PERMFILE40498

• Permit No: C1981071
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 13 4th Part
• Media Type: D
• Archive: No

Table 5
•
•

ECKBAN PARK MINE - POND G
COXPUTATION OF FLO4 THROUGH RISER PIPE
DESIGN DATA
Riser Pipe Outlet Pipe
Crest Elev (ft) 6833.20 Flowline Elev (f t) 6824.00
Diameter (f t) 2.00 Diameter (f t) 1.50
Length (ft) 95.00
Riser Perforations Manning n 0.025
Nurber of holes 4 Kx 0.50
Diameter (in) 4.00 Km 0.50
Elevations (tt) 6828.30 Kp 0.067
6830.30 Tailwat er Elev (f t) 6824.50
COMPUTED DISCXARGEB CONSIDERING FLOP TXROUGX PERFORATIONS, VEIR FLON INTO RIS"cR, ORIFICE FLCY INTO RISER,
ORIFICE FLOl1 INTO PIPE AND FULL PIPE FLON CONDITIONS
S [age Orifice
Flow
Perforations
(efs)
bsza.a
6aze.s
6829.0
6829.5
6830.0
6830.5
6831.0
6831.5
6832.0
6832.5
6833.0
6833.5
6834.0
6834.5
6835.0
6835.5
6836.0
6836.5
6837.0
6837.5
6838.0
o.o
0.8
1.4
1.8
2.2
3.2
4.2
4.8
5.G
5.9
6.4
6.8
7.2
7.6
8.0
8.3
8.7
9.0
9.3
9.6
9.9
Yeir Flow Orifice Orifice
Over Flow of Flow of
Riser Riser Pipe
-__-(cfs)--- ____(cfs) (cfs)
o.o o.o D.o
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
0.0 0.0 0.0
D.0 0.0 0.0
3.2 8.3 24.1
13.9 13.5 24.8
28.9 17.2 25.5
47.0 20.3 26.2
67.9 22.9 26.9
91.3 25.3 27.6
116.8 27.5 28.2
764.3 29.5 28.9
173.7 31.4 29.5
204.8 33.7 30.1
9
Total Total
Full Yeir • Orifice + Con [rolling
Pipe Pe rforation Perforation Flow
Flow Flow Flow
(cfs)
__ (cfs>
__
__.__' (efs)
_.__
.______ (cfs)
_____
0.0 0.0 0.0 0.0
0.0 0.8 0.8 0.8
0.0 1.4 1.4 1.<
D,0 1.8 1.8 1.8
0,0 2.2 2.2 2.2
0.0 3.2 3.2 3.2
0.0 4.2 4.2 <.2
0.0 4.8 G.B 4.8
0.0 5.4 5.4 5.4
0.0 5.9. 5.9 5.9
0.0 6.4 b.L 6.4
15.6 10.0 75.1 10.0
16.1 21.2 20.8 76.7
76.5 36.5 24.9 16 _S
16.9 55.0 28.3 16.9
17.3 76.3 37.3 17.3
17.7 99.9 34.0 17.7
18.1 125.8 3b.5 18.1
18.4 153.6 38.8 18.4
18.8 183.3 41.0 16.8
79.2 21G .7 43.0 19.2
Water Engineering & Technology, Inc.