208-772-6003

Water Projects

US Fish & Wildlife Service
Malheur National Wildlife Refuge, Princeton, Oregon

CONSTRUCT FISH PASSAGES & SCREENS

This $2.5M project was for the construction of 7 different fish passages and screens, located in the Malheur Wildlife Refuge, with some as far as 48 miles apart. This project was accomplished during the 5th wettest year since 1902 with river flows rising as much as 4' in one hour. Project included; Structural Steel and demo, concrete, excavation, and water control in an environmentally and geologically sensitive area.
Preston, Idaho

COTTONWOOD FISH LADDER

The project included the following: Site demolition, trenching, backfilling and compaction, excavation and fill, slope protection and erosion control, concrete framework and reinforcement, structural steel framing, metal fabrications, slide gate valves, bypass piping, fish screen panels, and steel paddle wheel for energy source for the fish screens. The resting pools featured in picture were created by the weirs.
US Army Corp of Engineers - Seattle District
Chelan County, Washington

25 MILE CREEK DOCK PROJECT

This $998K project was for the demolition and removal of an existing pier, ramp and dock. Work also included; construction of a fixed pier, a ramp that provides access from the pier to the dock, and a floating dock with a boat slip.  This dock serves as a point of departure for all uplake administrative activities on the Chelan Ranger District and docks fire fighting boats.
State of Washington - Dept of Fish & Wildlife, Dayton, WA

DAYTON ACCLIMATION PONDWAY FISHWAY & SCREENS

This $1.5M project was contracted to Northcon to build the Dayton Fish Ladder. The controlled fish trap is used to catch the native steelhead and is used for the WA Dept of Fish & Wildlife breeding program. The project included the following: river diversion, excavation, heavy hauling, structural concrete and steel, electrical, demolition, stream bead reconstruction, HDPE Pipeline, survey/staking, fencing, eco block walls, sheet piles and roadway boring.

USACE Charleston, SC

SHORT STAY WALL

This $1.3M project includes the demolition of existing lake wall, sheet pile installation, concrete caps, backfill behind new lake wall, relocated picnic tables & trashcans, topsoil & sod.

Northcon Inc.  •   10615 N. Government Way  Hayden, ID 83835  •  Phone: 866-772-6003  •  Fax: 208-772-2533