Owner: Brookfield Renewable Partners

Partner: Bancroft Contracting Corp.

Location: Waterville, Maine

Project Overview:

  • Designed and Installed a cellular cofferdam to assist the construction of a new fish passage.
  • The cofferdam consisted of five major cells with a diameter of 29’ and four minor cells with a diameter of 21’. All nine cells were backfilled with +/- 5500 cu.yds of material.
  • Cells were designed to hold back 24’ of river water.