Cholla High School Roof Replacement Project

The Work of Project is defined by the Contract Documents and consists of the following: Roof Replacement: 1. Remove existing built up roof down to the structural deck and dispose of per local requirements. 2. Remove existing wall flashings and dispose of per local requirements. 3. Clean and prime steel deck as needed; repair or replace damaged or rusted/corroded deck. 4. Remove and replace all existing metal flashing, including but not limited to roof edge flashing, copings, base flashing, counterflashing, roof-penetration flashing, and parapet scuppers unless noted otherwise. 5. Remove all wood and PVC blocks supporting ductwork and piping/conduit. All ductwork and piping/conduit on roof shall be supported using factory fabricated assemblies of solid base polycarbonate, high density polypropylene plastic, recycled tire rubber, galvanized, or stainless steel. 6. Provide and install factory tapered crickets as required to create positive slope to drains and to eliminate ponding areas. 7. Provide and install roof insulation, mechanically attached or adhered to structural deck per specifications, and cover board, adhered to roof insulation. 8. Provide and install one layer of approved SBS-modified bitumen base sheet and one layer of approved SBS-modified bitumen cap sheet as indicated on Drawings. 9. Provide and install one layer of approved SBS-modified bitumen base flashing sheet and one layer of approved high-performance fabric reinforced thermoplastic membrane in approved flashing adhesive. 10. Clean and remove all debris caused by new construction. 11. Provide contractor’s 2-year warranty and manufacturer’s 20-year minimum roof material and labor warranty. 12. The roofing manufacturer shall submit an “Intent to Warrant” document and that document shall be included in the bid / quote submission. 13. Associated work as indicated on Drawings.

Division 07 -

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