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SECTION 8 - PROSECUTION, PROGRESS AND ACCEPTANCE OF THE WORK The prosecution of work, progress and acceptance of work shall be done according to Section 8, "Prosecution and Progress" of the Standard Specifications except as modified in these provisions. 8-1 CONSTRUCTION, SCHEDULE AND COMMENCEMENT OF WORK
In addition to the requirements of Subsection 8-1.02, "Schedule", and Subsection 8-1.02B(3), "Updated Schedule" of the Standard Specifications, the following shall also apply.
The Contractor shall not begin work until the Town issues the Notice to Proceed. Contractor shall begin work within five (5) working days from the date of issuance of the Notice to Proceed and shall diligently prosecute the work to completion before the expiration of SIXTY (60) working days. The Town shall begin charging working days on the fifth day following the date of issuance of the Notice to Proceed.
Prior to the issuance of the Notice to Proceed, a pre-construction conference will be held at the office of the Public Works Director between the Town and the Contractor. The purpose of this meeting shall be to discuss the scope of work, the Plans and Specifications, existing conditions, materials to be ordered, equipment to be used, and all essential matters pertaining to the prosecution of and satisfactory completion of the project as required. The Contractor's representatives at this conference shall include the field superintendent, supervisors, and major subcontractors. The pre-construction conference will be scheduled immediately after the Contract agreement has been approved by the Town.
8-2 WRITTEN NOTICE AND REPORT
Subsection 8-1.06, "Suspensions" of the Standard Specifications is amended to include the following:
If the Contractor desires payment for a delay as specified in Subsection 8-1.07, "Delays", or an extension of time, he/she shall, within seven (7) days after the beginning of the delay, file with the Town a written request and report as to the cause and extent of the delay. Failure by the Contractor to file these items within the time specified will be considered grounds for refusal by the Town to consider such requests.
Upon receipt of a written request for extension of time or payment, the Town shall ascertain the facts and the extent of the delay, and his findings thereon shall be final and conclusive. 8-3 WORKING DAY
The following paragraphs are added to Subsection 8-1.05, "Time", of the Standard Specifications.
The Contractor's working day activities shall be limited to the hours between 8:00 a.m. and 5:00 p.m., Monday through Friday, excluding designated Town holidays. Deviation from normal working hours will not be allowed without prior written consent of the Engineer.
In the event work is allowed by the Engineer outside of the above working hours, at the request of and for the benefit of the Contractor, inspection service fees may be levied against the Contractor at a rate of $160.00 per hour per inspector, including travel time where applicable, with a minimum hourly charge for four (4) hours.
The above charge may also be levied if inspection services are deemed necessary by the Engineer as a matter of public safety or to otherwise insure the quality of the work.
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The following are the designated Town holidays:
1. January 1 (New Year's Day)
2. The third Monday in January (Martin Luther King's Birthday)
3. The third Monday in February (President’s Day)
4. The last Monday in May (Memorial Day)
5. July 4 (Independence Day)
6. The first Monday in September (Labor Day)
7. The second Monday in October (Indigenous Peoples’ Day)
8. November 11 (Veterans' Day)
9. The fourth Thursday in November (Thanksgiving Day)
10. The day after Thanksgiving Day
11. December 24 (Christmas Eve)
12. December 25 (Christmas Day)
8-4 COMPLETION AND ACCEPTANCE
Contractor's attention is directed to Subsection 5-1.46, "Final Inspection and Contract Acceptance" of the Standard Specifications.
8-5 LIQUIDATED DAMAGES
The Contractor’s attention is directed to Section 8-1.10, "Liquidated Damages" of the Standard Specifications.
The Contractor shall pay the Town of Los Altos Hills the sum of Five-hundred ($500.00) per day for each calendar day delay in completing the work in excess of the number of working days allowed for the Contract. 8-6 USE OF IMPROVEMENT DURING CONSTRUCTION
The following paragraphs are added to the provisions in Subsection 7-1.03, "Public Convenience" of the Standard Specifications:
Contractor will not be allowed any compensation due to any delay, hindrance, or inconvenience to his/her operation caused by Town's decision to take over all or part of any completed facility or appurtenance.
Full compensation for conforming to the requirements in this Section of the Special Provisions shall be considered as included in the prices paid for the various Contract items of work and no additional compensation will be allowed therefor.
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SECTION 9 - RESPONSIBILITIES OF THE CONTRACTOR
9-1 LABOR NONDISCRIMINATION
Attention is directed to the following Notice that is required by Chapter 5 of Division 4 of Title 2, California Code of Regulations.
NOTICE OF REQUIREMENT FOR NONDISCRIMINATION PROGRAM
(GOV. CODE, SECTION 12990)
Your attention is called to the "Nondiscrimination Clause", set forth in Subsection 7-1.02I(2), "Nondiscrimination", of the Standard Specifications, which is applicable to all nonexempt state contracts and subcontracts, and to the "Standard California Nondiscrimination Construction Contract Specifications" set forth therein. The Specifications are applicable to all nonexempt state construction contracts and subcontracts of $5,000 or more.
9-1.1 PREVAILING WAGE
Attention is directed to Subsection 7-1.02K(2), "Wages," of the Standard Specifications.
The general prevailing wage rates determined by the Director of Industrial Relations, for the county or counties in which the work is to be done, are available at the Town of Los Altos Hills, Public Works Department. These wage rates are not included in the Proposal and Contract for the project. Changes, if any, to the general prevailing wage rates will be available at the same location. 9-1.2 REMOVAL OF ASBESTOS AND HAZARDOUS SUBSTANCES
When the presence of asbestos or hazardous substances are not shown on the plans or indicated in the specifications and the Contractor encounters materials which the Contractor reasonably believes to be asbestos or a hazardous substance as defined in Section 25914.1 of the California Health and Safety Code, and the asbestos or hazardous substance has not been rendered harmless, the Contractor may continue work in unaffected areas reasonably believed to be safe. The Contractor shall immediately cease work in the affected area and report the condition to the Engineer in writing.
In conformance with Section 25914.1 of the Health and Safety Code, removal of asbestos or hazardous substances including exploratory work to identify and determine the extent of the asbestos or hazardous substance will be performed by separate contract.
If delay of work in the area delays the current controlling operation, the delay will be considered a right of way delay and the Contractor will be compensated for the delay in conformance with the provisions in Subsection 8-1.07, "Delays", of the Standard Specifications. 9-1.3 SUBCONTRACTING
Attention is directed to the provisions in Subsection 5-1.13, "Subcontracting", Section 2, "Bidding", and Section 3, "Contract Award and Execution", of the Standard Specifications and these special provisions. 9-1.4 PROMPT PROGRESS PAYMENT TO SUBCONTRACTORS
Attention is directed to the provisions in Sections 10262 and 10262.5 of the Public Contract Code and Section 7108.5 of the Business and Professions Code concerning prompt payment to subcontractors. 9-1.5 PROMPT PAYMENT OF WITHHELD FUNDS TO SUBCONTRACTORS The Contractor shall return all moneys withheld in retention from the subcontractor within 30 days after receiving payment for work satisfactorily completed, even if the other contract work is not completed and has not been accepted in conformance with Subsection 5-1.46, "Final Inspection and Contract Acceptance", of the Standard Specifications. This requirement shall not be construed to limit or impair any contractual, administrative, or judicial remedies otherwise available to the Contractor or subcontractor in the event of a
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dispute involving late payment or nonpayment by the Contractor or deficient subcontract performance or noncompliance by a subcontractor.
9-2 LAWS
Attention is directed to Subsection 7-1.02, "Laws", of the Standard Specifications and these provisions.
The general prevailing wage rates applicable to the County of Santa Clara are listed in the publication titled "General Prevailing Wage Rates." This document is hereby made part of this Contract by reference. Copies of the current versions of this document are on file in the Office of the Public Works Director, 26379 Fremont Road, Los Altos Hills, CA 94022.
The Town will not recognize any claim for additional compensation because of payment by the Contractor of any wage in excess of the prevailing wage rates set forth in the General Prevailing Wage Rates which is part of this Contract. The possibility of wage increases is one element to be considered by the Contractor in determining his/her bid, and will not under any circumstances be considered as a basis of claim against the Town on the Contract.
The Contractor shall comply with Labor Code Sections 1774 and 1775. The Contractor shall forfeit, as a penalty, $50.00 per each calendar day or portion thereof for each worker paid less than the stipulated prevailing rates in violation of the provisions of the Labor Code and in particular Labor Code Section 1770 to 1780 inclusive. In addition to said penalty, the difference between such stipulated prevailing wage rates and the amounts paid for each worker paid less than the stipulated prevailing wage rates shall be paid to each of said workers by the Contractor.
Attention is directed to Section 1735 of the Labor Code, which reads as follows:
"No discrimination shall be made in the employment of persons upon public works because of the race, religious creed, color, national origin, ancestry, physical handicap, medical condition, marital status, or sex of such persons, except as provided in Section 12940 of the Government Code, and every Contractor for public works violating this Section is subject to all the penalties imposed for a violation of this chapter." Attention is also directed to the requirements of the California Fair Employment and Housing Act (Government Code Section 12900 through 12996 - Stat. 1980, Chapter 992), to the regulations promulgated by the Fair Employment and Housing Commission to implement said Act, and to the non-discrimination, affirmative action and equal employment opportunity requirements in these Special Provisions.
If the project is funded by fiscal assistance from another governmental entity, Contractor shall comply with all applicable rules and regulations of such fiscal assistance program incorporated into the Special Provisions. 9-2.1 PAYROLL RECORDS
The Contractor and subcontractor’s attention is directed to the provisions of Section 1776 of the California Labor Code and to the requirements therein pertaining to the keeping, availability, and filing of accurate payroll records of all journeymen, apprentices, and other workers performing work under this Contract. The Contractor agrees to comply with the requirements of said section.
Prior to each monthly progress payment, the Contractor shall deliver to the Engineer copies of certified payrolls of its and all subcontractors’ forces performing work at the job site (or sites established primarily for the work) for labor compliance purposes and extra/force account considerations. Such records shall be kept current on an effective day or period basis and in a form acceptable to the Engineer. At a minimum, the form shall include the following information:
1. Employee identification by name
2. Employee’s address and social security number
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3. Employee’s craft and classification (in accordance with Director of Industrial Relations’ wage determinations)
4. Employee’s actual per diem wages (in compliance with Part I, Notice to Contractors, and this Section GC-20, Laws and Regulations)
5. Employee’s subsistence and travel allowance (as applicable)
6. Employee’s straight time and overtime hours worked each day and week
7. Itemized deductions made from employee’s wages
8. Apprentices and ratio of apprentices to journeymen
9. Contractor’s or subcontractor’s firm or company name, date or period for which applicable wage rates and allowances are effective, and the employer’s signature.
The certified payroll records shall be kept on forms provided by the Division of Labor Standards Enforcement (DLSE), or shall contain the same information as the forms provided by the Division in addition to the abovelisted information.
For all projects awarded on or after April 1, 2015, in addition to submitting the certified payrolls to the Engineer, the Contractor shall furnish the records specified in California Labor Code section 1776, including but not limited to the certified payrolls, directly to the Labor Commissioner. The Contractor shall furnish the records specified in California Labor Code section 1776 to the Labor Commissioner for all projects, whether such project is a new project awarded on or after, or an ongoing project awarded prior to, January 1, 2016.
Each payroll record shall contain or be verified by a written declaration that is made under penalty of perjury stating: (1) The information contained in the payroll is true and correct; and (2) The employer has complied with the requirements of California Labor Code Sections 1771, 1811, and 1815 for any work performed by its employees on the Project.
The Contractor shall inform the Town of the location of the above payroll records, including the street address, city and county, and shall, within five (5) working days, provide a notice of change of location and address.
The contractor or subcontractor has 10 days in which to comply subsequent to receipt of a written notice requesting certified payroll records. In the event that the contractor or subcontractor fails to comply within the 10-day period, he or she shall, as a penalty to the Town or DLSE, forfeit one hundred dollars ($100) for each calendar day, or portion thereof, for each worker, until strict compliance is effectuated. Upon the request of the DLSE, these penalties shall be withheld from progress payments then due. The Contractor is not subject to a penalty assessment pursuant to this section due to the failure of a subcontractor to comply with this section.
Any copy of records made available for inspection as copies and furnished upon request to the public or any public agency by the Town or DLSE shall be marked or obliterated in accordance with California Labor Code section 1776.
Compliance with the above provisions of this Part II, and California Labor Code, Section 1776, shall be the responsibility of the Contractor or subcontractor. Pursuant to Labor Code Section 1771.4, Contractor is required to post all job site notices prescribed by law or regulation that include, but are not limited to, payment of prevailing wages.
9-2.2 LIABILITY INSURANCE
Attention is directed to Subsection 7-1.06, "Insurance", of the Standard Specifications and these provisions.
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Contractor shall procure and maintain for the duration of the Contract insurance against claims for injuries to persons or damages to property which may arise from or with the performance of the work hereunder by the Contractor, his/her agents, representatives, employees or subcontractors. The cost of such insurance shall be considered as included in the prices for the various Contract items of work involved and no additional compensation will be allowed therefor.
A. Minimum Scope of Insurance. Coverage shall be at least as broad as:
1. Insurance Services Office form number GL 0002 (Ed. 1/73) covering Comprehensive General Liability and Insurance Services Office form number GL 0404 covering Broad Form Comprehensive General Liability; or Insurance Services Office Commercial General Liability coverage ("occurrence" form CG 0001).
2. Insurance Services Office form number CA 0001 (Ed. 1/78) covering Automobile Liability, code 1 "any auto" and endorsement CA 0025.
3. Workers' Compensation insurance as required by the Labor Code of the State of California and Employers Liability insurance.
B. Minimum Limits of Insurance. Contractor shall maintain limits no less than:
1. Commercial General Liability: $3,000,000 combined single limit, annual aggregate for bodily injury, personal injury and property damage; and with a minimum of $1,000,000.00 per occurrence.
2. Automobile Liability: $1,000,000 combined single limit per accident for bodily injury and property damage.
3. Workers' Compensation and Employers Liability: Workers' compensation limits as required by the Labor Code of the State of California and Employers Liability limits of $1,000,000 per accident.
C. Deductibles and Self-Insured Retention. Any deductibles or self-insured retention must be declared to and approved by the Town. At the option of the Town, either the insurer shall reduce or eliminate such deductibles or self-insured retention as respects the Town, its officers, officials and employees; or the Contractor shall procure a bond guaranteeing payment of losses and related investigations, claim administration and defense expenses.
D. Other Insurance Provisions. The policies are to contain, or be endorsed to contain, the following provisions:
1. General Liability and Automobile Liability Coverage. a. The Town, its officers, officials, employees and volunteers are to be covered as insured as respects: liability arising out of activities performed by or on behalf of the Contractor; products and completed operations of the Contractor, premises owned, occupied or used by the Contractor; or automobiles owned, leased, hired or borrowed by the Contractor. The coverage shall contain no special limitations on the scope of the protection afforded to the Town, its officers, officials, employees or volunteers.
b. The Contractor's insurance coverage shall be primary insurance as respects the Town, its officers, officials, employees and volunteers. Any insurance or self-insurance maintained by the Town, its officers, officials, employees or volunteers shall be excess of the Contractor's insurance and shall not contribute with it.
c. Any failure to comply with reporting provisions of the policies shall not affect coverage provided to the Town, its officers, officials, employees or volunteers. d. The Contractor's insurance shall apply separately to each insured against whom claim is made or suit is brought, except with respect to the limits of the insurer's liability.
2. Workers' Compensation and Employers Liability Coverage.
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The insurer shall agree to waive all rights of subrogation against the Town, its officers, officials, employees and volunteers for losses arising from work performed by the Contractor for the Town.
3. All Coverage.
Each insurance policy required by this clause shall be endorsed to state that coverage shall not be suspended, voided, canceled by either party, reduced in coverage or in limits except after thirty (30) days prior written notice by certified mail, return receipt requested, has been given to the Town.
E. Acceptability of Insurers. Insurance is to be placed with insurers with a best rating of no less than A:VII.
F. Verification of Coverage. Contractor shall furnish Town with certificates of insurance and with original endorsements effecting coverage required by this clause. The certificates and endorsements for each insurance policy are to be signed by a person authorized by that insurer to bind coverage on its behalf.
The certificates and endorsements are to be received and approved by the Town before starting work.
The Town reserves the right to require complete, certified copies of all required insurance policies, at any time.
G. Subcontractors. Contractor shall include all subcontractors as insured under its policies or shall furnish separate certificates and endorsements for each subcontractor. All coverage for subcontractors shall be subject to all the requirements stated herein.
9-2.3 RESERVED
9-2.4 HOLD HARMLESS AND RESPONSIBILITY OF CONTRACTOR
Contractor shall take all responsibility of the work, shall bear all losses and damages directly or indirectly resulting to him/her, to any subcontractor, to the Town, to Town officers and employees, or to parties designated by the Town, on account of the performance or character of the work, unforeseen difficulties, accidents, occurrences or other causes predicated on active or passive negligence of the Contractor or of any subcontractor. Contractor shall indemnify, defend and hold harmless the Town, its officers, officials, directors, employees and agents from and against any or all loss, liability, expense, claim costs (including costs of defense), suits, and damages of every kind, nature and description directly or indirectly arising from the performance of the work. This paragraph shall not be construed to exempt the Town, its employees and officers from its own fraud, willful injury or violation of law whether willful or negligent. By execution of this agreement, Contractor acknowledges and agrees that he/she has read and understands the provisions hereof and that this paragraph is a material element of consideration.
Approval of the insurance Contracts does not relieve the Contractor or subcontractors from liability under this paragraph.
9-2.5 RESPONSIBILITY FOR DAMAGE
Attention is directed to Subsection 7-1.05, "Indemnification", of the Standard Specifications.
The Town of Los Altos Hills and all officers and employees thereof connected with the work, including but not limited to the Engineer, shall not be answerable or accountable in any manner for any loss or damage that may happen to the work or any part thereof; for any loss or damage to any of the materials or other things used or employed in performing the work; for injury to or death of any person, either work persons or public; or for damage to property from any cause which might have been prevented by the Contractor, or his/her crew, or any one employed by him/her.
It is the intent of the parties that the Contractor will indemnify and hold harmless the Town, its officers and employees from any and all claims, suits or actions as set forth above, regardless of the existence or degree of fault or negligence on the part of the Town, Contractor, subcontractor or employee of any of these, other than the active negligence of the Town, its officers and employees.
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9-2.6 FAILURE TO MAINTAIN INSURANCE
During the term of this Agreement and until final completion and acceptance of work by the Town, the Contractor shall maintain in full force and effect insurance coverage in the forms and amounts specified in the Special Provisions and the Contract Documents. If, at any time during the performance of this Contract, Contractor fails to maintain any item of required insurance in full force and effect, Contractor shall immediately discontinue all work under the Contract and Town will withhold all Contract Payments due or that become due until notice is received by Town that such insurance has been restored in full force and effect and that the premiums therefor have been paid for a period satisfactory to the Town. 9-2.7 REGISTRATION OF CONTRACTORS
Before submitting bids, Contractors shall be licensed in accordance with the provisions of the State Contractors' License Law, Business and Professions Code 7000 et seq. as amended. Pursuant to California Labor Code section 1771.4, the project that is the subject and purpose of this contract is subject to prevailing wage compliance monitoring by the California Department of Industrial Relations.
Pursuant to California Labor Code section 1771.1, by execution below, the Bidder and its Subcontractors certify that when the Bidder’s bid was submitted, the Bidder and its Subcontractors were registered and qualified to perform public work pursuant to section 1725.5 of the California Labor Code, subject to limited legal exceptions.
9-3 PERMITS
Contractor's attention is directed to Subsection 5-1.20B, "Permits, Licenses, Agreements, and Certifications" of the Standard Specifications and these provisions. In addition to the requirements of Subsection 5-1.20B, "Permits, Licenses, Agreements, and Certifications" of the Standard Specifications, the following requirements shall also apply.
Prior to commencement of work, the Contractor shall obtain and pay for all applicable permits from the Town.
The following Town permits are required:
Business License (obtain from Finance Department)
Contractor shall comply with all conditions set forth in these permits and agreements, and shall bear the full costs of all expenses incurred in such compliance. Full compensation for said expenses incurred for complying with the conditions and requirements of these permits shall be considered included in the various contract items of work, and no addition payment will be allowed therefore.
Copies of these permits are attached or are available and may be inspected at the offices of the Director of Public Works, 26379 Fremont Road, Los Altos Hills, CA 94022.
Contractor represents and warrants the Town that he/she has all licenses, permits, qualifications and approvals of whatsoever nature which are legally required for Contractor to practice his/her profession.
Contractor represents and warrants the Town that Contractor shall, at his/her sole cost and expense, keep in effect at all times during the term of this Agreement any licenses, permits, and approvals that are legally required for Contractor to practice his/her profession.
A Los Altos Hills Business License is required of any person who transacts or conducts any business, trade, profession, calling or occupation in the Town of Los Altos Hills. The Contractor shall submit a copy of his/her receipt or other evidence showing payment of the current Town of Los Altos Hills Business license.
9-4 THE CONTRACTOR'S REPRESENTATIVE
9-4.1 INDEPENDENT CONTRACTOR
At all times during the term of this Agreement, Contractor shall be an independent Contractor and shall not be an employee of Town. The Town shall have the right to control Contractor only insofar as the results of the Contractors services rendered pursuant to this Agreement.
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9-4.2 CONTRACTOR NOT AGENT
Except as Town may specify in writing, Contractor shall have no authority, express or implied, to act on behalf of Town in any capacity whatsoever as an agent. Contractor shall have no authority, express or implied, pursuant to this Agreement to bind Town to any obligation whatsoever. 9-4.3 ASSIGNMENT PROHIBITED
No party to this Agreement may assign any right or obligation pursuant to this Agreement. Any attempted or purported assignment of any right or obligation pursuant to this Agreement shall be voided and of no effect. 9-5 PROJECT SITE MAINTENANCE
9-5.1 SOUND CONTROL REQUIREMENTS
The Contractor’s attention is directed to Subsection 14-8.02, "Noise Control", of the Standard Specifications.
The noise level from the Contractor's operations, between the hours of 9:00 p.m. and 6:00 a.m., shall not exceed 86 DBA at a distance of 50 feet. This requirement in no way relieves Contractor from the responsibility for complying with local ordinances regulating noise levels.
Said noise level requirement shall apply to all equipment on the job or related to the job including, but not limited to trucks, transit mixers or transient equipment that may or may not be owned by the Contractor. The use of loud sound signals shall be avoided in favor of light warnings except those required by safety laws for the protection of personnel.
Full compensation for conforming to the requirements of this Section shall be considered as included in the prices paid for the various Contract items of work involved and no additional compensation will be allowed therefor.
9-5.2 CLEAN UP AND DUST CONTROL
The Contractor’s attention is directed to Subsection 4-1.13, "Cleanup", and Subsection 14-11.04 "Dust Control", of the Standard Specifications and these provisions: All excess material shall become the property of the Contractor to be disposed off Town property as it sees fit. Full compensation for compliance with this Section shall be considered included in the Contract prices paid for the various items of work and no separate compensation will be allowed therefor.
9-6 PROTECTION AND RESTORATION OF EXISTING IMPROVEMENTS Contractor's attention is directed to Subsection 5-1.36, "Property and Facility Preservation", of the Standard Specifications.
9-7 PUBLIC CONVENIENCE AND SAFETY
The Contractor’s attention is directed to Subsection 7-1.03, "Public Convenience", and Subsection 7-1.04, "Public Safety", of the Standard Specifications.
9-7.1 TRAFFIC AND ACCESS
The following paragraph is added to Subsection 7-1.03, "Public Convenience", of the Standard Specifications.
Contractor shall not obstruct public pedestrian pathways with construction material or equipment. 9-7.2 STREET CLOSURES, DETOURS, BARRICADES
The following paragraphs are added to Section 12, "Temporary Traffic Control", of the Standard Specifications. The Contractor’s attention is also drawn to Subsection, 7-1.03 "Public Convenience", and Subsection 12-4, "Maintaining Traffic", of the Standard Specifications.
The Contractor may establish "No Parking" zones contiguous to the work area by posting signs. The Town will enforce parking restrictions only when the Contractor has posted the proper signs and has notified the County of Santa Clara Sheriff Department a minimum of 48 hours in advance of the required restriction period.
Access to private property shall be maintained at all times.
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The Contractor shall place signs located one at the beginning of the work area and one at end of the work area for each street. Only one sign will be needed at the entrance of a cul-de-sac. The signs shall be 6 by 4 feet in size. The signs shall be installed two weeks in advance prior to the beginning of work. The signs shall display the following:
PROJECT NAME
SCHEDULE OF WORK
CONTACT PHONE NUMBER: TOWN OF LOS ALTOS HILLS, PUBLIC WORKS DEPARTMENT "EXPECT DELAYS DURING CONSTRUCTION"
With specific approval by the Engineer the affected portions of the streets listed below may be closed to through traffic: NONE.
Access for local residents and businesses shall be maintained. At the end of each working day these streets shall be reopened to through traffic with proper barricades, warning devices and temporary striping. No two adjacent streets shall be closed at the same time during the construction of a given segment. The Contractor shall furnish and maintain all signs, lights, barricades, and flag persons necessary as determined by the Engineer. If these streets are closed, the Contractor shall proceed expeditiously and with consideration for public convenience from the start of excavation to completion of paving.
The Contractor shall submit detailed traffic control plan(s) for the Engineer's approval two weeks prior to commencing work. Construction signs, lights, barricades, etc., shall conform to the latest revision on the Manual of Uniform Traffic Control Devices (MUTCD) by the California Department of Transportation.
Flashing arrow signs (24 hour operation) shall be required by Engineer if deemed necessary for safe construction operations at busy streets. All barricades shall have operating warning lights. Barricades shall be placed twenty (20) feet center to center maximum.
If a hazardous condition is observed and the Town notifies the Contractor either directly or by telephone, the Contractor shall correct the condition immediately. If the Contractor fails to correct the hazardous condition immediately, the Town reserves the right to install or have installed the necessary lights, barricades, etc. The cost involved shall be deducted from any money due or to become due the Contractor.
Full compensation for compliance with this Section shall be considered as included in the prices for other bid items and no separate payment will be allowed therefor. 9-7.3 PUBLIC SAFETY
In addition to the requirements of Subsection 7-1.04, "Public Safety", of the Standard Specifications, the following shall also be required of the Contractor.
Contractor must submit two sets of a Safety Plans to the City Engineer/Public Works Director within seven (7) working days from the date the City Council awarded the project.
It is the Contractor's responsibility to provide for the safety of traffic and the public. Whenever the Contractor's operations create a condition hazardous to traffic or to the public, he/she shall, at his/her expense and without cost to the Town, furnish, erect and maintain such fences, temporary railing, barricades, lights, signs and other devices and take such other protective measures as are necessary to prevent accidents, damage or injury to the public. Such fences, temporary railing, barricades, lights, signs and other devices furnished, erected and maintained by the Contractor, at his/her expense, are in addition to any construction area traffic control devices for which payment is provided for elsewhere in the specifications. 9-7.3.1 SAFETY ORDERS
Contractor's attention is directed to Subsection 7-1.02K(6), "Occupational Safety and Health Standards" and Subsection 7-1.04, "Public Safety" of the Standard Specifications.
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The following paragraph is added to Subsection 7-1.02K(6) of the Standard Specifications:
Notwithstanding any provisions of the Standard Specifications and the Special Provisions, 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. This requirement will apply continuously and will not be limited to normal working hours. Safety and sanitary provisions shall conform to applicable Federal, State, County, and Local Laws, Regulations, Ordinances, Standards and Codes. Where any of these are in conflict, the more stringent requirement shall be followed.
9-8 ANTITRUST CLAIMS
Contractor's attention is directed to Subsection 7-1.02L(2) of the Standard Specifications.
END OF SECTION
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SECTION 10 – FACILITIES FOR AGNECY PERSONNEL
Attention is directed to Subsection 9-1.16D, "Mobilization", of the Standard Specifications.
END OF SECTION
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SECTION 11 - MEASUREMENT AND PAYMENT
11-1 PAYMENTS
11-1.1 WORK NOT ITEMIZED IN THE CONTRACT PRICE SCHEDULE Full compensation for items of work and/or requirements called for on the Plans, Contract Documents (including the Special Provisions) and/or Standard Specifications but not itemized or included in the Item Price Schedule as a specific bid item shall be considered included by the contractor or bidder in one or more of the various bid items and no additional compensation will be paid, therefore. 11-1.2 RELEASE OF RETENTION
The following paragraphs are added to Subsection 9-1.17D, "Final Payment and Claims" as follows:
The work will be inspected by the Engineer for acceptance when the Contractor has completed the final inspection punch list items of corrective work. If, in the Engineer’s judgment, the work has been completed according to the plans and specifications, the Engineer will recommend acceptance of the work to the City Council at their next meeting. The Council may accept or conditionally accept the project.
The date the City Council accepts the project will be the date the Contractor is relieved from responsibility to protect the work. A lien period of 35 calendar days shall begin from the date Council accepts the project.
