Gallagher Lake Siphon Repair
“We gratefully acknowledge the financial support of the Province of British Columbia through the Ministry of Agriculture, Food and Fisheries”
Anticipated Project Completion: April 2022
Latest Update: April 2021 – Project Underway
April 2021 Progress Update
- Final preparations have been made to ensure the canal is ready to convey water for the 2021 irrigation season.
- A temporary canal transition from the lift station to the old canal was constructed.
- Archaeology testing is still underway near the culturally sensitive area.
March 2021 Progress Update
- Steel decking was added to the inlet structure.
- Lift station is being prepared to hold water for the coming irrigation season.
- Vaseux Creek restoration is nearing completion, many of the trees and shrubs that were originally removed during creek excavation were placed on the creek side slope.
- Backfilling over and around the inlet pipe connection to the pump station has been completed.
- Archaeology testing is underway near the culturally sensitive area.
February 2021 Progress Update
- Vaseux Creek stream bed restoration was completed.
- Final sections of the 8 foot concrete have been installed.
- Joints inside the 8 foot concrete pipe have been grouted.
- Work around 8 foot concrete pipe at connection point to the Lift Station has commenced.
- Thick, protective concrete slabs have been placed over the 8 foot concrete pipe under active portion of Vaseux Creek.
- Final 11 sections of spillway box culvert have been placed.
January 2021 Progress Update
- Walls and Columns of Lift Station continue to be formed and poured.
- Sections of 8ft concrete pipe continue to be installed.
December 2020 Progress Update
- Third concrete pour successfully completed.
- Fish Fencing installed up and down stream of the Vaseux Creek Crossing.
- Shoring work to temporarily divert Vaseux Creek was completed during the second week of December.
November 2020 Progress Update
- Sections of pipe were delivered to site.
- Under ideal weather conditions the first Siphon Lift Station concrete pour was successfully completed Mid-November.
Second concrete pour was completed the following week.
Project Background
- In January 2016, a large rockfall occurred at Gallagher Lake, crushing the reinforced concrete siphon below which conveys irrigation water to agricultural properties in the RDOS Area C. An internal repair was completed, during which time a 1.2 meter diameter pipe was grouted in place. This repair has allowed for continued use of the canal, operating at a 32% reduction in supply capacity.
- Repair and re-routing options were reviewed by the Town and Osoyoos Indian Band. The life cycle costs for construction, operation and maintenance led to the final design presented herein.
Design Overview
- A large diameter pipe will connect to the concrete open channel canal north of Vaseux Creek.
- Irrigation water will travel under Vaseux Creek following the same route as the existing canal crossing.
- Irrigation water will flow into a pump station near the outlet of the existing canal crossing.
- Irrigation water will travel from the pump station through a 1.5 meter diameter pipe down the road Right of Way north of the Country Pines Mobile Home Park.
- It will travel south on Highway 97 between the highway and Gallagher Lake Frontage Road.
- The pipe will then cross Highway 97, travel across Osoyoos Indian Band reserve land and reconnect to the existing open channel canal.
Financial
- Anticipated Project Cost – $11,475,024
- Funding Sources – $5,000,000 from the Province of BC, and $6,480,000 from the Town of Oliver
More details on the project may be found here
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