A facility shall ensure its water supply system supplies water to the fixtures and equipment on the facility's upper floors at a minimum pressure of fifteen pounds per square inch, or 1055.9 kilograms per square meter, during maximum demand periods. Each water service main, branch main, riser, and branch to a group of fixtures must be valved. Stop valves must be provided at each fixture. Hot, cold, and chilled water piping and waste piping on which condensation may occur must be insulated. Insulation of cold and chilled water lines must include an exterior vapor barrier.

Source: SL 1975, ch 16, § 1; 6 SDR 93, effective July 1, 1980; 14 SDR 81, effective December 10, 1987; 22 SDR 70, effective November 19, 1995; 28 SDR 83, effective December 16, 2001; transferred from § 44:04:13:34 , 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 .

Prior versions effective: 2015-10-13.