1363002.1 1
PUBLIC WORKS AGREEMENT
(Uniform Cost Accounting Contract-DBMC Chapter 3.25)
The following agreement ("Agreement") is made and entered into, in duplicate, as of the date executed by the City Manager and attested to by the City Clerk, by and between Rite-Way Roof Corporation hereinafter referred to as the "Contractor" and the City of Diamond Bar, California, hereinafter referred to as "City." WHEREAS, City received Contractor’s bid on February 28, 2024; and WHEREAS, City accepted the bid of Contractor under its Uniform Public Construction Cost Accounting Ordinance, Diamond Bar Municipal Code Chapter 3.25 (“UPCCA Ordinance”); and
WHEREAS, the UPCCA Ordinance authorizes the City Manager to execute written contracts with the Contractor for furnishing labor, equipment and material for the City Hall roof rehabilitation project in the City.
NOW, THEREFORE, in consideration of the mutual covenants herein contained, it is agreed:
1. GENERAL SCOPE OF WORK: Contractor shall furnish all necessary labor, tools, materials, appliances, and equipment for and do the work for the City Hall roof rehabilitation project in the City (the “Work”). The Work to be performed in accordance with the scope of work (the “Attachment A”) on file with the City and in accordance with bid prices hereinafter mentioned and in accordance with the instructions of the City’s Project Manager, who is Jason Williams, Maintenance Supervisor, Phone (909) 839-7059.
2. INCORPORATED DOCUMENTS TO BE CONSIDERED
COMPLEMENTARY/PRIORITY OF DOCUMENTS: The Plans are incorporated herein by reference and made a part hereof with like force and effect as if set forth in full herein. The Plans, Contractor’s bid dated 02/28/2024 (“Contractor’s Bid”) together with this Agreement shall constitute the entire agreement between the parties. This Agreement is intended to require a complete and finished piece of work and anything necessary to complete the work properly and in accordance with the law and lawful governmental regulations shall be performed by the Contractor whether set out specifically in this Agreement or not. Should it be ascertained that any inconsistency exists between the aforesaid documents and this Agreement, the following order of precedence shall apply: (1) this Agreement; (2) the scope of work (Attachment A); and (3) Contractor's Bid (Attachment B) (collectively, the “Contract Documents”).
3. COMPENSATION: Contractor agrees to receive and accept the prices set forth in its Contractor’s Bid as full compensation for furnishing all materials, performing all Work, and fulfilling all obligations hereunder. Said compensation in the amount of five hundred eighty-four thousand dollars ($584,000) shall cover all expenses, losses, damages, and consequences arising out of the nature of the Work during its progress or prior to its acceptance, including those for well and faithfully completing the Work and the whole thereof in the manner and time specified in the Contract Documents; and also including those arising from actions of the elements, unforeseen difficulties or obstructions encountered in the prosecution of the Work, suspension or discontinuance of the Work, and all other unknowns or risks of any description DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 1363002.1 2
connected with the Work. Final payment to Contractor shall be withheld for at least 30 days after the time in which Contractor has verified, to the City's satisfaction, that it has submitted all information to the Department of Industrial Relations required by Labor Code §1773.3.
4. TERM OF AGREEMENT/LIQUIDATED DAMAGES: Contractor agrees to complete the work within one hundred twenty (120) calendar days from the date of the notice to proceed (the “Completion Date”).
5. INSURANCE: Contractor shall not commence work under this Agreement until it has obtained all insurance required hereunder in a company or companies acceptable to City nor shall the Contractor allow any sub-contractor to commence work on his sub-contract until all insurance required of the sub-contractor has been obtained.
The Contractor shall take out and maintain at all times during the life of this contract the following policies of insurance:
a. Workers' Compensation Insurance: Before beginning work, the Contractor shall furnish to the City a certificate of insurance as proof that he has taken out full workers' compensation insurance for all persons whom he may employ directly or through sub-contractors in carrying out the work specified herein, in accordance with the laws of the State of California. Such insurance shall be maintained in full force and effect during the period covered by this contract.
In accordance with the provisions of Section 3700 of the California Labor Code, every Contractor shall secure the payment of compensation to his employees. The Contractor, prior to commencing work, shall sign and file with the City a certification as follows:
"I am aware of the provisions of Section 3700 of the Labor Code which requires every employer to be insured against liability for workers' compensation or to undertake self insurance in accordance with the provisions of that Code, and I will comply with such provisions before commencing the performance of work of this contract."
b. For all operations of the Contractor or any sub-contractor in performing the work provided for herein, insurance with the following minimum limits and coverage:
1) General Liability - $2,000,000 per occurrence for bodily injury, personal injury and property damage. If Commercial General Liability insurance or other form with a general aggregate limit is used, either the general aggregate limit shall apply separately to this Agreement or the general aggregate limit shall be twice the required occurrence limit. 2) Automobile - $2,000,000 per accident for bodily injury and property damage.
3) Employer's Liability - $1,000,000 per accident for bodily injury or disease.
c. Each such policy of insurance provided for in paragraph b. shall:
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 1363002.1 3
1) Be issued by an insurance company approved in writing by City, which is authorized to do business in the State of California.
2) Name as additional insured the City of Diamond Bar, its officers, agents and employees, and any other parties
specified in the bid documents to be so included;
3) Specify it acts as primary insurance and that no insurance held or owned by the designated additional insured shall be called upon to cover a loss under the policy;
4) Contain a clause substantially in the following words:
"It is hereby understood and agreed that this policy may not be canceled nor the amount of the coverage thereof reduced until thirty (30) days after receipt by City of a written notice of such cancellation or reduction of coverage."
5) Waives all right of subrogation against all persons and entities specified in subparagraph 4.c.(2) hereof to be listed as additional insured in the policy of insurance provided for in paragraph b. by reason of any claim arising out of or connected with the operations of Contractor or any subcontractor in performing the work provided for herein; 6) Otherwise be in form satisfactory to the City.
d. The Contractor shall, prior to performing any work under this Agreement, deliver to the City Manager or his designee the original policies of insurance required in paragraphs a. and b. hereof, or deliver to the City Manager or his designee a certificate of the insurance company, showing the issuance of such insurance, and the additional insured and other provisions required herein.