Final payment of amounts deducted and placed in an escrow account or retained from the final contract amount shall be paid to the Contractor at the end of this lien period. Exception shall be those amounts required by law to be withheld by properly executed and filed notices to stop payment, or as may be authorized by the Contract to be further retained.
11-1.3 PARTIAL AND FINAL PAYMENT
The following paragraph is added to Subsection 9-1.16, "Progress Payments" and Subsection 9-1.17, "Payment After Contract Acceptance" of the Standard Specifications:
The making and acceptance of the final payment shall constitute a waiver of all claims by the Town, other than those arising from any of the following: (1) unsettled liens, (2) faulty work appearing within twenty-four (24) months after final payment, (3) requirements of the specifications, or (4) manufacturer's guarantees. It shall also constitute a waiver of all claims by the Contractor, except those previously made and still unsettled. 11-2 PAYMENT SCHEDULE
BID ITEM 1– SANITARY SEWER SPOT REPAIR 6"
Work shall consist of potholing all crossing utilities, video inspecting of sewer pipe to locate the spot repair, bypassing sewer flow as necessary, removal of existing 6" VCP sanitary sewer main and replacement with 6" PVC SDR-26 by open trench. Work also includes all applicable reducers, adapter and couplers, together with the restoration of all improvements disturbed by this operation.
Approximate locations of the spot repair indicated on the plans are for bid information only. Contractor shall video inspect and determine the exact locations prior to open trench excavation.
Measurement and payment to spot repair existing pipes by open trench shall be based on the actual lineal foot replaced at the contract bid unit price.
The contract price paid per lineal foot unit price for spot repair of 6" sewer pipe shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals for doing all work involved in determining the exact repair locations and constructing the sewer pipe at locations shown on the plans, as specified herein and as directed by the Engineer.
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BID ITEM 2 – PIPE BURSTING/PIPE REAMING - UPSIZE FROM 6" VCP TO 6" HDPE SDR-17 Work shall consist of potholing all crossing utilities, video inspecting of sewer pipe to locate the lateral connections, exposing the main at every lateral connection and disconnecting the service connections, bypassing sewer flow as necessary, installing new 6" High Density Polyethylene Pipe (HDPE) SDR-17 by pipe bursting/reaming method, repairing asphalt concrete pavement, replacing improvements if needed as described in 12-5, replanting landscape, and perform required tests.
Pipe length to be paid for shall be measured between the ends of the HDPE pipe from manhole to manhole.
In the case where bursting/reaming operation encounters obstruction and requires excavation at the location of the obstruction, the Contractor shall be paid for the length of excavation per open trench unit price regardless of the trench width needed to extract the obstruction.
The contract price paid per lineal foot for replacing 6" VCP with 6" HDPE SDR-17 by pipe bursting/reaming shall include full compensation for furnishing all labor, materials, tool, equipment and incidental for doing all work involved in installing the HDPE at locations show on the plans, as specified herein and as directed by the Engineer.
BID ITEM 3 – PIPE BURSTING/PIPE REAMING – REPLACE 6" VCP WITH 8" HDPE SDR-17 Work shall consist of potholing all crossing utilities, video inspecting of sewer pipe to locate the lateral connections, exposing the main at every lateral connection and disconnecting the service connections, bypassing sewer flow as necessary, installing new 8" High Density Polyethylene Pipe (HDPE) SDR-17 by pipe bursting/reaming method, repairing asphalt concrete pavement, replacing improvements if needed as described in 12-5, replanting landscape, and perform required tests.
Pipe length to be paid for shall be measured between the ends of the HDPE pipe from manhole to manhole.
In the case where bursting/reaming operation encounters obstruction and requires excavation at the location of the obstruction, the Contractor shall be paid for the length of excavation per open trench unit price regardless of the trench width needed to extract the obstruction.
The contract price paid per lineal foot for replacing 6" VCP with 8" HDPE SDR-17 by pipe bursting/reaming shall include full compensation for furnishing all labor, materials, tool, equipment and incidental for doing all work involved in installing the HDPE at locations show on the plans, as specified herein and as directed by the Engineer.
BID ITEM 4 – REPLACE LATERAL CONNECTION TO MAIN
Work includes root removal from the lateral and bypassing sewer flow as necessary; installation of an electrofusion wye saddle, a PE SDR 26 short pipe and an 1/8 long radius bend, electrofusion couplings, and one (1) five-foot replacement length 4" or 6" PE SDR 26 pipe to make the connection for pipe bursting/reaming method; installation of PVC in-line wye connection per Standard Details SS-5 and SS7; one (1) five-foot replacement length of 4" or 6" PVC SDR-26 pipe to make the connection for the spot repair method; together with the restoration of all existing improvements, including but limited to existing property cleanout, disturbed by this operation.
When multiple laterals exist at an address, contractor shall dig at each location to determine if lateral is live. Only live laterals are to be reconnected. Laterals to be abandoned shall be disconnected at the main sewer connection per Standard Detail 24. Payment for lateral reconnection will be based on actual number of live laterals reconnected.
Measurement and payment to connect existing lateral to sewer main in conjunction with sewer main replacement shall be based on the actual number of lateral reconnection made at the contract bid unit price.
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The contract price paid for Bid Item 4 shall include full compensation for furnishing all labor, materials, tool, equipment, sewer bypass, verifying active lateral by dye testing or video inspection, excavation, removal and disposal of excess material, reconnecting the lateral to the new main, and all other incidentals necessary to complete the work as specified in specified in the Standard Specifications and these Special Provisions, and as directed by the Engineer.
BID ITEM 5 – RECONNECT SEWER MAIN TO EXISTING MANHOLE
Work shall be paid per each manhole reconnection made per Standard Detail SS-1. The contract price paid for Bid Item 5 shall include all work equipment, material, labor, tools, to modify existing manhole to accommodate the new up-sized 8" sewer mains; prepare and coat the manhole interior; and all other incidentals necessary as described in these specifications and as shown on the plans, as specified herein and as directed by the Engineer.
BID ITEM 6 – MOBILIZATION/DEMOBILIZATION
Work shall be paid on a lump sum basis and shall include preparatory work and operations, all work necessary for project administration and coordination, establishing storage and staging areas, move-in of personnel equipment and supplies, implementing and maintaining satisfactory BMPs standards based on Santa Clara Urban Runoff Pollution Prevention Program, providing traffic control throughout the duration of construction, and incidentals to the project locations; and for the cost of preparation, submission, and re-submission of submittals.
The amount to be paid for mobilization/demobilization shall not exceed 5% of total of the base bid and no additional monies will be paid for these Bid Items in excess of this amount in accordance to Section 13 – Mobilization.
Payments for this lump sum item shall be determined based on the percentage of the remaining bid items of work completed as determined by the Engineer at the time the progress payment is prepared.
BID ITEM 7 – PRE-INSTALLATION CLEANING, TESTING AND VIDEO INSPECTION Work shall consist of cleaning and video inspecting the existing sewer main pipes from manhole to manhole prior to construction. Work includes, but not limited to, the initial cleaning and video inspection to locate the lateral connections and spot repairs.
Measurement and payment to this Bid Item shall be on lump sum basis. No additional payment shall be made to re-inspect sewer lines that have required additional corrective work to make Contractor’s initial work acceptable.
The contract price paid for clean and video inspection for sewer main from manhole to manhole shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals for doing all work involved in the cleaning, and color video inspecting of the sewer main pipe, as specified herein and as directed by the Engineer.
BID ITEM 8 – POST-INSTALLATION CLEANING, TESTING AND VIDEO INSPECTION Work shall consist of cleaning and video inspecting the new sanitary sewer main pipes from manhole to manhole in conjunction with sewer main spot repairs and/or pipe replacement as specified and required on the plans.
Measurement and payment to this Bid Item shall be on lump sum basis. No additional payment shall be made to re-inspect sewer lines that have required additional corrective work to make Contractor’s initial work acceptable.
The contract price paid for clean and video inspection for sewer main from manhole to manhole shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals for doing all work involved in the cleaning, pressure testing and color video inspecting of the sewer main pipe, as specified herein and as directed by the Engineer.
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SECTION 12 - GENERAL REQUIREMENTS
The Contractor shall furnish all labor, materials, equipment, and incidentals required to perform all operations in connection with the project, in accordance with the lines, grades, design and dimensions shown on the Plans, the Standard Specifications and these Specifications. 12-1 SCOPE OF WORK
The project consists of installing improvements of sanitary sewer main identified under Section 4-5 of these Special Provisions. The general work includes:
a. Upsizing the existing 6-inch sewer mains to 8-inch by using either the pipe bursting or pipe reaming method at various locations;
b. Replacing an existing 6-inch sewer main by using either the pipe bursting or pipe reaming method;
c. Repairing manhole connections;
d. Reconnecting existing laterals;
e. Performing spot repair on pipe joints or broken segments of the mains via open trench; f. Repairing and/or replacement of pavement markings, and street monuments; g. Cleaning, pressure testing, and color video inspection pre and post construction; h. Restoring all improvements disturbed by the project; and i. Performing other miscellaneous work related to each task performed and as required in the plans or specifications
The site is presently in the condition it will be at the commencement of work. Failure to visit the site will not relieve the Contractor from the responsibility of executing the job as required by the Plans and Specifications.
The Contractor shall verify the location of all features pertaining to this work and resolve any discrepancies with the Engineer before commencing work.
12-2 PUBLIC RELATIONS
Attention is directed to Subsections 9-6 and 9-7 of the Special Provisions regarding public convenience, safety, indemnification and preservation of property. Compensation for Public Relations will be considered as included in the compensation for the various other items of work and no additional compensation will be allowed therefor.
12-3 PROTECTION OF UTILITIES
Attention is directed to Section 7 of the Special Provisions. It shall be the sole responsibility of the Contractor to determine the exact depth and location of all major and minor utilities on site whether indicated on plans or not by potholing. Utility lines, such as services damaged by the Contractor's work, shall be promptly repaired at the Contractor's expense; and no additional compensation will be allowed therefor.
The Contractor shall notify each Utility Company before excavating near its facility. Call USA (Underground Service Alert) at 1 (800) 227-2600 before starting any excavation.
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12-4 PERMITS AND LICENSES
The Contractor and each of his/her subcontractors shall obtain a Town Business License from the Town Finance Department and pay the permit fee prior to starting work. 12-5 EXISTING IMPROVEMENTS
Attention is directed to the fact that the Plans and Specifications generally make no attempt to show trees, shrubs, lawns, landscape irrigation systems and other improvements within the work area.
Any existing improvements or facilities, including, but not limited to: utilities, fences, buildings, structures, adjacent property, irrigation system, trees, shrubbery, and other landscape improvements (except the trees and shrubbery inside the sanitary sewer easement (the limits of which are measured as 5’ on each side of the Town sewer main centerline or as indicated by the respective easement records), which are broken or damaged or removed by the operations of the Contractor shall be the Contractor’s responsibility and be restored or replaced to a condition as good as when the contractor entered upon the work by and at the expense of the Contractor, to the satisfaction of the Engineer. Full compensation for protection of existing improvements shall be considered in the unit prices paid for the various bid items and no separate payment will be allowed.
All required construction shall match existing or otherwise shall be in accordance with the Town Standards, or as directed by the Engineer.
12-6 DUST CONTROL
Attention is directed to Subsection 9-5.2 of the Special Provisions. The application of sufficient water or dust palliative to prevent the spread of dust shall be included in the price bid for the various items of work.
The rate and number of applications shall be at the initiative of the Contractor, or as directed by the Engineer.
The Contractor shall provide the water to be used on the project site from his/her resources and pay for the cost of water used in construction; and no additional payment will be allowed therefore. 12-7 PUBLIC CONVENIENCE AND SAFETY
Reference is made to Section 9-7 of the Special Provisions. The Contractor shall be responsible for providing barricades and warning signs at the job site.
Full compensation for furnishing all safety devices, barricades, etc., shall be included in the price bid; and no additional compensation shall be allowed therefore.
12-8 NOTIFICATION
At least 48 hours prior to commencement of work, the Contractor shall notify the following agencies:
Town of Los Altos Hills Public Works Department (650) 941-7222 County of Santa Clara Sheriff Department (408) 808-4400 Santa Clara County Fire Department (408) 299-3144
Underground Service Alert (USA) (800) 227-2600
Green Waste Recovery (650) 947-4994
The Contractor shall also notify all Utility Companies that have underground facilities within the limits of work, and cause them to locate their utility lines through pavement markings or other appropriate measures.
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The Contractor shall keep the County of Santa Clara Sheriff Department and Santa Clara County Fire Department informed daily regarding barricades and detours. 12-9 CONVEYANCE AND STORAGE
Except where otherwise specified, the Contractor shall furnish all necessary means of conveyance to transfer material to its proper work site or storage, and shall pay all costs of the right-of-way rents or leases thereby made necessary.
As required, adequate precautions shall be taken by the Contractor to protect and preserve stored items, including providing fencing, etc. At no time will the Town be responsible for preservation or protection of items stored on Town property or elsewhere. Upon completion of work all right-of-way areas permitted to be used as storage shall be returned to its original condition.
Construction materials and equipment to be utilized during any given day may be stored next to the trenches or structures to utilize said materials and equipment, within the temporarily closed street area. However, all such materials and equipment either shall be utilized or removed at the close of each day. At no time shall such materials or equipment remain overnight without the prior permission of the Engineer.
In addition, at no time shall such items be stored in sidewalk areas back of curb, nor shall such storage interfere with maintenance of traffic requirements.
12-10 EXCESS MATERIAL
Excavated material, which is not to be salvaged, shall become the property of the Contractor to be disposed of at approved disposal sites.
The cost of this disposal shall be considered included in the various bid items and no additional compensation will be allowed therefore.
12-11 POLLUTION CONTROL
1. The Contractor shall follow all requirements of the Bay Area Air Quality Management District (939 Ellis Street, San Francisco, CA – (415) 771-6000, www.baaqmd.gov.)
2. The Contractor shall follow all requirements of the San Francisco Bay Regional Water Quality Control Board (1515 Clay St., Suite 1400, Oakland, CA 94612 – (510) 622-2300 www.waterboards.ca.gov/sanfranciscobay)
12-12 STAKING
The Contractor shall contract the services of a California Registered Land Surveyor or Civil Engineer to provide sufficient construction stakes to establish horizontal and vertical control and to construct the improvements as shown on the plans. The contractor shall provide additional stakes as requested by the Engineer.
Full compensation for staking will be considered as included in the prices paid for various contract items and no separate payment will be allowed therefor.
12-13 SCHEDULING OF WORK
Contractor shall submit to the Engineer a practical progress schedule pursuant to Subsection 8-1.02, "Schedule", of the Standard Specifications. This schedule shall be submitted at the pre-construction meeting. It is essential that the project continues in accordance to an established schedule.
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12-14 RECORD DRAWINGS
The Contractor shall maintain record drawings showing actual installations including existing utilities incorrectly shown on the plans including changes made in the contract.
At the completion of the project, a clearly marked set of drawings shall be turned over to the Engineer.
Failure to meet this requirement shall result in the Town deducting two (2%) per cent of the final contract amount from the Contract.
12-15 SUBSTITUTION FOR MATERIALS SPECIFIED
All materials and items furnished must meet the requirements of the Drawings and Specifications as to quality, performance, suitability, and appearance.
Where materials are offered by the Contractor as similar or equivalent to that specified, approval of the Engineer must be obtained after execution of the Contract Agreement between the Contractor and the Town.
No approval of any nature will be granted during the bidding period and no oral statement made by the Engineer or his/her representative shall be construed as granting approval.
Any proposed substitutions will be judged on the basis of quality, suitability, performance, and appearance.
The reputation of the manufacturer, availability of repair and replacement parts and time of delivery will also be considered.
The request for approval of substitutions shall state the credit, if any, to the Town arising because of the use of such substitutions. In any event, all costs resulting from substitutions shall be borne by the Contractor at no cost to the Town.
12-16 INQUIRIES DURING BID PERIOD
If any person contemplating submitting a bid for the proposed Contract is in doubt as to the true meaning of any part of the Plans, Specifications or other proposed contract drawings, or finds discrepancies in, or omissions from the Drawings or Specifications shall submit a written or fax transmittal to the Engineer at (650) 941-3160. No telephone requests will be accepted for an interpretation or corrections associated with this project.
The person submitting the request will be responsible for its prompt delivery. Any interpretation or correction of the proposed document will be made only by addendum duly issued, and a copy of such addendum will be mailed to each person receiving a set of such documents. The Town will not be responsible for any other explanations or interpretations of the proposed documents.
Any addenda or bulletins issued during the time of bidding, or a forming a part of the documents issued to the bidder for the preparation of his/her bid, shall be covered in the bid and shall be made a part of the Contract.
12-17 CONSTRUCTION UTILITIES
a. Water and Power
The Contractor shall provide power as required for the work.
The Contractor shall contact the California Water Service Company or Purissima Hills Water District to obtain permissions for water usage.
No separate payment will be made for water or applying water. The cost shall be included in the respective unit bid prices to which it applies.
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b. Sanitary Facilities
The Contractor shall provide adequate toilet facilities for all workers and representatives of the Town employed on the work. Each facility shall be subject to the approval of the Engineer as to location and type.
The Contractor shall maintain them in sanitary condition from the beginning of the work until completion and shall then remove the facilities and disinfect the premises. All portions of the work shall be maintained at all times in a sanitary condition.
No separate payment will be allowed for supplying toilet facilities. The cost shall be included in the unit bid price for mobilization.
12-18 SUBMITTALS
Provide two (2) copies of literature, shop drawings, samples, etc., for all permanently installed construction materials or products according to Section 6 of the Standard Specifications.
Certificate of Compliance stating that material and/or equipment furnished complies with the Specifications and, for equipment, is one of the named brands or an approved equivalent.
END OF SECTION
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SECTION 13 - MOBILIZATION
13-1 MOBILIZATION AND DEMOBILIZATION
The following paragraphs are added to Subsection 9-1.16D, "Mobilization", of the Standard Specifications.
Mobilization and Demobilization, including site preparation, cleanup, construction signs, and BMPs compliance, shall be paid on a lump sum basis and shall include all work necessary for project administration and coordination, establishing storage and staging areas, move-in of personnel equipment and supplies, implementing and maintaining satisfactorily the Best Management Plan standards based on Santa Clara Urban Runoff Pollution Prevention Program, and providing traffic control throughout the duration of construction. The amount to be paid for Bid Item 7 and shall not exceed 5% of total base bid, and no additional monies will be paid for these Bid Items in excess of this amount. Payments for this lump sum item shall be determined based on the percentage of the remaining bid items of work completed as determined by the Engineer at the time the progress payment is prepared 2022 SANITARY SEWER REPAIR AND
REPLACEMENT PROJECT
Contract lump sum price paid for mobilization and demobilization shall include full compensation for furnishing all labor, materials, tools, equipment, and incidentals, and for doing all the work involved in mobilization and demobilization as specified above.
END OF SECTION
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SECTION 14 – RESERVED
END OF SECTION
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SECTION 15 - TRAFFIC CONTROL
15-1 GENERAL
Traffic control shall meet the requirements of Subsection 9-7, "Public Convenience and Safety" of the Special Provisions, Subsections 7-1.03, "Public Convenience", and 7-1.04, "Public Safety", of the Standard Specifications, and these Provisions. For streets next to Caltrans right-of-way, traffic control shall meet the requirements of the Caltrans Encroachment Permit.
The Contractor shall provide for the safe movement of vehicular, bicycle, equestrian, and pedestrian traffic through and around construction operations. Traffic control requirements set forth herein are the minimum requirements needed imposed. The Contractor shall be solely responsible for providing all protective measures necessary.
The Contractor shall install and maintain construction area signs on all approaches to the various work sites throughout the duration of the construction activities.
If any component in the traffic control system is displaced, or ceases to operate or function as specified, from any cause, during the progress of the work, the Contractor shall immediately repair said component to its original condition or replace said component and shall restore the component to its original location.
When lane closures are made for work periods only, at the end of each work period, all components of the traffic control system, except portable delineators placed along open trenches or excavation next to the traveled way shall be removed from the traveled way. If the Contractor so elects, said components may be stored at selected central locations, approved by the Engineer, within the limits of the street right-of-way. 15-2 TRAFFIC CONTROL PLANS
A. Shall be prepared by a licensed Traffic Engineer to clearly describe proposed traffic control measures for vehicles, bicycles, equestrians, and pedestrians. The plans shall be in generally in accordance with the illustration included in the Manual of Traffic Control.
B. Shall provide a detailed approach for detours and to control traffic through the construction zone.
C. Shall consist of scaled drawings for each situation anticipated to be encountered, i.e. intersection, mid-block (each during working and non-working hours), and etc. Flashing arrow boards shall be used to control traffic on all streets where necessary and as directed by the Engineer.
D. Shall show signs, traffic control devices and flaggers as required.
E. Shall conform to Caltrans and Town Standards.
F. Are subject to review and approval of the City Engineer before construction begins. 15-3 TRAFFIC CONTROL DEVICES
A. General:
1. Provide traffic control devices in sufficient quantities and types as required to provide safe and adequate traffic control.
2. During hours of darkness, approved lights and/or flares shall be included, in proper working order, to illuminate signs and hazards and alert approaching traffic.
3. Provide and maintain barricades along all open trenches I contact with traffic.
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4. No work may begin on any day or at any time before traffic control devices have been placed, test driven and, if required, adjusted and revised.
5. Contractor shall install additional traffic control measures as required by the City Engineer or his/her representative.
6. Stationary mounted construction area signs shall be installed at the locations shown on the plans and as directed by the Engineer according to the current State of California Manual of Traffic Controls.
7. All construction area signs shall conform to the nominal dimensions, color and legend requirements of the plans, the current Manual of Traffic Controls and these Specifications.
All sign panels shall be the product of a commercial sign manufacturer and shall be as specified in these Specifications; all shall include the Contractor's name and phone number on back.
8. Sign panels for all construction area signs shall be visible at 500 feet and legible at 300 feet, at noon on a cloudless day and at night under illumination of legal low beam headlights, by persons with vision of or corrected to 20/20.
9. The Contractor shall clean all construction area sign panels at the time of installation and as often thereafter as the Engineer determines to be necessary.
10. Used signs with the specified sheeting material will be considered satisfactory if they conform to the requirements for visibility and legibility and the colors conform to the requirements of the current Manual of Traffic Controls. A significant difference between day and nighttime reflective color will be grounds for rejecting signs.
11. Stationary mounted construction signs shall be installed as follows:
a. The height to the bottom of the sign panel above the edge of traveled way shall be at least 5 feet, except when the sign is located in the path of pedestrians or bicycles the height to the bottom of the sign panel above the edge of the traveled way shall be at least 7 feet. C-4, C-6 and W-33 signs shall be placed on Type I barricades, with operating flashers immediately next to the work.
b. Construction area sign posts may be installed on above ground temporary platform sign posts or supports as approved by the Engineer, or the signs may be installed on existing lighting standards or other supports as approved by the Town of the support.
When construction area signs are installed on existing lighting standards, holes shall not be made in the standards to support the sign.
c. Sign panels for stationary mounted signs shall consist of Type IIIA reflective sheeting applied to a sign substrate of aluminum or plywood.
B. Cones or Delineators:
1. Cones or Delineators shall consist of cylindrical or cone shaped plastic devices, which shall be 18-inch to 48-inch in height.
2. Cones of Delineators shall have a flexible base of suitable weight, which will ensure stability.
3. Cones used during hours of darkness shall be internally illuminated of reflectorized meeting the requirements of the current edition of MUTCD.
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C. Barricades:
1. Barricades shall be Type I, Type II or Type III barricades as set forth in the Manual of Traffic Controls.
2. Barricades used during hours of darkness shall be equipped with flashers.
D. Electronic message boards to be placed 14 days prior to start of work.
E. Placement:
1. Place all traffic control devices in accordance with the manual of Traffic controls and favorably reviewed Traffic Control Plan.
2. Adjust locations of devices to suit the conditions and circumstances of each detour situation. In all cases, place signs to most effectively convey their messages to approaching traffic.
F. Test Drive of Detour:
1. Immediately after control devices have been placed, the detour shall be test driven by the Contractor’s representative.
2. Test drive shall include approach to detour from possible direction and traversing full length of each detour route.
3. The Contractor shall adjust and revise all traffic control devices as determined to be required by test drive through and shall repeat test drive if determined necessary by the City Engineer.
4. The Contractor shall provide additional traffic control devices if required to maintain flow of traffic through construction operation.
G. Maintenance of Devices:
1. The Contractor maintains all traffic control devices, at proper locations and in proper working order, at all times during construction operation and whenever a hazard resulting from Contractor’s operation exists.
2. The Contractor shall adjust and revise traffic control devices, placement, etc., to suit changing conditions around construction operations.
H. Removal of Devices:
1. Traffic control device shall remain in place at all times required to alert approaching traffic of upcoming hazards.
2. After hazard has been removed, remove all traffic control devices. Remove signs or cover their messages.
15-4 FLAGGERS
A. General:
1. The Contractor shall employ flaggers as required for each specific detour.
2. The Contractor shall employ flaggers at all locations on a construction site where barricades and warning signs cannot control the moving traffic.
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B. Placement – Where flaggers are required, they shall be logically placed in relation to the equipment or operation so as to give adequate warning and shall be placed approximately 100 feet ahead of impact point.
C. Warning Signs:
1. Place a warning sign ahead of the flagger reading: "flagger ahead." The distance between the sign and the flagger shall be based on the average traffic speed.
2. During hours of darkness, illuminate flaggers stations such that the flagger will be clearly visible to approaching traffic. Lights for illuminating the flagger station shall be reviewed and approved by the City Engineer.
D. Equipment:
1. Provide Flagger with a red or orange warning garment when flagging. Provide flaggers with approved hand signs and two-way radios for communication.
2. When flagging during hours of darkness, the flagger shall signal with a red light or flare and shall have a belt and suspender harness outside his garment fitted with reflectors or made from reflectorized cloth, unless the garment is well reflectorized in one of these ways.
15-5 ACCESS TO PRIVATE PROPERTY
A. General – the Contractor shall schedule operations to minimize disruption of access to private properties.
B. Notice to Residents – Prior to blocking access to any private driveway or parking lot entrance, the Contractor shall notify the resident or business owner or tenant of pending closure and allow resident to remove vehicles.
C. Nights – during non-working hours no driveway, house or parking lot shall be denied access to a public roadway.
15-6 NOTICE TO AGENCIES
A. The Contractor shall notify in writing all agencies having jurisdiction at least forty-eight (48) hours, excluding holidays and weekends, prior to instituting any lane closure or detour. At the end of each day’s work, the Contractor shall inform the ambulance services, police, and fire departments of the status of all detours and/or lane or road closures that will be in effect the next day.
B. List of Agencies:
1. Town of Los Altos Hills
2. County Fire & Police Department
3. U.S. Postal Service
4. Ambulance Services
5. Green Waste Recovery
15-7 EMERGENCY VEHICLE ACCESS THROUGH DETOURS
A. During construction in or adjacent to roadways of the project site, Contractor shall maintain at least one lane open in each direction of the road to allow emergency vehicle access for police, fire or ambulance to the project vicinity.
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B. During all detours and/or street closures the Contractor shall provide for movement of emergency vehicles through the work area.
C. It is essential that the Contractor’s work and equipment does not impeded egress from any fire or police station to other area of their service area.
15-8 DIVERTING TRAFFIC
A. Diverting Pedestrian, Equestrian, and Bicyclist Traffic:
1. Whenever construction operations obstruct the flow of pedestrian, equestrian, and/or bicycle traffic or present a hazard to pedestrians, horses, and bicyclists, the Contractor shall take appropriate action to protect and separate them from the work area.
2. Such action may include placement of barricades between pedestrians, horses, and bicyclists and work areas; placement of warning signs, and provision of personnel as required to protect pedestrians, horses, cyclists as conditions of warrant.
B. Diverting Vehicular Traffic:
Whenever construction operations obstruct the flow of vehicular traffic or present a hazard to vehicles operating in the vicinity of construction operations, the Contractor shall take appropriate action to warn, detour and otherwise protect approaching drivers and vehicles. 15-9 PARKING RESTRICTIONS
A. General – The Contractor shall post approved "No Parking" signs at all locations necessary to establish work areas and detour traffic.
B. Signs – signs shall be places at least 24 hours in advance or restriction.
C. Contractor shall provide his own staging areas.
15-10 POSTING NOTICE AND NOTIFICATION TO RESIDENTS
Work includes posting notice along the streets where work will be done and notifying residents by handdelivered mail, and advising them of the work to be done so they do not park their cars next to the work site. Notices shall be posted at every 100 feet interval a minimum of 72 hours prior to work.
