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AWWA Comment Period on ANSI/AWWA E103 – Horizontal Centrifugal and Vertical Line-Shaft Pumps

AWWA Comment Period on ANSI/AWWA E103 – Horizontal Centrifugal and Vertical Line-Shaft Pumps
June 18, 2021

AWWA solicits public comments on all proposed new AWWA Standards, and on all proposed revisions, reaffirmations, or withdrawals of existing AWWA Standards. The referenced standards project is being considered for approval and the publication of this notice begins the 45-day public comment period for AWWA and ANSI. An electronic public review copy of the proposed standard can be obtained for review during the comment period by emailing etssupport@awwa.org. Comments must be submitted in writing to the AWWA contact listed below no later than the last day of the comment period specified herein. Such comments shall be specific to the section(s) of the standard under review and include sufficient detail so as to enable the reader to understand the commenter's position, concerns and suggested alternative language, if appropriate.

AWWA Comment Period closes on August 2, 2021.

Send comments to:
Jason Hrdlicka
303.347.6285 phone

The review copy will be edited for publication and may also be revised as appropriate based on any comments received during the public comment period. Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.

Final publication of the standard may take several months. When it is available, a notice will be published in the official notice section of Journal - American Water Works Association. The standard becomes an effective AWWA standard on the first day of the month following such publication in Journal - American Water Works Association

SCOPE
This standard provides minimum requirements for horizontal centrifugal pumps and for vertical line-shaft pumps for installation in wells, water treatment plants, water transmission systems, and water distribution systems.

MAJOR REVISIONS
1. Moved former Section II, Special Issues for Consideration, and former Sec. III, Information for Manufacturers, from the Foreword to new Appendix F.
2. Material requirements for pump components have been clarified (Sec. 4.1.3). Former tables 1-4 of pump components and materials have been moved to Appendix A.
3. Dealloying corrosion and regulatory requirements have been clarified (Sec. 4.2.3).
4. Flange requirements have been updated and clarified (Sec. 4.2.4.7).
5. Impeller wear ring requirements have been updated (Sec. 4.2.4.9 and 4.3.1.11).
6. Forged elbows have been added to the discharge elbow section (Sec. 4.4.1.2).
7. Line shaft straightening requirements have been clarified (Sec. 4.4.2.2.6).
8. Impeller requirements have been updated (Sec. 4.4.3.5-4.4.3.7).
9. Outdoor storage requirements have been clarified in the packaging and shipping section (Sec. 6.2.1).
 

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