pa1778data.pdf

U.S. STEEL DUQUESNE WORKS
HAER NO. PA-115
(Page 85)
centerline of the suction inlet is 6 5/8" below the discharge
connection.
Installation Date: 1962.
16. Turboblower Number Four Condensate Removal Motor/Pump
Assemblies: Two condensate removal motor/pump assemblies, laid
out on a east-west axis, are located on the building floor, east
of the surface condenser. The northern and southern units are
each located 3 f -0" from the centerline of the condenser. The
northern unit consists of a 25 hp Elliott Induction Motor rated
at 1185 rpm which is connected by a gear drive to an Ingersoll -
Rand 600 gpm centrifugal pump. The southern unit consists of a
25 hp Elliott Steam Turbine rated at 1150 rpm which is connected
by a gear drive to a 600 gpm Ingersoll - Rand centrifugal pump.
Installation Date: 1962.
C. Blowing Engine House Number Three: Built by the American
Bridge Company, blow engine house number three is 104 f -6" wide x
244'-7" long overall. The northern, eastern, and western walls
of the steel framed building are constructed of brick. The
southern wall is constructed of corrugated metal. The building
is divided up into two sections. At its north end is a 42 f -0"
wide x 104'-6" long x 60*-8" high (to the underside of the truss)
bay which is laid out on a east-west axis. The encased steel
framework of the bay supports Fink trusswork for its gable roof.
Three rows of 4'-0" wide x 13'-8" high segmented archway windows
rim the north, east and west walls of the bay.
Running perpendicular to the bay at the northern end of the
building is a 104'-6" wide x 202 f -7" long x 44'-0" high (to the
underside of the truss) bay which is laid out on a north-south
axis. The steel framework of the bay supports pratt trusswork
for its gable roof with monitor. An upper and lower row of 4'-0"
wide x 13'-8" high segmented archway windows are cut into the
building's east and west walls. A craneway spanning the width of
the bay runs its entire length and carries a 25-ton crane. The
clearance between the floor of the building and the top of the
craneway f s rail is 30*-0". Located along the western wall in the
southwest corner of the bay is a 20 , -0 H wide x 80'-0" long x 10'-
0" high cinder block structure which was used for office space.
Located along the southern wall of the building is a 20'-0" wide
x 80*- 0" long x 10'-0" high cinder block structure which was
used as a locker room.
Construction Date of North Bay: 1897.
Construction Date of South Bay Extension: 19 08.
II- Gas Cleaning Facilities:
A. Uptakes and Downcomers for Blast Furnace's Number One,