PERMFILE110281

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 5/4/2007
• Doc Name: Section 28 Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part A -ST
• Media Type: D
• Archive: Yes

•
SEDCAD 4 for Windows
r,.~,,.:..n. goon-arm oe...e~~ i e..~.,.,~n
11
w/o Freeboard w/ Freeboard
D60: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may no[ apply for this method.
Structure #IS (Pond]
SEC. Z8 SED TROP Z
Pond Inputs:
Initial Pool Elev: 8,219.60 ft
Initial Pool: 0.13 ac-ft
Emeroencv Sp illway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Wid[h (ft)
8,224.50 20.00 2.00:1 2.00:1 10.00
Pond Results:

Peak Elevation: 8,221.73 ft
Dewater Time: 0.00 days
Dewatering time is calcu/ated from peak stage to lowestspillway
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-R) Discharge Dewater
Time
(~s) (hrs)
8,219.00 0.200 0.000 0.000
8,219.50 0.217 0.104 0.000
6,219.60 0.221 0.126 0.000
8,220.00 0.235 0.217 0.000
8,220.50 0.253 0.339 0.000
8,221.00 0.272 0.471 0.000
8,221.50 0.292 0.612 0.000
8,221.73 0.302 0.682 0.000 0.00 Peak Stage
8,222.00 0.313 0.763 0.000
6,222.50 0.334 0.924 0.000
8,223.00 0.356 1.097 0.000
8,223.50 0.378 1.260 0.000
8,224.00 0.401 1.475 0.000
8,224.50 0.425 1.682 0.000 Spillway #1
8,225.00 0.450 1.900 1.830
• Filename: STSec28Hundred24,010807.sc4 Printed Ot-OB-2007
Each. 7-20A-55 Revision Date: 1/05/07
Revison No.: PR-02