CCAC West Hills Campus WHC Main Roof Project WHC Main Roof Project
Date of Issue (05/26/2022)
SECTION 075419 - POLYVINYL-CHLORIDE (PVC/TPA) ROOFING PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1.
Adhered thermoplastic PVC roofing system on metal deck, including: 2. Replace all drains with new cast iron drain bowels. Install three (3) new cast iron drain bowls and cast iron piping. All drain bowls and new piping to be insulated. 3. Install KEE Safety as defined in safety layout. 4. Recertify lightning protection system when roof is completed. 5. Tear off EPDM membrane to existing 2 inch isocyanurate. There will be a 20 square allowance for wet and damaged 2" isocyanurate in the base bid and an unit price after that. Install new tapered insulation with 1.5 inch minimum and 1/8" slope. 6. CCAC will be responsible for having solar panels removed and reinstalled to accommodate the roofing contractor. 7. Install 60 mil Tremco TPA membrane, color to be chosen by CCAC from white, dark grey or tan. 8. 240' feet of walkway will be included in the base bid B. Unit Prices: Refer to Division 01 Section "Unit Prices" for description of Work in this Section affected by unit prices. 1.2 DEFINITIONS A. Roofing Terminology: Refer to ASTM D1079 "Standard Terminology Relating to Roofing and Waterproofing" and glossary in applicable edition of NRCA's "The NRCA Roofing Manual: Membrane Roof Systems" for definition of terms related to roofing work in this Section.
1.3
PREINSTALLATION MEETINGS
A. Preinstallation Roofing Conference: Conduct conference at Project site. 1. Meet with Owner, Owner's insurer if applicable, testing and inspecting agency representative, roofing Installer, roofing system manufacturer's representative, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment. 2. Review drawings and specifications.
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