A pumpcrete machine in action. Concrete is dumped into this machine which pumps it through pipelines to wherever desired. The pumpcrete method was used to backfill around the penstock pipes and to backfill the twist adjustment slots.
Description
A pumpcrete machine in action. Concrete is dumped into this machine which pumps it through pipelines to wherever desired. The pumpcrete method was used to backfill around the penstock pipes and to backfill the twist adjustment slots.