The foundation of every computerized estimating system is its database of unit prices. This type of pricing looks at typical project components, such as an exterior wall or a floor system, and calculates the cost per a particular unit of measure, such as a square foot, a square yard, or a linear foot. To develop a unit price, you need to do a stick estimate, but you only need to do it once for each component in your database. The stick estimate worksheet I discussed in my last column (Business, Aug/13) has all the elements needed to create a unit...

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