No separate payment shall be allowed for posting notices and notifying residents. Full compensation for furnishing all labor, materials, tools, equipment, and for doing the work required as specified in the Specifications and as directed by the Engineer shall be included in the lump sum price bid for traffic control and notifying residents; and no additional compensation will be allowed therefore. 15-11 PLATING AND TEMPORARY SURFACING
A. Trenches will be covered with plates which shall be flushed with existing pavement and skid resistant.
B. The temporary surfacing shall be Class 2 aggregate base as specified in Section 26, "Aggregate Base", of the Standard Specifications. The aggregate base shall be equal to a depth to the existing pavement structural section, but in case not less than eighteen (18") inches in depth. The aggregate base shall be brought within one (1") inch of the top of the existing paving and covered with temporary "cold mix" asphalt paving using an MC-250, MC800 or approved equal. All temporary surfacing shall be installed the same day as backfilling and shall be level with the existing paving.
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C. The Contractor shall maintain the temporary surfacing level with the existing paved surface at all times. All dirt and gravel and debris of any kind shall be removed from Town streets by the end of the day. All temporary asphalt shall comply fully with the Bay Air Quality Management District’s Regulation 8, Rule 15.
D. Section 302 of Rule 15 prohibits the use of "cut back" asphalt (including MC-70) during the months of April through October in paving material or in paving and maintenance operations.
The Contractor shall use only slow-cure (SC) liquid asphalts for temporary trench paving during April through October.
E. In the event the Contractor does not comply fully with the above requirements, no further excavation will be permitted until the requirements are met.
F. No open trenches in the street right-of-way will be allowed overnight. All trenches shall be backfilled the same day the trench was excavated, except that portion of the trench or excavation to be used for connecting the extension of the installation. That said portion shall be adequately barricaded and protected to the satisfaction of the City Engineer or his/her representative. Excavations or trenches for poured in place concrete manhole/utility box may remain open for a period not to exceed seven days, providing said excavation or trenched are adequately barricaded, fenced, and plated with skid resistant steel plate of adequate thickness and flushed with pavement. The number of plates to be utilized each day shall be approved by the City Engineer or his/her representative.
G. All work shall be done to the satisfaction of the City Engineer. 15-12 MEASUREMENT AND PAYMENT
All work done related to Traffic Control will be considered as included in the price paid for mobilization and demobilization contract item and no additional compensation will be allowed therefor.
END OF SECTION
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SECTION 16 - SITE PREPARATION AND RESTORATION
16-1 GENERAL
16-1.1 WORK INCLUDED
This specification covers all of the work to prepare the site for the construction and to restore the site to its existing condition, or better.
16-1.2 SUBMITTALS
A. Electronic file for documentation of existing conditions B. Testing agency report for top soil
16-2 PRODUCTS
16-2.1 TOP SOIL
Class A, complying with Subsection 212-1.1, "Topsoil", of the Standard Specifications for Public Works Construction (Greenbook).
16-3 EXECUTION
16-3.1 DOCUMENT EXISTING CONDITIONS
Prior to beginning work on the site, the Contractor shall document existing conditions at and in the vicinity of the work and along access routes, with an emphasis on identifying cracks or other existing damage to existing improvements. The documentation shall consist of photographs and/or video and the locations shall be clearly identified.
16-3.2 PORTABLE FACILITES
Move portable facilities in easements and work areas that interfere with the work or access to a secure location.
16-3.3 CLEARING AND STRIPPING
A. Clear areas to be excavated in easements or work areas of shrubs, grass, debris, etc. which will interfere with excavation.
B. Strip the upper two to 12 inches of soil containing vegetation and root matter from all areas to be excavated.
16-3.4 DEMOLITION
Remove existing permanent improvements that interfere with excavations.
Pavement, curbs and gutters: Neatly sawcut to a depth of at least 1.5 inches, preferably at an existing joint, before breaking the material away.
16-3.5 DISPOSAL
Dispose of all cleared, stripped and demolished materials off site, except that stripped materials may be stockpiled for reuse as top soil.
16-3.6 SITE RESTORATION
A. Public Right-of Way: Replace pavement, curbs and gutters, driveway, and path as shown on the Drawings and specified.
B. Easements and Work Areas on Private Property
1. If details are provided on the Drawings and/or described in the Specifications, restore the location accordingly.
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2. Where no details are provided, repair all damages and restore the location to the condition existing before the work began, or better, to the reasonable satisfaction of the property owner and the Engineer.
a. Install top soil in the top ten inches of landscaped areas. Stockpiled stripping may be substituted for top soil.
b. Materials shall be of at least equivalent strength and durability to the demolished improvements.
c. If existing adjacent improvements still exist, the replaced portions shall match the existing in color, texture and appearance.
16-4 TREE ROOT PRUNING
All tree roots encountered within the proposed construction shall be cut and removed to a depth of 12- inches below finished grade. No additional compensation will be allowed for tree root pruning. 16-5 MEASUREMENT AND PAYMENT
All work done related to Site Work and Site Preparation will be considered as included in the prices paid for various contract items and no additional compensation will be allowed therefor.
END OF SECTION
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SECTION 17 - EARTHWORK
17-1 SCOPE OF WORK
Work required under this Section consists of furnishing all necessary labor, materials, tools, equipment and services in connection with and reasonably incidental to the loosening, removing, loading, transporting, depositing, and compacting in final location all materials, wet and dry, necessary to be removed for purposes of construction, excavation of trenches for the installation of sanitary sewer pipes, laterals, manholes, and other purposes as indicated on the drawings.
The furnishing, placing, and removing of all sheeting and bracing; all pumping and draining of excavations; the supporting of structures above and below ground; the handling of all water encountered in the excavations; all backfilling around structures and backfilling of all trenches and pits; and all other incidental excavation shown on the drawings and as specified.
17-2 SOIL CONDITIONS
The Contractor shall familiarize him or herself with the soil conditions at the site. 17-3 UNCLASSIFIED EXCAVATION
Excavation is unclassified. The work shall consist of performing work regardless of the character of subsurface conditions. The Contractor shall make his/her evaluation of the type and extent of materials that may be encountered in the work site.
17-4 COMPACTION
The relative compaction of each finished sub grade under concrete curb & gutter, and pavements shall not be less than 95 percent; all other areas shall be 90%. These requirements are attained by Test Method AASHTO T180.
The Engineer shall require density tests of compacted material whenever he deems it necessary. Tests will be made according to Test Method AASHTO T180, "Moisture-Density Relations of Soils", or other approved field density testing methods that may include the use of nuclear testing devices. All compaction tests shall be provided by Town’s geotechnical consultant. Retests required for failed results will be paid for by the contractor.
17-5 CARE OF EXISTING STRUCTURES AND UTILITIES
A. The Utility Companies were contacted to gather information about existing utilities and the various maps they provided were transferred to the project plans as accurately as possible. It is essential that the Contractor contact Underground Service Alert at 811 / (800) 227-2600 to confirm the actual location of the existing utilities. Existing power and telephone lines, fences, water pipes, gas lines, sewers or other conduits, nearby the work shall be prevented from injury by the Contractor during the construction and until the completion of work. The Contractor shall be liable for all damages done to such structures, as herein provided.
B. Protect existing facilities adjacent to the Work to avoid damage. Repair or replace existing structures and improvements located above or below ground which are damaged or removed as a result of the Contractor's operations wherever such existing improvements are not specifically designated to be permanently removed. Structures to protect and repair include, but are not limited to, pipelines, wires, cables, electrical pull boxes, conduits, vaults, property fences, and maintenance holes. Repairs and replacements shall be made at Contractor’s expense and shall be equal to existing improvements and shall match existing in finish and dimension.
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1. Replacement pavement shall be 1 inch greater in thickness than the existing pavement that was removed.
2. Damaged pipes:
a. Notify owner(s) of the damaged utility pipelines
b. Obtain approval from the owner(s) of the damaged utility pipelines prior to replacement of damaged pipeline section(s) up to and including the joints at the end of the damaged section(s). Replacement shall include damaged joint materials.
C. Neither the Property Owner nor the Town and Engineer shall in any way be responsible for the omission on the drawings of any mains or services of whatever nature nor shall they be responsible for any misrepresentation of size, type, number, location or depth.
D. The Contractor shall repair, in a manner satisfactory to the Engineer, all mains or services damaged in the progress of his/her work. The Contractor shall notify all utility owners when his/her work is in progress and shall make such arrangements as deemed necessary to make any emergency repair to the satisfaction of the owner of the utility. The Contractor shall be prepared at all times with labor, equipment and materials to make repairs on damaged mains or utilities.
E. Exercise extreme caution when working in the vicinity of existing power poles and light poles designated to remain. Support utility poles and guy wires adjacent to excavations in conformance with the requirements of the utility owners.
F. When excavation is proposed within 10 feet of a high priority subsurface installation, the operator of the high priority subsurface installation shall notify the excavator of the existence of the high priority subsurface installation prior to the legal excavation start date and time, as such date and time are authorized pursuant to paragraph (1) of subdivision (a) of Government Code Section 4216.2. The excavator and operator or its representative shall conduct an onsite meeting at a mutually-agreed-on time to determine actions or activities required to verify the location of the high priority subsurface installations prior to start time. High priority subsurface installations are high pressure natural gas pipelines with normal operating pressures greater than 415 kPA gauge (60 p.s.i.g.), petroleum pipelines, pressurized sewage pipelines, conductors or cables that have a potential to ground of 60,000 volts or more, or hazardous materials pipelines that are potentially hazardous to employees, or the public, if damaged.
G. No extra compensation will be made for the repair of any services or mains damaged by the Contractor's labor forces or equipment, nor for any damage incurred through neglect or failure to provide protective barriers, lights and other devices or means required to protect such existing utilities.
17-6 PROTECTION OF TREES, SHRUBS AND LAWNS
The Contractor shall take every necessary precaution to protect the trees, shrubs, lawns, and other vegetation in the work site. Only trees and vegetation that directly interfere with the construction shall be removed with prior approval of the Engineer.
17-7 MAINTAINING DRAINAGE
The Contractor shall provide and maintain temporary drainage for all excavations, drains, ditches, trenches and structures at all times. The Contractor shall keep the excavations dry through the construction operations. Whenever necessary, in order to provide proper drainage, the Contractor shall, at his/her expense install underdrains, furnish and operate all necessary pumping equipment, drainage sumps, wellpoint systems and other drainage facilities.
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The Contractor shall dispose of water from the work into a drainage channel without damage to adjacent property and in such a manner as not to be a menace to the public health. No water shall be drained into completed work or work under construction without prior consent of the Engineer. 17-8 SEASONAL LIMITS
No fill material shall be placed, spread, or compacted during unfavorable weather. When the work is interrupted by rain, operations shall not be resumed until field tests indicate that the moisture content and density of the fill are as specified.
17-9 CONTROL OF WATER
The Contractor shall furnish, install and operate all necessary equipment to keep excavations free from water during construction and shall dispose of the water so as not to cause injury to public or private property, or to cause nuisance or menace to the public.
The Contractor shall at all times have on hand sufficient pumping equipment and machinery to meet all ordinary emergencies. Excavations shall be kept free of water during concrete operations. 17-10 DISPOSAL OF EXCESS EXCAVATED MATERIAL
Excess excavated material that the Engineer finds unsuitable shall be disposed of at an approved disposal site at the Contractor's cost. All material that cannot be utilized in the construction shall be disposed off site in a legal manner.
17-10.1 NATIVE MATERIAL FOR TOPSOIL
Native soil material contaminated with asphalt concrete, cement concrete and/or other unsuitable material as determined by the Engineer will not be allowed for use as topsoil. 17-11 POTHOLING
Where excavation in excess of 12-inches is to be done, the Contractor shall pothole and verify the location and depth of existing utility lines and major utility laterals in the field prior to construction and notify the Engineer of any possible interference with the proposed construction or error in location and/or as directed by the Engineer.
The Contractor shall call the Underground Service Alert at (800) 227-2600 and cause them to locate existing underground utility lines through pavement markings. The Contractor, 24 hours prior to the commencement of potholing work, shall notify the Town of Los Altos Hills, Public Works Department at (650) 941-7222.
The Contractor shall immediately inform the Engineer of potential conflicts. Potential conflicts shall be cases in which there is less than one-foot of separation between the existing and proposed utility lines.
At potential conflict location, the Contractor shall coordinate with the Engineer to arrange verification of the horizontal and vertical location of potential conflict. The Engineer will perform such surveys approximately one working day after the Contractor's notification.
17-12 INTERFERING SUBSTRUCTURES
Consult the Engineer immediately for directions whenever substructures interfere with or affect Work.
Contractor shall propose means and methods to the Engineer resolve the interferences. The Engineer will make the final decision on method of correction or protection to be used.
If interfering substructures must be removed, the following procedures must be adopted before removing or cutting the substructures:
A. Coordinate with the utility owner to determine if the line contains any kind of liquid or gaseous material.
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B. If storm drain or sewer lines are empty or filled with concrete or mud slurry, lines may be cut, removed, and capped or plugged, in conformance with Subsection 306-5 of the of the Greenbook.
C. Test conductors in conduits appearing to be abandoned and verify that conductors are deenergized. Remove de-energized conductors. Report energized conductors to the Engineer and cease removal work until Engineer authorizes work to resume.
D. Consult the Engineer for methods of handling other substructures.
E. Notify the Engineer to identify contents of unknown line if it is found to contain liquid or gaseous material. Coordinate with the utility owner to remove contents and dispose in conformance with applicable regulations.
F. Evacuated lines or remaining portions of abandoned lines shall be capped or removed as described in this Article for empty lines.
17-13 MEASUREMENT AND PAYMENT
All work done related to Earthwork will be considered as included in the prices paid for various contract items and no additional compensation will be allowed therefor.
END OF SECTION
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SECTION 18 - SHEETING, SHORING, AND BRACING
18-1 SHEETING, SHORING, AND BRACING
Excavations shall be adequately sheeting, shored, and braced so that the earth will not slide or settle and so that all existing improvements of any kind will be fully protected from damage. Where excavation for a trench is greater than five (5) feet, sheeting, shoring, and/or bracing shall be provided for. All sheeting, shoring, and bracing shall conform to the construction safety order of the Division of Industrial Safety of the State of California and the Occupation Safety and Health Administration (OSHA) requirements.
No separate payment for sheeting, shoring, and bracing or equivalent method shall be allowed therefore.
The contractor shall affect repairs to any property or improvements that occur as a result of a lack of adequate sheeting, shoring, and bracing. Any incurred costs shall be the sole responsibility of the contractor and no additional compensation shall be allowed therefor.
END OF SECTION
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SECTION 19 - ASPHALT CONCRETE PAVEMENT AND RESURFACING WORK PART 1 – GENERAL
19-1.1 WORK INCLUDED
This section includes all the work necessary to install asphalt concrete pavement to replace existing pavement at trenches and other excavations including:
A. Spreading and compacting asphalt concrete pavement and surfacing B. Applying prime and tack coat
C. Dust alleviation and control
D. Adjusting existing utility structures to finish grade E. Cleanup and disposal of debris
F. Supplying all labor, materials, equipment and apparatus not specifically mentioned herein or noted on the plans, but which are incidental and necessary to complete the work specified.
19-1.2 REFERENCES
A. Standard Specifications:
Section 26 Aggregate Bases
Section 39 Hot Mix Asphalt
Section 84 Markings
Section 92 Asphalt Binders
Section 94 Asphaltic Emulsions
B. State of California Department of Transportation Manual of Test:
Test 304 Method of Test for Preparation of HMA for Test Specimens Test 375 Determining the In-Place Density and Relative Compaction of Asphalt Concrete Pavement
Test 367 Method of Test for Optimum Bitumen Content for HMA Type A, B, C, and RHMA-G
C. The Contractor shall comply with the requirements of the Bay Area Air Quality Management District concerning cutback asphalt paving materials and application. 19-1.3 SUBMITTALS
A. Mix design including a laboratory report of California Test 367 results covering the specific materials to be used on this project.
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B. Materials suppliers’ certificates of compliance in conformance to the requirements of this section.
C. A signed verification from each source of supply for each construction material employed on the project, indicating that the materials met the requirements of this section.
D. Certified plant load out slip for each load of material delivered to site.
E. Field compaction test results.
19-1.4 QUALITY CONTROL
A. Testing Service Provided by Contractor. Unless otherwise specified, Contractor shall provide all testing services in connection with the following:
1. Concrete materials and design mixtures
2. Asphaltic concrete materials and design mixtures
3. Embedment, fill and backfill materials.
4. All other tests and engineering data required for Engineer’s review of materials and equipment proposed to be used in the Work.
B. Testing Services Provided by the Town. Unless otherwise specified, the Town shall provide for tests made on the following materials and equipment:
1. Concrete
2. Asphaltic Concrete
3. Moisture-density and relative density tests on embedment and backfill materials
4. In-place field density tests on embedment and backfill
5. Other materials and equipment at the discretion of the Town.
C. Testing, including sampling, will be performed by Engineer or the testing firm’s laboratory personnel, in the general manner indicated in the Specifications. Engineer shall determine the exact time, location, and number of tests, including samples.
D. Arrangements for delivery of samples and test specimens to the testing firm’s laboratory will be made by The Town. The testing firm’s laboratory shall perform all laboratory tests within a reasonable time consistent with the specified standards and shall furnish a written report of each test.
E. Contractor shall furnish all sample materials and cooperate in the testing activities, including sampling. Contractor shall interrupt the Work when necessary to allow testing, including sampling, to be performed. Contractor shall have no Claim for an increase in Contract Price or Contract Times due to such interruption. When testing activities, including sampling, are performed in the field by Engineer or laboratory personnel, Contractor shall furnish personnel and facilities to assist the activities.
19-1.5 REGULATORY REQUIREMENTS
All work, materials, procedures and practices shall comply with the requirements of California Air Resources Control Board and the local Air Pollution Control District.
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19-1.6 MEASUREMENT AND PAYMENT
All work done related to installing asphalt concrete pavement to replace existing pavement at trenches and other excavations will be considered as included in the prices paid for various contract items and no additional compensation will be allowed therefor.
PART 2 – MATERIALS
19-2.1 AGGREGATE
Use Type B, 3/4" inch maximum size, medium grading, of the Section 39 the Standard Specifications.
19-2.2 ASPHALT BINDER
A. Asphalt Concrete Pavement: Grade PG 64-10, Section 92 of the Standard Specifications.
1. Mix Design: Between 4 percent and 6 percent by weight of the dry aggregate. The exact amount of asphalt binder to be mixed with the aggregate shall be determined by the mix design.
19-2.3 PRIME COAT
A. Grade SC-70 liquid asphalt, Section 93 of the Standard Specifications. 19-2.4 TACK COAT
A. Grade SS-1, SS-1h, CSS-1 or CSS-1h asphaltic emulsions, conforming to Section 94 of the Standard Specifications.
19-2.5 AGGREGATE BASE
A. Class 2 Aggregate Base, ¾ inch size, conforming to Section 26 of the Standard Specifications.
PART 3 – EXECUTION
19-3.1 AGGREGATE BASE
A. Spread and compact aggregate base in conformance with Section 26 of Standard Specifications. Moisture condition aggregate base to within 2 percent of optimum and compact to at least 95 percent relative compaction.
19-3.2 PRIME COAT AND TACK COAT
A. Apply prime coat to the base course before placing asphalt concrete at the rate of 0.15 to 0.25 gallons per square yard. Blot any excess with sand.
B. Apply tack coat to all horizontal and vertical surfaces of existing pavement and to vertical surfaces of curbs, gutters, conforms, and construction joints before placing asphalt concrete on or against them, at the rate of 0.10 gallons per square yard.
C. Take care to avoid tracking the prime and tack coat onto existing pavement surfaces. 19-3.3 ASPHALT CONCRETE
A. Lift Thickness: Where the total thickness of asphalt concrete to be placed is greater than 2- 1/2", place in lifts of equal thickness, none of which shall exceed 2-1/2".
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B. Installation: Deliver asphalt concrete to the site at the specified temperature. Spread and compact asphalt concrete in conformance with Section 39 of the State Standard Specifications, and adding the following after the fourteenth paragraph:
1. Compact asphalt concrete to at least 93 percent of the maximum theoretical unit weight.
2. Smoothness Tolerance: Comply with Section 39 of the Standard Specifications. 19-3.4 COMPACTION TESTING
A. The Testing Laboratory shall obtain a representative sample of the asphalt concrete from the truck and test in accordance with California Test 304.
B. Following installation of all asphalt concrete, the Testing Laboratory shall use a nuclear gauge to test the compaction at each location in accordance with California Test 375. 19-3.5 UTILITY STRUCTURES AND MONUMENTS
A. Preserve all survey monuments. Any disturbed monuments shall be replaced, surveyed and recorded by a surveyor registered in the State of California and in accordance with regulations by the State of California.
B. Cleaning: Completely remove and clean all frames, covers, grates, and manholes of all asphaltic material.
END OF SECTION
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SECTION 20 – PAVEMENT MARKINGS
PART 1 – GENERAL
20-1.1 WORK INCLUDED
This section includes furnishing transportation, labor, materials, and equipment to layout and install markings, striping, lettering, and informational and directional markings on pavement and curbs; and installing pavement markers, including hydrant markers. Work further consists of covering or removing existing markings on pavements prior to installing new markings. 20-1.2 REFERENCES
A. Standard Specifications:
Section 15 Existing Facilities
Section 37 Bituminous Seals
Section 84 Traffic Stripes and Pavement Markings
Subsection 81-3 Pavement Markers
B. Greenbook:
Subsection 214 Pavement Markers
20-1.3 SUBMITTALS
Submit the following prior to purchasing materials:
A. Equipment to be used for pavement markings
B. Complete list of materials to be used including reflective media C. Materials test reports and certifications in conformance with Subsection 84-2 of the Standard Specifications
D. Submit method to remove existing striping and thermoplastic striping material (thermoplastic paint), including method to recover grindings, paint residue, blast media, and wastewater.
20-1.4 MEASUREMENT AND PAYMENT
All work done related to PAVEMENT MARKINGS will be considered as included in the prices paid for various contract items and no additional compensation will be allowed therefor.
PART 2 – MATERIALS
20-2.1 THERMOPLASTIC PAINT
Thermoplastic paint to be used shall conform to Subsection 84-2.02 of the Standard Specifications.
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20-2.2 REFLECTIVE PAVEMENT MARKERS
Reflective pavement markers to be used shall conform to Subsection 81-3.02C of the Standard Specifications.
20-2.3 BLUE REFLECTIVE HYDRANT PAVEMENT MARKERS
Blue reflective hydrant pavement markers to be used shall conform to Subsection 214 of the Greekbook.
PART 3 – EXECUTION
20-3.1 LAYOUT OF MARKINGS
A. Perform and establish cat-tracks and dribble lines on the pavement to be approved by the Town prior to placing the stripes and markings. No thermoplastic stripes and pavement markings shall be installed until the surface and the striping layout has been approved by the Engineer.
B. Layout the markings at the locations and to the dimensions indicated on Drawings C. Apply letters, numerals, and symbols using stencils and templates D. Layout crosswalk at one-ramp corner in conformance with Caltrans Standard Plans A88A, Curb Ramp Details
20-3.2 PREPARATION
A. Surfaces which are to receive thermoplastic traffic stripes or pavement markings shall be thoroughly clean, free from loose materials and dry; and such areas shall be thus prepared by the Contractor to the satisfactions of and with methods approved by the Engineer.
B. Removal of existing traffic striping, pavement markings, and pavement markers:
1. Removal of existing traffic striping, pavement markings, and pavement markers in conformance with the provisions in Section 15 of the Standard Specifications.
2. Conflicting striping and pavement markings shall be removed before the installation of new striping and pavement markings. All traffic striping and pavement markings shall be removed in a rectangular shape.
3. Remove existing thermoplastic paint in areas of new striping and prior to applying slurry seal in areas where slurry seal is required on Drawings. Remove thermoplastic paint by a method that minimizes damage to existing pavement.
4. If grinding or sand-blasting is used for the removal of existing traffic striping and pavement markings, and such removal operation is being performed within 10 feet of a lane occupied by public traffic, the residue including dust shall be removed immediately after contact between the grinding or sandblasting material and the surface being treated. Such removal shall be by a vacuum attachment operating concurrently with the grinding or sand-blasting operation. After the removal of existing traffic striping and pavement markings on the asphalt concrete pavement, a fog seal shall be applied to the surface of grinding or sandsand-blasting areas in accordance with the provisions in Section 37 of the Standard Specifications.
5. New striping and pavement markings shall be installed within 24 hours of removal of existing striping and pavement markings.
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6. Existing pavement markers to be removed, shall be done so in a manner as to leave the existing asphalt concrete pavement undamaged. Damage to the asphalt concrete resulting from the removal of pavement markers shall be considered as any depression more than one-fourth inch (1/4”) deep and shall be patched using type A, No. 4 maximum asphalt concrete.
7. Recover and dispose of grindings, paint residue, blast media, and waste water from areas undergoing marking removals
C. The Engineer will inspect surfaces to be painted after Contractor has laid out pavement markings, and prior to application of paint materials. Correct deficiencies in layout and surface preparation prior to application of paint.
D. Thermoplastic traffic stripes and pavement markings shall be placed in accordance with Subsection 84-2 of the Standard Specifications.
E. Protect existing, adjacent facilities from overspray and spillage F. Permanent striping and markings shall be installed no sooner than ten (10) calendar days and no later than fifteen (15) calendar days after final lift of overlay or slurry seal is placed.
Temporary markings shall be installed the same day that the original markings are removed or destroyed and shall be maintained until permanent striping is placed G. Thermoplastic and paint shall be placed as close as possible to existing utility structures and frames and covers without covering them.
H. Contractor shall protect the newly installed pavement markers, pavement markings, traffic lines and signs from damage until the materials have cured. Any markers, markings, stripes or signs broken, misaligned or otherwise disturbed shall be repaired by Contractor prior to opening the roadway to traffic.
I. Any damage to the new stripes or markings due to the failure of the Contractor to protect his work shall be repaired by him at no additional cost.
J. Walk-behind striping machine is not allowed
K. Any overlap, dripping or tracking of thermoplastic or paint onto adjacent surfacing shall be removed to the satisfaction of the Engineer.
20-3.3 WEATHER LIMITATION
Thermoplastic material shall be applied only to dry pavement surfaces and only when the pavement surface temperature is above 50° F and when the weather is not excessively windy, dusty, foggy, or humid. Verify suitability of the weather with the Engineer in the field. 20-3.4 APPLICATION
A. Apply thermoplastic paint in conformance with Subsection 84-2.03 of the Standard Specifications.
B. Install pavement markers in conformance with Subsection 81-3.03 of the Standard Specifications.
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20-3.5 TOLERANCES
Width of stripes shall not vary more than 1/4 inch, plus or minus, from the width shown on Drawings.
The alignment and straightness of stripes shall not deviate more than 1/2 inch in 50 feet. Deviations in excess of the tolerances specified shall be erased by wet sandblasting, and the painting reapplied.
20-3.6 CLEANUP
Remove paint overspray, drips, and spills from adjacent surfaces by means, which will not damage the surfaces.
END OF SECTION
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SECTION 21 – SANITARY SEWER
PART 1 – GENERAL
21-1.1 DESCRIPTION OF WORK
This work shall consist of potholing all crossing utilities, repairing and rehabilitating the sewer main by using the pipe bursting, pipe reaming, and open trench methods, relandscape and other surface improvements in kind to the original condition, replacing the asphalt pavement, and replacing all damaged properties caused by this work.
Contractor must pump the sewage from upstream manhole to a mobile tank and dispose of the sewage off site as required by law.
21-1.2 PIPE BURSTING AND PIPE REAMING METHOD
This section covers the installation of new high density polyethylene sewer pipe (HDPE) by pipe bursting and pipe reaming. Pipe shall be as specified herein and installed at the locations indicated on the plans.
The Contractor shall pothole all crossing utilities 72 hours prior to pipe bursting and pipe reaming operation to verify the clearance. Potholing shall include exposing all around the crossing utilities to measure the exact clearance to the existing sewer main. Potholes shall remain open during the pipe bursting and pipe reaming operation and shall be over excavated under the existing sewer main to allow free movement of the bursting/reaming head. 21-1.3 OPEN TRENCH METHOD
This section covers removing existing VCP, PVC and PE sewer pipe and installing new Polyvinyl Chloride Pipe (PVC) as specified at the location indicated on the plans and as specified herein.
Asbestos-Cement Pipe special requirements: Removal, disposal, alteration, modification or abandonment of existing asbestos-cement pipe shall meet the requirements of the most current revisions of the California Environmental Protection Agency, and in accordance with the requirements provided in the current standard entitled “OSHA Asbestos Construction Standards” or subsequent revisions for the removal, disposal, or abandonment of all asbestos-cement pipes as shown on the plans and/or encountered in the field during construction and any other applicable federal, state or local regulation.
21-1.4 RESERVED
This sections covers the rehabilitation of 6-inch or 8-inch sanitary sewer main by the cured-in-place (CIPP) method. Contractor shall supply all labor, materials, equipment, and apparatus not specifically mentioned herewith or noted on the Plans, but which are incidental and necessary to complete the specified work. All traffic control, bypass pumping, diversion of sewage flows, cleaning, removal of any and all debris, pre- and post- installation closed-circuit television (CCTV) inspection, installation and curing of CIPP, testing, and site restoration shall be performed by the Contractor.
21-1.5 HANDLING
A. Care shall be taken in handling, transporting and placing pipe and appurtenant structures to prevent damage to the pipe or structure. No interior hooks or slings shall be used in lifting pipe.
