2011-06-29_PERMIT FILE - C1981019A ‎(20)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• 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 .,,.;,.M wog -vmo on,..em , c.w,.nn
w/o Freeboard w/ Freeboard
050: 18.00 in
Dmax: 22.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #IS (Pond)
SEC. 28 SED TRAP 2
Pond Inputs:
Initial Pool Elev: 6,219.60 ft
Initial Pool: 0.13 ac-ft
Emeraencv SD illwav
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
8,224.50 20.00 2.00:1 2.00:1 10.00
Pond Results:

Peak Elevation: 6,223.06 ft
Dewater Tme: 0.00 days
Dewatering time is calculated from peak stage to lowest spi/lway
t1
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-ft) Discharge Dewater
Tme
(ds) (hrs)
6,219.00 0.200 0.000 0.000
8,219.50 0.217 0.104 0.000
8,219.60 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
8,222.00 0.313 0.763 0.000
8,222.50 0.334 0.924 0.000
8,223.00 0.356 1.097 0.000
8,223.06 0.359 1.120 O.OOD 0.00 -eak Stage
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
6,225.00 0.450 1.900 1.630
•
Filename: STSec28PMP.010807.sc4
Etch. 7-20A-87
Printetl 01-OB-2007
Revision Date: 1/05/07
Revison No.: PR-02