Perform a conceptual estimate for a $355,000$ sf office building to be constructed in Charlotte, NC$.$ The building will be completed in September $2023.$

As a comparable you have identified a building with the following characteristics:

$-$ Size: $305,210$ sf

$-$ Location: Denver, CO

$-$ Completion Date: June $2001$

$-$ Cost: $$36,679,378$

Using appropriate indices for key parameters, adjust for size, time, and location to find the conceptual estimate cost for the new building to be built in Charlotte, NC$.$

Time Factors: $($See attached tables from ENR Economic Data$)$

Location Factors: $($See attached tables from RS Means Building Costs$)$

Denver : $89\mathrm{.}8$

Charlotte : $85\mathrm{.}8$

Size Factors: $($See attached table$)$

$($Also consider the Size Adjustment Formula$)$

$($Also consider the RS Means Square Foot Project Size Modifier$)$

ENR Cost Indexes $($ENR$.$com$/$economics$)$

ENR BUILDING COST INDEX HISTORY $(1908-2022)$

June $2001$ : $3572$

June $2022$ : $7890$

Oct $2022$ : $7965$