pa1778data.pdf
pa1778data.pdf
pa1778data.pdf
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U.S. STEEL DUQUESNE WORKS<br />
HAER No. PA-115<br />
(Page 92)<br />
corner of the building. The feed pumps which were associated<br />
with the tank have been removed.<br />
Construction and Installation Date: 1979.<br />
L. Sulfuric Acid Feed station: Located at the southern end of<br />
the evaporative cooling tower, the sulfuric acid feed station<br />
consists of a Sharpsville manufactured 4,000 gallon capacity<br />
carbon steel sulfuric acid storage tank set inside of a lime<br />
filled pit, and two 10.3 gph metering pumps manufactured by the<br />
Milton Roy Company. The pumps are powered by two 1/2 hp integral<br />
motors rated at 1725 rpm.<br />
Installation Date: 1979.<br />
M. Blast Furnace Numbers Three and Four Chemical Additive<br />
Building and Associated Chemical Feed Equipment: Located just<br />
west of the gas cleaning equipment at blast furnace number three<br />
is an approximately lO'-O" wide x 3 0*-0" long x 10'-0" high<br />
cinder block building. A 5'-4" diameter x 12 , -0" long carbon<br />
steel chemical storage tank with a capacity of 2000 gallons,<br />
manufactured by the Betz Company, is located in the southeast<br />
corner of the building.<br />
Construction and Installation Date: 1979.<br />
N. Evaporative Control Building and Associated Electrical<br />
Equipment: The 14*-0" wide x 120'-0" long x 10'-0" high control<br />
building for the evaporative water treatment recycle system is<br />
attached to the western side of blow engine house number three.<br />
Set upon a concrete foundation, the cinder block building houses<br />
the main control panel for the evaporative water treatment<br />
recycle system at its northern end and electrical circuit<br />
breakers for the system at its southern end.<br />
Construction and Installation Date: 1979.<br />
O. Non-Evaporative Gas Washer Hotwell and Gas Washer Hotwell<br />
Pumps: The gas washer hotwell for the non-evaporative water<br />
treatment recycle system is located approximately 4 0*-0"<br />
northeast of the hot blast stoves for Dorothy Six. It is<br />
composed of an 184,000 gallon capacity underground concrete basin<br />
measuring 32'-6" wide x 40'-0" long x 19'-0" high. Water is<br />
allowed into or diverted away from the hotwell by separate sluice<br />
gates. Two 3000 gpm Wilson-Snyder vertical pumps are located<br />
above ground over the hotwell. Each pump is powered by a 400 hp<br />
U. S. Electrical Titan Line motor rated at 1180 rpm.<br />
Construction and Installation Date: 198 0.<br />
P. Non-Evaporative Gas Cooler Hotwell and Gas Cooler Hotwell<br />
Pumps: The gas cooler hotwell for the non-evaporative water<br />
treatment recycle system is located adjacent to the gas washer<br />
hotwell on its northern side. The 19'-6" wide x 40 , -0 M long x