• Specialty

  Air Quality
  

• SECTOR

  Commercial
  

• TYPE

  Permitting / Compliance
  

• CLIENTELE

  Private Sector
  

• TIMESPAN

  2010

• LOCATION

  Franklin, MA

Greenhouse Gas Study for Big Y, Franklin

SERVICE:

Greenhouse Gas Analysis for a New Supermarket

DESCRIPTION:

Tech Environmental provided the greenhouse gas (GHG) study for a new 57,000 square-foot Big Y Supermarket in Franklin. The study was prepared as part of an Expanded Environmental Notification Form field under MEPA regulations.

The GHG analysis was performed consistent with the Massachusetts Executive Office of Energy and Environmental Affairs (EOEEA) "Greenhouse Gas Emissions Policy and Protocol" (May 5, 2010). The Policy requires a project to quantify carbon dioxide (CO2) emissions and identify measures to avoid, minimize or mitigate such emissions, quantifying the effect of proposed mitigation in terms of emissions reduction and energy savings. The GHG Emissions Policy and Protocol requires quantification of GHG emissions from three sources: direct emissions from on-site stationary sources, indirect emissions from energy generated off-site (electricity), and traffic generated by the project. The project's GHG emissions will include: 1) direct emissions of CO2 from natural gas combustion for space heating, generating hot water, and cooking of food for sale; 2) indirect emissions of CO2 from electricity generated off-site and used on-site for lighting, building cooling and ventilation, and refrigeration equipment; and 3) transportation emissions of CO2 from project traffic. CO2 emissions were quantified for: (1) the Base Case corresponding to the 7th Edition of the MA Building Code that adopted the 2006 IECC with the 2007 Supplement (the Code), and (2) the Preferred Alternative, which includes all mitigation measures.

This analysis used the eQUEST energy design software (version 3.63b, July 2009), which incorporates the U.S. Department of Energy's DOE-2 building energy use model. Energy mitigation measures incorporated into the supermarket design include added insulation for the building envelope, an energy management system, high-efficiency HVAC units and refrigeration equipment, interior light power density lower than Code, day-lighting controls, a cool membrane roof, and high-efficiency outdoor lighting. Total direct and indirect CO2 emissions are reduced 11.0% from the base case (a Code-compliant building) with these measures. Transportation Demand Management measures will reduce project-related motor vehicle emissions by 2%.

 

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Key Points

• The Big Y Supermarket project in Franklin, MA needed to comply with MEPA regulations by performing a GHG study.
• Tech performed a study of the project's potential GHG emissions. Suggested mitigation measures would reduce the supermarket's direct and indirect emissions by 11%.