The cost data in this set has been organized in "assemblies" format. As such, it is most useful for developing budgetary estimates at the design development stage of a design project. Designers can easily compare the costs of using various construction systems, making informed decisions before committing to a specific construction or system type. The wage rate is union and the assumption is that the installing contractor have billings of $4,000,000 or more. It is aimed primarily at estimating commercial and industrial projects or large multi-family housing projects costing $3,500,000 and up. Although created for new, commercial construction, the assemblies data set can be adapted for a preliminary renovation estimate.