6. PREVAILING WAGE: Notice is hereby given that in accordance with the provisions of California Labor Code, Division 2, Part 7, Chapter 1, Articles 1 and 2, the Contractor is required to pay not less than the general prevailing rate of per diem wages for work of a similar character in the locality in which the public works is performed, and not less than the general prevailing rate of per diem wages for holiday and overtime work. In that regard, the Director of the Department of Industrial Relations of the State of California is required to and has determined such general prevailing rates of per diem wages. Copies of such prevailing rates of per diem wages are on file in the Office of the City Clerk of the City of Diamond Bar, 21810 Copley Drive, Diamond Bar, California, and are available to any interested party on request. Contractor shall cause a copy of such determinations to be posted at the job site.
Contractor shall forfeit, as penalty to City, not more than two hundred dollars ($200.00) for each laborer, workman or mechanic employed for each calendar day or portion thereof, if such laborer, workman or mechanic is paid less than the general prevailing rate of wages hereinbefore stipulated for any work done under this Agreement, by him or by any sub-contractor under him.
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Contractor and any of its sub-contractors must be registered with the Department of Industrial Relations pursuant to Labor Code section 1725.5, which precludes the award of a contract for a public work on any public works project awarded after April 1, 2015 to a person not registered. This Agreement is subject to compliance monitoring and enforcement by the Department of Industrial Relations.
7. APPRENTICESHIP EMPLOYMENT: In accordance with the provisions of Section 1777.5 of the Labor Code, and in accordance with the regulations of the California Apprenticeship Council, properly indentured apprentices may be employed in the performance of the work.
Contractor is required to make contribution to funds established for the administrative of apprenticeship programs if he employs registered apprentices or journeymen in any apprenticeship trade on such contracts and if other Contractors on the public works site are making such contributions.
Contractor and any sub-contractor under him shall comply with the requirements of Sections 1777.5 and 1777.6 in the employment of apprentices.
Information relative to apprenticeship standards, wage schedules and other requirements may be obtained from the Director of Industrial Relations, ex-officio the Administrator of Apprenticeship, San Francisco, California, or from the Division of Apprenticeship Standards and its branch offices.
8. LEGAL HOURS OF WORK: Eight (8) hours of labor shall constitute a legal day's work for all workmen employed in the execution of this Agreement, and the Contractor and any sub-contractor under him shall comply with and be governed by the laws of the State of California having to do with working hours set forth in Division 2, Part 7, Chapter 1, Article 3 of the Labor Code of the State of California as amended.
Contractor shall forfeit, as a penalty to City, twenty-five dollars ($25.00) for each laborer, workman or mechanic employed in the execution of the contract, by him or any sub-contractor under him, upon any of the work hereinbefore mentioned, for each calendar day during which the laborer, workman or mechanic is required or permitted to labor more than eight (8) hours in violation of the Labor Code.
9. TRAVEL AND SUBSISTENCE PAY: Contractor agrees to pay travel and subsistence pay to each workman needed to execute the work required by this contract as such travel and subsistence payments are defined in the applicable collective bargaining agreements filed in accordance with Labor Code Section 1773.8.
10. CONTRACTOR'S LIABILITY: The City and its officers, agents and employees ("Indemnitees") shall not be answerable or accountable in any manner for any loss or damage that may happen to the work or any part thereof, or for any of the materials or other things used or employed in performing the work; or for injury or damage to any person or persons, either workers or employees of Contractor, of its sub-contractors or the public, or for damage to adjoining or other property from any cause whatsoever arising out of or in connection with the performance of the work.
Contractor shall be responsible for any damage or injury to any person or property resulting from defects or obstructions or from any cause whatsoever.
Contractor will indemnify Indemnities against and will hold and save Indemnitees harmless from any and all actions, claims, damages to persons or property, penalties, obligations or liabilities that may be asserted or claimed by any person, firm, entity, corporation, political subdivision, or other organization arising out of or in connection DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 1363002.1 5
with the work, operation, or activities of Contractor, its agents, employees, subcontractors or invitees provided for herein, whether or not there is concurrent passive negligence on the part of City. In connection therewith:
a. Contractor will defend any action or actions filed in connection with any such claims, damages, penalties, obligations or liabilities and will pay all costs and expenses, including attorneys' fees, expert fees and costs incurred in connection therewith.
b. Contractor will promptly pay any judgment rendered against Contractor or Indemnitees covering such claims, damages, penalties, obligations and liabilities arising out of or in connection with such work, operations or activities of Contractor hereunder, and Contractor agrees to save and hold the Indemnitees harmless therefrom.
Contractor's obligations under this section apply regardless of whether or not such claim, charge, damage, demand, action, proceeding, loss, stop notice, cost, expense, judgment, civil fine or penalty, or liability was caused in part or contributed to by an Indemnitee. However, without affecting the rights of City under any provision of this Agreement, Contractor shall not be required to indemnify and hold harmless City for liability attributable to the active negligence of City provided such active negligence is determined by agreement between the parties or by the findings of a court of competent jurisdiction. In instances where City is shown to have been actively negligent and where City active negligence accounts for only a percentage of the liability involved, the obligation of Contractor will be for that entire portion or percentage of liability not attributable to the active negligence of City.
So much of the money due to Contractor under and by virtue of the contract as shall be considered necessary by City may be retained by City until disposition has been made of such actions or claims for damages as aforesaid.
It is expressly understood and agreed that the foregoing provisions are intended to be as broad and inclusive as is permitted by the law of the State of California. This indemnity provision shall survive the termination of the Agreement and is in addition to any other rights or remedies which Indemnitees may have under the law.
This indemnity is effective without reference to the existence or applicability of any insurance coverage which may have been required under this Agreement or any additional insured endorsements which may extend to Indemnitees.
