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Whole Building Retro-Commissioning at BU’s Photonics Center

Whole Building Retro-Commissioning at BU’s Photonics Center. March 15, 2016. Photonics Center. Built in 1995 275,000 sq ft B-9 Floors Mixed use: Wet labs Dry labs Clean Rooms Classrooms Offices. Base Case. Building-wide simultaneous heating/cooling

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Whole Building Retro-Commissioning at BU’s Photonics Center

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  1. Whole Building Retro-Commissioning at BU’s Photonics Center March 15, 2016

  2. Presentation Title Photonics Center • Built in 1995 • 275,000 sq ft • B-9 Floors • Mixed use: • Wet labs • Dry labs • Clean Rooms • Classrooms • Offices

  3. Presentation Title Base Case • Building-wide simultaneous heating/cooling • High air changes per hour (12-16+ ACH) • No further capacity of exhaust system on West Side • 500 1st generation VAV controllers limited memory • Controllers attached to 10MB Network Controllers

  4. Presentation Title Keys to Success • Buy-in from upper management • Support from, and partner with, BU EHS • Coordination of day-to-day space access

  5. Presentation Title Technical Assistance Study • Eversource funded 25% • National Grid funded 25% • Boston University funded 50%

  6. Presentation Title Technical Assistance Study ECMs Identified: • AHU Optimization • Conference, Classroom, & Office Ventilation Reduction • Lab Hood and Make-up Air Reduction • Strobic Fan Motor Replacement and VFD Retrofit • Boiler Controls Upgrade • Chiller Plant Integration and Optimization • Process Free Cooling

  7. Presentation Title Savings Summary • 2.2M kWh or 20% • 90K Therms or 25% • IRR +/- 25% Savings realized by going beyond “typical” RCx and incorporate “fundamental” design changes/optimizations

  8. Presentation Title Benefits • Occupant comfort • Operational improvements • “New” capacity for the future lab expansion

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