At some point in a company's growth, though, paper systems no longer make sense. They are prone to human error and eventually become cumbersome as company size increases. As a company procures more projects and employees, paper bookkeeping becomes more time-consuming, and the same is true for estimating. As a young estimator, I was in a position to evaluate computer versus manual estimating systems. At my first job as an estimator, the company subscribed to the Estimatic Electrical Estimating System. The takeoff was entered into a Teletype machine and sent to a mainframe computer in Denver. When the mainframe finished, the price and labor report was returned through the Teletype. This is how I learned to complete an estimate once the takeoff was finished.
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