Roof Replacement at the DPW Building

Roof Replacement at the DPW Building. DCAMM Certification Categories: General Construction and Roofing 5% Bid Bond. 100% Payment and Performance Bonds (post award). Prevailing Wages. OSHA Repair and replace sub-roof system including timber support, decking, base layer etc. and replace the roof on the Northeast and East side of the DPW building. Scope: Are of roof to be replaced: 32,000 sqft Remove existing roofing system: Remove deck system to substrate. Remove all debris, stone and associated materials. Replace any damaged materialso All materials disposed of by awarded contractor. Provide and Install: One layer of 2x6 ACQ or PT wood nailers along perimeters and fasten 12" O.C. 5/4x6 P.T. wood blocking along all perimeters and fasten. Plywood at wall details and fasten, 2" isocyanurate insulation and fasten 1/4 " S.F. using 6" screws and 3" insulation plates. 6" Russ strip along all walls and curb details and fasten 12" O.C. .060 EPDM (White) adhered roofing system per manufacturers details and specifications. Flashings at ALL vent details per manufacturers specifications. Fabricate and install .032 aluminum drip edge along all edge perimeters and strip into system with edge tape per manufacturers instruction and specifications. Fabricate and install all necessary counterflashing at wall details. Other: All surfaces must pitch to appropriate roof drains.All work must be within normal industry standards and meet all building codes. Provide and furnish all cranes and dumpsters as needed. Remove all job-related debris from site. Provide minimum of 15-year Total System Warranty. Bidders may submit bids in any of the following ways. All bids will be timestamped and must be received no later than due date and time. 1) Deposit your sealed bid package in the black drop box located by the School Street entrance to City Hall, located near the corner of School Street and 93 Highland Avenue. 2) Sealed bids can be sent to City Hall through the US Postal Service or other delivery service (e.g. FedEx, UPS). 3) BidExpress.com is an online bidding platform where bidders can submit all required documents. The fee to use this service is approximately $40.00 unless your company has a subscription with BidExpress. You can access the bid package and forms via the City of Somerville BidExpress page. A user guide is attached for your reference. 4) For any technical assistance while submitting the online bid, please contact the BidExpress Customer support team at www.bidexpress.com. Bidders may submit bids in any of the following ways. All bids will be timestamped and must be received no later than due date and time.

32,000 SF.

Division 07 -

Thermal and Moisture Protection, Dampproofing and Waterproofing, Thermal Protection.