrete pavement, and all other related items of work, and no additional compensation will be allowed. Re-setting or adjusting manholes, covers, vaults, valves, boxes or other miscellaneous facilities to grade will be paid for as provided in Subsection 403-5 (“PAYMENT.”). 08/26/2025
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302-6 PORTLAND CEMENT CONCRETE PAVEMENT.
302-6.1 General.
Add the following after the first sentence of the first paragraph in this subsection:
Formwork shall be approved by the Engineer before placing concrete. The work shall include, but not be limited to, the saw cutting, removal and disposal of AC and sub-base, sub-grade preparation, base material, compaction, placement, materials, rebar, all labor, tools, equipment and incidentals necessary to do all of the work as specified on the Plans or as directed by the Engineer.
302-9 ASPHALT RUBBER HOT MIX (ARHM).
302-9.4 Rolling.
Modify the first sentence to read as follows:
302-9.4 Rolling. Rolling shall conform to 302-5.10 except that vibratory steel drum rollers using the vibratory mode shall be used for initial breakdown rolling.
SECTION 303 – CONCRETE AND MASONRY CONSTRUCTION
303-1 CONCRETE STRUCTURES.
303-1.1 General.
Add the following paragraph to this subsection:
Concrete footings for traffic signals and street lights and other structures such as steps, ramps and walls shall conform to these Plans, City of Vista Standards, Caltrans Standard Plans and Standard Specifications, the California Building Code (CBC) and the San Diego Regional Standard Drawings (SDRSD). If not otherwise specified in the Caltrans Specifications, concrete footings shall conform to these specifications and shall be approved by the Engineer. Full compensation for all required work to construct concrete footings will be considered as included in the related items of work.
303-4 MASONRY CONSTRUCTION
Add the following new subsection:
303-4.3 Segmental Gravity Block Retaining Walls.
303-4.3.1 Construction.
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Add the following new subsection:
303-4.3.1 Construction. The work for (Compac II) Segmental Gravity Block Retaining Wall includes furnishing and constructing the segmental gravity block retaining wall at the locations shown on the Plans. The Contractor shall excavate the base tr ench twenty-four inches (24”) wide at a depth of fourteen inches (14”). The subgrade of the trench shall be compacted to ninety-five percent (95%) relative compaction and a six inch (6”) layer of aggregate base added, tamped and leveled to form the base-leveling pad. The base-leveling pad shall be constructed such that the resulting top of wall is a continuous smooth profile throughout the entire length of wall. The first course of blocks will be placed on the compacted aggregate base and will remain eight inches (8”) below adjacent grade. The remaining segmental gravity blocks shall then be placed per the manufacturer’s recommendations.
For the Michigan Ave Parking Lot, the main retaining wall will utilize Allan Block long anchoring unit (LAU), facing unit 812 & 824 which are 8.0 x 12.75x 12 and 8.23.676 x 24 in dimension, respectively, and installed per manufactures instruction, see Appendix for information.
303-4.3.2 Measurement and Payment.
Add the following new subsection:
303-4.3.2 Measurement and Payment. Payment for Segmental Gravity Block Retaining Wall shall be made per the bid price per lump sum as shown on the BID SCHEDULE. The height portion of the square footage measurement shall be from the finished grade of the soil or concrete surface at the toe of the wall to the top of the wall. Such price shall include all materials, labor and equipment required to install the wall including the installation of the aggregate base.
303-5 CONCRETE CURBS, WALKS, GUTTERS, CROSS GUTTERS, ALLY INTERSECTIONS, ACCESS RAMPS, AND DRIVEWAYS.
303-5.1 Requirements.
303-5.1.1 General.
Modify the second paragraph of this subsection to read as follows:
Unless otherwise prescribed in Subsection 303-5.1.3 (“ Driveway Entrances. ”), the minimum thickness of walks shall be four inches (4”). The height of curbs and the thickness of gutters, cross gutters, alley intersections, curb ramps and driveway aprons shall be as shown on the Plans.
303-5.1.2 Drainage Ou tlets Through Curb.
Modify the first paragraph of this subsection to read as follows:
Drains shall be constructed beneath the sidewalk as shown in SDRSD No. D-27 (“SIDEWALK UNDERDRAIN PIPE”) to connect existing building drains or yard drains along the line of Work through curb outlet sleeves to the gutter, or to serve low areas on adjacent property where pre-existing drainage 08/26/2025
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conditions have been affected by the Work. Each separate parcel shall be provided with a minimum of two (2) drains, one (1) at the low side of the parc el and one (1) at the high side of the driveway, or as shown on the Plans. Payment for all work required to install curb sleeves and under-sidewalk drains will be considered as included in the related concrete items, and no additional compensation will be allowed therefore.
303-5.1.3 Driveway Entrances.
Add the following paragraphs to this subsection:
Where walk is constructed adjacent to driveways, both commercial and residential, provisions shall be made for an accessible walkway within the right-of -way at the back of the sloped driveway apron, with a minimum width of forty-eight inches (48”) and a maximum cross slope of two percent (2.00%).
The longitudinal slope of the walk shall match the slope of the street, taken at the gutter lip or gutter flow line.
PCC Driveway Entrances and PCC Dr iveways shall be in accordance with City of Vista Municipal Code Section 16.57.090, with smooth transitions to join existing improvements, and no grade breaks exceeding fourteen percent (14%) in eleven feet (11’) for a crest, or twenty-three percent (23%) in eleven feet (11’) for a sag.
303-5.1.4 Curb and Gutter.
Add the following new subsection:
303-5.1.4 Curb and Gutter . PCC Curb and Gutter shall be formed along the gutter lip using specified form material. For projects where curb and gutter is being constructed adjacent to existing pavement, a section of pavement twelve inches (12”) wide, measured from the lip of the gutter, shall be removed to allow for the gutter lip to be formed. The twelve inch (12”) slot shall be paved after the curb and gutter is fully cured, to avoid damage from paving operations.
The Contractor shall exercise great care to construct curbs conforming strictly to ADA standards at locations where curb ramps will be constructed. Th e curb face shall be depressed to a flush surface with no lip at the flowline. The slope of the asphal t leading up to the curb ramp shall not exceed five percent (5.00%) for a distance of four feet (4’) with a maximum two percent (2.00%) cross slope per SDRSD No. G-32A.
The Contractor shall install eight inch (8”) mow curb in accordance with the San Diego Regional Standard Drawing (SDRSD) No. L-3 (“CONCRETE MOWING STRIP”). All mow curb shall be reinforced as shown on the standard drawing. New mow curb shall have weakened plane joints every ten feet (10’), and expansion joints every thirty feet (30’) and where new mow curb joins other improvements.
The Contractor shall identify lo cations of water and sewer laterals by stamping a “W” for water service and an “S” for sewer laterals in the green concrete curb after finish troweling is complete. The stamps shall be professionally fabricated, with letters three inches (3”) high.
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Expansion joints are required only at beginning and ending of curb returns.
303-5.1.5 Walks.
Add the following new subsection:
303-5.1.5 Walks. Sidewalks shall be constructed in strict conformance with ADA standards. The cross slope on sidewalks shall in no case exceed two percent (2.00%). The clear width of sidewalk shall not be less than forty-eight inches (48”), measured from the back of curb. Construction tolerances shall not be a reason to exceed the minimum or maximum standards of the ADA. The width of the top of the curb cannot be counted as part of the sidewalk clearance.
If a monolithic retaining curb at the back of curb ramp or sidewalk with a maximum height of six inches (6”) is required to minimize erosion or ma tch existing improvements or earth, the Contractor shall construct those retaining curbs at the back of the curb ramp or sidewalk to the limits determined by the Engineer. Retaining curbs shall not reduce the sidewalk clear width below the minimum of forty- eight inches (48”).
Where curbs are sleeved to provide connections to the gutter for yard drains, new sidewalk shall be constructed with under-sidewalk drains, in accordance with Subsection 303-5.1.2 (“Drainage Outlets Through Curb.”) and SDRSD D-27 (“SIDEWALK UNDERDRAIN PIPE”).
Any irrigation facilities removed or adjusted for the construction of the sidewalk or other work shall be replaced, relocated, or re-configured with similar materials, so that the irrigation system is fully functional. Unless there is a bid item for landscaping and irrigation, payment for this work will be considered as included with other items of work.
Any turf, sod or landscaping removed adjacent to the Work for the construction of the sidewalk shall be replaced with new turf, sod or landscapin g of the same type from a commercial nursery.
Unless there is a bid item for landscaping and irriga tion, payment for this work will be considered as included in the related items of work.
Expansion joints are required only at beginning and ending of curb returns.
303-5.1.6 Curb Ramp.
Add the following new subsection:
303-5.1.6 Curb Ramp . PCC Curb Ramp shall be constructed in strict conformance with ADA standards. The ADA standards are shown in the la test edition of the San Diego Regional Standard Drawings (SDRSD). For the construction of curb ramps, the Contractor shall refer to, and comply with, all of the requirements for curb ramps shown in the most recent version of the SDRSD Nos. G-27 through G-32B (“ CURB RAMP ” ) ( i n c l u s i v e ) . T h e C i t y o f V i s t a h a s d e v e l o p e d a c h e c k l i s t o f A D A standards for curb ramps, to be used by the Contractor and the Engineer in confirming compliance with ADA standards for sidewalks and any type of curb ramps. The checklist is either included in the 08/26/2025
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appendices to these specifications (see list of Appendices in Table of Contents on Page 2), or is available to the Contractor upon request.
The Contractor shall modify, adjust or relocate any adjacent improvements so the curb ramp can be constructed to ADA Standards. Before the placement of any concrete curb or curb ramp, the Contractor shall notify the Engineer if it appears that the specified maximum slopes will be exceeded due to existing conditions, to allow the Engineer the opportunity to provide direction. If the Engineer determines that a TYPE C CURB RAMP (per SDRSD No. G-29) must be constructed instead of a TYPE A or TYPE B CURB RAMP (per SDRSD No. G-27), to fit existing conditions or minimize impacts to private property, the Contractor shall construct the alternate type of ramp. The Engineer shall pay the bid price for the specified ramp if there is no bid price for the alternate ramp.
If a monolithic retaining curb with a maximum height of six inches (6”) is required to minimize erosion or match existing improvements at the ba ck side of the curb ramp, the Contractor shall construct those curbs at the back of the sidewalk to the limits determined by the Engineer, otherwise they may be eliminated. Retaining curbs shall not reduce the clear width of the landing below the minimum of forty-eight inches (48”).
The Contractor shall depress the curb to flush (0” curb face) in front of the curb ramp to meet ADA standards. The Contractor shall construct the road paving or remove and replace sufficient asphalt concrete paving and base to provide a four foot (4’) minimum square landing area, measured from the gutter flowline, where the slopes do not exceed five percent (5%) in any direction per California Building Code (CBC) 1127 B.5.3. The surface of the curb ramp and side flares shall be of contrasting finish from that of the adjacent sidewalk per CBC 1127 B.5.5.
If a diagonal curb ramp on a corner is being constructed at a crossing marked on the pavement, the Contractor shall provide twenty-four inch (24”) long segments of straight curb on each side of the curb ramp, per CBC 1127 B.5.9.
The Contractor shall install a detectible warnin g surface pad on all pedestrian access ramps and curb ramps leading to hazardous area (e.g. vehicular traffic), as shown on the Plans or in the Standard Plans. The detectable warning surface pad shall ex tend the full width of the ramp forty-eight inches (48”) minimum and shall measure at least thirty-six inches (36”) along the ramp slope. The detectable warning surface pad or tile shall be securely attached to the surface of the concrete using adhesive and anchors as recommended by the manufacturer of the detectible warning surface. The concrete surface shall be recessed if required by the manufacturer of the detectable warning pad, and the Contractor shall follow all other manufacturer installation instructions. The detectable warning surface pad shall be integrally-colored “DARK GRAY” at all pedestrian access ramps (or curb ramps) on street intersections.
The Contractor shall include in the unit price for Curb Ramps all related costs not covered by other bid items.
303-5.2 Forms.
303-5.2.2 Slip-Forms.
Add the following sentence to the end of the first paragraph in this subsection:
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Contractor shall give Engineer the opportunity to confirm the slip-form shoe is set at the correct batter for the concrete curb and gutter.
303-5.5 Finishing.
303-5.5.4 Gutter.
Add the following before the first sentence of the first paragraph in this subsection:
303-5.5.4 Gutter. Cross gutters and spandrels shall be constructed in accordance with the Plans.
Prior to acceptance of the valley gutter constructed by the Contractor, a flow test shall be conducted by the Contractor in the presence of the Engineer. Any new work found to be defective shall be repaired or replaced by the Contractor in accordance with Subsection 303-5.7 (“Repairs and Replacements.”).
303-5.7 Repairs and Replacements.
Modify this subsection to read as follows:
303-5.7 Repairs and Replacements . Any new work found to be defective or damaged, cracked, chipped, discolored, improperly finished, heaved, vandalized, or for any other reason does not conform to the specifications, prior to its acceptance, shall be replaced by the Contractor, at the Contractor’s expense, as approved by the Engineer.
The Contractor shall exercise great care in the construction of curb ramps to ensure compliance with the ADA standards. Any curb ramps that do not satisfy the ADA requirements in any aspect, including exceeding the minimum or maximum values by ANY amount, shall be removed and replaced by the Contractor at his expense. Construction tolerances shall not be a reason to exceed the minimum or maximum standards of the ADA.
303-5.9 Measurement and Payment.
Modify this subsection to read as follows:
303-5.9 Measurement and Payment. The BID SCHEDULE lists various items that include concrete construction. Items of work shall be measured and paid for as shown in the Bid.
P C C C u r b & G u t t e r s h a l l b e m e a s u r e d a n d p a i d f o r b y t h e l i n e a r f o o t a s s t a t e d i n t h e BID SCHEDULE. Quantities of curb and gutter will be measured along the line of the curb, around curb returns, and across curb ramps and driveway entrances. Pay quantities for PCC Curb and Gutter will NOT include concrete improvements with monolithic curbs covered by separate items in the bid, such as curb ramps, cross gutters (and spandrels), alley aprons, parking areas and special driveway entrances. Full compensation for any necessary work required to perform the construction operations specified or shown on the Plans, including clearing and grubbing, earthwork, subgrade preparation, removing and replacing existing pavement to allow forming of the gutter lip, installing joints per SDRSD Nos. G-9 and G-10 (“SIDEWALK JOINT LOCATIONS” & “CONCRETE JOINT DETAILS”), installing sleeves 08/26/2025
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for drains, and depressing curbs for driveway entrances and curb ramps, will be considered as included in the linear foot price bid for PCC Curb & Gutter, and no additional compensation will be allowed therefore.
PCC Median Curb (& Gutter), PCC Rolled Curb and PCC Mowing Strips shall be measured and paid for by the linear foot, as shown in the BID SCHEDULE. Quantities will be measured along the centerline of the new median curb (& gutter), rolled curb or mowing strips between adjacent existing concrete improvements. Full compensation for any necessar y work required to perform the construction operations specified or shown on the Plans, incl uding clearing and grubbing, earthwork, subgrade preparation, placing reinforcing stee l, installing joints per SDRSD No. L-3 (“CONCRETE MOWING STRIP”) and all other work required to construct the PCC Median Curb (& Gutter), PCC Rolled Curb or PCC Mowing Strips, will be considered as included in the linear foot price bid for PCC Median Curb (& G u t t e r ) , P C C R o l l e d C u r b o r P C C M o w i n g S t r i p s a n d n o a d d i t i o n a l c o m p e n s a t i o n w i l l b e a l l o w e d therefore.
“PCC Driveway Entrance” of the various types specified, including “Concrete Driveway” per SDRSD G-14A through G-14G, and “Alley-Type Driveway” per City of Vista Standard Drawing SRF-05A, shall be measured and paid for as stated in the BID SCHEDULE. Quantities of “PCC Driveway Entrance” will be measured to include all concrete flatwork that is thicker than adjacent sidewalk, from the back of the curb to the back of the accessible walkway area across the driveway and between the tops of the wings where the curb height is transitioning. Quantities of “Alley-Type Driveway” will be measured from the lip of the gutter to the back of the accessible walkway area across the driveway, and between the tops of the ramps where the curb height is transitionin g. If a monolithic retaining curb is required for the driveway, the top surface quantity of the retaining curb will be added to the quantity of the driveway.
Full compensation for any necessary work required to perform the construction operations specified or shown on the Plans, including clearing and gru bbing, earthwork, subgrade preparation, adjusting locations of driveways and widths of wings to meet City of Vista Standards, and installing joints per SDRSD Nos. G-9 and G-10 (“SIDEWALK JOINT LOCATIONS” and “CONCRETE JOINT DETAILS”), will be considered as included in the square foot or lump sum price bid for “PCC Driveway Entrance” or “Alley- Type Driveway”, of each type specified, and no additional compensation will be allowed therefore.
