Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 656. Water Pollution Control Facility Construction Standards |
Subchapter 5. Sanitary Sewer Standards |
SECTION 252:656-5-3. Materials
Latest version.
- (a) ASTM. All pipe, materials and construction must meet ASTM standards. List the standard for all materials and methods in the detailed specifications.(b) Bedding. Specify the applicable ASTM material class of bedding, which must be matched to the proper strength pipe to support the anticipated loads.(c) Backfill. Specify the applicable ASTM standard for the backfill material and its placement.(d) Manholes. Specify the applicable ASTM standards for the manhole material, manhole installation and manhole testing to be used in the construction of the manholes. Bricks and/or concrete blocks will not be approved for manhole construction.