Contractor, on behalf of itself and all parties claiming under or through it, hereby waives all rights of subrogation and contribution against the Indemnitees, while acting within the scope of their duties, from all claims, losses and liabilities arising out of or incident to activities or operations performed by or on behalf of the Contractor regardless of any prior, concurrent, or subsequent passive negligence by the Indemnitees.
11. NON-DISCRIMINATION: Pursuant to Labor Code Section 1735, no discrimination shall be made in the employment of persons in the work contemplated by this Agreement because of the race, color, sex, mental disability, physical disability, religion or other reason set forth in Government Code § 12940 of such person.
Contractor agrees to post in conspicuous places available to employees and applications, a notice setting forth provisions of this non-discrimination clause. A violation of this section exposes the Contractor to the penalties provided for in Labor Code Section 1735.
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12. PRESENTATION OF CLAIMS: Any claim, as that term is defined in Public Contract Code §9204, shall be submitted in accordance with Section 9204 and shall contain a sufficient description of the claim, the basis therefore and documentation in support of the claim. The claim shall be processed as more fully set forth in the Plans and Specifications.
13. TERMINATION: This Agreement may be terminated by the City for any reason upon the giving of a written "Notice of Termination" to Contractor at least thirty (30) days prior to the date of termination specified in the notice. Upon receipt of such notice, Contractor shall immediately cease work, unless otherwise directed by the Notice of Termination. In the event of such termination, Contractor shall be paid for services satisfactorily rendered and expenses reasonably and necessarily incurred prior to the effective date of termination, unless the Notice of Termination is issued for cause, in which event the City may withhold any disputed compensation. Contractor shall not be entitled to any claim for lost profits.
State of California
Contractor’s License No. 661941______
Contractor’s Business Phone: 909-350-8490
Contractor’s emergency phone which can be reached at any time: 909-350-8490 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 1363002.1 7
IN WITNESS WHEREOF, the parties hereto have executed this Agreement with all the formalities required by law on the respective dates set forth opposite their signatures.
Rite-Way Roof Corporation
By: ____________________Jeffrey Hughes_____
Title: _CEO/President________________________
Date:
*Note: only one corporate officer exists
By:
Title:
Date:
CITY OF DIAMOND BAR, CALIFORNIA
By: _____________________________________
Daniel Fox, City Manager
ATTEST:
By: _____________________________________
Kristina Santana, City Clerk
APPROVED AS TO FORM:
_____________________________________
Omar Sandoval, City Attorney
*NOTE: If Contractor is a corporation, the City requires the following signature(s):
-- The Chairman of the Board, the President or a Vice-President, AND (2) the Secretary, the Chief Financial Officer, the Treasurer, an Assistant Secretary or an Assistant Treasurer. If only one corporate officer exists or one corporate officer holds more than one corporate office, please so indicate. OR -- The corporate officer named in a corporate resolution as authorized to enter into this Agreement. A copy of the corporate resolution, certified by the Secretary close in time to the execution of the Agreement, must be provided to the City.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 4/5/2024
Attachment A –
Scope of work / Requirements
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
070150 Preparation For Re-Roofing
070150 - Page 1 of 4
PREPARATION FOR RE-ROOFING
SECTION 070150 - PREPARATION FOR RE-ROOFING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Roof membrane tear-off. Leave existing cover board and insulation.
2. Temporary roofing membrane.
3. Temporary roof drainage.
1.2 MATERIALS OWNERSHIP
A. Except for items or materials indicated to be reused, reinstalled, or otherwise indicated to remain Owner's property, demolished materials shall become Contractor's property and shall be removed from Project site.
1.3 DEFINITIONS
A. Roofing Terminology: Refer to ASTM D 1079 and glossary in NRCA's "The NRCA Roofing and Waterproofing Manual" for definition of terms related to roofing work in this Section.
B. Existing Membrane Roofing System: Roofing system identified above, including roofing membrane, roof insulation, surfacing, and components and accessories between deck and roofing membrane.
C. Roof Tear-Off: Removal of existing membrane roofing system from deck.
D. Remove: Detach items from existing construction and legally dispose of them off-site unless indicated to be removed and reinstalled.
E. Existing to Remain: Existing items of construction that are not indicated to be removed.
F. Construction Waste: Building and site improvement materials and other solid waste resulting from construction, remodeling, renovation, or repair operations. Construction waste includes packaging.
G. Demolition Waste: Building and site improvement materials resulting from demolition or selective demolition operations.
H. Disposal: Removal off-site of demolition and construction waste and subsequent sale, recycling, reuse, or deposit in landfill or incinerator acceptable to authorities having jurisdiction.
1.4 ACTION SUBMITTALS
A. Product Data: For each type of product indicated.
B. Temporary Roofing: Include Product Data and description of temporary roofing system. If temporary roof will remain in place, submit surface preparation requirements needed to receive permanent roof, and submit a letter from roofing membrane manufacturer stating acceptance of the temporary membrane and that its inclusion will not adversely affect the roofing system's resistance to fire and wind.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
070150 Preparation For Re-Roofing
070150 - Page 2 of 4
PREPARATION FOR RE-ROOFING
1.5 INFORMATIONAL SUBMITTALS
A. Qualification Data: For Installer
B. Digital Images or Videos: Show existing conditions of adjoining construction and site improvements, including exterior and interior finish surfaces, which might be misconstrued as having been damaged by reroofing operations. Submit before Work begins.
C. Proposed Protection Measures: Submit report, including Drawings, that indicates the measures proposed for protecting individuals and property for environmental protection, for dust control and for noise control. Indicate proposed locations and construction of barriers.
D. Schedule of Re-Roofing Preparation Activities: Indicate the following:
1. Detailed sequence of re-roofing preparation work, with starting and ending dates for each activity.
Ensure occupants' on-site operations are uninterrupted.
2. Interruption of utility services. Indicate how long utility services will be interrupted.
3. Coordination for shutoff, capping, and continuation of utility services.
1.6 QUALITY ASSURANCE
A. Installer Qualifications: Installer of new membrane roofing system.
B. Regulatory Requirements: Comply with governing EPA notification regulations before beginning membrane roofing removal. Comply with hauling and disposal regulations of authorities having jurisdiction.
