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Class Code Information
Phraseology
Machinery or Equipment Erection or Installation – NOC – All Operations to Completion & DriversDescription
Code 3724 applies to employers engaged in the erection or installation of electrical apparatus, machinery or equipment such as, but not limited to, compressors, motors, or air conditioning systems at the customer’s premises.
Machinery, equipment and electrical apparatus installation usually involves assembling units using hand operated tools and connecting and testing to ensure proper working conditions.
This classification also contemplates the erection of oil stills and the incidental structures or connections which are integral parts of the distillation units such as control pumps and compressor houses.
This classification also includes contractors engaged in disassembling machinery, equipment, or electrical apparatus and transporting, rigging and reassembling at a new site.
Assignment by Analogy
• Heating, ventilating and air conditioning systems installation– no duct work installation
Operations to be Separately Rated
Contractors engaged in chimney construction. Refer to Code 5000 “Chimney Construction – Not Metal – All Operations to Completion.”
Erection of poles, stringing of wires, installation of service transformers on poles or on the outside of buildings and making of service connections. Refer to Code 7538 “Electric Light or Power Line Construction – All Operations to Completion & Drivers.”