Ahousaht Wastewater Treatment and Marine Outfall Project

Owner

Ahousaht First Nation

Project Completion

2021

Project Description

Ahousaht First Nation is located on Flores Island (25 min water taxi from Tofino). Tritech was General Contractor for the construction of the new Ahousaht Wastewater Treatment Plant, Pump Station, Forcemain, Marine Outfall and ancillary systems.

Tritech’s scope of work for this project included:

The supply and installation of all equipment, instrumentation, and electrical systems for the construction of the following:

New Pump Station

Two WWTP buildings

Treatment Equipment: Headworks Equipment, Clarifiers, RBCs, UV

Sludge Processing Equipment: sludge pumps, dewatering equipment, sludge holding tank

Force mains and Outfall

The work for the project also included:

Excavating and backfilling the site

Modifications to the existing septic tank system

Installation of pipes, valves and pumps inside the new Treatment Plant building and pump station

Heating and ventilation

Electrical work including MCC, genset and facility grounding

Integration of the new instrumentation and controls into a SCADA system, testing and commissioning

Construction of underground pipe, manholes and electrical conduits between the new equipment and facilities; and

Environmental mitigation involving eelgrass transplanting and rock reef construction following outfall installation

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TRITECH GROUP LTD. (BC)

5413 – 271 Street
Langley, BC V4W 3Y7

Tel: (604) 607-8878
Fax: (604) 607-8872

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