The Gosper County Courthouse faced significant energy efficiency issues, particularly due to the original design featuring wind-driven ventilators that failed to adequately control cold air infiltration during winter. The absence of attic space and storm windows further exacerbated these problems.
To address these issues while maintaining the building’s good overall condition, the renovation scope was limited, focusing on energy improvements that included roof insulation, ventilation upgrades, and window modifications.
The courthouse, with its flat roof, suffered from leaks that rendered existing insulation wet and ineffective, necessitating its complete removal. This process allowed for the closing of the ineffective wind turbine system.
New restroom exhaust systems were implemented using power exhaust fans linked to light switches. For insulation, two layers of four inches of extruded polystyrene were installed to reduce energy loss.
A new 40-millimeter EPDM roofing membrane was then applied, anchored with a river rock surface, along with an insulated roof access hatch.
Regarding windows, the existing single-glazed units had a fixed upper sash with a hopper-style lower sash.
To enhance energy efficiency, storm windows with a fixed upper and sliding lower sash were added, including weatherstripping for improved sealing.
A 20-year protective finish and ultra-violet shield coating were also applied to the wood members.
Jim Brown Construction from Holdrege managed the renovation project, with a contract signed on July 20, 1989, for $83,110.
The construction commenced on August 15, 1989, and concluded on March 9, 1990, with two approved change orders reducing the total cost to $80,645.
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