This costbook puts thousands of current, reliable mechanical and electrical costs at your fingertips, so you can estimate quickly and accurately. All of the data is organized according to the industry standard the CSI MASTERFORMAT so you can find everything you need fast. What's more, Geographic Modifiers allow you to tailor your estimates to specific areas of the country. Every cost item has been carefully researched and updated. The mechanical and electrical portions of a building typically account for 30% or more of construction costs. This type of work is very specialized and includes materials and installations which require detailed pricing -- such as piping, valves, ducts, fans, chillers, condensers, conduit, and transformers. All of these areas are thoroughly covered in this costbook. Over 14,000 unit prices are broken down into material and labor costs, and complete man-hour tables provide maximum coverage and flexibility.