BOILER INSTALLATION, SERVICE OR REPAIR — steam or hot water
This classification applies to the installation, service, repair or cleaning of industrial or commercial boilers or heat exchangers at customers' locations. This classification includes the repair or replacement of worn or damaged plate steel components, including but not limited to tanks, casings, chambers, ducting, piping and tubing.
This classification also applies to the erection of metal tanks within buildings.
The repair or replacement of mechanical components, including but not limited to pumps, turbines, generators, oil compressors, gearboxes, motors and blowers shall be separately classified as 3724(1), Millwright Work.
The repair or replacement of gas burners, burner dampers, air diffusers or burner rings shall be separately classified as 5183(1)/5187(1), Plumbing.
The installation of insulation material onto steam pipes or boilers shall be separately classified as 5184, Steam Pipe or Boiler Insulation.
The installation of refractory brick shall be separately classified as 5027/5028, Masonry.
The lining of refractory chambers or metal tanks with concrete or the construction of concrete foundations shall be separately classified as 5213, Concrete Construction — N.O.C.
Boiler manufacturing or shop repair shall be classified as 3620(1), Boiler Mfg., if more than 50% of the metal used is #9 gauge or heavier. If 50% or more of the metal used is lighter than #9 gauge, boiler manufacturing or shop repair shall be classified as 3169(2), Water Heater Mfg.
The erection of exterior metal tanks at ground level or on roof surfaces shall be classified as 5102, Iron, Steel, Brass, Bronze or Aluminum Erection – non-structural. The erection of exterior elevated metal tanks on support structures shall be classified as 5040, Iron or Steel Erection – structural.
| Shown below is the previously published phraseology and footnote | Effective Date |
|---|---|
Phraseology: Footnotes: This classification applies to the installation, service, repair or cleaning of industrial or commercial boilers or heat exchangers at customers' locations. This classification includes the repair or replacement of worn or damaged plate steel components, including but not limited to tanks, casings, chambers, ducting, piping and tubing. This classification also applies to the erection of metal tanks within buildings. The repair or replacement of mechanical components, including but not limited to pumps, turbines, generators, oil compressors, gearboxes, motors and blowers shall be separately classified as 3724(1), Millwright Work. The repair or replacement of gas burners, burner dampers, air diffusers or burner rings shall be separately classified as 5183(1)/5187(1), Plumbing. The installation of insulation material onto steam pipes or boilers shall be separately classified as 5184, Steam Pipe or Boiler Insulation. The installation of refractory brick shall be separately classified as 5027/5028, Masonry. The lining of refractory chambers or metal tanks with concrete or the construction of concrete foundations shall be separately classified as 5213, Concrete Construction — N.O.C. Boiler manufacturing or shop repair shall be classified as 3620(1), Boiler Mfg., if more than 50% of the metal used is #9 gauge or heavier. If 50% or more of the metal used is lighter than #9 gauge, boiler manufacturing or shop repair shall be classified as 3169(2), Water Heater Mfg. The erection of exterior metal tanks at ground level or on roof surfaces shall be classified as 5057, Iron or Steel Erection — N.O.C. The erection of exterior elevated metal tanks on support structures shall be classified as 5040(1), Iron or Steel Erection — structural and exterior installation. | 1/1/2021 |
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