AZ Plumber case studies
AZ Plumber · Put your knowledge to work in context.
The Arizona plumber credential is a state-issued license administered through the Arizona Registrar of Contractors. It authorizes an individual or business to perform plumbing contracting work for the public in Arizona, covering installation, alteration, repair, and replacement of potable water distribution, sanitary drainage, venting, storm drainage, fixtures, water heaters, gas piping, and related appurtenances. The AZ Plumber case studies are 5 cases and about 4,202 words.
1High-Rise Domestic Water Pressure Woes
A 12-story apartment building has a domestic water system supplied by a rooftop tank and a booster pump. The building is 120 ft tall (floor-to-floor 10 ft).
1,075 words, about 5 min2Sanitary Drainage Slope and Venting in a Renovation
A contractor is renovating a 1950s two-story house, converting the basement into a studio apartment with a new bathroom (toilet, lavatory, shower). The existing sanitary drainage system is cast iron with a 4-inch main building drain under the basement floor, sloping at 1/8 inch per foot.
870 words, about 4 min3Backflow Prevention in a Mixed-Use Building
A mixed-use building has a commercial kitchen on the ground floor, a dental office on the second floor, and apartments on the third and fourth floors. The water supply is from a municipal main at 70 psi.
721 words, about 4 min4Water Heater Expansion and Temperature Relief
A homeowner replaced a 40-gallon gas water heater with a new 50-gallon gas water heater. The new heater is installed in the garage, with the top of the heater 18 inches above the floor.
851 words, about 4 min5Fuel Gas Piping Sizing and Appliance Connections
A contractor is installing a natural gas line for a new 80,000 BTU/h furnace and a 40,000 BTU/h water heater in a basement. The existing gas meter is rated for 250,000 BTU/h and currently serves a 60,000 BTU/h boiler and a 30,000 BTU/h range.
685 words, about 3 min