When did the provisions for CPVC water piping become effective for residential construction?
The provisions of CPC 604.1b (604.1.1 in the 2001 CPC) became effective 180 days following the May 30, 2001 adoption of the regulations by the CBSC. The effective date was November 28, 2001. A-13. Is corrugated stainless steel tubing (CSST) an acceptable gas piping material for use in residential construction? Is CSST required to be treated as an alternate material or method, needing approval on a case-by-case basis? CSST gas piping is an approved material for use in residential construction provided it is part of a system listed by an approved agency complying with the reference standard in the 1998 California Mechanical Code (CMC). CSST would not be considered an alternate material when the proposed use complies with the product listing. The Department of Housing and Community Development has adopted Chapter 12, “Fuel Piping” as contained in the 1998 California Plumbing Code (CPC), as well as Chapter 13, “Fuel-Gas Piping” as contained in the CMC. The CPC does not contain specific pro
