Section 12.39.312. Scope of a mechanical administrator license in the residential plumbing and hydronic heating category.

	(a)  The holder of a mechanical administrator license in the residential plumbing and hydronic heating category may supervise, in accordance with AS 08.40.400, all work described in (b) of this section for a single-family dwelling, or a duplex dwelling not exceeding three stories.  
	(b)  Residential plumbing and hydronic heating work includes the installation, alteration, or retrofitting of  
		(1) plumbing, fixtures, and water conditioners for a single-family dwelling, or a duplex dwelling not exceeding three stories;  
		(2) hot water heating systems not exceeding 50 P.S.I. working pressure for a single family dwelling, or a duplex dwelling not exceeding three stories;  
		(3) existing plumbing systems, including fixtures, softener installation, and accessories;  
		(4) fuel gas piping downstream of the gas meter, or fuel tank and fuel oil piping for a single-family dwelling, or a duplex dwelling not exceeding three stories; and  
		(5) lawn sprinkler systems that are connected to a potable water supply, including excavation and backfilling as necessary for proper installation of the system.  
	(c)  A mechanical administrator licensed in the residential plumbing and hydronic heating category may supervise, in accordance with AS 08.40.400, the installation or retrofitting of all plug-in type electrical control panels and apparatus and the retrofitting of all control wiring of 48 volts or less, in a residential single-family dwelling, or a duplex dwelling not exceeding three stories so long as those modifications do not alter the electrical characteristics of the mechanical system or controls. The original installation of control wiring, or the alteration or retrofitting of controls and control wiring that alters the electrical characteristics of the mechanical system, must be supervised by an electrical administrator licensed in the appropriate category under 12 AAC 32.  
	(d)  Nothing in this section prohibits a mechanical administrator licensed in the unlimited commercial and industrial plumbing category, as described in 12 AAC 39.212, or in the heating, cooling, and process piping category, as described in 12 AAC 39.232, from performing or supervising mechanical work on a residential dwelling.  

Authorities

08.40.230;08.40.240;08.40.260;08.40.400

Notes

Reference

12 AAC 39.212

Authority

AS 08.40.230 AS 08.40.240 AS 08.40.260 AS 08.40.400

History

Eff. 7/7/94, Register 131; am 11/26/94, Register 132