500 KV Replacement – Umatilla, OR



Replace the existing 500kV group-operated switches ZU1, ZU2, ZU3 and ZU4 with surge resistors and grounding switches, and to construct and install the platforms and walkways and incidental related work. The includes the following:

Preparation of new mounting provisions for 500kV group-operated disconnect switches with surge resistors and manual grounding switches to fit in place of the existing 500kV hydraulic group-operated disconnect switches and grounding switches

Match existing connection points of the new switch terminals to the existing aluminum tubular buses and line terminations

Remove and dispose of four (4) existing 500kV group-operated disconnect switches with grounding switches, and hydraulic operators, complete with hydraulic fluid and piping

Furnish and install new 500kV, 2000 ampere motorized group-operated disconnect switches with electric operators and surge resistors, and motor operated grounding switches in place of each existing 500kV hydraulic group-operated disconnect switch

Reconnect to the existing aluminum tubular bus and line terminations

Furnish and install new control cables, new 120VAC and 125VDC feeders from the indicated source to the disconnect switch operators

Prepare and furnish an operations and maintenance manual for the new disconnect switches, electric operators, surge resistors, and manual grounding switches

Provide new platforms, ladders, and walkways for the operator control stations and maintenance catwalks

TITAN provided a Quality Control Manager to the project.


  • Procedures for tracking preparatory, initial, and follow-up control phases; control, verification, and acceptance tests including documentation
  • Coordination of project logistics, materials and equipment
  • Managing the day-to-day quality control activities
  • Kept designated personnel and management staff apprised of status of work
  • Ensured all reports were prepared and submitted in accordance with the QC Plan, including the Daily Quality Control Reports
  • Maintained all the project quality control files
  • Reported and logged any work not meeting Spec requirements
  • Recorded all data in QCS database


Project Type Government
TITAN Role Quality Control (QC) Manager
Client Koontz Electric Company, Inc.
Completion Date May 2018