2010-12-20_PERMIT FILE - C1982056

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/20/2010
• Section_Exhibit Name: EXHIBIT 08j CYCC Pond G - Stage Storage
• Media Type: D
• Archive: No

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Table 1.5
POND G SUMMARY
Pond G
WATERSHED AREA (acres):
Disturbed 12.7
Reclaimed 454.4
Total Area 467.1
POND PARAMETERS:
Bolcom Elevation 6821.1
Principal Spillway Invert Elevation 6832.8
Emergency Spillway Invert Elevation 6835.4
Top of Embankment 6837.1
Permanent Water Level 6830.2
Storage Volume Below Emergency Spillway 41.2
(ac-ft)
Storage Volume Below Principal Spillway 27.9
(ac-ft)
(Invert of Riser -Pond G)
Principal Spillway Parameters:
Type: Perfora d Riser
Riser Diameter (in)
Riser Height (ft)
Barrel Diameter (in) 8.8
i18 .~vu S~~w~xty
Number of Holes in Riser (per elev.) ~ 4
Size of Holes (in)
Elev. Of Holes 6,830.2
6,832.2
Emergency Spillway Parameters:
Type Trapezoid
Bottom Width (ft) 20
Side Slopes 'z'H:1 V (ft) 3
HYDROLOGIC/HYDRAULIC PARAMETERS:
10-Year, 24-Hour Storm Event:
Precipitation (in) 1.8
Runoff Volume (ac-ft) 11.31
Principal Spillway Peak Discharge (cfs) 2.2
Emergency Spillway Peak Discharge (cfs) 0
Peak Surface Water Stage Elevation (ft) 6,631.9
100-Year, 24-Hour Storm Event:
Precipitation (in) 2.6
Runoff Volume (ac-ft) 27.4
Principal Spillway Peak Discharge (cfs) 11.5
Emergency Spillway Peak Discharge (cfs) 0
Peak Surface Water Stage Elevation (ft) 6833.5
Pond Freeboard (ft) 3.6
SEDIMENT LOADING PARAMETERS:
Storm Predicted Peak Settleable Concentration 0.00
(ml/I)
Predicted Annual Sediment Loading (ac-ft) 0.11
Available Sediment Storage Volume (ac-ft) 5.5
Maximum Sediment Storage Elevation (ft) 6826.8
Predicted Number of Storage Years 50
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