Blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning. What should happen first?
Correct Answer
D) Install backing.
Required backing should be installed before wall finishes conceal the framing cavities.
Why This Is the Correct Answer
Required backing should be installed before wall finishes conceal the framing cavities.
Why the Other Options Are Wrong
Option A: Continue framing where blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning, and wait until final inspection to address the framing defect.
Continue framing where blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning, and wait until final inspection to address the framing defect. addresses a neighboring field issue, but not the condition or method control required for backing and blocking.
Option B: Photograph the condition where blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning, but close the framing item without resolving the framing condition before inspection closes.
Photograph the condition where blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning, but close the framing item without resolving the framing condition before inspection closes. addresses a neighboring field issue, but not the condition or method control required for backing and blocking.
Option C: Treat the item as layout cleanup where blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning, and wait until cover inspection to revisit the issue.
Treat the item as layout cleanup where blocking for a wall-hung vanity is omitted, and the drywall crew is scheduled for the next morning, and wait until cover inspection to revisit the issue. addresses a neighboring field issue, but not the condition or method control required for backing and blocking.
Memory Technique
The field condition asks; field-method choice answers in work boots for Coordinating Wall-Mounted.
Reference Hint
Study anchor (closed-book): memorize Backing and blocking from California Residential Code, California Code of Regulations Title 24. / Title 24 California Residential Code wall backing and support concepts; know the rule or calculation trigger without relying on exam-room lookup.
More Class B Trade Questions
A 2-inch horizontal sanitary branch must be installed at 1/4 inch fall per foot. What total fall is needed over a 24-foot run?
A 4-inch building drain is laid out with a required 1/8 inch fall per foot. What fall is required across 40 feet?
A rooftop unit schedule shows 3 tons of cooling. Using 12,000 Btu per hour per ton, what cooling capacity is this?
A pump motor is listed as 2 horsepower, and the coordination table asks for watts. Using 746 watts per horsepower, what is the approximate motor power?
A slab is 30 feet long, 18 feet wide, and 4 inches thick. How many cubic yards of concrete are needed before waste?
A footing is 80 feet long, 2 feet wide, and 12 inches deep. How many cubic yards of concrete are required before waste?
A patio subgrade must drain at 2 percent away from the building for 20 feet. What total drop is required?
A building pad needs 150 compacted cubic yards of fill. If the borrow material shrinks 10 percent after compaction, about how many loose cubic yards should be hauled in?
A roofing estimate shows 2,850 square feet of roof area. How many roofing squares is that?
A waterproof deck surface is 14 feet deep and must slope 1/4 inch per foot to the drain. What vertical fall is needed?