1. Scope
This standard provides headwall details required for the continuity of open ditches under the roadways.
2. Reference
Reference is made in this standard to the following document. The latest issue, amendments, and supplements to this
document shall apply unless otherwise indicated.
SABIC Engineering Standards (SES)
B51-S01 Cast-In-Place Reinforced Concrete
CONTENTS
FIGURE
1
Type A Headwall …………………………………………………………………………………. 3
2
Type B Headwall
4
3
Type C Headwall
5
TABLE
I
Concrete Quantities for Type A Headwall ……………………………………………….. 6
II Concrete Quantities for Type B Headwall
6
III Concrete Quantities for Type C Headwall
7
FIGURE 1
Type A Headwall
FIGURE 2
Type B Headwall
Note:
1. Dimensions shown thus ( ) are in inches and feet.
2. For concrete cover, see SES B51-S01.
FIGURE 3
Type C Headwall
Note:
1. Dimensions shown thus ( ) are in inches and feet.
2. For concrete cover, see SES B51-S01.
TABLE I
Concrete Quantities for Type A Headwall
Note:
(1) Do not use with process sewers.
(2) For concrete construction, see SES B51-S01.
(3) Primary pipe size is in inches and given in ( ).
TABLE II
Concrete Quantities for Type B Headwall
Note:
(1) Do not use with process sewers.
(2) For concrete construction, see SES B51-S01.
(3) Primary pipe size is in inches and given in ( ).
TABLE III
Concrete Quantities for Type C Headwall
Note:
(1) Do not use with process sewers.
(2) For concrete construction, see SES B51-S01.
(3) Primary pipe size is in inches and given in ( ).