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Sanjay Gangal
Sanjay Gangal
Sanjay Gangal is the President of IBSystems, the parent company of AECCafe.com, MCADCafe, EDACafe.Com, GISCafe.Com, and ShareCG.Com.

Sustainable Residence in Kansas City by Studio 804

 
February 11th, 2011 by Sanjay Gangal

Studio 804 designed this sustainable residence in Kansas.

Springfield House

Springfield House

  • Architect: Studio 804
  • Location: 3716 Springfield Street, Kansas City, Kansas, USA
  • Area: 1,700 sq ft covered area and a 400 sq ft deck
  • Details: 3 Bed Room s, 2 Baths

Springfield House West Facade with Turbine

Springfield House West Facade with Turbine

Project

The residence at 3716 Springfield in Kansas City, Kansas, is an environmentally conscious, modern home which performs completely off the grid in an area desperately in need of revitalization. Being the first LEED platinum home in the Kansas City Metropolitan area, the building serves as an example of sustainable practice and living for buyers who desire life in the city close to the urban core. Those willing to be the first to begin to stem the tide of decay in the area will find in this house a combination of passive strategies and active systems which visually call out the environmental standards to which the design aspires.

Springfield House Interior Loft

Springfield House Interior Loft

Site

A site with a broad south exposure was chosen to support the passive solar effort. Additionally, operable windows provided along the lower southern strip of glazing and rooftop skylights allow for stack ventilation throughout the interior. The entire site was planted with a drought-resistant fescue sod that is highly recommended in Kansas as a replacement for conventional turf. All hardscape surfaces surrounding the exterior of the house are porous materials such as pervious concrete, which permits the rainwater to seep into the water table.

Springfield House Living Room View from Kitchen

Springfield House Living Room View from Kitchen

Sunflower Army Ammunition Plant

The Sunflower Army Ammunition Plant, located between Lawrence and Kansas City, was established in 1941 as one of the world’s largest powder and propellant plants, later playing a historic role providing ammunition during World War II and the Korean and Vietnam conflicts. The ammunition plant, now an excess federal property, is being rehabilitated for public use through Sunflower Redevelopment. Of the original five thousand retired ammunition buildings, over one thousand are designated free of contaminants.

The rights were secured to harvest the 70-year-old Douglas Fir from Sunflower. The reclaimed boards were used for interior walls and structural support.

Springfield House South Facade Louvre Detail

Springfield House South Facade Louvre Detail

Sustainable Design

The residence’s ability to be off the grid eliminates the homeowner’s consistent dependency on natural resources such as coal and gas, decreasing the building’s overall impact on the environment. The house’s total energy needs are reduced by the use of renewable energy sources, including a wind turbine and photovoltaic solar panels, as a means of power. The use of low-flow valve fixtures, along with a rainwater reclamation system, allows the residence to rely less on public water resources. The combination of a radiant floor system and concrete thermal mass minimizes the daily temperature fluctuation. Also, the design’s use of a geothermal heat pump, Energy Recovery Ventilator (ERV), and highly efficient HVAC improves the effectiveness of all the sustainable systems.

Springfield House Stair Core

Springfield House Stair Core

Construction

Wood was the natural choice for building due to its economy, ease of assembly, and speed of erection. FSC-certified wood was used in the framing and sheathing of all walls, roof, and floor in order to ensure the product was properly harvested. Each framing member was precisely measured and cut to achieve a waste factor of only 4.37%. If short anywhere within the calculations, reclaimed lumber from Sunflower Army Ammunition Plant was to be used in its place.

Springfield House Stair Core Looking Up

Springfield House Stair Core Looking Up

Environmentally Preferred Materials

Regionally manufactured, reclaimed, and recycled content materials were used throughout the design. FSC lumber and the reclaimed lumber from Sunflower Army Ammunition Plant were used to frame the walls. Also, the Galvalume metal roofing panels are recyclable and contain a minimum of 25% recycled content. The Xcell blown cellulose insulation was manufactured locally from recycled paper fiber. The concrete mix included 30% fly ash, a byproduct of the coal industry.

Springfield House Stair Core at Night

Springfield House Stair Core at Night

Interior Applications

The majority of the wood used throughout the interior framing is recycled from the deconstruction of the former Sunflower ammunition facility and framed on two-foot centers to reduce material usage. FSC-certified Jatoba hardwood flooring is featured in the upstairs loft and bedroom spaces and continues to wrap the kitchen ceiling to achieve a visual link between spaces. All countertops and bathroom surrounds are manufactured from a recycled paper composite material that is highly durable, low maintenance, and stain resistant.

Exterior Applications

The vertical application of the FSC-certified tropical Cumaru wood rainscreen wraps the entire exterior of the residence. Precisely detailed, twenty-four photovoltaic panels are located on the southern roof plane flush with the Cumaru rainscreen. Rainwater is collected in the remaining 50% of the roof along the north side and stored in an underground cistern. The rainscreen uses the wood barrier to compartmentalize the air cavity, thereby allowing rapid air pressure equalization and minimal moisture intrusion.

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Categories: House, Sustainable Design

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