3.3 A. Install temporary protection at the end of day's work and when work is halted for an indefinite period, or work is stopped when precipitation is imminent. Comply with approved temporary protection plan. B. Install temporary cap flashing over the top of base flashings where permanent flashings are not in place to provide protection against moisture entering the roof system through or behind the base flashing. Securely anchor in place to prevent blow off and damage by construction activities. C. Provide for removal of water or drainage of water away from the work. D. Provide temporary protection over installed roofing by means of duckboard walkways, plywood platforms, or other materials, as approved by COR, for roof areas that are to remain intact, and that are subject to foot traffic and damage. Provide notches in sleepers to permit free drainage. 3.4 INSTALLATION, GENERAL: A. FM Approvals Installation Standard: Install roofing membrane, base flashings, wood blocking, curbs, and nailers, and component materials in compliance with requirements in FM 4450 and FM 4470 as part of a membrane roofing system as listed in FM Approval's "RoofNav" for fire/windstorm classification indicated. Comply with recommendations in FM Approvals' Loss Prevention Data Sheet 1-49, including requirements for wood nailers and cants. B. NRCA Installation Standard: Install roofing system in accordance with applicable NRCA Manual Plates and NRCA recommendations. C. Manufacturer Recommendations: Comply with roofing system manufacturer's written installation recommendations. D. Coordination with related work: Coordinate roof operations with roof insulation and sheet metal work so that insulation and flashings are installed concurrently to permit continuous roofing operations. E. Installation Conditions: 1. Apply dry roofing materials. Apply roofing work over dry substrates and materials. 2. Apply materials within temperature range and surface and ambient conditions recommended by manufacturer. 3. Except for temporary protection, do not apply materials during damp or rainy weather, during excessive wind conditions, nor while
3.3 A. Install temporary protection at the end of day's work and when work is halted for an indefinite period, or work is stopped when precipitation is imminent. Comply with approved temporary protection plan. B. Install temporary cap flashing over the top of base flashings where permanent flashings are not in place to provide protection against moisture entering the roof system through or behind the base flashing. Securely anchor in place to prevent blow off and damage by construction activities. C. Provide for removal of water or drainage of water away from the work. D. Provide temporary protection over installed roofing by means of duckboard walkways, plywood platforms, or other materials, as approved by COR, for roof areas that are to remain intact, and that are subject to foot traffic and damage. Provide notches in sleepers to permit free drainage. 3.4 INSTALLATION, GENERAL: A. FM Approvals Installation Standard: Install roofing membrane, base flashings, wood blocking, curbs, and nailers, and component materials in compliance with requirements in FM 4450 and FM 4470 as part of a membrane roofing system as listed in FM Approval's "RoofNav" for fire/windstorm classification indicated. Comply with recommendations in FM Approvals' Loss Prevention Data Sheet 1-49, including requirements for wood nailers and cants. B. NRCA Installation Standard: Install roofing system in accordance with applicable NRCA Manual Plates and NRCA recommendations. C. Manufacturer Recommendations: Comply with roofing system manufacturer's written installation recommendations. D. Coordination with related work: Coordinate roof operations with roof insulation and sheet metal work so that insulation and flashings are installed concurrently to permit continuous roofing operations. E. Installation Conditions: 1. Apply dry roofing materials. Apply roofing work over dry substrates and materials. 2. Apply materials within temperature range and surface and ambient conditions recommended by manufacturer. 3. Except for temporary protection, do not apply materials during damp or rainy weather, during excessive wind conditions, nor while
VA075416.docx