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1990-12-13_REVISION - C1981035
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1990-12-13_REVISION - C1981035
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Entry Properties
Last modified
1/15/2021 8:55:56 AM
Creation date
4/16/2012 1:28:47 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981035
IBM Index Class Name
REVISION
Doc Date
12/13/1990
Doc Name
Technical Review for Drainage Control
From
DMG
To
National King Coal Inc
Type & Sequence
TR2
Media Type
D
Archive
No
Tags
DRMS Re-OCR
Description:
Signifies Re-OCR Process Performed
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lul l <br /> -- Watershed data for watershed It 1 <br /> Curve number = 78.0 <br /> Area = 27.3 acres <br /> Hydraulic length = 2700.00 Feet <br /> . Elevation change = 370.0 feet. <br /> Concentration time = 0.SO hours <br /> Concentration time type = SCS Upland Curves <br /> • Unit hydrograph type = Forested <br /> • -- Watershed data for watershed S 2 <br /> Curve number = 54.0 <br /> Area = 13.3 acres <br /> • Hydraulic length = 2700.00 Feet <br /> Elevation change = 310.0 feet. <br /> Concentration time = 0.37 houra <br /> • Concentration time type = SG Upland Curves <br /> Unit hydrograph type = Forested <br /> • -- Total Area = 40.6 acres <br /> -- Storm data <br /> • Total precipitation = 3.0 inches <br /> Storm type = SCS Type 2 storm, 24 hour storm <br /> Peak Oischar9e = 7.08 cfs <br /> • Discharge volume = 3.09 acre ft <br /> Lk <br /> Project Title = HKCOAL <br /> WATERSHED HYDROGRAPH <br /> inflow into structure 4 1 <br /> Structure type: Hull <br /> watershed data for watershed t 1 <br /> Curve number = 78.0 <br /> Area = 27.3 acres <br /> Hydraulic length = 2700.00 Feet <br /> Elevation change = 570.0 feet. <br /> Concentration time = 0.80 hours <br /> Concentration time type = SCS Upland Curves <br /> Unit hydrograph type = Forested <br /> -- Watershed data for watershed Or <br /> Curve number = 64.0 <br /> • area = 13.L acres <br /> hydraulic length = 2700.00 Feet <br /> Elevation ,-hands - :10.0 feet. <br /> • Concpntt ation time = 0.37 hours a <br /> .oncentration rime *yp. _ ':CS Upland Cur—i—s <br /> l to It aph r,co _ Forested �,\ <br /> • u acre <br /> peck Drx�c�+t�� 3.44 Cf-s <br />
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