A contractor is considering tilt-up construction for a warehouse project. What is the primary advantage of this construction method?
Correct Answer
B) Faster construction schedule and reduced labor costs
Tilt-up construction's primary advantage is speed and labor efficiency. Wall panels are cast on-site and tilted into place, significantly reducing construction time and labor costs compared to conventional masonry or steel construction methods.
Why This Is the Correct Answer
Tilt-up construction's primary advantage is indeed speed and labor efficiency. The process involves casting concrete wall panels horizontally on-site, then using cranes to tilt them into their vertical position. This method eliminates the need for extensive formwork at height and reduces the skilled labor required for traditional masonry work. The streamlined process significantly reduces construction time and overall labor costs compared to block-by-block CMU construction or steel frame with infill walls.
Why the Other Options Are Wrong
Option A: Lower material costs compared to CMU construction
While tilt-up may have competitive material costs, this is not its primary advantage. Material costs are often comparable to CMU construction, and the main benefit lies in the construction process efficiency rather than raw material savings.
Option C: Better insulation properties than conventional walls
Tilt-up concrete panels do not inherently provide better insulation than conventional walls. In fact, concrete has relatively poor insulation properties compared to insulated wall systems, and additional insulation must be added to meet energy codes.
Option D: Easier to modify after construction is complete
Tilt-up construction is actually more difficult to modify after completion because the walls are large, monolithic concrete panels. Making openings or modifications requires cutting through reinforced concrete, which is expensive and structurally complex compared to removing individual CMU blocks.
Memory Technique
Think 'TILT = Time Is Less Than' other methods - the primary benefit is time and labor savings, not materials or performance.
Reference Hint
Look up concrete construction methods and tilt-up construction in the construction methods section of your reference materials, typically found in commercial construction chapters.
More Project Mgmt Questions
What is the minimum R-value required for wall insulation in Florida Climate Zone 2?
A subcontractor brings a new chemical product to your jobsite. Under the Globally Harmonized System (GHS), what information must be immediately available to workers?
A construction site has a trench that is 8 feet deep in Type B soil. What is the maximum allowable slope ratio for the trench walls without protective systems?
A detail drawing shows a scale of 3/4" = 1'-0". If a dimension measures 2.25 inches on the drawing, what is the actual dimension?
What is the maximum recommended spacing between drywall screws when attaching to wood studs?
People Also Study
Business & Financial Management
120 questions · 70% to pass
Contract Administration
60 questions · 70% to pass
Previous Question
For a residential floor system with 16-inch on-center spacing, what is the maximum allowable span for 2x10 Southern Pine joists (grade #2) supporting a live load of 40 psf?
Next Question
A confined space entry permit is required for a 10-foot deep utility vault that contains electrical equipment. The space has natural ventilation and normal oxygen levels. Why is a permit still required?