COOLING, AND PROCESS PIPING CATEGORY. (a) The holder of a mechanical administrator license in the

heating, cooling, and process piping category may supervise all work described in (b) of this section in accordance

with AS 08.40.400.

(b) Heating, cooling, and process piping work includes the installation, alteration, or retrofitting of

(1) hydronic heating, cooling, and process piping systems, including steam and hot water systems of any

temperature-pressure range, chilled water systems, condensing water systems, pressure vessels, heat exchangers,

boilers, refrigeration water chillers, cooling towers, fuel oil tanks and piping, and fuel gas piping; and

(2) steam and hot water boilers, including chimney connections, flues, refractories, burners, fittings, valves,

thermal insulation, controls, accessories, and incidental piping.

(c) A mechanical administrator licensed in the heating, cooling, and process piping category may supervise, in

accordance with AS 08.40.400, the installation or retrofitting of all pneumatic or electric controls and the retrofitting

of all control wiring of 48 volts or less necessary for the operation of heating, cooling, and process piping equipment

and systems 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.

Authority: AS 08.40.230 AS 08.40.260 AS 08.40.400

AS 08.40.240