2020-12-21_PERMIT FILE - C1981010A ‎(5)‎

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 12/21/2020
• Doc Name: Coyote Hydrologic Model
• Section_Exhibit Name: APPENDIX Q SECTION III
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Su6watershed Hydrology Detail:
Stru SW5
5WS Area Time of Musk K Curve Peak Runoff# # Musk X UHS Discharge Volume(hrs)
(ac) Conc (hrs) Number
(Cfs) (ac-ft)
#1 1 244.200 0.510 0.000 0.000 66.000 M 3.74 1.624
2 59.600 0.312 0.000 0.000 66.000 M 1.00 0.397
303.800 4.74 2.021
#2 1 183,900 0.356 0.000 0.000 73.000 M 17.35 2.895
2 53.600 0.292 0.000 0.000 81.000 M 14.90 1.716
541.300 32.63 6.632
#3 1 111.500 0.334 0.000 0.000 81.000 M 29.48 3.582
652.800 42.55 10.214
Sub watershed Sedimentology Detail;
Peak Peak
Stru SWS Soil K L(ft) S(%) C P PS# Sediment Sediment Settleable 24VW
# # (tons) Conc. Conc
(mg/1) (MI/1)
#1 1 0.250 690.00 13.00 0.1300 0,7300 1 45.3 29,291 2.09 1.45
2 0.250 560.00 17.90 0.1600 0,6500 1 14.1 38,069 3.96 2.68
59.3 31,142 2.46 1.69
#2 1 0.230 540.00 13.00 0.3100 0.6600 1 252.4 117,308 26.19 13.89
2 0.190 700.00 4.30 0.6300 0.8200 1 92.2 73,725 23.90 12.54
398.1 96,114 20.88 9.38
#3 1 0.190 560.00 8.90 0.5700 1.0000 1 428.9 156,923 48.78 26.18
717.3 142,627 26.67 9.37
Su6watershed Time of Concentration Details:
Stu SW#S Land Flow Condition Slope(�/o) Vert. Dist. Horiz. Dist. Velocity Time(hrs)
(ft) (ft) (fps)
#1 1 1. Forest with heavy ground litter 14.29 40.00 280.00 0.950 0.081
6. Grassed waterway 1.43 75.00 1,750.00 1.790 0.271
8. Large gullies, diversions,and low 11.99 710.00 5,920.00 10.380 0.158
flowing streams
#1 1 Time of Concentration: 0.510
#1 2 1. Forest with heavy ground litter 12.73 70.00 550.00 0.900 0.169
6. Grassed waterway 7.41 20.00 270.00 4.080 0.018
Filename:Coyote 25-year,24-hour event, PP at 6311, PS at 6311 sediment at 6307.5.sc4 Printed 10-20-2020