ASHRAE attempted to earn 55 LEED points out of a potential total of 69 points under LEED NC 2.2 and ultimately earned 54 LEED points (37 design & 17 construction) and a Platinum rating based upon the building features below and actions that were taken during the renovation process. The one point that was denied was Environmental Quality - LEED EQ 8.2: Daylight & Views: Views for 90% of Spaces due to the lack of windows in the Learning Center meeting rooms.
- ASHRAE is renovating on a greyfield site, which eliminates impact on environmentally sensitive areas such as prime farmland, flood zone, endangered species habitat, wetlands, etc.
(Sustainable Sites – LEED SS1: Site Selection).
- ASHRAE is renovating on a site that is located within ½ mile radius of three residential zones and at least 10 basic services.
(Sustainable Sites – LEED SS2: Development Density & Community Connectivity).
- ASHRAE is renovating on a site that is located within ¼ mile of two public bus lines.
(Sustainable Sites – LEED SS4.1: Alternative Transportation, Public Transportation Access).
- ASHRAE is providing on-site bike storage and a shower and changing room.
(Sustainable Sites – LEED SS4.2: Alternative Transportation, Bicycle Storage & Changing Rooms)
- ASHRAE is allocating 10% of its parking spaces in preferred locations to carpool and low-emitting/fuel efficient vehicles.
(Sustainable Sites – LEED SS4.3: Alternative Transportation – Low-Emitting & Fuel Efficient Vehicles & SS4.4: Alternative Transportation – Parking Capacity)
- ASHRAE has increased the amount of vegetated open space by 45.2% above local code requirement.
(Sustainable Sites - LEED SS5.2: Maximize Open Space)
- ASHRAE has reduced the amount of site runoff by 31% and reduced the runoff rate by 30% through increased vegetated open space, green roofs, and a stormwater detention system. In addition, a bio-retention system treats 90% of the annual rainfall volume to remove 80% of the total suspended solids.
(Sustainable Sites - LEED SS6.1 Stormwater Management, Quantity Control & SS6.2: Stormwater Management, Quality Control)
- ASHRAE and Polycon Manufacturing Inc. worked together to install a SlurryKote material with a solar reflectance index of 32 over more than 50% of the asphalt parking lot to minimize heat island effects.
(Sustainable Sites – LEED SS7.1: Heat Island Effect – Non-Roof)
- ASHRAE has installed a cool white reflective roof membrane with a solar reflectance index of 78 to minimize heat island effects.
(Sustainable Sites – LEED SS7.2:Heat Island Effect – Roof)
- ASHRAE worked to minimize light trespass from the building and site, reduce sky-glow to increase night sky access, improve night-time visibility through glare reduction, and reduce development impact on nocturnal environments through the careful selection of interior and exterior light fixtures.
(Sustainable Sites – LEED SS8: Light Pollution Reduction)
- ASHRAE has updated the landscaping and eliminated the need for landscaping irrigation.
(Water Efficiency – LEED WE1.1 & WE1.2: Water Efficient Landscaping).
- ASHRAE has reduced its estimated annual water consumption per year for bathrooms from 133,100 gal./yr to 63,500 gal./yr (52.3% reduction) by utilizing low flow fixtures compared with conventional fixtures.
(Water Efficiency – LEED WE2: Innovative Wastewater Technologies)
- ASHRAE has reduced its estimated overall annual water consumption per year from 253,021 gal./yr to 135,921 gal./yr (46.3% reduction) by utilizing low flow fixtures compared with conventional fixtures throughout building. (When compared with the old building’s water usage, the savings are even greater with an estimated 79% reduction in annual water consumption)
(Water Efficiency – LEED WE3: Water Use Reduction)
- ASHRAE has reduced its estimated annual energy usage by more than 32.5% through enhancements to the building envelope and use of the following systems: 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.
(Energy & Atmosphere - LEED EA1: Optimize Energy Performance).
- ASHRAE and GA Power are working together to demonstrate how PV arrays can be utilized to generate clean power by taking advantage of under-utilized space on building roof. It is estimated that the installed array will provide more than 8% of the building’s total annual energy cost in the form of renewable energy.
(Energy & Atmosphere - LEED EA2: On-site Renewable Energy).
