Cost estimates

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Kawai Yam

September 04, 2021 00:07

Can someone tell me which one is the most correct cost estimates?

In one study material,
New Project Feasibility = Project Comparison Method 
Preliminary Design = Area or volume method 
Schematic Design = Assembly or Systems estimate
DD/early CD = Parameter Method
CD's & Specs Done = Unit Cost Method 

In other study material,
SD= Assembly Method
DD = Area method
Bidding= Unit Cost method
CD= Parameter method 

In other study material,
SD= Area/Volume Estimate
DD/ CD= Subsystems Estimate


Can someone let me know which answers is ncarb prefer more? 

Thanks

1

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  rebekkak September 20, 2021 17:54

  The cost estimate done later in the design process will be the most accurate.  So the one done during CDs or just before the bids are sent out.  The other info included in the question (method used to derive it) is irrelevant. Hope this helps!

  Rebekka O'Melia, Registered Architect, NCARB, B. Arch, M. Ed, Step UP, Step UP ARE 5.0 Courses

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  Kawai Yam September 20, 2021 18:47

  rebekkak Thanks for replying. 
  I do understand the concept like what you mentioned. but I did see exam question before asking for the particular "Cost estimates method" term for particular project phase. So I just want to make sure which answer is "more correct" 
  
  Thanks again for helping out 

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