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METAL DOORS & FRAMES Section 08100 15-1207 E. Cutout: Make cutouts for required louvers and glazing. F. Preparation for Hardware: Factory prepare and reinforce doors for indicated finish hardware. Make cutouts and mortises for mortise hardware. 1. Provide 7 ga. (0.167 in., 4.2 mm) offset steel reinforcement for hinges; 12 ga. (0.093 in., 2.3 mm) for locksets and surface applied hardware. All thicknesses provided are minimum. 2. Internal reinforcing shall prevent collapse of face sheets by stress of lockset installation. Provide reinforcement on both faces of all doors for surface mounted closers (regular and parallel arm type) whether or not closers are indicated. 3. Perform drilling and tapping for mortise hardware at factory to templates furnished by hardware vendor. Drilling and tapping for surface applied hardware by hardware installer. 4. Doors and frames to be prepared for finish hardware per templates supplied by the hardware supplier. G. Louvers and Vision Frames: Factory prepare and reinforce doors as necessary for louvers and vision frames. Metal Vision Frames by Anemostat or approved equal shall be 20 gauge (0.042 in., 1.0mm) C.R.S. low profile, two-piece with mitered and welded corners with counter- sunk mounting holes for flush assembly. Frame shall be factory galvanized and field painted to match door color. Size as required for door and glass thickness. Frame shall be fire rated where noted in door schedule. 2. Louvers (fixed): Anemostat Door Products PLSL louver with 12 gauge cold rolled steel security grille, 20 gauge cold rolled steel non -vision louver blades, non -rated with galvanized steel (zinc plated) finish at interior and exterior location, field painted. Provide insect screens at exterior locations. 2.03 PRESSED METAL FRAMES A. General: Welded type per CS242 as minimum requirements, plus additional requirements specified herein. Shop fabricate with straight arises, edges and corners; surface free from warp, wave, buckle, dents or other defects. Use of excessive metallic filler to conceal manufacturing defects is not acceptable. 1. All pressed metal steel frames shall be formed from A60 Galvanealled sheet steel, conforming to ASTM A653-96. B. Fabrication: Manufacturer's standard, modified where shown, 16 ga. (0.053 in., 1.3 mm) steel, cross section profile as shown, depth to suit wall thickness. Header and jambs secured at corners by internal welding of faces or by welded splice plates, and further secured at webs by welding or mechanical interlock; exposed joints neat and tight. Provide two (2) temporary metal spreaders at bottom of frames to maintain rigidity. Welding per applicable standards of AWS for high grade hollow metal work. See paragraph E. below for required moisture proofing/sound deadening coating. At joints of intersecting mullions, seal with 3M Lightweight Body Filler followed by 3M Ultrapro MSP Sprayable Seam Sealer. :1!