Welcome to Illinois Concrete Pipe Association

STORM SEWERS

Strength Required for the Respective Diameters of Pipe and Fill Heights over the Top of the Pipe for Storm Sewers (English)

. Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 Type 7
Nominal Diameter Inches Fill Height:
Greater than 1'- 0" Not exceeding
3'		 Fill Height:
Greater than 3' Not exceeding 10'		 Fill Heights:
Greater than 10' Not exceeding 15'		 Fill Height:
Greater than 15' Not exceeding 20'		 Fill Height:
Greater than 20' Not exceeding 25'		 Fill Height:
Greater than 25' Not exceeding 30'		 Fill Height:
Greater than 30' Not exceeding 35'
10
12
15		 NA
IV
IV		 NA
III
III		 NA
IV
IV		 NA
V
V		 NA
V-3160D
V-3080D		 NA
V-3790D
V-3390D		 NA
V-4000D
V-3575D
18
21
24		 IV
IV
IV		 III
III
III		 IV
IV
IV		 V
V
V		 V
V
V		 V-3115D
V
V		 V-3300D
V-3100D
V
27
30
33		 IV
III
III		 III
III
III		 IV
IV
IV		 V
V
IV		 V
V
V		 V
V
V		 V
V
V
36
42
48		 III
II
II		 III
III
III		 IV
IV
IV		 IV
IV
IV		 V
V
V		 V
V
V		 V
V
V
54
60
66		 II
I
I		 III
II
II		 IV
IV
III		 IV
IV
IV		 V
V
IV		 V
V
V		 V
V
V
72
78
84		 I
I
I		 II
II
II		 III
III
III		 IV
IV
IV		 IV
IV
IV		 V
V
V		 V
V
V
90
96
102
108		 I
I
I
I		 II
II
II
II		 III
III
III
III		 IV
IV
IV
IV		 IV
IV
IV
IV		 V
V
V
V		 V
V
V
V


Back Next

|Home| |About ICPA| |Meet Our Staff| |Join ICPA|
|ICPA Directory| |Technical Info| |Web Resources| |Events|

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