CPC33020 Bricklaying case studies
CPC33020 Bricklaying · Put your knowledge to work in context.
CPC33020 is the current national qualification code for the Certificate III in Bricklaying and Blocklaying, a trade-level credential listed on the National Training Register. Its stated purpose is to reflect the role of a trade qualified bricklayer, blocklayer or paver who may carry out heritage bricklaying, refractory bricklaying, bricklaying, blocklaying and paving work across residential, industrial and commercial contexts, in both existing and new constructions. The CPC33020 Bricklaying case studies are 5 cases and about 1,811 words.
1Mortar Mix on a Hot Day
A crew is laying a 230 mm face-brick wall on a 34 °C day with light wind. The mortar is a 1:1:6 cement–lime–sand mix gauged on a board in 0.2 m³ batches.
398 words, about 2 min2Wall Tie Spacing on a Cavity Wall
A two-storey cavity wall is being built with a 110 mm inner leaf and 110 mm outer leaf, 50 mm cavity, and wall ties at 600 mm horizontal centres and 450 mm vertical centres. The builder has ordered 200 mm ties.
377 words, about 2 min3Efflorescence on a New Brick Wall
Three weeks after completion, a new face-brick wall shows white powdery staining on the lower two metres, heaviest near the base and on the shaded side. The wall has a dpc at the base and weep holes at 1.2 m centres.
358 words, about 2 min4Course Height Out of Tolerance
A bricklayer is building a 3.6 m high wall to a datum. After laying eight courses, a check with a straightedge and level shows the top of the eighth course is 25 mm above where it should be against the gauge.
344 words, about 2 min5Cutting Bricks Without Dust Controls
On an occupied site, a subcontractor is cutting bricks with a petrol-powered disc cutter in an open area beside a footpath used by the public. The cutter is running dry, and a visible dust cloud drifts toward the footpath.
334 words, about 2 min