VFD Replacement Phase 3

Design Authorization

Item No.: 8f supp

Meeting Date: June 9, 2026

Project Scope

Project replaces 125 failing Robicon Variable

Frequency Drives (VFDs) that are beyond their

useful lives and no longer supported by

manufacturer.

Scope includes:

1. Install 125 new VFD units.

2. Connection to Port’s Direct Digital Controls

(DDC) system.

3. VFD wiring, testing, commissioning, and

associated equipment for a fully functioning

system.

4. Salvage components from these existing VFDs

and add them to Port’s spare parts inventory.

Project Location

Insert images/photos of the work location.

Project Schedule

Milestone Date

Commission Design Authorization Q2 2026

Design Start Q3 2026

Commission Construction Authorization Q2 2027

Cone of Certainty

Are

Here

Action Requested

• Prepare design, procurement, and construction bid documents.

• Utilize Port of Seattle crews to support design and pre-construction activities.

• Request to authorize $5,050,000

– Estimated total project cost not to exceed $15,100,000

QUESTIONS?

THANK YOU.