Our Craft

Training and representing qualified journeymen and apprentices of the plumbing, pipefitting, and
HVACR service industry for more than a century.

Local Union 228 steamfitters/pipefitters layout, fabricate, assemble, install, maintain, and repair piping
systems that transport all types of fluids, slurries and gas in the residential, commercial, and industrial
sectors. They are the only trade to specialize in planning, design, and installation of low and high
pressure steam systems. They work in such diverse fields as oil refineries, paper mills, nuclear power
plants, and manufacturing plants. They install medical gas lines in hospitals, and high-purity process
piping for semiconductor, biotechnology, and pharmaceutical manufacturing

Local Union 228 welders work in every area of the construction industry where metals and alloys are joined.
Their work includes installation, maintenance, and repair of all types of piping systems, as well as join
structural steel brackets and supports for such systems.

Whether it is an oil refinery, power generating plant, oil pipeline, or medical gas lines in a hospital, the
highly skilled welders and pipefitters of Local Union 228 are committed to excellence. Once Local Union 228
pipefitters and welders complete their five-year apprenticeship, they become journeymen in their
respective fields. However, their education continues; they train and pursue necessary certifications for
specialized areas such as welding, medical gas installation, industrial rigging, and crane signalman

United Association Local Union 228 represents workers in the pipe trades industries. These highly skilled
craftsmen and craftswomen build and service everything from sanitary plumbing in homes, to Food
Process, Piping, Hydro Electric Piping Systems and Bio-Mass Plants. Examples of the work performed

Commercial and Residential Plumbing
Installation, service and repair of plumbing and sanitary systems, water and gas piping, and fixtures in
homes, commercial enterprises, and other institutions.

Construction, repair and service of key systems in energy generating and fuel processing facilities,
including co-generation plants and Hydro Electric Facilities.

Refrigeration and Air Conditioning
Installation, service and repair of refrigeration and HVAC systems that maintain the comfort, health, and
safety of building occupants or operate in various industrial and commercial applications.

High-Tech Process Systems
Design-Build, installation and service of high-purity process piping for semiconductor, biotechnology,
and pharmaceutical manufacturing.

Northern California’s leading resource for expertise in the construction, service, and replacement of Gas
systems, including pumps and other installations.

Medical Gas
Installation, service and repair of piping systems that provide hospital patients with life-giving oxygen
and other medical gases.