Use customized injection equipment and grout designs with fluidifiers, to fill voids and abandon pipes down to 1” in diameter and lengths in excess of 3000’. Building bulkheads can be an option on many projects.
Petersburg - Typical fill and vent ports and bulkhead for grouting.
Grouting a pipe to abandon at Anchorage Airport.
UAA - Filling a series of 3" x 800' long pipes.
Petersburg - Injecting cellular concrete to abandon 7 pipes ranging from 2' - 4' diameter up to 500' long.