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AHS
Angle frame,Heavy-duty,Single cover

Flush installation in new cast-in-concrete applications, reinforced for occasional, off-street AASHTO H20-44 wheel loading.

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STANDARD SIZES (custom sizes available)

FRAME OPENING Width x Hinge Side
24” x 24” [610mm x 610mm]
30” x 36” [762mm x 914mm]
24” x 36” [610mm x 914mm]
30” x 48” [762mm x 1219mm]
30” x 30” [762mm x 762mm]
36” x 36” [914mm x 914mm]

OPTIONS

  • Enclosed stainless steel horizontal springs for easy opening
  • Recessed staple and other locking devices
  • Frame skirts for easy casting into a concrete top slab
  • Fiberglass insulation with metal liner
  • Nut rails with stainless steel sliding nuts for attaching cable holders, brackets and other hardware
  • Custom lettering
  • Stainless steel safety chains with aluminum support posts
  • Fall Trough Prevention Systems
  • Slip resistant surface bonded to cover plate
  • Mill finish (no shop primer)
  • Hot dipped galvanized finish
  • All 304 stainless steel material
  • All 316 stainless steel material
 

STANDARD SPECIFICATIONS

The angle frame floor access door shall be Model AHS as manufactured by U.S.F. Fabrication, Inc. with the size being specified on the plans.

Cover: 1/4-inch (6.4mm) steel diamond plate cover reinforced for occasional, off-street AASHTO H20-44 wheel loading. Equipped with steel flush lifting handle and 316 stainless steel hold-open arm with red vinyl grip that automatically keeps the cover in its open/upright position. (Upon request, manufacturer shall provide structural calculations showing that the door design meets the loading requirements of AASHTO H20-44.)
Lift Assist: Open stainless steel horizontal springs for easy opening
Frame: 1/4-inch (6.4mm) steel angle with steel anchors welded to frame for casting into concrete.
Hardware: Tamper resistant hinges with recessed stainless steel pins and lugs.
Security: A 316 stainless steel slamlock with thread plug, removable outside key and fixed inside handle. The slamlock latches onto a 316 stainless steel striker plate that is bolted to the frame.   
Finish: Cover and frame have one coat of shop primer.
Installation: Installation shall be in accordance with the manufacturer’s 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.
Warranty: Manufacturer shall guarantee against defects in materials and workmanship for a period of five years.

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