“PCC Pavement” for private driveway or flatwork shall be measured and paid for by the square foot as stated in the BID SCHEDULE. Quantities of “PCC Pavement” will be measured from the limit of the public PCC Driveway Entrance or public Alley-Type Driveway to the point where the new private driveway joins existing improvements, for the full width of the new driveway surface, typically on private property, or to the limits of the new PCC pavement as shown on the Plans. Full compensation for any necessary work required to perform the construction operat ions specified or shown on the Plans including clearing and grubbing, earthwork, subgrade prep aration, placing reinforcing steel and dowels, adjusting locations of the removal and replacement limits to match existing joints or reduce the slope of the driveway surface, adjusting the profile of the new driveway surface to join existing improvements with a smooth transition and no sharp grad e breaks and installing joints per SDRSD G-9 and G-10 (“SIDEWALK JOINT LOCATIONS ” and “CONCRETE JOINT DETAILS ”) will be considered as included in the square foot price bid for “PCC Pavement” and no additional compensation will be allowed therefore.
PCC Sidewalk shall be measured and paid for by the square foot as stated in the BID SCHEDULE.
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entrances, curb ramps, cross gutters or alley aprons. The top surface of monolithic retaining curb with a maximum height of six inches (6”) will be included in the quantity of sidewalk. Full compensation for any necessary work required to perform the co nstruction operations specified or shown on the Plans, including clearing and grubbing, earthwork, grading adjacent swales for drainage, subgrade preparation, placing reinforc ing steel and dowels, installi ng joints per SDRSD Nos. G-9 and G-10 (“SIDEWALK JOIN T LOCATIONS” and “ CONCRETE JOINT DETAILS ”), installing under-sidewalk drain pipes through curb sleeves to the gutter and providing monolithic retaining curbs or toe curbs as shown on the Plans or where designated by the Engineer, will be considered as included in the square foot price bid for PCC Sidewalk and no additional compensation will be allowed therefore.
PCC Curb Ramp shall be constructed in strict co nformance with ADA standards and shall be paid for per each as specified on the BID SCHEDULE. The pay limit for each pedestrian access ramp (or curb ramp) will include the area within the measurements from the back of the street curb, up to and including the twelve inch (12”) wide border at the top of the ramp (or ramps) and the ramp wings or integral curbs that make up the side of the curb ramp, which surrounds the truncated dome detectable warning surface pad. Intermediate landings within the limits of the main ramp will be included in the measurement for pedestrian access ramps (or curb ramps). Concrete flatwork for the top landings, transition areas and ramping areas outside the border surrounding the truncated domes, and additional twelve inch (12”) wide borders at the top of the secondary ramping areas will NOT be included in the measurement for pedestrian acce ss ramps (or curb ramps), but WILL BE measured and paid for with PCC Sidewalk. If integral curbs and hand railings are required for pedestrian access ramps (or curb ramps), that work shall be included in the price paid for pedestrian access ramp (or curb ramp) as shown in the bid. Full compensation for any necessary work required to perform the construction operations specified or shown on the Plans, including clearing and grubbing, earthwork, subgrade preparation, placing reinforcing steel and dowels, constructing a landing area in the street at the bottom of pedestrian access ramps (or curb ramps), installing detectible warning surface pads, constructing integral curbs and handrails, and st rictly complying with all ADA standards, will be considered as included in the per each price bid for PCC Pedestrian Access Ramp (or PCC Curb Ramp) and no additional compensation will be allowed therefore.
PCC Cross gutter shall be measured and paid for by the square foot as stated in the BID SCHEDULE. Quantities of cross gutter will be measured along the line of the gutters and spandrels and include the monolithic curb around curb re turns and across curb ramps, between adjacent concrete improvements covered by separate items in the bid, such as curb and gutter and curb ramps.
Only the top surface of the monolithic curb will be included in the measurem ent. Full compensation for any necessary work required to perform the co nstruction operations specified or shown on the Plans, including clearing and grubbing, earthwork, subgrade preparation, installing joints per SDRSD Nos. G-9 and G-10 (“SIDEWALK JOINT LOCATIONS ” and “CONCRETE JOINT DETAILS ”), depressing curbs for curb ramps, constructing a landing area in the spandrel at the bottom of the ramp, shaping the gutter and spandrel for proper drainage so water does not pond in front of the curb ramp landing, and water testing for proper drainage patterns, will be considered as included in the square foot price bid for PCC Cross Gutter and no additional compensation will be allowed therefore.
For other items of work that include concrete construction for which there is no bid item, the cost of such items shall be included in the related Bid Items. Full compensation for any necessary work required to perform the construction operations specified or shown on the Plans will be considered as included in the price bid for the related items of work and no additional compensation will be allowed therefore.
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303-6 STAMPED CONCRETE.
303-6.2 Concrete Placement.
Replace the last sentence in this subsection to read as follows:
The minimum size aggregate shall be ¾”. Concrete shall be tamped before stamping.
303-6.3 Pattern.
Modify the first paragraph in this subsection to read as follows:
303-6.3 Pattern. The stamped concrete shall be a “running bond brick” pattern. The pattern shall be implanted, indented, imprinted, or stamped into the surface by means of forms, molds, or other approved devices. The impressions shall be approximately 3/8” in width, not to exceed one-half inch (½”) in depth and be ungrouted unless otherwise spec ified. Expansion joints and control joints shall be located so as not to disrupt the pattern. Medians shall be stamped such that the continuous lines of the pattern are approximately perpendicular to the curb lines and the staggered lines of the pattern are approximately parallel to the curb lines.
303-7 COLORED CONCRETE.
303-7.1 General.
Modify the first sentence to read as follows:
Colored concrete shall be Scofield pigment co lor “Sorrento Red #5059” produced by Method B (Integral Color) as specified below.
303-7.5 Measurement and Payment.
Add the following new subsection:
303-7.5 Measurement and Payment. The payment for stamped, colored concrete shall be made at the price per square foot shown in the Bid. The Bid price shall include full compensation for all work required to stamp and color the concrete in the median strip, including, but not limited to, providing a sample before performing the work, supplying pigments and other materials, placing the colored concrete, stamping the concrete with the appropriate tools, finishing and curing the colored concrete with the required “Sorrento Red #5059” curing compound, and sealing the colored concrete per the recommendations of the colored pigment manufacturer; and all other materials, labor, and equipment necessary to properly construct all the stamped, colored concrete, and no additional compensation will be allowed.
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SECTION 306 – OPEN TRENCH CONDUIT CONSTRUCTION
306-3.2 Removal of Surface Improvements.
Modify this subsection to read as follows:
306-3.2 Removal of Surface Improvements . Bituminous pavement, concrete pavement, landscaping, fences, curbs, sidewalks, or driveways removed in connection with construction shall be removed and reconstructed in accordance with these specifications.
306-5 DEWATERING.
Add the following paragraphs to this subsection:
The groundwater removal work shall include furn ishing, installing, and operating a dewatering system capable of dewatering any excavation for any work in progress or planned, and subsequent removal of such equipment from the site.
The Contractor shall limit the area to be excavated at any one time to that area which can be properly dewatered by the equipment in use. The equipment in use shall be both capable of removing any water that accumulates in the excavation and maintaining the excavation in a dry condition while construction is in progress. The surface of the ground shall be sloped away from the excavation or temporary dikes or pipe culverts provided to prevent surface water from entering the excavation.
Disposal of the water from the dewatering system shall be in such a way as not to damage or overload the existing drainage facilities in the area. Protect from injury any portion of the Work completed or in progress, surfaces of streets, lawns or private property. No water shall be directed across a public street outside the construction limits.
All water encountered during the excavation shall b e d i s p o s e d o f b y t h e C o n t r a c t o r i n s u c h a manner as will not damage public or private property or create a nuisance or health menace. The Contractor shall furnish, install, and operate pumps, pipes, appliances, and equipment of sufficient capacity to keep all excavations free from water un til the excavation is backfilled, unless otherwise authorized by the Engineer. The Contractor shall pr ovide all means or facilities necessary to conduct water to the pumps.
Discharge of pumped groundwater shall be in conformance with the requirements of the Regional Water Quality Control Board, the County of San Diego Department of Environmental Health, the City of Vista, and other agencies having jurisdiction. The Contractor shall obtain all required permits before pumped water from naturally occurring groundwater or from rainfall is discharged to any storm drain or sewer. A means shall be provided for desilting the water before discharging it where required by the Engineer or by the terms of the discharge permits.
306-12 BACKFILL.
306-12.1 General.
Add the following after the second paragraph in this subsection:
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Material obtained from the project excavations ma y only be used as backfill after it has been determined to be acceptable and approved by the Geotechnical Engineer and the Engineer.
306-12.2 Backfill for Narrow Trenches.
Modify the first paragraph of this subsection to read as follows:
306-12.2 Backfill for Narrow Trenches. All narrow trenches for electrical and irrigation work shall be backfilled immediately after inspection and approval of the conduit placement by the Agency Inspector to minimize the length of time traffic control is required for the trench work. Narrow trenches a r e d e f i n e d a s t e n i n c h e s ( 1 0 ” ) o r l e s s i n w i d t h . B a c k f i l l f o r n a r r o w t r e n c h e s s h a l l b e p l a c e d a s specified in Subsection 306-12.1 (“General.”) except as modified herein. Narrow trenches shall be backfilled by use of trench backfill slurry per Subsection 201-1 (“PORTLAND CEMENT CONCRETE. ”), unless otherwise approved by the Engineer. Asphalt Concrete resurfacing of the trench per City of Vista Standard Drawings SRF-08A and SRF-08B (“TRENCH PAVING STANDARD”) may commence with other paving operations.
306-12.4 Jetted Trench Backfill.
306-12.4.2 Compaction Requirements.
Replace the first paragraph in this subsection with the following:
306-12.4.2 Compaction Requirements . Except as specified otherwise, trench bedding and backfill densified thru jetting shall be densified to a minimum ninety percent (90%) relative compaction.
306-14 MEASUREMENT.
306-14.7 Valves, Hydrants, Buried Stru ctures, and Pipeline Appurtenances.
Add the following after the first paragraph in this subsection:
Water valves and fire hydrants shall be insta lled as shown on the Plans, installed per Vista Irrigation District (VID) standards, and inspected by VID.
Relocate Fire Hydrant shall consist of trenching, removing existing fire hydrant and lateral up to the main line tee, installing a blind flange on the terminated tee, installing new tee on main line, six- inch (6”) PVC lateral, concrete thrust blocking, PVC elbow, PVC extension spool, break off check valve, extension spool, reinstalling existing fire hydrant to the location shown on the Plans, trench restoration, painting fire hydrant, and other Work necessary to provide a fully functional and operational fire hydrant to VID Standards.
306-14.8 Temporary Resurfacing
Modify this subsection to read as follows:
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Unless otherwise specified, temporary resurfacing will not be measured separately for payment.
306-15 PAYMENT.
306-15.9 Temporary Resurfacing.
Modify the first paragraph in this subsection to read as follows:
Full compensation for the furnishing, placing, maintaining, removing, and disposing of temporary resurfacing materials shall be included in the unit price of the underground conduit.
306-15.10 Water Improvements.
Add the following new subsections:
306-15.10 Water Improvements. The BID SCHEDULE lists water improvement bid items for Relocate Fire Hydrant, new Ten Inch (10”) Gate Valve, and new Six Inch (6”) Gate Valve. Payment for these bid items shown on the BID SCHEDULE will be made by the bid price per each and shall include disinfection, testing, depressurizing water main, installing and maintaining highline, and cathodic protection. Such bid price shall include full compensation for these bid items to be fully functional and operational to VID Standards and Water Agencies St andards and no additional compensation will be allowed therefore.
Add the following new Section:
SECTION 312 – MISCELLANEOUS
312-1 RESIDENTIAL MAILBOX.
312-1.1 General.
The work shall consist of removing, temporarily relocating, and finally replacing with new mailbox posts, platforms, mailboxes, mounting plate and lag bolts for all existing mailboxes to be impacted by the construction. In the event that the homeowner wants the existing mailbox reinstalled, the CONTRACTOR shall reinstall the existing mailbox instead of supplying new mailbox. Decorative mailboxes made out of materials that cannot be readily replaced will be salvaged to the homeowner.
The CONTRACTOR shall determine such locations for temporary relocations and final placement of the mailbox, after consultation with the homeowner of the property, the ENGINEER, and the local Post Office.
New mailboxes with a four inch by four inch (4”x 4”) pressure treated post, a one and one-half inch (1-1/2”) thick redwood or pressure treated wood support and galvanized lag bolts shall be installed in accordance with the details shown on City of Vista Standard Drawing SRF-04 (“MAILBOX INSTALLATION DESIGN IN SIDEWALK ”). Mailboxes, posts, and hard ware shall be per Subsection 218-1 (“RESIDENTIAL MAILBOX.”) of these specifications.
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Some existing mailboxes consist of multiple units serving two or more residences. These mailbox clusters shall be installed with new individual mailboxes mounted on a similar cluster style mounting plate. If the multiple unit is a standard metal style group mailbox, then the CONTRACTOR shall reinstall the group mailbox.
Prior to purchasing the new mailboxes the CONTRACTOR shall submit shop drawings to the ENGINEER for approval showing the manufacturer s catalog sheets and including all mounting and installation details.
312-1.2 Payment.
New Mailbox or Relocate Existing Mailbox shall be paid for per each bid price as shown on the BID SCHEDULE. Such price shall be paid for each mailbox serving an individual residence whether existing mailbox was relocated or replaced including cluster style grouped mailboxes and shall include full compensation for materials, labor, and equipm ent required for Mailbox and no additional compensation will be made.
SECTION 314 – TRAFFIC STRIPING, CURB AND PAVEMENT MARKINGS,
AND PAVEMENT MARKERS
314-2 REMOVAL OF TRAFFIC STRIPING AND CURB AND PAVEMENT MARKINGS. 314-2.1 General.
Replace the first sentence in the first paragraph with the following:
The Contractor shall remove all existing traffic striping, including existing striping that has been painted over with black paint, and pavement markings by wet or dry sandblasting, high velocity water jet, grinding, or other methods to accommodate the final pavement striping and markings to the fullest extent possible from the pavement that does not materially damage the surface or texture of the pavement or surfacing. Sand or other material deposited on the pavement as a result of removing traffic stripes and markings shall be removed as the Work progresses. Accumulations of sand or other material, which might interfere with drainage or might constitute a hazard to traffic, will not be permitted.
Add the following paragraph:
For resurfacing projects, yellow thermoplastic containing lead may be left in place and paved over if possible, to avoid issues related to removing and disposing of hazardous materials. If yellow thermoplastic must be removed, the Contractor sh all handle and dispose of the material as lead- bearing hazardous waste.
314-2.2 Measurement.
Delete this subsection in its entirety.
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314-2.3 Payment.
Replace this subsection in its entirety with the following:
314-2.3 Payment. Payment for removal of traffic striping, curb markings, and pavement markings will be made at the Lump Sum price or considered as included in the prices Bid for other related items of work.
314-3 REMOVAL OF PAVEMENT MARKERS.
314-3.1 General.
Replace the first sentence in the first paragraph with the following:
314-3.1 General. All existing raised pavement markers shall be removed before paving work proceeds and shall be performed in such a manner as to leave the existing pavement undamaged.
314-3.2 Measurement.
Replace this subsection in its entirety with the following:
314-3.2 Measurement. Removal of traffic striping and markings will be measured as a lump sum item.
314-3.3 Payment.
Replace this subsection in its entirety with the following:
314-3.3 Payment. Payment for removal of pavement markers will be considered as included in the prices Bid for other various bid items of Work and no additional compensation will be allowed.
314-4 APPLICATION OF TRAFFIC STRIPI NG AND CURB AND PAVEMENT MARKINGS. 314-4.3 Painting Traffic Striping and Curb and Pavement Markings. 314-4.3.1 General.
Replace the first sentence in the first paragraph with the following:
The work shall consist of applying painted (inc luding glass beads) traffic striping, curb and pavement markings, concrete wheel stops, and new red curb and blue curb at the locations shown on the Plans.
Add the following paragraphs:
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If a portion of a crosswalk or limit line is disturbed by construction, then the entire crosswalk or limit line shall be removed and replaced, or restriped.
All striping, RPM’s, and pavement markings that are disturbed by construction shall be replaced.
If the Plans or Project Exhibits show striping pl ans, all interfering striping and marking shall be removed, and new striping and marking shall be insta lled as shown on the plans. If no striping plans are provided, existing striping shall be replaced in kind.
All intersection limit lines, pavement legends, and crosswalks to be replaced shall be thermoplastic. Other striping shall be painted. New raised pavement markers shall be installed as required by the California Manual on Uniform Traffic Control Devices and the Caltrans Standard Plans, even if they were not previously on the street. Blue raised reflective pavement markers shall be installed at all fire hydrants.
