pa1778data.pdf

Construction of building: 1906.
U.S. STEEL DUQUESNE WORKS
HAER No. PA-115
(Page 231)
E. Twenty-Two Inch Bar Mill Motor Room: The one-story 224'
long x 35 ! -5" wide 22" bar mill motor room is constructed of
brick. Laid out on an north-south axis, it is built as a lean-to
off of the eastern side of the 22" bar mill building in line with
the roughing and finishing stands of the bar mill. Constructed
on a concrete foundation by the Duquesne Works, the building's
steel framework is encased in its brick walls. One row of
rectangular windows is evident along the eastern wall of the
building. The building's corrugated metal slanted roof is
supported by small I-beams running in a north-south and east-west
direction. Two ventilation hoods protrude through the eastern
side of the roof near the middle of the building. A craneway
spanning the width of the building, and extending across its
entire length, supports a 25-ton E.O.T. crane.
Located near the southern wall of the building and laid out
on a east-west axis is the 1600 hp Westinghouse motor and Falk
gear drive for the 3-high roughing roll stand. The roll stand is
located in the 22" bar mill building on the other side of the
motor room's western wall. It is connected to the motor/gear
drive assembly by a line shaft. The motor/gear drive assembly
was served by a Bowser Lubrication system which is located just
south of it in the cellar of the building.
Located just north of the motor/gear drive for the 3-high
28" mill near the eastern wall of the building is a Type 4
Westinghouse Automatic Slip Regulator. Just north of the slip
regulator along the eastern and western wall of the building are
two (one each) electrical breaker boxes. The box along the
eastern wall is approximately 20' long x 5* wide x 10* high. The
box along the western wall is about 20' long x 2' wide x 8' high.
Both boxes contain breaker switches for the various types of
electrical equipment located in the building.
A 20' long x 10' wide x 15' high enclosed room is built off
of the inside eastern wall near the mid-point of the building
just north of the above mentioned breaker box. It contains two
large motor/fan assemblies which are used to exhaust air through
the ventilation hoods protruding through the roof of the
building. Opposite the motor fan room near the inside western
wall of the building is a motor-generator set which is laid out
on a north-south axis. It consists of a 1500 hp Westinghouse
Synchronous motor, flanked on either side by a Westinghouse D.C.
generator. The generator on the southern side of the motor has a
rating of 15 kw, while the generator on the northern side of the
motor has a rating of 1250 kw. Located just north of the above
mentioned motor-generator set, also near the inside western wall