NC Plumbing Contractor case studies
NC Plumbing Contractor · Put your knowledge to work in context.
The North Carolina Plumbing Contractor license is a statewide credential that authorizes a business to contract for plumbing and heating work in the state. It is issued to individuals who demonstrate, through examination and experience, that they can supervise plumbing installations and run a compliant contracting business - not just perform the trade. The NC Plumbing Contractor case studies are 5 cases and about 3,882 words.
1Sewer Odor and Gurgling at a New Mechanical Room Floor Drain
A three-story mixed-use building in a jurisdiction that has adopted the IPC with local amendments. The existing 4-inch PVC building drain runs 68 feet at 1/4 inch per foot to the city main and, per the code tables, is rated for 216 drainage fixture units.
799 words, about 4 min2Top-Floor Flushometer Valves Starved After a PRV Was Set for Old Piping
A three-story medical office building. The 2-inch domestic service comes off a 6-inch city main at 78 psi static; night pressure has been logged at 104 psi.
761 words, about 4 min3One Double-Check Assembly Proposed as Containment for a Building Full of Health Hazards
An 85,000 square foot, four-story mixed-use building contains a dental clinic with two chairs, a coffee shop with a carbonator, a boiler with 30 percent propylene glycol serving a snowmelt loop, a wet-pipe sprinkler system on a dedicated 4-inch fire line with no antifreeze, a rooftop cooling tower with chemical feed, and a 12-zone irrigation system. The city's cross-connection control program requires containment at the meter.
717 words, about 4 min4Plan Measurement, Invert Arithmetic, and a Grade Beam in the Way
A tenant improvement in a three-story office building. The plumbing plan is drawn at 1/8 inch = 1 foot.
890 words, about 4 min5Pay Application, Lien Waiver, and a Late Delay Notice
You hold a 340,000 plumbing subcontract on a commercial project. Terms: 10 percent retainage, monthly pay applications on the 25th, payment within 30 days, a lien waiver required with each application, and written notice of any delay claim within 7 days of the start of the delay.
715 words, about 4 min