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2020 RDAA | Residential Special Constraints | IVRV House | SCI-Arc

IVRV House nudges the affordable-housing needle forward by making it greener, safer, and smarter. A collaboration between SCI-Arc and Habitat for Humanity, one of its unique characteristics is the secure, 700-square-foot indoor-outdoor entry courtyard, where a striking sky window and folded roofline scoop in northern light. Another is the hardworking “ecoscreen” designed to guard against break-ins, shade the courtyard, capture energy, and clean the air.

“The livability of the house was important,” says SCI-Arc professor Darin Johnstone, AIA. “We wanted to provide something safe in a neighborhood where crime is a reality, but also carve out spaces that provide the indoor-outdoor lifestyle of Southern California.”

Mounted on the east and west façades, the experimental trellis system consists of black exterior metal panels meant to hold thin-film photovoltaics. The gray middle layer is prefabricated steel, and the inner white layer is made of vinyl strips coated with Ti02, a substance that scrubs pollutants from the air. “The students discovered Ti02 while researching how to make homes that are freeway-adjacent,” says Darin.

Habitat for Humanity chose not to install the thin-film photovoltaics, but there are conventional solar panels on the roof, and a greywater system. Sited on a narrow, 32-foot-wide lot, the three-bedroom house is also mindful of summer heat. Portions of the south elevation are tilted to thicken the wall for added insulation and to shade the windows.

“We were able to do quite a lot with a little because of the Habitat model of getting a lot of materials donated and students volunteering their time and labor,” Darin says. “The people who live there love and respect the house. I do think it’s made an exponential impact.”


RESIDENTIAL SPECIAL CONSTRAINTS  

Citation

SCI-ARC
IVRV HOUSE
WESTMONT, CALIFORNIA

Project Credits

ARCHITECT: Darin Johnstone, AIA, principal in charge, SCI-Arc, Los Angeles

BUILDER: Habitat for Humanity of Greater Los Angeles

STRUCTURAL ENGINEER: Nous Engineering, Los Angeles

PROJECT SIZE: 1,200 square feet

SITE SIZE: 4,387 square feet

CONSTRUCTION COST: $165 per square foot

PHOTOGRAPHY: Joshua White Photography


Key Products

CABINETRY: IKEA SEKTION

CLADDING: HardiePanel

COATINGS: MCH Nano Solutions Gens Nano TiO2 Photocatalyst Coating

ECO-SCREEN: MCH Nano Solutions

HVAC: LG LH367HV indoor heat pump

PAINTS: Valspar Medallion Zero VOC Low Odor interior latex

OTHER STRUCTURAL: Simpson Strong-Wall

STRUCTURAL/WEATHERIZATION/BUILDING PERFORMANCE: Simpson Strong-Wall

WATER HEATER: Takagi T-H3 190,000 BTU Tankless

WINDOWS: Milgard Style Line


Images


Plans and Drawings

S. Claire Conroy

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