ITI/NCVT Mason Building Constructor (AITT Theory) case studies
ITI/NCVT Mason Building Constructor (AITT Theory) · Put your knowledge to work in context.
The ITI/NCVT Mason Building Constructor AITT Theory paper is the trade theory assessment taken by trainees who have completed the Mason (Building Constructor) course at an Industrial Training Institute under the Craftsman Training Scheme. It tests whether you understand the trade, not just whether you can perform it on site: the properties of bricks, blocks, cement and aggregate; how mortar and concrete are proportioned and cured; how walls are bonded and corners raised; how buildings are set out, levelled and marked; how foundations, arches, lintels, stairs and roofs go together; and how floors and tiles are laid and finished. The ITI/NCVT Mason Building Constructor (AITT Theory) case studies are 5 cases and about 3,336 words.
1Two-Metre Trench, No Shoring: Entry Decision on a Strip Footing
A residential extension requires a 2.4 m deep strip footing trench along a 14 m length. The subsoil is loose sandy silt with seepage at about 1.6 m.
667 words, about 3 min2Brick Stock With Efflorescence and High Absorption
A load-bearing 230 mm external wall for a two-storey school building has been specified with class 7.5 bricks and 1:6 cement mortar. The first truck delivers 20,000 modular bricks (190 x 90 x 90 mm).
677 words, about 3 min3Out-of-Square Setting-Out on a Sloping Plot
A 12 m x 8 m rectangular community hall is being set out on a plot that falls about 600 mm across the 12 m frontage. The mason established the first corner with a peg and set the 12 m line using a steel tape, then used the 3-4-5 method to set the 8 m return.
686 words, about 3 min4Damp Patch and Salts in a Basement Retaining Wall
A 25-year-old basement car park has a 3.0 m high reinforced concrete retaining wall. Damp patches appear 200-400 mm above the floor slab along a 6 m length, with white fluffy crystals and blistering paint.
663 words, about 3 min5Final Measurement Dispute on Brickwork
A contractor claims payment for 230 mm brickwork in a single-storey workshop. The wall is 20.0 m long and 3.2 m high, measured between column faces.
643 words, about 3 min