2007-06-01_PERMIT FILE - C1981019 ‎(3)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 6/1/2007
• Doc Name: Attachment 1 to Attachment 12
• Section_Exhibit Name: Exhibit 07 West Pit Pond 008A
• Media Type: D
• Archive: No

SEQGAD 4 for Windows
!`rw.rir+hY 1CG12 Dsmai~ 1 CrM++ah
Pond Inputs:
Initial Pooi Elev: 6,634.00
Initial Poo{: 5.48 ac-ft
*Sediment Storage: 0.00 ac-ft
peal Space: 20.00 %
*No S~di/pEtTt CapaCt'ty deftnad
Emerctencv Spillway
Crest Length left Right Bottom
Spillway Etev (ft) Sideslope Sideslope Width (R)
6,838.00 2L00 i.S0:1 1.Sd:i 24.40
Perforated Riser
Barret _ Number of
Riser Riser Height Barret Barre! Slope Manning's 0 Spillway E{ev Hales per
Diameter (ft) Diameter Len9~ (ft) ) Elev
(in) (in)
16.00 11.60 18.00 173.00 8.70 0.0250 6,837.00 3
pond Results:
Peak Elevation: 6,835.40
._ _~ H,grdph Detention Time: 13.68 hrs
Pand Model: CSiRS
Dewaker Time: 1.62 days
W ..-.--
Trap Efficiency: 77.58 9Yo
17ewatering time is catculatea' from weak stage tz~ /or~est spi/Iway
Elevakion

6,821.00
~~ 6,82150
6,$22.00
..6,822.50
6,823.00_
6,82350
6,824,00
6,824.50
6,825.t'~
6,825.40
Filename: Vdestpit 700yr 24hrsc4
Elevation-Ca pacity-pisch arae Table
Dewaber
Area Capacity Discha a
~ Time
(ac) (ac'ft) (~} (hrs)
0.131. 0.000 oA00 Top of Sed. Storage
0.275 ~~ 0•~~ 0.000
0.474 0.284 0.000 _^ ___~_
0.499 ~ 0.527 d.000 ____.___.._._
.
0.525
0.783
0.000
__..._.....___ _._......._.__.___
0.545 i.d5i 0.006 __,___
.._~
0.564
1.328
0.000
Y....____,.._
0.584 1.615 O.Q00 _ __...~._
0,604 1.912 OA00 ._..
0.620 2.157 0.000
13
Printed 01-27-2W6
Exh. 7-WP-71 Revision Date: 2/1/06
Revision No.: TR-63