Award of Merit - Green Building

The Nature Conservancy of Indiana wanted a headquarters with a carbon footprint so small the building would be among the first in Indiana to win LEED Platinum certification.

Photo Courtesy: The Nature Conservancy
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Its vision inspired both Wilhelm Construction and Axis Architects to complete the new headquarters to meet the requirements for LEED Platinum status.

The Nature Conservancy’s new headquarters building, The Efroymson Conservation Center, is a 22,500-sq-ft, three-story office building. The exterior design elements include limestone, reclaimed brick, cement board siding rain screen system, operable windows and two levels of green roof.

The interior consists primarily of offices and conference room spaces constructed to maximize daylighting and personal comfort.

The HVAC system consists of heat pumps served by a geothermal well system and underfloor plenum air distribution design to maximize user comfort.

The building’s lighting system is 100% occupancy and light sensors to maximize lighting levels, while conserving energy by utilizing natural lighting.

Key Players

Developer/Owner: The Nature Conservancy
GC: F.A. Wilhelm Construction Co. Inc., Indianapolis
Architect: AXIS Architects, Salt Lake City
Civil Engineer: EMH&T, Indianapolis
Structural Engineer: Lynch, Harrison, & Brumleve, Indianapolis
MEP Engineer: Circle Design Group, Indianapolis