Case Studies: Thoreau Center for Sustainability, Presidio National Park - Letterman Hospital
Location: San Francisco, USA

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Projected Cost
5.4 million

Location
San Francisco, CA

Owner
Tides has a 55-year lease.

TimeLine
1854 The Hospital Building was built.

In 1870, surgeon reported hospital was arranged for 50 beds with average occupancy of 17. But the old Letterman buildings gradually lost their usefulness after a high rise hospital was built nearby in 1969, and they gradually faded away.

Construction Type

"The new center uses natural fiber insulation; nontoxic paint; energy-efficient heating systems; and other devices, including parking spaces and recharging stations for electric cars, lights that turn themselves off when a room is not occupied, and tiles made from recycled car windshields. The lumber in the building comes from sustainably harvested wood from trees grown by Native Americans in a demonstration forest."

Additional Information
"Tenants are Tides Foundation and 21 other organizations.” Tides has a 55-year lease on the 73,000-square-foot site negotiated with the park service. Tides arranged for $3.1 million in financing from the First Republic Bank, and secured $2 million-plus more in private loans. There are no federal dollars in the project, and all the nonprofit groups pay market-rate rents.

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