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Preliminary Drainage & Grading Plan
17132C2DOGGIES WONDERLAND PRELIMINARY DRAINAGE PLAN & GRADING PLAN TBPE Firm No. 1798 TBPLS Firm No. 10047700 111 Hillside Drive • Lewisville, TX 75057 P: 972.436.9712 • F: 972.436.9715 144 Old Town Blvd. North, Ste 2 • Argyle, TX 76226 P: 940.240.1012 • F: 940.240.1028EXISTING DRAINAGE CALCULATIONSDrainageAreaCTc IQ100CommentsArea(Ac)(min) (in/hr) (cfs)A1 0.20 0.90 10 11.6 2.1 Sheet Flow North to Vanbebber DriveA2 0.50 0.90 10 11.6 5.2 Sheet Flow North to Vanbebber DriveA3 0.40 0.30 10 11.61.4Sheet Flow North to Vanbebber DriveB10.05 0.90 10 11.6 0.5 Sheet Flow Southwest to Lot 2B20.40 0.90 10 11.64.2Sheet Flow South to E Bethel School RoadPROPOSED DRAINAGE CALCULATIONSDrainageAreaCTcIQ100CommentsArea(Ac)(min) (in/hr) (cfs)A10.50 0.90 10 11.6 5.2 Sheet Flow North to Vanbebber DriveA2 0.30 0.90 10 11.6 3.1 Sheet Flow North to Vanbebber DriveB10.05 0.90 10 11.6 0.5 Sheet Flow Southwest to Lot 2B20.70 0.90 10 11.6 7.3 Sheet Flow South to E Bethel School Road