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U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 81) steam inlet connection at its lower end and a 4" flanged discharge connection at its upper end. Each is attached to the surface condenser by a 4" flanged suction inlet. The centerline of the suction inlet is 2 •-7 5/8" below the flange of the discharge connection. Installation Date: 1968. 4. Turboblower Number One Condensate Removal Motor/Pump Assemblies: Two condensate removal motor/pump assemblies, laid out on an east-west axis, are located on the floor underneath the surface condenser. The centerline of the northern most assembly is located 3'-8" from the centerline of the surface condenser. The centerline of the southern most assembly is located 4'-4" from the centerline of the surface condenser. Each assembly consists of a 17 hp steam turbine, manufactured by the Terry Steam Turbine Company of Hartford, Connecticut, operating at 1450 rpm. The turbine is connected by a gear drive to an Ingersoll - Rand 24 0 gpm centrifugal pump. Installation Date: 1951. 5. Turboblower Number Two: Turboblower number two is located 41 , -5" west of turboblower number one and is laid out parallel to it. It sits on top of a 18'-9" wide x 40*-9" long x 25 ! -0" high steel framed platform extending from the south wall of the building. The manufacturer, capacity, and model of the turboblower are exactly the same as turboblower number one. See I-B-l for description. Installation Date: 1954. 6. Turboblower Number Two Lubrication System: See I-B-2 for description. Installation Date: 1954. 7. Turboblower Number Two Surface Condenser: See I-B-3 for description. Installation Date: 1954. 8. Turboblower Number Two Condensate Removal Motor/Pump Assemblies: See I-B-4 for description. Installation Date: 1954. 9. Remains of Turboblower Number Three: The remains of an Ingersoll - Rand 15,750 hp, 125,000 cfm centrifugal turboblower rated at 2710 rpm sits on top of a l8 , -9" wide x 41'-0" long x 25 , -o M high concrete and steel framed platform extending from the south wall of the building. The remains are located 34'-6" west of turboblower number two. They are laid out on a north-south axis and consist of the bottom halves of the turbine and blower casings.
Installation Date: 1955. U.S. STEEL DUQUESNE WORKS HAER No. PA-115 (Page 82) 10. Turboblower Number Three Lubrication System: The lubrication system for turboblower number three is located on the floor of the building underneath the remains of the turbine. It is manufactured by the Bowser Company of Fort Wayne, Indiana, and consists of two oil coolers, two strainers, an oil conditioner, and a 1/2 hp motor connected to a oil recirculation pump. Installation Date: 1955. 11. Turboblower Number Three Surface Condenser: A 20,000 square foot capacity Ingersoll - Rand surface condenser is bolted to the 72" diameter flanged steam connection located on the underside of the bottom casing for the turbine. The centerline of the condenser, which is laid out on a north-south axis, is located 11'-1" from the floor. The condenser consists of a cast iron shell which encloses a large number of 1/4" diameter tubes. A 24" flanged inlet and a 24" flanged outlet connection are located on the western side of the surface condenser near its northern end for the purpose of circulating service water through the tubes. Located on the underside of the surface condenser shell near its center are two 4" diameter flanged condensate removal connections. Installation Date: 1955. a. Air Ejectors: Two Ingersoll - Rand, Series M, Steam Jet Air Ejectors are attached to the eastern side of the surface condenser near its centerline. The 3*-3 9/16" long ejectors are laid out vertically. Each ejector has a 2" diameter screwed steam inlet connection at its lower end and a 4" diameter flanged discharge connection at its upper end. Each ejector is attached to the surface condenser by a 4" diameter flanged suction inlet. The centerline of the suction inlet is 2'-7 5/8" below the flange of the discharge connection. Installation Date: 1968. 12. Turboblower Number Three Condensate Removal Motor/Pump Assemblies: Located on the floor underneath the surface condenser are two condensate removal motor/pump assemblies. Laid out on a east-west axis, the assemblies straddle the centerline of the surface condenser and are spaced 6•-4 13/16" apart. The northern most assembly consists of a 25 hp Westinghouse Type CS Line start Induction Motor rated at 1755 rpra which is connected by a gear drive to an Ingersoll - Rand 370 gpm centrifugal pump. The southern most assembly consists of a 24 hp steam turbine, manufactured by the Terry Steam Turbine Company of Hartford, Connecticut, rated at 1750 rpm which is connected by a gear drive to an Ingersoll - Rand 370 gpm centrifugal pump. Installation Date: 1955.
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