The H1R (single leaf) and H2R (double leaf) series access frames and covers as manufactured by Halliday Products, Inc. of Orlando, Florida shall have a 1/4 inch (7mm) thick, one-piece, mill finish, extruded aluminum frame, incorporating a continuous concrete anchor. The inside of the frame shall have a door-support ledge on two (2) sides. Both frame and ledge must be supported by a full bed of Class A concrete. The door panels shall be 1/4" (7mm) aluminum diamond plate, reinforced to withstand a live load of the H-20, Uniform live load. Doors shall open to 90 degrees and automatically lock with a T-316 stainless steel hold open arms with release handles. For ease of operation, doors shall incorporate enclosed stainless steel compression spring assists. Doors shall close flush with the frame. Hinges and all fastening hardware shall be T-316 stainless steel. Unit shall lock with a T-316 stainless steel slam lock with removable keys and have a non-corrosive handle. Unit shall carry a lifetime guarantee against defects in material and/or workmanship.