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2023-02-21_PERMIT FILE - C1981019A
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2023-02-21_PERMIT FILE - C1981019A
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Last modified
9/27/2023 8:33:14 AM
Creation date
9/12/2023 11:38:31 AM
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Template:
DRMS Permit Index
Permit No
C1981019A
IBM Index Class Name
Permit File
Doc Date
2/21/2023
Doc Name
Prospect Pond
Section_Exhibit Name
Exhibit 07 Item 14 Appendix Exh 7-14PP
Media Type
D
Archive
Yes
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Exh. 7-14PP-4 Revision Date: 1/30/23 <br />Revision No.: TR-158 <br />EP3 Inlet Ditch 0.68 4.8 Trapezoidal 12’ <br />bottom 2H:1V Riprap, <br />D50 = 3” <br />EP3 Outlet Ditch 0.34 3.6 Trapezoidal 12’ <br />bottom 2H:1V Riprap, <br />D50 = 9” <br />Final East Pit Ditch <br />Station Peak Flow <br />(CFS) <br />Average <br />Slope (%) Channel Type Side Slopes Erosion <br />Protection <br />Reach 1 2.24 21.1 Trapezoidal 12’ <br />bottom 2H:1V Shotcrete <br />Reach 2* 3.47 10.0 Trapezoidal 12’ <br />bottom 2H:1V Riprap, <br />D50 = 3” <br />Reach 3 5.43 6.4 Trapezoidal 12’ <br />bottom 3H:1V Riprap, <br />D50 = 3” <br />*Within Reach 2, at about 200-foot intervals, four to six stability structures will be constructed <br />within the this reach of the Final East Pit Ditch to ensure riprap lining within Reach 2 remains in <br />place and the ditch functions as designed. <br />Section 16 Fill Ditch <br />Station Peak Flow <br />(CFS) <br />Average <br />Slope (%) Channel Type Side Slopes Erosion <br />Protection <br />0+00 to 8+60 0.64 17.8 Trapezoidal 12’ <br />bottom 3H:1V Riprap, <br />D50 = 6”
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