All handling operations shall be done with an exterior sling or with a suitable fork lift.
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B. No damaged pipe or coupling will be accepted until and unless the damage has been repaired to the satisfaction of the Engineer. Damaged pipe will be replaced at the Engineer's discretion. 21-1.6 REFERENCE STANDARDS
A. High Density Polyethylene (HDPE) Pipe
AWWA C906 Polyethylene (PE) Pressure Pipe and Fittings, 4 in. through 63 in., for Water Distribution and Transmission
ASTM D2122 Standard Test Method for Determining Dimensions of Thermal Plastic Pipe and Fittings
ASTM D2321 Standard Practice for Underground Installation of Thermoplastic Pipe for Sewers and Other Gravity Flow Applications
ASTM D2837 Standard Test Method for Obtaining Hydrostatic Design Basis for Thermal Plastic Pipe Materials or Pressure Design Basis for Thermal Plastic Products ASTM D3350 Standard Specifications for Polyethylene Plastics Pipe and Fittings Material ASTM F714 Standard Specifications for Polyethylene Plastic Pipe Based on Outside Diameter
ASTM F2620 Standard Practice for Heat Fusion of Polyethylene Pie and Fittings B. Polyvinyl Chloride (PVC) Pipe
PVC pipes shall be SDR 26 unless otherwise noted on the Drawings and shall conform to the provisions in Subsection 207-17, "PVC Plastic Pipe", of the Greenbook.
C. Steel Belted Repair Couplings
Wye fittings shall be furnished with spurs already securely fastened by the manufacturer to the barrel of the pipe. There shall be no projection on the inner surface of the pipe barrel. The axis of the spur on the fitting shall be 45-degree from the longitudinal axis of the pipe. Tee fittings are unacceptable.
D. General
Town of Los Altos Hills Standard Details excepted as noted herein or on the drawings. 21-1.7 DEFINITIONS
A. Public Right-of-Way
Contractor may install replacement mains by open cut or bursting or reaming methods.
B. Easements and Other Work Areas on Private Property
Except where noted specifically otherwise on the Drawings, sewer mains shall be replaced by pipe bursting and reaming methods. The number and size of access pits shall be the minimum required to perform the work, and will be subject to the review of the Town. Note that some areas may be designated on the drawings prohibiting excavation, which may require specialized bursting and reaming equipment.
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C. Open Cut
A method of installing an underground pipe where the pipe is installed in an excavated trench and the trench is then backfilled.
D. Pipe Bursting / Pipe Reaming
A method of installing a pipe within an existing pipe where a bursting/reaming head is pushed and/or pulled through the existing pipe, splitting and/or breaking the pipe, forcing the pieces into the adjacent ground, and increasing the size of the opening as needed to accommodate the new pipe that is pulled behind the head.
21-1.8 MEASUREMENT AND PAYMENT
Refer to Section 11, "Measurement and Payment" for payment schedule and bid item descriptions relating to SANITARY SEWER.
21-1.9 QUALITY CONTROL
A. The Engineer may request verification that the pipe used is represented by the certified quality control data. Additional test results showing the pipe does not meet appropriate ASTM Standards will be cause for rejection of the pipe.
B. Competent personnel shall supervise all aspects of pipeline fabrication and installation, including fusion pipe joining.
C. Operator of the fusion equipment shall have certification from the pipe manufacturer or supplier that the operators have been trained in the use of the equipment and have had at least two years of experience operating the equipment.
D. Pipe and fittings may be rejected in whole or part for failure to meet any requirements of this Section.
21-1.10 SUBMITTALS
A. HDPE Pipe
1. Submit catalog cuts and/or certifications to demonstrate the products comply with the specifications.
2. Certification by the manufacturer that all pipe and fittings furnished under this specification were manufactured, sampled tested, and inspected in accordance with ASTM D3350 and ASTM F714-85. Certification shall be signed by an authorized agent of the manufacturer.
A report of test results shall be furnished if requested by the Engineer. The date the pipe was manufactured shall be included in the Certification.
3. Certifications for the fusion equipment operators.
4. Drawings indicating the proposed locations of access pits for pipe bursting and pipe reaming
5. Manufacturer's warranty
6. Fusion logs
B. PVC Pipe
1. Manufacturer’s specifications
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2. Recommended installation procedures
C. Documentation for CCTV inspections as specified in Section 23, "Cleaning and Video Inspection", of these special provisions.
21-1.11 FIELD SURVEYS
a. Contractor shall field verify all inverts of manholes and pipelines as required to perform the work.
b. The manholes and pipelines in easement areas may be hard to access due to extreme slopes and accessibility issues. Contractor shall field verify all conditions and make necessary accommodations to work in such existing conditions.
PART 2 – PRODUCTS
21-2.1 HDPE PIPE
A. HDPE pipe: AWWA C906, except that pipe does not meet NSF standards, nor be labeled with the pipe contents
Maximum SDR: 17
Minimum inside diameter for 8 inch diameter pipe: Where an 8 inch pipe is identified on the Drawings, it shall have a minimum inside diameter of 7.55 inches.
B. Materials
Service Saddles Fused PE Saddle
Sealant Polyurethane waterproof sealant conforming to ASTM C920-87, U.S.
Federal Specifications TT-S-00230C, Type II, Class A.
C. Pipe Bursting Materials
Pipe and Fittings SDR-17 Extra High Molecular Weight, High Density Polyethylene PE 3408, Type III, Grade P34 Cell Class PE345434C, D, or E (inner wall shall be white or light color) per ASTM D3350. Driscopipe "Opticore" or approved equal.
The pipe shall contain no recycled compound except that generate in the manufacturer’s own plant from resin of the same specification from the same raw material pipe.
Pipe and Fittings shall be homogeneous throughout and free of:
1. Serious abrasion, cutting, or gouging of the outside surface extending to more than 10 percent of the wall thickness in depth.
2. Cracks
3. Kinking (generally due to excessive or abrupt bending)
4. Flattening
5. Holes
6. Blisters
7. Other injurious defects
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D. Electrofusion Couplings: Electrofusion couplings shall be manufactured by Central, Frialen by Friatec, or approved equal.
1. Equipment
Butt Fusion Machine McElroy Manufacturing, Inc. or approved equal External and Internal Bead Removers McElroy Manufacturing, Inc. or approved equal Pulling or Pushing Head Driscopipe, Plexco or approved equal. 21-2.2 PVC PIPE
Polyvinyl Chloride (PVC) pipe shall be SDR 26 unless otherwise noted on the Drawings and shall conform to the provisions in Subsection 207-17, "PVC Plastic Pipe", of the Greenbook.
Steel Belted Repair Couplings
Wye fittings shall be furnished with spurs already securely fastened by the manufacturer to the barrel of the pipe. There shall be no projection on the inner surface of the pipe barrel. The axis of the spur on the fitting shall be 45-degree from the longitudinal axis of the pipe. Tee fittings are unacceptable.
21-2.3 STORAGE OF PIPE
Pipe may not be stored within the public right-of-way where it may impede vehicular and pedestrian traffic. The Contractor may arrange with property owners to store pipes on private properties near the project site at the Contractor's own risk. Precautions shall be taken to prevent damage to stored pipe.
21-2.4 PIPE MARKINGS
Pipe shall be marked at 3-foot intervals or less with the manufacturer’s name (or trade mark), the designation ASTM D3350 and ASTM 714, including the year of issue, the letters "PE" followed by the cell classification number of the raw material compound used, the nominal pipe size in inches, the dimensional ratio, and the manufacturer’s code identifying the resin manufacturer, lot number, and date of manufacture. The pipes shall be properly stored and handled in accordance with the manufacturer’s recommendations and shall be less than two (2) years old at the time of installation.
Fittings shall be marked with the manufacturer’s name (or trade mark), the designation ASTM D3350 and ASTM 714, and the manufacturer’s code identifying the resin manufactured, lot number, and date of manufacture.
The outside diameter and wall thickness of pipe and fittings shall conform to ASTM D2122 when measured.
Nominal Size (inches) Nominal OD (inches) Minimum Wall Thickness DR17 (inches) 6 6.625 0.390
8 8.625 0.507
10 10.75 0.632
PART 3 – EXECUTION
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21-3.1 GENERAL
A. Install sewer pipe and appurtenances in accordance with the provisions of these specifications and in compliance with pipe and bursting/reaming equipment manufacturers’ recommendations.
B. Sections of pipe with cuts or gouges in excess of 10% of the wall thickness of the pipe shall be cut out and removed. The undamaged portions of the pipe shall be rejoined by fusion welding.
C. Care shall be taken in handling, transporting and placing pipe and appurtenant structures to prevent damage to the pipe or structure. No interior hooks or slings shall be used in lifting pipe.
All handling operations shall be done with an exterior sling or with a suitable fork lift. 21-3.2 BYPASS PUMPING AND/OR DIVERSION
A. Bypass pumping shall consist of furnishing, installing, and maintaining all power, primary and standby pumps, appurtenances and bypass piping required to maintain existing flows and services.
B. Provide bypass pumping and/or diversion when required for acceptable completion of the pipe bursting and pipe reaming. The pumped sewage shall be in an enclosed hose or pipe that is adequately protected from traffic, and shall be redirected into a sanitary sewer system.
C. Dumping or free flow of sewage on private property, gutters, streets, sidewalks, or into storm sewers is prohibited.
D. Bypass pumping shall be done in such a manner as not to damage private or public property, or create a nuisance or public menace. The Contractor shall take all necessary precautions including constant monitoring of bypass pumping to insure that no private residences or properties are subjected to a sewage backup or spill. The Contractor shall be liable for all cleanup, damages, and resultant fines in the event of a spill. After the work is completed, flow shall be restored to normal.
E. If building sewers are disconnected from the main, provide temporary storage for the sewage from the building or convey by gravity to a sewer. Pump out the temporary storage to a sewer or honey wagon as needed to assure the capacity is not exceeded, but not less than once a day.
21-3.3 OPEN CUT AND ACCESS PIT PIPE INSTALLATION
A. Excavate to the lines, grades and widths indicated on the Drawings and shore as required.
B. Lay the pipe on compacted select material with continuous support to the lines and grades shown on the Drawings.
C. Modify existing manholes as needed to accept the new piping. Anchor the pipe to manholes and other structures using a water stop or flange adaptor that is embedded into the wall of the repaired manhole or structure.
D. Complete modification of the manhole bases.
E. Shovel slice the backfill under the haunches of the pipe.
F. Backfill and compact per Town’s Standard Details.
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21-3.4 GENERAL HDPE PIPE INSTALLATION
A. Install pipe and make butt fusion joints in accordance with the manufacturer’s recommendations and ASTM F 2620.
B. Maintain a fusion log that records the time, hydraulic cylinder pressure, and plate surface temperature for each joint.
C. Do not bend pipe in excess of the maximum recommended by the pipe manufacturer. 21-3.5 PIPE BURSTING AND PIPE REAMING PIPE INSTALLATION A. Select access pit locations to minimize damage to existing improvements in easements and work areas on private property, and to minimize the size and number of pits. Recommended locations shall be at service connections, manhole construction, or at points where spot repairs need to be performed.
The access pits shall be excavated to allow adequate width for access of workers, sheeting and shoring installation, and to provide clearance necessary to avoid damage to the line during insertion. Care shall be taken to protect existing utilities.
B. Excavate at laterals and crossing utilities within two feet of the host pipe as shown on the Drawings. Disconnect the laterals from the host pipe.
C. Clean the sewer to remove debris, roots, or other obstructions that will interfere with bursting and reaming.
D. Modify existing manholes as needed to allow passage of the bursting and reaming equipment.
E. Immediately before bursting and reaming, perform a color CCTV inspection to verify that the host pipe is in a suitable condition to be burst, and submit the documentation to the Town for confirmation before proceeding.
F. Utilize a constant tension static, hydraulic, or pneumatic bursting and reaming system to break the pipe and form a void large to accommodate the outside diameter of the new pipe. Install the new pipe immediately behind the bursting/reaming head.
G. Pipes shall be joined to one another and to plastic fittings by thermal butt-fusion or saddle fusion in accordance with ASTM D2657 or by automatic electrofusion. Time and temperature of fusion shall be per the manufacturer’s recommendation. Weld on flanges may be used to join pipes in access pits if prior approved by the Engineer. Joints shall be stronger than the pipe itself, be properly aligned, and contain no gaps or voids. Bead projections on the inside of the pipe shall be removed. No rubber couplings are allowed on mainlines, unless approved by the Engineer.
H. The Contractor shall allow the new HDPE pipe to return to its original length and shape in the unstressed state and then trim the excess pipe in the manholes. The liner pipe manufacturer's recommendations shall be followed regarding the relief and normalization of stress and strain due to temporary stretching or elongation after pulling operations are completed. Time allowed for stress and strain relief shall not be less than 24 hours before connecting the pipe to the manholes, laterals, or other structures to allow the pipe to adjust for temperature and strain.
I. Anchor the pipe to manholes and other structures using a water stop or flange adaptor that is embedded into the wall of the repaired manhole or structure.
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J. The pipe shall be supported on rollers throughout its entire length during insertion. Dragging of the pipe along the ground during insertion will not be permitted.
K. Complete modification of the manhole bases.
L. Coat the Manhole – Manhole shaft shall be coated with a 100 percent solids epoxy mortar coating to protect the concrete from corrosion caused by Hydrogen Sulfide. The coating shall be Hydro-pox 212 and Hydro-pox 251 (primer) as manufactured by Con-Tech of California, (209) 941-8324 or approved equal. Surface preparation and application shall be performed as recommended by the coating manufacturer.
M. Reconnect the laterals to the new sewer by using suitable water tight insert tees or wyes, or electrowelded tees or wyes. Connect different types of pipe with water tight elastomeric couplings compatible with the outside diameters of the pipe being joined and secure with stainless steel bands.
Liners that are pulled into place shall be sufficiently relaxed prior to installation of the service saddles. The relaxation period shall be determined by the Engineer, but in no case shall the period be less than one hour.
N. Backfill at laterals and access pits as required for trenches. 21-3.6 RESERVED
A. Excavate at laterals and crossing utilities within two feet of the host pipe as shown on the Drawings.
B. Modify existing manholes as needed to accept the new piping. Anchor the pipe to manholes and other structures using a water stop or flange adaptor that is embedded into the wall of the repaired manhole or structure.
C. Complete modification of the manhole bases.
D. Coat the Manhole – Manhole shaft shall be coated with a 100 percent solids epoxy mortar coating to protect the concrete from corrosion caused by Hydrogen Sulfide. The coating shall be Hydro-pox 212 and Hydro-pox 251 (primer) as manufactured by Con-Tech of California, (209) 941-8324 or approved equal. Surface preparation and application shall be performed as recommended by the coating manufacturer
21-3.7 REMEDIAL ACTION REQUIREMENTS
During the bursting and reaming operation, if any obstruction is encountered that prevents the Contractor from bursting or reaming through, an excavation may be made, with prior approval of the Town Engineer, to allow the bursting or reaming to continue. The excavated location of the obstruction shall be paid a minimum 5’ length by open trench unit price per lineal foot regardless the width of the opening.
21-3.8 TESTING AND INSPECTION
A. Following installation of the replacement sewer, but before laterals are connected, perform the following low pressure air test in accordance with ASTM C828 and ASTM F1417. Tests shall be made in the presence of the Contractor and the Engineer or his/her representative.
B. If the pipe fails the air test, the Contractor shall locate the source(s) of the leak and repair the defect(s). The pipe shall then be retested.
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C. Following installation of the replacement sewer, reconnection of laterals, and backfill of excavations, but before replacing surface improvements perform the following tests and inspection:
1. Deflection Test: Mandrel test each section of sewer main with a mandrel 95% of the HDPE pipe average inside diameter as defined by ASTM D3034, and as defined in the following table:
Nominal Pipe Size
(inches)
Average Inside Diameter
(inches)
Minimum Mandrel Diameter
(inches)
6 5.893 5.598
8 7.891 7.497
10 9.864 9.371
2. Final CCTV Inspection: Perform a CCTV inspection in accordance with Section 23, "Cleaning and Video Inspection."
3. If deflection exceeds the allowable, remedy the condition and retest until compliance is reached. Even if the allowable leakage is less than the allowable, correct any leaks that are observed.
D. Additional testing requirements and/or procedures may be required by the City Engineer and/or his/her representative. All testing and retesting shall be done to the satisfaction of the City Engineer.
21-3.9 SERVICE CONNECTIONS
A. Pipe Bursting and Pipe Reaming
1. Contractor shall verify location and diameter of all active laterals.
2. After the replacement pipe has been installed and tested, the Contractor shall reconnect all active lateral services to the new pipe using electrofusion wye saddles.
3. Liners that are pulled into place shall be sufficiently relaxed prior to installation of the wye saddles. The relaxation period shall be determined by the Engineer, but in no case shall the period be less than one hour.
4. All services shall be maintained at all times.
5. A bead of waterproof sealant compatible with the saddle material shall be used around the opening of all service connections.
6. All costs to the Contractor for lateral reconnection including excavations and backfill (95% compaction) shall be included in service reconnection bid items.
B. Open Trench
The minimum length of the lateral to be replaced / reconnected to the sewer main shall be at least 5 feet. The laterals shall be connected to the main with long radius bends, PVC wye fittings as shown on the Standard Details. When roots are encountered in service laterals, that are to be replaced, Contractor shall perform root removal. Connect different types of pipe with water tight elastomeric couplings compatible with the outside diameters of the pipe being joined and secure with stainless steel bands.
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21-3.10 SIGNS
A sign which reads, "CAUTION-PE PIPE-DO NOT ROD", shall be placed inside the manhole(s) where the polyethylene pipe is installed. These signs shall be installed at 12 inches below the grade ring on the manhole walls. Signs shall be made of polyethylene, cellulose acetate butyrate, or an approved equal with 3" minimum letter size and anchored to the manhole walls with stainless steel anchor bolts.
END OF SECTION
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SECTION 22 –MANHOLE REHABILITATION
PART 1 – GENERAL
22-1.1 WORK INCLUDED
This section covers repair and rehabilitating existing manholes. Manholes shall be as specified herein and repaired and rehabilitated at the locations shown on the Drawings. 22-1.2 SUBMITTALS
A. Manufacturer’s specifications
22-1.3 MEASUREMENT AND PAYMENT
Refer to Section 11, "Measurement and Payment" for payment schedule and bid item descriptions relating to MANHOLE REHABILITATION.
PART 2 – PRODUCTS
22-2.1 SEALING MATERAILS
Patching Perco Patch by Perco Industries or Patch 'n Plug by Xypex Leak Plug (interior) Rapid-setting cement-based water-stop mortar shall Patch 'n Plug by Xypex
Leak Plug (exterior) Gel type chemical grout shall be by 3M or equal Seal Coating The seal coating shall be Brush bond as manufactured by Perco Industries or Xypex Concentrate as produced by Xypex.
22-2.2 COATING MATERAILS
Epoxy Grout Epoxy grout shall be 100% solids epoxy compatible with the specified epoxy liner and shall be applied in accordance with the manufacturer’s recommendations. Epoxy Grout shall be by NeoPoxy (NeoPoxy NPR-3501 high tensile elongation epoxy elastomeric grout and sealant or NeoPoxy NPR-5305 trowelable epoxy filler, grout and sealant.) or equal.
Epoxy Liner Epoxy Coating shall be by NeoPoxy NPR-5300 Series “PureEpoxy” or equal. The epoxy liner shall be a series of rapid curing reactive epoxy polymers made up of a variety of viscosities based upon identical reactive ingredients which exhibit excellent cure properties at low temperatures, in the presence of moisture and underwater. Develops a hard surface in four hours, or less, under typical ground temperature conditions of 65°F at a liner thickness of 250 mils. Longer cure time will be allowed for lower surface temperatures or underwater conditions. The epoxy manufacturer shall provide cure guidelines to the contractor for lower temperature conditions. The specified physical and chemical properties shall have been demonstrated by independent third party testing to be resistance to acids, caustics, gasoline and other normal municipal sewage chemicals, biological agents and their byproducts. Must be resistant to saturated hydrogen sulfide gas as found in municipal sewer systems. May be either
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trowel or spray applied. Shall be colorcoded light green, similar to what is generally accepted as “sewer pipe green”.
Product type Polyamine cured epoxy resin
Component Colors Contrasting colors for part A & B
Mixed Color Light Green
Solids Content (vol. %) 100
Solvent Content (vol. %) 0
Compressive Strength, psi. >10,000
Tensile Elongation, % >4
Flexural Modulus, psi. >450,000
Shore Hardness, Type D >80
Bond Strength – Concrete >Tensile strength of concrete
Primer required: None (self-priming)
PART 3 – EXECUTION
22-3.1 REHABILITATING EXISTING MANHOLES – STANDARD
A. Repairing and rehabilitating existing manhole and appurtenances consists of sealing of manhole walls, manhole covers, and annular spaces around the pipe entering and leaving manholes; repairing and rebuilding bases including channels; eliminating of leakage at junction of walls and base and at wall and frame; replacing cast iron frames and/or covers; rebuilding manhole walls; removing of existing steps; and other related miscellaneous work.
B. Contractor shall find, uncover, and recover (if required) missing structures as noted on the plans or stated herein. Contractor shall utilize sondes, TV equipment, metal detectors, excavation equipment, and other equipment to locate the sanitary sewer structure. Contractor shall expose and document the location.
C. Seal Manholes
Sealing manhole structures consists of cleaning, derooting, filling voids, grouting joints, stopping leaks, and coating the interior of the manhole with a sealer. The sealer shall penetrate the existing concrete and form crystalline structures within the pores of the concrete that will seal the concrete.
1. Patch holes and cracks using Perco Patch by Perco Industries or Patch ‘n Plug by Xypex or equal.
2. Stopping leaks shall be done by chemical injection through interior wall of the manhole or rapid-setting cement-based water-stop mortar to stop the infiltration. Chemical injection shall be used per manufacturer’s recommendations for the existing site conditions.
3. The seal coating shall be an acrylic modified cemetatious coating that is self curing, suitable for spray or brush application. The seal coating shall be Brush bond as manufactured by Perco Industries or Xypex Concentrate as produced by Xypex or equal.
D. Coat Manholes
Coat manholes with a monolithic ultra high-build epoxy lining to rebuild, eliminate infiltration, provide corrosion protection, and repair voids. Procedures for surface preparation, cleaning, application and testing are described herein. All application procedures shall follow themanufacturer’s guidelines and meet the following minimum requirements:
1. Surface Preparation
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a. Clean Surface
Clean the surface by removing any laitance, dust, unsound, loose, or contaminated material, plaster, oil, paint, grease, corrosion deposits or bacteriological growths.
Chemical cleaning aids may be used with water blast equipment, however, Engineer must approve detergents or degreasers proposed by the contractor and they must be suitable for the water temperature used in any pressure washer system employed.
Where breaking out mortar is not required, roughen the surface and remove any laitance by mechanical means, low-pressure hot water blast (minimum 3500 psi. pump pressure at 4 gpm), or high-pressure cold water blast (>5000 psi. pump pressure at 4 gpm) with or without sand injection as is appropriate, abrasive (sand) blasting, acid etching and water cleaning, or shotblasting to a sound profile surface.
Follow surface cleaning procedures with a soaking rinse of chlorinated water to destroy remaining biologicals and neutralize the surface. The chlorine solution shall be rinsed with fresh water after not less than fifteen minutes dwell time. Test the wet surface pH with universal pH indicator paper with a range of pH 0 –10, or other suitable test instrument. Acceptable surface pH for epoxy grouting repairs and lining shall be not less than 6 or more than 9.
b. Stop Leaks/Fill
Seal leaks with epoxy grout on the surface that is coated. Fill any voids with epoxy patching material or grout according to the manufacturer’s recommendations. For flowing or weeping water conditions, rapid setting cementitious “plug” materials may be used instead of epoxy grouts. Exterior injection of a gel type chemical grout shall be used, if necessary.
2. Apply Coating
After the surface is properly prepared to apply the coating, apply the epoxy liner by trowel or spray. The epoxy liner thickness shall be a minimum of 125 mils over the entire surface.
Manholes shall be coated from the frame and cover to the pipe in the channel. If the pipe does not go through the manhole, the coating shall extend to at least the springline of the pipe. The applicator shall be certified by the coating manufacturer to apply the coating E. Certification
The Contractor shall provide a third party NACE certified inspector to inspect each phase of the work. The inspector shall verify that the surface preparation, coating application, and final product meet the requirements specified herein and the manufacturer’s requirements. A manufacturer’s representative shall also be available for consultation and site visits, if requested by the Town.
F. Testing
After rehabilitation work has been completed, the Contractor shall test all manholes for leakage by vacuum testing. Vacuum Testing shall be performed in accordance with ASTM C1244-93, “Standard Test Method for Concrete Sewer Manholes by Negative Air Pressure (Vacuum) Test Prior to Backfill” and meet the following minimum requirements.
1. Preparation of the manhole prior to testing shall include plugging all lift holes and temporarily plugging all pipes entering and existing the manhole, taking care to securely brace the pipes and plugs to prevent them from being drawn into the manhole.
2. The test head shall be placed at the inside top of the cone section and the seal inflated in accordance with the manufacturer’s recommendation.
3. A vacuum of 10 inches of mercury shall be drawn and the vacuum pump shut off. With the valve closed, the time shall be measured for the vacuum to drop to 9 inches.
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4. The manhole shall pass if the elapsed time is greater than 60 seconds for a 48” diameter manhole, 75 seconds for 60” diameter, and 90 seconds for 72” diameter.
5. Manholes that fail the test shall be patched as required and retested as necessary until a satisfactory test is achieved.
6. A vacuum regulator shall be provided on the vacuum pump such that no greater than 10 psi can be applied to the manhole during the test. All manholes that do not meet the leakage test shall be repaired to the satisfaction of the Engineer. 22-3.2 REHABILITATING EXISTING MANHOLES WITH FLOWING LEAKS A. Repairing and rehabilitating existing manhole with flowing leaks and appurtenances consists of sealing of manhole walls, manhole covers, and annular spaces around the pipe entering and leaving manholes; repairing and rebuilding bases; eliminating of leakage at junction of walls and base and at wall and frame; replacing cast iron frames and/or covers; rebuilding manhole walls; removing of existing steps; and other related miscellaneous work.
B. Contractor shall find, uncover, and recover (if required) missing structures as noted on the plans or stated herein. Contractor shall utilize sondes, TV equipment, metal detectors, excavation equipment, and other equipment to locate the sanitary sewer structure. Contractor shall expose and document the location.
C. Seal and Coat Manholes
1. Surface Preparation
a. Prepare surfaces to be repaired by low pressure water cleaning (LP WC, 4,000 psi minimum), abrasive blasting, hand, or power tool cleaning to remove all unsound concrete, contaminants, dirt, debris, and/or deteriorated reinforcing steel. Refer to the International Concrete Repair Institute (ICRI) technical guideline titled Surface Preparation Guidelines For The Repair Of Deteriorated Concrete Resulting From Reinforcing Steel Oxidation.
b. Surface should have a minimum profile of 1/16" (preferably with aggregate exposed)
2. Materials
a. MAINSTAY ML-10 Hydraulic Cement Mortar by Madewell or equal b. MAINSTAY ML-72 Sparyable Microsilica Restoration Mortar by Madewell or equal c. MAINSTAY DS-5 High Build Epoxy Coating or equal
3. Application
a. MAINSTAY ML-10 Hydraulic Cement Mortar by Madewell
1. Stop the leak thorough cracks and holes by applying the MAINSTAY ML-10 by hand in small quantities or with a trowel. Press the mixed material firmly into place starting at the top of the leak, and work downward. Numerous small applications are typically required to completely seal large leaks.
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2. Working time: approximately 45 to 90 seconds at 77° Fahrenheit (F). The working time will be extended somewhat at lower temperatures and shortened at higher temperatures.
3. Finish with a sponge or brush
4. If applicable, MAINSTAY ML-10 should be topcoated immediately after finishing or as soon as the surface becomes firm to the touch. If not topcoated, MAINSTAY ML-10 should be kept moist for the first 72 hours after placement or treated with a curing compound to slow the evaporation of mix water.
b. MAINSTAY ML-72 Sparyable Microsilica Restoration Mortar by Madewell
1. Apply minimum of 1/4 inch and up to 3/4 inch of MAINSTAY ML-72 by low to medium velocity wet mix shotcrete equipment (pneumatic spray) or by hand using a trowel.
2. Working Time: Approximately 30 minutes at 80° Fahrenheit (F). The working time will be extended at lower temperatures and shortened when higher
3. Finish using a steel trowel, wood float, sponge float, broom, or brush, depending on the surface texture desired. Surface be finished to a smooth, somewhat grainy texture using a sponge or wood float.
4. If applicable, MAINSTAY ML-72 should be topcoated immediately after finishing or as soon as the surface becomes firm to the touch. If not topcoated, MAINSTAY ML-72 should be kept moist with clean water for the first 72 hours after placement. c. MAINSTAY DS-5 High Build Epoxy Coating
1. Apply MAINSTAY DS-5 by trained workmen using specialized equipment. Both components must be preheated between 70º F and 90º F prior to application. A 56:1 airless spray pump with an air input pressure of ~90 pounds per square inch (psi) is used to feed material through up to 50' of 3/8" diameter hose to a standard airless spray gun with a 0.031" to 0.035" reversible tip. It is recommended that 60 mesh in line strainers/filters be used. Other equipment, such as whip hoses, heaters, or plural component equipment may be employed.
