MS Plumber case studies
MS Plumber · Put your knowledge to work in context.
The Mississippi Journeyman Plumber license is a statewide credential that allows a plumber to perform plumbing work under the supervision of a licensed master plumber. It is intended for tradespeople who have completed the required practical experience and want to move beyond apprentice status, take on more responsible installation work, and eventually pursue master licensure. The MS Plumber case studies are 5 cases and about 2,919 words.
1Six-Storey Hotel Direct-Supply Pressure Shortfall
A six-storey hotel is supplied directly from a 300 kPa municipal main through a 50 mm service. Each floor is 3.0 m high, and the highest fixture is a flush-valve water closet on the sixth floor, 18 m above the main.
619 words, about 3 min2Unvented Lavatory Trap Arm in a 1920s Office Fit-Out
During a tenant fit-out on the second floor of a 1920s brick building, a new lavatory is connected to an existing 100 mm cast-iron soil stack. The 40 mm lavatory trap arm runs 2.4 m horizontally at 1% slope and enters the stack 1.2 m above a water closet branch.
604 words, about 3 min3Car Wash RPZ Relief Valve Discharging Continuously
An automated car wash has a 25 mm chemical-injection line feeding a final-rinse arch. The potable supply also serves two hose bibs and an irrigation zone.
558 words, about 3 min4Copper-to-Galvanized Transition Leaking in an Apartment Renovation
While renovating a 1965 apartment kitchen, a plumber connects a new copper tube branch directly to an existing galvanized steel water main. The joint is made with a brass coupling and a soldered copper tail.
566 words, about 3 min5Warehouse Roof Ponding and Undersized Secondary Drainage
A 1,200 m² warehouse roof drains through four 150 mm roof drains and one 100 mm overflow scupper. The roof slope is 0.5% toward the drains.
572 words, about 3 min