PERMFILE130375

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08h HYDROLOGIC EVALUATION OF SEDIMENTATION PONDS A, D AND G
• Media Type: D
• Archive: No

•
•
C~
Table 5
ECILMAN PARK NINE - POND G
COMPUTATION OF FLOW TNROUGN RISER PIPE
DESIGN DATA
Riser Pipe Outlet Pipe
Crest Elev (ft) 6833.20 Flawline Elev (ft) 6824.00
Diameter (ft) 2.00 Diameter (ft) 1.50
Length (ft) 95.00
Riser Perforations Manning n 0.025
Nunher of holes 4 Kx 0.50
D iame[er (in) 4.00 Km 0.50
Elevations (tt) 6826.30 Kp 0.067
6830,30 Tailuater Elev (f t) 6824.50
CClIPUTED DISCHARGES CONSIDERING FLOW TNROUGH PERFORATIONS, WEIR FLOW INTO RISER, ORIFICE FLOW INTO RISER,
ORIFICE FLOW INTO PIPE AND FULL P[PE FLOW CONO IT[ONS
Stage Orifiee
Flow
Perforations
6828.0
6828.5
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
Total Total
Veir Flow Orifice Orifice Full Weir + Orifice +
Over Flow of Flow of Pipe Perforation Perforat for
Riser Riser Pipe flow Flow fto~
(cfs)
, (cfs)
- -__-(cfs)---- -_•(c 1s )
-_ --
(cfs)---- ---(cfs)
-
-
0.0 -
----
0.0 0.0 -
0.0 -
-
0.0 0.0
0.0 0.0 0.0 0.0 0.8 0.8
0.0 D.0 0.0 0.0 1.4 1.4
0.0 0.0 0.0 0.0 1.8 1.8
0.0 0.0 0.0 0.0 2.2 2.2
0.0 0.0 0.0 0.0 3.2 3.2
0.0 0.0 0.0 0.0 4.2 4.2
D.0 0.0 0.0 0.0 4.8 4.8
0.0 0.0 0.0 0.0 5.4 5.4
0.0 0.0 0.0 0.0 5.9. 5.9
0.0 0.0 0.0 0.0 6.4 6.4
3.2 8.3 2G.1 15.6 10.0 15.1
13.9 13.5 24.8 16.1 21.2 20.8
28.9 17.2 25.5 76.5 36.5 24.9
47.0 20.3 26.2 76.9 55.0 28.3
67.9 22.9 26.9 17,3 76.3 31.3
91.3 25.3 27.6 17.7 99.9 34.0
176.8 27.5 28.2 18.5 525.8 36.5
14<.3 29.5 28.9 18.4 753.6 38.8
173.7 31.4 29.5 18.8 183.3 41.0
204.8 33.7 30.1 19.2 216.7 43.0
0.0
0.8
1.4
1.8
2.2
3.2
G.2
4.8
5.4
5.9
6.G
6.8
7.2
7.6
8.0
8.3
8.7
9.0
9.3
9.6
9.9
Controlling
F IOY
(cfs)
0.0
0.8
1.4
1.8
2.2
3.2
4.2
4.8
5.4
5.9
6.4
70.0
16.1
16.5
56.9
17.3
77.7
18.1
18.4
78.8
19.2
Water Engineering 8 Technology, Inc.