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STANDARD SPECIFICATIONS: The floor access door shall be Model AHS as manufactured by U.S.F. Fabrication, Inc. with the size being specified on the plans. Door leaf shall be 1/4-inch thick aluminum diamond plate reinforced for an AASHTO H-20-44 wheel load. Upon request, manufacturer shall provide structural calculations showing that the door design meets the requirements of AASHTO H20-44. (The floor access door is designed for off-street locations that may occasionally receive AASHTO H-20-44 wheel loads.) The frame shall be extruded aluminum with an integral anchor flange and door seat on all four sides. The floor access door shall be equipped with a flush lifting handle that does not protrude above the cover, and a stainless steel hold open arm with red vinyl grip that automatically keeps the cover in its upright, open position. The door shall have stainless steel hinges and stainless steel tamper resistant bolts/locknuts. The door shall have stainless steel open horizontal springs to assist in opening the cover and reducing the force during closing. The door shall be equipped with a watertight stainless steel slamlock with threaded plug, removable outside key, and fixed inside handle. The slamlock must latch onto a stainless steel catch that is bolted to the frame. All parts of the frame in contact with concrete shall have a coating of bituminous paint. An adhesive backed vinyl material that protects the product during shipping and installation shall cover the entire top of the frame and cover. Installation shall be in accordance with the manufacturer’s attached instructions. The entire frame including the seat on which the reinforcing rest shall be supported by concrete or other material designed to support the cover loading. The door shall be manufactured and assembled in the United States. Manufacturer shall guarantee the door against defects in materials and workmanship for a period of ten years.
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