25 percent of the purchased materials in the building by cost have recycled content. The Indoor Environmental Quality points are an op- portunity for the owner to showcase their commitment to the health and well-being of their employees. Early in the design, daylighting was identified as a key project goal. A lightwell with a vegetated roof turned an unat- tractive portion of the building into the space with the best light and views. To provide daylight in interior offices, daylight diffusion (Solatubes) was incorporated. Spaces are paired with daylight sensors and dimming to harvest daylight and reduce the overall electric use in the build- ing. Over 50 percent of the regularly occupied space met the requirement for the daylight credit threshold. The products used in Guidon HQ were carefully selected and monitored to ensure the best possible indoor environ- ment for building occupants. Adhesives, sealants, paints, and interior finishes have low or no emitted chemicals to improve the indoor air quality and reduces occupant irritation and allergies. Over 75 percent of these products meet strict regulatory requirements. Finally, the Innovation in Design category is an oppor- tunity for the owner and team to go the distance on credit achievement either through earning exemplary perfor- mance in one of the credits or through a custom credit achievement path. Guidon HQ earned the Biophilic Design Point through a close study of the opportunities presented at the site. These included maximizing park-like views of the neigh- boring President Benjamin Harrison Site’s lawn to the west of the site. A more urban view can be found at the east side of the building. Collaborative space and a con- ference room were programmed next to this view shed to maximize the amount of people who can experience the different sides of Indianapolis. To further the celebration of culture in Indianapolis each meeting space is named af- ter a different local neighborhood. These create gathering points that honor our urban culture, an important tenant of biophilic design. Guidon HQ supports ongoing sustainability efforts of track-
Guidon exterior front
cess. Product selection and specification review are equally important to achievement of these credits as the role of the contractor who will purchase and document these products. At Guidon HQ over 50 percent of the original exterior building surface (exterior brick) was reused. Over 75 percent of the existing structure was reused and the original 1962 terrazzo stair was restored at a fraction of the cost of a new stair. All the materials in the building were carefully selected based on the amount of recycled content, regional content, availability of a product lifecycle analysis, availability of an environmental product declaration, and emissions of volatile organic compounds (VOCs). Over
ing performance and encouraging responsible waste handling including things like composting food waste, recycling, and quarterly durable elec- tronic recycling drives. To learn more about Guidon Design visit www.guidondesign.com.
HANNAH FLECK has worked for Guidon since 2014 as a sustainability engineer. At Guidon, she has designed green infrastructure projects and led teams through the LEED certification process. She has been involved with USGBC Indiana for the past 6 years and is the recorder of the Market Leadership Advisory Board and chair of the local Women in Green committee.
csengineermag.com april 2020
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