pa1778data.pdf
pa1778data.pdf
pa1778data.pdf
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U.S. STEEL DUQUESNE WORKS<br />
HAER No. PA-115<br />
(Page 143)<br />
balcony located along the eastern wall of the hoist house. Each<br />
assembly consists of a 2 hp Reliance Type T.D.C. motor which is<br />
connected, in series, to a gear drive and 12" diameter winch drum<br />
wrapped with 210 linear feet of 3/8" diameter wire rope.<br />
Installation Date: 1960.<br />
7. Balcony Motor-Generator Sets: Located at the north end<br />
of the balcony are two small motor-generator sets laid out on a<br />
north-south axis. The southern most set contains a 40 hp, 1765<br />
rpm, Reliance Duty Master A.C. motor, flanked by a 6.5 kw<br />
Reliance D.C. generator on its southern side and a 21 kw Reliance<br />
D.C. generator on its northern side. The northern most set<br />
contains a 40 hp, 1765 rpm Reliance Precision Built A.C. motor<br />
flanked on its northern side by a 6.5 kw Reliance D.C. generator.<br />
Installation Date: 1971.<br />
8. Large and Small Bell Hydraulic Cylinders: Laid out on a<br />
north-south axis and located in the center of the 1953 hoist<br />
house extension at the southern end of the building are the<br />
Koppers Company manufactured large and small bell hydraulic<br />
cylinders. The size, arrangement and function of the cylinders<br />
match the description in section III - B - 6.<br />
Installation Date: 1953.<br />
9. Air Receiver and Associated Piping: Located in the<br />
southeast corner of the 1953 extension of the hoist house<br />
building is an approximately 4'-0" diameter x 9'- 8" high air<br />
receiver manufactured by the Quaker City Iron Works of<br />
Philadelphia, Pennsylvania in 1953. The air receiver, which<br />
stores compressed air, has a system of small compressed air pipes<br />
connecting it to the large and small bell hydraulic cylinders.<br />
Installation Date: 1953.<br />
10. Counterweight Hoist Tower: The counterweight hoist<br />
tower is located at the center of the 1953 hoist house extension<br />
near its eastern wall. See item number IV - A - 11 for<br />
description.<br />
C. Furnace Top:<br />
1. Large Bell Hopper: See I - C - 1 for description.<br />
Installation Date: 1968.<br />
2. Large Bell: See III - C - 2 for description.<br />
Construction Date: 1953.<br />
3. Small Bell Hopper: See III - C - 3 for description.<br />
Installation Date: 1953.