AWWA COMMENT PERIOD ON AWWA C305 – CFRP Renewal and Strengthening of Prestressed Concrete Cylinder Pipe (PCCP)

AWWA COMMENT PERIOD ON AWWA C305 – CFRP Renewal and Strengthening of Prestressed Concrete Cylinder Pipe (PCCP)
December 8, 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 (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 Jan. 29, 2024.

Send comments to:
Frank Kurtz, fkurtz@awwa.org
303.347.6221 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 Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.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 the minimum requirements for material selection, design, installation, and quality control and quality assurance of the CFRP renewal and strengthening of PCCP. This standard covers all PCCP, including embedded-cylinder pipe (ECP) and lined-cylinder pipe (LCP). The scope of this standard is limited to the wet lay-up application of CFRP. This standard is not applicable to the design of CFRP liner for severely deformed PCCP.

MAJOR REVISIONS

Major revisions made to the standard in this revision include the following:

1. The definition for laminate rupture has been added to the definitions, Sec. 1.2.
2. The definition for rupture has been added to the definitions, Sec. 1.2.
3. Equation Eq 2-17 has been modified (Sec. 2.9.3).
4. Numerous editorial improvements have been made throughout the standard.