Transcript Slide 1
Stave Lake Water Supply & Treatment Project Existing Water Supply System • • • Norrish Creek Cannell Lake 19 Groundwater Wells Water Demand vs. Existing Supply Water Supply (MLD) Existing (2007) Future (2031) Demand (MLD) Surplus/(Deficit) (MLD) Demand (MLD) Surplus/(Deficit) (MLD) Average Day 143 78 65 163 (20) Maximum Day 143 142 1 297 (154) 350 300 Maximum Day Demand (MLD) The City of Abbotsford has one of the lowest per capita water uses in the Lower Mainland. 250 MDD 2015 MDD - 20% Existing Supply 200 150 100 2009 Bevan 25 MLD Other Sources Considered Hayward Lake – ($220M NPV) - Potential contamination from Mission landfill leachate. Pumping costs. Stave Lake – ($224M NPV) Fraser River – ($232M NPV) - Requires significant pumping and has significant turbidity spikes. Harrison Lake – ($334M NPV) - Long distance and high cost. Pumping costs. Most of these source options did not address the required filtration of the Cannell Lake water source. Dickson Lake – ($239M NPV plus dam upgrade costs) - Potential for difficult and lengthy environmental process. No redundancy. Chilliwack Lake – ($374M NPV) - Long distance and high cost. Potential geotechnical challenges. New Water Source – Stave Lake Consists of an intake, pump station, water treatment plant and transmission mains from Stave Lake, through Mission and into Abbotsford. Includes a crossing of the Fraser River. New Source – Stave Lake Estimated Completion Year 2015 Intake/Pump Station (1) $50 M Water Treatment Plant (2) $130 M Pipeline Construction (3) $105 M Reservoir Construction (4) $15 M Total Capital Cost $300 M Stave Lake Intake Design • Many design options were considered and ranked by costs, as well as potential impacts to the community and environment. • An underground tunnel connecting intake with pump station avoids disturbing known archeological sites. • Site will be buffered by trees along shoreline to shield pump station from view. Next Steps • Focus on federal and provincial environmental permitting and site review. • Consultation with public, stakeholders and First Nations. • Investigate procurement models for Project. Construction 2011-2012 Construction of the transmission main south of the Fraser River will begin this spring. This will improve the ability of the AMWSC to meet maximum day demands in the short term. Grant Funding • Applied for P3 Canada Fund funding in June 2010 • Potential for 25% capital funding • Procurement business case was completed by Deloitte/CH2M Hill advisor team • Will also be seeking Provincial funding sources for this project Next Steps