2015-10-06_PERMIT FILE - C1981019A ‎(5)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 10/6/2015
• Doc Name: Collom Access Road Culverts
• Section_Exhibit Name: Volume 20 Exhibit 24 Item 1
• Media Type: D
• Archive: Yes

Figure 4 - Nomograph for Jubb Creek Culvert
FHWA HEC 5
IF 428 Inlet conbol nomograph for corrugated steel Pipe culverts. The manu-
facturers recommended keeping HW1D to a maximum of 1.5 and preferably to no
more than 1.0.
Exh. 24-1-6 Revision Date: 09/21/15
Revision No.: TR -106
ISO-
10,000
144
.0,000 LOSS COEFFICIENT KB i j?
• 136
4,000 FOR VARIOUS ENTRANCE (2)
144
5,00p TYPES
6.
(3)
4,000 "w
SCALE
ENTRANCE
COEPFIGiENT
5.
6'
132
TYPE
120
ll)
INadwolf, sq. edge; or End
Section coeforerip to fill
0.5
8.
�-
-
-ss
2,000
slope
toe '
(2)
=dtoconformtosio a
0.7
4.
}C
(3)
Projecting from fill
0.9
3.
4.
84 3
1,000
3
Soo To use scale (2) at (3} protect
3'
44
horizonto�1yy
600 thim
use 1=19 t n i ed rine thto scale rough
2.
Soo 0 and Q scales, or reverse as
72
400 illustrated.
2•
u
300
2.
o
1.5
to
200 =
_
^
54 q-191
w
a
C
�f � (p (3 C-
1.5
1.5
CTg
too E
-
Cis
90 A
p
O
t
60
m
42
m
30 ` --� �_ f
1.0
-
1.0
- - 10
ro
40 EXAMPLE
1.0
e
36
30 Oram.(011■48in.e 4ft
0= 701t3/64c
33
20 -------_---_
0.9
30
Scale w HW L
0.8
0.8
o
27
_`-
(i) 1.0 Y Lofr
-
0.8
10 (2) 1.0 4.0
4 (3) 1.1 4.4
0.7
0.7
24
4
0.7
21
4
0.6
0.6
3
P
I4
0.6
N
2
10.5
15
'
O.S
112
1,0
HEADWATER DEPTH FOR
CORRUGATED STEEL PIPE CULVERTS
WITH INLET CONTROL
FHWA HEC 5
IF 428 Inlet conbol nomograph for corrugated steel Pipe culverts. The manu-
facturers recommended keeping HW1D to a maximum of 1.5 and preferably to no
more than 1.0.
Exh. 24-1-6 Revision Date: 09/21/15
Revision No.: TR -106