In my previous two columns (Oct/13 and Dec/13) I discussed in detail how unit pricing items are developed and how using them to estimate jobs can save you time and increase accuracy. Whether you estimate with an off-the-shelf system or using an Excel spreadsheet, most systems today are built around a database of unit pricing items. Depending on your areas of focus, you could have a library of hundreds or even thousands of unit price items that can be used to develop a detailed estimate of the tasks required for any project, from startup to cleanup. All the parts, pieces,...

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