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11 Optimise energy performance : The estimated annual energy usage was reduced by more than 32.5% through enhancements to the building envelope and use of a dedicated outside air supply (DOAS) with energy recovery, ground-source heat pumps and mini-split systems with heat recovery. Nine out ten potential points were earned for this credit.
12 On-site renewable energy: GA Power demonstrated how PV arrays can be utilised to generate clean power by taking advantage of under-utilised space on the building’s roof. It is estimated that the installed array will provide more than 8% of the building’s total annual energy cost as renewable energy.
13 Enhanced commissioning: The enhanced commissioning process from ASHRAE Guideline 0 was used.
14 Enhanced refrigerant management: Refrigerants were selected that minimise the emission of compounds that contribute to ozone depletion and global warming. In addition, a refrigerant leak detection system from Thermal Gas Systems is used to identify potential system leaks early.
15 Measurement and verification: An extensive measurement and verification system has been implemented to provide for the ongoing accountability of the building performance over time through the ASHRAE Living Lab.
16 Storage and collection of recyclables: ASHRAE staff are working hard to reduce waste generated within the building and hauled to and disposed of in landfills by collecting paper, cardboard, glass, plastics and metal on-site for recycling and by switching to bottle-less water coolers.
17 Building reuse: ASHRAE is showing building owners how to extend the lifecycle of existing building stock, conserve resources and reduce waste and environmental impacts of new buildings by retaining more than 92% of the building structure.
18 Construction waste management: Over 91% of the construction waste from this project was diverted away from landfills and incinerators, and instead redirected back into the manufacturing process as recovered resources.
19 Recycled content: Products and materials made from recycled content make up more than 22% of the total value of the materials for the project.
20 Regional materials: ASHRAE increased the demand for building materials and products extracted and manufactured within 500 miles of the building site by utilising materials from this region, which made up more than 29% of the total value of the project materials.
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21 Outdoor air delivery monitoring: An air quality monitoring system from Aircuity is helping sustain occupant comfort and well-being in the renovated building.
22 Increased ventilation: ASHRAE and Trane worked together to provide a 6000 CFM dedicated outside air system for the building, which can provide ventilation rates to each space 30% higher than Standard 62.1-2004.
23 Construction IAQ management plan: GAY Construction Company helped to reduce IAQ problems resulting from the construction/renovation process in order to help sustain the comfort and well-being of construction workers and building occupants by developing and following a construction IAQ management plan. Air-quality tests done just prior to occupancy validated the intended results of this plan and eliminated the need for a lengthy, energy-consuming, air flush-out process.
24 Low-emitting materials: Interface Carpet helped to reduce the quantity of indoor air contaminants that are odorous, irritating and/or harmful to the comfort and well-being of installers and occupants.
25 Thermal comfort: A comfortable thermal environment supports the productivity and well-being of all building occupants by adhering to the requirements of ASHRAE Standard 55 and by surveying occupants for feedback on a regular basis.
26 Sustainable education: ASHRAE is utilising its headquarters to educate design professionals and the general public on the sustainable features and processes used to renovate the building and site in order to expand and enhance the awareness of green design principles and its impact on the environment.
27 Green cleaning policy and integrated pest management (IPM) programme: This reduces the exposure of building occupants and maintenance personnel to potentially hazardous chemical, biological and particulate contaminants, which adversely affect air quality, human health, building finishes, building systems and the environment.
28 Building envelope commissioning: ASHRAE took the extra step of commissioning the building envelope (new and existing sections) to further reduce energy consumption and improve occupant comfort and indoor air quality.
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