Monday, September 21, 2009

Storage Barn

Until recently, the McGarry property outside Washington, Conn., was cluttered with stockpiles of materials and wooden pallets. Typical for the hub of a landscape maintenance business, yes, but not exactly the picture that state and local environmental staff had in mind for the site’s other classification as a sensitive watershed. Their instructions for protecting the nearby stream were direct: tidy up the site and reduce the footprint of the whole operation.

The task was right up the alley of New Haven, Conn.–based Gray Organschi Architecture, which designed a compact workshop/storage barn that reduced industrial sprawl on the old gravel quarry site and produced a green building that runs entirely on solar and geothermal energy. “It seems to be what we do a lot of in our work,” says principal Alan Organschi, whose firm was recognized this year as an Emerging Voice by the Architectural League of New York. “We get these rural brownfield sites—beat up, dug out, with demolished old buildings—and we go back and try to do a really minimal installation.”

Essentially, the building is a utilitarian storage rack wrapped around an 800-square-foot workshop and storage barn for riding mowers, power washers, compressors, and the like. Tightly packed and palletized stone and wood are stored on flexible external shelves that allow easy access to each pallet without having to disturb the others around it. Sheltering the entire structure is a lightweight, translucent, 72-by-28-foot roof canopy that provides an evenly daylit interior workspace and weather-protected storage for stockpiles of loose sand and loam.

Organschi and partner Elizabeth Gray based the plan of the building on a 4-foot-wide module that accommodates several key demands: the standard dimension of a pallet of stone and the wheelbase, turning radius, and reach of the articulated loader that moves and manages the material. The loader is parked inside the building when not in use, so overhead clearances were important as well.

Tubular steel columns form the basic structure, which is supported by diagonal bracing and a continuous steel frame located at the bay door. Cantilevered from the columns on the building’s exterior are a series of beefy shelf standards (akin to the lumber racking systems found in commercial lumberyards) holding galvanized steel grates that support the pallets of materials.

Seen from the outside, the barn is a rough and intriguing mosaic of wood and stone, which contrasts with the bright, smooth polycarbonate panel walls. A perforated-steel stair leads down to a basement-level storage/mechanical room.

The client was willing to pay more up front to include sustainable systems that will recoup the principal investment over time. The entire building is heated and cooled by a ground-source geothermal system consisting of three wells, each between 350 and 400 feet deep. The geothermal system is combined with a rooftop photovoltaic array that powers the heat pump system, work lights, and power tools.

The solar panels are translucent and integrated into skylights in the roof—admitting daylight into the workspace below. The building produces more electrical energy than it consumes, allowing the owner to sell surplus electricity back to the regional utility company. It is a progressive system for such an unassuming building, says Organschi, who notes that “everything else about this building is very basic.”

The materials may be basic, but the result is a stunning object that elevates landscaping materials to a decorative level. And the incredibly compact footprint allayed the concerns of local officials. They signed off on the project without objection.



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