44:73:12:44.  Pipe requirements. A facility shall ensure its piping system for potable water is installed to eliminate any dead-end runs of piping. Before placing any potable water system in service, the piping system must be disinfected in accordance with article 20:54 and certification must be available from the installer showing the method used, date of installation, test procedure used to verify chlorine concentrations, and date the system was flushed and placed in service.

    Pipe covering, vapor barriers, and adhesives must have a flame spread index of not more than twenty-five and a smoke emission factor of not more than fifty when tested in accordance with the ASTM E84-23D, 2010 edition, Standard Test Method for Surface Burning Characteristics of Building Materials.

    Source: 4 SDR 14, effective September 14, 1977; 6 SDR 93, effective July 1, 1980; 14 SDR 81, effective December 10, 1987; 22 SDR 70, effective November 19, 1995; 26 SDR 96, effective January 23, 2000; 27 SDR 59, effective December 17, 2000; 29 SDR 81, effective December 11, 2002; transferred from § 44:04:13:48, 42 SDR 51, effective October 13, 2015; 51 SDR 53, effective November 11, 2024.

    General Authority: SDCL 34-12-13.

    Law Implemented: SDCL 34-12-13.

    Reference: ASTM E84-23D, 2010 edition, Standard Test Method for Surface Burning Characteristics of Building Materials. Copies may be obtained at https://www.astm.org/e0084-23d.html. Cost: $119.00.