Which cost estimating method would be most appropriate for a contractor preparing a preliminary budget estimate for a client during the design development phase?
Correct Answer
C) Assemblies method
During design development, the assemblies method is most appropriate as it provides better accuracy than square foot estimates while not requiring the complete detail needed for quantity takeoffs, which aren't possible without final drawings.
Why This Is the Correct Answer
The assemblies method is ideal for design development phase because it groups building components into logical systems (like wall assemblies, roof systems, etc.) that can be estimated even when detailed drawings aren't complete. This method provides a good balance of accuracy and practicality when you have enough design information to understand major building systems but lack the final details needed for precise quantity takeoffs. It allows contractors to provide meaningful budget estimates that are more accurate than conceptual square footage methods while being feasible with the available design information.
Why the Other Options Are Wrong
Option A: Detailed quantity takeoff method
The detailed quantity takeoff method requires complete, final drawings with all specifications to accurately count and measure every material and component, which are not available during the design development phase.
Option B: Square foot method
The square foot method is too preliminary and lacks the accuracy needed during design development when more detailed design information is available and clients expect more refined estimates.
Option D: Unit price method
The unit price method is typically used for repetitive work or when pricing individual components, but doesn't provide the systematic approach needed for comprehensive project budgeting during design development.
Memory Technique
Think 'Assembly line matches Assembly drawings' - when you have enough design info to see building assemblies but not final details, use the assemblies method.
Reference Hint
Look up cost estimating methods in the project management or estimating chapter of your contractor reference manual, specifically the section on estimating accuracy by design phase.
More Contract Admin Questions
A project experiences a 30-day delay due to unusually severe weather. The contract includes a liquidated damages clause of $1,000 per day for delays. If the weather delay is excusable but not compensable, what liquidated damages apply?
A commercial project requires a total of 12 inspections. The building department charges $85 per inspection for the first 5 inspections, $65 for inspections 6-10, and $45 for any additional inspections. What is the total inspection fee?
What document must be posted at the job site before a Certificate of Occupancy can be issued for a commercial building?
A mixed-use development requires a variance for reduced setbacks. The property is located within 500 feet of a hospital. What additional consideration must be addressed?
A LEED project requires tracking of regional materials. Materials are considered regional if they are extracted, harvested, or recovered, as well as manufactured within what distance of the project site?