Exterior, Prefab Building Type, Shed Building Type, Gable RoofLine, and Wood Siding Material The school building sits above the snow, on light piles instead of a permanent concrete foundation. This makes the building easily removable and, according to Girodo, “avoids risks and complications during on-site construction.” The environmental impact of the facility’s 10-day dry-assembly was minimal compared to traditional construction methods.  Modern Winter Retreats