WBCHSE HS Vocational Plumbing case studies
WBCHSE HS Vocational Plumbing · Put your knowledge to work in context.
The WBCHSE Higher Secondary Vocational (Plumbing) credential is a two-year higher secondary vocational qualification delivered under the West Bengal Council of Higher Secondary Education. It suits students who want a Class XII-equivalent certificate with a trade skill attached - useful for entering plumbing work directly, joining a contractor's team, or continuing to technical or polytechnic study. The WBCHSE HS Vocational Plumbing case studies are 5 cases and about 3,551 words.
1Trench Entry for an 18 m Sewer Connection
A contractor has to connect a school's new toilet block to the municipal sewer manhole 18 m away. The trench is 0.6 m wide and 1.6 m deep at the manhole end, tapering to 1.1 m at the building.
749 words, about 4 min2New First-Floor Bathroom Drains Slowly and Smells
A 20-year-old two-storey house has had a new first-floor bathroom added. The WC, wash basin and shower each have a 40 mm trap and connect to a 110 mm PVC branch 4.5 m long, laid at a measured fall of 1 in 120, which enters the existing 110 mm soil stack about 1.2 m below the ground-floor WC connection.
665 words, about 3 min3Weak Shower, Chattering Pump and Slow Tank Filling
A ground-plus-two house is supplied from a 1000 L HDPE overhead tank on the roof slab. The tank outlet is 1.2 m above the slab, and the first-floor bathroom tap is 7.5 m below the tank outlet, while the second-floor tap is 4.5 m below it.
721 words, about 4 min4Water Bill Triples in a Four-Flat Building
A four-flat, single-meter apartment building consumed 38 to 42 kL per month for three years. The latest bill shows 96 kL.
733 words, about 4 min5Lump-Sum Quote for Four Toilet Cubicles
A coaching centre asks for a lump-sum quote to renovate four toilet cubicles. The scope is four Indian-style WCs, four wash basins with bib taps, and four bib taps in the corridor, with all existing 100 mm CI soil pipe and 15 mm GI supply pipe replaced by 110 mm PVC and 20 mm CPVC.
683 words, about 3 min