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East Maui Irrigation System
Society: ASCE Main Category: Civil Sub Category: Era: 1870-1879 DateCreated: 1876-1923 East Maui State: HI Zip: Country: USA Website: Creator: Henry Perrine Baldwin

The East Maui Irrigation System is Hawaii's most dramatic water story. It began with the construction of the Old Hamakua Ditch built between 1876 and 1878. This privately financed, constructed and managed irrigation system was one of the largest in the United States. It eventually included 50 miles of tunnels; 24 miles of open ditches, inverted siphons and flumes; incorporates approximately 400 intakes and 8 reservoirs.

Image Credit: Courtesy Flickr/Will Scullin (CC BY 2.0) Image Caption: East Maui Irrigation Ditch Era_date_from: 1876
Red Hill Underground Fuel Storage Facility
Society: ASCE Main Category: Civil Sub Category: Buildings Era: 1940-1949 DateCreated: 1943 Icarus Way Aie State: HI Zip: 96701 Country: USA Website: Creator: U.S. Navy, Goodrich Tire Company

Conceived in the early years of World War II as a plan to bury four fuel containers horizontally in a hillside at the U.S. Navy facility at Pearl Harbor, Hawaii, the Red Hill Underground Fuel Storage Facility ultimately encompassed the design and construction of 20 vertical storage tanks - each large enough to contain a 20-story building - buried in the volcanic hillside and connected by tunnels to a harbor-side pumping station more than two-and-a-half miles away.

Image Credit: Courtesy Wikicommons/Leslie Nelson (CC BY-SA 4.0) Image Caption: Above-ground fuel storage tanks at Pearl Harbor prior to the construction of Red Hill. Era_date_from: 1943
Kamehameha V Post Office
Society: ASCE Main Category: Civil Sub Category: Buildings Era: 1870-1879 DateCreated: 1871 corner of Merchant and Bethel Streets Honolulu State: HI Zip: 96813 Country: USA Website: Creator: Osborn, J.G.

The Kamehameha V Post Office is the oldest surviving public building in the U.S.  constructed with reinforced concrete. The success of this early structure helped establish the value of reinforced concrete as a durable construction material.

Brickmaker J.G. Osborne was chosen to provide design and construction. He  immigrated to Hawaii from Yorkshire, England, and was aware of the recent  development of Portland cement and its expanding use in Europe. It is believed that the leaders of Hawaii were anxious to adopt British skills, which influenced their selection of Osborne.

Image Credit: Public Domain (Author's Choice) Image Caption: Kamehameha V Post Office Era_date_from: 1871
Society: ASME Main Category: Mechanical Sub Category: Food Processing Era: 1910-1919 DateCreated: 1911 Dole Packaged Foods Company Honolulu State: HI Zip: 96817 Country: USA Website: Creator: Ginaca, Henry Gabriel
Commercial pineapple production began in Hawaii about 1890. Fruit was hand-peeled and sliced to match can sizes for export. In 1911 James D. Dole hired Henry G. Ginaca to design a machine to automate the process. As fruit dropped through the Ginaca machine, a cylinder was cut to proper diameter, trimmed top and bottom, and cored. This machine more than tripled production, making pineapple Hawaii's second largest crop.
Image Credit: Public Domain (United States Patent) Image Caption: Ginaca Pineapple Processing Machine Era_date_from: 1911
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