Parking Lot Traffic Angle Frame Heavy Duty Loading Double Door

  1. Our Products
  2.  » 
  3. Steel Floor Access Doors
  4.  » Parking Lot Traffic Angle Frame Heavy Duty Loading Double Door

The heavy-duty angle type floor access door is designed for interior and exterior applications where watertightness is not required. It is designed to receive AASHTO H-20 wheel loads in parking lots and alley ways where the posted speed limit does not exceed 15mph.

Useful Downloads


Material: Steel (hot dipped galvanized) and stainless steel
Frame: 1/4” material with anchoring system welded to the frame and skirt for 12” top slab
Covers: 1/4” diamond plate reinforced for AASHTO H-20 wheel loads
Hardware: All 316 SS nuts, bolts and washers
Hold-Open Device: 316 SS Hold-open arm with secondary latch mechanism
Lock Device: Cover(s) shall be bolted to the frame with 316SS bolts
Lift Assist: Stainless steel springs or gas shocks
Lift Handle: Recessed lift handle(s) lay flush with top of cover
Warranty: Five (5) years

Optional Features

  • Enclosed stainless steel springs
  • Skirts for concrete slabs deeper than 12 inches
  • Nut rails with stainless steel sliding nuts for attaching hardware
  • Custom lettering
  • Stainless steel safety chains and posts
  • Fall Through Protection Systems
  • All 304 stainless steel material
  • All 316 stainless steel material
  • Slip resistant surface bonded to cover plate


The floor access door shall be Model P-AHD as manufactured by USF Fabrication, Inc., with the size being specified on the plans. Door leaves shall be 1/4-inch thick steel 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 loading requirements of AASHTO H-20-44. The frame shall be 1/4-inch thick steel angle with anchors welded to the frame for casting into concrete. In the closed position, the covers shall be bolted to the frame with 316 stainless steel bolts. (The bolts must be securely fastened whenever the covers are closed to insure safe and proper performance of the door.) The floor access door shall be equipped with a flush steel lifting handle that does not protrude above the cover, and 316 stainless steel hold open arms with secondary latch mechanism that automatically lock the covers in their upright, open positions. A steel skirt shall be welded to the frame to provide a combined height equal to the depth of the concrete slab. The door shall have tamper resistant hinges with recessed stainless steel pins and lugs. The door shall have open, stainless steel, vertical, compression springs to assist in opening the door and reducing the force during closing. The floor access door shall have a hot-dipped galvanized finish. Installation shall be in accordance with the manufacturer’s attached instructions. The entire frame, including the seat on which the reinforcing rests, shall be supported by concrete or other material designed to support the specified load. 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 five years.

Light Vehicular / Occasional Truck Traffic

ASTM C1802-20 Load Level 3 & 4