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4x4x10 GA. MTL <br /> ANGLE FOR WALL <br /> ATTACHMENT TO WEB � �-4�� 2 -� <br /> OF PURLIN W 2- 12 7 1 4" 2 7/8" SQ. x 5�8" PLYWOOD <br /> LIGHT GA. �ITL. SCREWS. / # 20 GA USHT. MTL. / BLKG. BEHIND 3 x 3 {� � <br /> BETWEEN PURLINS FOR SOLID BLOCK @ THROUGH BOLTS EA. � _ , „ <br /> WALL ATTACHMENT EXIST. ROOF CONSTR. CLOSURE. CUT TO CONT, AT SIDE EXISITNG 3 -0 DOOR <br /> FIT PURLIN THROUGH BOLT _ � �� , , FOR INSTALLATION OF <br /> DO NOT ATTACH TO HEIGHT <br /> EXIST. MET. ROOF SLIDING DOOR � �� �� �� �� �� �� �� u � I <br /> , „ „ „ „ n „ „ ; ; REMOVE EXISTING DOOR TS FRAME INTO CMU <br /> -- I p II II II II II IL__JL <br /> : OPERATOR AND HEAD i �__-' -_� <br />