- ASHRAE used the enhanced commissioning process from ASHRAE Guideline 0 which helped develop the owner’s project requirement, which was monitored throughout the renovation.
(Energy & Atmosphere-LEED EA3: Enhanced Commissioning)
- ASHRAE selected refrigerants for use in the building that minimize the emission of compounds that contribute to ozone depletion and global warming. In addition, a refrigerant leak detector system from Thermal Gas Systems, Inc. is used to identify potential system leaks early.
(Energy & Atmosphere - LEED EA4: Enhanced Refrigerant Management).
- ASHRAE has implemented an extensive measurement and verification system and plan to provide for the ongoing accountability of the building performance over time through the ASHRAE Living Lab.
(Energy & Atmosphere - LEED EA5: Measurement & Verification).
- ASHRAE staff is 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.
(Material & Resources - LEED MR1 Prerequisite: Storage & Collection of Recyclables)
- ASHRAE is 'walking the talk' by showing building owners how they can extend the life cycle of the existing building stock, conserve resources, and reduce waste and environmental impacts of new buildings by retaining more than 92% of the existing building structure as part of this renovation.
(Material & Resources - LEED MR1.1: Building Reuse: Maintain 75% of existing Walls, Floor & Roof)
- ASHRAE helped to protect our local environment by diverting more than 91% of the construction waste from this project away from landfills and incinerators and instead redirected the waste back into the manufacturing process as recovered resources.
(Material & Resources - LEED MR 2.2: Construction Waste Management: Divert 75% from Disposal)
- ASHRAE is helping to increase the market for recycled content materials by utilizing products and materials made from recycled content that make up more than 23% of the total value of the materials for the project.
(Material & Resources - LEED MR 4.1 & 4.2: Recycled Content: 20%)
- ASHRAE is helping to increase demand for building materials and products extracted and manufactured within 500 miles of the building site by utilizing materials from this region that make up more than 30% of the total value of the materials for the project.
(Material & Resources - LEED MR 5.1 & 5.2: Regional Materials: 20%)
- ASHRAE is utilizing an extensive permanent air quality monitoring system from Aircuity, Inc. and others to help sustain occupant comfort and well-being in the renovated building.
(Environmental Quality - LEED EQ1: Outdoor Air Delivery Monitoring)
- ASHRAE and Trane, Inc. worked together to provide a 6,000 CFM dedicated outside air system for the building can provide ventilation rates to each space that are 30% higher than Standard 62.1-2004.
(Environmental Quality - LEED EQ2: Increased Ventilation)
- ASHRAE and GAY Construction Company worked together on this project 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.
(Environmental Quality - LEED EQ 3.1 & 3.2: Construction IAQ Management Plan – During Construction & Before Occupancy)
- ASHRAE and Interface Carpet worked together 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.
(Environmental Quality - LEED EQ 4.1, 4.2 & 4.3: Low-Emitting Materials – Adhesives, Sealants, Paints, Coatings, Carpet Systems, Composite Wood & Agrifiber)
- ASHRAE is providing a comfortable thermal environment that supports the productivity and well-being of all building occupants by adhering to the requirements of ASHRAE Standard 55 and by surveying their occupants for feedback on a regular basis.
(Environmental Quality - LEED EQ 7.1 & 7.2: Thermal Comfort – Design & Verification)
- ASHRAE is now utilizing the ASHRAE HQ building to educate design professionals and the general public on sustainable features and processes that were 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. Free tours of the building are offered by appointment.
(Innovation in Design – LEED ID 1.1: Sustainable Education)
- ASHRAE is utilizing a Green Cleaning Policy & Integrated Pest Management (IPM) Program to reduce 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 out of the working environment.
(Innovation in Design – LEED ID 1.2: Green Cleaning Policy & Integrated Pest Management (IPM) Program)
- ASHRAE exceeded the requirements of WE Credit 3 by achieving a 40% reduction in water use when compared to a baseline water use for the building after meeting the Energy Policy Act of 1992 fixture performance requirements.
(Innovation in Design – Exemplary Performance of credit WE 3: Water Use Reduction)
- ASHRAE took the extra step of commissioning the building envelope (new & existing sections) to further reduce energy consumption and improve occupant comfort and indoor air quality.
(Innovation in Design – Building Envelope Commissioning)