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AWWA D101-24 Evaluation of Steel Water Tanks and Related Facilities, 2024
- Foreword [Go to Page]
- I. Introduction [Go to Page]
- I.A. Background. The purpose of this standard is to provide an outline of observation procedures required for the construction and fabrication of new welded carbon-steel water storage tanks, bolted carbon-steel water storage tanks, Aldrich units, clearwel [Go to Page]
- I.B. History. The earliest edition of AWWA D101 (then titled AWWA D101 Standard for Inspecting and Repairing Steel Water Tanks, Standpipes, Reservoirs, and Elevated Tanks, or Water Storage) was prepared by a joint committee of AWWA, the New England Water [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. 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.
- III.A. Modification of Standard. Any modification to the provisions, definitions,
or terminology in this standard must be provided by the purchaser.
- IV. Major Revisions. This is the first edition of the standard.
- 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, Colo. 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
- Sec. 1.4 Items Not Covered
- SECTION 2: REFERENCES
- SECTION 3: DEFINITIONS AND NOMENCLATURES
- Sec. 3.1 Terms for Water-Containing Structures
- SECTION 4: INSPECTION OF NEW TANK CONSTRUCTION
- Sec. 4.1 Geotechnical Work for New Structure Construction
- Sec. 4.2 Foundations for New Construction
- Sec. 4.3 Documentation of New Structure Construction
- Sec. 4.4 Weld Quality
- Sec. 4.5 Accessories
- Sec. 4.6 Coating and Lining Observation
- Sec. 4.7 Welded Steel Storage Tanks
- Sec. 4.8 Bolted Steel Tanks
- Sec. 4.9 Composite Elevated Tanks
- Sec. 4.10 Aldrich Units, Clearwells, Clarifiers, and Filter Beds
- Sec. 4.11 Hydropneumatic Tanks
- SECTION 5: FIRST-ANNIVERSARY EVALUATION
- Sec. 5.1 Evaluation Method
- Sec. 5.2 Preparation, Planning, and Reporting
- Sec. 5.3 Coatings—Visual
- Sec. 5.4 Condition of Structure and Appurtenances
- Sec. 5.5 Sanitary Conditions
- Sec. 5.6 Safety Conditions
- Sec. 5.7 Tank and Site Security
- Sec. 5.8 Cathodic Protection
- Sec. 5.9 Disinfection
- SECTION 6: QUALIFICATIONS
- Sec. 6.1 Scope
- Sec. 6.2 Considerations for Intent of Observation
- Sec. 6.3 Considerations for Type of Structure [Go to Page]
- Appendix A [Go to Page]
- Bibliography
- Appendix B [Go to Page]
- Steel Water Tank Industry Standards, Organizations, and Information Sources
- Appendix C [Go to Page]
- Inspection Certifications and Associations
- Appendix D [Go to Page]
- Sample Forms
- APPENDIX E [Go to Page]
- Commentary [Go to Page]
