scope:

This standard covers 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 purchasers, manufacturers, and constructors with the minimum requirements for polyethylene sheet and tubes to be used for external corrosion protection of buried ductile-iron pipe, fittings, and appurtenances.

Application

This standard or sections of this standard can be referenced in specifications for the purchasing and installation of polyethylene sheet or tubes for corrosion protection of buried ductile iron pipe, fittings,