Storm Water Management

BC Housing & Tsain-Ko: “Our House of Clans”

Gwaii provided civil and environmental engineering services for this BC Housing project. The “Our House of Clans” project is a six-story residential/commercial building atop a concrete parade. The finished building will provide 34 dwelling units for Nation members as well as a community kitchen and ground floor commercial space.

Indigenous capacity-building efforts included engaging Indigenous subcontractors, employing a field technician selected from the community to work with both the civil engineer and the civil contractor, and providing training and job shadowing to interested community members.

Gwaii’s scope included:

  • Prepare Onsite Roadworks and Parking Plans: plan, profile and cross section of access road, tie into existing roadway.
  • Prepare Offsite Works Plan.
  • Prepare Onsite Site Servicing Plans including fire hydrants and water meters as required – tie into existing SCRD services, coordinate underground electrical, cable & phone servicing with electrical engineer.
  • Prepare Subgrade and Final Grading Plans: coordinate with geotechnical engineer as required.
  • Prepare Stormwater Management Plan: coordinate with mechanical engineer.
  • Prepare Sediment & Erosion Control Plan.

Malahat Nation Marina and Boat launch

Gwaii was the prime consultant on the design and construction of the boat launch and Marina at Whaling Station Point. This is an ongoing (currently In Progress) project that in its first phase included comprehensive survey of the challenging topography, design of access and egress points and a strategically located round-a-bout. Additional design work included a Storm water management plan that incorporated raingardens, storm attenuation through controlled storage, and release into the ocean. Two significant parking areas were designed to handle both trailer and regular cars. Gwaii worked with the Nation on retaining and completing all required environmental studies and permits for construction within an intertidal zone.
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