Landscape Architect & Specifier News

MAR 2015

LASN is a photographically oriented, professional journal featuring topics of concern and state-of-the-art projects designed or influenced by registered Landscape Architects.

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62 Landscape Architect and Specifier News The hydroelectric facility includes a concrete dam intake structure, penstock and turbine-type generator with a gravel road traversing the site for crane access. The penstock is under a grand stair that serves as a river promenade. The penstock pressurizes the water to the turbine, which sits under a public plaza at the lowest elevation of the falls. During spring run-off this area draws visitors thrilled by the spray and tremendous volume of water tossing full size logs over the lower falls. Native Basalt, Plants and Sculptures Land Expressions' design program for Huntington Park was to reflect the ancient history as well as the recent industry of the area. Interpretive signage has been installed throughout the project. The local geology is represented using hundreds of tons of columnar basalt, cut and placed for benches in the park and to form an amphitheater in the Spokane Tribal Gathering Place. The remnants from the benches were used for retaining walls and water features. Native plants were planted exclusively in the park, which deer and marmots still call home. The 'Salmon Chief', and two other sculptures by Virgil "Smoker" Marchand celebrate the salmon resources harvested by Native Americans. Below huntington Park is on the south bank of the Spokane River, adjacent to the lower falls. Park visitors come to the edge of the river to witness the awesome power of the river as it drives the Monroe Street hydroelectric plant. brought into operation in 1890, this is the oldest hydroelectric operation in the state still in operation. it's considered a small hydroelectric plant. in 1992, five of the 1890 generators were replaced with a single state of the art turbine-generator unit, doubling the plant's megawattage capabilities. The Spokane Dam, i.e., the lower falls, was rebuilt in 1974. it is 24' tall, and 200' wide. PhoTo by DEAN DAviS. Middle Lighting, electrical upgrades, road improvements, and renovations to the historic Post Street Substation (brick building) were part of the project. The substation was designed by Kirkland Cutter and built by the Washington Water Power Co. (Avista) in 1910. The building housed the transformers and switches for the city's street lighting, power for the streetcars, rail lines and distributed electricity throughout the city. it remains an operating substation. The planting design for the plaza and terraces is by Kathryn Swehla. The plantings in the park are all native, but not those in the plaza (right of substation), which are populated by Rocky Mountain maples and Douglas firs. Above the custom stained Redi-Rock retaining walls, the ground is hydroseeded with a native grass seed mix: 'Sodar' streambank wheatgrass, 'Goldar' bluebunch wheatgrass, 'Critana' thickspire wheatgrass, 'Canby' Sandberg bluegrass, 'Winchester'idaho fescue, and prarie junegrass. The bright orange shrubs are Serviceberries (larger) and Spirea betulifolia 'Tor'. o verall the planting design for the park was to be natural but organized in appearance, Kathryn explains. "The park used to have Ponderosa pines and a lot of nonnative invasive species that we removed." PhoTo by JohN D. MooRE

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