WAC 296-127-01364
Plumbers, pipefitters, and steamfitters. For the purpose of the Washington state public works law, chapter 39.12 RCW, plumbers, pipefitters and steamfitters assemble,
install, and maintain piping systems, fixtures and equipment for
the transportation of water, steam, gas, air, sewage, oil, fuels,
liquids, gases, or similar substances.
The work includes, but is not limited to:
(1) Piping systems installed in structures (e.g., buildings,
industrial plants, etc.).
(a) The handling and moving of any plumbing, pipefitting and
steamfitting materials, supplies, and equipment on the job site.
(b) Cutting, threading, and bending pipe.
(c) Joining pipes by use of screws, bolts, fittings, solder,
welding and caulking, or any other method of making joints in the
pipefitting industry.
(d) Assembling, installing, and repairing valves, pipe
fittings, and pumps.
(e) Testing the piping system.
(f) Installing and repairing plumbing fixtures, such as
sinks, bathtubs, water heaters, and water softeners.
(g) Cutting holes in floors and walls for pipes:
• With point and hammer.
• Core-drilled.
(h) Responsible for all cleanup required in connection with
plumbers, pipefitters and steamfitters work.
(2) Distribution lines (e.g., water mains, sewer mains, oil
and gas lines, etc.).
(a) The handling and moving of any plumbing, pipefitting and
steamfitting materials, supplies, and equipment on the job site.
(b) Steel pipe: Welding of pipe joints and joining pipes
with screws, bolts, fittings, solder, caulking, or any other
method for making joints in the industry.
(c) Ductile iron pipe: Joining pipes by using any method
for making joints in the industry, when the pipe will be under
pressure.
Assembling, installing, and repairing valves and pumps.
(d) Testing the piping system.
(e) Responsible for all cleanup required in connection with
plumbers, pipefitters and steamfitters work.
[Statutory Authority: Chapter 39.12 RCW, RCW 43.22.270 and 43.22.051. 00-15-077, § 296-127-01364, filed 7/19/00, effective
7/19/00.]