John Day Lock and Dam Powerhouse Waterstop Repair

Date: 

2013

Location: 

John Day Lock and Dam; Sherman County, OR and Klickitat County, WA

Project Specifications: 

Contract Price: $744,302
Completion Date: 12/03/2014
Key Elements: Decrease the amount of water entering the powerhouse through failed monolith waterstops by repairing the waterstops.

Description: 

The purpose of this project was to significantly decrease the amount of water entering the powerhouse
through failed monolith waterstops by repairing the waterstops in the three key areas:
(1) Roadway/Intake Deck Monolith Joints.
(2) Grout Gallery.
(3) South Fish Ladder (SFL) Fishway and Auxiliary Water Supply (AWS) Conduit.