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The entire water distribution system within buildings shall be tested utilizing a water or air pressure test. All piping, fittings, valves and equipment except any atmospheric tank shall be tested to 1 1/2 times its designed pressure but not less than 100 psi (690 kPa). When the test pressure exceeds 100 psi (690 kPa) only a hydrostatic test shall be given.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 26)
In residential occupancies, hot water shall be supplied to plumbing fixtures and equipment utilized for bathing, washing, culinary purposes, cleansing, laundry or building maintenance. In nonresidential occupancies, hot water shall be supplied for culinary purposes, cleansing, laundry or building maintenance purposes. In nonresidential occupancies, hot water or tempered water shall be supplied for bathing and washing purposes.
No water exceeding 140°F (60°C) shall discharge into any lavatory, sink, bathtub or shower. This provision shall not supersede the requirements for temperature-limiting valves in Section 18-29-424.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 27)
A thermostat control for a water heater shall only serve as the temperature limiting means for the purpose of complying with the requirements of this chapter for maximum hot or tempered water delivery temperature at fixtures where the water heater complies with ASSE 1082 or ASSE 1085.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 27)
Tempered water shall be controlled by one of the following:
1. A limiting device conforming to ASSE 1070/ASME A112.1070/CSA B125.70 and set to not greater than 100°F (43°C).
2. A thermostatic mixing valve conforming to ASSE 1017.
3. A water heater conforming to ASSE 1082.
4. A water heater conforming to ASSE 1084.
This provision shall not supersede the requirement for protective shower valves in accordance with Section 18-29-424.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 27)
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