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i � � <br /> I 10/30/98 11:11:40 am W6H Pacific, Inc. paqe 2 <br /> LOT 8 SEAWAY CENTER WEST BASIN <br /> PRELIMINARY WATER QUALZTY AND DETENTION <br /> I �vs��v�����'��`������������o�������������������v����v�v��rnv� <br /> BASIN SUL�4fARY <br /> � eASIN ID: .pst0006 NAME: post developed 6 month <br /> SBUH METHODOLOGY <br /> TOTAL AREA. . . . . . . : 23.28 Acres BASEF20WS: 0.00 cfs <br /> ( RAINFALL TYPE. . . . : TYPElA PERV ZMP <br /> PRECI:ITATION. . . . . 0.99 inches AREA. . : 4.66 Acres 18.62 Acres <br /> TIME ZNTE�VAL. . . . : 10.00 min CN. . . . : 90.00 98.00 <br /> TC. . . . : 13.16 min '1•79 min <br /> I ABSTRACTION COEFF: 0.20 <br /> TcReach - Sheet L: 30.00 ns:0.1500 p2yr: 1.55 s:0.020C <br /> TcReach - Sheet L: 30.00 ns:0.0110 p2yr: 1.55 s:0.0200 <br /> � TcReach - Shallow L: 100.00 ks:27.00 s:0.0100 <br /> TcReach - Channel L:1639.00 kc:42.00 s:0.0100 <br /> impTcReach - Sheet L: 30.00 ns:0.0110 p2yr: 1.55 s:0.0200 <br /> impTcReach - Sha11oN L: 100.00 ks:27.00 s:0.0100 <br /> / impTcAeach - Channel L:1639.00 kc:42.00 s:0.0100 <br /> � PEAK RATE: 3.59 cfs VOL: 1.33 Ac-ft T_ME: 480 min <br /> ( BASIN ID: pst002 NANE: post developed 2 year <br /> SBUH METHODOLOGY <br /> TOTAL ARFA• . . . . . . : 23.28 Acres HASEFLOWS: 0.00 cfs <br /> RAINFALL TYPE. . . . : TYPElA PERV IMP <br /> � PRECIPITATION. . . . : 1.55 inches AREA. . : 4 .66 Acres 18�.62 Acres <br /> TIME INTERVAL. . . . : 10.00 min CN. . . . : 90.00 98.00 <br /> TC. . . . : 13.16 min 7.79 min <br /> ABSTRACTION COEFF: 0.20 <br /> ' TcReach - Sheet L: 30.00 ns:C.1500 p2yr: 1.55 s:0.0200 <br /> TcReach - Sheet L: 30.00 ns:0.0110 p2yr: 1.55 s:0.02U0 <br /> TcReach - Shallow L: 100.00 ks:27 .00 s:0.0100 <br /> � TcReach - Channel L:1639.00 kc:42.00 s:0.0100 <br /> impTcAeach - Sheet L: 30.00 ns:0.0110 p2yr: 1.55 s:0.0200 <br /> impTcReach - Shallow L: 100.00 ks:27•00 s:0.0100 <br /> impTcReach - Channel L:1639.00 kc:92.00 s:0.0100 <br /> IPEAK RATE: 6.24 cfs VOL: 2.34 Ac-ft TIME: 460 min <br /> BASIN ID: pst010 NAME: post deneloped 10 year <br /> � SBUH METHODOLOGY <br /> TOTAL AREA. . . . . . . : 23.28 Acres BASEFLOWS: 0.00 cfs <br /> RAINFALL TYPE. . . . : TYPElA PEAV ZMP <br /> PRECI°ITATZON. . . . : 2.25 inches AREA. . : 4.66 Acres 18.62 Acres <br /> f TIME INTERVAL. . . . : 10.00 min CN. . . . : 90.00 98.00 <br /> � TC. . . . : 13.16 min 7•79 min <br /> ABSTAACTiON COEFF: 0.20 <br /> TcReach - Sheet L: 30.00 ns:0.1500 p2yr: 1.55 s:0.0200 <br /> I TcReach - Sheet L: 30.00 ns:0.0110 p2yr: 1.55 s:0.0200 <br /> TcReach - Shallow L: 100.00 ks:27-00 s:0.0100 <br /> TcReach - Channel L: 1639.00 kc:42.00 s:0.0100 <br /> impTCReach - Sheet i: 30.00 ns:0.0110 p2yr: 1.55 s:0.0200 <br /> impTcReach - Shallow L: 100.00 ks:27.00 s:0.0100 <br /> impTCReach - Channel L:1639.00 kc:42.00 s:0.0100 <br /> PEAK RATE: 9.67 cfs VOL: 3. 65 Ac-ft TIME: 480 min <br /> � 55 <br /> ( <br />