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Meeting scheduled to review Potawatomi State Park observation tower removal

By Central Office April 20, 2018

Contact(s): Paul Holtan, DNR Office of Communications, 608-267-7517

Significant wood decay requires tower to be dismantled

STURGEON BAY, Wis. - The public can learn more about the decision to close and deconstruct the observation tower located at Potawatomi State Park at a public meeting that will be held at 6 p.m. Tuesday May 1 at Stone Harbor Resort in Sturgeon Bay.

The Wisconsin Department of Natural Resources discovered significant wood decay in the tower structure creating unsafe conditions and requiring removal of the tower. The tower, which has been closed for the winter season since last December, has now been permanently closed.

Routine inspections of the Potawatomi tower were conducted in the spring and early winter of 2017. During these inspections park staff found visual decay and movement of the structural wood tower members. DNR engineering staff were brought in and conducted additional inspections and recommended further review.

The DNR then again requested assistance from the USDA Forest Service Forest Products Laboratory in Madison, which had gained valuable experience from their inspection of Eagle Tower at Peninsula, which was removed in 2016 after studies found severe wood decay in that tower as well.

Forest Product Laboratory staff conducted an inspection in February 2018 using non-destructive wood-testing methods to examine the wood members and the structural integrity of the tower. Their inspection found significant decay in the structural and non-structural wood members of the tower, and they recommended that the tower be closed to the public and dismantled because the decayed components could not be repaired.

State park officials and a wood scientist from the Forest Products Laboratory will be at the meeting to explain the decision and provide details about the extent of decay found in the tower's wood structure. Stone Harbor Resort is located at 107 N. First Ave. in Sturgeon Bay.

The 75-foot tall Potawatomi tower was completed in 1932. It was financed by an organization known as the Sawyer Commercial Club, which promoted economic development in the Village of Sawyer, the original name for Sturgeon Bay's west side before it was annexed in the late 1800s.

"At this time there are no plans to replace the tower, but we welcome opportunities to work with partners to provide additional recreation opportunities at the park, which could include new observation facilities in the future," said Wisconsin State Parks System Director Ben Bergey.

Any new structure would have to meet state and federal building codes and be fully ADA compliant and accessible.

The department will begin planning deconstruction of the tower immediately with the intention to complete it as soon as practicable.

Last Revised: Friday, April 20, 2018

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