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BCWWA – Whistler Athletes Village Stormwater Management Plan

Frank Belfry and David Zabil from Kerr Wood Leidel present the Whistler Athletes Village “Cheakamus Crossing” Stormwater Management Plan.

The Athletes Village located to the south of the main village is a 42 Ha site adjacent to a closed landfill, close to the wastewater treatment plant and on the banks of the Cheakamus River, a steep mountain stream.

Two Modes:-
Games Mode –

  • 2600 athletes and staff
  • 700 technical officials
  • temporary facilities
  • novel use of dwellings to accommodate large number of visitors.

Legacy Mode –

  • High performance training facility
  • Lodge, Hostel
  • 250 townhouse units
  • 4 storey condo buildings

LEED-ND pilot program
LEED-NC (silver) for 3 buildings
District Energy System from Wastewater treatment plant

Stormwater Management
RMOW Criteria flow and prevention of harm to the environment.
DFO Criteria due to new discharges
Maintain pre-development creek flows

SWMP

  • Planters fed by roofs, lined and perforated pipe to stormwater system
  • Raingardens
  • Infiltration trenches
  • 1.5 Ha of roads not source controlled – diverted to North Wetland and infiltration pond.
  • Regional Detention Ponds

Landfill was a concern from leachate generated by groundwater movement.

Cut-off ditches to intercept undeveloped clean water off 12Ha of hillside. Shallow bedrock.
7Ha of landfill was capped with impermeable layer
9Ha of residential captured in a natural low spot, contain and seal lower cutoff with shotcrete against rock wall.

Mike Thomas

Mike Thomas P.Eng. ENV SP, is the author of UrbanWorkbench.com and Director of Engineering at the City of Revelstoke in the Interior of British Columbia, Canada. If I post something here that you find helpful as you navigate the world of engineering, planning and building communities, that’s wonderful. But when push comes to shove: This is my personal blog. The views expressed on these pages are mine alone and not those of my employer.