HIGH SCHOOLS

Hoisington High School

This project involved the renovation of the mechanical and electrical systems and was performed in phases to allow school sessions to continue.

The renovation of the HVAC system included a new higher efficiency gas-fired boiler with redundancy.  The boiler provides heating hot water for the terminal units.   With the limited floor-to-floor spacing, the existing unit ventilators were replaced.   The gymnasium was provided with a constant volume, chilled/hot water air handling units, the educational areas are conditioned by unit ventilators, and the auditorium is provided with a chilled/hot water air handling unit with sound control.   Chilled water is produced in an air-cooled, rotary compressor chiller with remote indoor evaporator.

The electrical system is based on 277/480 volts serving HVAC equipment and lighting with separately derived 120/208 volt systems to serve other power needs.  The renovated electrical system allows for dedicated clean power for computer loads in the classrooms.   The entire building was rewired to eliminate old and unreliable wiring.  The lighting system design is fluorescent fixtures equipped with energy efficient T8 lamps and solid state ballasts.

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