1.3.3.  Commercial Pricing Sources.

These sources might include commercial pricing guides and/or software such as RSMeans® Construction Cost Data, WinEstimator®, DoD Facilities Pricing Guide, Parametric Cost Engineering System (PACES) and Tri-Service Cost Model (for Housing Projects). Many of the commercial software programs allow adjustments for local site conditions, labor rates, and material prices. These programs also provide pricing for construction specialties, such as square footage costs, Americans With Disabilities Act (ADA) compliance pricing, assemblies cost data, concrete/masonry, electrical, and facilities (versus residential). A comprehensive site for cost estimating resources is available at NASA's Cost Estimating Website.