AWWA Announces Revision of ANSI/AWWA D110-95 Standard


The AWWA released a statement that the standard for Wire- and Strand-Wound, Circular, Prestressed Concrete Water Tanks ANSI/AWWA D110-04 has been revised.
This standard describes current recommended practice for the design, construction, inspection, and maintenance of wire- and strand-wound, circular, prestressed concrete water-containing structures with the following types of core walls:
Type I: cast-in-place concrete with vertical prestressed reinforcement
Type II: shotcrete with a steel diaphragm
Type III: precast concrete with a steel diaphragm
Type IV: cast-in-place concrete with a steel diaphragm
Major changes made to the standard in this edition include the following:
1. Definition of the term "designer."
2. Definition of purchasers engineering agent.
3. References to ACI 344 have been deleted and replaced with ACR 372R.
4. References to AASHTO T-260 test method have been deleted, and additional references to ASTM C882, D638, D698, D2240, and D2922 test methods have been added.
5. References to ASTM A185, A1008/1008M, C1218/1218M, and D1566 have been added.
6. Sections 2, 3, 4, and 5 have been extensively revised.
Current AWWA standards subscribers automatically receive revised standard and do not need to purchase them seperately. This standard may be purchased AWWA Standards at,, or at tel: 800.926.7337, Order no. 44110.

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