2. Spray 100 mils of MAINSTAY DS-5
3. Finalized with Madewell 806, a 100% solids flexible epoxy joint sealant. Apply it with trowel to the joint between the chimney and the manhole frame at a thickness of 1/4 inch.
4. Create a smooth transition between the bench and those walls of the manholes to avoid debris accumulation.
5. MAINSTAY DS-5 can be applied to MAINSTAY ML-72 within one to two hours after the MAINSTAY ML-72 has been placed and finished (when the MAINSTAY ML-72 has just become firm to the touch).
6. Working Time: Approximately 45 minutes at 80° F. The working time will be extended somewhat at lower temperatures and shortened at higher temperatures
7. Material thinning is not allowed.
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D. Testing
After rehabilitation work has been completed, the Contractor shall test all manholes for leakage by vacuum testing. Vacuum Testing shall be performed in accordance with ASTM C1244-93, “Standard Test Method for Concrete Sewer Manholes by Negative Air Pressure (Vacuum) Test Prior to Backfill” and meet the following minimum requirements.
1. Preparation of the manhole prior to testing shall include plugging all lift holes and temporarily plugging all pipes entering and existing the manhole, taking care to securely brace the pipes and plugs to prevent them from being drawn into the manhole.
2. The test head shall be placed at the inside top of the cone section and the seal inflated in accordance with the manufacturer’s recommendation.
3. A vacuum of 10 inches of mercury shall be drawn and the vacuum pump shut off.
With the valve closed, the time shall be measured for the vacuum to drop to 9 inches.
4. The manhole shall pass if the elapsed time is greater than 60 seconds for a 48” diameter manhole, 75 seconds for 60” diameter, and 90 seconds for 72” diameter.
5. Manholes that fail the test shall be patched as required and retested as necessary until a satisfactory test is achieved.
6. A vacuum regulator shall be provided on the vacuum pump such that no greater than 10 psi can be applied to the manhole during the test. All manholes that do not meet the leakage test shall be repaired to the satisfaction of the Engineer.
END OF SECTION
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SPECIAL PROVISIONS SECTION 23
2022 SANITARY SEWER REPAIR AND REPLACEMENT PROJECT
SECTION 23 – CLEANING AND VIDEO INSPECTION
PART 1 – GENERAL
23-1.1 WORK INCLUDED
A. The existing sewer shall be cleaned and color video inspected prior to pipe bursting, pipe reaming, and open trench excavation. The Contractor shall verify locations of all active lateral connections and spot repairs as described on the plans and specified herein.
B. After installation, pipe and structures shall be cleaned, pressure tested, and color video inspected in accordance with Project Specifications and these standards. If the color video shows that work is not considered satisfactory by the Town, the Contractor shall redo the work or correct the problems at no additional cost to the Town.
C. Water for project sewer line cleaning shall be obtained from the Purissima Hills Water District and/or California Water Service Company service area via a permit and District meter assembly. For Purissima Hills Water District area, the Contractor shall only use the point of connection to the water source at the intersection of Fremont Road and St. Francis Road.
23.1.2 MEASUREMENT AND PAYMENT
Measurement and payment to the bid item shall be on lump sum basis. No additional payment shall be made to re-inspect sewer lines that have required additional corrective work to make Contractor’s initial work acceptable. The contract price paid for cleaning and video inspection of sanitary sewer pipe from manhole to manhole shall include full compensation for furnishing all labor, materials, tools, equipment and incidentals for doing all work involved in the cleaning and video inspection of the sewer pipe, as specified herein and as directed by the Engineer.
PART 2 – PRODUCTS
23-2.1 EQUIPMENT
A. Cleaning
1. Hydraulically propelled equipment such as root saws or rotating chain flails shall be used for root removal.
2. Hydraulically propelled equipment such as sewer balls or movable dam shall not be used.
3. High-Velocity Hydraulic (Hydro-Cleaning) Equipment: High-velocity sewer cleaning equipment shall have a minimum working pressure of 1,000 psi at a 30-gpm rate. The nozzles shall be capable of producing a scouring action in the lines designated to be cleaned to remove debris and sand from the flow line. The equipment shall carry a nominal 800-gallon minimum water tank and have a minimum of 650 feet of high pressure hose.
4. Vacuum truck/loader: vacuum loader shall be a 3 axle, 27" mercury (high-vacuum unit) with a positive displacement blower producing a minimum of 3,500 CFM air flow, 8" suction tubes, and 16 cubic yards capacity. The equipment shall have an operation length of at least 800 feet.
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B. Video Inspection
The color television camera to be used for the inspection shall be one specifically designed and constructed for operation in connection with sewer inspection. It shall be operative in 100 percent humidity conditions and have a 360-degree radial view rotating head.
The camera head shall be capable of rotating to view up lateral connections and to evaluate defects.
Lighting and camera quality shall be suitable to allow a clear in-focus picture of a minimum of six linear feet of the entire inside periphery of the sewer pipe. Lighting for the camera shall minimize reflective glare.
To ensure peak picture quality throughout all conditions encountered during the survey, a variable intensity control of the camera lights and remote control adjustments for focus and iris shall be located at the monitoring station.
Focal distance shall be adjustable through a range of from six inches to infinity. Continuously displayed on the monitor shall be the date of the survey, number designation of the upstream and downstream manholes corresponding to the line section being surveyed, and a continuous forward and reverse readout of the camera distance from the manhole of reference.
The remote reading footage counter shall be accurate to two-tenths of a foot. The color camera, television monitor and other components shall be capable of producing a minimum 500-line resolution color video picture. The equipment shall have a minimum operation length of at least 800 feet.
PART 3 – EXECUTION
23-3.1 PROCEDURE
A. Cleaning
1. The designated sewer sections shall be cleaned using hydraulically propelled, high-velocity jet equipment. Selection of the equipment used shall be based on the conditions of lines at the time the work commences.
1. The equipment shall be capable of removing dirt, grease, rocks, sand, roots and other materials and obstructions from the sewer lines and manholes.
2. If cleaning of the entire section cannot be successfully performed from one manhole, the equipment shall be set up at the destination manhole and cleaning attempted again.
3. A minimum of one operator and two laborers shall be at the job site at all times. One set of cleaning equipment, one vacuum loader, and a minimum of 300 linear feet of flexible hose for vacuuming, shall be at the job site at all times. (Contractor shall be responsible for all cost for obtaining water).
B. Material Removal
All sludge, dirt, sand, rocks, grease, roots, and other solid or semisolid material resulting from the cleaning operation shall be removed at the downstream manhole of the section being cleaned. Passing material from manhole to manhole will not permitted.
C. Disposal of Materials
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1. All solids or semisolids resulting from the cleaning operations shall be removed from the site and disposed outside of the Town limits. Contractor shall comply with all federal, state, and local regulations regarding disposal of debris outside Town limits. However, the Contractor may elect to provide and install a temporary solid transfer facility (including phase separator with cover, filter screens, and ramp).
2. The temporary facility may be staged within the Town’s property adjacent to the intersection of Purissima Road and Elena Road.
3. Liquid in the phase separator shall be drained directly to the Town sanitary sewer manhole adjacent to the transfer facility.
4. The Contractor shall be responsible for cleaning and maintenance of the area and shall ensure any spilled materials are flushed into the sanitary sewer manhole.
2. A containment system, approved by the Town’s Engineer, shall be installed to keep debris from entering the storm drain system. It is the responsibility of the Contractor to keep odors to a minimum by removing/disposing of the debris on a regular basis, covering the debris box during off hours, and cleaning the area around the facility on a daily basis. At a minimum, debris boxes shall be emptied and replaced once a week.
3. No separate payment will be allowed for disposal of debris and all costs therefore shall be included in the contract items of work.
D. Pressure Testing
1. All sewer pipes shall be tested for exfiltration and or infiltration and deflection, as specified.
2. All manholes shall be tested for leakage, as specified. Manholes shall be tested prior to backfill placement, if possible, whereas all pipes shall be backfilled prior to testing.
3. All leakage tests shall be completed and approved prior to placing permanent resurfacing.
4. When leakage or infiltration exceeds the amount allowed by the Contract Documents, the Contractor, at its expense, shall locate the leak(s), submit a repair procedure(s) for the Engineer’s review, and make necessary repairs or replacements in accordance with the Contract Documents to reduce the leakage or infiltration to the specified limits. Any individually detectable leaks shall be repaired, regardless of the results of the test.
5. The Contractor in the presence of the Engineer shall test the water tightness of the new main sewer piping in accordance with ASTM C828-11 – Standard Test Method for LowPressure Air Test, ASTM F1417-11a – Standard Practice for Installation Acceptance of Plastic Non-pressure Sewer Lines Using Low-Pressure Air and ASTM C1244-11 – Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill.
E. Video Operation
1. The camera shall be moved through the line in either direction at a uniform rate, stopping when necessary to permit proper documentation of the sewer condition. In no case will the television camera be pulled at a speed great than 30 feet per minute. Manual winches, power winches, TV cable, and powered rewinds or other devices that do not obstruct the camera view or interfere with proper documentation of the sewer condition shall be used to move the camera through the sewer line.
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2. As the camera approaches a lateral connection or substantial defect, the camera progress shall be halted, and the camera lens panned to further view the lateral pipe and connection (including looking up the lateral) or defect to thoroughly evaluate its condition.
3. When manually operated winches are used to pull the television camera through the line, walkie talkie radios or other suitable means of communication shall be set up between the two manholes of the section being inspected to ensure good communication between members of the crew.
4. The importance of accurate distance measurement is emphasized. The accuracy of the footage counter shall be checked by use of a walking meter, roll-a-tape, or other suitable device, and the accuracy shall be satisfactory to the Engineer.
5. In the event the section being televised has substantial flow entering the sewer between manholes, such that inspection of the sewer is impaired, the Contractor shall coordinate with the the Town to have the flow temporarily stopped and/or reschedule television inspection of the particular section to a time when the flow is reduced to permit proceeding with the television inspection.
F. Television Inspection Logs
Prepare a written record that documents the location of the inspection, date and time of the inspection, type and diameter of the pipe, direction of travel, and location and type of conditions observed including sanitary sewer laterals, roots, storm sewer connections, broken pipe, cracks, offset joints, sags, scale and corrosion, and other discernible features per NAASCO Standards.
G. Photographs
The Contractor shall capture digital still images of all observations made during every inspection.
H. Digital Video Recordings
1. Prepare a digital visual and audio record of the inspection to document conditions observed. Recording playback shall be at the same speed in which it was recorded. Slow motion or stop-motion playback features may be supplied at the option of the Contractor.
2. The Contractor shall have all recordings and necessary playback equipment readily accessible for review by the Town during the project. Each segment of the submitted final recording shall begin and end at a manhole or cleanout, which shall be identified by the nomenclature used in the Drawings.
3. Digital recordings shall be labeled and individually numbered, beginning with the project name followed by Disc #01, #02, etc. Labels shall be typewritten and include project title, date(s) of recording, disc number, and segment (including MH#).
4. Recordings shall include the following:
a. Data View Before the Inspection: Location, date and time of video inspection, material of the pipe, diameter of the pipe and direction of travel. b. Data View During Inspection: Location, date and current distance along reach. c. Audio shall include:
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i. Date and time of video inspection
ii. Verbal confirmation of upstream and downstream manhole numbers iii. Verbal description of pipe size, type and pipe joint length iv. Verbal description of location of each defect
v. Verbal description of location of each service connection point I. Length Report
Prepare a written report identifying the length of each segment of pipeline measured from centerline of manhole to centerline of manhole, from cleanout to centerline of manhole, or cleanout to cleanout.
If a difference of more than ten feet is found from the distance shown on the Drawings, notify the Town’s Representative and re-measure the distance in his/her presence.
END OF SECTION
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SPECIAL PROVISIONS SECTION 24
2022 SANITARY SEWER REPAIR AND REPLACEMENT PROJECT
SECTION 24 – STORM WATER POLLUTION PREVENTION
PART 1 – GENERAL
24-1.1 DESCRIPTION
A. Work Included
The goal of these requirements is to prevent the pollution of storm water run-off on construction projects by keeping pollution out of storm drains, reducing the exposure and discharge of materials and wastes to storm water and by reducing erosion and sedimentation. Storm drains discharge run-off directly to creeks and the bay without treatment. 24-1.2 GENERAL REQUIREMENTS
A. The following requirements shall be met on all projects within the Town of Los Altos Hills.
1. Non-hazardous Material/Waste Management
a. Designated Area
The Contractor shall propose designated areas of the project site for approval by the Engineer, suitable for material delivery, storage and waste collection to the maximum practicable extent, are near construction entrances and away from catch basins, gutters, drainage courses and creeks.
b. Granular Material
The Contractor shall store granular material at least 10 feet away from catch basins and curb returns.
The Contractor shall not allow granular material to enter the storm drains or creeks.
When rain is forecast within 24 hours or during wet weather, the Contractor is required to cover granular material with a tarpaulin and to surround the material with sandbags. c. Dust Control
Dust control shall be in accordance with Subsection 14-11.04, "Dust Control" of the Standard Specifications.
d. Street Sweeping
At the end of each working day or as directed by the Engineer, the Contractor shall clean and sweep roadways and on-site paved areas of materials attributed to or involved in the work. The Contractor shall not use water to flush down streets in place of street sweeping.
e. Recycling
The Contractor shall recycle aggregate material, asphalt concrete and Portland Cement concrete at an approved recycling site.
f. Disposal
At the end of each working day, the Contractor shall collect all scrap, debris and waste materials and dispose of such materials properly.
The Contractor shall inspect dumpsters for leaks and contact trash hauling contractors to replace or repair dumpsters that leak.
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The Contractor shall arrange for arrange for regular waste collection before dumpsters overflow.
2. Hazardous Material/Waste Management
a. Storage
The Contractor shall label and store all hazardous materials, such as pesticides, paints, thinners, solvents and fuels and all hazardous wastes, such as waste oil and antifreeze.
The Contractor shall store all hazardous materials and all hazardous waste according to the County of Santa Clara Regulations.
The Contractor shall keep an accurate up-to-date inventory of hazardous material and hazardous wastes stored on site to assist emergency response personnel if there is a hazardous material incident.
b. Usage
When rain is forecast within 24 hours or during wet weather, the Contractor shall not apply chemicals in outside areas.
The Contractor shall not over apply pesticides or fertilizers and shall follow material manufacturer’s instructions regarding uses, protective equipment, ventilation, flammability and mixing of chemicals.
c. Disposal
The Contractor shall arrange for regular hazardous waste collection to comply with time limits on storage of hazardous waste.
The Contractor shall dispose the hazardous waste only at authorized and permitted Treatment, Storage and Disposal Facilities and use only licensed hazardous waste haulers to remove the waste off-site, unless quantities to be transported are below applicable threshold limits for transportation specified in State and Federal Regulations.
3. Spill Prevention and Control
a. The Contractor shall keep a stockpile of spill cleanup materials, such as rags or absorbents, readily accessible on site.
b. The Contractor shall immediately contain and prevent leaks and spills from entering storm drains and properly clean up and dispose of the waste and clean up materials.
c. The Contractor shall not wash any spilled material into streets, gutters, storm drains, or creeks and shall not bury spilled hazardous materials. d. The Contractor shall report any hazardous materials spill to the Town of Los Altos Hills Public Works Department at (650) 941-7222.
4. Vehicle/Equipment Cleaning
a. The Contractor shall not perform vehicle or equipment cleaning on site or in the street using soaps, solvents, degreasers, steam cleaning equipment or equivalent methods.
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b. The Contractor shall perform vehicle or equipment cleaning, with water only, in a designated, bermed area that will not allow rinse water to run off-site or into streets, gutters, storm drains or creeks.
5. Vehicle/Equipment Maintenance and Fueling
a. The Contractor shall perform maintenance and fueling of vehicles or equipment in a designated, bermed area or over a drip plan that will not allow run-on storm water runoff of spills. b. Use secondary containment, such as a drip pan to catch leaks or spills any time that vehicle or equipment fluids are dispensed, changed or poured. c. Keep a stockpile of spill cleanup materials, such as rags or absorbents, readily accessible on site.
d. Clean up leaks and spills of vehicles or equipment fluids immediately and dispose of the waste and clean up materials as hazardous waste.
e. Do not wash any spilled material into streets, gutters from drains, or creeks and shall not bury spilled hazardous.
f. Report any hazardous materials spill to the Town of Los Altos Hills. g. Inspect vehicles and equipment arriving on site for leaking fluids and shall promptly repair leaking vehicles and equipment. Drip plans shall be used to catch leaks until repairs are made.
h. Recycle waste oil and anti-freeze to the maximum practical extent. i. Comply with Federal, State and Town requirements or aboveground storage tanks.
6. Contractor Training and Awareness
a. The Contractor shall train all employees/subcontractors on the storm water pollution prevention requirements contained in these Specifications. b. Inform subcontractors of the storm water pollution prevention contract requirements and include appropriate subcontract provisions to ensure that these requirements are met.
c. Post warning signs in areas treated with chemicals.
d. Add new storm drain marker and paint new catch basins, constructed as part of the project, with "No Dumping".
B. Activity Specific Requirements
The following requirements shall be met on all projects with the Town of Los Altos Hills which include the listed activities.
1. Dewatering Operation
a. Sediment Control
The Contractor shall route water through a control measure, such as a sediment trap, sediment basin trap, sediment basin to remove settleable solids before discharge to the storm drain system.
Approval of the control measures shall be obtained in advance from the Engineer.
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Filtration of the water following the control measures may be required on a case-bycase basis.
If the Engineer determines that the dewatering operation would not generate an appreciable amount of settleable solids, the control measures requirement in (1) above may be waived.
The Contractor shall reuse water for other needs, such as dust control or irrigation to the maximum practicable extent.
b. Contaminated Groundwater
If the project is within an area of known groundwater contamination, then water from dewatering operations shall be tested before discharge. If the water quality meets Regional Water Control Board (RWQCB) standards, then it may be discharged to the storm drain.
Otherwise, the water shall be treated or hauled off-site for proper disposal.
2. Paving Operations
a. Project Site Management
When rain is forecast 24 hours or during wet weather, the Engineer may prevent the Contractor from paving.
The Engineer may direct the Contractor to protect drainage courses by using control measures, such as earth dike, straw bale and sandbag to divert run-off or trap and filter sediment.
The Contractor shall place drip pans or absorbent material under paving equipment when not in use.
The Contractor shall cover catch basins and manholes when paving or applying a seal coat or tack coat.
b. Paving Waste Management
The Contractor shall not sweep or wash down excess sand or screenings (placed as part of a sand seal, chip seal or to absorb excess oil) into gutters, storm drains or creeks. Instead, the Contractor shall either collect the sand and screenings or return it to the stockpile or dispose of it in a trash container. The Contractor shall not use water to wash down fresh asphalt concrete pavement.
3. Saw Cutting
a. During saw cutting, the Contractor shall cover or barricade catch basins using control measures, such as filter fabric, straw bales, sandbags and fine gravel dam to keep slurry out of the storm drain system. When protecting a catch basin, the Contractor shall ensure that the entire opening is covered.
b. The Contractor shall shovel, absorb or vacuum saw cut slurry, and pick up waste before moving to the next location or at the end of each working day, whichever is sooner.
c. If saw cut slurry enters catch basins, the Contractor shall remove the slurry from the storm drain system immediately.
4. Contaminated Soil Management
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a. On all projects involving grading or excavation, the Contractor shall look for contaminated soil as evidenced by site history, discoloration, odor, differences in soil properties, abandoned underground tanks or pipes or buried debris. If the project is not within an area of known soil contamination and no evidence of soil contamination is found, then testing of the soil shall only be required if directed by the Engineer. The Contractor shall follow state and federal standards if contamination is found. b. If the project is within an area of known soil contamination or evidence of soil contamination is found, then soil from grading or excavation operations shall be tested.
The soil shall be managed as required by the Engineer.
5. Concrete, Grout and Mortar Waste Management
a. Material Management
The Contractor shall store concrete, grout and mortar away from drainage areas and ensure that these materials do not enter the storm drain system. b. Concrete Truck/Equipment Wash Out
The Contractor shall not wash out concrete trucks or equipment into streets, gutters, storm drains or creeks.
The Contractor shall perform wash out of concrete trucks or equipment off-site or in a designated area on site where water will flow onto dirt or into a temporary pit in a dirt area. The Contractor shall let the water percolate into the soil and dispose of the hardened concrete in a trash container. If a suitable dirt area is not available, then the Contractor shall collect the wash water and remove it off-site. c. Exposed Aggregate Concrete Wash Water
The Contractor shall avoid creating run-off by draining water from washing of exposed aggregate concrete to a dirt area. If a suitable dirt area is not available, then the Contractor shall filter the wash water through straw bales or equivalent material before discharging to the storm drain.
The Contractor shall collect and return sweepings from exposed aggregate concrete to a stockpile or dispose of the waste in a trash container.
6. Painting
a. Painting Clean Up/Designated Area
The Contractor shall conduct cleaning of painting equipment and tools in a designated area that will not allow run-on of storm water or run-off of spills.
The Contractor shall not allow wash water from cleaning of painting equipment and tools into streets, gutters, storm drain or creeks.
b. Water-Based Paint - The Contractor shall remove as much excess paint as possible from brushes, rollers and equipment before starting clean up.
To the maximum practicable extent, the Contractor shall dispose of wash water from aqueous cleaning of equipment and tools to the sanitary sewer.
Otherwise, the Contractor shall direct wash water onto dirt area and spade in. c. Oil-Based Paint
The Contractor shall remove as much excess paint as possible from brushes, rollers and equipment before starting clean up.
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To the maximum practicable extent, the Contractor shall filter paint thinner and solvents for re-use.
The Contractor shall dispose of waste thinner and solvent and sludge from cleaning of equipment and tools and hazardous waste, as described in Section A.2.c above. d. Material/Waste Management
The Contractor shall store paint, solvents, chemicals and waste materials in compliance with the County of Santa Clara Hazardous Materials Storage Regulations and all applicable State and Federal regulations. The Contractor shall store these materials in a designated area which will not allow run-on of storm water of run-off of spills.
The Contractor shall dispose of excess thinners, solvents, oil and water-based paint as hazardous waste.
The Contractor shall dispose of dry, empty paint cans/buckets, old brushes, rollers, rags and drop cloths in the trash.
7. Earthwork
The Contractor shall maximize the control of erosion and sediment by using the BMP’s for erosion and sedimentation in the California Storm Water Best Management Practice Handbook - Construction Activity.
24-1.3 MEASUREMENT AND PAYMENT
No separate measurement shall be allowed for storm water pollution prevention work. Full compensation for furnishing all materials, labor, equipment, tools and for doing all work required work, as specified herein, as shown on the plans and as directed by the Engineer shall be included in various bid items and no additional compensation shall be allowed therefor.
PART 2 – PRODUCTS
NONE
PART 3 – EXECUTION
NONE
END OF SECTION
APPENDIX A
SANITARY SEWER OVERFLOWS
APPENDIX A - SANITARY OVERFLOWS
What? A sanitary sewer over flow (SSO) is a discharge of untreated human and industrial waste before it reaches the wastewater treatment facility.
Where? SSOs usually occur through manholes, plumbing fixtures, and service contract.
Why? SSOs are usually caused by grease, debris, root balls, or personal hygiene products blocking the sewer lines, or by unusual high flow volume.
The following procedures are to be followed in the event that you cause or witness a SSO.
All media and public relations requests should be directed to City Clerk at (650) 741- 7222.
Contractor causes or
witnesses a SSO
Immediately notify the Town
for directions
(650) 941-7222
APPENDIX B
LOCATION MAPS
TOWN OF LOS ALTOS HILLS C-101 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 1
ADOBE CREEK LODGE
TOWN OF LOS ALTOS HILLS C-102 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 3
MURIETTA LANE
TOWN OF LOS ALTOS HILLS C-103 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 4
OLD SNAKEY ROAD
TOWN OF LOS ALTOS HILLS C-104 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 5
HOOPER LANE
TOWN OF LOS ALTOS HILLS C-105 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 6
VIA CERRO GORDO
TOWN OF LOS ALTOS HILLS C-106 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 7
ESPERANZA DR
TOWN OF LOS ALTOS HILLS C-107 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 18
MIRANDA RD
TOWN OF LOS ALTOS HILLS C-108 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 14
STONEBROOK DR
TOWN OF LOS ALTOS HILLS C-109 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATIONS 16 & 17
VIA VENTANA WAY
TOWN OF LOS ALTOS HILLS C-110 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 20
VISCAINO ROAD
TOWN OF LOS ALTOS HILLS C-111 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 21
LA CRESTA DRVE
TOWN OF LOS ALTOS HILLS C-112 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 25
MIRANDA ROAD
TOWN OF LOS ALTOS HILLS C-113 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 26
MATADERO CREEK CT
TOWN OF LOS ALTOS HILLS C-114 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 27
ROBLE ALTO DRIVE
TOWN OF LOS ALTOS HILLS C-115 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 29
FINN LANE
TOWN OF LOS ALTOS HILLS C-116 2022 SANITARY SEWER REPAIR & REPLACEMENT LOCATION 30
WINDING WAY, LOS ALTOS
APPENDIX C
STANDARD NOTES AND DETAILS
STANDARD DETAIL 24
LATERLAL DISCONNECTION AT SEWER MAIN
Notes:
1. THE CONTRACTOR SHALL LOCATE AND DISCONNECT ANY INACTIVE SEWER AS SHOWN IN DETAIL 2 PRIOR TO PIPE REPLACEMENT.
2. REPLACEMENT PIPE SHALL MATCH EXISTING SEWER MAIN PIPE.
DS13130A
Mainstay
® DS-5
™
High Build Epoxy Coating
FEATURES/BENEFITS
PERMANENT FLEXIBILITY
ABRASION RESISTANT
GOOD VISIBILITY IN LOW LIGHT
SUPERIOR CHEMICAL RESISTANCE
HIGH MOISTURE CURE
SUPERIOR TOUGHNESS
PRODUCT DESCRIPTION
AINSTAY DS-5 High Build Epoxy Coating utilizes a unique, multi-component curing system that contributes to a number of superior properties: toughness, permanent flexibility, and improved chemical and temperature resistance. This system may be applied at thicknesses up to 125 mils in single or multiple applications, thereby reducing application costs. The absence of solvent reduces shrinkage, cracking, disbonding and eliminates problems related to solvent entrapment. MAINSTAY DS-5 is particularly well suited for use as a topcoat over MAINSTAY ML-72 ™ Sprayable Microsilica Restoration Mortar (see section on Application).
M
PRODUCT DATA
COMPOSITION:
100% solids, chemically modified
epoxy coating.
FINISH:
Gloss.
COLORS:
White sky blue; custom colors available upon request.
RECOMMENDED THICKNESS RANGE:
50 to 125 mils in one or two coats, depending on the application. Consult a Mainstay Technical Representative for
specific recommendations.
COVERAGE:
Approximately 16 square feet (ft
2 ) per
gallon at 100 mils; 72 ft
2 per kit at 100
mils. Allowances should be made for
waste.
PACKAGING:
4.5 gallon, two component kits standard; special packaging available.
SURFACE PREPARATION:
Steel: Apply only to clean, sound surfaces. All metal surfaces should be degreased or otherwise decontaminated prior to abrasive blast cleaning. Surfaces should be abrasive blast cleaned to a near white (NACE No. 2 or SSPC
SP 10) condition with a 2 to 4 mil anchor pattern depth.
Concrete: Prepare all surfaces by removing surface contaminants such as old coatings, adhesives, curing compounds, dirt, efflorescence, grease, and similar substances. Surface contaminants must be removed by any effective combination of detergent scrubbing, pressure washing, high pressure water blasting, abrasive blasting, grinding, and/or scarifying.
Concrete that has been contaminated
with oils, sugars, resins, or other
contaminants that cannot be readily
removed by the methods described
above may require additional surface
preparation by chemical cleaning,
steam cleaning, or other surface
treatment.
Acid etching is not recommended for
the removal of surface contaminants
prior to surface preparation or as a
method of surface preparation.
Prepare all surfaces by shotblasting or
abrasive blast cleaning to a minimum
International Concrete Repair Institute
Concrete Surface Profile #3 (ICRI CSP
#3) condition. Small areas (less than
5% of total surface area) may be prepared by surface grinding followed by needle scaling, scabbling, or scarifying
to a minimum ICRI CSP #3 condition.
Abrasive blasting should produce a
sound, slightly roughened surface free
from laitance and contaminated or degraded concrete. Generally, a finer abrasive and a greater distance from
the workpiece is employed than when
abrasive blasting steel surfaces. It is
important that the air supply and abrasive are free from harmful contaminants. All safety equipment and procedures required by the equipment manufacturer and the Operational Safety and Health Administration (OSHA) should
be followed carefully. Self-propelled,
self-contained shot blasting equipment
has been shown to produce good results on concrete floor surfaces.
