Headwall Details Required for Continuity of Open Ditches Under Roadways

1. Scope

This standard provides headwall details required for the continuity of open ditches under the roadways.

1. 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 ( ).