Squamish River Dike Raising - Upper Jimmy Jimmy (Judd) Slough

pre-construction

The proposed project will raise approximately 900 metres of the Squamish River dike at an extremely high-hazard location where dike failure could result in loss of life, cause direct damages to buildings and infrastructure totaling $190M (2016$) and displace some 7,000 people in the community nodes of Brackendale, Garibaldi Estates, and the popular public Eagle Viewing Area as well as Squamish Nation Reserves Aikwucks I.R. No. 15, Seaichem I.R. No. 15, and Kowtain I.R. No. 14. This project will build on previous upgrades to attain the target level of protection adopted in the District of Squamish 2017 Integrated Flood Hazard Management Plan. The level of protection adopted in the IFHMP was selected based on community engagement and a Quantitative Risk Assessment that considered the potential for larger and more frequent floods occurring in the future. The reach of dike proposed for this project will be the first section of dike to reach the intended level of protection. Project Works: - Raise approximately 900 metres of the Squamish River dike - Widen dike crest from 4 metres to 6 metres - Provide rip-rap erosion protection for the raised portion of the dike - Add new vehicle turnout - Upgrade one access ramp