Massport #27-17

East Somerville Community School façade panel stabilization and joint-sealant work

The City of Somerville is seeking a contractor to temporarily stabilize façade panels at East Somerville Community School. - Buyer: City of Somerville, Massachusetts; Procurement and Contracting Services Department, with IAM Capital Projects managing the work. The solicitation names Deborah Mitrano. - Scope and quantities: Install joint sealant on four sides of typical panels, including required substrate preparation and weep vents: 8,000 linear feet on the north elevation, 2,000 linear feet on the east elevation, and 5,500 linear feet on the west elevation. Install 300 galvanized steel washers at panel corners adjacent to openings, and allow for 500 linear feet of backer rod at vertical joints where existing plastic spacers are missing. Mobilization and general project requirements are also included. - OEMs and named organizations: Sika is specified for Sarnaplates washers, or an approved equivalent; washers must be at least 26 gauge. The existing panel track is identified as the Gridworx system. Simpson Gumpertz & Heger Inc. is named as the project designer, not as a bidder or product vendor. - Other requirements: The contractor must record actual backer-rod use for unit-price billing, coordinate logistics and any temporary door closures with the City and school, and direct pedestrians with signage. Work is subject to Massachusetts prevailing wages and specified quality, safety, and training requirements. - Estimated construction cost: $200,000.

Description

The City of Somerville is soliciting filed sub-bids for joint sealants and temporary stabilization of façade panels at East Somerville Community School. Work includes applying joint sealant to masonry panels, installing washers at panel corners adjacent to openings, and installing backer rod at certain vertical joints. The bid package includes an alternate to omit primer, and Addendum 1 revised the sub-bid form to add an allowance for 500 linear feet of backer rod. Sealed bids are due October 8, 2026, at 3:00 PM EDT; the source lists an estimated construction cost of $200,000.

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