The locations of all signs, including those to be relocated or replaced, must be approved by the Traffic Engineering Division of the Engineering De partment before placement. All signs shall be installed on metal sign posts, unless wood posts ar e specified. If wood posts are called out on the Plan, the posts shall be four inch by four inch (4” x 4”) pressure-treated unpainted wood, anchored in undisturbed soil a minimum of twenty-four inches (24”) below finished grade and backfilled with post- hole concrete above twenty inches (20”) of sand). If in sidewalk area, wood post backfill shall be four inches (4”) of concrete above twenty inches (20”) of sand or gravel, inside an eight inch diameter (8”ø) PVC sleeve. The installation of wood sign posts shall be rejected if posts are damaged, bent or splintered. Technical Provisions from these spec ifications shall take precedence over other specifications. If not otherwise specified, the wo rk required for Traffic Striping and Signing shall conform to these specifications.
For the Michigan Ave Parking lot Project, all signs installed on new posts shall be installed per the Plans. In addition, all sign posts installed in concrete sidewalk or other hardscape shall be installed per City of Vista Standard Drawing TRF-06 (“SIGN POST FOOTING IN HARDSCAPE”).
314-4.3.7 Payment.
Replace the subsection in its entirety with the following:
314-4.3.7 Payment . The quantities of traffic striping, signing and pavement markings shall be measured as a lump sum, complete in place, as shown on the Plans, and as specified in the BID SCHEDULE. Payment for bid items related to all striping , signing and pavement markings shall be at the lump sum or unit prices specified in the BID SCHEDULE and shall constitute full compensation for all materials, labor, equipment, tools, mobilization, clearing and grubbing, excavation, placing and removing temporary striping and striping tabs, painting legends, raised pavement markers and pavement markings, salvaging signs and delivering them to the Agency’s Public Works Yard at 1165 E. Taylor Street, installing new signs on new and existing posts or poles, providing, painting and installing concrete wheel stops, painting new red curb and blue curb, painting all parking stalls, handicap legends, and incidentals necessary as sp ecified, and no additional compensation will be allowed.
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PART 4 – EXISTING IMPROVEMENTS
SECTION 400 – PROTECTION AND RESTORATION
400-1 GENERAL.
Add the following paragraphs:
The Contractor shall exercise due care to avoid injury to existing improvements or facilities, utility facilities, signage, adjacent property, trees, turf, lawn and shrubbery that are to be relocated or not to be removed.
All trees, turf, lawn, and shrubbery that are not to be removed, and pole lines, fences, signs, survey markers and monuments, buildings and structures, conduits, pipelines under or above ground, sewer and waterlines, highway or street signs and facilities, and any other improvements or facilities within or adjacent to the Work shall be protected from damage. The Contractor shall provide and install suitable safeguards to protect su ch objects from damage. Relocations, repairs, replacements or reestablishments shall be equal to the existing improvements and shall match such improvements in finish and dimensions unless otherwise specified as approved by the Engineer.
In addition to any requirements imposed by law, the Contractor shall shore up, brace, underpin, and protect, as may be necessary, all foundations and other parts of all existing structures, and all portions of other existing facilities including waterlines, storm drains, and sewer lines, adjacent to and adjoining the site of the Work, which are in any way affected by the excavations or other operations connected with the performance of the Work.
The Contractor shall maintain all existing roadside mailboxes and official signs other than those called for removal, including but not limited to dire ctional, warning, advisory , regulatory and street markers. The mailboxes and signs shall be maintained in an erect and functional position and condition at all times during the construction period in either temporary or permanent location as designated by the Engineer. Any of these facilities which are damaged or lost shall be replaced by the Contractor at no cost to the Agency.
The Contractor shall maintain in operation all existing traffic sign als and street lighting for the benefit of the public during the progress of the Work. Existing electric services, traffic signal equipment, traffic signs, and street lights that are being replaced or relocated shall remain in service until the replacement facilities are installed and operational or useable).
All costs involved in protection and restoration of existing improvements shall be included in related items of work and no additional compensation shall be allowed therefore.
SECTION 401 – REMOVAL
401-1 GENERAL
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Delete this subsection in its entirety and replace with the following:
Unless otherwise specified, materials removed shall be considered the property of the Contractor and shall be properly disposed of outside the Work area by the Contractor. The Work area shall be left with a neat and finished appearance.
401-2 ASPHALT CONCRETE PAVEMENT.
Delete this subsection in its entirety and replace with the following:
Bituminous pavement and all paving fabric within the prescribed thickness to be removed shall be removed to clean, straight lines. Sawcutting of edges to be joined is required, unless the entire pavement section is removed by cold milling. Where only the surface of existing bituminous pavement i s t o b e r e m o v e d , t h e m e t h o d o f r e m o v a l s h a l l b e c o l d m i l l i n g o r o t h e r m e t h o d a p p r o v e d b y t h e Engineer, and a minimum laying depth of one and one-half inches (1-1/2”) of new pavement material shall be provided at the edge of new pavement. Where new bituminous pavement adjoins existing pavement, either at a trench or a section where pavement has been removed or is being widened, the edges where new pavement meets existing pavement shall be trimmed to neat straight lines and cold milled a minimum of one and one-half inches (1-1/2”) deep for a minimum of six inches (6”) wide from the edge before paving or resurfacing, to ensure that all surfaces being paved or resurfaced are accessible to the rollers used to compact the subgrade or paving materials, and to provide an overlay key at the join line.
401-3 CONCRETE AND MA SONRY IMPROVEMENTS.
401-3.1 Concrete Pavement.
Modify the first two sentences of this subsection to read as follows:
Concrete pavement shall be removed to neatly sawed edges. Sawcuts shall be made to a minimum depth of three inches (3”).
401-3.2 Concrete Curb, Walk, Gutters , Cross Gutters, Curb Ramps, Driveway, and Alley Intersections.
Modify the first sentence of this subsection to read as follows:
Concrete shall be removed to neatly sawed edge s with saw cuts made to a minimum depth of three inches (3”).
Modify the last sentence of this subsection to read as follows:
Curb and gutter shall be sawed to a minimum depth of three inches (3”), or otherwise as required to prevent damage to the adjacent concrete to remain, on a neat line at right angles to the curb face.
SECTION 402 – UTILITIES
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402-1 LOCATION.
402-1.1 General.
Modify the first sentence of the second paragraph of this subsection to read as follows:
At least two (2) Working Days (48 hours minimum), but not more than fourteen (14) days, prior to any potholing or excavating, the Contractor shall contact Underground Service Alert of Southern California at 811-422-4133 or 800-422-4133 for a Dig Alert I.D. Number and shall ensure that all existing underground utilities have been marked by their owners prior to any potholing or excavating.
Section 4216 / 4217 of the Government Code requires a Dig Alert I.D. Number to be issued before a “Permit to Excavate” will be valid.
Replace the third, fourth, and fifth paragraph with the following:
Unless specified otherwise as previously potholed, elevations shown on the Plans for existing utilities are based on a search of record information available during the design only and are solely for the Contractor’s convenience. The Agency does not warrant the accuracy of the completeness of the location, elevation or type of existing utilities and substructures shown on the Plans. The Contractor shall pothole (or by other suitable methods) and determine the location and depth of all utilities marked by their owners, and of all service connections and laterals, which may affect or be affected by the Contractor’s operations. The Contractor shall provide all survey necessary to locate the proposed alignment for potholing purposes. Said potholing shall be done ahead of trench excavation and pipe laying such that the information on horizontal location and depth, in the form of a tabulated pothole report with utility type, stations, top of pi pe elevation, and clearance from proposed facility profile, shall be given to the Engineer at least fourteen (14) Working Days ahead of trench excavation or other construction but not greater than thirty (30) Working Days ahead of construction in that area.
The Contractor shall pothole all underground utilities which are shown on the Plans, or marked in the field by utility owners, as being within five feet (5’) horizontal distance from the edge of any planned Project sewer main or lateral, water main or service, storm drain, electrical conduit, gas main, telephone and cable TV conduit, fiber optic conduit or irrigation conduit alignment, and which are within the trench excavation section or above the planned Project facility. The potholes shall be at all crossings of each utility and at one hundred foot (100’) intervals along each parallel utility. The Contractor shall refill these potholes immediately after establishing those locations. The refilling shall conform to the relative compaction requirements for trenches. In the event obstructions not shown on the Plans are encountered during the progress of the Work which will require alterations to the Plans, or if potholing indicates utilities are located other than as shown on the Plans, the Engineer shall change the Plans and order the necessary deviation from the Project planned line and grade. The Contractor shall not make any deviation from the specified line and grad e without approval by the Engineer. Should any deviations in the line and grade be permitted by the Engineer at the request of the Contractor, any additional costs for thrust blocks, valves, concrete, or other additional costs shall be borne by the Contractor. Full compensation for such work shall be considered as included in the prices bid for other items of work. No extension of time or additional compensation will be made for delays caused by failure of the Contractor to complete necessary potholing in a timely manner. The Contractor shall bear the cost of repairing or replacing any existing facility damaged by his potholing work, and shall have affected services back in operation within four (4) hours of interruption.
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402-1.2 Payment
Replace the subsection with the following:
402-1.2 Payment. The lump sum price for Utility Potholing in the BID SCHEDULE shall include all labor, materials, and equipment necessary to perform the work and document the results, and no additional compensation will be allowed. If no bid item is shown in the BID SCHEDULE the payment is considered to be included in the prices bid for various related items of the Work.
402-2 PROTECTION.
Modify the second paragraph to read:
The Contractor shall furnish and place the necessary protection at its expense to ensure support of utilities located as shown on the Plans or in accordance with 402-1. Any damage to a utility shall be repaired by the Contractor to the satisfaction of the organization owning the facility at no additional cost to the Agency. The Agency reserves the right, if so requested by the utility owner, to permit the utility owner to repair such damage, and all expens es of whatever nature arising from such damage shall be borne by the Contractor.
Modify the third paragraph to read:
Upon learning of the existence and location of any underground utility main structures omitted from or shown incorrectly on the Plans, the Contractor shall immediately notify the Engineer and utility owner in writing. When authorized by the Engi neer, support or protection of the utility main substructure will be paid for as provided in Subsection 7-3 or 7-4.
Add the following paragraph to this subsection:
During construction of the Work, some of the existing utilities may fall within the prism of trenches.
If the existing utility does fall within the Contractor’s trenches, the utility involved shall be supported properly by the Contractor to the satisfaction of the utility owner. The method of support of the utility, precautions to be taken during trench backfill and compaction, etc., shall be per the utility owner’s requirements. The cost to support and protect existing utilities shall be included in the various bid items and no additional compensation shall be allowed. The Contractor shall contact the utility owner should it anticipate such exposure of any of the existing utilities.
402-4 RELOCATION.
Modify the third paragraph to read:
The Contractor shall alter, relocate, or reconstruct all fire hydrants, traffic signal and street light pullboxes, sewer cleanouts and manholes, storm drain cleanouts and manholes, and other surface and subsurface structures owned by the City of Vista or by the City of Oceanside, or those facilities required in the Plans or Specifications to be altered, relocated, reconstructed, or adjusted to grade. 08/26/2025
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Payment for this work shall be as shown in the BID SCHEDULE. If no item is included in the Bid for this work, the cost for this work shall be included in the related items of Work. Temporary or permanent relocation or alteration of utilities requested by the Contractor for its convenience shall be its responsibility and it shall make all arrangements and bear all costs.
All water valve covers and meter boxes owned by VID; CP Test Station covers; electrical utility vaults and transformers; gas utility valve covers; telecommunication vaults, manholes and risers; and other surface and subsurface structures, not owned by the City of Vista, or required in the Plans or Specifications to be relocated or adjusted to grade “By Others”, shall be relocated or adjusted to grade by the owner of the respective utility. The Contractor shall notify each utility owner a minimum of two (2) Working Days before commencing the Work near their facilities.
Modify the fourth paragraph to read:
The utility owner will alter or relocate service connections as necessary within the limits of the Work or within temporary construction or slop e easements. For sewer and water services, the Contractor shall arrange for the alteration or relocation of service connections as necessary between the sewer main or the water meter and property line, or between the sewer main or the water meter and the limits of temporary construction or slope easements. In all cases of alteration or relocation of service connections, the Contractor shall notify residences being affected a minimum of four (4) hours prior to said alteration or relocation, and service connections shall be returned to service in no more than four (4) hours. Payment for the alteration or relocation of sewer or water service connections shall be as shown in the Bid Schedule. If no item is included in the Bid for this work, the cost of this relocation shall be included in the Bid for the items of Work necessitating such relocation. Payment for the relocation of other utility service connections, when directed by the Engineer, shall be in accordance with 7-3 or 7-4. Payment will include the restoration of all existing improvements which may be affected thereby. The Contractor may agre e with the owner of any utility to disconnect and reconnect interfering service connections. The Agency will not be involved in any such agreement.
402-6 COOPERATION.
Modify the first paragraph to read:
The Contractor shall so conduct its operations as to permit access to the Work site and provide time for utility work to be accomplished during the progress of the Work. The Agency has initiated communication with the appropriate utility companies that provide for the various service connections or utility relocations and adjustment s as noted on the Plans. The responsibility for coordination with utility companies will be transferred to the Contractor with the Notice to Proceed and the Contractor shall assume the responsibility for all further coordination with the utility company. The Contractor shall be responsible for maintaining contact with the utility company representatives and providing necessary effort in scheduling utility work so that delays in overall construction schedule are avoided and utility services are in place for connection upon completion of Contract construction.
Add the following paragraphs to this Subsection:
The Contractor shall be responsible for coordinating with utility companies and other public service agencies, as necessary, to assure timely relocation or adjustment of franchise utilities and other 08/26/2025
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facilities within the specified Contract completion time. The Contractor shall schedule his work to accommodate the adjustments, relocations and / or replacements, to avoid interference with the Contractor's work. The Contractor is required to contact the following organizations (as appropriate for the Project) prior to the start of the Work for updates to the status of the utility work, and for details regarding their respective schedules and requirements (i.e. inspections, etc.).
COMPANY UTILITY CONTACT TELEPHONE EMAIL
Vista Sanitation District Sewer Ken Knatz 760-643-5416 [email protected] Buena Sanitation District Sewer Ken Knatz 760-643-5416 [email protected] City of Vista Well Water
City of Vista Storm Drain Chris Arce 760-643-5459 [email protected] City of Vista Traffic Signal Chris Arce 760-643-5459 [email protected] City of Vista Street Lights Chris Arce 760-643-5459 [email protected] City of Vista Fiber Optic Communication Chris Arce 760-643-5459 [email protected] Vista Irrigation District Water Engineering 760-597-3116 [email protected] City of Oceanside Utilities Water and Sewer Cari Dale [email protected] City of Oceanside Utilities Contracts John McKelvey [email protected] Vallecitos Water District Water and Sewer Lee Kirby 760-744-0460 [email protected] SDG&E Electric Keenon Holmes 858-654-8602 [email protected] SDG&E Gas Vincent Vargas 619-214-2961 [email protected]
SDG&E Street Lights Nicole Brodbeck 858-636-6832 [email protected] AT&T Tele Communications Kristy McClaskey 760-489-3115 [email protected] Cox Communications Tele Communications Debra Capter 619-266-5217 [email protected] Charter Communications Tele Communications Michael Estrada 619-341-0516 [email protected] Charter Communications Tele Communications Peter S. Crampton 619-207-7513 [email protected] Crown Castle Tele Communications Andrew Armstron g 760-613-4671 Andrew.armstrong @crowncastle.com NCTD Bus / Railroad Ruth H. Mbah 760-967-2834 [email protected] NCTD Bus / Railroad ALT Dept. Email [email protected]
The Contractor shall contact the organizations at the beginning of the Project, obtain information on their requirements, provide them a construction schedule that meets their requirements, update the construction schedule on a weekly basis, meet with the company representatives, provide an adequate construction window and a clear area for them to work, document meetings and coordination efforts, provide copies of all correspondence and other documentation to the Agency on a weekly basis, and perform all other necessary coordination work to the satisfaction of the organizations and the Engineer. Notifications by the Contractor shall be in writing, with proof of receipt.
Copies of each notification and proof of receipt shall be submitted to the Engineer.
SECTION 403 – MANHOLE ADJUSTMENT AND RECONSTRUCTION
403-1 GENERAL.
Modify this subsection to read as follows:
Utility valve, manhole, and vault frames and covers within an area to be paved or graded will be set by the owners thereof to finished grade. Th e Contractor shall adjust all storm drain manholes, sewer cleanouts and manholes, water valve sleeves and covers not adjusted by the owner, survey monument covers and other miscellaneous facilities requiring adjustment to the finished grade, unless the adjustment is designated as “By Others”, in accordance with the Contract Documents. Existing 08/26/2025
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manholes shall be ramped with a minimum of ten feet (10’) round with temporary asphalt. Temporary asphalt ramps shall be completely removed prior to asphalt overlay. The area around each manhole must be compacted prior to paving. Contractor sha ll be responsible to provide all riser rings, grade rings, slip cans and/or sleeves needed for adjustments. The Contractor shall coordinate with the various utility companies to ensure that the utility companies complete their adjustment work prior to the completion of the Work.
