Project Detail
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Unit #4 Penstock Replacement

Location:
Ellsworth, ME
Completed:
2007

Scope of Work

Cianbro removed the exiting riveted steel penstock and replaced it with a new welded penstock from the upper forebay wall to the scroll case.

Project Details

  • Removed the existing riveted steel penstock
  • Installed a new welded penstock from the upper forebay wall to the scroll case
  • Installed a new 12 foot steel penstock consisting of three elbows and a 12 foot to 10 foot transition piece
  • Installed a new expansion joint

Lean, Innovative, and Unique Project Solutions

All pieces were fabricated and delivered by Cianbro. All components were field fit and welded in a confined space. Cianbro performed UT and MT testing of welded joints.