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Class Code Information
Phraseology
Boiler Installation or Repair – Steam – All Operations to CompletionIncludes the construction or repair of foundations.
Description
Code 3726 applies to employers engaged in installing or repairing high-pressure steam boilers, cleaning and scaling of boilers or ship boilers, cleaning oil tanks on land, and metal tank erection or repair within buildings. Employers engaged in operations contemplated by this classification perform these operations for commercial or industrial concerns.
Boiler installations generally involve excavation, concrete or masonry foundation work, rigging or slinging of drums and headers into place, setting tubes into headers, installation of super heating units, and installation of all steam fitting work. The installation of breeching by steam boiler erectors is included under this classification.
This classification also applies to employers that specialize in the installation or repair of metal commercial or industrial tanks including oil tanks within buildings and includes construction or repair of the tank foundations. These operations are like boiler installation and repair in that these contractors perform excavation, foundation work, rigging and installation of the tank auxiliary services.
Specialist contractors engaged in commercial or industrial boiler scaling and the cleaning of tanks, other than sandblasting, are also assigned to this classification. The operations involve the removal of boiler scales or residue from tanks using either chemicals, steam or mechanical methods.
Assignment by Analogy
• Air compressors – metal receiving tanks
• Furnaces – cast iron – industrial
• Garbage, trash or waste incinerators – not cast
• Generators and equipment – steam powered
Operations to be Separately Rated
- Boiler manufacturing:
- Cast iron – steam. Boiler grates. Furnace – cast iron. Refer to Code 3081 “Foundry – NOC – Ferrous.”
- Low pressure – hot water (160 PSI or less) or steam (15 lbs. or less). Boiler – gas or oil – steam. Blast furnace. Refer to Code 3620 “Tank Building – Metal – Shop.”
- Boiler tubes – including bending and cutting. Refer to Code 3111 “Blacksmith.”
- Installation or repair:
- Boiler coverings (insulation) at customers’ locations by an insulation contractor. Refer to Code 5184 “Boiler or Steam Pipe Insulating – All Operations to Completion & Drivers.”
- Boiler at customers’ locations – low pressure – hot water type – 160 PSI (pounds per square inch) or less. Boiler installation or repair at customers’ locations – low pressure – steam 15 lbs. PSI (pounds per square inch) or less. Furnace installation other than hot air or industrial. Refer to Code 5183 “Plumbing – NOC – All Operations to Completion & Drivers."
- Furnace – hot air – household. Refer to Code 5536 “Air Conditioning and Heating Duct Work – Shop and Outside – All Operations to Completion & Drivers.”
- Tank – oil – industrial type – other than within buildings. Tank installation – non-expanding type – metal – on or below ground including gasoline. Tank installation – metal – on roof of buildings. Refer to Code 5057 “Iron or Steel Erection – NOC – All Operations to Completion.”
Boiler cleaning service – by contractor – vacuuming. Boiler tube cleaning – by a service contractor. Refer to Code 9030 “Building Service Contractor.”
Tank cleaning – by sandblasting. Refer to Code 1741 “Flint or Spar Grinding & Drivers.”
Boiler inspection performed by other than a boiler installation firm. Refer to Code 8731 “Boiler Inspection.”
Boiler preheaters – oil. Refer to Code 3632 “Machine Shop – NOC.”