As a company, DPR Construction has a deep-seated commitment to sustainability, its employees, and the communities it serves. A couple of years ago, when the lease for its Phoenix office came up, the firm seized the opportunity to create an ultra-green environment for its 101-person Phoenix office and field staff.
Working with A/E firm SmithGroupJJR, DPR converted a vacant 16,533-sf one-time “adult-themed boutique” in the city’s reemerging Discovery Triangle into a LEED-NC Platinum office, one that is on target to be the first net-zero commercial office building in Arizona.
The Building Team—including sustainability consultant DNV KEMA and consulting structural engineer PK Associates—forged numerous paths to energy reduction. They used an 87-foot zinc-clad solar chimney to create a convection current that draws air into the building through four evaporative cooling “shower towers” equipped with internal misters and showerheads. The pre-cooled air then flows through the open office space, and hot air exhausts back through the chimney.
PROJECT SUMMARY
DPR CONSTRUCTION, PHOENIX REGIONAL OFFICE
Phoenix, Ariz.Building Team
Submitting firm: SmithGroupJJR (architect/MEP engineer), in conjunction with DPR Construction (owner/developer/GC)
Structural engineer: PK Associates Consulting Structural Engineers
Sustainability consultant: DNV KEMA Energy & SustainabilityGeneral Information
Size: 16,533 sf
Construction cost: $3,762,000
Construction time: February 2011 to October 2011
Delivery method: Design-build
Twelve eight-foot-diameter fans, three oversized roll-up doors, and 87 operable windows installed along the east and north façades further support the building’s passive cooling system. Eighty-two solar optical tubes bring additional daylight into the workspace, helping to cut artificial lighting by 70%.
LEDs provide exterior site lighting, but the team decided against using LEDs on the interior because they did not meet the project goal of a maximum 10-year return on investment. A phantom-load reduction “vampire” switch cuts off 90% of plug loads at night.
The tally: Net energy use intensity was cut to 28.85 kBtu/sf/year; lighting power density was reduced to 0.96 watts/sf. Net-zero energy was achieved through the installation of a 79.6 kW PV-covered canopy over half the parking lot.
To further its commitment to the community, DPR has opened its building to host meetings for local business groups, students, and nonprofit organizations. +
Related Stories
| Feb 25, 2013
First look: Google's new HQ is engineered for creative collisions
The new California "Googleplex" will be engineered to make sure no Google employee will be more than a 2.5 minute walk away from any other.
| Feb 25, 2013
AISC seeks proposals for development of BIM best practices guide
The American Institute of Steel Construction seeks assistance from BIM users in identifying and documenting best practices to facilitate the long-term standardization of BIM in structural steel construction.
| Feb 22, 2013
Westlake Reed Leskosky will renovate training center for Cleveland Browns
Local firm Westlake Reed Leskosky has been chosen to design renovations to the Cleveland Browns' Training and Administrative Complex in Berea, Ohio.
| Feb 22, 2013
Starbucks pilot program rolls out small, modular stores
Coffee giant Starbucks is rolling out mini-stores with maximum local flavor, as part of an international pilot program.
| Feb 22, 2013
Defense department report: Green design saves taxpayers money
An independent report on energy efficiency and sustainability standards used by the Pentagon for military construction affirms the value of LEED-certified high performing buildings to America’s military and U.S. taxpayers.
| Feb 22, 2013
Detroit project would bring 'fairytale forest' to riverfront
A proposal by atelierWHY to create a heavily wooded park on the downtown riverfront has taken first place in the juried Detroit By Design competition.
| Feb 22, 2013
Zaha Hadid to help plan new London-area airport hub
The Mayor of London has appointed Zaha Hadid Architects to help create a major new airport in southeastern England.
| Feb 21, 2013
AIA College of Fellows awards 2013 Latrobe Prize for 'The City of 7 Billion'
The American Institute of Architects (AIA) College of Fellows has awarded the 2013 Latrobe Prize of $100,000 for the proposal, “The City of 7 Billion.”
| Feb 21, 2013
BD+C's 2011 White Paper: Zero and Net-Zero Energy Buildings + Homes
We submit our eighth White Paper on Sustainability in the hope that it will inspire architects, engineers, contractors, building owners, developers, building product manufacturers, environmentalists, policymakers, government officials, corporate executives, officeholders, and the public to foster the development of net-zero energy buildings and homes.
| Feb 21, 2013
BD+C's 2008 White Paper: Green Buildings + Climate Change
In this White Paper, we provide concrete ways in which AEC professionals can have a positive role in addressing climate change.