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High Pressure 1 A 1918 Indiana, (manufacturer) formerly known as Chemical Company Ones Squad unit was converted in 1925 to this piece rebuilt by the Portland Fire Department mechanic's shop to a heavy stream device known as High Pressure One. Note the large monitors mounted on the top of the hose bed both front and rear. These monitors could deliver 1000 gallons per minute through each tip delivering a huge knock out punch to the fire. High Pressure units existed for decades but became obsolete with the introduction of two stage pumps high pressure pumps and deluge sets mounted on every pumper delivered to the Portland Fire Department. The last High Pressure units were used to battle the large dump fires at the Ocean Avenue refuse facility until that site was closed and capped over. During the late 1970's the final High Pressure unit was deactivated. |