PERMFILE41923

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 10/4/2002
• Doc Name: Drainage and Sediment Control Plan
• Section_Exhibit Name: Tab 13 Attachment 13-5B
• Media Type: D
• Archive: Yes

RIPRAP IF REQUIRED I-FREEBOARD
~ 1.5 X D50 rD 1
Not o Scale
TYPICAL CHANNEL DESIGN

Channd Flow
0
(ate)
Slope
(~ Bottom N7dth
B)
n) Sidedope
H:1V
(n) DepN
o! Flaw (D)
(n)
VdoNty
(ro•)
Freeboard
(n)
Total Depth
(n)
Llnlnq Typa
PM -1 3.8 5-10 0 3 1.1 3.5 1.0 2.1 Veg
11-17 3 3 0.2 5.9 1.0 1.2 3" Grgvel
18-24 3 3 0.1 NA 1.0 1.1 Riprap
D50 12"

25-30
3
3
0.1
NA
1.0
1.1 Riprap
D5015"
PM -2 Upper 3.1 5-10 0 3 1.1 3.2 1.0 2.1 Veg
11-22 3 3 0.2 6.0 1.0 1.2 3" Gravel
23-25 3 3 0.1 NA 1.0 1.1 Riprap
D50 12"
PM -2 Lower 5.fi 5-9 0 3 1.2 3.9 1.0 2.2 Vey
10-12 3 3 0.3 6.0 1.0 1.3 3" Gravel
13-20 3 3 0.2 NA 1.0 1.2 Riprqp
D50 12"

21-25
3
3
0.1
NA
1.0
1.1 Riprqp
D5015"
PM -2A 2.1 5-10 0 3 1.0 2.7 1.0 2.0 Vey
11-33 3 3 0.2 5.9 1.0 1.2 3" Gravel
34-40 3 3 0.1 NA 1.0 1.1 Riprqp
D50 12"
PM -3 4.4 5-10 0 3 1.2 3.7 1.0 2.2 Veg
11-15 3 3 0.2 6.0 1.0 1.2 3" Grgvel
16-20 3 3 0.1 NA 1.0 1.1 Riprqp
D50 12"
PM -3-Lower 10.3 3-5 0 3 1.6 3.9 5.0 2.6 Veg
6-8 4 3 0.4 6.0 1.0 1.4 3" Grgvel
NOTES: 1) DEPTH OF FLOW BASED ON MINIMUM GRADE VELOCITY BASED ON MAXIMUM GRADE
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