PERMFILE134224

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 66 TOC and Mine Water Control Plan
• Media Type: D
• Archive: Yes

•

Table 44E
Ditch and Culvert Summary
10-Year 24-flour Storm
Pond/
Diversion Ditch
Number Discharge
(cfs) Slope;
(%)' Depth
(feet) Shape Culvert Discharge
(cfs) Size
(inches)
MB-2R D2-1 43.64 6.80 1.50 V*
DZ-Z [0.20 9.00 0.96 V* C2-2 32.21 36.00
D2-2B 0.45 1.50 0.59 V* C2-2A 0.07 12.00
D2-2C 1.97 2.00 0.77 V* C2-3 23.72 33.00
D2-2D 1.97 7.00 0.67 V* C2-3A 0.96 12 PVC
D2-2E 0.83 12.50 0.54 V* C2-4 2.42 12.00
D2-2F North 0.86 8.00 0.57 V* C2-5 4.58 18.00
D2-2F South 0.66 8.00 0.60 V C2-SA 15.62 27.00
D2-2G 0.15 2.00 0.48 V* C2-6 2.90 15.00
C2-7 2.25 15.00
D-2H downspout 1.01 50.00 0.50 V* C2-7A 2.25 15.00
D2-3 4.74 12.00 0.77 V* C2-8 1.35 12.00
D2-3A 2.04 14.00 0.63 V* C2-8A 1.35 12.00
D2-3B 0.14 11.00 0.43 V* C2-9 0.20 12.00
D2-3D 1.01 2.00 0.67 V * C2-9C 0. ] 5 12.00
D2-3E 0.15 24.00 0.44 V C2-10 15.62 27 pert.
D2-3F 0.36 24.00 0.49 V C2-ll 24.89 33.00
D2-4 27.39 4.00 1.41 V * C2- ] 1 A 1.17 12.00
D2-4A 0.31 17.00 0.50 V C2-12 2.04 12.00
D2-5 1.17 2.00 0.69 V* C2-12A 1.16 12.00
D2-6 22.75 10.00 1.18 V* C2-12B 0.61 12.00
D2-6A 10.02 0.42 1.47 V* C2-13 7.12 see note
D2-6B 0.17 22.00 0.42 V* C2-13A 0.71 24 half
D2-6C 0.44 2.00 0.57 V* C2-13B 7.12 21.00
D2-6D 1.23 ]7.40 0.56 V* C2-IS 2.60 ]2 PVC
D2-6E 1.47 22.20 0.57 V* C2R-1 33.44 36.00
D2-7 4.58 12.50 0.76 V* C2R-2 47.82 36x
D2-7A 1.08 10.00 0.57 V C2R-3 10.96 24.00
D2-7B 0.14 40.00 0.46 V* C2R-4 8.93 36.00
D2-7C 2.90 5.00 0.76 V* C2R-5 0.75 18.00

D2-8 2.25 5.00 0.72 V*
D2-8AA 1.35 5.00 0.65 V*
D2-8A 0.05 9.00 0.40 V
D2-SB 0.15 7.00. 0.46 V
D2-9 0.15 L50 0.49 V*
D2-9A 4.53 9.00 0.74 V""
D2-9B 0.37 10.00 0.49 V*
D2-10 4.53 2.00 I.10 V
D2R-1(+) 30.58 3.20 1.12 2'Trap
D2R-lA(+) 2.86 2.20 0.92 V
Note: C2-13 is a 24-inch half CMP and a 24-inch full CMP.
Revised 12/97-MR235; 2/98-MR238, 10/98 TR86