The Means Light Commercial Cost Data 2016 The All-in-One Cost Guide for Light Commercial Construction Whether you're new to light commercial construction or you've been at it for years, it takes smart cost planning and estimating to complete a successful, profitable project. The 34th edition of this comprehensive cost guide provides easy-to-use, reliable cost information for adjusters, appraisers, architects, contractors, developers, planners, and project managers. Assemblies Costs - More than 4,900 commonly used light commercial construction systems with a wide variety of alternative specifications and pricing.Unit Costs - Light commercial unit costs covering more than 15,000 building materials. Model Costs - Over 45 square foot cost models for popular types of light commercial construction.