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Public Works committee backs renewal for GPS monitoring station lease at Tumwater Hill Park
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Summary
The committee recommended placing a no‑cost land license renewal with Earthscope Consortium Inc. on the Nov. 18 council consent calendar to authorize a GPS monitoring station at Tumwater Hill Park that has monitored ground shifts for about a decade.
The Tumwater Public Works Committee on Nov. 6 recommended that the City Council place a land license renewal with Earthscope Consortium Inc. on the Nov. 18 consent calendar and authorize the mayor to sign, renewing permission for a GPS monitoring station at Tumwater Hill Park.
The station, installed after the 2007 earthquake, is a small, low‑footprint instrument anchored into near‑surface bedrock with a GPS unit and solar power. Chuck Denny, who presented the item to the committee, said the device "monitors ground shifts, over time," helping researchers measure gradual movement and, if an earthquake occurs, how far the ground shifted. Denny told the committee the station has been in place for about 10 years.
Committee members asked where the station’s primary monitoring hub is located. Denny said he did not know the destination of the station’s data and offered to follow up. The presentation described the site as having exposed bedrock next to a baseball field, which made it suitable for the long‑term sensor installation.
The committee’s recommended action was procedural: place the land license with Earthscope Consortium Inc. on the Nov. 18 City Council consent calendar with a recommendation to approve and authorize the mayor to sign. The committee approved that recommendation by voice vote.
The item will appear on the Nov. 18 consent calendar. The committee did not record a roll‑call vote in the transcript; approval was taken by voice vote.
