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  Wayne N. Aspinall Federal Building & U.S. Courthouse ModernizationWayne N. Aspinall Federal Building & U.S. Courthouse Modernization

Architect of Record

The Beck Group
1807 Ross Avenue, #500, Dallas, TX 75201
www.beckgroup.com

Design Architect

Westlake Reed Leskosky
1422 Euclid Avenue, #300, Cleveland, OH 44115
www.wrldesign.com

 

General Description

Location: Grand Junction, Colorado Design Build: June 2010
Construction Period: Mar 2011 to Jan 2013 Total Square Feet: 41,600 Site: .75 acre.
Number of Buildings: One.
Building Size: Basement, 10,400; first floor, 10,400; second floor, 10,400; third floor, 10,400; total, 41,600 square feet.
Building Height: Basement, -11’; first floor, 15’4”; second floor, 11’; each additional floor, 11’; floor to floor, 11’; penthouse, 9’; total, 53’.
Basic Construction Type: Renovation. Foundation: Existing. Exterior Walls: Existing. Roof: Membrane. Floors: Concrete, wood, existing. Interior Walls: Metal stud drywall.

Project Team

Structural, Mechanical, Electrical, Plumbing Engineer
LEED/Sustainable Design Consultant:
Westlake Reed Leskosky - 1422 Euclid Avenue, #300, Cleveland, OH 44115
Design Build Contractor: The Beck Group - 1001 17th Street, #PL100, Denver, CO 80202
Construction Manager: Jacobs Technology, Inc. - 501 North Broadway, St. Louis, MO 63102
Civil Engineer: Del-Mont Consultants, Inc. - 125 Colorado Avenue, Montrose, CO 81401
Commissioning Agent: ME Group, Inc. - 707 17th Street, #3000, Denver, CO 80202


Modernization of the Wayne Aspinall Federal Building and U.S. Courthouse preserves historic character while transforming the landmark into one of the most energy efficient federal buildings in the country.

The Design-Build approach acknowledged the federal government’s goal to be carbon-neutral by 2030, and creates a “green proving ground” demonstrating how to potentially make an existing historic building perform at net-zero energy, 17 years ahead of schedule.

Funded by ARRA, the LEED® Platinum certified project transforms the 1918 structure into an innovative sustainable model. The design aims to be GSA’s first Site Net-Zero Energy facility on the National Register. Building Physics Analysis was used to study space thermal comfort, natural ventilation, daylighting, envelope thermal performance, renewable energy potential, and whole building energy performance. To achieve net-zero energy goals, monitoring is critical, with building performance monitored to occupant level. Lighting, receptacle use, HVAC equipment loads, and carbon dioxide levels are monitored with data integrated on a lobby dashboard. Surplus energy will be exported to the utility’s power grid.

Sustainable strategies include a roof canopy-mounted 123 kW photovoltaic array (generating electricity on-site to power 15 average homes), increased building insulation, and dedicated ventilation and variable refrigerant flow systems with 32-well passive geo-exchange system for heating and cooling. The building is on a highly restricted site, which limited placement of photovoltaic system to rooftop application. The roof was encumbered by elevator/stair penthouse and major HVAC equipment. The residual un-shaded roof area was inadequate for the quantity of photovoltaic equipment required to achieve Site Net-Zero Energy, resulting in placement of photovoltaic panels atop a new, elevated “canopy” with a very thin profile, whose underside is sheathed in metal. Due to historic significance of the building’s exterior, the canopy was set back as far as possible from the principal south facade (allowing an array of un-shaded solar panels on the south side of the original roof), and carefully positioned relative to classical west and east facades. The project team’s early partnership with the City’s Preservation Board aided in the City writing to SHPO to support the proposed canopy and ramp design, ultimately allowing the team to move forward. The relationship also helped GSA get approval to install 12 of the geo-exchange wells in the City’s adjacent alleyways.

Originally designed under Treasury supervising architect Wetmore, the three-story multi-use building houses U.S. District Courts and various federal agencies. The project restores spatial experience and historic character of lobby and public corridors, avoids exposed infrastructure, and maintains high plaster ceilings through its circulation and at perimeter wall of the historic shell. Lobby design includes replacement of historic fixtures based on Wetmore’s design, restores historic floors, and repurposes the west portion as both tenant and visitor amenity. On upper floors, reconfiguration of (non-original) fire walls and doors between elevator/stair lobby and corridors creates an open layout and restores continuity in circulation present in the building’s early life. A new security station and exterior accessible ramp were added. Interior renovations include spaces occupied by governmental agencies and comprehensive infrastructure replacement.

LEED® Points Achieved 86 Total
Sustainable Sites                    21
Water Efficiency                     4
Energy & Atmosphere             33
Materials & Resources              7
Indoor Environmental Quality  13
Innovation & Design Process     5
Regional Priority Credits          3
 

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