Oltmans partnered with ABB, Inc. to design and build the new turn-key 69/12kV 112MVA Harbor substation and retrofit existing Katella and Southwest Substation 69kV switchgear.

Oltmans scope of work is the design and construction of the new Harbor substation. The project includes:

  • One partially enclosed structure holding two power transformers with appropriate ventilation, fire wall and oil containment.
  • One completely closed building holding the GIS/ Metal Clad Switchgear, relays, control panels, capacitor banks, etc.
  • Two outdoor pad mount SL&P transformers with ATS.
  • Fire Alarm, Security system, Motor operated gate, Venting, HVAC, Lighting, Landscaping, Grading, Grounding system, Noise control, Restroom and Asphalt paving.

Square Footage: 37,400 s.f.