Bonneville Dam Juvenile Fish Bypass System Outfalls

Project started in 1998 - Project completed in 1999
Two juvenile fish bypass outfalls in the Columbia River downstream of Bonneville Dam were installed.

Ice Harbor Navigation Coffer Cells

Project started in 1996 - Project completed in 1997
Spillway deflectors were installed at eight of the Ice Harbor Dam's ten spillways.

John Day Dam Flow Deflectors

Project started in 1996 - Project completed in 1998
General Construction contract was to build 17 pier extensions and 18 flow deflectors 30 ft underwater along the spillway face of the dam.

Priest Rapids Dam Fish Bypass

Project started in September, 2005 - Project completed in March, 2006
General Construction modified two existing spillways for fish bypass.

Revelstoke Penstock Project

Project began November 2007 - Expected Completion is November 2008
As a joint venture with Kiewit's Western Canada District, General Construction Company is installing the fifth penstock at Revelstoke Dam in Canada.

Wanapum Dam Fish Bypass

Currently in construction - Scheduled to finish in 2008
General Construction is in the process of constructing a new fish bypass spillway at Wanapum Dam, located on the Columbia River near Vantage, WA.