Two masonry proposals appear close in price, but one excludes scaffolding and wall reinforcing. What should the GC do before selecting the apparent low proposal?

An owner assumes the architect's site visit means the architect is supervising the contractor's crews. What AIA A201 concept corrects that assumption?

The GC and owner disagree about what a specification requires. Under AIA A201, who commonly provides interpretations and decisions during administration?

The architect observes work that does not conform to the Contract Documents. Which AIA A201 architect authority may apply?

A subcontractor says the prime contract general conditions do not apply to its work. Under AIA A401, what should the GC point to?

An addendum adds 18 access panels at $315 each installed. What amount should be added to the bid?

A slab-on-grade is 96 ft by 54 ft and 5 in thick. Including 7% waste, how many cubic yards of concrete should be carried?

An addendum adds 14 doors at $685 each installed. What additive amount should be added to the bid for those doors?

A CMU wall area is 2,240 sf after openings. If one block covers 1.125 sf and 4% waste is included, how many blocks should be estimated?

An office ceiling takeoff is 11,250 sf. Ceiling tile waste is 6%. How many square feet of tile should be carried?

A framing crew averages 310 lf of partition layout and track per day. The bid includes 2,170 lf. At $1,540 per crew day, what labor amount should be carried?