AWWA C105/A21.5
Polyethylene Encasement for Ductile-Iron Pipe Systems
| Organization: | AWWA |
| Publication Date: | 1 December 2005 |
| Status: | inactive |
| Page Count: | 32 |
scope:
This standard describes materials and installation procedures for polyethylene encasement to be applied to underground installations of ductile-iron pipe. This standard also may be used for polyethylene encasement of fittings, valves, and other appurtenances to ductile-iron pipe systems.
Purpose
The purpose of this standard is to provide the minimum requirements for polyethylene sheet and tubes to be used for external corrosion protection of buried ductile-iron pipe, fittings, and appurtenances.
Document History