Now it's easier than ever to use Means open shop costs for estimating commercial and residential construction. Includes unit costs for over 21,000 line items - all priced using up-to-date Means open shop trade labor rates. PLUS: Square and cubic foot costs; and must-have background data on construction methods and materials. It's invaluable for on-the-spot pricing. Evaluating change orders. Preparing budgets. Comparing quotes. And more!