The Contractor shall exercise care so that surface materials such as rocks, dirt, and debris do not enter sewer lines, manholes, valve and cleanout sleeves, and other utility facilities. In order to prevent contamination, Contractor shall provide a three-quarter inch (3/4”) thick plywood platform to be placed on the concrete shelf at the bottom of sewer manholes prior to starting adjustment work. The shape of this platform shall conform to the circumference of the inside wall at the shelf elevation. After the manhole had been adjusted, the material accumulated on the plywood shelf along with the plywood shelf shall be removed from the manhole and disposed of in accordance with Subsection 401 (“REMOVAL.”) The Contractor shall remove all debris from the interior of manholes, valve covers, and cleanouts and shall clean all foreign material from the top of the frames and covers. The Contractor shall include all costs in the related items of work, and no additional compensation will be allowed.
Add the following new paragraph(s) to this subsection:
For the Michigan Ave Parking Lot Project, there is an existing water meter that will need to be adjusted to proposed grades and the meter box replaced with a traffic rated grate. This may require coordination with VID as directed by the city engineer. Also, since this used to be a single-family lot where the house has been removed, any remaining water lines may need to be abandoned or removed and will be cover by the unforeseen bid item
403-2 MANHOLES IN CONCRETE PAVEMENT.
Modify this subsection to read as follows:
Manholes in asphalt concrete pavement shall be set to finish grade in accordance with provisions of 403-3. In the case of Portland cement concrete pavement, manhole frames shall be set to finish grade before paving. Repaving required as a result of reconstructing or adjusting all manhole and vault frames and covers to grade shall be the responsibility of the Contractor and the cost thereof shall be included in the bid item for pavement.
403-3 MANHOLES IN ASPHALT CONCRETE PAVEMENT.
Add the following paragraphs to this subsection:
The Contractor shall mark out and note locations of all manholes, covers, survey monuments, vaults, and other structures located at the street surface before paving operations commence. As the paving operation proceeds, the Contractor shall mark all manholes and other structures with paint for the owner’s ease in locating them in case of an emergency.
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The Bid Schedule lists separate bid items for the adjustment of [utility manholes and valve covers owned by other agencies, sewer cleanouts, water valve sleeves and covers, CP Test Station covers, survey monument covers, etc.] and other miscellaneous facilities requiring adjustment to the finished grade. Separate bid items are included for adjusting manholes to grade using cast-iron riser rings and using pre-cast concrete grade rings. The Contractor shall adjust all facilities to grade as required to complete the work in accordance with the standards of the facility owner, unless those facilities are designated to be adjusted to grade “By Others”.
The Contractor shall adjust all storm drain manholes, sewer cleanouts and manholes, water valve sleeves and covers, survey monument covers and other structures requiring adjustment to the finished grade within the areas to be paved or planted in accordance with these Project Specifications and the Standard Specifications. The Contractor shall co ordinate the adjustment of the covers with the associated utility owner and make sure the util ity covers are uncovered and adjusted to grade immediately after the final paving to maintain acce ss in case of an emergency. Frames and covers may need to be temporarily adjusted to be safe and provide access to the utilities during separate base course and surface course paving operations, but only the final adjustment will be a pay item.
Repaving required as a result of reconstruction or adjusting frames and covers to grade shall be the responsibility of the Contractor and the cost thereo f shall be included in the bid price paid for the related items of work requiring such adjustment.
Sewer and storm drain manholes belonging to Vi sta shall be adjusted or reconstructed in accordance with the Vista Sewer System Design Standard Specifications. Manholes are either twenty- four inch (24”) single covers or thirty-six inch (3 6”) two-piece covers. Some manholes have existing cast-iron adjustment rings. For manholes that are in good condition and have no more than one cast- iron adjustment ring, the Contractor may adjust the manholes to grade using another cast-iron adjustment ring, for a maximum of two cast-iron rings. If the grout around the upper precast concrete riser rings or the frame is defective, the Contractor shall adjust the manhole to grade by removing the cover and frame, salvaging the cast-iron rings, and removing the precast concrete rings until the grout in the remaining precast concrete rings is in good condition, as determined by the Engineer. Then the Contractor shall adjust the frame and cover to grad e using new precast concrete riser rings. If the cover is sitting low in the existing frame or adjustment ring, or the frame or cover is defective, the Contractor shall salvage the existing frame, cover, and rings, supply a new frame and cover, and adjust the new frame and cover to grade using precast concrete riser rings. If any manhole is defective to the extent that it requires fifteen inches or more (15”+) of pre-cast concrete riser rings to adjust the cover to grade, the Contractor shall reconstruct the manhole as described in the Specifications.
The Contractor shall exercise care so that surface materials such as rocks, dirt, and debris do not enter sewer lines, manholes, valve and cleanout sleeves, and other utility structures. In order to prevent contamination, Contractor shall provide a three-quarter inch (3/4”) thick plywood platform to be placed on the concrete shelf at the bottom of sewer manholes prior to cold milling pavement work.
The shape of this platform shall conform to the circumference of the inside wall at the shelf elevation.
After the manhole had been adjusted, the material accumulated on the plywood shelf along with the plywood shelf shall be removed from the manhole and disposed of in accordance with Section 401 (“REMOVAL.”) The Contractor shall remove all debris from the interior of manholes, valve covers, and cleanouts and shall clean all foreign material from the top of the frames and covers.
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Within five (5) Working Days of placing the asphalt concrete, the Contractor shall complete the adjustment of the manholes and miscellaneous utility frames and covers to grade. Immediately after the overlay operation, the Contractor shall mark all manhole and miscellaneous utility frames and cover locations with paint for ease of locating them in case of an emergency.
The tops of reset manholes and miscellaneous utility frames and covers shall meet the smoothness requirements as specified in Subsection 302-5.12 (“Smoothness.”) and be reconstructed per the City of Vista Standard Drawing SWR-33 (“SEWER MANHOLE RECONSTRUCTION”).
403-5 PAYMENT.
Modify this subsection to read as follows:
Payment for adjusting manhole frames and covers to grade, where the difference between the lowest point of manhole riser removal to the final elevation of the top of the frame is less than 15 inches or where the adjustment is accomplished by adjustment rings only, will be made at the Contract unit price for adjusting each manhole frame or cover, using either cast-iron riser rings or pre-cast concrete grade rings.
Payment for adjusting manhole frames and covers to grade, where the difference between the lowest point of manhole riser removal to the final elevation of the top of the frame is 15 inches or more, will be made at the Contract unit price for reconstructing each manhole frame or cover . The work includes, but is not limited to, performing all necessary demolition, disposal, clearing and grubbing, excavation, base removal and replacement per these specifications, asphalt concrete removal and replacement per these specifications, modification of the manhole, Contractor’s Pollution Liability insurance, Transporters Pollution Liabilit y Insurance, Sewage Spill Prevention and Response Plan, Wastewater Flow Diversion Plan, and all other required appurtenances, and performing all other work required to produce a complete and fully fu nctional sewer manhole system, as shown on the Plans and as specified herein.
If no payment provision for manhole or vault adjustment or reconstruction is made, payment for such work will be considered included in the rela ted items of work, and no additional compensation will be allowed.
SECTION 404 – COLD MILLING
404-1 GENERAL.
Modify the first paragraph of this subsection to read as follows:
The type of pavement and depth to be cold milled shall be as shown on the Plans or Specifications. All paving fabric within the milling depth shall be removed and disposed of properly.
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pavement shall be neat and uniform. The Contractor shall remove existing asphalt concrete overlay or slurry seal material within one foot of the edge of concrete gutters adjacent to any area to be cold milled. The removal procedure and equipment to be used shall be approved by the Engineer.
Add the following paragraphs to this subsection:
For resurfacing, the existing asphalt concrete pavement shall be cold milled for pavement removal, header cuts and edge cuts, as detailed on the Plan s and in the City of Vista Standard Cold Milling Details. The Contractor shall cold mill pavement adjacent to all concrete gutters, median curbs, AC Berms, speed humps or bumps, across intersecting si de streets, and at the project limits. The cold milled area for edge cuts and header cuts on low-volume side streets will be at the width shown on the Plans, or a minimum of four feet (4’) wide, and tapered from the one and one-half inches (1-1/2”) minimum depth to a depth of zero inches (0”). Header cuts for high-volume side streets and across the main street will be a minimum of ten feet (10’) wide, tapered from one and one-half inches (1- 1/2”) minimum depth to zero inch (0”) depth.
The Contractor shall cold mill around drain grates in the street, to maintain positive drainage toward the drainage structure after new asphalt concrete is placed. Prior to cold milling, the Contractor shall provide covers over all existing storm drain grates and inlets to prevent entry of debris.
The pavement removal thicknesses and resurfacing thicknesses may exceed the thickness of the existing asphalt concrete pavement. The contractor shall remove asphalt concrete, paving fabric, base, subbase, and subgrade materials to the spec ified depth, using cold milling or other removal methods. The Contractor shall be prepared to pe rform the required cold milling, removals, subgrade preparation, and compaction work before pavement is replaced, whether the existing asphalt concrete pavement section is thicker or thinner than the specified asphalt concrete pavement section.
Contractor shall furnish one or more cold milling machines operated by experienced workmen.
The surface produced shall have a tolerance so that a ten-foot (10’) straight edge laid laterally will indicate variance of less than three-sixteenth of an inch (3/16”). Removal shall consist of: (1) planning and cutting the pavement to form a keyway header cut; and (2) removing the loosened material.
Loosened material shall be stored on the property of the Contractor and shall be disposed of off-site at the end of each workday.
Directly following the cold milling operation, all asphalt pavement joints within travel lanes that have vertical separation of more than one-half inch (1/2”) shall be ramped with temporary asphalt concrete. Ramps shall be no less than ten feet (10’) in length from the joint and shall extend across all travel lanes. Temporary asphalt ramps shall be completely removed and disposed of the job site prior to overlay application.
404-8 DISPOSAL OF MILLINGS.
Delete this subsection in its entirety and replace with the following:
Unless otherwise specified, millings including all hazardous and non-hazardous paving fabric shall be considered the property of the Contractor and shall be properly disposed of off the Work site by the 08/26/2025
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Contractor. Disposal sites may require that the paving fabric be separated from the asphalt concrete prior to acceptance.
Prior to acceptance of the work, the Contractor shall sweep and/or remove all loose material created by the work from streets, gutters, curbs, me dians, parkways, sidewalks, intersecting streets, adjacent lots, and driveways.
404-9 TRAFFIC SIGNAL LOOP DETECTORS.
Add the following to this subsection:
The Contractor shall notify the Engineer a minimum of three (3) Working Days prior to the start of cold milling asphalt concrete pavement on any street containing traffic signal loop detectors.
404-10 PAVEMENT TRANSITIONS.
Modify this subsection to read as follows:
404-10 PAVEMENT TRANSITIONS. The Contractor shall trim edges with a saw to neat straight lines at all locations where new asphalt concrete pavement is joining or overlaying existing asphalt pavement. The Contractor shall also cold mill the edge a minimum of one and one-half inches (1 1/2”) deep for a minimum of six inches (6”) wide from the existing edge before paving or resurfacing. These measures are required to ensure that all surfaces being paved or resurfaced are accessible to the rollers used to compact the subgrade or paving materials, and to provide an overlay key at the join line. All temporary structures and vertical joints in the cold-milled area which are transverse to through traffic and greater than one inch (1”) in height, shall be ramped with temporary asphalt concrete pavement as specified in Subsection 306-13.1 (“ Temporary Resurfacing. ”). Ramps shall be constructed the same day as cold milling and removed the same day as permanent paving is installed.
Ramp dimensions and compaction shall be approved by the Engineer.
404-11 MEASUREMENT.
Modify this subsection to read as follows:
404-11 MEASUREMENT. Quantities of cold milling shall be measured as shown in the Bid Schedule.
404-12 PAYMENT.
Modify this subsection to read as follows:
404-12 PAYMENT. Full compensation for any necessary cold milling, separation of asphalt concrete and paving fabric, disposal of millings, disposal of paving fabric, and construction, removal and disposal of temporary asphalt concrete ramps required to perform the construction operations 08/26/2025
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specified or shown on the Plans will be considered as included in the price bid for related items of work, and no additional compensation will be allowed therefore.
PART 5 – PIPELINE SYSTEM REHABILITATION
SECTION 500 – PIPELINE REHABILITATION
500-1 GENERAL.
Add the following paragraphs to this subsection to read as follows:
Pipeline rehabilitation construction of existing sewer shall be conducted using one of the following:
1. Cured-In-Place Pipe Liner (CIPP) shall conform to Subsection 500-5.5 (“Cured-In-Place Pipe (CIPP) Liner.”).
2. Folded and Re-formed PVC Pipe Liner shall conform to Subsection 500-5.10 (“Folded and Re- formed PVC Pipe Liner.”).
3. Deformed / Re-formed HDPE Pipe Liner shall conform to Subsection 500-5.7 (“Deformed / Re- formed HDPE Pipe Liner.”).
All structural requirements as they pertain to each specific installation shall be approved by the CITY prior to installation. The Contractor shall comp ly with all confined space entry, and other safety regulations, including but not limited to CalOSHA, OSHA and NIOSH.
The Contractor shall demonstrate that a minimum of five (5) miles, on a single project, of work similar in scope, has been successfully performed by the Contractor using the Contractor’s proposed rehabilitation system for this Project. Should CIPP be utilized, the past project shall have used the proposed resin and felt combination. The Contractor’s Project Manager and Superintendent shall be assigned full time to this Project and be present in the City while WORK is being performed. The proposed Rehabilitation process shall be proven technology, which is defined as a minimum of 500,000 linear feet of successful wastewater collecti on system installations in the U.S. and must be documented to the satisfaction of the Agency.
The Rehabilitation installation work done under this specification shall be subject to inspection by the Engineer. All parts of the work shall be accessible to the Engineer. Defective work shall be corrected to the satisfaction of the Engineer.
500-1.1 Design Criteria and Testing Requirements.
Add the following paragraphs to this new subsection to read as follows:
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500-1.1 Design Criteria and Testing Requirements. All pipe shall be designed per ASTM 1216 and 1743. All design calculations shall be provided to the Agency in the form of a submittal for review.
The lining system utilized shall incorporate a se amless or fused (chemically or heat) seamed liner system between manholes and shall be a tight molded liner with an annulus gap not greater than one- thirty-secondth of an inch (1/32”).
The cut ends of the mainline liner inside manhole shall be fully sealed between host pipe and the liner.
500-2 SUBMITTALS.
Add the following paragraphs to this subsection:
Within ten (10) days of the bid opening, the assumed Contractor (apparent low bidder) shall submit manufacturer’s certificate(s) indicating that the supplied materials meet the requirement of the Specifications, and a certificate of compliance from an independent, third party lab that proposed resin / tube composite meets the chemical resistance requirements of ASTM D5813 and that the creep reduction factor used for the long term flexural modulus calculation has been verified by testing per ASTM D790.
The installation of the sewer lining and lining of the service connections shall be performed by a Contractor licensed / certified by the manufacturer of the process. The assumed Contractor (apparent low bidder) is required to submit for all manufacturers for which they are licensed / certified a copy of the license and a letter from the manufacturer stating the name, address, point of contact, and telephone number for Agency’s verification. Failure to provide this complete documentation within seven (7) calendar days of receipt of the Agency’s bid opening will be cause for delay of Contract award and will result in the bid being declared non-responsive.
Within ten (10) Working Days of issuance of th e bid opening, the assumed Contractor (apparent low bidder) shall submit contractual required documentation that a minimum of five (5) miles, on a single project, of work similar in scope, has b een successfully performed by the Contractor and its personnel assigned to the liner installation an d curing, utilizing the Contractor’s proposed rehabilitation system for this Project (see appendices (see list of Appendices in Table of Contents on
Project Manager, Superintendent, Foreman, etc.) that will be assigned to this Project and provide references in the format presented in said appendices (see list of Appendices in Table of Contents on
Project and be present while work is being performed.
Should CIPP be utilized, the past system would encompass the proposed resin and felt combination.
Within ten (10) Working Days of the bid opening, the assumed Contractor (apparent low bidder) shall submit contractual required documentation of 500,000 linear feet of successful wastewater collection system installations in the U.S. of th e proposed rehabilitation system to satisfy the contractual requirement of the products commercial viability and Contractor’s capability (see 08/26/2025
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appendices (see list of Appendices in Table of Contents on Page 2) for the required format for this submittal).
