ICC R5 case studies
ICC R5 · Put your knowledge to work in context.
The ICC R5 is a certification exam in the International Code Council's credentialing program for construction codes and standards. The ICC describes its credentialing program as "one of the most historic and prestigious credentialing programs for construction codes and standards" and states that it is "committed to upholding the highest standard through continuous review and partnership with experienced professionals." This page is an independent study resource and is not affiliated with, endorsed by, or sponsored by the International Code Council. The ICC R5 case studies are 5 cases and about 2,446 words.
1Permit Expiration and Unpermitted Scope Creep
An inspector visits a 1,900-square-foot single-family house after a complaint. The owner has a permit issued March 3 for a 14-foot by 22-foot master-bedroom addition.
541 words, about 3 min2Walkout Basement Bedroom, Beam Clearance, and Wet Foundation
A walkout-basement remodel creates a new bedroom, a bathroom, and a hallway. The bedroom has a sliding window with a clear opening 22 inches wide and 46 inches high; the sill is 50 inches above the finished floor.
512 words, about 3 min3Deck Ledger, Joist Drilling, and Field-Cut Roof Truss
A 16-foot by 20-foot deck is attached to a house with a 2x10 rim joist. The builder fastened the ledger with 16d common nails at 12 inches on center; there are no lag screws or through-bolts, and the ledger is installed over 1/2-inch foam sheathing with vinyl siding.
448 words, about 2 min4Crawlspace Ducts, Attic Exhaust, and Combustion Air
A 2,400-square-foot house in Climate Zone 5 has a vented crawlspace. The builder installed the supply and return ducts in the crawlspace but left them uninsulated except for a 6-mil vapor barrier on the soil.
486 words, about 2 min5Garage Door, Missing Smoke Alarms, and Stair Guard Deficiencies
A two-story house has an attached garage. A solid-core door connects the garage to a laundry room; it has a spring hinge but no self-closer, and the laundry room has a door to a first-floor bedroom.
459 words, about 2 min