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Edgerton council approves $16,028 contract for testing of Greenspace concrete
Summary
The Edgerton City Council approved a $16,028 contract with Braun Intertec to perform petrographic analysis after staff observed surface scaling on exterior concrete at The Greenspace; the city will fund the test initially and use results to determine responsibility for repairs.
The Edgerton City Council on April 10 approved a $16,028 contract with Braun Intertec to perform petrographic testing of exterior concrete pavement at The Greenspace after staff reported surface scaling on sidewalks and drives installed in late 2024. The motion to approve carried 3-0.
Development Services Director Holly Robertson told the council the project architect subcontracted Braun Intertec for third-party testing during construction and staff later observed areas where the concrete surface was flaking. Robertson said staff solicited proposals from three firms and recommended Braun Intertec’s proposal as the most qualified and within the remaining project budget.
City Administrator Beth Linn said the city will pay for the evaluation now and will use the report to pursue responsibility once the cause is determined. Councilmember Clay Longanecker asked who would ultimately pay for repairs; Robertson said the petrographic analysis is intended to identify whether the issue stems from materials, placement/finishing, or other causes. Public Works Director Dan Merkh noted environmental and placement factors can affect concrete performance even after material tests meet specifications.
Councilmember Ron Conus questioned Braun Intertec’s selection, noting the firm had provided testing during the project; staff clarified Braun’s original testing covered material conformance, while this evaluation will examine cores, air voids, finishing and other petrographic factors to diagnose the distress. Robertson said the results will inform next steps for repair or replacement and help the city and contractor determine responsibility.
The motion to contract with Braun Intertec was moved by Councilmember Clay Longanecker and seconded by Councilmember Bill Malloy; the vote was 3-0. Staff said it will monitor the project budget and update the governing body when final completion is achieved.
