MD Plumber case studies
MD Plumber · Put your knowledge to work in context.
The Maryland Plumber License Exam is the credentialing pathway for plumbers who want to work in Maryland as journeyman or master plumbers. It is intended for plumbing professionals who already have practical field experience and now need to demonstrate code knowledge, system competence, and regulatory understanding to obtain or advance a Maryland license. The MD Plumber case studies are 5 cases and about 2,786 words.
1PRV, Thermal Expansion, and a Weeping T&P Valve
An Anne Arundel County homeowner calls after a new pressure-reducing valve was installed at the meter. Static pressure had been 110 psi; the PRV is set to 60 psi.
600 words, about 3 min2Accessible Unisex Toilet Room Layout
A general contractor is converting a 1,200-square-foot office suite into a small medical clinic. The plan shows one unisex accessible toilet room, 5 feet 0 inches wide by 8 feet 0 inches deep.
552 words, about 3 min3Trap Arm Lengths and Slope on a Slab Remodel
A slab-on-grade rancher is being remodeled. The new bathroom group is 22 feet from the existing 3-inch vent stack.
563 words, about 3 min4Water Heater Replacement and Irrigation Backflow Assembly
A property manager for a 12-unit apartment building in Baltimore County hires a handyman to replace a failed 50-gallon electric water heater in Unit 4 and to install a new lawn irrigation system supplied from the domestic water service. The irrigation contractor installs a 1-inch reduced-pressure-zone backflow assembly in a below-grade valve box; the test cocks are buried under 4 inches of mulch.
543 words, about 3 min5Sump Pump and Downspouts Connected to the Sanitary Sewer
A homeowner in a 1960s subdivision has recurring basement seepage. A handyman connects the sump pump discharge and two downspouts directly into the 4-inch sanitary sewer lateral inside the basement.
528 words, about 3 min