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U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 77) Blast Furnace Area - General Arrangement - Elevation -Duquesne Works: Drawing #67401, May 13, 1978."; U.S. Steel, "Iron Desulfurization Facility - Blast Furnace Area - Calcium Carbide System - Piping Flow Diagram - Duquesne Works: Drawing #67430, May 15, 1978."; U.S. Steel, "Iron Desulfurization Facility -Blast Furnace Area - Pollution Control Schematic - Sequence of Operation - Duquesne Works: Drawing #67454, May 25, 1978."
U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 78) Historic Name: U.S.S. Corporation, Duquesne Works: Blast Furnace Plant, Combustion Air Production and Delivery System. Present Name: U.S.X. Corporation, National-Duquesne Works: Blast Furnace Plant; Combustion Air Production and Delivery System. Location: Upper Works Construction: 1896, 1931 Documentation: Photographs of blast furnace plant located in HAER No. PA-115-A. I. Cold Blast Air Facilities: DESCRIPTION A. Blowing Engine House Number One: Built by the Keystone Bridge Company and laid out on a east-west axis, the blowing engine house is 65'-0" wide x 174'-2" long x 65'-2 3/8" high to the underside of the truss. Constructed from a concrete foundation, the building's brick exterior encases its steel frame. An upper and lower row of bricked up 4"-5" wide x 15'-0" high segmented archway windows rim the walls of the building. The upper most part of the north and south walls of the building are fitted with lO'-O" high louvers set between the encased steel work. A craneway spans the width and runs the entire length of the building. It carries a crane with a 2 5-ton capacity. The clearance between the floor of the building and the top of the craneway's rail is 51'-6". The building's gable roof is supported by Fink trusswork that supports ventilation pipes. Five ventilation stacks, laid out linearly on a east-west axis, protrude up through the peak of the roof. Construction Date: 1895. Installation of Louvers: 1931. B. Blowing Engine House Number Two: The 65'-0" wide x 200'-0" long x 65 , -2 3/8" high blowing engine house, built by the Keystone Bridge Company, is laid out on an east-west axis. The northern, southern, and western walls of the building are made up of brick construction. The eastern wall of the building has a corrugated metal exterior as a result of a 25'-0" wide x 65'-0" long extension to its eastern side. The concrete foundation of the building supports a steel framework which is encased by the brick walls. Ten foot high louvers are fitted between the encased steel work at the top of the north and south walls. Also fit between the encased steel work of the building's brick walls is an upper and lower row of bricked up 4'-5" x 15*-0" high segmented archway windows. Spanning the width and running the entire length of the building is a craneway carrying a 25 ton
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B. Hoist House,: U.S. STEEL DUQUESN
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STEELMAKING PLANT - HEAT TREATMENT
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STEELMAKING PLANT - BASIC OXYGEN U.
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construction carbon and alloy steel
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