SERIES S-S ACCESS DOOR (STANDARD WITH SPRING ASSIST) Specification: The S1S (single leaf) and S2S (double leaf) series access frames and covers as manufactured by Halliday Products, Inc. of Orlando, Florida shall have a 1/4" (7mm) thick one-piece, mill finish, extruded aluminum frame, incorporating a continuous concrete anchor. A bituminous coating shall be applied to the frame exterior where it will come in contact with concrete. Door panel shall be 1/4" (7mm) aluminum diamond plate, reinforced to withstand a live load of 300 lbs. psf (1464 kg. psm). Uniform live load with a maximum allowable deflection of 1/150 of the span. Doors shall open to 90 degrees and automatically lock with a T-316 stainless steel hold open arm with aluminum release handle. For ease of operation, the hold open arm shall incorporate an enclosed stainless steel compression spring assist. Doors shall close flush with the frame and rest on a built-in neoprene cushion/gasket. Hinges and all fastening hardware shall be T-316 stainless steel. Unit shall lock with a T-316 stainless steel slam lock with removable key and have a non-corrosive handle. Unit shall carry a lifetime guarantee against defects in material and/or workmanship.