Pigeon Stream Diversion Design Summary Report, Ekati Diamond Mine (EBA Engineering, January 2007)
This detailed design report for the Pigeon Stream Diversion at the Ekati Diamond Mine describes a 430-meter engineered channel to route Pigeon Stream around the proposed open pit development, maintaining fish passage and seasonal habitat compensation with thermal stability over 3-5 years. The design includes three sections (inlet, routing, outlet pool), a geomembrane liner system, and construction specifications for winter implementation.
- Date
- Document type
- Report
- Parties
- BHP Billiton Diamonds Inc., EBA Engineering Consultants Ltd., Rescan Environmental Services Ltd., Department of Fisheries and Oceans, Foundex Exploration Ltd.
- Locations
- Ekati Diamond Mine, Northwest Territories, Pigeon Stream, Pigeon Pond, Upper Pigeon Pond A, Fay Lake, Pigeon Kimberlite Pipe, Process Plant, Pigeon Pit, Pigeon Watershed, Yellowknife
- Parameters
- stream diversion design, water flow, fish habitat, thermal analysis, thaw depth, permafrost, hydraulic performance, geotechnical conditions, fresh water discharge, ground ice, substrate material, liner system
- Pages
- 91
Original document
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