Sri Lanka NVQ L3 Plumber case studies
Sri Lanka NVQ L3 Plumber · Put your knowledge to work in context.
The Sri Lanka NVQ Level 3 Plumber qualification is a National Vocational Qualification awarded under the country's competency-based TVET framework, delivered and assessed through accredited training providers and assessed against nationally recognised competency standards. It certifies that a plumber can carry out installation, testing, maintenance and repair work on cold and hot water supply, sanitary fixtures, and above-ground soil, waste and vent drainage systems to a competent trade standard, while working safely and documenting the job. The Sri Lanka NVQ L3 Plumber case studies are 5 cases and about 2,835 words.
1Asbestos cement soil stack removal in an occupied school
A 1968 two-storey school in a Colombo suburb has a leaking 100 mm asbestos-cement soil stack serving two first-floor toilets. The leak is at a joint about 2.4 m above the ground-floor ceiling.
682 words, about 3 min2Failed solvent-welded joint on a 63 mm uPVC rising main
A six-storey apartment block in Kandy has a new 63 mm PN10 uPVC rising main from the ground suction tank to a rooftop tank. The run is 38 m with 22 solvent-welded joints.
531 words, about 3 min3Beam clash and unvented branch on a six-storey apartment
A six-storey apartment project in Rajagiriya is at second-fix stage. The approved plumbing plan shows a 110 mm uPVC soil stack serving third-floor bathrooms rising inside a 150 mm blockwork wall.
513 words, about 3 min4First-fix setting out for four hotel bathrooms
Four identical bathrooms in a Galle hotel are being renovated. The architect's plan dimensions pipe centres from the finished wall face: the 110 mm WC outlet is 350 mm from the finished wall and 1,000 mm above finished floor level (FFL); the vanity hot and cold supplies are 600 mm above FFL and 150 mm apart.
569 words, about 3 min5Top-floor shower pressure and temperature swings
A 40-room hotel in Negombo has five floors. Cold water is fed from a rooftop tank whose outlet is about 3 m above the fifth-floor ceiling.
540 words, about 3 min