MJ Hughes has experience with dam upgrade and fish ladders.
This project removed an old wood stoplog spillway system and upgraded it to hydraulically controlled Obermeyer sluice gates. Major hydro-demo […]
The work on this project involves removing and replacing deteriorated concrete in select locations on the walls and floor slabs […]
The work on this project consisted of two major features of work. These were armor plating the base of a […]
Project involved constructing a temporary work bridge to span over existing electrical equipment outside of the powerhouse to perform window […]
This project involved refurbishing concrete stoplogs for Chelan PUD. Work consisted of removing and replacing the rubber seals around the […]
This project involves repairing the concrete on a section of the existing draft tube deck on the Rocky Reach Dam […]
Replacement of steel removable bulkheads in the McNary Juvenile Collection Channel with permanent precast concrete bulkheads. Work included design, fabrication, […]
This project involved two separate features of work spread out over two phases.
The first phase removed and replaced 200′ of […]
MJ Hughes constructed a new channel for the Little Hoquiam River then removed the existing dam and re-directed waters into […]
MJ Hughes first completed the owner’s 30% design then we replaced failing slide gates and added keyed rip rap slope […]