PERMFILE55958

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08 TAB 4.16 West Rockfall Hazard Trench Outslope, X-Sect G-J, 10yr 24hr SAE
• Media Type: D
• Archive: No

Civil Software Design -- SEDCAD+ Version 3.1
Copyright (C) 1987-1992. Pamela 3. Schwab. All rights reserved.
Company Name: Greystone Development Consultants
Filename: C:\SCAD\DT\TCC\SAEGJOUT User: CW BEGEJ
Date: 06-06-1995 Time: 15:14:59
SAE DEMO, WEST ROCKFALL HAZARD TRENCH OUTSLOPE, X-SECT G-J, 10-YR 24-H
Storm: 1.80 inches, 10 year-24 hour, SCS'Type II
Hydrograph Convolution Interval-: o.l hr
NON-POND STRUCTURE INPUT/OUTPUT TABLE
J1, B1, S1
OUTSL G-J
Drainage Area from J1, B1, Sl, SWS(s)1-3: 1.8 acres
Total Contributing Drainage Area: 1.8 acres
GRASS FILTER INPUTS:
Bulk Specific Gravity: 1.25
Initial Depth of Sediment in Zone D: 0.00 inches
Manning's Grass Grass Infiltration Stiffness ------ Filter ------
Seg n Height Spacing Rate Factor Length Width Slope
# (in) (in) (iph) (N-sq m) (ft) (ft) ($)
1 0.0120 9.0 1.0 0.05 20.000 5.0 500.0 33.0
Total Filter Peak Critical Filter S ediment
•
Trap Infiltration Infiltrat ion Flow Prone Travel Wedge Depth
Efficiency Volume Rate Depth Velocity Time Location i n Zone 1
($)
- -- -- (ac-ft)
-------- (cfs)
-------- (inch)
--------- (fps) (hrs)
----------- (feet)
---
--
--
- (inch)
----
87.2 0.0034 0.002 9 0.031 -
--
-
1.0367 0.1000 0.027 0.105:
Runoff Peak Peak Sediment Peak Settleable
Volume Discharge Sediment Concentration Concentration 24VW 24AA
(ac-ft) (cfs) (tons) (mg/1)
- - ml/1
- -
-
- (ml/1)
-- (ml/1)

IN 0.14
1.70
1.0
9953 -
-
-- -
-
6.74 -- ---
3.74
0.91
OUT 0.13 1.69 0.1 1819 0.05 0.02 0.00
t,t+t****,r**,r**,-**,r*,t,-*#~,-****r~#**********~*~**************,ra*r-********~***~*r*~
•.)
TAB 4.16, PG 3
EX 8-175 11/1/99
Permit Renewal No. 3 FORMERLY