Columbia Waste Water Treatment Expansion

City of Portland

About

This Work

Added two hemophilic digesters to the existing system, including replacement of medium voltage switchgear, new double-ended 2,500 kVA substation, low voltage distribution (MCCs and panelboards), and Instrumentation & Control (I&C) design. Work was completed in accordance with Bureau of Environmental Services standards.

Aerial view of a water treatment plant with multiple tanks, processing units, and surrounding greenery.

Project Specifications

Facility:

Wastewater treatment plant expansion

Substation:

Double-ended 2,500 kVA

Systems:

Low-voltage distribution

I&C

Specialty:

Hemophilic digesters

Emergency power

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