Design-Build Infrastructure - Roof Replacement

Removal/demo of existing roof and insulation material down to the metal decking. Installation of R-20 polyisocyanurate insulation and fully adhered polyester reinforced 80-mil thick KEE modified PVC membrane with low VOC adhesive system Installation of new 24-gauge Kynar finished steel copings Walkways and protection pads to all roof top equipment Disconnect and reconnect MEP as required to perform work and meet code and roof manufacture requirements. Remove and replace expansion joint covers, expansion joints, flashing, pitch pans, and strainers. Replace damaged/rotten nailers and blocking and modify to meet requirement for new system. Modify curbs and penthouse curbs to meet required height due to increase in insulation height. If height cannot be raised to required height provided detail and warranty for the detail. Installation of sumps around drains while retaining existing drain levels. Provide temporary water diversion or drainage during roof replacement Inspect and confirm existing roof drains are clean and clear. Clean-up of roof areas at completion of roof work, removal of debris from roof top and drains. Final sweeping and cleaning. The GWCC is interested in receiving a 30-year manufacturer warranty on the new roof.

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