A reinforced concrete grade beam features a designated storm pipe blockout with two number five Z bars providing top and bottom reinforcement with a four-foot minimum lap. Horizontal reinforcing bars terminate with a three-inch cover at their ends. A three-inch clearance is maintained around the storm pipe with a maximum blockout length of twenty-four inches.
GRADE BEAM AND REINFORCING PER PLAN. (2) #5 Z BARS W/ 4'-0" LAP MIN., TOP AND BOTTOM. TERMINATE HORIZ. BARS W/ 3" COVER AT ENDS, TYP. STORM PIPE BLOCKOUT 1 1 PLAN VIEW 0'-3" NOTE: 1. PROVIDE 3" CLEAR AROUND STORM PIPE, TYP. WITH MAXIMUM BLOCK-OUT LENGTH OF 24".
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