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7. USE 2X4 BOTTOM BRACE - CUT TO WIDTH OF DOOR TRIM. DRILL TO THE FLOOR <br />TO PREVENT OPENING. INTERIOR AND EXTERIOR BOTTOM BRACES WITH <br />MASONRY SCREWS ARE MANDATORY WHEN BOARDING GARAGE DOORS. <br />BRACE AND CARRIAGE BOLT SPECIFICATION <br />12' CDX PLYWOOD <br />3/8' USS STANDARD <br />FLAT WASHER <br />BRACE <br />CONSTRUCTION <br />GRADE NUT <br />COURSETHREAD <br />.xo VL' COURSE THREAD <br />ROUNDED HEAD <br />NOTES: <br />12' USS STANDARD <br />FLAT WASHER <br />ROUNDED HEAD OF 318' <br />CARRIAGE BOLT <br />ON WEATHER SIDE OF <br />OPENING <br />3/8'HOLE IN BRACE AND <br />PLYWOOD-- PRE -DRILLED <br />DURING FABRICATION <br />1. USE 2" BY 4" BY 8' (OR LONGER) CONSTRUCTION GRADE LUMBER FOR BRACES. <br />2. USE 3/8" X 12" CARRIAGE BOLTS - ROUNDED HEAD ON OUTSIDE OF BUILDING <br />3. TIGHTEN NUTS FROM INSIDE ENOUGH TO SLIGHTLY COMPRESS WASHER INTO <br />2X4 BRACE. <br />4. USE 1/2" WASHER ON WEATHER SIDE TO ACCOMMODATE THE WRENCH NECK OF <br />BOLT AND ELIMINATE PRY POINTS. <br />City of Santa Ana RFP 22-091 <br />Page Al-6 <br />