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

Table 3
•
ECILYAN PARK NINE - POND D
COMPUTATION OF FLOP iHROUGX RISER PIPE
DESIGN DATA
Riser Pipe Outlet Pipe
Crest Elev (fc) 6849.90 Flcwline Elev (ft) 6843.40
Diameter (f t) 2.00 Dianeter (f t) 1.50
Le.^.Sth (ft) 80.00
Riser Perforations Naming n 0.025
Nunber of holes 4 KA 0.50
Diameter (in) 4.00 Km 0.50
Elevations (ft) 6846.50 Kp 0.067
6848.50 Tailwater Elev (tt) 6844.10
COMPUTED DISCHARGES CONSIDERING FLOP Sii0.0UGX PERFORATIONS, YEl0. FLOP INTO R[SER, ORIFICE FLOP INYO RISER,
ORIFICE FLOP INTO PIPE AND FULL PIPE FLCY CONDITI ONS
Total fatal
Stage Orifice Weir Flow Critice Orif ite Full Yeir • Orifice * Control Ling
flow Over Flaw of Flow of Pipe Perforation Perforation Flow
•
Perforations Riser kiser Pipe Flow Flow Flow
(cfs) (cfs) (cfs) (cfs) (cfs) (efs) (cfs) (cfs)
6846.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6846.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
6847.0 1.2 0.0 0.0 0.0 0.0 1.2 1.2 1.2
6847.5 1.7 0.0 0.0 0.0 0.0 1.7 1.7 1.7
6&8.0 2.1 0.0 0.0 0.0 0.0 2.1 2.1 2.1
6848.5 2.4 0.0 0.0 0.0 0.0 2.4 2.4 2.4
6849.0 3.8 0.0 0.0 0.0 0.0 3.8 3.8 3.8
6849.5 4.6 0.0 0.0 0.0 0.0 4.6 4.6 4.6
6850.0 5.2 0.6 4.8 19.2 13.6 5.8 10.0 5.8
6850.5 5.7 9.1 11.7 20.1 14.2 14.8 17.5 1G.2
6851.0 6.2 22.5 15.9 21.0 14.7 28.7 22.1 14.7
6851.5 6.7 39.4 19.1 21.9 15.3 46.1 25.8 15.3
6852.0 7.1 59.3 21.9 22.7 15.8 66.4 29.0 15.8
6852.5 7.5 81.7 24.4 23.5 16.3 89.1 31.9 16.3
6853.0 -7.9 106.3 26.6 24.2 16.7 114.2 34.5 16.7
6853.5 8.2 133.0 28.7 25.0 17.2 141.2 36.9 17.2
6854.0 8.5 161.7 30.6 25.7 17.6 170.2 39.2 17.6
6854.5 8.9 192.2 32.4 26.4 18.1 201.0 41.3 18.1
6855.0 9.2 224.3 34.2 27.0 18.5 233.5 43.3 18.5
•
6
Water Engineering 8 Technology, Inc.