The Seattle post-intelligencer. [volume] (Seattle, Wash. Terr. [Wash.]) 1888-1914, 1895-05-02
PUMPS FOR THE DOCK.
Giant Machines 10 Throw Out
Tons of Water.
THEY WERE BUILT IN SEATTLE.
The Grca. Centrifugal Pumps and En-
sino shipped TO Port Orchard
Dock to lie Erected.

Moran Bros. Of this city. have com
pleted and taken over to Port Orchard
- put IN place the three tZ-tnch cenTfn-
ga. pumps anG upright engines 10 ~ used
ia the government dry dock. noE nearing
completion. TIE pumps are The largest
and most intricate castings ever turned
out on the Coast. and reflect great CT edit
OF the firm and Seattle alike. Work was
begun on the pumps and engines atodi
August /, and considering the delay
caused b. the recent fire IN the foEAaFy
the mig contract Ias been nuis.iea very
quickly. To give a general idea OF the
immense amount OF iron used n the CON
struction Of these pumps. il may oe ven
10 state that each pump weiSas N the
neighborhood OF forty tons
The pumps and engines Sere taken
over TO the dry dock on Tuesday atfer-
noon. loaded On two scows' ana from
Robert Moran 1t Is learned that they VIII
be IN position and ready for work ID ABOUT
three weeks The work Of placing these
ponderous machines on the seoWs was
q very tIckIish undertaking. on account
OF the weight and bulkiness. |hey were
taken from the foundry 10 the scoWs by
means OF rollers ard large donkey en-
CINE and placed aboard at high tide, thus
lessenlng the incline from the Nhai 10
the scows. Arriving al the lock tle
zcowg were towed on the beach. and skids
ptn1n house and derrick constructed 70
lower them In place. The boilers are al
ready on hand. having been finished ana
delivered last fan.
The drainage pump and engine, used
for pumping out the seepage ana Drain
age is still under construction at the
foundry and viii be ready for transpor-
.a,tan RI the dock about the first Of June.
This pump is very much smaller than
he main pumps There also remain 10
ba constructed a number OF discnarse
mines and fittings. which VIII De nhlshed
ny June l. -
Each Of the main pumps Is forty-two
inches In diameter, and the three wiz
have a pumping capacity OF uV.oD gaioHS
per minute and will thus be aoie 70 pump
out the dock which when fuH Will hoiu
"a tslo aao gallons. In about two hours.
zach purnp is arranged so that 1t VIII
run infependent of the others. ana each
win he driven by the 24-inch stroke Nerh-
cal engine. Each pump is fourteen ie@l
high The he'd plate on when rest the
pump and engine, a massive piece OF iro"'
f. ltxls feet. and weighs about eight tons
The water enters at the center OF each
purnp. is revolved by a runner on me IN
side flies off by centrifugal force ana OUT
of the drainage pipe. The action OF the
water in being forced from the pump by
'centrifugal force creates vacuum
which. the water rusheS IN 10 M anu ~
on till the dock is pumped OUT.
The discharge pipes, which are being
built. viii be forty-eight inches at the
discharge and forty-two inches al the
pump. made so as to lessen the friction
the pipe increasing in diameter with the
flow
The boilers which are already az the
dock. six In number are cyindricaI noTl-
zontal steei return tubular boilers. Each
Is six feet IN diameter and sixteen feet
long and contains eighty'four-ineh tubes
sixteen feet long These boilers are CON
structed i'm the most approved manner Tor
the type and have working pressure of
l0a pounds 10 the square inch.
The pumps have been Inspected ny the
soycrnment inspector at the dock and
have been pronounced irst-class in every
respeCt