ICC B1 case studies
ICC B1 · Put your knowledge to work in context.
The ICC B1 Residential Building Inspector credential is a professional certification issued by the International Code Council for individuals who review and inspect one- and two-family dwellings and townhouses for compliance with residential code provisions. It is typically pursued by municipal inspectors, private inspection providers, plan reviewers, contractors moving into code enforcement, and building-safety staff expanding their credentials. The ICC B1 case studies are 5 cases and about 2,982 words.
1Footings Poured and Buried Without Inspection, Plus an Unpermitted Bedroom Conversion
A permit was issued for a 2,400-square-foot two-story dwelling on a 0.3-acre lot. Three weeks into construction, an inspector making a routine stop finds the continuous footings and 4-foot stem walls already poured and the footing excavation backfilled and covered with 8 inches of gravel.
546 words, about 3 min2Basement Bedroom Window: Escape Opening, Well Depth, Light and Ventilation
A 14-foot by 12-foot basement room (168 square feet, 8-foot ceiling) is being finished as a bedroom. Its only opening is a double-hung window at the top of a 52-inch-deep exterior well.
519 words, about 3 min3Footing Width, Frost Depth and a Claimed Frost-Protected Slab on a Sloping Site
A two-story, 2,600-square-foot wood-frame dwelling is under construction. The lot is level at the front and slopes to a walkout basement at the rear.
671 words, about 3 min4Three Field Cuts in 2x10 Floor Joists During Rough Framing
During rough framing inspection of a two-story dwelling, the inspector finds three conditions in the first-floor system, where 2x10 No. 2 SPF joists at 16 inches on center span 14 feet between a center girder and the exterior wall: Condition A: a 3-1/8-inch hole for a 3-inch PVC drain, centered 2 inches above the bottom edge of the joist, located at midspan.
539 words, about 3 min5Masonry Chimney Height, Hearth Extension and Flashing on a 6:12 Roof
A masonry fireplace and chimney are being built on the rear slope of a one-story house with a 6:12 gable roof covered in asphalt shingles. The chimney is 40 inches wide at the roof and passes through the sheathing 6 feet horizontally from the ridge.
707 words, about 4 min