WORK PROCESSES
BOILERMAKER II
O*NET/SOC CODE: 47-2011.00 RAPIDS CODE: 0041
Description: Assemble boilers, tanks, vats, and pressure vessels according to blueprint specifications, using power tools and hand tools: Reads blueprint to determine location and relationship of parts. Connect fire tubes to heads or water tubes to drums and headers of boilers, by expanding and belling ends, using tube expander and beading ends, using power hammer. Drills and taps holes for installation of studs, using portable drill. Tighten bolts to assemble frames, using hand or power wrenches. Mounts casings of water tube boilers, or attaches davit heads, burners, or furnace casing to fire tube boilers, using wrenches. Bolts or screws accessories, such as manholes, hand holes, fans, gauges, and valves to vessel, using hand tools or power wrenches. Replace defective parts, using power wrenches, prying bars, or hand tools. May thread and install stay bolts, using pipe wrench and dies. May remove and replace rivets and caulk seams to repair riveted shells and structures, using pneumatic chisel, riveter, and caulking hammer. May cut out defective parts, using acetylene torch. Distinguish from BOILERMAKER I who assembles and repairs boilers and related pressure vessels.
ON-THE-JOB TRAINING:
APPROXIMATE HOURS
A. Learn the technique of flange turning which requires heating metal and forming a rib or rim for strength, for guiding, or for attachment toanother object
300
B. Operate shop machines such as the punch, shear, beveling machines and bending rolls, rotary and angle sears
300
C. Fit up structural steel in the shop
600
D. Fit up structural steel in the field; preparing structural steel for welding or bolting
1200
F. Dismantle and retube heat exchangers
200
G. Remove, replace, set and reroll furnace tubes
300
H. Use of chipping hammer
700
I. Riveting
300
J. Use of the rivet buster
150
K. Line vessels
300
L. General repairs to stills
300
M. Operate a tugger, slings, and snatch blocks
250
N. Lay-out work
500
O. Flange brass pipe
100
P. Make general repairs on river boats and barges
500
TOTAL HOURS
6000
RELATED INSTRUCTION
Apprentices will receive 144 hours of related instruction per year of apprenticeship.
ORIENTATION
LESSON 1
Applied Math III-V Applied Metric Math Rigging
- Basic Principles
- Ropes
- Tools
- Cranes and Other Lifting Equipment
- Equalizing and Distributing Loads
Rigging and Boilermaker Safety
LESSON 2
Mechanical Drawing
- Tools and Lettering
- Geometric Construction
- Orthographic
- Isometric and Oblique
- Dimensioning
- Field Sketching
- Layout Procedures and Techniques
- Boilermaker Hand Tools
- Boilermaker Power Tools
- Construction Materials I and II
- Blueprint Reading: Structural
LESSON 3
Boiler Systems and Components
Nuclear Power Tanks, Vessels and other Components Blueprint Reading: Boilermaker Boiler:
- Installation
- Repair and Maintenance
Welding and Cutting
- Basic
- Blueprint Reading
- Safety
Metallurgy
- Welding
- Weldability of Metals
LESSON 4
Arc Welding
- Equipment
- Shielded Metal I
- Shielded Metal II
- Gas Tungsten(TIG)
- Gas Metal(MIG)
- Other Processes
Cutting
- Oxyfuel I
- Oxyfuel II
- Arc
Welding
- Special Applications and Techniques
- Design, Testing and Inspection
