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Recent content by dryfish

  1. dryfish

    rock blasting

    Agree with the above. Blast larger rock and crush into smaller.
  2. dryfish

    Trenching through frozen ground w/ rigid insulation

    Here is the scope of work: Trenching through silty frozen ground with existing rigid polystyrene insulation about 2 feet down. Trench depth of 3.5 feet. Laying in cables and then replacing the insulation damaged from trenching. Backfilling with native soil. Water necessitates doing the work in...

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