Within thirty (30) calendar days after Project Aw ard, the Contractor shall submit to the Agency Design Calculations for the pipe liner for approval . The Design Calculations shall be in accordance with ASTM F1216, Appendix X1 for fully deteriorated pipe. The pipe liner shall be designed to support hydraulic, soil, and live loads based on a minimum ten foot (10') burial depth to top of pipe and highway loading per AASHTO. If local conditions impose greater loads, the greater loads shall be used. Local conditions may include depth greater than ten feet (10’), railroad loading, groundwater or other loadings.
Prior to rehabilitation, the Contractor shall submit drawings of construction details and all other submittals per Subsection 3-8 (“Submittals.”). The shop drawings shall include the location, method of rehabilitation and when applicable, any by-pass locations with sufficient detail to assure that the work can be accomplished without any sewage spill.
At each repair location, at least two (2) Working Days prior to commencing the rehabilitation work, the Contractor shall submit written verification the sewer pipe sections to be rehabilitated are free of obstructions, debris and is suitable for performing the pipe liner restoration repairs.
500-3 CLEANING AND PR ELIMINARY INSPECTION.
500-3.2.2 Closed Circuit Televisi on (CCTV) System Equipment.
Delete this subsection in its entirety and replace with the following:
The camera source image shall provide a high re solution video with minimum thirty (30) frames per second producing a continuously-monitored high-q uality picture, capable of discerning all major and minor operational and structural defects in the pipelines.
The minimum video bit rate shall be 4.7 Mega bits per second (Mbps) and minimum audio bit rate shall be 128 Kilo bits per second (Kbps).
Video equipment shall include a multi-angle camera capable of spanning 360-degrees circumference and 270-degrees on horizontal axis.
Video inspection shall be performed utilizing one of the following video camera systems:
1. Remote-focus stationary lens cameras;
2. Rotating-lens cameras; or
3. Pan-and-tilt cameras
The video camera shall be mounted on a skid, floatable raft system, or transporter based on the conditions of the pipeline to be recorded. The radial view camera shall be solid-state color and have remote control of the rotational lens. The camera shall be capable of viewing the complete circumference of the pipe and junction structure e.g., manhole. Cameras using mirrors or exposed rotating heads are not acceptable.
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The camera shall be operative in 100 percent humidity conditions.
Camera lens shall not be less than 140 degree viewing angle.
Focal distance shall be remotely adjustable through range of six inches (6”) to infinity (∞).
The remote-reading footage counter shall be accurate to less than one percent (1%) error over the length of the particular section of pipeline being i n s p e c t e d . T h i s d i s t a n c e i s m e a s u r e d f r o m t h e centerline of the junctions (e.g., manhole to the centerline of the next manhole).
The camera height shall be adjusted such that th e camera lens is always centered in the pipe being inspected. The equipment shall display on the monitor the distance of the camera from the centerline of the starting manhole. Unless otherwise approved by the Engineer, footage measurements shall begin at the centerline of the upstream manhole.
Lighting and camera quality shall produce a clear, in-focus picture of the entire periphery of the pipe for a minimum distance of 6’. Lighting shal l be remote-controlled and adjusted to minimize reflective glare and to avoid any dark or shadowy regions appearing on the video file.
The video camera and monitor shall be capable of registering a minimum of four hundred (400) vertical lines and four hundred sixty (460) horizontal lines resolution and be a clear, stable image with no interference.
The video portion of the digital recording shall be free of electrical interference and shall produce a clear and stable image. The audio portion shall be sufficiently free of background and electrical noise providing an oral report that is clear and discernible.
For pipes smaller than six inches in diameter (6”Ø ), the Contractor shall use portable long range pan and tilt push cameras with a motorized wheel to push the probe for one hundred eighty (180’) or more feet down the pipes (e.g., laterals).
The Contractor shall provide a camera, capable of extended video recording lengths and operation in remotely accessed areas without direct vehicular access.
500-3.3 Cleaning
Add the following paragraphs to this subsection:
Should hazardous waste material be encountered, the Contractor shall be responsible for developing a health and safety plan for the handling and disposal of hazardous waste. Any hazardous waste material encountered during the Project shall be placed on eight (8) mil plastic sheets and covered with eight (8) mil plastic sheets. The Contractor shall protect any hazardous waste from contaminating the area due to any surface runoff and / or precipitation. The Contractor shall dispose of the waste at a landfill approved by the Agency . If temporary stockpiling of hazardous waste is allowed by the Engineer, the Contractor shall contain the waste in a fenced area that is inaccessible to the general public.
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The Contractor shall examine the site conditions to determine if pipeline re-cleaning may be necessary immediately prior to pipeline rehabilitation. Site conditions include, but are not limited to size of pipe, type of pipe, age and conditions of pipe, grade, flow conditions, weather conditions, locations and number of feeder lines connecting to the line to be rehabilitated, and the type of rehabilitation method chosen are all important considerations for determining the maximum allowable time lapse between line cleaning and line rehabilitation.
500-3.4 Closed Circuit Tele vision (CCTV) Inspection.
Delete this subsection in its entirety and replace with the following:
Work under this section shall consist of investigation of pipelines by use of digital closed circuit color video recording to determine condition of lines following cleaning, rehabilitation, and installation of gravity pipelines (when required).
The Contractor in coordination with the Engineer shall video record pipelines to:
1. locate existing laterals,
2. confirm no flow in existing mains prior to abandonment,
3. assess the conditions of the existing pipe segm ents and laterals after the cleaning process and prior to commencing rehab work, and
4. accept the newly installed or rehabilitated pipelines.
Video inspection shall show with high resolution operational and structural defects (e.g., inflows, sags, offset joints, cracks, roughness, “fins” or folds in the pipelines, complete with audio commentary and inspection log).
The Engineer shall be notified a minimum of two (2) Working Days in advance of video inspecting.
Video inspection shall be performed one pipe reach (e.g., manhole to manhole) at a time.
The Contractor shall video inspect the pipeline with maximum flow diverted from the pipeline. The pipe reach being inspected shall be isolated from the remainder of the pipelines with the upstream sewage flow bypassed. In the event that the existi ng flow is interfering with the video operation, a bypass shall be performed by the Contractor to lower the flow volume sufficiently to allow for a clear video picture. Sufficient water shall be supplied to the isolated section to cause drainage reaching the downstream manhole prior to video inspecting. If existing flows are high, pre-construction video inspection can be done with partial flow. Depth of the flow shall not exceed:
1. Pipes 6" - 10": 20% of the pipe diameter.
2. Pipes 12" - 24": 25% of the pipe diameter.
3. Pipes 27" and up: 30% of the pipe diameter.
The camera shall be moved through the pipeline in a downstream direction at a uniform rate by means of power cable winches or self-propelled tractors at each manhole, stopping and rotating the camera head at each lateral connection, defect, or both to allow for adequate evaluation. The Contractor shall stop when necessary to ensure proper documentation of the pipe condition, but in no 08/26/2025
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case shall the camera be pulled at a speed greater than thirty feet (30’) per minute. A clear picture shall be provided looking into each service connection. Both pre- and post-video inspections shall be submitted to the Engineer.
Measurement for location of defects shall be ab ove ground by means of a measuring device.
Footages shown in the digital files shall coincide wi th horizontal lengths from stationing as shown on the Plans. Footage measurements shall begin at the centerline of the upstream manhole or storm drain access point, unless permission is given by the Engineer to do otherwise.
The Contractor shall clean the sewer mains or storm drains prior to video inspecting as necessary to adequately perform the video recording operations. If the camera will not pass through the entire pipeline section, the Contractor shall reset the equipment at the downstream manhole and attempt to inspect the section of pipe from the opposite direction. If the camera fails to pass through the entire section, it shall be assumed that an obstruction exis ts. Efforts to video record that section of pipe shall be temporarily suspended and the Contractor shall notify the Engineer. Upon removal of the obstruction, the Contractor shall complete the inspection.
If an obstruction is encountered during the post-construction video inspection, the Contractor shall remove the obstruction by excavation, repair, or other means approved by the Engineer at the Contractor’s expense, in order that video inspection may continue.
The system used to move the camera through the pipe shall not obstruct the camera’s view. The Contractor shall calibrate the measuring device each day with a known distance to the satisfaction of the Engineer prior to starting the inspection and video recording process.
The Contractor shall obtain the Engineer’s approval for any additional point repairs.
See the Contract appendices (see list of Appendices in Table of Contents on Page 2) for additional requirements for video inspection deliverables.
500-3.4.1 Reports and Documentation.
Add the following new subsection:
500-3.4.1 Reports and Documentation. The Contractor shall provide a sample submittal at the start of video inspecting work demonstrating the typical video with audio quality and the database to be provided for approval by the Engineer. This submittal shall note any proposed changes to these specifications e.g., video format, data bases, compression, or other condition for review and approval by the Engineer.
Both pre- and post-inspections digital files, lo g sheets, and reports shall be submitted to the Engineer and will become property of the City.
The Contractor shall use a dual recording system and submit post video inspection files to the Engineer, subsequent to recording.
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The Contractor shall use the City’s standard in spection introduction, ab breviations, log sheet forms, and severity code with legend when recording the line segment information.
The inspection reports shall incorporate and utiliz e a standardized City’s rating system to be provided for comprehensive evaluati on of pipeline, manhole condition, or both, i.e., a standardized listing of facility condition and defect codes. Pipe condition and fault information tied to pipe location shall also be recorded in the Report.
Documentation shall consist of color digital video files, log sheets, and a written report detailing the condition of the pipeline and lateral connections and openings. Video files shall be provided on external hard drive or on DVD.
The video files shall be highly compressed, resultin g in an anticipated average file size of 10 MB per minute of video. The compression shall be in accordance with Windows Media Video (WMV) format.
The compression shall not significantly degrade the still frame quality of the video or audio signal from the original source video, as judged in a side by side viewing under normal viewing conditions.
The report shall note the time and date of video inspection, street name, upstream and downstream manhole, direction of view, direction of flow, surface material, pipeline length, pipe section length, pipe size, pipe material, latera l connections, DVD number, counter number, and a detailed logging of defects encountered in tabular form.
Each submittal shall include the following:
Visuals
1. Adequate view of the upstream and downstream manholes or storm drain access points. The direction of the survey upstream or downstream.
2. A pause at and zoom in on the lateral connect ions for at least fifteen (15) seconds for identification of the condition of the connection.
3. A pause at and zoom in on the identified defects sufficient for identification of the type of problem.
4. Identified fault conditions or defects (use standardized condition and defect codes).
5. Each pipe section shall be identified by street name, nearest intersection, distance from intersection and manhole numbers. If show n on the Plans, station numbers and sheet numbers shall also be identified.
6. A continuous read-out of the camera distance from the starting manhole to the end point at all times.
7. Pipe size.
8. Pipe or liner material.
Audio
1. Date of CCTV inspection.
2. Confirmation of each section to be CCTV inspected (i.e., narrative of manholes, storm access points or station numbers and direction upstream or downstream.
3. Description of pipe size lined on post and fina l videos, material liner type for post and final videos and pipe joint length.
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4. Description and location of each defect.
5. Description and location of each service connection.
6. Include brief but informative comments on data of significance, including, but not limited to, the locations of unusual conditions, type and size of connection, collapsed section, the presence of scale and corrosion, and other discernible features.
7. A continuous read-out of the camera distance from the starting manhole.
Written Documentation
1. Date of CCTV inspection.
2. Printed labels on DVD or storage device number, location information, date of inspection, and other descriptive information.
3. Location, size, material, and length of pipe.
4. Direction of flow and measurement "From" manh ole or storm drain access point or station number "To" manhole or storm drain access point or station number.
5. File numbers itemizing individual segments.
6. Sketch showing the street and cross streets where the CCTV inspection was made.
7. Description and location of each defect or deficiency and a list of all proposed repairs.
8. Description and location of each connection.
9. A menu which lists files for each pipe section to be inspected and the date of the inspection.
The reporting software shall be compatible with City’s format requirements. The reporting software shall utilize Microsoft Access database. The report s shall also show all service lateral connection locations.
Video files will be reviewed by the Engineer for focus, lighting, sound, clarity of view, and technical quality. Videos recorded while a camera has flippe d over in the process of traveling and the viewing of laterals, obstructions or defects that are blocked by cables, skids or other equipment will not be accepted. Sharp focus, proper lighting, and clear distortion-free viewing during the camera operations shall be maintained. Failure to maintain these conditions will result in the rejection of the submittal.
One file shall be provided for each manhole to manhole pipe segment (or for each manhole to manhole inspection video).
500-3.4.2 Video Inspection Submittals.
Add the following new subsections:
500-3.4.2 Video Inspection Submittals. The Contractor shall make submittals during construction as applicable to the Project. Each video submittal shall be limited to twenty (20) segments. In the event that any deficiencies are discovered by the Engineer, either by the Contractor’s video inspection or the Engineer’s inspection, five (5) Working Days shall be allowed for the Engineer to judge whether the deficiencies or sags are repairable, in place. If the judgment is made that the deficiencies are non- repairable in place, the affected portion(s) shall be reconstructed at no cost to the Agency.
Existing Sewer Mains Proposed To Be Replaced - When video inspecting existing mains proposed to be replaced, the Contractor shall provide the video files and a red-lined set of Plans showing the 08/26/2025
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location of the existing laterals to the Engineer before constructing the new sewer mains. Service lateral video inspection shall be submitted separately.
Post Cleaning Videos Prior To Rehabilitation Of Mains - The Contractor shall video record the pipe segments after the cleaning process has been completed and prior to commencing rehabilitation work.
If point repairs are necessary, the Contractor shall identify the location of the proposed point repairs and submit the post cleaning video within five (5) Working Days of completion of the segment cleaning and at least five (5) Working Days prior to commencing the rehab work to obtain prior approval by the Engineer. The Engineer will review each video subm ittal within ten (10) Working Days of receiving submittal. The post cleaning video for the remainder of the mainline segments shall be submitted.
Post Cleaning Videos For Rehabilitated Laterals Or Lateral Launch Videos - The Contractor shall video record the lateral segments after the cleaning process has been completed and prior to commencing any work on laterals. The post cleaning video for service lateral launch shall be submitted within 5 Working Days of segment cleaning. The En gineer will review each video submittal within 10 Working Days of receiving each submittal. Each submittal shall be limited to 20 segments. The video inspection shall include inspection of service latera l a minimum of 30’ in length from the mainline or up to the property line unless an obstruction is encountered.
Service Lateral Video - If the property line clean-outs are not known to exist, service lateral video may be obtained with camera equipment designed to launch into the service lateral from the mainline or access from the private property with homeowne r’s permission. Each service lateral shall be identified by the FSN of the mainline (when FSN are included in the Contract Documents) and the address of the property which it serves. Failure to comply with these specifications may result in one or more of the following:
1. A delay of the review and approval of the submittal(s).
2. Delay in progress payments.
3. Require the Contractor to repeat video recording the pipelines at no cost to the City.
Final Video Inspection – New sewer mains or storm drains shall be video inspected and recorded not less than twenty-two (22) Working Days after completion of permanent trench restoration and finished grading, but prior to final resurfacing. The Contractor shall review the digital file for any discrepancies or deficiencies in the installation of the pipe or liner. The Contractor shall notify the Engineer at least thirty (30) Working Days in advance of the anticipated date that Acceptance will be requested. If the specified advance notice is not given, Acceptance and bond release may be delayed.
For sewer mains only: The Contractor shall first clean the line with high pressure water jetting equipment and a sewer ball, and then perform tests as specified by the Engineer. The Contractor shall provide for collection of debris from cleaning operation. The Contractor shall dispose of water into an existing sanitary sewer system or pump station.
For sewer mains only: The camera shall stop at each lateral connection, focus on the bottom of the opening and then make one slow clockwise observation around the perimeter of the lateral which clearly shows the quality of the connection. Then, th e camera shall focus on the center of the lateral opening for a minimum of fifteen (15) seconds be f o r e m o v i n g o n t o a l s o a d e q u a t e l y s h o w a n d document that the saddle has been installed properly for new installations and that the lateral opening has been reestablished for rehabilitation. Each lateral shall be identified by the address of a property 08/26/2025
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which it serves. If the Contractor fails to properly show and document within the database any of the lateral openings, the Contractor will be required to repeat video recording that section of pipeline at no additional cost to the City.
Post-rehabilitation Videos - Post-rehabilitation videos shall be submitted within thirty (30) days of completion of the Work. The final video recording shall clearly show the condition of the liner with ends sealed at the manholes, service lateral and connection seals. The submittal of this final video recording shall also include MS Access database and marked up Field Book pages or Plans as attachments. Failure to deliver the submittal(s) with in the time identified or if a total of more than twenty (20) segments are submitted in a single video may result in one or more of the following:
1. A delay of the review and approval of the submittal(s).
2. Delay in progress payments.
500-3.4.3 Tolerances.
