SPEC WRITER NOTE: 1. Do not put expansion joints at roof membrane 2. Design joints to be installed on curbs minimum 200 mm (8 inches) high. 3. Detail expansion joint. Install base flashing on curbs as specified. Coordinate installation with // metal expansion joint cover // roof expansion joint system //. Install flexible tubing 11/2 width of joint centered over joint. Cover tubing with flashing sheet adhered to base flashing and lapping base flashing roofing manufacturer's standard dimension. Finish edges of laps with lap sealant. Repairs to Membrane and Flashings: Remove sections of roofing membrane or flashing sheet that are creased, wrinkled, or fishmouthed. Cover removed areas, cuts and damaged areas with patch extending 100 mm (4 inches) beyond damaged, cut, or removed area. Adhesively splice patch to roofing membrane or flashing sheet. Finish edge of lap with lap sealant. WALKWAY PAD INSTALLATION Clean membrane where pads are applied. Adhere pads to membrane with splicing cement. Layout with minimum 25 mm (1 inch) and maximum 50 mm (2 inch) space between pads. BALLAST AND INSTALLATION SPEC WRITER NOTES: 1. Use pavers in the following locations as a minimum: a. At working and access areas of equipment requiring servicing. b. At equipment having discharges detrimental to roof membrane, under gooseneck discharges from kitchens and chemical exhausts. c. At landing points for hatches, ladders, and doors entering roof level. 2. Confirm that walkways and pavers are shown on drawings. 3. Confirm location of aggregate ballast and weight for each location are shown on drawings if not specified. 4. Design the rate of aggregate ballast applied and paver system according to
SPEC WRITER NOTE: 1. Do not put expansion joints at roof membrane 2. Design joints to be installed on curbs minimum 200 mm (8 inches) high. 3. Detail expansion joint. Install base flashing on curbs as specified. Coordinate installation with // metal expansion joint cover // roof expansion joint system //. Install flexible tubing 11/2 width of joint centered over joint. Cover tubing with flashing sheet adhered to base flashing and lapping base flashing roofing manufacturer's standard dimension. Finish edges of laps with lap sealant. Repairs to Membrane and Flashings: Remove sections of roofing membrane or flashing sheet that are creased, wrinkled, or fishmouthed. Cover removed areas, cuts and damaged areas with patch extending 100 mm (4 inches) beyond damaged, cut, or removed area. Adhesively splice patch to roofing membrane or flashing sheet. Finish edge of lap with lap sealant. WALKWAY PAD INSTALLATION Clean membrane where pads are applied. Adhere pads to membrane with splicing cement. Layout with minimum 25 mm (1 inch) and maximum 50 mm (2 inch) space between pads. BALLAST AND INSTALLATION SPEC WRITER NOTES: 1. Use pavers in the following locations as a minimum: a. At working and access areas of equipment requiring servicing. b. At equipment having discharges detrimental to roof membrane, under gooseneck discharges from kitchens and chemical exhausts. c. At landing points for hatches, ladders, and doors entering roof level. 2. Confirm that walkways and pavers are shown on drawings. 3. Confirm location of aggregate ballast and weight for each location are shown on drawings if not specified. 4. Design the rate of aggregate ballast applied and paver system according to