The Arizona copper camp., 1920-07-31

pole, approx. full load speed, $50
RPM complete with rails and pulley,
SKI
Approx. gross weight each, 78O lbs
Total, 234O lbs.
Item 9-CentrifugaI Pumps
Frame, No. 446, type "CS" Mo
tors, H. P, phase, so cycles, 44O
volts, s. pole, approx full load speed
$50 RPM
Approx. gross W.T., e.ch, 42O lbs.
Total 1920 lbs.
Item 1o-Motor Generator Sets for
Mine HauIage
2 100 K. w, 900 RPM, 8 bearing,
NJ. G. sets, each consisting of 1 frame
No. 87S-A, type CS Motor, 22OO volts,
3 phase, 60 cycles, 8-pole, complete
with autostarter, and
1 Frame No. 1901, compound
wound type, "SK' generator, 100 K. w.
125 volts, no load, and IT'S volts for
full load, complete with switchboard
mounting, field rheostat, and equal
izer switch on generator frame.
Above described motor and genera
tor to have common shaft, and mount
ed on common bedplate.
Approx. gross w.t., each, 10000 lbs.
Total 10000 lbs.
Item 11-Motor Generator Set for
D. C. Mill Power
rs K. W.. 1900 RPM, M. G. sets,
consisting of / frame No. S62, type
"CS" motor, 22O0 volts, phase, so
| cycles, 6-pole, complete with auto
starter, and 1 Frame No. ITO, COM
pound wound. type "SK' generator,
rs K. W., ESQ volts, complete with
switchboard mounting field rheostat.
Above described motor and genera
tor to have common shaft and mount
ed on common bedplate.
Approx. gross w.t., $3.50 lbs.
Item 12-Control Panels for Items l.
2-3-4-5-6-7, (see Pages II and II inc.)
12. Control panels for above items,
each to be of suitable capacity for
motor it is to control. Detailed specifi-
cation sheets covering these panels
are attached hereto. Briefly each
panel is to consist of piece of black
marine finished slate mounted on
pipe frame, and carrying the follow
ing equipment:
l Type 'UU" graphic recording am
meter.
1 Type "F"-"L" 8 P. S. T. auto
matte oil switch
l Current transformer.
l Potential transformer.
1 Autostarter with no-voltage re-
lease.
(included with motor items above)
Approx. gross W.T., each, 700 lbs
Total 840O lbs. Does not include
autostarter, weight of which is in
cluded in motor items.)
item 13-control for Item 8, Hardinge
Mills; (See Pages II to II Inc.)
Control Panels for SO H. P, 22O0-
volt, type "CS" motors, to be com
pleted as per detailed specifications
attached hereto. Briefly, each panel
will consist of piece of black ma
rine finished slate mounted on pipe
frame, and carrying the following
equipment: -.
1 Type i'U" graphic recording am
meter.
/ 1 Type "F. L." P. S., T. automatic
overland with no-voltage release oil
circuit breaker.
1 Type "RF" controller to be
mounted in rear of and operated by
hand-wheel on front of panel
1 Current transformer.
set grid resistance for starting
duty.
Approx. gross weight, each, 1900
lbs. Total $500 lbs.
Item 14-control Switches for Items
and 9 30 n. P. and 5 n. P.
Motors.)
9 only type III" P. S. T. dust
proof, wall mounting oil circuit break
ers, with full automatic overload trip
and inverse time element S. No.
199-431. Range of adjustment Is to
80 ampheres. Approximate gross
weigh each, 100 lbs. Total, 900 lbs
Item t5-controI for Item 10 600 X.
w. M. G. Sets (see Pages
20 to 80 Inc.)
Panel, switchboard for control of
100 K w. M G. set complete as per
detailed specifications attached, to
consist Of;
l Motor control panel
2 Generator control panels.