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i <br /> I 10/17/97 3 :42 : 19 pm h'&H Pacific, Inc. page 2 <br /> Solectron Lot 2F oi. Seaway Center <br /> Siltation Pond Sizing Calculations <br /> _____________________________________"_______________________________ <br /> I DETAIL BASIN SUMMARY <br /> ! BASIN ID: north NAME: North Sedimentation Pond Vol . <br /> SBUH METHODOLOGY <br /> TOTAL AREA. . . . . . . : 12 .41 Acres BASEFLOWS : 0 . 00 cfs <br /> I RAINFALL TYPE. . . . : TYPElA PERV IMP <br /> PRECIPITATION. . . . : 2 .25 inches AREA. . : 12 .91 Acres 0. 00 Acres <br /> TIME INTERVAL. . . . : 10 . 00 min CN. . . . : 89. 00 0 . 00 <br /> '- TC. . . . : 18 .35 min 0 . 00 min <br /> ABSTRACTION COEFF: 0 .20 <br /> TcReach - Sheet L: 100 . 00 ns :0 . 0500 p2yr: 1 .55 s :0 . 0200 <br /> I TcReac!z - Channel L:1500 . 00 kc:20 . 00 s : 0 . 0100 <br /> PEAK RATE: 2 . 81 cfs VOL: 1 .28 Ac-ft TIME: 480 min <br /> TIM6 OESIGN TIM£ -=5IG4 TIME DESIGN TIME DESIGN 7IME DESICN TIME D6SICN <br /> I RUNOFF +7WOFF RUNOFF RUNOFF RUNOFF RUNOFF <br /> (minl :cfe) (mSN 'cfal ;miN (cfe) (min) Icfe1 (miN (cfel (miN (cfel <br /> ..""'.'............................�......""�"..............................."""""'.".".."' <br /> � 10 730 0.1]l2 610 1.Od0< 91U O.l�'/2 1710 0.5866 1510 0.0137 <br /> ZO 3]0 0.27�7 620 1.0�93 9]0 0.7819 1770 O.SB67 1520 0.0075 <br /> ]0 730 J.3606 670 1.07�7 970 0.7854 13J0 0.5867 15J0 0.00�3 <br /> �p J�0 J I7�4 6�0 1.0258 9/0 0.7853 13�0 0.5897 15�0 0.00]5 <br /> 1 50 750 O.7B7t 650 1.0763 950 0.'1B99 1350 0.5809 1550 0.001� <br /> 60 360 O.i714 660 1.0790 960 0.791'1 1760 0.5887 1560 0.0008 <br /> 70 370 �.15�6 670 0.9876 9]0 0.7181 1270 0.5920 1570 0.0005 <br /> I 80 7B0 :.7761 680 0.9301 980• 0.6064 1280 0.5913 1580 0.0007 <br /> 90 390 0.1995 690 0.8836 99U 0.54]'! 1290 0.5908 1590 0.0003 <br /> 100 900 :.5313 700 O.B66] 100U o.50J6 1J00 0.5940 1600 <br /> 110 110 0.5509 ]10 0.8559 1010 0.4845 ]J10 0.5931 1610 <br /> 120 430 J.5'154 720 0.8511 3020 J.4]7B 1720 0.5938 16Z0 <br /> 130 �30 :.76Bfi '!30 O.B536 1070 0.5150 1330 O.S6B5 1630 <br /> 140 4�0 _.0765 '140 0.8521 1090 O.SB90 1]10 0.5703 16�0 <br /> I 150 450 _.3950 750 0.6532 1050 0.6J19 1)50 O.SOB6 1650 <br /> 160 �60 :.7�71 760 O.BSi9 1U60 O.G569 1360 0.�977 1660 <br /> 170 970 3.3671 �70 0.8592 1070 0.6]1'7 1370 0.�878 1670 <br /> 1B0 �80 2.8102 ]BO O.B612 lOBO O.6B0'/ 1780 0.�8�8 1600 <br /> 190 �90 2.6930 790 O.B1B9 1090 0.6625 1190 0.�603 3690 <br /> 200 500 3.1155 B00 0.7�80 1100 0.6257 1�00 O.�BOB 1700 <br /> I 210 530 3.9559 B10 0.70B3 1110 0.6051 1430 0.�817 1710 <br /> 330 570 1.7799 830 0.6862 1330 0.6B63 1120 0.�7B7 1730 <br /> 270 0.0017 530 :.6521 870 0.67�] 11]0 a.fi403 1170 O.�BOS 1730 <br /> 340 0.007] 540 1.5982 B40 0.6687 1110 0.529] 1i40 0.4816 17�0 <br /> I 750 0.0211 550 1A5fi8 B50 0.6881 1150 0.5516 1450 0.3777 1750 <br /> � 260 0.0101 560 :.38�3 B60 0.9458 1160 a.564I U60 0.1157 1760 <br /> 270 0.0615 5]0 1.1891 870 0.7187 1170 0.5719 147U 0.1233 1770 <br /> i 4B0 0.08�2 580 i.141G 890 0.7591 1180 0.5796 1480 0.0705 3780 <br /> 290 0.1066 590 1.1154 890 0.7690 1190 O.SB1J 1�90 0.0�03 1'/90 <br /> 300 0.1389 600 :.1061 � 0 0.7755 1200 �.SBI6 i500 0.0330 1000 <br /> I <br /> I <br />