Cost

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Cost

The initial cost for a formwork system may be deceiving when one is controlling the cost of the forming process. The initial cost for purchasing a set of five or six tunnel forms is approximately half of $1 million. Although this may be much higher than the cost of conventional forms, the all-steel formwork construction allows the number of reuses to be anywhere from 500 to a 1000. This allows the contractor to reuse the forms on similar projects, thus reduc­ing the costs for each use of the forms. Once the forms begin to wear and deteriorate, rehabilitation of the forms can be accom­plished for approximately $100,000. This increases the life and number of reuses of the forms.