Work is underway on the Washington County Courthouse’s clock tower. The Washington County Board of Supervisors approved the contract with TNT Tuckpointing and Building Restoration, LLC, Tuesday morning. The company is hot water pressure washing, spot tuckpointing, replacing sealant, and applying a water repellant. The repellant the company is applying has a warranty of 20 years. The total cost for the clock tower work is $59,000.