C. Reroofing Conference: Conduct conference at Project site.
1. Meet with Owner; roofing system manufacturer's representative; roofing Installer including project manager, superintendent, and foreman; and installers whose work interfaces with or affects reroofing including installers of roof accessories and roof-mounted equipment.
2. Review methods and procedures related to roofing system tear-off and replacement including, but not limited to, the following:
a. Reroofing preparation, including membrane roofing system manufacturer's written instructions.
b. Temporary protection requirements for existing roofing system that is to remain during and after installation.
c. Construction schedule and availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.
d. Existing deck removal procedures and Owner notifications. e. Condition and acceptance of existing roof deck and base flashing substrate for reuse. f. Structural loading limitations of deck during reroofing.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
070150 Preparation For Re-Roofing
070150 - Page 3 of 4
PREPARATION FOR RE-ROOFING
g. Base flashings, special roofing details, drainage, penetrations, equipment curbs, and condition of other construction that will affect reroofing. h. Existing conditions that may require notification of Owner before proceeding.
1.7 PROJECT CONDITIONS
A. Protect building to be reroofed, adjacent buildings, walkways, site improvements, exterior plantings, and landscaping from damage or soiling from reroofing operations.
B. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities.
C. Limit construction loads on roof to rooftop equipment wheel loads and uniformly distributed loads not exceeding recommendations of Contractor's professional engineer based upon site inspection and analysis.
D. Weather Limitations: Proceed with reroofing preparation only when existing and forecasted weather conditions permit Work to proceed without water entering existing roofing system or building.
E. Daily Protection: Coordinate installation of roofing so insulation and other components of roofing system not permanently exposed are not subjected to precipitation or left uncovered at the end of the workday or when rain is forecast.
PART 2 - PRODUCTS
2.1 TEMPORARY ROOFING MATERIALS
A. Design and selection of materials for temporary roofing are responsibilities of Contractor.
2.2 TEMPORARY ROOF DRAINAGE
A. Design and selection of materials for temporary roof drainage are responsibilities of the Contractor.
PART 3 - EXECUTION
3.1 PREPARATION, GENERAL
A. Pollution Control: Comply with environmental regulations of authorities having jurisdiction. Limit spread of dust and debris.
1. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.
2. Remove debris from building roof by chute, hoist, or other device that will convey debris to grade level.
B. Air Intake Shutdown: Coordinate with Owner to shut down air-intake equipment in the vicinity of the Work. Cover air-intake louvers before proceeding with reroofing work that could affect indoor air quality or activate smoke detectors in the ductwork.
C. Temporary Weather Protection: During removal operations, have sufficient and suitable materials on-site to facilitate rapid installation of temporary protection in the event of unexpected rain.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
070150 Preparation For Re-Roofing
070150 - Page 4 of 4
PREPARATION FOR RE-ROOFING
3.2 ROOF TEAR-OFF
A. General: Notify Owner each day of extent of roof tear-off proposed for that day and obtain authorization to proceed.
B. Roof Tear-Off:
1. Remove existing roofing membrane down to the cover board.
2. Remove pitch pockets.
3.3 DECK PREPARATION
A. Inspect insulation system after tear-off of membrane roofing system.
B. Verify that insulation/cover board is sound and dry.
C. Unsuitable Insulation: If insulation/cover board surface is not suitable for receiving new roofing or if structural integrity of deck is suspect, immediately notify Owner. Do not proceed with installation until directed by Owner.
3.4 TEMPORARY ROOFING MEMBRANE
A. Install approved temporary roofing membrane over area to be reroofed.
B. Remove temporary roofing membrane before installing new roofing membrane.
3.5 DISPOSAL
A. Collect demolished materials and place in containers. Promptly dispose of demolished materials. Do not allow demolished materials to accumulate on-site.
1. Storage or sale of demolished items or materials on-site is not permitted.
B. Transport and legally dispose of demolished materials off Owner's property.
3.6 CLEANING
A. Clean adjacent structures and improvements of dust, dirt, and debris caused by preparation for re-roofing operations. Return adjacent areas to condition existing before operations began.
END OF SECTION 070150
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
075416 Ketone Ethylene Ester Roofing
075416 - Page 1 of 14
KETONE ETHYLENE ESTER (KEE) ROOFING
SECTION 075416 - KETONE ETHYLENE ESTER (KEE) ROOFING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Mechanically-fastened thermoplastic KEE roofing system over existing insulation, including:
2. Substrate board.
3. Walkway material.
4. Roof hatch with safety railing.
5. Skylight guards.
B. Related Sections:
1. Division 07 Section "Preparation for Re-Roofing".
1.2 DEFINITIONS
A. Roofing Terminology: Refer to ASTM D1079 "Standard Terminology Relating to Roofing and Waterproofing" and glossary in applicable edition of NRCA's "The NRCA Roofing Manual: Membrane Roof Systems" for definition of terms related to roofing work in this Section.
1.3 PREINSTALLATION MEETINGS
A. Preinstallation Roofing Conference: Conduct conference at Project site.
1. Meet with Owner, roofing Installer, roofing system manufacturer's representative, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roofmounted equipment.
2. Review drawings and specifications.
3. Review methods and procedures related to roofing installation, including manufacturer's written instructions.
4. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays.
5. Examine substrate conditions and finishes for compliance with requirements, including flatness and fastening.
6. Review structural loading limitations of roof deck during and after roofing.
7. Review base flashings, special roofing details, roof drainage, roof penetrations, equipment curbs, and condition of other construction that will affect roofing system.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
075416 Ketone Ethylene Ester Roofing
075416 - Page 2 of 14
KETONE ETHYLENE ESTER (KEE) ROOFING
8. Review temporary protection requirements for roofing system during and after installation.
9. Review roof observation and repair procedures after roofing installation.
1.4 ACTION SUBMITTALS
A. Product Data: For each type of product indicated.
B. Sustainable Design Submittals:
1. Product Test Reports for Solar Reflectance: For roof materials, indicating that roof materials comply with Solar Reflectance Index requirement.
