Tamil Nadu HSE Second Year Basic Civil Engineering case studies
Tamil Nadu HSE Second Year Basic Civil Engineering · Put your knowledge to work in context.
Basic Civil Engineering is the optional vocational subject offered in the second year of the Tamil Nadu Higher Secondary Certificate (+2) programme for students in the science and vocational streams. It suits candidates who want a practical, industry-linked subject alongside Physics, Chemistry and Mathematics, and who may go on to diploma or degree courses in civil engineering, construction supervision, drafting or surveying. The Tamil Nadu HSE Second Year Basic Civil Engineering case studies are 5 cases and about 5,202 words.
1Efflorescence and rising damp in a coastal brick hostel
A two-storey load-bearing brick hostel near the coast was plastered 18 months ago. On the north side, the ground-floor walls now show white, fluffy salt deposits up to about 900 mm above floor level, the plaster has begun to blister and shell off in patches, and paint on the inner face shows the same band.
1,042 words, about 5 min2Fly-levelling misclosure before setting out a floor level
On a 1.2 km fly-levelling run from a permanent bench-mark A to a second bench-mark C near a site office, the level was set up twice. The book reads: backsight on A = 1.585, foresight on change point B = 2.410; then, after moving the instrument, backsight on B = 1.870 and foresight on C = 1.245.
925 words, about 5 min3M20 slab cubes fail the acceptance criterion
An RCC roof slab for a school building is specified as M20 concrete to a design mix with a free water-cement ratio of 0.50, cement content 340 kg/m³ and a sand content of about 700 kg/m³. Site records show that the sand delivered over three days had 6% bulking and 4% surface moisture, but batching was done by volume with the same gauge boxes as before, with no adjustment.
1,022 words, about 5 min4Hostel water storage and a gurgling trap
A 120-bed working women's hostel is supplied from a 5,000-litre overhead tank on the roof, filled once a day by a pump from an underground sump. Occupancy is 110 residents and 10 staff; demand is taken at 135 litres per head per day, of which about 45 litres is for flushing.
1,201 words, about 6 min5Valuation of a let-out shop-cum-residence for a bank
A shop-cum-residence on a 120 m² plot on a town's main bazaar road is let out at ₹15,000 per month. The municipal tax is 10% of the gross annual rent, insurance is ₹3,500 per year, repairs are taken at 8% of the gross rent, and management charges at 5% of the gross rent.
1,012 words, about 5 min