PERMFILE62541

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Design Demonstration 10-Year Storm Containment
• Section_Exhibit Name: EXHIBIT 19 Pond 5 - 10-year/24 Hour SEDCAD
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copynght 1998 Pamela J Schwab
Civil Sortvrare Design
• Subwatershed Hydro%gy Detai/:

Stru SWS SWS Area Time of Musk K Curve Peak Runoff
Conc Musk X UHS Discharge Volume
# # (ac) (hrs) Number
(hrs) (ds) (ac-ft)
#1 1 16.800 0.161 0.000 0.000 75.000 F 12.79 1.166
2 20.900 0.164 0.000 0.000 82.000 F 23.54 2.131
3 0.850 0.002 0.000 0.000 100.000 F 1.82 0.198
4 3.600 0.056 0.055 0.397 82.000 F 4.76 0.367
~ 42.150 40.96 3.862
Subwatershed Sedimento%gy Detai/:
•
Peak Peak
Stru SWS Sediment Sediment Settleable 24VW
# # Soil K L (ft) S (%) C p ~ # Conc. Conc
(tons) (ml/I)
(mg/I) (ml/I)
#1 1 0.100 75.00 36.00 0.4000 1.0000 1 92.8 116,046 71.94 36.48
2 0.240 100.00 10.00 1.0000 0.9000 1 250.6 160,561 100.37 53.47
3 0.010 25.00 0.10 0.0010 1.0000 1 0.0 0 0.00 0.00
4 0.240 100.00 10.00 1.0000 0.9000 1 38.3 138,429 88.53 47.16
r 381.7 142,758 89.26 45.09

Subwatershed Time of Concentration Detai/s:
•
Stru SWS Land Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (ft) (R) (fps)
#1 1 3. Short grass pasture 8.33 25.00 300.00 2.300 0.036
6. Grassed waterway 5.56 50.00 900.00 3.530 0.070
7. Paved area and small upland 21.67 65.00 300.00 9.360 0.008
gullies
7. Paved area and small upland
7,50 15.00 200.00 5.510 0.010
gullies
7. Paved area and small upland
7 69 60.00 760.00 5.650 0.037
gullies
#1 1 Time of Concentration: 0.161
5. Nearly bare and unfilled, and
#1 2
alluvial valley fans g.33 25.00 300.00 2.680 0.028
7. Paved area and small upland 5.26 50.00 950.01 4.610 0.057
gullies
7. Paved area and small upland 1.02 5.00 490.00 2.030 0.067
gullies
7. Paved area and small upland 11.29 35.00 310.00 6.760 0.012
gullies
Filename: Pond6REV-10-24SED.sc4 Printed 12-04-2001