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23 <br /> SCHEDULE A <br /> SPECIFICATIONS <br /> REAR BODY SPECIFICATIONS <br /> Framing for the body, underbody and roof shall be constructed of steel and aluminum sections. <br /> Steel structural members shall be arc welded or riveted and reinforced at joints to fulfill the <br /> dynamic and static loading requirements specified herein. Where splices are necessary, they <br /> shall be designed to avoid stress concentration. Splice welds shall be continuous. Welding <br /> material shall be compatible with the material being welded. Structural member shall be designed <br /> to accept the loads imposed by the factors specified. Additional structural members shall be <br /> furnished to reinforce door and window openings, the expandable side room opening and other <br /> openings. <br /> CROSSMEMBERS Four inch high-tensile I-beams. 80,000 PSI min. yield on 16 in. <br /> centers. Attached with four 3/4 in. grade 5 cadmium plated steel bolts. <br /> Extra wide 5 in. steel end clips welded to cross members and <br /> separated by .020 thick Formica plus Mylar electrolysis barriers <br /> between cross members and aluminum lower rail. <br /> DOOR FRAMES, EXT. Exterior door frames to be made from formed 2 in. by 3 in. 1/8 in. <br /> thick aluminum tubing. <br /> FLOOR, GENERAL A composite floor system consisting of a 1 in. thick polyester- <br /> fiberglass mix, with three 5/16 in. diameter heat-treated torque head <br /> screws per 12 sq. in. including edge boards on an alternating flange. <br /> FLOOR, STORAGE A fiberglass reinforced composite floor system in the storage area <br /> with 800 lb. storage capacity. Use 54 in. galvaneal and aluminum <br /> posts welded at top and bottom, riveted to outside panels with 3/16 <br /> in. rivets. <br /> SIDE RAILS Lower rails are to be riveted with solid buck rivets on 2 in. centers <br /> into blade-style heavy duty extruded aluminum 6061-T6. Upper rails <br /> are to be riveted with solid buck rivets on 3 in. centers into blade- <br /> style heavy duty extruded aluminum 6061-T6. <br /> WALL PANELS .050 thick aluminum pre-painted white panels attached on 2 in. rivet <br /> centers at the lap using 3/16 in. solid rivets, 3/ in. wide weather <br /> sealant closed cell PVC foam tape installed at panel laps prior to <br /> rivet attachment, in order to provide a barrier between aluminum and <br /> steel posts, plus preventing leaks in rivet hole attachments and panel <br /> lap joints. Aluminum drip rails over each exterior door, riveted on <br /> each end. <br /> SIDE POSTS Aluminum post construction with 1-1/8 inch square Z-posts on 16 <br /> inch centers. Each Z-post is fastened to top rail with three '/4 in. <br /> diameter solid aluminum squeezed rivets and into the bottom side <br /> rail with three '/4 in. dia. solid aluminum squeezed rivets. <br /> MUD FLAPS Polypropylene anti-sail, secured to underbody. <br /> REAR BUMPER A bend and twist resistant ICC 4 x 4 inch bumper tube, braced to <br /> upper subframe. <br /> TOP RAIL Extruded aluminum 6061-T6. Shaped to protect clearance and <br /> marker lights. <br />