C. Shop Drawings: For roofing system. Include plans, elevations, sections, details, and attachments to other work.
1. Base flashings and membrane terminations.
a. Indicate details meet requirements of NRCA required by this Section.
D. Samples for Verification: For the following products:
1. Sheet roofing.
2. Walkway pads.
1.5 INFORMATIONAL SUBMITTALS
A. Contractor's Product Certificate: Submit certificate, indicating products intended for Work of this Section, including product names and numbers and manufacturers' names, with statement indicating that products to be provided meet the requirements of the Contract Documents.
B. Qualification Data: For Installer, Manufacturer and Roofing Inspector.
1. Include letter from Manufacturer written for this Project indicating approval of Installer.
C. Manufacturer Certificates: Signed by roofing manufacturer certifying that roofing system complies with requirements specified in "Performance Requirements" Article.
1. Submit evidence of compliance with performance requirements. a. Include: UL listing certificate and Energy Performance.
2. Product Compatibility: Indicate manufacturer has verified compatibility of roofing system components, including but not limited to: Roofing membrane, flashing sheets, adhesives, and sealants.
D. Warranties: Unexecuted sample copies of special warranties.
E. Inspection Reports: Reports of Roofing Inspector. Include weather conditions, description of work performed, tests performed, defective work observed, and corrective actions taken to correct defective work.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
075416 Ketone Ethylene Ester Roofing
075416 - Page 3 of 14
KETONE ETHYLENE ESTER (KEE) ROOFING
1. Submit reports within 24 hours after inspection.
1.6 CLOSEOUT SUBMITTALS
A. Executed copies of warranties.
B. Maintenance Data: To include in maintenance manuals.
1.7 QUALITY ASSURANCE
A. Installer Qualifications: An employer of workers trained and certified by manufacturer, including a fulltime on-site supervisor with a minimum of five years' experience installing products comparable to those specified, able to communicate verbally with Contractor and employees, and qualified by the manufacturer to install manufacturer's product and furnish warranty of type specified.
B. Manufacturer Qualifications: Approved manufacturer listed in this Section, UL listed for roofing systems comparable to that specified for this Project, with minimum five years' experience in manufacture of thermoplastic roof membrane products in successful use in similar applications.
1. Approval of Comparable Products: Submit the following in accordance with project substitution requirements, within time allowed for substitution review:
a. Product data, including certified independent test data indicating compliance with requirements.
b. Samples of each component.
c. Sample submittal from similar project.
d. Project references: Minimum of five installations of specified products not less than five years old, with Owner and Architect contact information. e. UL listing.
f. Nemo report.
g. Sample warranty.
2. Substitutions following award of contract are not allowed except as stipulated in Division 01 General Requirements.
3. Approved manufacturers must meet separate requirements of Submittals Article.
C. Roofing Inspector Qualifications: A technical representative of manufacturer not engaged in the sale of products and experienced in the installation and maintenance of the specified roofing system, qualified to perform roofing observation and inspection specified in Field Quality Control Article, to determine Installer's compliance with the requirements of this Project, and approved by the manufacturer to issue warranty certification. The Roofing Inspector shall be one of the following:
1. An authorized full-time technical employee of the manufacturer.
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Re-Roof Project
075416 Ketone Ethylene Ester Roofing
075416 - Page 4 of 14
KETONE ETHYLENE ESTER (KEE) ROOFING
2. An independent party certified as a Registered Roof Observer by the International Institute of Building Enclosure Consultants (formerly the Roof Consultants Institute) retained by the Contractor or the Manufacturer and approved by the Manufacturer.
D. Manufacturer's Installation Instructions: Obtain and maintain on-site access to manufacturer's written recommendations and instructions for installation of products.
1.8 DELIVERY, STORAGE, AND HANDLING
A. Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components.
B. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing system manufacturer. Protect stored liquid material from direct sunlight.
1. Discard and legally dispose of liquid material that cannot be applied within its stated shelf life.
C. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation.
D. Handle and store roofing materials and place equipment in a manner to avoid permanent deflection of deck.
1.9 PROJECT / FIELD CONDITIONS
A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements.
B. Daily Protection: Coordinate installation of roofing so insulation and other components of roofing system not permanently exposed are not subjected to precipitation or left uncovered at the end of the workday or when rain is forecast.
1. Provide tie-offs at end of each day's work to cover exposed roofing and insulation with a course of roofing sheet securely in place with joints and edges sealed.
2. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing.
3. Remove temporary plugs from roof drains at end of each day.
4. Remove and discard temporary seals before beginning work on adjoining roofing.
1.10 WARRANTY
A. Manufacturer's Warranty: Roof System Manufacturer's standard form in which Manufacturer agrees to repair or replace components of roofing system that fail in materials or workmanship within warranty period, as follows.
1. Form of Warranty: Manufacturer's standard warranty form.
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2. Scope of Warranty: Work of this Section and including sheet metal details and termination details installed by the roof system Installer and approved by the Roof System Manufacturer.
3. Warranty Period: 30 years from date of completion.
B. Manufacturer Inspection Services: By manufacturer's technical representative, to report maintenance responsibilities to Owner necessary for preservation of Owner's warranty rights. The cost of manufacturer's inspections is included in the Contract Sum.
1. Inspections to occur in following years: 2, 5, 10, 15, 20, and 25 following completion.
C. Installer Warranty: Installer's warranty signed by Installer, as follows.
1. Form of Warranty: Form acceptable to Roofing Manufacturer and Owner.
2. Scope of Warranty: Work of this Section.
3. Warranty Period: 2 years from date of completion.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Basis of Design: The roof system specified in this Section is based upon products of Tremco CPG Incorporated.
B. Source Limitations: Obtain components for roofing system from same manufacturer as membrane roofing or manufacturer approved by membrane roofing manufacturer.
2.2 PERFORMANCE REQUIREMENTS
A. General Performance: Installed membrane roofing and base flashings shall withstand specified uplift pressures, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Membrane roofing and base flashings shall remain watertight.
1. Accelerated Weathering: Roofing system shall withstand 10,000 hours of exposure when tested according to ASTM G152, ASTM G154, or ASTM G155.
