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AWWA D100-21 Welded Carbon Steel Tanks for Water Storage, 2021
- Foreword [Go to Page]
- I. Introduction. [Go to Page]
- I.A. Background. In 1931, American Water Works Association (AWWA) Subcommittee 7H, whose members were L.R. Howson, H.C. Boardman, and James O. Jackson, prepared “Standard Specifications for Riveted Steel Elevated Tanks and Standpipes.” The specifications [Go to Page]
- I.B. History. In 1965, Appendix C was added to provide for the alternative use of higher-strength steels for standpipes and reservoirs. Other changes included the addition of requirements for the use of steel pipe as tubular columns and a wind–pressure fo [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. Proper use of this standard requires that the purchaser specify certain basic requirements. The purchaser may desire to modify, delete, or amplify sections of this standard to suit special conditions. It is stron [Go to Page]
- III.B. Information to Be Provided with Bid.
- III.C. Modification to Standard. Any modification of the provisions, definitions, or terminology in this standard must be provided in the contract documents.
- V. Comments. If you have any comments or questions about this standard, please call AWWA Engineering and Technical Services group at 303.794.7711; FAX at 303.795.7603; write to the department at 6666 West Quincy Avenue, Denver, CO 80235-3098; or e-mail at
- AWWA Standard
- SECTION 1: GENERAL
- Sec. 1.1 Scope
- Sec. 1.2 Definitions
- Sec. 1.3 Drawings to Be Provided
- Sec. 1.4 References
- SECTION 2: MATERIALS
- Sec. 2.1 General
- Sec. 2.2 Material Specifications
- SECTION 3: GENERAL DESIGN
- Sec. 3.1 Design Loads [Go to Page]
- Table 2 Velocity pressure exposure coefficient Kz [Go to Page]
- Table 3 Wind force coefficient Cf
- Table 4 Material classes [Go to Page]
- Table 5 Unit stresses—tension [Go to Page]
- Table 6 Unit stresses—compression
- Table 7 Unit stresses—primary bending
- Table 8 Unit stresses—shearing
- Table 9 Unit stresses—bearing
- Sec. 3.4 Allowable Compressive Stresses for Columns, Struts, and Shells [Go to Page]
- Table 10 Values of (R/t)c [Go to Page]
