A concrete mat footing and reinforcement assembly incorporates a trench drain with specified spacing requirements. Clear spacing between reinforcing bars must be the larger of bar diameters D1 or D2, with a two-inch minimum clearance.
D1 CONC MAT [FTG] & REINF D1 OR D2, 2" MIN CLR SPACING TO BE LARGER OF D2 SCALE: 3/4" = 1'-0" 4 TRENCH DRAIN IN MAT SECTION
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