Skills Proficiency awards in Basic Fabrication ... - City & Guilds

2.25 Close down oxy-fuel gas equipment
a blow pipe valves turned off in correct sequence
b cylinder/supply valves closed
c pressure regulators relieved
d hoses purged.
2.26 Assemble oxy-fuel gas cutting equipment and check for leaks.
2.27 Oxy-fuel gas cut low carbon steel up to 25mm thick with and without guides
a straight lines
b curves and circles
c bevels
d pipes.
2.28 Set up manual metal arc welding equipment.
2.29 Produce manual metal arc welded joints in low carbon steel
a flat position (i) open outside corner (ii) butt weld
b horizontal vertical position (i) fillet weld (ii) lap weld
Material: up to 10mm maximum thickness, at least 150mm long.
2.30 Electrically isolate the welding set from the mains: cables and other accessories
stored safely and correctly.
2.31 Carry out inspection and testing of welds using
a visual inspection
b penetrant ink
c magnetic crack detection
d nick break test
e bend tests
f macro etching.
2.32 Investigate the effects on weld quality due to changes in
a current
b voltage
c speed of travel
d height of electrode
e angle of electrode.
Pipework
2.33 Hot and cold bend small bore thin walled pipes.
2.34 Thread pipe ends using hand and power tools.
2.35 Fabricate pipeline sections and pressure test; screwed, welded, bolted.
2.36 Fabricate a pipe branch.
2.37 Fabricate a cut and shut 90° bend.
Skills Proficiency awards in Basic Fabrication, Welding and Pipework
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