REINFORCED CONCRETE PIPE CHART - Development Services

PIPE
I.D.
MAX.
1 RC STORM DRAIN ASTM C-76 & BEDDING FACTOR
TRENCH
CL. II = 1000D CL. M = 1350D CL. IV = 2000D CL. V = 3000D
WIDTH 1.9 3.0 1.5 1.9 3.0 1.5 1.9 3.0 1.5 1.9 3.0
34" 304- 30+ 30+
40" 30+ 30 18
46" 18 16 12
18" 52"
14 12
10
8" 12 12 10
4" 12 12 10
70"+ 12 12 10
1" 30 30+ 30+ 30+
7" 16 30+ 30 20
3" 12 20 18 14
24" 9" 10
30" 73"
11111=11
S
1
16 14 12
5" 9 12 1 10
1" 9 12 12 10
7" 9 12 12 10
3"+ 12 12 10
49" 24 30+ *12 30+
I
55" 16 30+ *9 28
61" 14 22 *8 20
67" 10 18 *7 16
9
14 *6 14
79" 9 12 *6 12
85" 9 12 *6 12
91" 9 12 *6 12
97"+ 9 12 *6 12
56" 22 30+ *12 30+ 28
62" 16 30 *10 26 20
68" 14 22 *8 20 16
74" 12 18 *7 16 14
36" 10" 10 16 *7 14 12
42" 87"
,r)
N
N
16" 9
14 *7 12
10
2" 9 12 *7 12 10
98" 9 12 *7 12 10
104" 9 12 *7 12 10
110"+ 9 12 *7 12 10
63" 16 30+ *12 30+ 26
69" 14 30 *10 26 20
81" 10 20 *8 18 14
■10
00
9 16 *7 16 12
99" 8 14 *7 12 10
05" 8 12 *7 12 10
23"+ j 8 12 *7 12 10
71" 20 16 30+ *12 30+ 24
77" 16 14 28 *10 26 20
13" 14 12 24 *9 20 16
19" 12
10 20 *8 18 14
48" 101" 10 9 16 *7 14 12
07" 10 9 14 *7 12 10
19" 10 9 12 *7 12 10
37"+ 10 9 12 *7 12 10
78" 20 16 304- *12 30 24
4,1
84" 16 14 28 *10 24 20
54" 96" 14 10 20 *8 18 16
)2" 12 10 18 *8 16 14
)8"
10
9 16 *8 14
12
114" 10 9 14 *8 14 12
126" 10 9 12 *8 12 10
132" 10 9 12 *8 12 10
150"+ 10 9 12 j *8 12 10
S
NNW
kr)
MIN. COVER 3 2 3 2 2 3 2 1 2 1 1
NOTES: 1. Numbers preceded by an asterisk (*) indicate minimum cover may be reduced 1 ft.
2. Numbers in tables indicate maximum allowable cover on pipe in feet. Standard
highway loading is included.
3. NL = No load allowed on pipe in this category.
C=>
00
N
N
en
••■■
•1:>
N
N
N
6
00
e%S■
t ,Irtt et t, t ■t■ 00
fl rn en en en en en en N
=CP
CITY OF
REINFORCED CONCRETE PIPE CHART
STAN DAR D PLAN
2002
DRAWN: STAFF ICKD • STAFF/43 PLATE 529
Department of Public Works ARPR
Granville M. Bowman
SHEET 1 OF 2

PIPE
I.D.
60"
66"
72"
78"
84"
90"
MAX.
TRENCH
WIDTH
85"
91"
97"
103"
109"
121"
127"
133"
145"
163"+
93"
99"
105"
111"
123"
129"
135"
147"
159"
177"+
100"
106"
112"
118"
124"
136"
148"
160"
178"
190"
107"
113"
125"
131"
137"
143"
155"
161"
173"
185"
114"
120"
126"
138"
144"
156"
162"
168"
180"
186"+
122"
128"
146"
158"
170"
176"
a+ co oo N N N N r- r- r- Ch 00 00 N N N N N r- r- CT CT 00 N NN N N N N CT Ch N N N N N N N N Ch O100 N N N NN N r- Ch Ch NN N r- ,
RC STORM DRAIN ASTM C-76
& BEDDING FACTOR
CL.II = 1000D 1 CL M =1350D CL. IV = 2000D CL. V = 3000D
1.9 3.0 1.5 1.9 3.0 I 1.5 1.9 3.0 IS 1.9 3.0
20 1
16 30+ *12 28 *30+ 22 *30+ *30+
16
14 26 *10 24 *30+ 20 *30+ *30+
14
12 24 *9 22 *30+ 18 *30+ *30+
14
10 20 *9 18 *30+ 16 *30+ *30+
12
10 18 *8 16 *30+ 14 *30 *30+
10
9 16 *8 14 *28 12 *26 *30+
10
9 14 *8 14 *24 12 *22 *30+
10
9 14 *8 12 *22 12 *22 *30+
10
9 12 *8 12 *20 12 *18 *30+
10
9 12 *8 12 *18 12 *18 *28
18
16
14
14
12
10
10
10
10
10
18
16
16
14
12 9
12
10
10
10
10
18
16
14
14
12
12
12
12
12
12
18
16
16
14
12
12
12
12
12
12
18
16
14
12
12
12
4D 41 41 41 VI VI 41 41 41 41 VD 41 41 un U1 41 41 VI 41 41
V:.> 41 41 41 41 41 41 41 41 ' VD 41 41 41 41 41 41 41 41 4D 4D 41 41 41 V.
14
14
12
12
9
9
9
9
9
9
14
14
12
12
10
10
10
10
10
10
14
14
12
10
10
10
10
10
10
10
14
14
12
10
10
10
10
10
10
10
14
14
12
10
10
10
30
26
24
20
18
16
14
14
14
14
30
26
24
20
20
16
14
14
14
14
*28
*26
*22
*20
*18
*16
*14
*14
*14
*14
*28
*26
*22
*20
*18
*16
*16
*14
*14
*14
*28
*24
*20
18
16
14
•
*12
*10
*10
*9
*8
*8
*8
*8
*8
*8
*12
*10
*10
*9
*8
*8
*8
*8
*8
*8
*12
*10
*9
*9
*8
*8
*8
*8
*8
*8
I *12
*10
*10
*9
*9
*9
*9
*9
*9
*9