Add the following new subsections:
500-3.4.3 Tolerances. Tolerances encountered following inspection shall be addressed as follows:
1. For new underground sewer or storm drain conduit installations, the maximum operational tolerance for sag shall be one-half inch (1/2”). When video recorded inspection is used to check for sag, a calibrated one-quarter inch diameter (1/4”Ø) steel bar, mounted in front of the camera, shall be used to measure the depth of sag.
2. For rehab work, tolerances shall be in accordance with Subsection 500-5.5.10 (“ Defect Tolerances.”)
3. If the Engineer determines that the deficiencies or sags are non-repairable in place, the affected portion(s) shall be reconstructed in accordance with Subsection 3-13 (“COMPLETION, ACCEPTANCE, AND WARRANTY.”)
500-3.4.4 Payment.
Add the following new subsections:
500-3.4.4 Payment. Cleaning and video inspecting pipelines and culverts shall be included in the various Bid items unless separate Bid items have been provided.
500-3.7 Payment.
Add the following paragraph to this subsection:
The external point repair work will be measured and paid for at the unit price bid per each external point repair. Measurement will be made at the pipe and will be based on the length of pipe repaired.
The Contractor will be paid for one (1) external point repair for each repair ten feet (10’) or less in length.
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500-4 PIPELINE POINT REPA IR AND/OR REPLACEMENT.
500-4.1 General.
Delete the last two sentences of the first paragraph and the second paragraph and replace with the following paragraphs:
The Contractor shall be responsible for repairing the pipeline where external point repairs are deemed necessary from pre-televising inspection and as approved by the Agency.
External point repair work shall include, but not be limited to, locating the point repair through CCTV, locating all interfacing utilities, excavation, dewatering, pipe repairs or placement, backfilling, surface restoration, temporary flow bypassing, sewer dewatering, and traffic control.
If an excavated point repair would have too great an affect on vegetation (as identified by the Agency’s biologist), or if excavation is not possible due to existing walls, buildings, or other structures, the Contractor shall then perform the point repair from the interior of the pipe in accordance with SECTION 501 (“SERVICE LATERAL CONNECTION SEALING.” ) of these specifications. The Contractor shall televise the pipe prior to rehabilitation and submit to the Engineer their recommendation of, and plan for, internal point repairs.
500-4.8 Repair Methods.
Add the following new subsection:
500-4.8 Repair Methods. One (1) or a combination of the following methods shall be used.
Methods selection shall be subject to approval by the Engineer prior to its installation.
A. Install full circle repair clamp as recommend ed by the manufacturer and approved by the Engineer. All metallic hardware shall be 316 stainless steel.
B. Install in accordance with manufacturer’s recommendations.
C. Remove defective pipe or fittings to the nearest joint or by cutting perpendicular to the pipe axis to leave a plain end. Prepare a replacement section of like pipe material or as otherwise approved by the Engineer. Make connections using standard joints, repair clamps, couplings, or heat-shrink sleeves.
500-5 LINING
500-5.1 General.
Add the following after the first paragraph in this subsection:
The Contractor shall perform tests on all rehabilitated facilities and submit test results for the review and approval of the Engineer. Pipe sections for sampling shall be produced by the restrained 08/26/2025
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sample method at a location of convenient access, unless other methods are approved in writing by the Engineer. Pipe liner samples shall be prepared and physical properties tested in accordance with either ASTM F1216 or ASTM F1743. The flexural properties must meet or exceed the values listed in Table 1 of the applicable ASTM. Wall thickness of samples shall be determined as described in paragraph 8.1.6 of ASTM F1743. Visual inspection of the pipe liner shall be in accordance with ASTM F1743. Unless otherwise noted, no separate compensa tion will be paid for testing; the testing costs are to be included in the related pay items. If the work should fail to pass the tests, it is the Contractor’s responsibility to correct the work and re-test with no additional compensation to the Agency.
If, within the warranty period, any section of the sewer system is not acceptable due to subsequent excessive leakage or any other defects, although or iginally accepted, the Contractor shall repair or replace the affected portion at no cost to the Agency. It is understood that if the Contractor fails to do such work as required, the Surety shall be liable for said costs of repair or replacement.
All sewers rehabilitated method shall be tested for leakage in accordance with Subsection 306-7.8.2 (“Pressure Testing and Leakage Inspection.”).
500-5.5 Cured-In-Place Pipe (CIPP) Liner.
500-5.5.1 General.
Revise the first sentence in this subsection to read as follows:
CIPP Liner for rehabilitation of pipelines shall use an approved vinyl-ester-resin-impregnated flexible tube installed by an inversion method us ing a hydrostatic head per ASTM F1216 or a pull in method per ASTM F1743.
Add the following sentence to the first paragraph:
The minimum thickness of flexible tube shall comply with ASTM F1216.
500-5.5.2 Material Composition and Testing.
Add the following to this subsection:
Vinyl-ester resin-impregnated CIPP Liner felt shall have the following minimum physical properties:
PROPERTY ASTM Test Method Minimum Physical Property (psi) Flexural Strength D 790 4,500
Flexural Modulus D 790 Initial: 250,000
Long Term: 125,000
The CIPP shall be designed as per ASTM F 1216, Appendix X1, with the following additional requirements:
The CIPP design shall assume no bonding to the original wall pipe. 08/26/2025
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External Hydrostatic Design - Acceptable third party testing and verification of the enhancement factor, K, (equation 1 - ASTM F 1216) shall be submitted by the manufacturer and / or liner product.
500-5.5.10 Defect Tolerances.
Add the following new subsection:
500-5.5.10 Defect Tolerances. During post installation video the new liner shall be examined to determine the existence of liner defects. Liner defects shall include but not be limited to fins, wrinkles, imperfections, areas of uncured resin, or areas of incomplete resin impregnation. A fin or wrinkle shall be defined as a defect when it penetrates inside the pipe more than quarter inch (0.25”) from the inside wall curvature of the new liner that is juxtaposed to the fin or wrinkle. A remedial repair and / or replacement action plan shall be submitted by the Contractor to the Agency for review and approval for ANY defect prior to any corrective action. Failure to obtain Agency’s approval of the corrective plan may result in rejection of the liner and replacement with a new liner or a new pipe (if required).
500-8 SERVICE CONNECTION RE-ESTABLISHMENT.
Delete the second paragraph in its entirety and replace with the following paragraphs:
As part of the summary of work, the Work of this Contract includes the partial lining approximately eight to ten inches (8” – 10”) into the service connection pursuant to SECTION 501 (“SERVICE LATERAL CONNECTION SEALING”) in these specifications. It is the intent to line the pipe without excavation and to provide a permanent lateral sealing in newly relined mainline pipeline.
If the service connection is to be re-established by a remote control device, the Contractor shall have a fully operational backup device on site. After re-establishment, the reconnected service lateral shall be sealed to the liner. The Contractor shall seal the connection to the liner pipe by extending the liner pipe contiguously into the lateral a minimum of eight inches (8”). The Contractor shall have the Engineer onsite during the process to verify the completion of the work.
All costs associated with re-establishing and sealing, by open trench or service lateral connection (SLC), into the service connection shall be included in the unit price bid for service lateral connection and no additional payment shall be made.
SECTION 501 – SERVICE LATERAL CONNECTION SEALING
501-1 GENERAL.
Add the following after the second paragraph in this subsection:
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The finished SLC product shall be fabricated from materials which when cured will be chemically resistant to withstand internal exposure to domestic sewage. All constituent materials will be suitable for service in the environment intended. The final product will not deteriorate, corrode, or lose structural strength that will reduce the projected product life.
The structural performance of the finished pipe must be adequate to accommodate all anticipated loads throughout its design life. No cured-in-place pipe rehabilitation technology will be allowed that requires bonding to the existing pipe for any part of its structural strength.
Design methods are to be derived from traditionally accepted pipe formula for various loading parameters and modes of failure. All equations will be modified to include ovality as a design parameter. The design method shall be submitted to the Engineer for approval prior to the Pre- Construction Meeting.
Modify Row 1 of Table 501-1 with the following:
Property
ASTM Test Method
Results (psi)
Flexural Stress
D790
4,500
501-6 INSPECTION, TESTING, AND REPAIR OF INSTALLED SLC SEALING SYSTEMS. 501-6.5 Repair.
Add the following paragraphs to this subsection:
500-6.5 Repair. If, within the warranty period, the SLC seals installed in the sewer system are not acceptable due to leakage or any other defects, al though originally accepted, the Contractor shall repair or replace the affected portion at no cost to the Agency. It is understood that if the Contractor fails to do such work as required, the Contractor shall be responsible for said costs of repair or replacement.
501-6.6 Deviations.
Add the following new subsection:
501-6.6 Deviations. The Contractor shall submit a unit price proposal for the appropriate size and angle. The deterioration of service laterals is an ongoing process. Should pr e-inspection reveal that the SLC cannot be used, the Contractor, upon no tifying the Agency's representative, can dig and replace the lateral(s) or advise the Agency's representative it is inadvisable to rehabilitate.
501-8 PAYMENT.
501-8.1 Insitu Point Repairs.
Add the following new subsection:
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501-8.1 Insitu Point Repairs. All costs associated with insitu point repairs shall be included in the bid price for insitu point repairs and paid for in accordance with Subsection 500-3.7(“Payment.”) of these Supplementary Special Provisions.
SECTION 502 - MANHOLE AND STRUCTURE REHABILITATION
502-4 Repair, Resurfacing and Active Infiltration.
502-4.1 General.
Add the following paragraphs to this subsection:
The Contractor shall remove the existing manhole steps, rechannel the manhole base to accommodate upsize, new and/or rehabilitated main s, and replace the existing manhole frame and cover with new per Subsection 206-3.3 (“Manufacturing and Finishing.”) and the Standard Drawings.
In addition, in unpaved areas, the top of manholes shall be raised eighteen inches (18”) above ground surface and covers shall be locked per standard drawing SDRSD No. M-4 (“MANHOLE COVER – LOCKING DEVICE.”). The covers shall be bolted to the grade ring with special 1" (across head) Apenta head bolts, type 5/8" thread (0.625" x 20 UNC thread), 12” long. Bolts to be class 304 stainless steel (see Appendices (see list of Appendices in Table of Contents on Page 2) for detailed drawings). NOTE:
Manhole covers shall say CITY OF VISTA SEWER or BUENA SANITATION DISTRICT SEWER.
If the method and type of materials for manhole rehabilitation are not designated on the plans or specifications, the Contractor shall also rehabilitate the manhole in accordance with Subsection 502-
4.3 (“Resurfacing.”).
502-8 PAYMENT.
Add the following paragraphs to this subsection:
The Contractor’s Contract Unit Price bid shall also include the removal of the existing manhole steps, rechanneling the manhole base, high pressure water blasting and cleaning, spark testing and repairs of the new interior manhole lining, and the removal and replacement of the existing manhole frame and covers. In addition, in unpaved areas, the Contract Unit Price bid shall include the raising of the top of manholes and installation of the manhole cover locks.
If the method and type of materials for manhole rehabilitation are not designated on the plans or specifications, the Contract Unit Price shall also include the rehabilitation of the manholes in accordance with Subsection 502-5 (“LINING SYSTEMS.”).
PART 6 – TEMPORARY TRAFFIC CONTROL
SECTION 600 – ACCESS
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600-1 GENERAL.
Add the following paragraphs to this subsection:
The Contractor shall make every effort to keep driveways open during working hours. After hours all driveways shall be accessible with smooth and safe crossings through the construction.
In addition, two-directional traffic must be maintained at all times.
In general, on certain occasions, only one (1) lane of traffic in each direction may be closed at one (1) time as approved by the traffic department. One week notice prior to traffic control set up must be reviewed and approved.
Other conditions such as pedestrian access and th e presence of schools or other special traffic and pedestrian generating facilities may affect the working hours.
600-3 PEDESTRIAN ACCESS.
Add the following paragraph to this subsection:
For the Michigan Ave Parking lot Project , pedestrian access to Vista Magnet Middle School must be maintained while school is in session. Side walks adjacent to the school, curb ramps at the intersection, and crosswalks at the intersection may be closed temporarily during the summer or breaks when school is not in session, at night, or on the weekend. The work must be phased so that pedestrian access is maintained at ALL times along the school-side of the street and across the intersection. This required phasing includes performi ng construction activities while school is not in session, performing work on only one portion of th e street at a time, performing work on only one corner of the intersection at a time, providing temporary ramps and walkways, providing access to the school along alternate access routes acceptable to the Engineer and the School District, and any other work required to ensure that safe pedestrian access is always maintained.
SECTION 601 – TEMPORARY TRAFFIC CONTROL FOR CONSTRUCTION AND MAINTENANCE WORK ZONES
601-1 GENERAL.
Add the following paragraphs to this subsection:
The Contractor shall prepare and submit a traffic control, construction phasing, and detour plan for approval by the Agency, showing how traffic and access will be maintained during the work.
At least two (2) lanes of traffic, one in each direction, must be kept open during construction periods on all streets. The Contractor shall furnish, install and maintain all necessary and appropriate signing and striping for lane closures to accommodate the work zone. 08/26/2025
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Emergency vehicles shall be permitted to pass through the work area without delay at all times.
Work shall be performed in a portion of the street section while the remainder of the street section is kept open and unobstructed until the newly-constructed improvements are ready for use by traffic.
The Contractor shall phase the removal operations so as to maintain the specified traffic lanes on existing pavement until sufficient new pavement is constructed to accommodate the traffic requirements. A smooth, even surface and a condition satisfactory for traffic shall be maintained on the portion of street where the two-directional traffic is being maintained.
For the Michigan Ave Parking Lot Project , the Contractor may not close or close one-half of the street with proper traffic control and a detour plan unless approved by the Engineer on any street.
The Contractor shall cooperate with local authorities relative to handling local traffic and providing access to necessary services through the area an d shall make his own arrangements relative to keeping the working area clear of parked vehicles.
If temporary ‘No Parking’ zones are part of the approved Traffic Control Plan, the Contractor shall be responsible for furnishing and posting temporary ‘No Parking’ signs a minimum of forty-eight (48) hours in advance of work. Signs shall have the correct legend and any other necessary information such as hours of the day; days of the week; dates that the temporary ‘No Parking’ zone applies; and citation of the applicable section of the California Vehicle Code or the Vista Municipal Code. Signs shall be posted at one-hundred foot (100’) maximum intervals along the approved temporary ‘No Parking’ zone. Signs may be attached to existing sign and street light poles in the public right-of-way as approved in the Traffic Control Plan. When necessary to meet the spacing requirement or to ensure sign visibility, the Contractor shall furnish posts or barricades. The Contractor is responsible for the removal of all temporary “No Parking” signs and fast eners or tape used after the Work is completed on each street or alley.
The Contractor shall be responsible for furnishing and posting temporary ‘No Parking’ signs along all streets approved for closure. In addition to other requirements for temporary “No Parking” signs, “No Parking” signs for temporary road closures shall be posted at one-hundred foot (100’) maximum intervals on each side of the street to be closed, at all intersections, and ends of all cul-de-sac streets.
Implementation of traffic control devices per the approved Traffic Control Plan may not begin each workday before the hours specified on the approved Traffic Control Plan. In addition, construction work must be stopped before the end of the approved work period to allow sufficient time for all traffic control devices to be removed and for other devices and measures to be in place and operational as shown on the approved Traffic Control Plans within the specified time restrictions. The Contractor shall make adjustments to the construction staging and provide any required improvements or additional facilities, including temporary trench steel plate covers, temporary asphalt concrete pavement, barricades and delineators, and temporar y signing and striping, which are necessary to make the work site functional and safe at all times. Improvements and facilities necessary to make the work site functional and safe shall be submitted to the Agency’s Traffic engineer for approval as part of the Traffic Control Plan.
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Adequate drainage facilities shall be provided to maintain the traveled pavement surface in a condition free from ponding or running water. Water shall not be diverted from existing courses or allowed to pond on private property without the explicit permission, in writing, from the property owner.
Trenches in streets open to traffic shall be provided with temporary pavement surfacing, to maintain a smooth paved travel surface, if the street is not to be provided with permanent pavement surfacing within forty-eight (48) hours after pavement removal. Trench steel plate covers shall not be left in place longer than four (4) consecutive Working Days.
601-2 TEMPORARY TRAFFIC CONTROL PLAN (TCP).
601-2.1 General.
Add the following paragraphs to this subsection:
The Contractor shall be prepared to discuss the traffic control plan and issues related to traffic control and access at the Pre-Construction Meeting. The Contractor shall submit traffic control plans for approval per Subsection 3-8.4 (“Supporting Information.”) at least ten (10) Working Days prior to commencement of work. All phases of the traffic control plans shall be prepared by a California licensed Traffic Control Services Consultant (C31 Contractor’s License – Construction Zone traffic Control Contractor) or a California registered Civil or Traffic Engineer and performed in conformance to the requirements of the latest editions of the California Manual on Uniform Traffic Control Devices (CA MUTCD) for Streets and Highways, Caltrans Standard Specifications and Standard Plans, the Traffic Control Plans included in the latest edit ion of the San Diego Regional Standard Drawings (SDRSD), and the WATCH Manual (Work Area Traffi c Control Handbook). No work shall commence until this plan and each construction phase of the Work that significantly affects existing traffic operations has been reviewed and approved by the Engineer.
