AWWA COMMENT PERIOD FOR AWWA C231 – Field Welding of Stainless-Steel Pipe

AWWA COMMENT PERIOD FOR AWWA C231 – Field Welding of Stainless-Steel Pipe
October 6, 2023

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 ETS Support. 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 Nov. 20, 2023.

Send comments to:
Liz Ralph
303.347.6177 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 Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.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 describes manual, semiautomatic, and automatic field welding by the metal arcwelding processes for stainless-steel potable water, wastewater, and reclaimed water pipe manufactured in accordance with ANSI/AWWA C220. 

MAJOR REVISIONS
Major revisions made to the
standard in this edition include the following:
1. Updated Sec. I.C. Acceptance in the Foreword with the latest Standards Council language reflecting the addition of reference to NSF/ANSI/CAN 372 and NSF/ANSI/CAN 600.
2. In Sec. 2 References ASTM A380 was added.
3. The definition for welding operator was added to Sec. 3 Definitions.
4. Updated Sec. 4.1.1 Materials with the latest Standards Council boilerplate language.
5. Sec. 4.2.3 Butt joints was revised to better define the different types of butt joints.
6. A new Sec. 4.3.2 Welding procedure specification (WPS) was added.
7. A sentence was added to Sec. 4.3.3 Welding procedure qualification record (PQR) to better define PQRs.
8. The cleaning language in Sec. 4.5.6 Application and weld contour was removed and a new Sec. 4.7 Cleaning and Descaling was added to provide guidance on cleaning, descaling and heat tint removal.
9. Sec. 5.1.4 Visual inspection was revised for clarity.
10. Sec. 6.1 Marking was expanded to include a requirement for contaminants in markings.
11. Table A.2 was revised to include base metal grade and types for 316L.