Major Addition Approved for Therma-Tron-X

An 88,200-square-foot addition for Therma-Tron-X was approved Jan. 10 by Sturgeon Bay’s Industrial Park Development Review Team.

The addition will be used for storage and be constructed on the existing 20,000-square-foot building at 1301 S. Neenah Ave.

It will also expand the building to the south toward Halyard Street and be identical to the existing building for materials and colors, with blue metal siding and gray, split-face block 4 feet up from the bottom.

Because the property is in two different parcels, city planner/zoning administrator Stephanie Servia said the lot lines need to be adjusted to build the addition, with the lot line moved from south of the existing 1301 S. Neenah Ave. building northward between the two Therma-Tron-X buildings.

A condition of the review team’s approval called for completing a certified survey map so the existing building and the addition are on the same, single lot. 

Jordan Nolle, a project engineer with Ruekert-Mielke, who appeared in person before the review team on behalf of Therma-Tron-X, said the addition is the second phase of a three-phase project with another addition planned for the third phase to be built in the same direction as the phase-two addition is going.

Jordan Nolle, a project engineer with Ruekert-Mielke, appears Jan. 10 before Sturgeon Bay’s Industrial Park Development Review team on behalf of Therma-Tron-X. Photo by Kevin Boneske.

“There won’t be any parking lot expansion for this third phase, other than a small loading dock that will be added, but that’s in the future,” he said.

Nolle said paved parking, two stormwater detention basins and a driveway are included in the phase-two design, along with utilities.

“Pretty much everything architecturally is the exact same as the 20,000-square-foot existing building on the lot – just a larger expansion that will be used primarily for storage, which is why the [additional] employee count is zero,” he said.

Therma-Tron-X marketing manager Lizbeth Bjarnarson said construction on the addition for phase two is scheduled to begin in May and be completed before the end of the year to provide warehousing and free up manufacturing space now being used for storage.

She said Therma-Tron-X continues to grow and expects to hire 50 more employees this year and another 50 in 2025.

Bjarnarson said the third phase of the expansion plan has yet to be determined at this time.

“We are focusing on completing what we have started and bolstering its sustainability,” she said.

The review team last June approved a 3,327-square-foot addition to be used as maintenance space and a 122-square-foot vestibule for Therma-Tron-X inside its original building at 1155 S. Neenah Ave.

Part of Expansion in TID #9

Because a portion of the 88,200-square-foot addition would be built where 4.41 acres of vacant land Therma-Tron-X owns became part of the city’s Tax Increment District (TID) #9 as of Jan. 1, community development director Marty Olejniczak said a portion of the addition’s value could be included in additional tax increment created for TID #9.

TID #9 also includes two other parcels located between South Neenah Avenue and Shiloh Road: a vacant, 17.8-acre parcel the city owns that is partly intended for a multi-tenant industrial building; and north of that, 17.45 acres privately owned with a dwelling, storage building and farmland.

Property taxes generated from development (i.e., tax-increment revenue) in a TID, once it is created, are able to go directly to infrastructure improvements rather than being split among the various taxing entities where a TID is located.

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