as specified by the Engineer. ‘c¢, Hardware: Doors shall be equipped with neoprene gaskets all around between closing edge of door and door frame; also Refrigerator Type, Cam and Handle Door Lock. ing Devices, hasp and hinge. ad. Frames: Each door shall have its respective steel door frame all welded construction as manufactured by the "Jumbo Steel Door Products Company", or equal, and shall be considered as an integral part of the door assembly. e. Paint: All doors and frames shall, after fabrication, have all millscale, oil, dust, dirt, grease, rust, spatter, slag, flux and other deleterious substances removed after which they shall receive two(2) thorough shop coats of "Zine-Chromate" oil base rust preventive primer -- color green. 9-07. SPECIAL STEEL BLAST DOORS: a. General: Where indicated on the drawings, Con- tractor is to furnish and install special blast proof doors and frames as detailed on the drawings and according to thes: specifications. b. Construction: Doors shall be made of steel all welded construction consisting of angle stiffener frame welded to door panel. Welding at all joints shall be continuous. Door plate thickness shall be as indicated on drawings. c. Hardware: All doors shall be equipped with one pair of hinges and one pair of latches and keepers. shall be fabricated from 3/8" thick bar stock. Hinges Latches and keepers shall be fabricated from 1/2" thick bar stock. hinges, latches and keepers shall be welded to doors and All door frames and be considered as an integral part of the door assembly. d. Frames: Each door shall have its respective steel door frame all welded construction with angle frame tightly fitted and welded together at corners. Continuous bars, acting as door jambs, heads and sill, shall be plug welded to angle frame. All frames shall be considered as an integral part of the door assembly. e. Paint: All doors, frames and hardware shall after fabrication be painted as per paragraph 9-06 e. of 9-2