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TYPICAL TRENCH DETAIL <br />2"4"4"48" MIN.VARIES <br />VARIES 2"4"18" MIN SPRINKLERS12" BUBBLERS4"NOTES: <br />1. TRENCH WIDTH TO ALLOW FOR SNAKING OF PIPE(S).2. TAPE CONTROL WIRING AT 10' INTERVALS. LEAVE 48" SLACK AT ALL CHANGES OF DIRECTION.