2020-03-31_PERMIT FILE - C1981019A ‎(12)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 3/31/2020
• Doc Name: Spoil Pile Collector Ditches
• Type & Sequence: TR136
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part B
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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15
Peak Peak
Stru SWS Soil K L(ft) S(%) C P PS# Sediment Sediment Settleable 24VW
# # (tons) Conc. Conc (ml/I)
(mg/I) (ml/I)
2 0.300 85.00 0.50 1.0000 1.0000 1 I 3.7 11,898 6.46 3.32
3 0.300 145.00 31.00 0.4500 1.0000 1 178.8 506,320 288.59 129.64
4 0.300 200.00 5.90 1.0000 1.0000 1 9.8 132,077 75.28 38.40
E 851.9 456,475 260.12 112.16
#7 E 851.9 456,475 260.12 112.16
#6 E 851.9 456,475 260.12 112.16
#5 E 42.5 17,772 0.00 0.00
#4 1 0.300 145.00 31.00 0.500 0.9000 1 278.3 487,743 278.00 124.41
2 0.300 50.00 0.50 1.0000 0.9000 1 0.2 7,599 4.33 2.18
E 321.0 453,998 224.54 40.21
#3 E 321.0 453,998 224.54 40.21
#2 1 0.300 200.00 22.00 0.0310 0.9000 1 0.0 1 0.00 0.00
E 556.4 453,527 238.77 57.66
#1 E 152.1 37,832 0.44 0.38
Subwatershed Time of Concentration Details:
Stru SWS Land Flow Condition Slope(%) Vert. Dist. Horiz. Dist. Velocity Time(hrs)
# # (ft) (ft) (fps)
#2 1 3. Short grass pasture 22.00 153.56 698.00 3.750 0.051
#2 1 Time of Concentration: 0.051
#4 1 5. Nearly bare and untilled,and 28.00 540.12 1,929.00 5.290 0.101
alluvial valley fans
#4 1 Time of Concentration: 0.101
#4 2 5. Nearly bare and untilled,and 0.50 0.25 50.00 0.700 0.019
alluvial valley fans
8. Large gullies,diversions,and low 21.00 127.25 606.00 13.740 0.012
flowing streams
#4 2 Time of Concentration: 0.031
#8 1 5. Nearly bare and untilled,and 35.00 446.25 1,275.00 5.910 0.059
alluvial valley fans
#8 1 Time of Concentration: 0.059
#8 2 5. Nearly bare and untilled,and 0.50 0.42 84.00 0.700 0.033
alluvial valley fans
8. Large gullies,diversions,and low 5.00 137.50 2,750.00 6.700 0.114
flowing streams
#8 2 Time of Concentration: 0.147
Filename:West Side Temp Spoil Pile 10 Yr 24 Hr.sc4 Printed 12-31-2019