When in doubt, adhesion should be
checked by the application of a test
patch.
SMOOTHING ROUGH SUBSTRATES &
FILLING VOIDS:
Rough or deteriorated concrete should
be smoothed and/or repaired using
MAINSTAY ML-72
™ or MAINSTAY
ML-72F
™ Sprayable Microsilica
Restoration Mortar – see applicable
product data sheets or contact a
Madewell Products Corporation • 7561 Industrial Court • Alpharetta, GA 30004 • 770-475-8199 • www.madewell.net Madewell®
"THE NAME SAYS IT ALL"
DS13130A
Mainstay DS-5 Ultra High Build Epoxy Coating Page 2
Madewell Technical Representative for
more information.
SMOOTHING SLIGHT SURFACE
IRREGULARITIES:
Slight surface irregularities should be
smoothed and/or repaired using
MADEWELL 1312P
™ Epoxy Putty
or MADEWELL 806
™ Sprayable
Flexible Joint Sealant & Underlayment
– see applicable product data sheets or
contact a Madewell Technical Representative for more information.
PRIMING:
Not required for steel surfaces. Existing concrete surfaces may be primed with MADEWELL 927
™ Penetrating
Epoxy Primer/Sealer. Refer to the
MADEWELL 927 product data sheet
or contact a Madewell Technical Representative for more information.
MIXING RATIO:
Mix components at a volume ratio of 2
parts A to 1 part B. Whenever possible,
avoid mixing partial kits.
MIXING:
This is a two component system. Each
component (liquids A and B) should be
at room temperature (73° F) prior to
mixing. The entire contents of each
component should be thoroughly
mixed individually before combining
separate components together. If it is
not possible to mix an entire kit, pour
pre-measured quantities of each component into a clean container and blend thoroughly using a power agitator,
such as a Jiffy
® mixer, and a high
strength industrial drill for a minimum
of 3 minutes. Do not mix more material than can be used within stated working times.
WORKING TIME:
Approximately 45 minutes at 80° F.
The working time will be extended
somewhat at lower temperatures and
shortened at higher temperatures.
THINNING:
Thinning is not recommended. Use
methyl ethyl ketone (MEK), xylene, or
a combination of the two to clean application equipment.
APPLICATION:
This product is to be applied by trained
workmen using specialized equipment.
Both components must be preheated
between 70º F and 90º F prior to application. A 56:1 airless spray pump with an air input pressure of ~90 pounds per
square inch (psi) is used to feed material through up to 50' of 3/8" diameter hose to a standard airless spray gun
with a 0.031" to 0.035" reversible tip.
It is recommended that 60 mesh in line
strainers/filters be used. Other equipment, such as whip hoses, heaters, or plural component equipment may be
employed. MAINSTAY DS-5 can also
be applied by brush or roller. Contact a
Mainstay Technical Representative for
specific application equipment recommendations.
MAINSTAY DS-5 can be applied to
MAINSTAY ML-72 within one to two
hours after the MAINSTAY ML-72
has been placed and finished (when the
MAINSTAY ML-72 has just become
firm to the touch). The unique and essentially simultaneous application of these two products is the basis for the
Mainstay Composite Liner
™. The application of these two products by this
technique should be performed by
trained workmen.Contact a Mainstay
Technical Representative for additional
information regarding specific application instructions.
CURE TIME:
Foot traffic: 24 hours at 70° F.
Immersion service: 24 hours to 3 days,
depending on temperature.
CLEAN UP:
Use MEK, xylene, or a combination of
the two to clean application equipment.
Skin should be cleaned using warm,
soapy water or commercial hand
cleaner.
DELIVERY AND STORAGE:
Check containers for damage, and verify quantities before accepting shipments. Store components in sealed containers in a dry environment at
moderate temperature conditions (40°
F to 80° F).
SHELF LIFE:
1 year, depending on storage conditions, subject to re-inspection thereafter.
SAFETY:
KEEP OUT OF REACH OF CHILDREN.
FOR INDUSTRIAL USE ONLY.
MAINSTAY DS-5 contains epoxy
resins that MAY CAUSE EYE, SKIN,
RESPIRATORY, OR NERVOUS SYSTEM SENSITIZATION. Adequate health and safety precautions should be
observed during all storage, handling,
use, and drying periods. For best results and safest usage, user is specifically directed to consult the current “Material Safety Data Sheet” for this
product. When using this product in a
confined space or closed area, consult
the current the OSHA or American National Standards Institute (ANSI) bulletins on safety requirements. Do not take internally. If swallowed, call a
physician immediately. Keep away
from open flame, and keep containers
tightly closed when not in use.
WARRANTY
All technical data, recommendations,
and services are rendered by the Seller
gratis. They are based on technical data
that the Seller believes to be reliable
and are intended for use by persons
having skill and knowledge at their discretion and risk. Seller assumes no responsibility for results obtained or damages incurred from their use by the
Buyer whether as recommended herein
or otherwise. Such recommendations,
technical advice, or services are not to
be taken as a license to operate or intended to suggest infringement of any existing patent. MADEWELL PRODUCTS CORPORATION MAKES NO
GUARANTEE OR WARRANTIES
EXCEPT AS OTHERWISE PROVIDED IN WRITING AND DISCLAIMS ANY AND ALL WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR
PURPOSE.
®
Jiffy is a registered trademark of the
Jiffy Mixer Company.
Madewell Products Corporation • 7561 Industrial Court • Alpharetta, GA 30004 • 770-475-8199 • www.madewell.net
DS16.304A
Mainstay
® ML-72
™
Sprayable Microsilica Restoration Mortar
FEATURES/BENEFITS
LOW PERMEABILITY
HIGH EARLY AND ULTIMATE STRENGTH
EASY TO USE AND FINISH
WATERPROOFS/DAMP-PROOFS
NON SHRINK/CRACK RESISTANT
HIGH FLEXURAL AND BOND STRENGTH
HIGH BUILD
RESTORES DETERIORATED SURFACES
PRODUCT DESCRIPTION
AINSTAY ML-72 is a special blend of portland cement, microsilica, thermoplastic fiber, densifiers, admixtures, and other modifiers that produces a high strength and low permeability mortar for the rehabilitation of deteriorated concrete structures. MAINSTAY ML-72 produces excellent adhesion to properly prepared existing concrete or brick surfaces. MAINSTAY ML-72 can withstand corrosive environments with a pH of 3 or higher, restores structural integrity, seals rough, deteriorated surfaces, and resists external hydrostatic water pressure. MAINSTAY ML-72 is suitable for permanent water immersion service.
M
MAINSTAY ML-72 can be used to repair floors and vertical and overhead surfaces of deteriorated concrete structures such as sewer pipes, pits, sumps, trenches, tunnels, bridges, piers, or any concrete structure that has experienced deterioration from exposure to aggressive environments. This product is available with polymer additives, MAINSTAY ML-72F. These polymer additives improve adhesion, tensile strength, and workability, especially in dry environments.
PRODUCT DATA
COMPOSITION:
A proprietary mixture of special cements, silica fume, thermoplastic fibers, and modifiers. (MAINSTAY
ML-72F contains polymer admixture.)
COLOR:
Dark gray.
YIELD:
.54 cubic feet (ft
3 ) per 65 pound (lb)
bag when mixed correctly.
COVERAGE:
Approximately 13 square feet (ft
2 ) per
bag at 1/2". Allowances should be
made for waste.
THICKNESS:
Depends on the application. 1" is generally sufficient for smoothing concrete that has experienced surface attack (exposed aggregate). Minimum thickness is usually 1/2". Consult a Mainstay
Technical Representative for specific
recommendations.
PACKAGING:
Normally stocked in 65-lb bags.
SURFACE PREPARATION:
Prepare surfaces to be repaired by Low
Pressure Water Cleaning (LP WC,
4,000 psi minimum), abrasive blasting,
hand, or power tool cleaning to remove
all unsound concrete, contaminants,
dirt, debris, and/or deteriorated reinforcing steel. Refer to the International Concrete Repair Institute (ICRI) technical guideline titled Surface Preparation Guidelines For The Repair Of Deteriorated Concrete Resulting From Reinforcing Steel Oxidation and/or
contact a Mainstay Technical Representative for information on removal techniques that are best for your application. Surfaces should have a minimum ICRI Concrete Surface Profile (CSP) #5 (preferably with aggregate
exposed) and should be inspected for
soundness prior to the application of
MAINSTAY ML-72. Saturate all surfaces thoroughly with clean water and allow to surface dry just prior to the
application of MAINSTAY ML-72.
MIXING:
Add 1.2 gallons of clean water per 65
lb bag. Mix thoroughly using a gasoline, electric, or hydraulically powered paddle-type mixer.
WORKING TIME:
Approximately 30 minutes at 80°
Fahrenheit (F). The working time will
be extended at lower temperatures and
shortened when higher.
APPLICATION:
MAINSTAY ML-72 can be applied by
low to medium velocity wet mix
shotcrete equipment (pneumatic spray)
or by hand using a trowel. Application
thicknesses up to 5" in single or multiple passes are possible depending on the amount of water added, the condition of the surfaces being treated, and jobsite conditions. A variety of piston,
systolic, and rotor/stator pumps may be
used depending on job requirements
and desired production rates. Consult a
Mainstay Technical Representative for
information regarding equipment that
is best suited for your job.
Madewell Products Corporation • 7561 Industrial Court Alpharetta, GA 30004 • 770-475-8199 • www.madewell.net
DS16.304A
Mainstay ML-72 Sprayable Microsilica Restoration Mortar Page 2 FINISHING:
MAINSTAY ML-72 can be finished
using a steel trowel, wood float,
sponge float, broom, or brush, depending on the surface texture desired. If MAINSTAY ML-72 is to be topcoated, it is recommended that the surface be finished to a smooth, somewhat grainy texture using a sponge or wood
float.
CURING:
If applicable, MAINSTAY ML-72
should be topcoated immediately after
finishing or as soon as the surface becomes firm to the touch. If not topcoated, MAINSTAY ML-72 should be kept moist with clean water for the first
72 hours after placement.
CLEAN UP:
Clean equipment and tools with clean
tap water.
DELIVERY & STORAGE:
Check containers for damage, and verify quantities before accepting shipments. Store MAINSTAY ML-72 in a cool, dry place.
SHELF LIFE:
1 year, depending on storage conditions, subject to re-inspection thereafter.
SAFETY:
KEEP OUT OF REACH OF CHILDREN.
FOR INDUSTRIAL USE ONLY.
MAINSTAY ML-72 contains portland
cement and chemicals that MAY
CAUSE EYE, SKIN, RESPIRATORY,
OR NERVOUS SYSTEM SENSITIZATION. Adequate health and safety precautions should be observed during all storage, handling, use, and drying periods. For best results and safest usage, user is specifically directed to consult
the current “Material Safety Data
Sheet” for this product. When using
this product in a confined space or
closed area, consult the current the
OSHA or American National Standards
Institute (ANSI) bulletins on safety requirements. Do not take internally. If swallowed, call a physician immediately. Keep away from open flame, and keep containers tightly closed when
not in use.
WARRANTY:
All technical data, recommendations,
and services are rendered by the Seller
gratis. They are based on technical data
that the Seller believes to be reliable
and are intended for use by persons
having skill and knowledge at their discretion and risk. Seller assumes no responsibility for results obtained or damages incurred from their use by the
Buyer whether as recommended herein
or otherwise. Such recommendations,
technical advice, or services are not to
be taken as a license to operate or intended to suggest infringement of any existing patent. MADEWELL PRODUCTS CORPORATION MAKES NO
GUARANTEE OR WARRANTIES
EXCEPT AS OTHERWISE PROVIDED IN WRITING AND DISCLAIMS ANY AND ALL WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR
PURPOSE.
Madewell Products Corporation • 7561 Industrial Court Alpharetta, GA 30004 • 770-475-8199 • www.madewell.net Compressive Strength
ASTM C-109
24 hours
28 days
3,000 psi
10,000 psi
Flexural Strength
ASTM C-293
24 hours
28 days
535 psi
1,505 psi
Tensile Strength
ASTM C-496*
24 hours
28 days
330 psi
910 psi
Freeze/Thaw
ASTM C-666
323 cycles No Visible Damage
Shrinkage
ASTM C-596
28 days
@ 90% Rh
0%
Bond Strength
ASTM C-882*
28 days 3,440 psi
Density 135 lbs/ft
2 *Uniaxial tensile bond strength should achieve a minimum of 1 Newton/mm 2 (145 psi) over a sound,
properly prepared substrate. However, bond is highly dependent on degree of surface preparation and substrate strength.
DS9118B
Mainstay
® ML-10
™
Hydraulic Cement Mortar
FEATURES/BENEFITS
FAST SETTING
VERY LOW SHRINKAGE
EASY TO USE
EASY TO FINISH
MAY BE USED UNDERWATER
WATERPROOFS/DAMP-PROOFS
PRODUCT DESCRIPTION
AINSTAY ML-10 is a fast setting blend of special cements and fillers that is used to stop leaks through cracks and holes in underground concrete and brick structures. MAINSTAY ML-10 produces excellent adhesion to properly prepared existing concrete or brick surfaces and is suitable for permanent water immersion service. MAINSTAY ML-10 can be used to repair leaks in floors and vertical and overhead surfaces of deteriorated concrete structures such as sewers, pits, sumps, trenches, tunnels, piers, or any concrete structure that is experiencing flowing, seeping, or weeping leaks.
M
PRODUCT DATA
COMPOSITION:
A proprietary mixture of special hydraulic cements and fillers.
COLOR:
Dark gray.
YIELD:
0.42 cubic feet (ft
3 ) per 50 pound (lb)
pail when mixed correctly.
PACKAGING:
Normally stocked in 50 lb pails.
SURFACE PREPARATION:
Prepare surfaces to be repaired by water blasting, abrasive blasting, hand, or power tool cleaning to remove all unsound concrete, contaminants, dirt, debris, and/or deteriorated reinforcing steel. Refer to the International Concrete Repair Institute (ICRI) technical guideline titled Surface Preparation
Guidelines For The Repair Of Deteriorated Concrete Resulting From Reinforcing Steel Oxidation and/or contact a Mainstay Technical Representative
for information on removal techniques
that are best for your application. Surfaces should have a minimum profile of 1/16" (preferably with aggregate exposed) and should be inspected for soundness prior to the application of
MAINSTAY ML-10. Saturate all surfaces thoroughly with clean water and allow to surface dry just prior to the
application of MAINSTAY ML-10.
MIXING:
Due to the fast setting characteristics of
this product, it must be mixed in small
quantities of one to two pounds at a
time. MAINSTAY ML-10 should be
mixed with just enough clean water to
form a viscous lump with the consistency of modeling clay.
APPLICATION:
MAINSTAY ML-10 can be applied by
hand in small quantities or with a
trowel. Press the mixed material
firmly into place starting at the top of
the leak, and work your way down.
Numerous small applications are typically required to completely seal large leaks. Consult a Mainstay Technical
Representative for information regarding equipment and techniques that are best suited for your job.
WORKING TIME:
Approximately 45 to 90 seconds at 77°
Fahrenheit (F). The working time will
be extended somewhat at lower temperatures and shortened at higher temperatures.
FINISHING:
MAINSTAY ML-10 can be finished
using a sponge or brush. If
MAINSTAY ML-10 is to covered with
MAINSTAY ML-72
™, (see MAINSTAY ML-72 Product Data Sheet for
details) it is recommended that the surface be given a very rough finish using a stiff-bristled brush. Be sure to remove any loose dust or particles of hardened material that may not be securely bonded prior to topcoating this product with MAINSTAY ML-72.
MAINSTAY ML-10 should not be directly topcoated with any Madewell or Mainstay polymer coating.
CURING:
If applicable, MAINSTAY ML-10
should be topcoated immediately after
finishing or as soon as the surface becomes firm to the touch. If not topcoated, MAINSTAY ML-10 should be kept moist for the first 72 hours after
placement or treated with a curing
compound to slow the evaporation of
mix water.
CLEAN UP:
Clean equipment and tools with clean
tap water.
STORAGE:
Store MAINSTAY ML-10 in a cool,
dry place.
Madewell Products Corporation • 7561 Industrial Court • Alpharetta, GA 30004 • 770-475-8199 • www.madewell.net Madewell®
"THE NAME SAYS IT ALL"
DS9118B
Mainstay ML-10 Hydraulic Cement Mortar Page 2
SHELF LIFE:
1 year, depending on storage conditions, subject to re-inspection thereafter.
SAFETY:
MAINSTAY ML-10 contains portland
cement and chemicals that MAY
CAUSE EYE OR SKIN SENSITIZATION. Adequate health and safety precautions should be observed during all storage, handling, use, and drying periods. For best results and safest usage, user is specifically directed to consult
the current “Material Safety Data
Sheet” for this product. When using
this product in a confined space or
closed area, consult the current OSHA
or ANSI bulletins on safety requirements. Do not take internally. If swallowed, call a physician immediately.
WARRANTY
All technical data, recommendations,
and services are rendered by the Seller
gratis. They are based on technical
data that the Seller believes to be reliable and are intended for use by persons having skill and knowledge at their discretion and risk. Seller assumes no responsibility for results obtained or damages incurred from their use by the Buyer whether as recommended herein or otherwise. Such recommendations, technical advice, or services are not to be taken as a license
to operate or intended to suggest infringement of any existing patent.
MADEWELL PRODUCTS CORPORATION MAKES NO GUARANTEE
OR WARRANTIES EXCEPT AS
OTHERWISE PROVIDED IN WRITING AND DISCLAIMS ANY AND
ALL WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE.
Madewell Products Corporation • 7561 Industrial Court • Alpharetta, GA 30004 • 770-475-8199 • www.madewell.net Compressive Strength
ASTM C-109
24 hours
7 days
28 days
3,500 psi
4,900 psi
5,500 psi
Tensile Strength
ASTM C-496
7 days
28 days
290 psi
575 psi
Shrinkage
ASTM C-490
28 days
@ 90% Rh
0.04%
TOWN OF LOS ALTOS HILLS December 15, 2022
Staff Report to the City Council
SUBJECT: ADOPTION OF ORDINANCE 606 ADDING CHAPTER 9 “LEAF BLOWERS” TO TITLE 5 “PUBLIC WELFARE, MORALS AND
CONDUCT” OF THE TOWN OF LOS ALTOS HILLS MUNICIPAL
CODE REGULATING THE USE OF LEAF BLOWERS; RESOLUTION
OF THE CITY COUNCIL OF THE TOWN OF LOS ALTOS HILLS TO
EDUCATE THE PUBLIC ABOUT AN ORDINANCE REGULATING
THE USE OF LEAF BLOWERS
FROM: Brad Donohue, Consultant Project Manager
APPROVED: Peter Pirnejad, City Manager
RECOMMENDATION: That the City Council:
Waive further reading and adopt Ordinance 606 adding Chapter 9 “Leaf Blowers” to Title 5 “Public Welfare, Morals and Conduct” of the Los Altos Hills Municipal Code regulating the use of leaf blowers.
BACKGROUND:
On November 17, 2022, the City Council voted 4-0-1 (Tankha absent) to introduce an ordinance regulating the use of leaf blowers in Town.
The proposed ordinance and November 17, 2022, staff report are attached for City Council review and approval.
ENVIRONMENTAL REVIEW:
This Ordinance is categorically exempt from CEQA pursuant to the general rule in 15061(b)(3) of the CEQA Guidelines that CEQA applies only to projects which have the potential for causing a significant effect on the environment. This Ordinance does not have the potential for causing a significant effect on the environment. The additions to the Municipal Code relate only to the hours and days when leaf blowers may be used, as well as the permissible noise level of leaf blowers.
FISCAL IMPACT:
There will be costs associated with the adoption of this associated with adoption of the proposed ordinance. The various costs that will be associated with the proposed leaf blower ordinance are as follows:
AGENDA ITEM #7.J
P.P.
B.D.
City Council Staff Report Page 2
Adoption of Ordinance 606 – Leaf Blower Regulations
December 15, 2022
2 • Educational materials and outreach is estimated to be $10,000 for year calendar year 2023-24.
• An annual budget amount for the first and second year when the ordinance is place is estimated to be an additional $ 7500.00 per annum.
Replacement of existing gas-powered leaf blowers and the equipping the Corporation Yard with electrical upgrades to accommodate a battery recharging station is estimated to be in the range of $65,000, ($50,000 for new battery power leaf blowers, $15,000 for electrical upgrades to Corp Yard).
ATTACHMENTS:
1. Proposed Ordinance 606
2. City Council Staff Report – November 17, 2022
Ordinance 606 Page 1
ORDINANCE 606
AN ORDINANCE OF THE TOWN OF LOS ALTOS HILLS ADDING CHAPTER 9 “LEAF BLOWERS” TO TITLE 5 “PUBLIC WELFARE, MORALS AND CONDUCT”
OF THE LOS ALTOS HILLS MUNICIPAL CODE REGULATING THE USE OF LEAF
BLOWERS
WHEREAS, the Town of Los Altos Hills (“Town”) does not presently regulate the use of leaf blowers; and
WHEREAS, the Town’s noise ordinance, codified in Title 5 Chapter 2 of the Town of Los Altos Hills Municipal Code, does not specifically regulate the noise produced by leaf blowers; and WHEREAS, noise from leaf blowers can have a significant adverse impact on the public health, safety, and general welfare of Town residents; and
WHEREAS, at a regular City Council meeting, on February 17, 2022, the City Council discussed the possibility of regulating gas-powered leaf blowers in the Town by establishing specific hours of operation and noise limits, and subsequently moved to bring this item to the Town’s Environmental Initiatives Committee (EIC) for further review; and WHEREAS, on April 28, 2022, the City Council received a recommendation from the EIC to consider adoption of an ordinance regulating leaf blowers; and WHEREAS, on August 18, 2022, the City Council received a staff report on the use of leaf blowers in the Town and heard potential options for regulating their use as well as the impacts of those options; and
WHEREAS, on August 18, 2022, after receiving comments from the public, the City Council directed staff to draft an ordinance regulating leaf blower use for consideration by Council; and WHEREAS, the City Council now finds that it is in the interest of the Town and its residents to preserve the quality of life in the Town and to protect the public health, safety, and general welfare by minimizing the noise impacts caused by all models of leaf blowers by restricting their use to certain permitted times and certain noise levels; and
WHEREAS, the City Council finds that the most effective way to reduce the noise impact caused by leaf blowers in the Town is to adopt an ordinance amending the Town’s Municipal Code prohibiting the operation of any leaf blower that exceeds a noise level in excess of sixty-five (65) dB measured at a distance of 50 feet as specified by the American National Standards Institute (ANSI) standard B175 for leaf blowers; requiring that leaf blowers may only be operated during specified days and times; and adopting enforcement measures; WHEREAS, the ordinance will go into effect on January 1, 2024 to allow the public and Town time to transition to the use of leaf blowers that would be compliant with the ordinance.
Attachment 1
Ordinance 606 Page 2
NOW, THEREFORE, the City Council of the Town of Los Altos Hills does hereby ordain as follows:
SECTION I. AMENDMENTS TO THE MUNICIPAL CODE.
Title 5 of the Los Altos Hills Municipal Code is amended to add the following Chapter:
CHAPTER 9. LEAF BLOWERS
5-9.01 Definitions
As used in this chapter:
Decibel (dB) means the unit of measurement for sound pressure level.
Leaf Blower means any gas-powered or battery-powered portable machine used to blow leaves, dirt and other debris off sidewalks, driveways, lawns or other surfaces.
Public holiday means the following holidays:
New Years Day (January 1st)
Memorial Day (the fourth Monday in May)
Independence Day (July 4th)
Labor Day (the first Monday in September)
Thanksgiving (the fourth Thursday in November)
Christmas (December 25th)
5-9.02 Permitted Days and Times for Use of Leaf Blowers No person may use or operate any leaf blower in the Town except between the hours of 8:00 a.m. to 5:30 p.m. Monday through Saturday. The use or operation of leaf blowers is not permitted at any time on Sundays and Public Holidays.
5-9.03 Noise Restriction
a. Notwithstanding Title 5, Chapter 2 of this Code, no person shall operate any leaf blower that exceeds a noise level in excess of sixty-five (65) dB measured at a distance of 50 feet as specified by the American National Standards Institute (ANSI) standard B175 for leaf blowers. This violation will need to be observed by the Town’s Code Enforcement Officer or his or her designee.
Ordinance 606 Page 3
b. All leaf blowers shall carry the manufacturer’s sticker certifying sixty-five (65) dB compliance, or in the alternative must be certified by the Planning Director or their designee.
c. No person shall make any modification to the muffler or the manufacturer’s noise suppression system of a leaf blower after certification, as defined in subsection (b). 5-9.04 Violations and Penalties
Each violation of the provisions of this chapter shall constitute a public nuisance and shall be subject to abatement as such.
SECTION II. COMPLIANCE WITH THE CALIFORNIA ENVIRONMENTAL QUALITY ACT.
The Ordinance is categorically exempt from CEQA pursuant to the general rule in 15061(b)(3) of the CEQA Guidelines that CEQA applies only to projects which have the potential for causing a significant effect on the environment. This Ordinance does not have the potential for causing a significant effect on the environment. The additions to the Municipal Code relate only to the hours and days when leaf blowers may be used, as well as the permissible noise level of leaf blowers.
SECTION III. SEVERABILITY.
If any provision of this ordinance or the application thereof to any person or circumstance is held invalid or unconstitutional the remainder of this ordinance, including the application of such part or provision to other persons or circumstances shall not be affected thereby and shall continue in full force and effect. To this end, provisions of this ordinance are severable. The City Council of the Town of Los Altos Hills hereby declares that it would have passed each section, subsection, subdivision, paragraph, sentence, clause, or phrase hereof irrespective of the fact that any one or more sections, subsections, subdivisions, paragraphs, sentences, clauses, or phrases be held unconstitutional, invalid, or unenforceable.
SECTION IV. EFFECTIVE DATE AND PUBLICATION.
This ordinance shall become effective on January 1, 2024. Within fifteen days after the passage of this ordinance, the City Clerk shall cause this ordinance or a summary thereof to be published once, with the names of those City Councilmembers voting for or against it in a newspaper of general circulation in the Town of Los Altos Hills, as required by law.
INTRODUCED: November 17, 2022
PASSED:
AYES:
Ordinance 606 Page 4
NOES:
ABSTENTIONS:
ABSENT:
BY: _________________________
George Tyson, Mayor
ATTEST:
_________________________
Deborah Padovan, City Clerk
APPROVED AS TO FORM:
_________________________
Steve Mattas, City Attorney
5199287.7
TOWN OF LOS ALTOS HILLS November 17, 2022
Staff Report to the City Council
SUBJECT: INTRODUCTION (FIRST READING) OF AN ORDINANCE ADDING CHAPTER 9 “LEAF BLOWERS” TO TITLE 5 “PUBLIC WELFARE,
MORALS AND CONDUCT” OF THE TOWN OF LOS ALTOS HILLS
MUNICIPAL CODE REGULATING THE USE OF LEAF BLOWERS;
RESOLUTION OF THE CITY COUNCIL OF THE TOWN OF LOS ALTOS
HILLS TO EDUCATE THE PUBLIC ABOUT AN ORDINANCE
REGULATING THE USE OF LEAF BLOWERS
FROM: Steve Mattas, City Attorney
Brad Donohue, Consultant Project Manager
APPROVED: Peter Pirnejad, City Manager
RECOMMENDATION:
That the City Council:
1. Introduce and waive the first reading of an ordinance adding Chapter 9 “Leaf Blowers” to Title 5 “Public Welfare, Morals and Conduct” of the Los Altos Hills Municipal Code regulating the use of leaf blowers in the Town of Los Altos Hills and direct staff to place the ordinance on the consent calendar for adoption at the next regularly scheduled meeting of the City Council.
2. Approve the attached resolution to educate the public about an ordinance regulating the use of leaf blowers and establishing the transition of town owned or operated leaf blowers and garden maintenance appliances from gas-powered to electric.
BACKGROUND:
On August 18, 2022, the City Council moved to direct staff to prepare an ordinance regulating the use of all leaf blowers in the Town of Los Altos Hills. (See Attachment 3, Meeting Minutes from August 18, Item #10 (A).
DISCUSSION:
At the February 17, 2022 regular City Council meeting, the Council discussed the possibility of regulating gas-powered leaf blowers in the Town of Los Altos Hills (“Town”) by establishing specific hours of operation and noise limits. Council moved to bring this item to the Town’s Environmental Initiatives Committee (EIC) for further review. (See Attachment #4, Feb. 17, 2022, City Council Meeting Minutes, Item # 9 (A).
Attachment 2
Staff Report Page 2
Proposed Leaf Blower Ordinance
November 17, 2022
At an EIC meeting on April 28, 2022, the EIC discussed the possible adoption of a leaf blower ordinance, specific to the use of gas-powered leaf blowers. The EIC noted that there is currently no existing leaf blower ordinance in the Town. Adjacent towns have some kind of ordinance, with some having banned the use of gas-powered leaf blowers, and other having limited the sound levels of all types of leaf blowers. The EIC discussed that many manufacturers have adopted the noise level standard of 65 dB, and most achieve this noise level with the use of mufflers. This item was brought to a vote, 5 members of the committee were in favor of a leaf blower ordinance, 2 members opposed. The motion passed, Council Liaison, Stan Mok was tasked to bring the item back to City Council (Attachment #5-EIC April 28th Meeting Minutes, Item #5 ).
