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AWWA C550-24 Protective Interior Coatings for Valves and Hydrants, 2024
- Foreword [Go to Page]
- I. Introduction. [Go to Page]
- I.A. Background. This standard describes protective interior coatings for valves used for water supply, wastewater collection and treatment, and reclaimed water service having a pH range from 4 to 9 and for hydrants used for water supply service. The stan [Go to Page]
- I.B. History. An AWWA joint task group was formed on Jan. 15, 1971, to study protective coatings for valves and hydrants in response to a request from the Gate Valve and Swing Check Valve, Butterfly Valve, and Fire Hydrant Standards committees. The purpos [Go to Page]
- I.C. Acceptance. In May 1985, the US Environmental Protection Agency (USEPA) entered into a cooperative agreement with a consortium led by NSF International (NSF†) to develop voluntary third-party consensus standards and a certification program for direct
- II. Special Issues. This standard has no applicable information for this section. [Go to Page]
- III.A. Purchaser Options and Alternatives. The following information should be provided by the purchaser: [Go to Page]
- III.B. Modification to Standard. Any modification to the provisions, definitions, or terminology in this standard must be provided by the purchaser.
- IV. Major Revisions. Major revisions to the standard in this edition include
- V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services at 303.794.7711; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or e-mail at standards@awwa.org.
- AWWA Standard
- SECTION 1: GENERAL
- Sec. 1.1 Scope
- Sec. 1.2 Purpose
- Sec. 1.3 Application
- SECTION 2: REFERENCES
- SECTION 3: DEFINITIONS
- SECTION 4: REQUIREMENTS
- Sec. 4.1 Materials.
- Sec. 4.2 Coating Process
- SECTION 5: VERIFICATION
- Sec. 5.1 Test Procedures
- Sec. 5.2 Coating Repairs
- Sec. 5.3 Basis for Rejection
- SECTION 6: DELIVERY
- Sec. 6.1 Affidavit of Compliance [Go to Page]
- Handling, Inspection, and Holiday Testing [Go to Page]