30" x 30" Heavy Duty Watertight Floor Access Door
This access door is watertight; the door lid is fabricated with 1/4" aluminum diamond plate designed to support H20 loading (without impact) with maximum deflection of 1/150th of span. Frame shall be 1/4" extruded aluminum channel-type frame with a 1/8" neoprene cushion and continuous anchor flange and a 1 1/2" drain coupling welded to the underside.
Door shall open 90 degrees and automatically lock in that position with a stainless-steel hold open arm with a red vinyl grip. Door lid shall be equipped with a recessed light handle. hinges shall be all stainless steel and attached with tamperproof fasteners. All hardware shall be grade 316 stainless steel. Doors shall have a mill finish with a bitumastic coating applied to the exterior of the frame to prevent hydrolysis with concrete.
Doors shall be equipped with a stainless-steel spring assists which shall provide a smooth and controlled operation when opening and closing door. Operation will not be affected by temperature. Door shall be equipped with a stainless-steel slam lock with a cover plug and removeable handle. Door shall be furnished with a peel-off protective cover to protect fish from concrete splatter.
Underside of lid shall visibility tape applied for safety.