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County approves $71.15M contract modification for Gibsonton septic-to-sewer conversion

Hillsborough County Board of County Commissioners · February 18, 2026

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Summary

The board approved a second GMP modification to Rickman Construction's contract for the Gibsonton septic-to-sewer conversion, raising the total to $71,148,144.92, adding ~39 homes and multiple commercial/mobile-home connections; funding includes $8 million in CIP and $2 million in EPA grant reimbursement.

Hillsborough County commissioners on Feb. 18 approved the second guaranteed maximum price (GMP) modification for the Gibsonton septic-to-sewer conversion project, authorizing construction of Work Package B and increasing the construction-manager-at-risk contract with Rickman Construction to $71,148,144.92.

Lisa Ray, Water Resources, told the board the modification increases the contract by just over $10 million; the increase incorporates $8 million budgeted in this year's capital-improvement program and $2 million expected to be reimbursed via an EPA grant. Ray said the scope addition will allow approximately 39 additional homes to connect, three commercial properties, and two mobile-home parks (12 units each), bringing the project's total served to just over 100 homes.

Commissioner Wills moved approval, Commissioner Myers seconded, and the motion carried 6-0. Commissioners thanked staff for prior outreach in the Gibsonton area and asked staff to continue communicating with concerned residents.

What happens next: staff said the increase mainly funds construction of a required lift station and that project funding and timelines will be reported through standard CIP updates.