How hole count affects cost. Key variables in excavation. Understand a formula for estimating. Vacuum excavation, also known as potholing, is a method of exposing utilities using water and suction.

The goal of estimating is to provide a quality estimate with a price that will allow the company to make a profit. Contractors should be in business to make a profit, not to win bids. When an ...

Think of how often you have been unprepared for a meeting or another important engagement. Opportunity is lost when we are unprepared. Benjamin Franklin said, “By failing to prepare, you are preparing ...

A description and location of the work. Required completion date, if any. The name and phone number of your department's contact person. Except for very complex projects or where the scope of work is ...

An innovative model allows the excavation rate of tunnel excavation machines in rocks and soils to be predicted by means of simple variables that can be measured in real time. In his PhD thesis ...