The Contractor’s Traffic Control Plan shall list the Working Days and Hours scheduled for each street and each phase of the work, as described in these Specifications.
The relocation and / or installation of traffic and / or parking signs and other directional signage, as required on the Plans, shall conform to the City of Vista Standards, the California Manual on Uniform Traffic Control Devices (CA MUTCD), Caltrans Standard Plans and Standard Specifications, San Diego Regional Standard Drawings (SDRSD), and all current ADA regulations All signs, including those to be relocated or replaced, need to have their new locations approved by the Traffic Engineering Division of the Engineering Department before placement. If not otherwise specified, the work required for Traffic Striping and Signing shall conform to these specifications and those in Section 314.
All signing, including “DETOUR AHEAD” signs and “OPEN DURING CONSTRUCTION” signs shall be proposed by the traffic control plan. The Engineer may direct alteration of the above sign messages and locations.
All traffic lanes shall have a minimum width of el even feet (11’) unless otherwise specified. In addition to the lane width specified herein, the Contractor shall maintain a clearance of two feet (2’) feet to curbs, barricades, and other vertical obstructions.
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It shall be the Contractor's responsibility to notify the appropriate utility companies listed in these Project Specifications and the other agencies listed below, at least two weeks in advance, when access to the public right-of-way is altered in any way. Notifications by the Contractor shall be in writing, with proof of receipt. Copies of each notification and proof of receipt shall be submitted to the Engineer.
UTILITY COMPANY / AGENCY PHONE NUMBER
City of Vista Fire Department (Business Office) 760-643-2801 San Diego County Sheriff’s Office (Non-emergency) 760-940-4551 EDCO Waste and Recycling Company (Customer Service) 760-727-1600 City of Vista Engineering In spection (24 hour answering machine)
760-639-6113
City of Vista Building Division 760-639-6105
City of Vista Building Inspection Request Line (24 hour answering machine)
760-639-6106
City of Vista Parks and Community Services 760-639-6151 North County Transit District (Monica Coria) 760-967-2851 Vista “Out and About” transit service 760-639-6161 x 1537 Vista Unified School District (Maintenance, Operations & Grounds)
760-726-2170 x 92702
United States Post Office (Vista, CA branch) 800-275-8777
601-2.2 Payment.
Add the following paragraph to this subsection:
Full compensation for developing and maintain (single or multi-phase) Traffic Control Plan and Construction Staging and furnishing Project traffic co ntrol, including the cost of all barricades, signs, all variable message signs, tools, equipment, incidentals, flagmen, providing notices, asphalt concrete and aggregate base for temporary resurfacing (and its removal), temporary conflicting traffic stripe application and grinded removal, trench steel plate cover in stallation and removal, and any other safety measures used for the control of traffic, an y temporary rerouting of traffic or maintenance of access to properties during the Project construction period shall be paid for by the lump sum price bid as shown on the BID SCHEDULE and no additional compensation will be allowed.
PART 7 – STREET LIGHTING AND TRAFFIC SIGNAL SYSTEMS
SECTION 700 – MATERIALS
700-1 GENERAL.
Add the following paragraph to this subsection:
All electrical components and electrical materials providing and / or using electrical service shall conform to all applicable City of Vista standards / ordinances, SDG&E Standards, Caltrans Standard 08/26/2025
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Specifications, Caltrans Standard Plans, and the City of Vista Guidelines for the Preparation of Traffic Signal Design Plans.
700-3 COMMON COMPONENTS.
700-3.5 Conduit.
Add the following sentence to this subsection:
Conduit shall conform to the provisions in Subsection 86-1.02B, "Conduit and Accessories" of the Caltrans Standard Specifications and these Special Provisions.
700-3.5.2 Rigid Metallic Conduit.
Replace the first sentence in this subsection with the following:
Conduit and conduit fittings shall be Type 1 (Hot-d ip galvanized rigid steel) and, unless otherwise stated, a minimum standard two inches (2”) in diameter.
700-3.7 Pull Boxes.
Delete this subsection in its entirety and replace with the following:
7 0 0 - 3 . 7 P u l l B o x e s . Pull boxes shall conform to the provisions in Subsection 86-1.02C(2), “Nontraffic Pull Boxes ”, Subsection 86-1.02C(3), “Traffic Pull Boxes ” and Subsection 86-1.02C(4) “Tamper Resistant Pull Box” of the Caltrans Standard Specifications and these special provisions.
Pull boxes and covers shall be precast reinforced concrete except when the box is subjected to vehicular traffic loads. Steel reinforcing shall be as regularly used in the standard products of the respective manufacturer.
Cover marking on all new traffic signal pull boxes shall be “Traffic Signal” for traffic signal systems and “Lighting” for street light systems. The marking text shall be between one to three inches (1”-3”) high. Enclosures, covers, and extensions shall be co ncrete gray color. All covers shall have two (2)
0.375” brass or stainless steel stud bolts with nuts and washers recessed into the cover for securing the cover to the box. Pull box covers shall not contain hold-down bolts or hold-down bolt holes.
Unless otherwise stated, fiber-optic interconnect pull boxes shall be standard size 6E (with extension). All fiber optic pull box lids shall be concrete, one-piece lids. Fiber optic pull box covers shall be marked with the words “SIGNAL COMMUNICATIONS” or “SIGNAL COMMS”.
700-5 TRAFFIC SIGNAL MATERIALS.
700-5.3 Conductors and Cable.
700-5.3.4 Fiber Optic Cable.
700-5.3.4.1 General.
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Add the following paragraph to this subsection:
All fiber optic cable on this project shall be from the same manufacturer, who is regularly engaged in the production of this material. The glass used shall be manufactured by Corning or equivalent approved by the Engineer. The Contractor shall submit to the Engineer for approval a certification that the Manufacturer has been engaged in the production of this material for a minimum of three (3) years.
700-5.3.4.1.1 Overview of Fiber Optic Cable Plant.
Add the following new subsection:
700-5.3.4.1.1 Overview of Fiber Optic Cable Plant. This section is intended to provide an overview of the fiber optic cable plant to be installed as part of this project. The plans and all other sections of the specifications shall take precedence over this overview in the event of any conflicts.
This project involves the installation of multi-strand single mode fiber optics cable in new communications conduit. The project plans specify the exact fiber count to be installed in each trunk conduit section.
For the purposes of testing, all fiber strands shall be fusion spliced to factory terminated pigtails within a fully ST populated 48 position FDU locate d in a McCain Traffic Supply 332 Fiber Optic Data Node. All pigtails shall be factory terminated at City Hall shall be spliced into pigtails terminated with ST connectors. Jumpers as needed to connect the Fiber Optic Cable from the 332 NODE to the Control Center equipment shall be provided. These pigtails shall be a minimum of 20’ in length. The 332 Node shall be utilized to test the fiber optic cable pl ant to be installed as part of this project. In addition, all data transceiver and other fiber optic electronics shall be tested at this point prior to connection to the control center by others.
The following is a glossary of terms, which are subsequently utilized in this specification:
Breakout: A "breakout" cable shall be produced by (1) removing the jacket just beyond the last tie-wrap point, (2) exposing 3’ to 6’ of the cable buffers, aramid strength yarn and central fiberglass strength member, and (3) cutting the aramid yarn, central strength member and the buffer tubes to expose the individual glass fibers for splicing or connection to the appropriate device.
Connector: A mechanical device used to align and join two (2) fibers together to provide a means for attaching to and decoupling from a transmitter, receiver, or another fiber (patch panel).
Connectorized: A term that describes the termination point of a fiber after connectors have been affixed.
Couplers: Couplers are devices which mates two (2) fiber optic connectors to facilitate the transition of optical light signals from one connector into another. Couplers may also be referred to as: adapters , feed-thrus, and barrels. They are 08/26/2025
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normally located within FDFs mounted in panels. They may also be used unmounted, to join two (2) simplex fiber runs.
EIA: Stands for Electronic Industries Association.
Fiber Distribution
Unit (FDU): A combination of the Connector Module Housing (CMH) and the Splice Module Housing (SMH) in the same enclosure.
Jumper: A short fiber optic cable that has connectors installed on both ends, and is used for connection within a FDF.
Light Source: A transportable piece of fiber optic test equipment that, when coupled with a power meter, is used to perform end-to-end attenuation testing. This device contains a stabilized light source operating at the designed wavelength of the system under test. It also couples light from the source into the fiber to be received at the far end by the receiver.
Link: A passive section of the system, the ends of which are to be connected to active components. A link may include splices and couplers.
Mechanical Splice: A device that permanently joins fiber ends to identical or similar fibers.
Mechanical splices are not to be permanently utilized on this project.
Optical Time Domain
Reflectometer
(OTDR): A piece of fiber optic test equipment similar in appearance to an oscilloscope that is used to measure the total amount of power loss between two (2) points.
This test instrument provides a visual and printed display of the relative location of system components such as fiber sections, splices and connectors as well as the losses that are attributed to each component.
Patchcord: A s h o r t j u m p e r .
Pigtail: Relatively short length of fiber optic cable that is connectorized on only one (1) end.
Power Meter: A transportable piece of fiber optic test equipment that, when coupled with a light source, is used to perform end-to-end attenuation testing. It contains a detector that is sensitive to light at the designed wavelength of the system under test. Its display indicates the amount of power injected by the light source that arrives at the receiving end of the link.
Segment: A section of fiber optic cable that is not connected to any active device and may or may not have splices per the design.
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Splice Closure: A container used to organize and protec t splice trays. The container allows splitting or routing of fiber cables from multiple locations. The container is environmentally sealed to protect the fibers.
Splice Module
Housing (SMH): The SMH stores splice trays as well as pigtails and short cable lengths.
Splice Tray: A container used to organize and protect spliced fibers.
Splice Vault: A box with a minimum inside clearance of 30”W x 60”L x 30”D which is used to house splice closures.
700-5.3.4.1.1.1 Single Mode Fiber Op tic Outside Plant Cable - General.
Add the following new subsection:
700-5.3.4.1.1.1 Single Mode Fiber Optic Outside Plant Cable - General. Each trunk fiber optic cable for this project shall be waterblocked, loose tube, all-dielectric, gel-free and contain single mode (SM) dual-window (1300 nm and 1550 nm) fibers as shown on the Plans and shall conform to these special provisions.
The cable shall comply with all the requirements of the United States Department of Agriculture Rural Electrification Administration specifications REA-PE-90.
700-5.3.4.1.1.2 Fiber Optic Eq uipment – Quality Assurance.
Add the following new subsection:
700-5.3.4.1.1.2 Fiber Optic Eq uipment – Quality Assurance. All work and material described in this section shall meet or exceed the applicable provisions of the following documents:
CFR 1755.900, RUS Specification for Filled Fiber Optic Cables ANSI, C8.47-1983, American National Standard for Polyolefin-insulated Thermoplastic Jacketed Communication Cables
EIA-455-27A, Method of Measuring (Uncoated) Diameter of Optical Waveguide Fibers EIA-455-28B, Method For Measuring Tensile Failure Point of Optical Waveguide Fibers EIA/TIA-455-82A, Water Penetration Test
EIA-455-95, Absolute Optical Power Test for Optical Fibers and Cables EIA-455-103, Buffered Fiber Bend Test
EIA-359-A-1, Special Colors
700-5.3.4.7 Fiber Opti c Node Transceiver.
Add the following new subsection:
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700-5.3.4.7 Fiber Optic Node Transceiver. The Fiber Node Optic Transceiver shall be micro- processor based and shall be configurable as a f ully redundant, fault tolerant, self-healing ring configuration, that provides for un-interruptible communications between network node transceivers, even if a fiber break occurs between one or more transceivers in the ring.
The Fiber Optic Node Transceiver shall operate with single mode fiber at 1310nm. The optical connector shall be ST type.
The Fiber Optic Transceiver shall have AUTOMATIC GAIN CIRCUITRY (AGC) allowing for back to back dynamic range operation for light budgets of up to 30 dB. NO IN-LINE ATTENUATORS WILL BE ALLOWED.
The Fiber Optic Node Transceiver shall be capable of operating from -29F to 165F.
The Fiber Optic Node Transceiver shall be compatible with the Agency’s local traffic signal control and central traffic system control software. The Fiber Optic Node Transceiver shall have a female DB25 connector and shall be compliant with EIA RS-232D \ EIA RS422. A cable shall be provided with each Fiber Optic Transceiver when connected to a 170 controller C-2 port.
The Fiber Optic Node Transceiver shall have a built in Network Management System. Each Transceiver shall be addressable and shall be capab le of monitoring the st atus of any Transceiver from any Transceiver in the Network through the NMS interface port. The NMS shall monitor the condition of the fiber ring, data transmission and the condition of the NMS. Configuration of all Transceivers in network may be done directly from the MASTER FIBER OPTIC TRANSCEIVER or from a LOCAL FIBER OPTIC TRANSCEIVER. All software required for the Network Management System shall be supplied with the Fiber Optic Node Transceiver. All Fiber Optic Transceiver Network Management System functions shall be transparent to the Agency’s central and local traffic signal software and therefore have no effect on the system while utilizing the NMS functions.
The data transceiver installation shall include a ll mounting hardware necessary to mount it 72” tall. Nineteen inch (19”) EIA rail Rack Enclosure with removable side panels, solid rear door, smoked plexi-glass front door and rollers. The Transceivers in the Rack Enclosure will be chassis-mounted.
The size and mounting arrangements shall be consistent with the space available. It shall be mounted in a manner that allows easy access to all connections and indicators.
The data transceiver shall operate over a temperature range of -29F to 165F.
Power shall be supplied from an existing 120 VAC 5 percent, power source. The data transceiver shall include a power supply, which may be external to the transceiver. The power supply shall supply all voltages required by the transceiver for operation, and panel indicators visible from the front of the transceiver that show power on and received optical signal present.
The Contractor shall perform pre-in stallation testing to verify that the transceiver and transceiver are compatible, meet manufacturer’s specifications and the requirements of these specifications.
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The Contractor shall furnish and install a power supply, as recommended by the manufacturer, to power to the data transceiver.
700-5.4 Controllers.
700-5.4.4 Components.
700-5.4.4.4 Connectors.
Add the following new paragraphs to this subsection:
The fiber optic connectors shall be the ceramic ferrule ST type for single mode applications.
All fiber optic connectors shall be the 0.1” ST connector ferrule type with Zirconia Ceramic material with a PC (Physical Contact) pre-radiused tip.
The ST connector operating temperature range shall be -40 F to +176F. Insertion loss shall not exceed 0.4 dB and the return reflection loss on single mode connectors shall be at least 40 dB.
Connection durability shall be less than a 0.2 dB change per 1000 mating cycles. All terminations shall provide a minimum fifty pound (50 lb.) pull-out strength.
700-6 Traffic Signal Street Name Signs.
Add the following new subsection:
700-6 Traffic Signal Street Name Signs. Street name signs on Traffic Signals shall be single-faced, single-sheet, framed aluminum signs with Diamond Grade 3 reverse-screened reflective sheeting, per City of Vista Standard Drawings TRF-03A through -03E. Street name (or message) on the sign shall be as indicated on the Plans, or as specified. One street name sign shall be installed on the mast arm of the signal for each direction of travel.
SECTION 701 – CONSTRUCTION
701-4 DAMAGE TO EX ISTING SYSTEMS.
Add the following paragraph to this subsection:
No payment shall be made for incidental repairs needed to improve surfaces or landscaping required for the construction and installation of th ese systems. Costs for any such efforts shall be included in the cost of related items themselves listed within the bid items.
701-8 FOUNDATIONS, FOUNDATION CAPS AND SLABS.
701-8.6 Payment.
Replace this subsection with the following:
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701-8.6 Payment. Payment for foundations, including protection devices, bolt circles, and reinforcement, foundation caps, and slabs, shall be considered as included in the Contract Unit Price or lump sum price in the Bid for the work that required foundations, foundation caps, and slabs.
701-11 PULL BOXES.
701-11.1 General.
Add the following sentence to b) after the fourth paragraph:
Pull boxes shall not be located in or within one foot (1’) of any part of any curb ramp (sloped portions of the ramp; wings; grooves; or landings).
Replace the seventh paragraph with the following:
The Contractor may, at its own expense and subject to the approval of the Engineer, install additional pullboxes or use a larger standard size than that shown or specified, to facilitate the Work.
Add the following paragraphs after the seventh paragraph:
When pull boxes within the limits of concrete work are being relocated or adjusted to grade, new pull boxes and covers to match the existing pull box shall be furnished and installed by the Contractor.
If a larger pull box is needed to better accommodate the existing wires or conduit, the Contractor shall furnish and install the larger size pull box as directed by the Engineer.
