SLC is currently working on The Confederated Tribes of the Umatilla Indian Reservation (CTUIR) Catherine Creek (CC44) Parcel 3 Fish Habitat Restoration Project. The project started in November 2015 and will conclude during the Fall of 2016.
This portion of the CC44 project will include extensive channel, side channel, and floodplain swale construction, installation of large wood structures and woody material, floodplain grading, channel reclamation, bridge installation, and site clean-up to remove dilapidated structures and features located on the property.
For this project SLC has installed GPS controls on several pieces of equipment, the results has been terrific with a great increase of efficiency.
Work for the project consisted of excavating approximately 1,800 feet of new river channel, filling in approximately 1,300 feet of existing river channel, and creating 400 feet of side channel.
The project consisted of the demolition of the existing irrigation diversion structure and construction of a new structure, creation of new irrigation diversion channel, grading and placement of stream simulation material, and instillation of numerous habitat structures, brush mats and willow bundles. In addition, new side channels and alcove areas were created.
The Lostine Diversion Fish Passage Improvements included the demolition of the existing concrete structure, re-grading of approximately 300 feet of the Lostine River downstream from the previous structure, installation of 11 cross-vanes, and the construction of two wood debris structures.
The Baum Habitat Improvements consisted of the construction of a new side channel, two large log jam structures were, along with 10 smaller woody debris jams.