2. Impact Resistance: Roof membrane shall resist impact damage when tested according to ASTM D3746/D3746M, ASTM D4272/D4272M, or the "Resistance to Foot Traffic Test" in FM Approvals 4470.
B. Flashings and Fastening: Provide base flashings, perimeter flashings, detail flashings and component materials and installation techniques that comply with requirements and recommendations of the following:
1. NRCA Roofing Manual (Sixth Edition) for construction details and recommendations.
2. SMACNA Architectural Sheet Metal Manual (Seventh Edition) for construction details.
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C. Exterior Fire-Test Exposure: ASTM E108, Class A; for application and roof slopes indicated, as determined by testing identical membrane roofing materials by a qualified testing agency. Materials shall be identified with appropriate markings of applicable testing agency.
D. Energy Performance: Roofing system shall have an initial solar reflectance index of not less than 0.70 and an emissivity of not less than 0.75 when tested according to CRRC-1.
2.3 MATERIALS, GENERAL
A. Material Compatibility: Roofing materials shall be compatible with one another and adjacent materials under conditions of service and application required, as demonstrated by roof membrane manufacturer based on testing and field experience.
2.4 THERMOPLASTIC MEMBRANE MATERIALS
A. KEE Roof Membrane:
1. Thermoplastic Ketone Ethylene Ester (KEE) coated polyester fabric-reinforced sheet, ASTM D6754.
a. Breaking Strength, minimum, ASTM D751: Machine direction, 500 lbf (87 kN/m); Cross machine direction, 400 lbf (70 kN/m).
b. Tear Strength, minimum, ASTM D751: Machine direction,125 lbf (21 kN/m); Cross machine direction, 145 lbf (25 kN/m).
c. Elongation at Break, ASTM D751: 20 percent.
d. Dynamic Impact/Puncture Resistance, ASTM D5635: Pass. e. Minimum Membrane Thickness, nominal, less backing, ASTM D751: 60 mils (1.5 mm). f. Thickness over fiber, optical method: 0.014 inches.
g. Accelerated Weathering, ASTM G155 and ASTM G154: Not greater than 5,000 hr., no cracking or crazing.
h. Abrasion Resistance, ASTM D3389: Not greater than 2,000 cycles, H-18 wheel, 1,000 g load.
i. Color: White.
j. Solar Reflectance Index (SRI), ASTM E1980: 110 (White, initial), 86 (White, 3-yr aged).
B. Sheet Flashing: Manufacturer's standard, smooth-backed, sheet flashing of same material, type, reinforcement, thickness and color as KEE roof membrane.
2.5 AUXILIARY ROOFING MATERIALS
A. General: Auxiliary membrane roofing materials recommended by roofing system manufacturer for intended use, and compatible with membrane roofing.
1. Liquid-type auxiliary materials shall comply with VOC limits of authorities having jurisdiction.
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B. Flashing Membrane Adhesive:
1. Bonding adhesive, solvent based fast drying, VOC-compliant, for bonding KEE smooth-backed single ply membranes and flashings to substrates.
a. VOC, maximum, ASTM D 3960: 200 g/L.
C. Polyurethane Elastomeric Fluid-Applied System: Two-coat fluid-applied roofing membrane formulated for application over prepared existing roofing substrate.
1. Polyurethane Roof Coating System Base Coat: Bio-based, low-odor low-VOC two-part, for use with a compatible top coat.
a. Minimum Thickness, Base Coat reinforced over Single-Ply: 48 mils (1.22 mm) wet.
2. Polyurethane roof coating system top coat, bio-based low-odor low-VOC two-part, for application over compatible base coat.
a. Minimum Thickness, reinforced system: 32 mils (0.81 mm) wet.
D. Primers:
1. Primer for Asphaltic and Single-Ply Membranes: Water-based, polymer-modified quick-dry low odor primer.
2. Primer for Non-Porous Surfaces: Single-part, water based primer to promote adhesion of urethanes to metals, PVC and other non-porous surfaces.
3. Primer for Intercoat and Substrate Adhesion: Single-part, quick-drying primer to promote adhesion of urethane products to previous urethane coats and to other approved surfaces.
E. Fluid-Applied Roofing Reinforcing Fabric:
1. Polyester Reinforcing and Protection Fabric: 100 percent stitch-bonded mildew-resistant polyester fabric intended for reinforcement of compatible fluid-applied membranes and flashings.
F. Efis and Metal Coating, Elastomeric: High-solids breathable acrylic polymer coating formulated for use on masonry substrates.
1. Tensile Strength at 77 deg. F, (25 deg. C): 375 psi (2585 kPa).
2. Tear Resistance, ASTM D522: 135 lbf/in (23 kN/m).
3. Elongation at 77 deg. F, (25 deg. C) ASTM D2370: 200 percent.
4. Flexibility at -15 deg F (-26 deg C), ASTM D522: Pass 1/2 inch mandrel bend.
5. Solids by volume, minimum ASTM D5201): 50 percent.
6. Water Vapor Permeance, ASTM E96: 12 perms.
7. Minimum Thickness, Wall Application: 24 mils (0.60 mm) wet.
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G. Primer, Masonry: Acrylic primer formulated for use on masonry, EIFS, stucco, and other cementitious surfaces, and wood.
1. Flexibility at -15 deg F (-26 deg C), ASTM D1737: Pass 1/8 inch mandrel bend.
2. Solids by volume, percent: 40 percent.
3. VOC: 62 g/L.
H. Metal Termination Bars: Manufacturer's standard, predrilled stainless-steel or aluminum bars, approximately 1 by 1/8 inch (25 mm by 3 mm) thick; with anchors.
I. Metal Battens: Manufacturer's standard, aluminum-zinc-alloy-coated or zinc-coated steel sheet, approximately 1 inch wide by 0.05 inch (25 mm wide by 1.3 mm) thick, prepunched.
J. Fasteners: Factory-coated steel fasteners and metal plates complying with corrosion-resistance provisions in FM Approvals 4470, designed for fastening components to substrate, and acceptable to membrane roofing system manufacturer.
