Ridley Island Pump Station

Owner

Prince Rupert Port Authority

Completed Date

October 2015

Project Description

This Design-Build project was to supply a new pump station to supply domestic and fire flows to Prince Rupert Port Authority clients on Ridley Island. The station replaces an existing aging pump station on the same property. Tritech completed the majority of the engineering work in house including all process mechanical, electrical and controls with detailed engineering support from McElhanney for structural and civil works.

Tritech won this project with a cost-effective design approach, and the ability to demonstrate a strong understanding of the scope, and with innovative solutions to minimize disruption to the Port Authority’s industrial clients. Tritech was able to identify the major risks for the client early on in the project so there was time to come up with cost effective mitigation strategies. Tritech’s scope of work for this project included:
  • Upgrading the existing extended aeration plant from 1,500 m3 to 6,150 m3
  • Adding a new SBR plant, installing new headworks (rated for 11,200 m3), and upgrading the effluent pump station.
  • Installing a UV disinfectant system, an emergency genset generator, and other mechanical and electrical upgrades.
Tritech was required to maintain the operations of the existing WWTP during the construction period. Poor ground conditions also created an additional challenge and required Tritech to conduct soil densification operations.

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