IN Plumber case studies
IN Plumber · Put your knowledge to work in context.
The Indiana Plumber licensing examination is the state's competency test for people who install, alter, and repair plumbing systems for a living. Indiana licenses plumbers at more than one level, generally a journeyman tier for the working installer and a master tier for those who supervise work, contract directly with the public, or pull permits on behalf of a plumbing business. The IN Plumber case studies are 5 cases and about 4,485 words.
1Basement Bathroom Below the Sewer Outfall
A 1950s two-story house has a 4-inch cast-iron stack serving the first-floor water closet and the second-floor bathroom group. The owner wants a basement bathroom - water closet, lavatory and shower - directly below the first-floor bathroom.
943 words, about 5 min2Second-Floor Shower That Dies When the Irrigation Starts
A 3,200 sq ft two-story house is fed by a 1-inch type K copper service 90 ft long to a ¾-inch meter with an integral check valve, then 1-inch copper through a pressure-reducing valve with a check seat set at 55 psi. The purveyor's static pressure at the tap is 125 psi.
927 words, about 5 min3Containment Strategy for a Mixed-Hazard Building
A 12,000 sq ft commercial building takes a 2-inch service after a 2-inch meter. Inside are a wet-pipe fire sprinkler system protected by a double check detector assembly, a 250-gallon hot-water boiler whose ¾-inch fill line carries glycol and corrosion chemicals through a pressure-reducing valve, and a landscape irrigation system with a fertigation injector pump feeding 1½-inch zone valves.
794 words, about 4 min4Primary and Secondary Roof Drainage on a Parapet Warehouse
A new 18,000 sq ft warehouse has a flat roof surrounded on all four sides by a 42-inch parapet. The authority having jurisdiction recognizes a design rainfall rate of 3 in./hr for the site, in northern Indiana, where about 30 in.
851 words, about 4 min5Replacement Water Heater in a Mechanical Closet
A 75,000 Btu/h, 75-gallon gas-fired storage water heater is being replaced in a 6 ft by 8 ft mechanical closet of a 40-unit apartment building with 8-ft ceilings. The cold inlet is 1-inch with a reduced-pressure principle assembly and a check valve immediately upstream.
970 words, about 5 min