689 Massachusetts Avenue Roof Replacement – General Contractors
City of Cambridge
Original Solicitation Links
COC-CIFB-FY27-31196GC
]689 mass ave roofing replacement - general contractors
Contact
Submission Instructions
Description
The City of Cambridge is soliciting sealed general bids for roof replacement and minor envelope repairs at 689 Massachusetts Avenue. The estimated project value is $1,400,000. Work includes removal of existing roofing assemblies; installation of a fully adhered 60-mil EPDM membrane roofing system with vapor retarder, polyisocyanurate and tapered insulation, cover board, flashings, and related accessories; roof deck repairs; replacement of roof drains, scuppers, downspouts, roof hatch, ladder, safety guardrails, walkway pads, equipment supports, and selected doors and envelope elements; and associated masonry, concrete, sheet-metal, plumbing, and sealant work. The project will be performed at an occupied and operational facility. General bidders must submit DCAMM eligibility and update documentation in the General Building Construction category, along with the required bid deposit and municipal forms. The contract term is 11 months, beginning no later than seven days after receipt of the written Notice to Proceed. Performance and payment bonds, each equal to 100 percent of the contract sum, and specified insurance coverage are required.
Classification Codes
Smart Codes
Specifications
Timeline
Requirements
- Owner's Protective Liability — $1,000,000.00
- Commercial General Liability — $1,000,000.00
- Automobile Liability — $1,000,000.00
- Contractor Pollution Liability — $1,000,000.00
- Excess Umbrella Liability — $5,000,000.00
- Workers' Compensation
- Bid Bond — 5%
- Performance Bond — 100%
- Payment Bond — 100%
- Client point of contact required for each reference
Documents
| Title | Date Posted |
|---|---|
| BID PACKAGE 31196 | Sep 16, 2026 04:49 PM |
| 31196 Mass Ave Roof Replacement | Sep 16, 2026 04:49 PM |
| 2026-09-09_689 Mass Ave Roofing Replacement_100-Percent-CD_Compressed | Sep 16, 2026 04:49 PM |
| Project Document | Sep 17, 2026 12:00 PM |
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