CTVET Ghana Certificate II - Blocklaying & Concreting case studies
CTVET Ghana Certificate II - Blocklaying & Concreting · Put your knowledge to work in context.
The CTVET Ghana Certificate II in Blocklaying and Concreting is a competency-based trade qualification for people who build with blocks, bricks and concrete on Ghanaian construction sites. It suits apprentices and site helpers moving toward recognised craft status, workers who learned on the job and want their skills certified, and graduates of technical institutes seeking a credential that employers and contractors can read quickly. The CTVET Ghana Certificate II - Blocklaying & Concreting case studies are 5 cases and about 3,303 words.
1Trench, Block Stack and Inspection Pressure
At a school boundary-wall project in Sunyani, a 1.4 m deep foundation trench has been dug through sandy clay. Overnight rain has left standing water in the trench, and spoil is banked about 0.8 m from the edge.
693 words, about 3 min2Equipment Store Decisions Before a Suspended Slab
Your small building firm is due to cast a 45 m² suspended slab, 150 mm thick, at 3.2 m above ground. The equipment store contains: a diesel concrete mixer with a cracked drum lip and a missing belt guard; an electric poker vibrator whose flexible hose is taped at one point; two wheelbarrows; a 5 m steel tape with the first 30 mm broken away; a dumpy level whose tripod clamp no longer locks firmly; and a 3 m aluminium straightedge.
666 words, about 3 min3Out-of-Square Setting Out for a Clinic Annex
A 15 m × 9 m single-storey clinic annex is being set out on a site that slopes about 1:20. The four corner pegs were set yesterday using a 30 m fibreglass tape and a 3-4-5 check on one corner.
612 words, about 3 min4Cracking in a Long Boundary Wall
A 90 m long boundary wall, 2.4 m high and 225 mm thick, was built in 10 days using sandcrete blocks and a 1:8 cement-sand mortar. Reinforced concrete columns are spaced at 3 m, but no movement joints were left.
661 words, about 3 min5Hot-Weather Slab Pour and Water Addition
An 18 m³ suspended slab, 150 mm thick, is being site-mixed on a 34°C day. The design mix uses 350 kg of cement per m³ at a water/cement ratio of 0.50, with 700 kg sand and 1,150 kg coarse aggregate per m³.
671 words, about 3 min