Fiber optic pull boxes that are being adjusted to grade or relocated must be reconstructed like a new pull box.
When a pull box is subjected to vehicular traffic load, the cover shall be steel embossed with a non-skid pattern. Steel covers have a thirty-six inch (36”) minimum length bonding jumper attached to the systems ground. The box shall rest on a cast in place six inches (6”) wide by six inches (6”) deep minimum concrete footing around the full perimeter of the box.
Pull boxes in existing or future sidewalk areas shall be placed at sidewalk elevation. If there is no existing or future sidewalk in the area and an elevation is not shown on plans, pull boxes shall be set at the same elevation as adjacent signal standard base, service cabinet base or signal controller cabinet base. Pull boxes shall be five feet (5’) from base or as shown on the plans. The pull box elevations for pull boxes installed in median areas shall match the slope of the two adjacent curbs.
The pull box elevation for pull boxes installed in planti ng areas adjacent to sidewalk or sidewalk area shall be at sidewalk grade. Pull box elevation shall be one-tenth of a foot (0.1’) above finished grade for all other areas unless elevation is shown on plans or otherwise directed by the Engineer.
When pull boxes are placed in dirt and planting areas, a concrete collar shall be constructed around the pull box. The top of the pull box shall match slope of the adjacent top of curb. The surface elevation of the collar shall match the surface elevation of the pull box and slope away from the pull box at a rate of 1:50 (2% slope). The width of the collar shall be twelve inches (12”) wide and three and one-half inches (3-½”) in depth.
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The Contractor shall clean all pull boxes entered for installation of conduit or wire of all dirt and debris. All pull box lids damaged by Contractor operations shall be replaced at his/her expense. The wiring in these pull boxes shall be neatly bundled, recoiled and reinstalled in the box.
Where existing pull boxes are removed and adjusted to grade, or replaced with new larger boxes, the existing conduits within which the conductors or cables are installed shall be cut back to within two and one-half inches (2-½”) of the edge of the new box. When the conduits are cut, the existing cables or conductors must either be removed or well protected. The ends of the cut conduits must have bushings placed on them. Th e bushings can be threadless. The existing conductors or cables shall be re-routed to fit in the pull box.
Removed pull boxes shall become property of the Contractor and shall be removed from the project. Removed pull boxes within an improved surface such as concrete sidewalks, will replaced with the improved surface in kind, using methods described within these specifications.
701-11.3 Payment.
Replace this subsection with the following:
701-11.3 Payment. Payment for pull boxes shall be considered as included in the Contract Unit Price or lump sum price in the Bid for the work or items that required pull boxes and no additional compensation shall be allowed.
701-12 CONDUIT.
701-12.1 General.
Add the following paragraphs:
Conduit shall conform to the provisions in Subsection 86-1.02, "MATERIALS", 87-1.03B, “Conduit Installation” of the Caltrans Standard Specifications and these Special Provisions.
All conduit placed under the roadway shall be installed by jacking or drilling methods as provided in Subsection 87-1.03B , “ Conduit Installation” of the Caltrans Standard Specifications. The “Trenching in Pavement Method” may be allowed at the discretion of the Project Engineer or Inspector such as in the event of obstructions or utility conflicts and provided that traffic delay will not exceed five (5) minutes. Depth of trenches for conduit installation shall be thirty inches (30”) minimum depth to top of conduit unless otherwise approved by Project Engineer or Inspector.
Conduit shall have a maximum 45-degree sweep. The minimum conduit bend radii shall be twelve (12) times the cable diameter or twelve inches (12”) minimum. At locations where existing conduit is to be used that does not meet these requirements for sweep and bend radii, conduit shall be replaced with new sweeps or bends with minimum radii.
With the exception for bends to and from pull boxes and foundations the conduit shall run straight and true so that cable pulling forces are minimized.
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After cables have been installed, the ends of co nduits terminating in pull boxes and/or controller cabinets will be sealed with an approved type of sealing compound.
Cement slurry and trench backfill to be placed as described within these specifications.
Existing conduit to be incorporated into a new system shall be cleaned with cylindrical wire brush, the proper size mandrel shall be verified by the Engineer and the conduit shall be blown out with compressed air. Both old and new cables shall be pulled into the conduit as a unit or as directed by the Engineer.
If pull boxes for traffic detector loops are relocate d or adjusted to grade, new conduits shall be installed under the curb and gutter to provide access to the detector loop wires in the street.
Where conduit is installed in sidewalk and walkway areas the Contractor shall replace the sidewalk or walkway paving at the existing joint lines. The replacement surfacing shall match line, grade and material of the adjacent surfaces. This unit Cont ract price shall include th e repair of all concrete, improved surfaces, damaged landscape features, and replacement of existing conduit.
701-12.4 Rigid Non-Metallic Conduit.
Replace the second sentence with the following:
A separate No. 8 AWG, solid bare ground wire and a pull rope conforming to Subsection 700-3.6 (“Pull Tape or Rope.”) shall be inside at the time of installation.
701-12.7 Payment.
Replace the first paragraph of this subsection with the following:
Payment for conduit shall be considered as included in the Contract Unit Price or lump sum price in the Bid for the work that required conduit and no additional compensation shall be allowed.
701-16 STREET LIGHTING CONSTRUCTION.
701-16.1 General.
Add the following paragraph to this subsection:
The Contractor shall submit to the Engineer for approval shop drawings for the street lighting system, showing all necessary information for construc tion, including, but not limited to, wiring type and size, conduit type and size, fuse s, grounding, pull box size and lo cation, pole type and size, pole foundation type and size, orientation of handhole s and access points, connections, and voltage drop calculations. The Contractor shall incorporate th e shop drawings into the Record Drawings, showing all the information required by the City of Vista LED Street Light Standard Drawings ELE-01A through ELE-01C, and ELE-02A through ELE-02G.
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The Contractor shall supply all materials, labor, tools and equipment required to install the street lights at the locations indicated on the Plans. The Contractor shall salvage the existing street lights pole(s) shown on the Plans to be relocated and remove the foundation. The Contractor shall deliver any salvaged equipment to the Agency’s storage yard on Lupine Hills Drive. Terminations for street or parking lot lights to be removed and salvaged or relocated shall be in accordance with the National Electric Code. To avoid any live wires remaining in service, the entire length of wire extending to street light(s) being removed shall be disconnected at the power supply (to the street light being removed only) and removed from the site. Complete restoration of affected surface improvements shall be required.
For the Michigan Ave Parking Lot Project, Fonroche solar streetlights will be installed, 10 of these streetlights were recently installed Spires Street, Onley Drive, Tatum Street and Cocopah Street on the west side of N. Melrose Drive. The project shall install direct bury poles with concrete slurry back fill.
701-16.7 Luminaires.
701-16.7.4 Payment.
Replace this subsection with the following:
701-16.7.4 Payment. Payment for luminaires and all related equipment and labor shall be considered as included in the related items of work that required luminaires and no additional compensation shall be allowed.
701-16.8 Payment.
Add the following new subsection:
701-16.8 Payment. Payment for street lighting system installation shall be at the Contract Unit Price or lump sum price in the Bid, complete in place and fully functional. The work includes, but is not limited to, performing all necessary sawcutting, clearing and grubbing, structure excavation, trenching, concrete structure construction, backfilli ng, fine grading, removals, disposals, testing, energizing, and supplying and installing all condui t, wiring, foundations, and all other required appurtenances, and performing all other work requ ired to produce a complete and fully functional system(s) including final connections to electrical panels, energizing, and testing, as shown on the Plans and as specified herein. If no bid item is included, payment for the work shall be considered included in the related items of work, and no additional compensation will be allowed.
Payment for street lighting system modifications shall be at the Contract Unit Price or lump sum price in the Bid, and shall constitute full compensation for all materials, labor, equipment, tools, design engineering and shop drawing preparation, coordination with SDG&E, obtaining City of Vista Electrical Permit, salvaging existing street light pole as shown on the Plans, obtaining Agency-supplied materials and equipment, supplying all other materials needed for a complete installation, clearing and grubbing, earthwork, trenching, foundation work, obtaining approval from SDG&E, record of drawings, and all other work and incidentals necessary to pr operly construct and design a complete and fully functional street lighting system(s), and no additional compensation will be allowed. If no bid item is 08/26/2025
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included, payment for the work shall be considered as included in related items of work, and no additional compensation will be allowed.
701-17.2 Controllers.
701-17.2.7 Payment.
Replace this subsection with the following:
701-17.2.7 Payment. Payment for controllers, controller slabs, and all related equipment and labor shall be considered as included in the Contract Unit Price or lump sum price in the Bid for the work that required controllers and no additional compensation will be allowed.
701-17.4.5 Fiber Optic Cable.
701-17.4.5.1 General.
Add the following paragraphs to this subsection:
The Contractor is responsible for all testing and documentation required for approval and acceptance of the production, installation and operation of these materials and equipment. All indicators shall be verified to function correctly.
Attention is directed to “System Testing and Documentation,” elsewhere in these special provisions regarding testing the data transceiver/receivers.
701-17.4.5.1.1 Data Transmission Equipment.
Add the following new subsection:
701-17.4.5.1.1 Data Transmission Equipment. The data transmission equipment shall consist of a fiber optic modem, capable of transmitting a receiving data over the single mode fiber optic cable.
For this equipment the Contractor shall install additional 120 volt duplex outlets as required for connection of this equipment to 120 volt power. The connection shall provide isolation and surge protection. If required, additional outlets shall be protected and controlled through the installation of an additional circuit breaker in the Model 332 Cabinet Power Distribution Assemble. This circuit breaker shall be clearly marked.
In order to ensure compatibility, all new fiber optic modems shall be Vilink Model 230 or an equivalent approved by the City of Vista Engineer. Prior to installation, the operation of all equipment shall be verified using the same type of cable it is to be installed with. The fiber optic path for each data link shall have been tested and verified in accordance with the Contract prior to the data transmitter/receiver installation.
701-17.4.5.1.2 Installation of Data Transmission Equipment in Traffic Signal Cabinet. 08/26/2025
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Add the following new subsection:
701-17.4.5.1.2 Installation of Data Transmission Equipment in Traffic Signal Cabinet. The data transceiver shall be installed at the cabinet locations shown on the plans. The Contractor shall verify the desired physical space for the data transceiver with the Engineer prior to installation.
The Contractor shall furnish and install single mode fiber optic pig tails to connect the transceiver to the fiber distribution units. The pig tails shall have ST connectors. The Contractor is responsible for ensuring the connectors on the pig tails are fully compatible with those on the fiber distribution unit and the transceiver. The Contractor shall neatly route the pig tail from the transceiver to the distribution unit. No cables shall be installed with a bend radius less than the manufacturer's minimum recommended bending radius.
The data transceiver, also referred to as a fiber optic modem, shall accept data signals and convert them to a signal suitable for launching into one single mode optical fiber. The data transceiver shall fit into a small ruggedized metal package suitable for installation in a traffic signal controller cabinet.
The data transceiver shall have a center wavelength in the range from 80nm to 1310nm with an operating temperature from -29F to 165F.
The Contractor shall furnish and install a 12 volt DC 500mA power supply, as recommended by the manufacturer, to power to the data transceiver.
The Contractor shall input a data test signal into the data transceiver and set the optical power measured at the transceiver end of the fiber to the data transceiver sensitivity level. The optical signal shall then be connected to the data transceiver. The Engineer shall then qualitatively assess the data output. The Signal-to-Noise and signal-to-low frequency noise shall be measured and recorded.
701-17.4.5.1.3 Installation of Data Transmission Equipment in the Control Center.
Add the following new subsection:
701-17.4.5.1.3 Installation of Data Transmission Equipment in the Control Center. The data transceiver shall be installed in a standard ninet een-inch (19”) rack mountable card cage. The data out of the transceiver shall interface with the DB25 and RS232 / 422 port on the backside of the card cage.
The Contractor shall furnish and install single mode fiber optic jumpers to connect the transceiver to the fiber distribution unit. The jumpers shall have factory terminated ST connectors. The Contractor is responsible for ensuring the connectors on the jumpers are fully compatible with those on the fiber distribution unit and the transceiver. The Contractor shall neatly route the jumpers from the transceiver to the distribution unit. No cables shall be installed with a bend radius less than the manufacturer's minimum recommended bending radius.
The data transceiver, also referred to as a fiber modem, shall be connected by optical fiber to form a link having a center wavelength 1310nm. The data link is to provide point-to-point transmission and reception of data from signals using one single mode optical fiber as the transmission medium. 08/26/2025
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The data transceiver shall receive the optical signal launched into the single mode optical fiber of the corresponding data transceiver. The optical interface to the transceiver shall be an ST-style connector. The data transceiver sensitivity shall be defined as the minimum optical power required operating at the minimum data link performance sp ecifications. If the saturation level of the transceiver is not greater than the transceiver launch power level minus one dB, fixed attenuators shall be installed between the fiber and the transceiver to attenuate the received signal level. The data output interface from the data transceiver shall be a nickel-plated, ST connector.
701-17.4.5.1.4 Installation of Fiber Optic Node Transceiver.
Add the following new subsection:
701-17.4.5.1.4 Installation of Fiber Optic Node Transceiver. The Contractor shall perform pre- installation testing to verify that the transceiver and transceiver are compatible, meet manufacturer’s specifications and the requirements of these specifications.
The Contractor shall furnish and install a power supply, as recommended by the manufacturer, to power to the data transceiver.
The Contractor shall perform pre-installation testing to verify that the transmitter and receiver are compatible, meet manufacturer’s specifications and the requirements of these specifications.
The Contractor shall furnish and install fiber jumpers to connect the receiver to the fiber distribution unit. The Contractor shall neatly train all fiber strands together when routing them along the same path and shall neatly train them along the support rails in the equipment racks. No cables shall be installed with a bend radius less than the manufacturer’s minimum recommended bending radius.
The Contractor is responsible for all testin g and documentation required for approval and acceptance of the production, installation and operation of these materials and equipment. All indicators shall be verified to function correctly.
Attention is directed to “System Testing and Documentation,” elsewhere in these special provisions regarding testing the data transceiver.
701-17.4.5.1.5 Connectors.
Add the following new subsection:
701-17.4.5.1.5 Connectors. Factory test results shall be documented and submitted to the Engineer prior to installing any of the connectors. Single mode connectors shall have a yellow color on the body and/or boot.
Field termination shall be limited to splicing of adjoining trunk cable ends and pigtail breakouts.
The pigtails shall utilize factory installed ST connectors. 08/26/2025
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701-17.4.5.1.6 Fiber Distribution Unit in Cabinets.
Add the following new subsection:
701-17.4.5.1.6 Fiber Distribution Unit in Cabinets. The Contractor shall furnish and install a fiber distribution unit in each traffic signal controller cabinet having fiber installed as shown on the plans.
The units shall have provisions for storage of a fiber splice tray capable of housing up to twelve (12) single mode fiber splice tubes.
The fiber distribution unit shall be a rack mount, nineteen inch (19”) size, to be mounted inside the existing Cabinet. Each fiber distribution unit shall be able to hold a minimum of one (1) fiber splice tray. The fiber splice trays shall be metallic and capable of housing twelve (12) single mode fusion splice tubes.
701-17.4.5.1.7 Connection to Fiber Distribution Unit in City Hall / Duplication Center Server Room.
Add the following new subsection:
701-17.4.5.1.7 Connection to Fiber Distribution Unit in City Hall / Duplication Center Server Room.
The Contractor shall furnish and install necessary equipment needed to connect the new fiber optic interconnect to the existing fiber distribution unit in the City Hall / Duplication Center Server Room as shown on the plans. Existing slots and splice closur es will be used but will likely require additional equipment including, but, not limited to splice trays, connector panels, cords, pigtails, etc., necessary to make full communications connectivity to the existing system. Provisions for making this connection shall be included in the cost of other related pay items.
701-17.4.5.1.8 Fiber Optic Pig Tail Unit.
Add the following new subsection:
701-17.4.5.1.8 Fiber Optic Pig Tail Unit. The pig tail unit shall be composed of six (6) pre- connectorized fiber optic pig tails. All optical fibe rs shown on the plans to be connectorized shall be terminated with a ST connector. All cables shall use the same connectors. The connector shall not require a mechanical splice to a factory polished tip. All connectors must be pre-connectorized with pig tails that meet the fiber specifications under “Items 8-13.” The pig tail unit shall be composed of 6-900 micron color coded pig tails. The pig tails shall be two feet (2’) long.
The surface of the fiber end installed in a connector shall be free of scratches, pits and chips at two hundred times (200 x) magnification. No index-matching fluids, gels or anti-reflection coatings shall be applied to the end of the fiber.
The connectors shall conform to the following:
Insertion Loss: 0.25 dB typical, 0.4 dB Maximum.
Reflectance: Less than -50 dB at 1310 nm measured with a back reflection meter. 08/26/2025
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