K. Joint Sealant: Elastomeric joint sealant compatible with roofing materials, with movement capability appropriate for application.
1. Joint Sealant, Polyurethane: ASTM C920, Type S, Grade NS, Class 50 single-component moisture curing sealant, formulated for compatibility and use in dynamic and static joints; paintable. a. Volatile Organic Compounds (VOC), maximum, ASTM D3960: 40 g/L. b. Hardness, Shore A, ASTM C661: 40.
c. Adhesion to Concrete, ASTM C794: 35 pli.
d. Tensile Strength, ASTM D412: 350 psi (2410 kPa).
e. Color: White.
L. Sheet Metal:
1. Clad metal.
2. 24-gauge counterflashing with hemmed edge and wind clips.
3. 24-gauge skirt metal with hemmed edge.
M. Roof Hatch: Match existing size.
1. Material: 14 gauge G-90 paint bond galvanized steel.
2. Cover: Brake formed, hollow-metal design with 1” fiber board insulation, 3” beaded, overlapping flange, fully welded at corners, and internally reinforced for 40 psf live load.
3. Curb: 12” in height with integral cap flashing, 1” fiberboard insulation, fully welded at corners, and 3-1/2” mounting flange with 7/16” holes provided for securing frame to the roof deck.
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4. Gasket: Extruded EPDM rubber gasket permanently adhered to cover.
5. Hinges: Heavy-duty pintle hinges with 3/8” Type 316 stainless steel hinge pins.
6. Latch: Slam latch with interior turn handles and padlock hasps.
7. Finish: Alkyd base red oxide primer.
8. Hardware: Engineered composite compression spring tubes with steel compression springs packed in grease. All other hardware is zinc plated/chromate sealed.
N. Hatch Safety Railing:
1. 1 ¼” schedule 40 pipe in 6061 T6 aluminum alloy for posts and rails.
2. Cast aluminum locking mechanism and type 316 stainless steel spring hinges and fasteners.
3. Meet OSHA 29 CFR 1910.23 requirements.
4. Safety yellow powder coat paint finish.
O. Skylight Screen Systems, General: Fall protection screen components including wire mesh screen, frame, fittings, and accessories as required for complete installation complying with requirements of authorities having jurisdiction.
1. Application: Curb-mounted perimeter screen frame.
2. Application: Standing seam metal roof-mounted perimeter screen frame clamped to standing seams with puncture-free set screws.
3. Application: Ribbed or corrugated metal roof-mounted perimeter screen frame.
4. Frames: Formed galvanized steel sheet.
5. Screen: Welded wire steel mesh, galvanized, 2 by 2 inches (51 by 51 mm).
P. Prefabricated Pipe Flashings: As recommended by roof membrane manufacturer.
Q. Miscellaneous Accessories: Provide pourable sealers, clad metal, preformed cone and vent sheet flashings, preformed inside and outside corner sheet flashings, T-joint covers, lap sealants, termination reglets, and other accessories.
2.6 SUBSTRATE BOARD
A. Substrate Board:
1. Gypsum panel, glass-mat-faced, ASTM C1177/C1177M.
a. Thickness: 1/2 inch (12 mm).
B. Insulation Fasteners: Factory-coated steel fasteners and metal plates complying with corrosion-resistance provisions in FM Approvals 4470, designed for fastening roof insulation and cover boards to substrate, and acceptable to roofing system manufacturer.
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2.7 WALKWAY MATERIALS
A. Walkway / Protection Mat Material:
1. Protection mat, reinforced KEE membrane mat with serrated slip-resistant surface and enhanced puncture resistance, fabricated for heat welding to compatible KEE membrane surface. a. Mat Size: 28 inches by 48 feet (710 mm by 13.1 m).
b. Thickness: 0.234 inch (5.9 mm).
c. Puncture resistance: 850 lbs (148 kN/m).
d. Tear strength: 350 lbs (60 kN/m).
e. Color: Yellow.
B. Rubber blocks: 100% rubber blocks with steel channels and reflective strips designed for supporting conduit.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates, areas, and conditions, with Installer present, for compliance with the following requirements and other conditions affecting performance of roofing system:
1. Verify that roof openings and penetrations are in place and curbs are set and braced and that roof drain bodies are securely clamped in place.
2. Verify that wood cants, blocking, curbs, and nailers are securely anchored to roof deck at penetrations and terminations and that nailers match thicknesses of insulation.
B. Proceed with installation only after unsatisfactory conditions have been corrected.
3.2 PREPARATION
A. Clean substrate of dust, debris, moisture, and other substances detrimental to roofing installation according to roofing system manufacturer's written instructions. Remove sharp projections.
B. Prevent materials from entering and clogging roof drains and conductors and from spilling or migrating onto surfaces of other construction. Remove roof-drain plugs when no work is taking place or when rain is forecast.
C. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at the end of the workday or when rain is forecast. Remove and discard temporary seals before beginning work on adjoining roofing.
3.3 INSTALLATION, GENERAL
A. Install roofing system in accordance with manufacturer’s written instructions and approved details.
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B. NRCA Installation Details: Install roofing system in accordance with applicable NRCA Manual Plates and NRCA recommendations; modify as required to comply with manufacturer's approved details and perimeter fastening requirements.
3.4 SUBSTRATE BOARD INSTALLATION
A. Coordinate installing membrane roofing system components so substrate board is not exposed to precipitation or left exposed at the end of the workday.
B. Substrate Boards: Install substrate boards over existing insulation system with long joints in continuous straight lines with end joints staggered between rows. Offset joints of insulation below a minimum of 6 inches (150 mm) in each direction. Loosely butt cover boards together.
1. Secure cover boards to resist uplift pressure at corners, perimeter, and field of roof.
2. Fasten substrate board to resist uplift pressure at corners, perimeter, and field of roof.
3.5 MECHANICALLY FASTENED MEMBRANE ROOFING INSTALLATION A. Mechanically fasten membrane roofing over area to receive roofing and install according to roofing system manufacturer's written instructions.
