AWWA Standard C216 2015

This standard describes the material, application, and field-procedure requirements for protective exterior coatings consisting of heat-shrinkable, cross-linked polyolefin coatings. AWWA C216 also describes the application of protective exterior coatings to special sections, connections, and fittings to be used in underground and underwater steel water pipelines. Major revisions to this edition include: The title was changed to be consistent with other AWWA steel pipe coating standards. Definitions for potable water and supplier were added. The section on permeation was deleted. A table was added on quality control requirements of applied coating system. The section on cleaning was revised, including the deletion of abrasive blast cleaning. The section on filler material was revised with additional information on step-down area. The section on verification was revised. A section on quality assurance and records was added. Sections on primary input power and detector use were deleted. A section on coating appearance was added to address visual inspection. A more in-depth discussion of field adhesion to prepared steel section was added and includes requirements on adhesion test area, adhesion test procedures, rejection, frequency of testing and adhesion test repairs

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