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CASE STUDY : Clark-nelson house

Using a steel culvert system, the clark-nelson house is almost perfectly situated into a hillside, and yet has a huge square footage. This shining example of innovation in construction features two large, interconnected steel culverts. One culvert serves as the living room and family space, and the other serves as the private spaces.

Underground Home Details

Name: clark-nelson house
Location: River Falls,WI
Square Footage: 2500
Construction Materials: steel culverts with concrete floor slabs
Earth Cover: varies from 6" (peak? - source unclear)
Architect: Michael McGuire, 414 1/2 S. Main, St. Stillwater, MN
Heating and Cooling: oil and forced ventilation
Year Built 1972
Waterproofing: asphalt, bituthene, sheet plastic
Insulation: 2 in polyurethane spray, applied on interior. (note - no longer meets code)
Citation Source(s): "Earth sheltered housing design : guidelines, examples, and references" by The underground space center, university of minnesota. 1978
Home Status(s): unknown