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I <br /> f 10/17/97 3 :42 : 19 pm W&H Pacific, Inc. page 3 <br /> � Solectron Lot 2F of Seaway Center <br /> Siltation Pond Sizing Calculations <br /> I _____________________________________________________________________ <br /> DETAIL BASIN SUMMARY <br /> � BASIN ID: west NAME: West Sedimentation Pond Vol . <br /> SSUH METHODOLOGY <br /> TOTAL AREA. . . . . . . : 2 . 87 Acres BASEFLOWS : 0 . 00 cfs <br /> I RAINFALL TYPE. . . . : TYPElA PERV IMP <br /> PRECIPITATION. . . . : 2 .25 inches AREA. . : 2 . 87 Acres 0 . 00 Acrea <br /> TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 89 . 00 0 . 00 <br /> � TC. . . . : 11. 18 min 0.00 min <br /> ABSTRACTION COEFF: 0 .20 <br /> TcReach - Sheet L: 160 . 00 ns : 0 .0500 p2yr: 1 . 55 s : 0 . 0200 <br /> I TcReach - Channel L: 320 . 00 kc:20. 00 s : O . OlUO <br /> PEAK RATE: 0 .73 cfs VOL: 0 .30 Ac-ft TIME: 480 min <br /> TIME DESIGN iIME DESICN TlME DESICN 7IME CESIGII TIME D6SICN TIM6 U65ION <br /> I RUNOFF RUNOFF RUNOFF 0.VNOFF RUNOFF RUNOFF <br /> (minl icfs) (min) (cfal (min) (cfel (minl icfel (min) (cfe) (mfN (cte) <br /> ..""'.................."""""""""'............................."""""""""""'...""' <br /> � ' 10 710 O.Ot60 610 0.7459 910 0.1801 1210 0.1367 1530 0.0003 <br /> 20 320 G.0628 610 0.2J79 920 0.1815 1320 0.1357 1520 <br /> 30 730 0.0755 630 0.3756 970 O.1B72 1730 0.1356 1530 <br /> I 40 J40 O.OBfi� 640 0.3750 94� O.IB1B 1210 0.1767 15�0 <br /> 50 750 0.0953 650 0.3765 950 0.1829 1250 0.1361 1550 <br /> 60 ]60 0.1059 6fi0 0.7779 960 O.1B35 1760 0.1761 1560 <br /> ]0 3'10 0.3110 670 0.23i1 970 0.1597 1770 0.137] 1570 <br /> 1 80 �60 0.11<6 6B0 O.Z017 9B0 0 1260 1280 0.1367 1.80 <br /> 90 J90 0.1196 690 0.19�1 990 0.1135 1290 0.1J66 1590 <br /> 100 900 0.1257 �00 0.1960 1000 0.1079 1700 0.1777 1G00 <br /> II30 410 0.1717 710 0.1951 1010 0.1068 1710 O.1177 1610 <br /> � 130 420 0.13]2 770 0.1953 1030 0.1065 1370 0.1371 1630 <br /> IJO 430 0.1991 770 0.1967 10J0 0.1221 1330 0.1289 1670 <br /> 1�0 440 0.3086 710 0.1968 1040 0.1949 1J40 0.17'7'/ 16�0 <br /> �� 150 450 0.]I70 950 0.19]J 1050 0.1538 1750 0.1175 1650 <br /> • 160 460 0.4616 ]60 0.1?89 3060 G.15]4 1J60 0.1309 1660 <br /> 170 i70 0.63]6 7]0 0.1990 10'!0 0.1599 1]]0 0.1110 1670 <br /> 1B0 9d0 0.7IB5 '/B0 0.1995 :080 0.1597 13B0 0.1111 16B0 <br /> 190 49U 0.61�8 ]90 0.1853 1090 J.1572 1390 0.1307 1690 <br /> 700 SOU 0.9701 BOU 0.1691 I100 G.1905 1400 0.1109 1700 <br /> ` 230 510 0.4096 B10 0.156J 1310 0.1361 1�30 0.111] 1710 <br /> I ]20 520 0.7772 B20 0.1536 1120 0.1656 1�2U 0.130� 1770 <br /> 230 0.0004 570 O.JSSB 8)0 0.1527 1130 0.1460 1C70 0.1111 1730 <br /> 2�0 0.00]9 590 0.7507 890 0.151� 11�0 O.lOB'! 1��0 0.1115 17�0 <br /> ( 750 0.0065 550 O.1171 B50 0.160� 1150 0.1255 1950 0.0766 1750 <br /> Ifi0 0.0119 560 0.273'1 B60 0.17]7 3160 0.1)10 1460 0.0797 1760 <br /> I70 0.0179 5'10 0.255] B'!0 0.1'!]0 1170 O.3I3] 3<'!0 0.0112 17]0 <br /> I 7B0 O.O7I0 580 0.2517 880 0.1781 1180 0.1752 1980 0.0043 17B0 <br /> 290 O.O7B3 590 0.2505 890 0.179B 1190 0.1350 1990 0.0016 1790 <br /> l00 O.OJlS 600 a.751] 900 O.18CB 1200 0.3351 1500 0.0006 1800 <br /> I <br /> I <br />