Metal Cover: Flush, insulated, hollow metal construction. Material: Galvanized steel, outer cover 14 gauge, .079 inch thick, liner 22 gauge, .034 inch thick. Finish: Powder coat white. Insulation: 1 inch rigid foam. Load Carrying Capacity: Capable of supporting 70 psf. live load. Gasket: Extruded EPDM rubber gasket adhered to cover, continuous around cover perimeter. Operating Hardware Material/Finish: Steel, zinc coated and chrome plate sealed, unless otherwise indicated or required by manufacturer. Lifting Mechanisms: Gas spring operator assists opening upon release of Covers open to 75 degrees. Hinges: Manufacturer’s recommended type for specified Hold-Open: Automatic locking hold-open arm with red vinyl coated handle for manual release. Latch: Inside latching device, with inside and outside handles and inside padlock hasp, automatically engages upon closing. PART 3 EXECUTION – 3.01 INSPECTION A. Verify that Milcor™ Roof Access Hatch installation will not disrupt other trades. Verify that the substrate is dry, clean, and free of foreign matter. Report and correct any defects prior to any installation. B. Verify by comparing packing slip and box label that product is per specification. 3.02 SURFACE PREPARATION A. Refer to manufacturer’s product literature for surface preparation requirements. Surfaces should be structurally sound, free of voids, spalls, loose aggregate and sharp ridges. Remove dust, dirt, debris or any other foreign materials. 3.03 INSTALLATION A. Submit product design drawings for review and approval to the Architect/Specifier before fabrication. B. Installer shall check as-built conditions and verify the manufacturer’s roof hatch details for accuracy to fit the applications prior to fabrication. The installer shall comply with the roof hatch manufacturer’s installation instructions. C. The installer shall furnish mechanical fasteners consistent with the roof requirements. 3.04 CLEANING AND PROTECTION A. Product requires no spill or leak containment. Dispose of damaged material in accordance with all governmental regulations. B. Protect completed work from subsequent construction activities as recommended by manufacturer. END OF SECTION 07 72 33
Metal Cover: Flush, insulated, hollow metal construction. Material: Galvanized steel, outer cover 14 gauge, .079 inch thick, liner 22 gauge, .034 inch thick. Finish: Powder coat white. Insulation: 1 inch rigid foam. Load Carrying Capacity: Capable of supporting 70 psf. live load. Gasket: Extruded EPDM rubber gasket adhered to cover, continuous around cover perimeter. Operating Hardware Material/Finish: Steel, zinc coated and chrome plate sealed, unless otherwise indicated or required by manufacturer. Lifting Mechanisms: Gas spring operator assists opening upon release of Covers open to 75 degrees. Hinges: Manufacturer’s recommended type for specified Hold-Open: Automatic locking hold-open arm with red vinyl coated handle for manual release. Latch: Inside latching device, with inside and outside handles and inside padlock hasp, automatically engages upon closing. PART 3 – EXECUTION 3.01 INSPECTION A. Verify that Milcor™ Roof Access Hatch installation will not disrupt other trades. Verify that the substrate is dry, clean, and free of foreign matter. Report and correct any defects prior to any installation. B. Verify by comparing packing slip and box label that product is per specification. 3.02 SURFACE PREPARATION A. Refer to manufacturer’s product literature for surface preparation requirements. Surfaces should be structurally sound, free of voids, spalls, loose aggregate and sharp ridges. Remove dust, dirt, debris or any other foreign materials. 3.03 INSTALLATION A. Submit product design drawings for review and approval to the Architect/Specifier before fabrication. B. Installer shall check as-built conditions and verify the manufacturer’s roof hatch details for accuracy to fit the applications prior to fabrication. The installer shall comply with the roof hatch manufacturer’s installation instructions. C. The installer shall furnish mechanical fasteners consistent with the roof requirements. 3.04 CLEANING AND PROTECTION A. Product requires no spill or leak containment. Dispose of damaged material in accordance with all governmental regulations. B. Protect completed work from subsequent construction activities as recommended by manufacturer. END OF SECTION 07 72 33