PERMFILE118832

• Permit No: C1981039
• IBM Index Class Name: Permit File
• Doc Name: Rockcastle 5/21/92
• Section_Exhibit Name: Reclamation Project Binder
• Media Type: D
• Archive: No

MINIMUM FREEBOARD
0.30 FT. ~
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TYP/CAL SECT/ON
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FLOW CHANNEL CHANNEL BOTTOM FLOW FLOW RIPRAP
PIT DITCH SECTION RATE, O SLOPE LENGTH WIDTH, B DEPTH, D VELOCITY DIAMETER
ICF SI I%I IF T.1 IF T.1 IFT.I IFPSI D50 IINI
4 4-I A 9.43 0.5 1,000 2.0 0.94 2.1 NR
B 9.43 5.2 385 3.5 0.42 4.6 NR
C 9.43 I.5 340 3.5 0.59 3.0 NR
4-2 A 9.71 7.0 450 3.5 0.41 5.0 NR
B 9.71 5.0 1,000 3.5 0.45 4.4 NR
C 9.71 13.0 768 3.5 0.34 6.1 131
D 9.71 6.0 810 3.5 0.43 4.7 NR
E 9.71 I.8 280 3.5 0.57 3.2 NR
F 14.81 7.8 320 3.5 0.50 5.9 9.0
5 5-I 4.22 10.0 1,550 2.0 0.29 4.9 NR
5-2 4.66 10.0 500 2.0 0.31 5.1 12.0
5-3 10.76 4.0 700 3.5 0.49 4.4 NR
6 6-I A 1.58 3.0 1,000 2.0 0.24 2.4 NR
B 4.01 12.0 250 2.0 0.27 5.1 12.0
6-2 1.98 4,0 500 2.0 0.27 2.6 NR
6-3 2.48 I5.0 500 2.0 0.20 4.8 NR
NR - NOT REQUIRED
t/ Channel slopes were measured from the Postmining Drainage and Sediment
Control Map /Map R-1l
21 Bottom widths were obtainded from the Operating P/an contained
in the Rockcastle Permit Document.
3l Due to minor erosion, natural armoring has established and this segment is stab/e.
THE ROCKCASTLE COMP.
Pf7F/CLOWG Miff MdMr~n May, /992
ACZI~= PERMANENT D/TCH
.„, ~~„~.o,... ~,,,~ F/GORE 1 DES/GN SUMMA R Y
„E.,~. ,.~ W an