At the June 16, 2022 regular City Council meeting, Council discussed the leaf blower ordinance and requested that it be agendized for the August 2022 City Council meeting. Council also requested for the City Manager to provide some testimony from Town staff on how it would impact the ability to perform landscape maintenance. (Attachment #6, June 16, 2022, City Council Meeting Minutes, Item # 8 (E).
At the August 18, 2022 regular City Council Meeting, the Council received a report prepared by staff regarding the regulation of leaf blowers. Staff investigated the potential benefits and challenges of transitioning from gas-powered appliances to quieter options, such as electric leaf blowers. Staff concluded that while the transition to electric equipment is likely to occur in the future, the equipment available at this time is not powerful enough to maintain the same level of efficiency. Furthermore, the impact of only allowing electric leaf blowers would have a negative impact to both the Town’s and residents’ maintenance operations. Council moved to direct staff to prepare leaf-blower regulations to set restrictions on noise limits, hours of operation, and enforcement. (See Attachment 3), Meeting Minutes from August 18, Item #10 (A).
When the ordinance is in place (January 2024) and violations of the proposed ordinance are observed , staff recommendation will be to send curtesy notices to the homeowners and educational material to help instruct homeowners and/or their contractors the restrictions regarding the use of gas-powered blowers. The notice will also make available to the homeowner access to staff for assistance in adherence to the Town’s use of approved leaf blowers. Staff would like to approach the public with a softer enforcement practice. With this approach, staff will be able to gauge if stiffer compliance regulations need to be instituted. If continued abuse of the ordinance takes place, staff will come back to Town Council and request and present to Town Council for approval of an administrative citation process along with approval to amend the Town’s Master Fee schedule to set financial penalties for issuing administrative citations.
ORDINANCE:
If adopted, the attached ordinance would add Chapter 9 “Leaf Blowers” to Title 5 “Public Welfare, Morals and Conduct” of the Los Altos Hills Municipal Code establishing regulations for the use of leaf blowers in the Town of Los Altos Hills to limit the hours of operation of all leaf blowers (both gas- powered and battery/electric-powered) from 8:00 a.m. to 5:30 p.m. Monday through Saturday. The use or operation of leaf blowers would not be permitted at any time on Sundays and public observed holidays as identified in Chapter 9, Section 5-9.01 of the the Los Altos Hills Municipal Code
Staff Report Page 3
Proposed Leaf Blower Ordinance
November 17, 2022
The ordinance would also limit the noise level of all leaf blowers to not exceed 65 dB at a distance of 50 feet as specified by the American National Standards Institute (ANSI) standard B175 for leaf blowers. All leaf blowers would also need to carry the manufacturer’s sticker certifying 65 dB compliance or be certified by the Public Works Director or their designee. The ordinance would prohibit any modification to the muffler or the manufacturer’s noise suppression system after certification of the leaf blower.
Each violation of the provisions of the chapter would constitute a public nuisance and would be subject to abatement as such. If adopted, the ordinance would become effective on January 1, 2024.
RESOLUTION
The attached resolution would authorize the City Manager to take steps to educate the public about the proposed ordinance regulating the use of leaf blowers in order to assist Town residents with compliance with the ordinance that would go into effect January 1, 2024.
The outreach campaign would consist of promoting the proposed leaf blower ordinance in the Town’s newsletter “Los Altos Hills Quarterly”, the City Manager’s Weekly Report, Town’s website and informational handouts when issuing building, grading and encroachment permits.
Staff also investigated recently passed legislation AB 1346, which is set to restrict the sale of gaspowered leaf blowers in California by January 1, 2024. Additionally, gas-powered leaf blowers are a significant contributor to greenhouse gas emissions. Staff wishes to avoid buying gas leaf blowers that will not be replaceable after the effective date of AB 1346, as well as take measures to reduce greenhouse gas emissions. Staff therefore recommends the City Council to consider adopting a resolution to direct staff to start the process to replace all Town-owned or operated gaspowered leaf blowers with battery and or electric powered leaf blowers upon their expiration, or by January 1, 2024.
As an additional measure to reduce greenhouse gas emissions, staff also recommends the City Council to consider adopting a resolution to direct staff to gradually eliminate all other Townowned and operated gas-powered garden maintenance appliances and replacing them with comparable battery/electric-powered alternatives as they become available and feasible to replace.
Adoption of the attached resolution would authorize the City Manager to take steps to replace all gas-powered leaf blowers owned or operated by the Town with electric leaf blowers by January 1, 2024. The Town may have some contracts involving the use of gas-powered leaf blowers where the term period of the contract exceeds the compliance date of January 1, 2024. Staff recommend that the City Council authorize such contracts to exceed the January 1, 2024 compliance deadline until the completion of the contract term, with the understanding that any renewal of such contract must comply with the resolution by authorizing the use of electric leaf blowers.
Staff Report Page 4
Proposed Leaf Blower Ordinance
November 17, 2022
ENVIRONMENTAL REVIEW:
This Ordinance is categorically exempt from CEQA pursuant to the general rule in 15061(b)(3) of the CEQA Guidelines that CEQA applies only to projects which have the potential for causing a significant effect on the environment. This Ordinance does not have the potential for causing a significant effect on the environment. The additions to the Municipal Code relate only to the hours and days when leaf blowers may be used, as well as the permissible noise level of leaf blowers.
FISCAL IMPACT:
There will be costs associated with the adoption of the proposed ordinance and resolution. The various costs are as follows:
• Educational materials and outreach are estimated to be $10,000 for calendar year 2023-24, • An annual budget amount for the first and second year when the ordinance is in place is estimated to be an additional $7,500 per annum.
• Replacement of existing gas-powered leaf blowers and the equipping the Corporation Yard with electrical upgrades to accommodate a battery recharging station is estimated to be in the range of $65,000 ($50,000 for new battery power leaf blowers, $15,000 for electrical upgrades to Corp Yard).
• Additional contract escalations for requiring that all town landscapers and contractors comply with the proposed ordinance is not clear but may have an incremental increase in cost.
ATTACHMENTS
1. Ordinance of the Town of Los Altos Hills Adding Chapter 9 “Leaf Blowers” to Title 5 “Public Welfare, Morals and Conduct” of the Los Altos Hills Municipal Code Regulating the Use of Leaf Blowers
2. Resolution of the City Council of the Town of Los Altos Hills to Educate the Public About an Ordinance Regulating the Use of Leaf Blowers
3. City Council Regular Meeting Minutes, August 18, 2022
4. Feb. 17, 2022, City Council Meeting Minutes,
5. EIC April 28th Meeting Minutes,
6. June 16, 2022, City Council Meeting Minutes
5199288.9
ORDINANCE ___
AN ORDINANCE OF THE TOWN OF LOS ALTOS HILLS ADDING CHAPTER 9 “LEAF BLOWERS” TO TITLE 5 “PUBLIC WELFARE, MORALS AND CONDUCT”
OF THE LOS ALTOS HILLS MUNICIPAL CODE REGULATING THE USE OF LEAF
BLOWERS
WHEREAS, the Town of Los Altos Hills (“Town”) does not presently regulate the use of leaf blowers; and
WHEREAS, the Town’s noise ordinance, codified in Title 5 Chapter 9 of the Town of Los Altos Hills Municipal Code, does not specifically regulate the noise produced by leaf blowers; and WHEREAS, noise from leaf blowers can have a significant adverse impact on the public health, safety, and general welfare of Town residents; and
WHEREAS, at a regular City Council meeting, on February 17, 2022, the City Council discussed the possibility of regulating gas-powered leaf blowers in the Town by establishing specific hours of operation and noise limits, and subsequently moved to bring this item to the Town’s Environmental Initiatives Committee (EIC) for further review; and WHEREAS, on April 28, 2022, the City Council received a recommendation from the EIC to consider adoption of an ordinance regulating leaf blowers; and WHEREAS, on August 18, 2022, the City Council received a staff report on the use of leaf blowers in the Town and heard potential options for regulating their use as well as the impacts of those options; and
WHEREAS, on August 18, 2022, after receiving comments from the public, the City Council directed staff to draft an ordinance regulating leaf blower use for consideration by Council; and WHEREAS, the City Council now finds that it is in the interest of the Town and its residents to preserve the quality of life in the Town and to protect the public health, safety, and general welfare by minimizing the noise impacts caused by all models of leaf blowers by restricting their use to certain permitted times and certain noise levels; and
WHEREAS, the City Council finds that the most effective way to reduce the noise impact caused by leaf blowers in the Town is to adopt an ordinance amending the Town’s Municipal Code prohibiting the operation of any leaf blower that exceeds a noise level in excess of sixty-five (65) dB measured at a distance of 50 feet as specified by the American National Standards Institute (ANSI) standard B175 for leaf blowers; requiring that leaf blowers may only be operated during specified days and times; and adopting enforcement measures; and WHEREAS, the ordinance will go into effect on January 1, 2024 to allow the public and Town time to transition to the use of leaf blowers that would be compliant with the ordinance.
Attachment 1
NOW, THEREFORE, the City Council of the Town of Los Altos Hills does hereby ordain as follows:
SECTION I. AMENDMENTS TO THE MUNICIPAL CODE.
Title 5 of the Los Altos Hills Municipal Code is amended to add the following Chapter:
CHAPTER 9. LEAF BLOWERS
5-9.01 Definitions
As used in this chapter:
Decibel (dB) means the unit of measurement for sound pressure level.
Leaf Blower means any gas-powered or battery-powered portable machine used to blow leaves, dirt and other debris off sidewalks, driveways, lawns or other surfaces.
Public holiday means the following holidays:
New Years Day (January 1st)
Memorial Day (the fourth Monday in May)
Independence Day (July 4th)
Labor Day (the first Monday in September)
Thanksgiving (the fourth Thursday in November)
Christmas (December 25th)
5-9.02 Permitted Days and Times for Use of Leaf Blowers No person may use or operate any leaf blower in the Town except between the hours of 8:00 a.m. to 5:30 p.m. Monday through Saturday. The use or operation of leaf blowers is not permitted at any time on Sundays and Public Holidays.
5-9.03 Noise Restriction
a. Notwithstanding Title 5, Chapter 2 of this Code, no person shall operate any leaf blower that exceeds a noise level in excess of sixty-five (65) dB measured at a distance of 50 feet as specified by the American National Standards Institute (ANSI) standard B175 for leaf blowers. This violation will need to be observed by the Town’s Code Enforcement Officer or his or her designee.
b. All leaf blowers shall carry the manufacturer’s sticker certifying sixty-five (65) dB compliance, or in the alternative must be certified by the Planning Director or their designee.
c. No person shall make any modification to the muffler or the manufacturer’s noise suppression system of a leaf blower after certification, as defined in subsection (b). 5-9.04 Violations and Penalties
Each violation of the provisions of this chapter shall constitute a public nuisance and shall be subject to abatement as such.
SECTION II. COMPLIANCE WITH THE CALIFORNIA ENVIRONMENTAL QUALITY ACT.
The Ordinance is categorically exempt from CEQA pursuant to the general rule in 15061(b)(3) of the CEQA Guidelines that CEQA applies only to projects which have the potential for causing a significant effect on the environment. This Ordinance does not have the potential for causing a significant effect on the environment. The additions to the Municipal Code relate only to the hours and days when leaf blowers may be used, as well as the permissible noise level of leaf blowers.
SECTION III. SEVERABILITY.
If any provision of this ordinance or the application thereof to any person or circumstance is held invalid or unconstitutional the remainder of this ordinance, including the application of such part or provision to other persons or circumstances shall not be affected thereby and shall continue in full force and effect. To this end, provisions of this ordinance are severable. The City Council of the Town of Los Altos Hills hereby declares that it would have passed each section, subsection, subdivision, paragraph, sentence, clause, or phrase hereof irrespective of the fact that any one or more sections, subsections, subdivisions, paragraphs, sentences, clauses, or phrases be held unconstitutional, invalid, or unenforceable.
SECTION IV. EFFECTIVE DATE AND PUBLICATION.
This ordinance shall become effective on January 1, 2024. Within fifteen days after the passage of this ordinance, the City Clerk shall cause this ordinance or a summary thereof to be published once, with the names of those City Councilmembers voting for or against it in a newspaper of general circulation in the Town of Los Altos Hills, as required by law.
INTRODUCED:
PASSED:
AYES:
NOES:
ABSTENTIONS:
ABSENT:
BY: _________________________
George K. Tyson, Mayor
ATTEST:
_________________________
City Clerk
APPROVED AS TO FORM:
_________________________
City Attorney
5199287.7
RESOLUTION _____
A RESOLUTION OF THE CITY COUNCIL OF THE
TOWN OF LOS ALTOS HILLS TO EDUCATE THE PUBLIC ABOUT AN
ORDINANCE REGULATING THE USE OF LEAF BLOWERS
WHEREAS, at a regular City Council meeting on November 15, 2022 the Town of Los Altos Hills (“Town”) adopted an ordinance adding Chapter 9 “Leaf Blowers” to Title 5 of the Town’s Municipal Code to prohibit the operation of any leaf blower that exceeds a noise level in excess of sixty-five (65) dB measured at a distance of 50 feet as specified by the American National Standards Institute (ANSI) standard B175 for leaf blowers, requiring that leaf blowers may only be operated during specified days and times, and adopting enforcement measures; and WHEREAS, the ordinance will go into effect on January 1, 2024 to allow the public and Town time to transition to the use of compliant leaf blowers; and WHEREAS, leaf blowers can have a significant adverse impact on the public health, safety, and general welfare of Town residents; and
WHEREAS, it is in the interest of the Town and its residents to preserve the quality of life in the Town and to protect the public health, safety, and general welfare by minimizing the noise impacts caused by all models of leaf blowers by restricting their use to certain permitted times and certain noise levels; and
WHEREAS, education of the public is important to prepare the public for the effective date of January 1, 2024 of Ordinance 606 regulating the use of leaf blowers; and WHEREAS, the City Manager is hereby authorized to take steps to replace all gas-powered leaf blowers owned or operated by the Town with electric leaf blowers by January 1, 2024; and WHEREAS, the Town may have some contracts involving the use of gas-powered leaf blowers where the term period of the contract exceeds the compliance date of January 1, 2024; and WHEREAS, the City Council authorize such contracts to exceed the January 1, 2024 compliance deadline until the completion of the contract term, with the understanding that any renewal of such contract must comply with the resolution by authorizing the use of electric leaf blowers; and WHEREAS, the City Council desires to direct Town staff to educate the public about Ordinance 606 regulating the use of leaf blowers, which goes into effect January 1, 2024.
NOW, THEREFORE, the City Council of the Town of Los Altos Hills does RESOLVE as follows:
1. The above recitals are true and correct and hereby incorporated into this Resolution.
Attachment 2
2. The City Manager is authorized to educate the public on the new regulations related to the use of leaf blowers as set forth in Ordinance 606, prior to its effective date of January 1, 2024.
3. The City Manager is authorized to take any related action reasonably necessary to carry out the intent of this Resolution.
4. This Resolution shall take effect immediately upon its passage.
The above and foregoing Resolution was passed and adopted by the City Council of the Town of Los Altos Hills at a regular meeting held on 17th of November 2022 by the following vote:
AYES:
NOES:
ABSENT:
RECUSE:
ABSTAIN:
By:
George Tyson, Mayor
ATTEST:
Deborah L. Padovan, City Clerk
5231681.3
1 City Council Regular Meeting Minutes
August 18, 2022
CALL TO ORDER (6:00 P.M.)
A. Roll Call
B. Pledge of Allegiance
Via teleconference according to the Governor’s Executive Order N-29-20, Mayor Tyson called the hybrid City Council Regular Meeting to order at 6:04 p.m.
Present: Mayor George Tyson, Vice Mayor Linda Swan, Councilmember Stanley Q.
Mok, Councilmember Lisa Schmidt, Councilmember Kavita Tankha
Absent: None
Staff: City Manager Peter Pirnejad, City Attorney Steve Mattas, Planning and Building Director Sofia Mangalam, Public Works Director Oscar Antillon, Administrative Services Director Sarina Revillar, Assistant Planner Areli Perez, Management Analyst II Cody Einfalt, City Clerk Deborah Padovan
1. AGENDA REVIEW
There were no changes to the agenda. Mayor Tyson also stated that there was no reportable action resulting from the closed session.
2. PRESENTATIONS AND APPOINTMENTS
A. Reappointment to the Los Altos Hills Environmental Design and Protection Committee.
City Clerk Padovan presented the application of Vijay Chawla.
MOTION MADE AND SECONDED: Councilmember Tankha moved to appoint Vijay Chawla to the Los Altos Environmental Design and Protection Committee for a second four-year term. The motion was seconded by Councilmember Schmidt.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
Town of Los Altos Hills
City Council Regular Meeting Minutes
Thursday, August 18, 2022 – 6:00 p.m.
Council Chambers, 26379 Fremont Road, Los Altos Hills, California Attachment 3
2 City Council Regular Meeting Minutes
August 18, 2022
ABSENT: None
B. Appointment to the Los Altos Hills History Committee City Clerk Padovan presented the application of Bernado Ferrari.
Mr. Ferrari introduced himself to the Council.
MOTION MADE AND SECONDED: Mayor Tyson moved to appoint Bernado Ferrari to the Los Altos Hills History Committee for a four-year term. The motion was seconded by Vice Mayor Swan.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
C. Appointment to the Los Altos Hills Pathways Committee City Clerk Padovan presented the two applications.
Jennifer Basiji introduced herself to the City Council and withdrew her application to the committee as she will not be available to serve.
Joe Mitchell, Los Altos Hills, introduced himself to the City Council and expressed interest in serving on the committee.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to appoint Joe Mitchell to the Los Altos Hills Pathways Committee for a four-year term. The motion was seconded by Councilmember Tankha.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
D. Mid-Year Status Update on 2022 Council Strategic Goals City Manager Peter Pirnejad presented a review of the 2022 work plan and provided a status update on the items that were listed on the plan. He also provided a progress report on Council projects not on the 2022 priority workplan. The report was
3 City Council Regular Meeting Minutes
August 18, 2022
received, and no action was taken.
E. Planning Commission’s Ad Hoc Committee’s Presentation on SCCFD Driveway Requirements Relating to ADU and Lot-Split Development by Planning Commission Chair Jim Waschura
Planning Commission Chair Jim Waschura presented the subcommittee’s report on the fire department requirements for new construction. The subcommittee had the following recommendations:
• Ask SCCFD to have a fast-track process for urgent changes that is separate from the normal 2-year revision cycle.
• Ask SCCFD to make available online updated documents with objective criteria. • Ask SCCFD to have a fast-track process for urgent changes that is separate from the normal 2-year revision cycle.
• Ask Staff to communicate the requirements for SCCFD plan approval during the pre-application stage to avoid surprises.
• Ensure SCCFD approval happens before site development approval. This will avoid creating conflicts between LAH and SCCFD approvals.
• For Ministerial projects that don’t have a site-development phase, route plans to SCCFD upon receipt, and don’t grant building permits until SCCFD approval is completed.
• Ask SCCFD to be proactive in responding to SB9 legislation. Work with other municipalities with similar concerns to raise the priority of this issue with SCCFD.
Council discussion ensued.
Brad Fox, Assistant Fire Marshal, Santa Clara County Fire Department, was in attendance and responded to questions from the Council.
Hector Estrada, Fire Marshal, Santa Clara County Fire Department, was in attendance and responded to questions from the Council.
Public Comment
Breene Kerr, Los Altos Hills, said Sherlock Road will never be 20 feet wide as it is not physically possible to engineer a project like that. There are six homes on that road that were approved, built with permits and if those homes become uninhabitable, there will have been a public taking and litigation may ensue. He said the City Council has delegated veto power to the Fire Department, and they can take that back.
A clear set of allowable mitigating factors is needed.
Rajiv Bhateja, Los Altos Hills, said his home is subject to this issue. He expressed concerns about buyers needing to be notified that they may not be able to rebuild, you just penalized the current owners. He would like to see a flexible solution.
4 City Council Regular Meeting Minutes
August 18, 2022
Jitze Couperus, Los Altos Hills, thanked the Fire Department for attending. He said driveway widths are different for other local cities, but not Los Altos Hills. He talked about the standards the Fire Department uses. He requested further communication from the Fire Department.
Further discussion ensued. No action was taken.
Councilmember Tankha requested that the Fire Marshal return in two months to see how we are doing with this issue. There was no commitment from the Fire Department to return.
F. Presentation by the Santa Clara County Office of the Sheriff on the Differences Between a Motorcycle and a Patrol Vehicle
Sheriff Captain Rich Urena provided information on the difference between a motor unit deputy and a motorcycle unit deputy. He provided some options:
• Option 1: Continue to fund a motor deputy and focus on traffic matters and complaints
• Option 2: Continue to have a traffic deputy, but instead of a motorcycle, use a motor vehicle.
• Option 3: Discontinue the use of a traffic deputy and replace that with a patrol deputy.
The Council asked questions of Captain Urena and received his responses.
Kjell Karlsson, Los Altos Hills, thanked the captain for explaining the difference between the two units. He said that Option 3 was best - to discontinue the use of a traffic deputy and replace it with a patrol deputy.
Council discussion ensued.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to ask Captain Urena to institute Option 2 - continue to have a traffic deputy, but instead of a motorcycle, use a motor vehicle. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
The Council recessed at 7:48 p.m.
The Council reconvened to open session at 7:56 p.m.
5 City Council Regular Meeting Minutes
August 18, 2022
3. PRESENTATIONS FROM THE FLOOR
Rajiv Bhateja, Los Altos Hills, provided an update on the activities of the Technology Committee. He said that the committee passed a motion proposing some speed alert systems in town. They also passed a second motion for gas shut-off valves.
Dru Anderson, Los Altos Hills, reported that her neighborhood (LAHE005) the Saddle Mountain neighborhood received Firewise certification. The Firewise program is a grassroot neighborhood wildfire preparedness program developed by the NFPA National Fire Protection Association.
J. Logan, General Manager, Los Altos Hills County Fire District, congratulated Dru and her team members. The Fire District completed the criteria to become a nationally recognized Firewise USA program participant.
Allan Epstein, Los Altos Hills, reported on the FIC on excessive building fees. The committee recommends further study and requests to calculate the Building Department revenue used in his study in conformity with the matrix study methods and calculate related costs after considering corrections noted by the City Manager. The corrections include compensating for the timing differences between recording the revenue and incurring the cost and then present to FIC.
4. CONSENT CALENDAR
Public Comment
Allan Epstein, Los Altos Hills, spoke on item 4.N, regarding the procurement process. He stated that the town has not met the legal procurement requirements for this project.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to approve the Consent Calendar. The motion was seconded by Councilmember Tankha.
MOTION PASSED 5-0:
AYES: Tankha, Tyson, Mok, Schmidt, Swan
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
A. Approval of Regular City Council Meeting Minutes – June 16, 2022 B. Approval of Joint City Council/Planning Commission Special Meeting – June 20, 2022
C. Approval of Special City Council Meeting Minutes – July 18, 2022
6 City Council Regular Meeting Minutes
August 18, 2022
D. Review of Disbursements for July 1-31, 2022 $1,679,756.87 E. Motion to Re-Authorize Remote Teleconference Meetings of the Town of Los Altos Hills, Including the Planning Commission and Committees, due to the Imminent Risks to the Health and Safety of Attendees and Making Related Findings Pursuant to AB 361 (Staff: S. Mattas)
F. Request by the Los Altos Hills History Committee for approval to hold the Committee’s Fall Annual Presentation the “Tales of Former Mayors” and to Advertise the Presentation (History Committee)
G. Receive Quarterly Investment Portfolio Report Quarter Ending June 30, 2022 (Staff:
S. Revillar)
H. Resolution 70-22 Authorizing the City Manager to Execute Standing Purchase Orders for Fiscal Year 2022-23 in an amount not to exceed $6,949,991 (Staff: S.
Revillar)
I. Resolution 71-22 Approving Changes to Job Description for Management Analyst II, Creating a Job Description for an Assistant to the City Manager, Reclass the Senior Community Services Supervisor to Community Services Manager, Create a Job Description for Deputy Building Official/Plan Examiner and Resolution 72-22 Approving Amending the Employee Classification and the Salary Schedule (Staff: S.
Revillar)
J. Resolution 73-22 of the Town to Abide by the California Disaster and Civil Defense Master Mutual Aid Agreement, and Resolution 74-22 Clarifying Workers’ Compensation Benefits for Registered Disaster Service Worker Volunteers (Staff: C.
Einfalt)
K. Resolution 75-22 Awarding a Contract for the 2022 Pavement Rehabilitation and Drainage Improvement Project (Staff: O. Antillon)
L. Resolution 76-22 Awarding a Contract for Design and Permitting Services for the Summerhill Pathway Project (Staff: O. Antillon)
M.Resolution 77-22 Approving the Designation of System Low Carbon Fuel Standard (LCFS) Credits to Power Flex (Staff: O. Antillon)
N. Resolution 78-22 Awarding a Contract for the Corporation Yard Site Improvements Project (Staff: O. Antillon)
O. Notification of Fast Track Approval; 26880 Ortega Drive – File #SD22-0006 – Lands of Rajwar Family Trust - Site Development Permit for a 1,866 square-foot addition, which includes a new 789 square-foot lower floor, to an existing single-story
7 City Council Regular Meeting Minutes
August 18, 2022
residence and new patios and walkways. CEQA review: Categorical Exemption per Section 15303(e) (Staff: J. Loh). Appeal Deadline: Tuesday, August 23, 2022, at 5:00 p.m.
Item 6 was heard next:
6. PUBLIC HEARINGS
► City Council Ex Parte Contacts Policy Disclosure
A. Approval of a Tentative Map to create a two-lot subdivision of an existing 2.20 gross acre parcel (APN 182-028-026. Proposed new Parcel A would be 1.010 acres and the proposed new Parcel B would be 1.073 acres (Staff: S. Mangalam)
Mayor Tyson had no contacts but has walked the property. Councilmember Mok spoke to Allan Epstein and Kjell Karlsson. There were no other ex parte communications.
Mayor Tyson opened the Public Hearing.
Assistant Planner Areli Perez presented the staff report.
The Council asked questions. Areli Perez and Planning and Building Director Sofia Mangalam addressed them.
Council discussion ensued.
Carlos (Gustavo) Auqui, Applicant, presented his request to the City Council.
Public Comment
Michael Milani, Milani and Associates, Civil Engineer on the project, said there are a number of objective standards that have been applied to the project. They are in agreement with the conditions of approval. The intersection meets objective standards by the state of California.
Kit Gordon, Los Altos Hills, is encouraged that all driveways go onto Altamont and not Page Mill Road. The study may not convey the dangers of Page Mill Road.
Waidy Lee, Los Altos Hills, said she shares a fence with the subject property. She expressed concerns about the driveway coming out on Page Mill Road. The traffic study should come forward for Council review prior to the map approval.
John Lewis, Los Altos Hills, said the only responsible decision is to accept option 3 as the traffic study has not been completed yet. It may not be possible to make the driveway entrance off of Page Mill safe.
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Mayor Tyson closed the Public Hearing.
Council discussion ensued.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to deny the subdivision application without prejudice and allow the applicant to re-file; direct the applicant to refile the application with a Traffic Safety Study prepared, for Planning Commission review; and any application fees for re-filing to be waived for the applicant. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
5. ONGOING BUSINESS
A. Receive a Report on the Findings for the Community Facilities Needs Assessment and Provide Direction on Town Hall Addition/Community Space (Staff: S.
Robustelli)
Community Services Supervisor Sarah Robustelli presented the staff report.
Ryan Mottau, MIG, Inc., Berkeley, and Kevin Lyons, Chief Scientist, Governance Sciences Group, each presented the reports on the survey results.
Council discussion ensued.
Public Comment
Allan Epstein, Los Altos Hills, complimented the staff on surveying the public and hearing all voices. With regard to the public space, the survey results are statistically accurate. Regarding the town staff needs, he doesn’t believe the report identifies the needs or the needs over a period of time: what the space will be used for, who will use it and how will it grow over time. The needs need to be established.
Council discussion continued.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to continue the meeting past 10 p.m. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
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NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
Brene Kerr, Los Altos Hills, said that the public is greeted outdoors lately. There must have been some of the public spaces taken over by the staff. He hopes the town will provide a more welcoming place for the residents. The tables outside do not feel very permanent. It is worth taking a look at.
Council discussion continued.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to direct staff to look at ways to expand Town Hall that incorporate the ideas set forth in the report put together by staff based on FlashVote and MIG reviews that we assume we need more room for staff and that we include community involvement in the design as well. The motion was seconded by Mayor Tyson.