B. Start installation of membrane roofing in presence of roofing system manufacturer's technical personnel.
C. Accurately align membrane roofing and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps.
D. Mechanically fasten or adhere membrane roofing securely at terminations, penetrations, and perimeter of roofing.
E. Apply membrane roofing with side laps shingled with slope of roof deck where possible.
F. In-Seam Attachment: Secure one edge of membrane sheet using fastening plates or metal battens centered within membrane seam and mechanically fasten membrane sheet to roof deck.
G. Metal Stress Plate Installation:
1. Locate plates in grid pattern in accordance with membrane manufacturer's instructions.
2. Install plates in straight rows in the specified number and spacing to achieve the required wind uplift resistance in the main field, edges and corners of the roof.
3. Install plates and separation pads using fasteners that comply with the specified applicable building code wind uplift rating and the fastener and membrane manufacturer's requirements.
Ensure that all fasteners are properly driven normal to the surface of the sub-structure. Do not over-drive fasteners; plates that are recessed into and/or not flush with the surface of the insulation are not acceptable.
H. Welded Seams: Clean seam areas, overlap membrane roofing, and hot-air weld side and end laps of membrane roofing and sheet flashings according to manufacturer's written instructions to ensure a watertight seam installation.
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1. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut edges of sheet membrane.
2. Verify field strength of seams a minimum of twice daily and repair seam sample areas.
3. Repair tears, voids, and lapped seams in roofing that does not comply with requirements.
I. Spread sealant bed over deck drain flange at roof drains and securely seal membrane roofing in place with clamping ring.
3.6 BASE FLASHING INSTALLATION
A. Install sheet flashings and preformed flashing accessories and adhere to substrates according to membrane roofing system manufacturer's written instructions.
B. Apply bonding adhesive to substrate and underside of sheet flashing at required rate and allow to partially dry. Do not apply to seam area of flashing.
C. Flash penetrations, supports, and field-formed inside and outside corners with cured or uncured sheet flashing. Seal top of flashing with butyl tape between membrane and penetration and secure with stainless steel pipe clamps. Three course pipe clamps on square and irregular shaped penetrations with acrylic sealer and polyester reinforcement.
D. Terminate field membrane at base of I beam supports and other irregular penetrations. Install fully reinforced liquid applied flashing system 6” up the support/penetration. Grind down to bare metal and prime prior to installation.
E. Install new counterflashing and wind clips at all locations.
F. Install new skirt metal counterflashing at equipment curbs and skylights.
G. Seal cracks in top of efis wall and vertical portion on roof side. Prime and surface that portion of the wall with masonry primer and masonry coating system. Finish with paint matching the existing wall.
H. Install new clad base flashings and pelican hoods for insulated lines and multiple lines going through the same opening.
I. Remove prior repairs over coping joints and fasteners. Seal joints and fasteners with silicone sealant and silicone extrusions.
J. Seal the top of all wind screen supports with polyurethane sealant. Grind to bare metal and prime prior to sealant application.
K. Install liquid applied flashing system through drain bowls and 2” into the outlet. Grind down to bare metal and prime prior to installation.
L. Seal all vent, duct, and pan seams and fasteners with acrylic sealer and polyester reinforcement. Surfaced passive vents, ducts, and pans with metal coating system at a rate of 3 gallons per square. Prepare and prime metal prior to coating application.
M. Install a new roof hatch and roof hatch safety railing at the existing location. Follow manufacturer’s written instructions for installation.
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N. Install new skylight guards over two existing skylights.
O. Clean seam areas, overlap, and firmly roll sheet flashings into the adhesive. Hot-air weld side and end laps to ensure a watertight seam installation.
P. Seal top termination of base flashing with a metal termination bar and a continuous bead of joint sealant.
3.7 WALKWAY INSTALLATION
A. Flexible Walkways: Install walkway products in locations indicated. Heat weld to substrate or adhere walkway products to substrate with compatible adhesive according to roofing system manufacturer's written instructions.
1. Install walkway sections under camera block supports.
B. Install rubber blocks to support conduit. Add additional rubber blocks to insure no more than 8’ between blocks. Add additional blocks at corners and where needed for proper support.
1. Set rubber blocks on oversized walkpad sections.
2. Loosely clamp conduit.
3. Existing rubber blocks with steel channels can be re-used if they meet specification requirements.
3.8 FIELD QUALITY CONTROL
A. Roofing Inspector: Contractor shall engage a qualified roofing inspector to perform roof tests and inspections and to prepare test reports.
1. Engage a qualified roofing inspector for full time inspection to perform roof tests and inspections and to prepare start up, interim, and final reports. Roofing Inspector's quality assurance inspections shall comply with applicable criteria established in NRCA's "Quality Control and Quality-assurance Guidelines for the Application of Membrane Roofing Systems." B. Final Roof Inspection: Arrange for roofing system manufacturer's technical personnel to inspect roofing installation on completion.
C. Repair or remove and replace components of membrane roofing system where inspections indicate that they do not comply with specified requirements.
D. Additional inspections, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements.
3.9 PROTECTING AND CLEANING
A. Protect membrane roofing system from damage and wear during remainder of construction period. When remaining construction will not affect or endanger roofing, inspect roofing for deterioration and damage, describing its nature and extent in a written report, with copy to Owner.
B. Correct deficiencies in or remove membrane roofing system that does not comply with requirements; repair substrates; and repair or reinstall membrane roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements.
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C. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.
END OF SECTION 075416
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 Attachment B –
Contractor’s Bid
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 City of Diamond Bar
City Hall Roof Rehabilitation Project (2/8/24), bidding on 02/28/2024 2:00 PM (PST)
Printed 03/20/2024
PlanetBids
DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 SUBCONTACTOR LIST - City Hall Roof Rehabilitation Project FP23505 SUBCONTRACTOR NAME PHONE NUMBER DIR # E-MAIL JOB DESCRIPTION GAMA Contracting Services, Inc (626) 442-7200 100000934 [email protected] Demolition and Asbestos DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868 DocuSign Envelope ID: D3A74D50-F444-4768-A8F1-04A95BAD6868