AWWA Comment Period on ANSI/AWWA C623-21 (formerly C6AA-XX) – Cured-In-Place (CIPP) Rehabilitation of Pressurized Potable Water Pipelines, 4 In. (100 mm) and Larger March 5, 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 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 April 19, 2021. Send comments to: Emily Meek 303.347.6192 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 Therefore, this copy is not suitable for continued utilization and is intended only for comment purposes.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 covers materials and procedures for the rehabilitation of existing water mains 4 in.(100 mm) in diameter and larger by the installation and curing of a resin impregnated tube that is either inverted into the main using a hydrostatic head of potable water or air pressure, or pulled into the main and subsequently inflated by potable water or air. MAJOR REVISIONS There are no major revisions because this is the first edition of this standard.