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CITY OF SANTA ANA <br />may, lS. <br />Section 1: Discharge — Drainage area relationship Approved <br />FOR PERMIT ISSUAN E <br />As shown on table 10 of the Flood Insurance Study Report — Orange County, Cali <br />• Drainage area of East Garden Grove — Wintersburg Channel at Euclid Street is r/NDa aQ:miles. <br />Date: <br />• Peak discharge (l% annual chance): 1,600 cfs. <br />Section 2: Flood zone information <br />Zone A, city of Santa Ana, map number 06059C0143J, panel 143 of 539, map revised December 3, 2009. <br />Section 3: Benchmark <br />OC PW Survey BM No.: SA-226-70. <br />Elevation: 74.189 ft, NAVD88. Year leveled: 2005. O.C.S. 1995 A.D.J. <br />Location: monument is located in the southwest corner of the intersection of Newhope Street and Hazard <br />Avenue, 32 ft. southerly of the centerline of Hazard Avenue and 4 ft. westerly of the west southwest curb <br />return. Monument is set level with the sidewalk. <br />Section 4: East Garden Grove Wintersburg Channel (C05) section <br />�rV <br />ELE. = 77.02' <br />2� <br />Fxisf. grourrra� , �k <br />Hi z <br />CONS7 CONC, L INE1t � CXANWtL �! <br />= 67.02' BE,QMs, FO/� L7Cr�4�L�.8s�P,�c�/�E <br />air zy. <br />6Icancr. irriy. pipe r'~8* 1 <br />Gm CZda f wo//s. A& removed <br />offer' use for wafer cnniro/. <br />TYPICAL SECTION <br />STA.469+00.00 TO STA.493+00.00 <br />