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PIPE CULVERTS

TABLE IIB: Class of Reinforced Concrete Elliptical and Reinforced Concrete Arch Pipe for the Respective Equivalent Round Size of Pipe and Fill Heights over the Top of Pipe (English)

Equivalent Round Size Reinforced Concrete Elliptical Pipe, inches Reinforced Concrete Arch Pipe,
inches		 Type 1 Type 2 Type 3
Min. Fill Height Fill Height Not Exceeding 3' Fill Height Greater than 3' Not Exceeding 10' Fill Height Greater than 10' Not Exceeding 15'
Inches Span Rise Span Rise RCCP HE & A HE Arch HE Arch HE Arch
18
21
24
27
30
36
42
48
54
60
66
72		 23
30
30
34
38
45
53
60
68
76
83
91		 14
19
19
22
24
29
34
38
43
48
53
58		 22
26
28.50
36.25
36.25
43.75
51.125
58.50
65
73
88
88		 13.50
15.50
18
22.50
22.50
26.625
31.3125
36
40
45
54
54		 1' - 3"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"
1' - 0"		 HE-IV
HE-IV
HE-IV
HE-III
HE-III
HE-III
HE-II
HE-II
HE-I
HE-I
HE-I
HE-I		 A-IV
A-IV
A-IV
A-III
A-III
A-III
A-II
A-II
A-II
A-II
A-II
A-II		 HE-I
HE-I
HE-I
HE-I
HE-I
HE-I
HE-I
HE-I
HE-I
HE-I
HE-I
HE-I		 A-II
A-II
A-II
A-II
A-II
A-II
A-II
A-II
A-II
A-II
A-II
A-II		 HE-III
HE-III
HE-III
HE-III
HE-III
HE-III
HE-III
HE-III
HE-III
HE-III
HE-III
HE-III		 A-III
A-III
A-III
A-III
A-III
A-III
A-III
A-III
A-III
A-III
A-III
A-III


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Illinois Concrete Pipe Association
241 North 5th Street
Springfield, IL 62701 USA
Tel: 217.523.7473
Fax: 217.544.0086
Email: info@il-concretepipe.org
Website: http://www.il-concretepipe.org