MOTION FAILED 2-3:
AYES: Tyson, Schmidt
NOES: Mok, Swan, Tankha
ABSTAIN: None
RECUSE: None
ABSENT: None
MOTION MADE AND SECONDED: Councilmember Tankha moved to direct staff to return to Council with projections for the next 10 years in terms of staffing needs, any additional space for staffing, and how that space would be used. The motion was seconded by Councilmember Mok.
Council discussion continued.
MOTION PASSED 4-1:
AYES: Tyson, Swan, Mok, Tankha
NOES: Schmidt
ABSTAIN: None
RECUSE: None
ABSENT: None
The Council recessed at 10:11 p.m.
The Council reconvened to Open Session at 10:18 p.m.
B. Resolution 79-22 to Authorize the City Manager to Submit Payment to the Santa Clara County Office of the Sheriff for Additional Law Enforcement Services Received during FY 21-22 totaling $32,197 (Staff: C. Einfalt)
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Management Analyst Cody Einfalt presented the staff report.
Council discussion ensued.
Public Comment
Anand Ranganathan, Los Altos Hills, said there is no accountability the Sheriff’s Department. The Sheriff’s Department should give a report every month reflecting which deputies were in town, what days, and what they were doing. All we get from the Sheriff’s Department is the monthly bill. The town needs to demand more accountability.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to approve Resolution 79-22 to Authorize the City Manager to Submit Payment to the Santa Clara County Office of the Sheriff for Additional Law Enforcement Services Received during FY 21-22 totaling $32,197. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
C. Update to Council Appointments to Committees and Outside Agencies 2022 (Staff:
D. Padovan)
City Clerk Padovan presented the update of the Council appointments.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to accept the updated schedule of Council Appointments to Committees and Outside Agencies 2022. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
7. NEW BUSINESS
A. Introduction of Ordinance 602 (First Reading) of the City Council of the Town of Los Altos Hills Authorizing an Amendment to the Contract Between the Town and the Board of Administration of the California Public Employees’ Retirement System
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and Resolution 80-22 of Intention to Approve an Amendment to Contract Between the Board of Administration California Public Employees’ Retirement System and the City Council of the Town of Los Altos Hills (Staff: S. Revillar)
Administrative Services Director Sarina Revillar presented the staff report.
Council discussion ensued.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to waive reading and introduce Ordinance 602 (First Reading) of the City Council of the Town of Los Altos Hills Authorizing an Amendment to the Contract Between the Town and the Board of Administration of the California Public Employees’ Retirement System and Resolution 80-22 of Intention to Approve an Amendment to Contract Between the Board of Administration California Public Employees’ Retirement System and the City Council of the Town of Los Altos Hills. The motion was seconded by Councilmember Tankha.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
8. STAFF REPORTS
A. City Attorney -No report.
B. City Clerk
City Clerk Padovan reported on the volunteer dinner scheduled for September 7th. A special City Council meeting is scheduled for Friday, August 19th to discuss the outcome of the nomination period for the November City Council election. Staff is working with a consultant to come up with streamlined guidelines for agenda, minutes, and training. She is planning to bring a proposal back to the City Council in quarter 4 to determine how to preserve the records that are stored at the Corp Yard.
C. Planning Director
The State mandated Public Review Draft of the 6th Cycle Housing Plan 2023 – 2031 Housing Element (draft) for the Town of Los Altos Hills is available online for public review and comment. We have sent emails via listserv, social media messaging, and advertising in the Town Crier and Daily Post.
The community can provide comments via email, online feedback form, or in person during counter hours. Staff will also be available on August 22nd and 29th between 5
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pm and 7 pm to assist residents with reviewing the draft and providing comments. So far, we have received three public comments via email.
Keeping in mind the water supply challenges due to the drought, a condition of approval stating that “all required plantings shown on the plans shall be installed during the winter months between October and March” has been added to recently approved Site Development Permits for landscape screening. In addition, staff will send request letters to homeowners who recently got their landscaping projects approved to defer the planting of trees and shrubs to the winter months.
Dan Edds, consultant for the building permit fee study, will be presenting his findings to the City Council in the October meeting. He also made a presentation to the FIC on August 8th.
D. Administrative Services Director
Administrative Services Director Sarina Revillar reported that staff created an internship program this summer. Three interns were hired in the areas of City Manager, Administrative Services, and Community Services. Some of the following projects included:
1. Research and recommendation regarding an EOC.
2. Research and draft financial policy.
3. Research and draft tabling policy.
4. Learned about the sewer system and shadowed the Engineering staff.
Jonathan Reichental will present the IT Master Plan at the September City Council meeting.
E. Public Works Director
Public Works Director Oscar Antillon reported on the following:
Pathways update
Public Works continues to define the list for the next ten segments. There are lots of opportunities to improve many paths in which the town already has the easements, but the path has not been improved due to lack of resources.
Matadero Creek
On August 10th the San Francisco Bay Regional Water Quality Control board (Water Board) responded to our letter from July 19th. In the latter the Executive Officer said that the quality certification for the project will be issued once the town completed and submitted the mitigation and monitoring plan for the project. We expect a draft to be completed by the end of August.
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Personnel
We expect the newest member of our maintenance team, Walter Fiallos, to start work on Monday, August 22, 2022. We have selected our new assistant engineer, currently going through the pre-hiring process.
Prop 68 and Town Hall
Both projects are waiting for building permits.
East Sunset
Complete and great job by our associate engineer John Chau managing a difficult contract, but the project was completed on schedule and on budget. 4 Additional EV Chargers.
Thanks to staff engineers Daniel Liang and Melissa Elian-Carrillo for their efforts working on the project and coordinating with the EIC to procure the new chargers.
Once the chargers are installed, we welcome the community to use them.
Procurement Process update
We follow our procurement procedures, basically construction projects under $200,000 can be done with informal bid procedures, as part of that the town needs the list of contractors we use.
F. City Manager
City Manager Peter Pirenjad reported on the following:
Drought Planning
• Water Conservation Meeting
Staff hosted a meeting with Cal Water Service and Purissima Water District to discuss ways in which the town can help residents conserve water
• QWEL Program
Staff is working with the Bay Area Water Supply & Conservation Agency (BAWSCA) and the California Water Efficiency Partnership (CalWEP) to put together a proposal on bringing the Qualified Water Efficient Landscaper (QWEL) program to Los Altos Hills.
Emergency Management
• Disaster Council Meeting
The Los Altos Hills Disaster Council held its first meeting since the pandemic. Attendees included the Director of Emergency Services, Peter Pirnejad: City Manager, Mayor of Los Altos Hills: George Tyson, Management Analyst: Cody Einfalt, and Emergency Management Consultant:
Ann Hepenstal. At least one annual meeting of the Disaster Council is required to remain in compliance with state regulations.
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• Santa Clara County Emergency Preparedness Fair
Mark your calendar for Saturday, September 10th and visit the county’s Emergency Preparedness Fair in San Martin from 9:00 am to 1:00 pm.
• Emergency Communication Meeting with the Fire Department In response to the few fire incidents over the past few weeks, town management staff held a meeting with the Fire Department (Brian Glass) to understand how they can establish better communication during these events.
Town staff has assembled an efficient Public Information Officer (PIO) team that oversees outgoing messages from the town.
Please continue to use Watch Duty and Pulse Point to get the latest updates on town emergencies.
GreenWaste
July 23, 2022 GreenWaste Neighborhood Clean-up event
GreenWaste hosted the Neighborhood Clean-Up Event at Foothill College. A total of 612 cars utilized the drop-off service totaling 68.34 tons collected.
LAFCO Fire Service Review Meeting
Santa Clara LAFCO resumed their Technical Advisory Committee and held a meeting on the Countywide Fire Service Review. A replacement consultant has been chosen to pick up the work that has already been started, and an updated timeline in available on LAFCOs website.
Community Services
The Fall/Winter Activity Guide is at the printer and will be mailed by the end of the month. In the guide you will find community events, activities, and resources.
Upcoming Events:
On Saturday, August 20th the 4th Adult Softball Game taking place from 1-3 pm at Purisimma Park. Come out and cheer for your home team and watch LAH take home the trophy!
Mark your calendar for the Los Altos Hills Hoedown Saturday, September 10th from 4-7 pm at Westwind Community Barn. The event will include Equestrian Expo, Live Music, Line Dance Caller, Capelo’s BBQ, and arts and crafts. See you there!
Want to stay informed? Sign up on the Town’s website for the City Manager’s Weekly Report.
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9. REPORTS FROM COMMITTEES, SUB-COMMITTEES, AND
COUNCILMEMBERS ON OUTSIDE AGENCIES
A. Report by the Undergrounding Subcommittee (Mayor Tyson)
Mayor Tyson reported that PG&E has provided a contact person and Public Works Director Oscar Antillon has been in touch with them.. No action was taken.
B. Report from the Council Ad Hoc Committee on Community Surveys (Mayor Tyson/Councilmember Schmidt)
Councilmember Schmidt said the committee’s work has concluded.
C. Report from the Council Town Hall Ad Hoc Committee (Mayor Tyson/Councilmember Schmidt)
Councilmember Schmidt said the committee’s work has concluded.
D. Report from the Council Ad Hoc Committee Focusing on Broadband (Councilmembers Mok and Tankha)
Councilmember Mok said the committee has met twice, once with Comcast and once with AT&T. They hope to have a report at the next City Council meeting.
E. Status Reports from All Councilmembers on Subcommittee and Outside Agencies Activities
Vice Mayor Swan reported that the TEDx committee set a date for January 28, 2023.
The title of the program is The Power of Creativity and Innovation in Silicon Valley.
The guest list is limited to 100, so sign up right away when the invitations are sent.
Mayor Tyson encouraged council liaisons to encourage their committees to work through the liaison for presenting at Council meetings. There were a couple of committee reports made during public comment this evening. Additionally, Council Initiated items are generally new ideas that are not in the work plan. He encouraged Councilmembers to discuss topics with the City Manager in advance to see what type of background work needs to be done.
10. COUNCIL INITIATED ITEMS
A. Request by the Environmental Initiatives Committee for Consideration to Direct Staff to Prepare Leaf Blower Regulations (Councilmember Mok)
Councilmember Mok presented the item.
Council discussion ensued.
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Chris Schiebl, Los Altos Hills, is asking for a leaf-blower ordinance. Not trying to ban gas powered leaf blowers, but sensible hours and noise ordinance.
Anand Ranganathan, Los Altos Hills, clarified the enforcement piece. The EIC discussion centered on the enforcement - it should be a civil defense using code enforcement. We should not be involving law enforcement in the enforcement of the matter.
MOTION MADE AND SECONDED: Councilmember Mok moved to direct staff to prepare leaf-blower regulations for noise and hours of operation and to not use the Sheriff for enforcement, but a compliance officer. The first offense would be a warning, the second warning would be a set fine, and third would be an infraction.
The motion was seconded by Councilmember Tankha.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
B. Request for Consideration to Offering a Lifetime Volunteer Award to Qualified Individuals (Vice Mayor Swan)
Vice Mayor Swan presented the request.
Council discussion ensued.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to create an ad hoc committee made up Councilmember Tankha and Vice Mayor Swan to develop a process and criteria for Offering a Lifetime Volunteer Award to Qualified Individuals. The motion was seconded by Councilmember Schmidt.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
C. Request by the Environmental Initiatives Committee to Participate in a new Community-Based Network to Sample the Chemical Composition of Natural Gas Delivered to Los Altos Hills Homes (Councilmember Schmidt)
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Councilmember Schmidt presented the item.
Council discussion ensued.
MOTION MADE AND SECONDED: Mayor Tyson moved to participate in a study to sample the chemical composition of natural gas delivered to Los Altos Hills homes. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
11. ADJOURN
The meeting adjourned at 11:16 p.m.
Respectfully submitted,
Deborah L. Padovan
Deborah Padovan
City Clerk
The minutes of the August 18, 2022, regular City Council meeting were approved as presented at the September 15, 2022, regular City Council meeting.
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Via teleconference according to the Governor’s Executive Order N-29-20, Mayor Tyson called the City Council Regular Meeting to order at 6:02 p.m.
Present: Mayor George Tyson, Vice Mayor Linda Swan, Councilmember Stanley Q.
Mok, Councilmember Lisa Schmidt, Councilmember Kavita Tankha
Absent: None
Staff: City Manager Peter Pirnejad, City Attorney Steve Mattas, Planning and Building Director Sofia Mangalam, Public Works Director Oscar Antillon, Administrative Services Director Sarina Revillar, Community Services Supervisor Sarah Robustelli, Management Analyst II Cody Einfalt, City Clerk Deborah Padovan
CALL TO ORDER (6:00 P.M.)
A. Roll Call
B. Pledge of Allegiance
1. AGENDA REVIEW
Mayor Tyson said there was no reportable action out of of closed session.
Vice Mayor Swan removed Items 9.C and 9.D from the agenda.
Mayor Tyson removed Item 6.B from the agenda.
There were no other changes to the agenda.
2. PRESENTATIONS AND APPOINTMENTS
A. Appointments to the Los Altos Hills Open Space Committee City Clerk Deborah Padovan presented two applications for the Open Space Committee.
Anita Baldwin introduced herself to the City Council and expressed her interest in serving on the committee.
Viggy Mokkarala introduced himself to the City Council and expressed his interest Town of Los Altos Hills
City Council Regular Meeting Minutes
Thursday, February 17, 2022 – 6:00 p.m.
Council Chambers, 26379 Fremont Road, Los Altos Hills, California Attachment 4
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in serving on the committee.
Council discussion ensued.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to appoint Anita Baldwin and Viggy Mokkarala to the Open Space Committee for four-year terms. The motion was seconded by Councilmember Tankha.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
B. Appointments to the Los Altos Hills Technology Committee City Clerk Padovan presented the applications for the Technology Committee.
Vice Mayor Swan said that she would not be voting for her spouse and will choose only six applicants.
Council discussion ensued.
Rajiv Bhateja, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
William Coughran, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
Ameesh Divatia, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
Javed Husain, Los Altos Hills, was not present, but the City Clerk read a message from him in which he expressed his interest in serving on the committee.
Annie Ju, Los Altos Hills, introduced herself to the City Council and expressed her interest in serving on the committee.
George Lee, Los Altos Hills, was not present, but a video message was shared in which he expressed his interest in serving on the committee.
Ronald Haley, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
Sam Mughal, Los Altos Hills, applied, but was not present.
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Robert Sandor, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
John Swan, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
Scott Vanderlip, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
Sasha Zbrozek, Los Altos Hills, introduced himself to the City Council and expressed his interest in serving on the committee.
Council discussion ensued.
The results of the vote are as follows:
Councilmember Mok selected Rajiv Bhateja, William Coughran, Ameesh Divatia, Ronald Haley, John Swan, Scott Vanderlip and Sasha Zbrozek.
Councilmember Schmidt selected Rajiv Bhateja, William Coughran, Ameesh Divatia, Javed Husain, Annie Ju, George Lee and Sasha Zbrozek.
Councilmember Tankha selected Rajiv Bhateja, William Coughran, Ameesh Divatia, Ronald Haley, John Swan, Scott Vanderlip and Sasha Zbrozek.
Vice Mayor Swan selected Rajiv Bhateja, William Coughran, Ameesh Divatia, George Lee, Scott Vanderlip and Sasha Zbrozek.
Mayor Tyson selected Rajiv Bhateja, William Coughran, Ameesh Divatia, Javed Husain, Annie Ju, George Lee and Sasha Zbrozek.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to appoint Rajiv Bhateja, William Coughran, Ameesh Divata, Annie Ju, Scott Vanderlip, Sasha Zbrozek and George Lee to the Technology Committee for four-year terms.
The motion was seconded by Councilmember Tankha.
Public Comment
There were no public comments.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
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ABSENT: None
3. PRESENTATIONS FROM THE FLOOR
There were no presentations from the floor.
4. CONSENT CALENDAR
Mayor Tyson pulled Item 4.I for discussion. Vice Mayor Swan recused herself from voting on Items 4.I and 4.L
Councilmember Mok did not pull Item 4.D but commented on it.
Public Comment
There were no public comments.
MOTION MADE AND SECONDED: Councilmember Tankha moved to approve the Consent Calendar with the exception of Item 4.I. The motion was seconded by Councilmember Schmidt.
MOTION PASSED 5-0:
AYES: Tyson, Swan (except for Item 4.I and 4.L), Mok, Schmidt, Tankha NOES: None
ABSTAIN: None
RECUSE: Swan (Item 4.I and 4.L)
ABSENT: None
A. Approval of Special City Council/Planning Commission Meeting Minutes – January 19, 2022
B. Approval of Regular City Council Meeting Minutes – January 20, 2022 C. Approval of Special City Council Meeting Minutes – January 25, 2022 D. Review of Disbursements for January 1-31, 2022 $1,562,638.59 E. Motion to Re-Authorize Remote Teleconference Meetings of the Town of Los Altos Hills, Including the Planning Commission and Committees, due to the Imminent Risks to the Health and Safety of Attendees and Making Related Findings Pursuant to AB 361 (Staff: S. Mattas)
F. Resolution 15-22 Authorizing Submittal of Application for all CalRecycle Grants for Which Town of Los Altos Hills is Eligible (Staff: S. Revillar)
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G. Receive Quarterly Investment Portfolio Report-Quarter Ending December 31, 2021 (Staff: S. Revillar)
H. Resolution 16-22 Accepting the 2021 Pavement Rehabilitation and Drainage Improvement Project as Complete (Staff: O. Antillon)
I. Resolution 19-22 Awarding a Contract for the East Sunset Drive Roadway Widening Project to Brannon Corporation (Staff: O. Antillon)
Mayor Tyson pulled the item and proposed that we proceed with this item and direct the staff to investigate ways to complete a pathway along that roadway at the same time.
City Manager Pirenjad clarified that the motion that had been discussed was “Approve the project as is, recognize that the Pathways Master Plan includes this as one of the areas missing a roadway path, and direct staff to coordinate with the Pathways Committee to plan for a path for this section of East Sunset Drive.” MOTION MADE AND SECONDED: Mayor Tyson moved to approve Resolution 19-22 Awarding a Contract for the East Sunset Drive Roadway Widening Project to Brannon Corporation, recognizing that the Pathways Master Plan includes this as one of the areas missing a roadway path, and direct staff to coordinate with the Pathways Committee to plan for a path for this section of East Sunset Drive. The motion was seconded by Councilmember Tankha.
Public Comment
There were no public comments.
MOTION PASSED 4-0-1:
AYES: Tyson, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: Swan
ABSENT: None
J. Adoption of Ordinance 600 (Second Reading) to Amend Title 6 of the Los Altos Hills Municipal Code Establishing Mandatory Organic Waste Disposal Reduction Regulations Consistent with Senate Bill 1383 Requirements (Staff: O. Antillon) - Motion to Waive Reading and Adopt the Ordinance
K. Resolution 17-22 Authorizing Consulting Service Agreements with 4Leaf, Inc. and West Coast Code Consultants, Inc. for Contract Building Services for a period of three (3) years in an amount not to exceed $150,000 per agreement (Staff: S.
Mangalam)
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L. Resolution 18-22 Accepting the Grant of an Open Space Easement at 13210 E.
Sunset Drive; Lands of Pang; File #ER21-0001 (Staff: S. Mangalam) M. Receive City Council Strategic Priorities Implementation Plan (Staff: P. Pirnejad)
5. ONGOING BUSINESS
A. Amendment to the Resolution 20-22 Establishing Standing Committees and Adopting General Special Rules Pertaining Thereto Regarding Status of the Education Committee (Staff: D. Padovan)
City Clerk Padovan presented the staff report.
Mayor Tyson provided additional information.
Council discussion ensued.
Public Comment
John Swan, Los Altos Hills, said he doesn’t think an Education Committee is necessary right now, but believes we should designate one person to be our champion for how monies are spent.
Mayor Tyson would be willing to contact LASD to see if there is an opening to serve on their bond oversight committee.
MOTION MADE AND SECONDED: Mayor Tyson moved to amend the standing committee to remove the Education Committee. The motion was seconded by Councilmember Schmidt.
Public Comment, continued
Michelle Yu, Los Altos Hills, had missed the discussion of Consent Calendar and asked what had been decided. Mayor Tyson said the item was approved and returned to staff. City Manager Pirnejad offered to speak with Ms. Yu offline.
MOTION PASSED 3-2:
AYES: Tyson, Schmidt, Tankha
NOES: Swan, Mok
ABSTAIN: None
RECUSE: None
ABSENT: None
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B. Resolution 21-22 Approving the Scope of Work and Authorizing Staff to Issue an RFP for Proposition 68 Grant Funding Project to Retrofit the Purissima Park Concession Building and Obtain Bids (Staff: S. Robustelli) Community Services Supervisor Sarah Robustelli presented the staff report.
Council discussion ensued.
MOTION MADE AND SECONDED: Councilmember Schmidt moved to adopt Resolution 21-22 Approving the Scope of Work and Authorizing Staff to Issue an RFP for Proposition 68 Grant Funding Project to Retrofit the Purissima Park Concession Building and Obtain Bids. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
C. Resolution 22-22 Approving the Review Criteria for the Automatic License Plate Reader Pilot Program (Staff: C. Einfalt)
Management Analyst II Cody Einfalt presented the staff report.
Captain Rich Urena provided information on the sheriff’s office side of the cameras.
Council discussion ensued.
Public Comment
Rajiv Bhateja, Los Altos Hills, said he was glad to see they are already helping to keep the Town safe. Trying to extrapolate the effectiveness of these systems in a 30 period is not likely to be very reliable, so he supports reviewing the effectiveness over a longer period.
Allan Epstein, Los Altos Hills, complimented the staff and committee for putting in the ALPR system. He asked what methodology the sheriff’s office is going to employ to verify that all the systems are working. Captain Urena responded to Mr.
Epstein’s questions.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to adopt Resolution 22-22 Approving the Review Criteria for the Automatic License Plate Reader Pilot Program. The motion was seconded by Councilmember Mok.
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MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
The Council went into Recess at 8:02 p.m.
The Council Reconvened to Open Session at 8:09 p.m.
6. NEW BUSINESS
A. Receive 2021-22 Mid-Year Financial Report and Adopt Resolution 23-22 Approving the Mid-Year Budget Appropriations (Staff: S. Revillar) Administrative Services Director Sarina Revillar presented the staff report.
Council discussion ensued.
Public Comment
Allan Epstein, Los Altos Hills, said revenue is definitely coming in higher than what was expected and expenses way under budgeted. The anticipated amount of fund balance at the end of the year will be substantially greater. He suggested since the Phase II program for Town Hall is not moving ahead, the money be unappropriated so that it is available for other expenditures.
Further Council discussion ensued.
MOTION MADE AND SECONDED: Councilmember Tankha moved to adopt Resolution 23-22 Approving the Mid-Year Budget Appropriations. The motion was seconded by Councilmember Mok.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
B. Resolution Approving the Employee Enhancements to Attract and Retain Town Staff (Staff: S. Revillar) – Removed from the agenda and not considered.
C. Resolution 24-22 Approving the COVID-19 Vaccination and Testing Policy (Staff:
S. Revillar)
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Administrative Services Director Sarina Revillar presented the staff report.
City Attorney Steve Mattas said that councilmembers are elected and appointed by pursuant to state laws. The Town cannot impose a requirement beyond what state law allows for an individual to be a councilmember. However, the Council can impose upon itself that requirement. He wanted Council to be aware that should they adopt the resolution presented tonight, those requirements would apply to them and to any new councilmember should a seat become vacant.
Public Comment
There were no public comments.
MOTION MADE AND SECONDED: Vice Mayor Swan moved to adopt Resolution 24-22 Approving the COVID-19 Vaccination and Testing Policy. The motion was seconded by Councilmember Schmidt.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
Items 6.D and 6.E were combined:
D. Discussion and Possible Action to Form a Council Ad Hoc Committee to Review and Make Recommendations on the Town’s Solid Waste Franchise Agreement with Greenwaste Recovery Inc. (Staff: C. Einfalt); and,
E. Discussion and Possible Action to establish two City Council Ad Hoc Committees; 1) a City Council Town Hall Committee to Evaluate Staffing Needs, Facilities and Parks and Recreation Program Space over the next 10 years and 2) Establish a City Council Ad Hoc Committee to Explore a Legacy Giving Program (Staff: P. Pirnejad) Council discussion ensued. Management Analyst II Cody Einfalt presented the memo on the Greenwaste Ad Hoc Committee.
Public Comment (Item 6.D)
Allan Epstein, Los Altos Hills, asked if contracts ran on a calendar year or fiscal year. Mr. Einfalt responded that the franchise agreement runs on a fiscal year, but the decision needs to be on calendar year.
City Manager Pirnejad presented the ad hoc committees on evaluating staff needs/facilities and on a legacy giving program.
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Council discussion ensued.
Public Comment (Item 6.E)
There were no public comments.
There was Council consensus that the ad hoc committee members would be as follows:
City Council Ad Hoc Town Hall Committee (Staffing Needs, Facilities and Parks and Recreation Program Space): Mayor Tyson and Councilmember Schmidt City Council Ad Hoc Greenwaste Committee: Mayor Tyson and Vice Mayor Swan City Council Ad Hoc Legacy Giving Program Committee: Councilmember Mok and Councilmember Tankha
MOTION MADE AND SECONDED: Mayor Tyson moved that a Council Ad Hoc Town Hall Committee consisting of Mayor Tyson and Councilmember Schmidt be formed; a Council Ad Hoc Greenwaste Committee consisting of Mayor Tyson and Vice Mayor Swan be formed; and a Council Ad Hoc Legacy Giving Program Committee consisting of Councilmember Mok and Councilmember Tankha be formed. The motion was seconded by Vice Mayor Swan.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
7. REPORTS FROM COMMITTEES, SUB-COMMITTEES, AND
COUNCILMEMBERS ON OUTSIDE AGENCIES
A. Request from the Open Space Committee Authorizing the City Manager to Enter into an Agreement for Funding for a Wildlife Corridor Consultation with Live Oak Associates in an amount not to exceed $15,000 (Open Space Committee Chair Kit Gordon)
Open Space Committee Chair Kit Gordon presented the report.
Council discussion ensued.
Public Comment
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Peter Brown, Los Altos Hills, spoke in support of the proposal.
MOTION MADE AND SECONDED: Councilmember Tankha moved to Authorize the City Manager to Enter into an Agreement for Funding for a Wildlife Corridor Consultation with Live Oak Associates in an amount not to exceed $15,000.
The motion was seconded by Vice Mayor Swan.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
B. Report and Resolution 23-22 Approving the Proposed ARPA Fund Usage (Councilmember Schmidt)
Councilmember Schmidt presented the report.
Council discussion ensued.
Public Comment
Allan Epstein, Los Altos Hills, had questions about procedures for submitting to the treasury. As far as where the money is spent, it should be distributed equitably throughout the Town. It should work to the benefit of all the residents in the town.
MOTION MADE AND SECONDED: Councilmember Tankha moved to approve Resolution 23-22 Approving the Proposed ARPA Fund Usage. The motion was seconded by Vice Mayor Swan.
MOTION PASSED 5-0:
AYES: Tyson, Swan, Mok, Schmidt, Tankha
NOES: None
ABSTAIN: None
RECUSE: None
ABSENT: None
C. Report by the Undergrounding Subcommittee (Mayor Tyson) Mayor Tyson presented the report. PG&E contacted the Town and informed us that they have been in touch with their estimator and they expect to have their work done by the end of February. The report was received. No action was taken.
D. Report by the Fire Taskforce Subcommittee (Councilmember Schmidt)
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Councilmember Schmidt said she has morphed this ad ho committee to be more about safety. She reported on her activities related to safety issues in town. There was Council consensus to update the name of the subcommittee to the Safety Subcommittee. City Attorney Mattas recommended agendizing the topic for the next meeting.
E. Status Reports from All Councilmembers on Subcommittee and Outside Agencies Activities
Councilmember Schmidt said she met with Mayor Tyson and staff to come up with short, small town surveys that will be distributed for feedback.
8. STAFF REPORTS
A. City Manager
City Manager Pirenjad promoted the City Manager’s weekly newsletter; it currently has 171 subscribers, and he wants to increase it to over 200. The next talk and walk series with the City Manager is scheduled for February 25th. He encouraged residents to register to receive community surveys. The Council adopted goals and staff is working on implementing those goals. Covid testing will take place on February 22nd at Town Hall. Clean up day is March 26th. All of this information can be found in the City Manager’s weekly newsletter.
Management Analyst II Einfalt reported on the CalOES grant mitigation program. The Town submitted a notice of intent to apply. It was due Tuesday, February 15th and the has state already responded, approved the eligibility for the project, and invited staff for a sub-application to submit for the project (fire mitigation efforts). It does require a 25% Town match and staff will be bringing it forward to the Council there is more information.
B. City Attorney - No report.
C. City Clerk
City Clerk Padovan announced that after a two-year hiatus we are planning to have an in-person volunteer dinner. It will be an outdoor venue and will be hosted at Hidden Villa. The date is a little different this year - it will be on a Wednesday. The date is Wednesday, September 7th and a “save the date” will go out to all committee members in the very near future. For now, please save the date of Wednesday, September 7, 2022.
D. Planning Director
Planning and Building Director Mangalam reported that they had a pop-up event last week and that the Housing Element survey went out last week.