pa1778data.pdf
pa1778data.pdf
pa1778data.pdf
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U.S. STEEL DUQUESNE WORKS<br />
HAER No. PA-115<br />
(Page 135)<br />
The conveyor belts, however, have been removed, leaving only the<br />
steel framework for the conveyors and the motor-drive assemblies<br />
which powered them. The motors on the north and south sides of<br />
the hoist bucket pit are both 3 hp General Electric A.C. motors<br />
operating at 1740 rpm. Each motor is attached to a 3 hp Western<br />
Gear Strait Line gear motor.<br />
Installation Date: 1959.<br />
7. Main Coke Breeze Conveyor: See I - A - 10 for<br />
description.<br />
Installation Date: 1959.<br />
8. Control Room: The control room for the raw materials<br />
delivery system at blast furnace number 2 is located relative to<br />
the hoist bucket pit as is the control room at blast furnace<br />
number 1. It is the same size and contains equipment which<br />
performs the same functions as the control room at blast furnace<br />
number 1.<br />
Installation Date: 1953.<br />
9. Counterweight Hoist Tower: The counterweight hoist tower<br />
is located on the east wall of the stockhouse just south of the<br />
hoist bucket pit. Rising to the level of hoist house number 2,<br />
it is made up of structural I-beam construction and is 5'-3 1/4"<br />
wide x 9'-l 1/2" long x 76'-6 3/4" high. The counterweight<br />
system consists of three pairs of 6*-l 1/4" diameter sheave<br />
wheels, one of which is located below the hoist house at a 45<br />
degree angle.<br />
Construction Date: 1924.<br />
B. Hoist House:<br />
1. Hoist House Building: Located approximately 15 ! -0" west<br />
of and on the centerline of the remains of blast furnace number<br />
2, the hoist house building is 25'-9" wide x 42'-4" long x 18'-0"<br />
high from the floor to the underside of the truss. It is mounted<br />
on a platform supported by steel columns which extend 49'-6"<br />
above the trestle. The columns of the steel framed building are<br />
welded to steel plates which are bolted to the concrete floor.<br />
At the north and south end of the building are Fink roof trusses<br />
which support a gable roof. Its exterior is made out of<br />
corrugated metal.<br />
Construction Date: 1924.<br />
III. Blast Furnace Number Three:<br />
A. Stockhouse:<br />
1. Stockhouse Building: See I - A - 1 for description.