Our project managers and superintendents struggled to coordinate projects between different estimators, who sometimes presented the same information in different formats. This was problematic during file integration, but also through transitions among staff. Personal preferences led to individual changes on each spreadsheet revision, in both appearance and function. A more troubling problem was the increasing disparity in spreadsheets from different estimators. Limitations with spreadsheets forced us to occasionally create multiple estimating files in order to allow more than one estimator to work concurrently on a single project. We also had problems with collaboration between estimators on a single estimate. Our system was effective for acquiring work, but didn't really allow for much integration with scheduling, project management, or accounting software.
About a year ago, our company was still estimating with spreadsheets.
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