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AWWA C224-24 Nylon-11 Based Polyamide Coatings and Linings for Steel Water Pipe and Fittings, 2024
- Foreword [Go to Page]
- I. Introduction. [Go to Page]
- I.A. Background. Polyamide (Nylon-11-based) coatings and linings are thermoplastics. Typically, they are placed by applying dry polyamide powder (ordinarily in a controlled plant environment, by any of several techniques—e.g., electrostatic spray, immersi [Go to Page]
- I.B. History. C224-01 was the first standard specifically concerning polyamide coating and lining systems. However, it is noted that polyamide-based systems have been used according to ANSI/AWWA Standard C550-01. Subsequent editions were approved by the A [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. [Go to Page]
- II.A. Advisory Information on Material Application. This standard defines the use of polyamide systems for the lining and coating of steel articles used for water handling in the following environments: aboveground, belowground, or underwater under normal
- III. Use of This Standard. It is the responsibility of the user of an AWWA standard to determine that the products described in that standard are suitable for use in the particular application being considered. [Go to Page]
- III.A. Purchaser Options and Alternatives. The following items should be provided by the purchaser:
- IV. Major Revisions. Major changes made to the standard in this edition include the following:
- 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.
- 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 Equipment
- Sec. 4.2 Materials and Workmanship
- Sec. 4.3 Coating System
- Sec. 4.4 Surface Preparation
- Sec. 4.5 Polyamide system application
- Sec. 4.6 Coating Fittings and Specials
- Sec. 4.7 Coating Repair
- Sec. 4.8 Field Joints
- Sec. 4.9 Field Procedures
- SECTION 5: VERIFICATION
- Sec. 5.1 Coating Materials Prequalification
- Sec. 5.2 Requirements of Coating and Lining Systems
- Sec. 5.3 Quality Assurance and Records
- Sec. 5.4 Inspection and Testing by the Purchaser
- Sec. 5.5 Quality Control Requirements of Applied Polyamide Systems
- Sec. 5.6 Rejection
- SECTION 6: DELIVERY
- Sec. 6.1 Marking
- Sec. 6.2 Packaging and Shipping
- Sec. 6.3 Affidavit of Compliance [Go to Page]
