Polk Elementary School had not been expanded or upgraded since its construction in 1964, and was challenged to meet its increased capacity, maintain its aging building systems, and provide the spaces needed for today’s educational programs.
MAGINNISS + DEL NINNO ARCHITECTS began by conducting a thorough survey and assessing existing conditions. We organized and lead a series of meetings with a building committee comprising teachers, administration, and parents to determine needs and prepare a program based on the current and future educational requirements. The resulting Master Plan outlined a phased project to minimize disruption of school activities. The Alexandria School Board mandated that the project implement sustainable design strategies in concert with its “GreenOvation” program.
The project highlights several innovative strategies that saves the school 45% of its previvous energy cost. The out-dated original HVAC system was replaced by a ground-coupled water-source system utilizing eighty deep wells and a variable refrigerant volume heat pump system. Solar hot water provides supplemental heat for the HVAC system as well as the domestic hot water. In addition to the quiet and efficient HVAC system for all classrooms, a new ceiling and daylight 5000 K lighting completes the upgrade of environmental systems.
The Gymnasium addition features an “Eco-Aire” system designed to use energy-free tempering of the fresh air for the Gymnasium by drawing it through buried conduits as well as evenly distributed tubular skylights and digitally controlled LED lighting fixtures.
Polk Elementary School also now features a beautiful and efficient green roof, which party contributed to the completed project’s LEED Gold certification.