Locates and marks reference points for columns or plates on the foundation using a transit level straight edge squares transit and measuring tape and applying knowledge of geometry.
Attaches rigging or signals the crane operator to lift components to the specified position.
Aligns structures or plate sections to assemble the boiler frame tanks or vats using plumb bobs levels wedges dogs or turnbuckles.
Hammers flame cuts and file grinds irregular edges of sections or structural parts to facilitate fitting edges together.
Bolts or arc-welds structures and sections together. Positions drums and headers into supports or bolts or welds supports to the frame.
Aligns water tubes and connects and expands ends to drums and headers using a tube expander.
Bolts or welds casing sections uptakes stacks baffles and such fabricated parts as chutes air heaters fan stands feeding tubes catwalks ladders coal hoppers and safety hatch to frame using wrenches
Performs minor maintenance or cleaning activities with tools and equipment.
Installs manholes handholds valves gauges and feed water connections in drums to complete the assembly of water tube boilers.
Signals the crane operator in lifting parts to specific positions.
Assists in testing assembled vessels by pumping water or gas under specified pressure into vessels and observing instruments for evidence of leakage.
Repairs boilers or tanks in the field by unbolting or flame cutting defective sections or tubes straightening plates using a torch or jacks installing new tubes fitting and welding new sections and replacing worn lugs on bolts.
May fasten and caulk sections of vessels using pneumatic fasteners and caulking hammers.
Line the firebox with refractory brick and blocks.
May fabricate parts such as stacks uptakes and chutes to adapt the boiler to the premises in which it is installed.
Flame cutting and knowledge of torch use.
Responsible for observing and complying with all safety and project rules. Performs other duties as required.
Qualifications
3 years and above documented field experience in a chosen craft discipline with the ability to read and interpret instructions and document plan and perform work activities independently. Must have a valid TWIC card
Required Skills:
Welding Fabrication
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