PERMFILE51108

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08H‎(1)‎ Montgomery Watson Evaluation of Pond D 1999
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
CoOYnght 1998 Pamela J Schwab
Civil Software Design
•
Structure #1 (Pond
Pond D
Pond Inputs:
Structure Detai/;
Initial Pool Elev: 6,847.40
Initial Pool: 7.51 ac-R
Pertorated Riser
Riser Riser Height Barrel game) Barrel slope Mumber of
'
Diameter (R) Diameter Length (ft) (ajo) Manning
s n Spillway Elev Holes per
(in) (in) Elev
24.00 6.60 18.00 80.00 0.90 ~ 0.0250 6,850.40 4
Emeroencv Spillway
• Pond Results:
Spillway Elev Crest Length LeR Right Bottom
(R) Sideslope Sideslope Width (ft)
6,853.00 10.00 3.00:1 3.00:1 90.00
Peak Elevation: 6,852.27
H'graph De[ention Time: 9.69 hrs
Dewater Time: 3.16 days
Dewatering time is ca/culated from peak staoe to lowest spillway
Elevation-Capacity-Discharoe Table
I

Elevation Area

(ac) Capaaty

(ac-R) Discharge Dewater
Tme
(~s) (hrs)
6,840 .40 0.000 0.000 0.000
6,840. 90 0.039 0.006 0.000
6,641 .40 0.155 0.052 0.000
6,841 .90 0.349 0.174 0.000
6,842 .40 0.620 0.413 0.000
6,842 .90 0.912 0.794 0.000
6,643 .40 1.261 1.335 0.000
6,843 .44 1.290 1.386 0.000
6,843. 90 1.566 2.042 0.000
6,844. 40 1.896 2.906 0.000
Filename PontlDlA.sc4
Printetl OS-06-1999
D-26