PERMFILE52686

• Permit No: C1994082
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: 10- YEAR 24 HOUR SEDCAD ‎(INPUT AND OUTPUT)‎
• Section_Exhibit Name: TAB 13 ATTACHMENT 13-12A.3 ADDENDUM 13-12A-A
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyngh11998 Pamela J. Schwab
Civil Software Design
6
Structure Detai/;
Structure #1 (Ponc1
Pond 12
Pond Inputs:
Initial Pool Elev: 7,252.00
Initial Pool: 2.54 ac-R
'Sediment Storage: 11.55 ac-R
Dead Space: 20.00 °~
*.Sediment capacity based on Average Annua/ R of30. o for 1 year(s)
Perforated Riser
Riser Barrel Number of
Diameter Riser Height .
Diameter Bartel Barrel Slope Manning's n Spllhvay Elev Holes per
(In) {ft) (in) Length (R) (%) Elev
30.00 5.00 24.00 102.00 5.00 0.0240 7,254.00 3
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Emergency Spillway
Spillway Elev Crest Length Left Right Bottom .
(ft) Sideslope Sideslope Width (R)
7,257.00 50.00 3.00:1 3.00:1 15.00 ~
Pond Results:
Peak Elevation: 7,255.76
H'graph Detention Time: 4.58 hrs
Pond Model: CSTRS
Dewater Time: 2.32 days
Trap ERiciency: 64.59
Dewatering time is ca/culated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
Area Capacity Discharge Dewater
ElevaOon Time
(ac) (ac-ft) (~s) (hrs)
7,249.70 1.038 0.000 D.000 Top of Sed. Storage
7,250.00 1.055 0.313 0.000
7,250.50 1.084 O.B98 0.000
7,251.00 1.114 1.397 0.000

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Filename: pondl2asbltl0.sc4 Printed 03-20-2000