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U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 189) States Steel Corporation, "Duquesne Works—Merchant Mill Department: Heat Treat Induction Line," (Pittsburgh: 1971), 5.
STEELMAKING PLANT - BASIC OXYGEN U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 190) Historic Name: U.S.S. Corporation, Duquesne Works, Basic Oxygen Steelmaking System Present Name: U.S.X. Corporation, National-Duquesne Works, Basic Oxygen Steelmaking System Location: Upper Works Construction: 1964, 1979, 1982 Documentation: Photographs of the Basic Oxygen Steelitiaking Plant are in HAER No. PA-115-B. DESCRIPTION I- Flux Handling Building. Trestle, and Covered Conveyor: Located approximately 500*-0" south and 200*-0" east of the BOP shop is the one story, l4 , -6" wide x 240*-0" long flux handling building. Laid out on a north-south axis, the steel framed building with corrugated metal exterior was constructed by the American Bridge Company. Its gable roof is supported by structural I-beams. The interior of the building contains a 7 1/2-ton hoist which is attached to a car shaker. The building sits upon an elevated standard gauge single track trestle which extends 100'-0" past its south wall opening and 220 ! -0" in front of its north wall opening. Nineteen hoppers are hung from that portion of the trestle which is located under the roof of the building. Located below the hoppers is a 24" motor powered conveyor belt which travels in a northerly direction. The conveyor rises at a 30 degree angle after it passes the trestle and travels through a 8'-0" diameter conveyor tube to the south wall of the BOP shop where it turns at a 90 degree angle and travels in a easterly direction up the wall at a 15 degree angle before turning into the building. Once inside the building, the conveyor, traveling in a northerly direction, rises at a 15 degree angle to the furnace aisle's flux storage floor. Construction date: 19 63. II. Mould Preparation Building: Built on a concrete foundation by the American Bridge Company, the mould preparation building is located 30*-0" south of the south wall of the BOP shop at its near western teeming aisle. Laid out on a north-south axis, the 170 , -8" wide x 480*-0" long x 50'-5" high steel framed, corrugated metal clad structure originally made up the southern end of the furnace building and the mixer building for Open Hearth Number One. The southern end of the existing building (old mixer building) is 117'-3" wide x 58*-0" long. The eastern wall of the old mixer building is coextensive with the centerline
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FART THREE: 1946-1988 U.S. STEEL DU
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seeks to develop it into an industr
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• northern wall and 27'-0" from t
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Installation Date: 1955. U.S. STEEL
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cooling tower has a capacity of 190
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* * tunnel beneath the clarifier. I
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Historic Name Present Name: Locatio
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dumped. Construction Date: 1957. U.
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B. Hoist House,: U.S. STEEL DUQUESN
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