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Fountain Park 1-CS 960703
ENGINEERING DEPAR P.O. BOX 478 255 PARKWAY BI.VD. COPPELL, TX 75019 FAX NO. (214) -t04-3570 TMENT FAX COVER SHEET TO: FIRM: FAX NO: PHO~. NO.: NUMBER OF PAGES (INCLUDING COVER SHEET) DATE IF YOU DO NOT RECEIVE ALL OF THE PAGES, PLEASE CALL (214) 304-5679. BY d3~,,9£ OVOB t,,/~, 3N~-I ),ONVS ~13~':1S IN aO.LS ~) /.3"INI 'dO~d ,01 (S3~OV) V3~V 'ON V3~V 39VNIV~JO /~0'1.-I .:10 NOIIO:I~IO -,e-..- 301^10 39VNI~'~O .... ~301N03 '1SIX3 QN393"1 ,001 = .I : 3-]VOS 133,:1 NI 39V3S 001 O~ 0 I 474 SANDY LAKE ROAD $6" RCP DRAINAGE AREA SUMMARY DRAINAGE AREA RUNOFF ~ (ACRES) COEFFICIENT A10ffsite 3.0 A2 0.9 A3 2.0 A4 1.4 CA t= imo Q,eo B1 2.0 0.45 1.33 15 0.45 0.41 15 0.45 0.90 15 0.45 0.64. 15 C10ffsite 2.3 1.9 9.6 12.8 9.6 3.9 9.6 8.6 9.6 6.1 0.45 O. 90 15 9.6 8 . 6 0.45 1.04 15 9.6 9.9 0.8 1.52 10 10.7 16.3 6 els - 10'inlet 31.4 els - 2 10' inlets at sag surface flow 26.2 cfs - 36" culvert RECORD DRAW