Renovation of a transportation facility in Somerville, Massachusetts. Completed plans call for the renovation of a transportation facility.

Work consists of demoing the existing roofing system and installation of a new roofing system, throughout the BET facility. Question Deadline 06/29/2026 All questions about the meaning and intent of Bid Documents shall be submitted in writing, to the Capital Delivery Project Manager of the Massachusetts Bay Transportation Authority, at the address specified in the Notice to Bidders. To be given consideration, all questions must be received at least 10 days prior to the date fixed for the opening of Bids The Work consists of: 1. Modification of the existing roofing assembly to allow installation of a new roofing assembly, installed throughout the Boston Engine Terminal Facility, refer to SKA-01 for concept roofing assembly details. a. The Authority will provide the following materials: 1) 338,000 sq ft of 90 mil Sure-Seal EDPM membrane by Carlisle 2) 5,650 gallons of EPDM x-23 Low VOC Bonding Adhesive by Carlisle 3) 338,000 sq ft of USG Securerock UltraLight Coated Glass-Mat Roof Board by Carlisle 4) 355,000 sq ft of 2" InsulBase polyisocyanurate Insulation by Carlisle 5) 1,500 30x30 walkway pads, Pressure-Sensitive Molded Walkway Pads by Carlisle b. Refer to Bid Items 0211.000 - Demolition, 0750.000 - Membrane Roofing, 0751.025 - Roof Drains, 0720.001 - Rigid Insulation and 1695.000 - Lightning Protection System for additional information. 2. Demolition of the existing standing seam roofing assembly at the 'ROOF OVER WALKWAY, as shown on sheet CS-001 in Appendix C, and providing a new standing seam roofing assembly to match existing. a. Refer to Bid Item 0001.200 - ALTERNATE NO. 2 (LS) for additional information. 3. Demolition of the existing skylight assemblies located at column grids C21~C31, B9~B30 and B31~B45, refer to sheet CS-001 in Appendix C. a. Refer to Bid Item 0001.100 - ALTERNATE NO. 1 (LS) for additional information.