Queens College has made advances in energy conservation by implementing best practices in the operations and maintenance components of its facilities management activity. Below is a list of examples of areas of activity that have resulted in energy conservation and associated savings:
Energy conserving changes were made to equipment run schedules for all days of the week. This was designed to lower energy consumption during hours when buildings are not occupied. The reduced run time of equipment was approximately 200kw daily, otherwise required to run numerous equipment, while we maintained required building comfort in hours after classes and overnight.
- Non-essential elevators were scheduled to be off on Fridays and during the weekends throughout the summer. This measure reduced wear and tear on equipment and saved energy, while maintaining adequate services for campus community.
- Timers were installed to reduce energy used by the power-consuming indoor tennis facility lighting system. This saved energy during unoccupied times and when lights were left inadvertently on, while no one occupied the space.
- Ten thousand 32w T8 fluorescent bulbs were replaced with reduced wattage 25w replacement bulbs. These bulbs are rated to last three times longer, provide equal or better light output, save energy and reduce maintenance. In just one of our buildings which was completely retrofitted, we were able to realize the energy savings equal to energy consumption of approximately 6-7 average American households.
- Control valves were installed on energy inefficient cast iron radiators, providing better occupant comfort, increasing heating system's efficiency and saving energy and wear and tear on the heat distribution system.
- Hundreds of steam traps have been replaced over the last five years, greatly increasing the steam system's efficiency, reducing losses in energy consumption from burning fossil fuel to create steam and reducing wear and tear on auxiliary distribution equipment
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Campus Energy Assessment
As part of our sustainability efforts, Queens College is participating in Mayor Bloomberg's PlaNYC: a commitment to a 30% reduction in carbon emissions associated with energy consumption by 2017.
CUNY retained O'Brien and Gere Engineers (OBG) to assess our campus energy usage and identify opportunities to reduce energy consumption. The OBG team was on campus from January through March 2010.
The assessment consisted of a building-by-building survey focusing on building facade conditions, lighting systems, electrical loads, HVAC systems, central heating/cooling plant and distribution systems, plumbing, laboratories, and storm water retention. The team visited mechanical rooms, public areas, classrooms, laboratories, and offices in all of our buildings.