ICC P1 case studies
ICC P1 · Put your knowledge to work in context.
This page is an independent study resource for the ICC Residential Plumbing Inspector (P1) certification exam. P1 sits within the International Code Council's credentialing program for building safety professionals, whose public catalog covers inspection of residential plumbing systems. The ICC P1 case studies are 5 cases and about 3,966 words.
1Brewpub Tenant Improvement: When the Field Work Exceeds the Permit Scope
A 2,800 sq ft retail space in a 1978 masonry building is being converted into a 90-seat brewpub. The plumbing portion of the issued permit reads: "Replace two water closets in existing restroom; all other plumbing existing to remain." The mechanical and electrical sheets show new equipment, but there is no plumbing plan sheet in the approved set.
744 words, about 4 min2Coffee Shop Restroom Rough-In: Plumbing Clearances Versus Accessibility
During rough-in of a new 1,850 sq ft coffee shop, the inspector measures the two restrooms. The women's room has two water closets and one lavatory; the men's room has one water closet, one urinal and one lavatory.
840 words, about 4 min3Weeping T&P Valve on a Mezzanine Water Heater
A 100-gallon, 199,000 Btu/h atmospheric gas storage water heater is installed on a mezzanine platform. The closet is 6 ft by 8 ft by 8 ft with a single louvered door providing 200 in² of free area.
854 words, about 4 min4Third-Floor Stack: Trap Arm, Vent Connection and Building Drain Slope
Rough-in inspection of a three-story mixed-use building: retail on grade, apartments on floors 2 and 3. Findings: on the third floor, a 1 1/2-inch kitchen sink trap arm runs 8 feet at 1/4 inch per foot before it reaches the 3-inch soil stack, and the sink vent is taken off the stack 2 feet above that connection.
765 words, about 4 min5Warehouse Roof Drainage, Secondary Overflow and a Dock Area Drain
A 22,000 sq ft warehouse addition has a flat roof with a 24-inch parapet on all sides. Four 4-inch roof drains, one per 5,500 sq ft of roof area, connect to 4-inch leaders that run inside the building and discharge at grade at the base of the wall.
763 words, about 4 min