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PIPEFITTER CONTRACTOR (Also Pipefitter Master)
<br />Those who are qualified to install piping for central air conditioning, refrigeration, and heating,
<br />piping to boilers and unfired pressure vessel systems, lift station equipment and piping, insulation
<br />for pipes, pressure and process piping, pneumatic control piping, piping to fuel tanks and pump
<br />installations, installation of oil tanks, fire sprinkler systems and standpipes, air piping, vacuum line
<br />piping, oxygen lines, nitrous oxide piping, ink and chemical lines, and condensate drain piping.
<br />PIPEF=R JOURNEYMAN
<br />Those who are qualified to perform pipefitting work while employed or supervised by a pipefitting
<br />or mechanical contractor.
<br />PLASTERING CONTRACTOR (Also Lath & Plaster, Plastering & Stucco)
<br />Those who are qualified to coat surfaces with a mixture of sand or other aggregate gypsum plaster,
<br />portland cement or quick -lime and water, or any combination of such material as to create a per-
<br />manent surface coating. Such contractor may apply and affix gypsum or metal lath or any other
<br />product prepared or manufactured, including the placing of metal studs and runners to which lath
<br />is to be applied, to provide key or suction bases for the support of the plaster coating.
<br />Those who are qualified to proportion and apply concrete to surfaces by pneumatic methods, chip
<br />loose concrete, sandblast and clean reinforcing, batch and proportion cement, sand and water, to
<br />erect forms and formwork to which concrete is to be applied pneumatically and place miscellaneous
<br />reinforcing for repair of concrete and to proportion and place cement and intergrout by pneumatic
<br />pumping methods that under an agreed specification subsurface load bearing capacities can be
<br />stabilized or previously settled structures raised or restored to plumb, grade or alignment.
<br />Those who are qualified to install, maintain, repair, alter or extend any systems of piping, tubing,
<br />vessels, containers, pumps, apparatus, and appurtenances, in connection with such pressure piping
<br />used for circulation, transporting, holding or processing of any gas, vapor, fluid, liquid, semi-liquid
<br />or any combination thereof, provided however, that boilers, boiler piping, piping used to convey
<br />potable water, sanitary sewage, liquefied petroleum, manufactured or natural gas or refrigeration,
<br />air conditioning and comfort heating piping shall not be part of the scope of such work.
<br />Those who are qualified to erect structural precast concrete units such as decks, beams, girders,
<br />walls, columns and stairs that are or may be used as structural members for buildings and structures,
<br />including welding and rigging in connection therewith and to erect precast concrete units for guard
<br />rails and decorative panels above the ground floor, including such minor field fabrication as may
<br />be necessary.
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