| POWER CURVES in the three yards | ||||||||||||||||||
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What
About Now, when navy,
army, army air force and domestic transportation system demands
on rubber are increasing daily, it is more necessary than ever for
every person working in the shipyards to redouble his efforts to
conserve what rubber is available. |
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| and
after shift changes and before and after lunch. The time lost before
and after each of these periods is indicated on the dials of the little
clocks. These are average times, which take into consideration the
fact that some power is shut off before and some after the exact minute
that is indicated as an average. Power curves from Swan Island and Vancouver are almost identical with that of O.S.C., so close, in fact, that this series of charts could be taken as an average for all three yards. When one considers that nearly all work in the yards depends on, elec- |
trical
power, it is only fair to believe that the entire operation in all
three yards would follow this pattern very closely. It indicates,
for example, that an average of 169 minutes - 2 3/4 hours - is lost
in each of the three yards every day, which averages about 56 minutes
per shift. This means a lot in terms of man hours. If all these wasted man hours in all three yards were added together, there would be enough to build a Liberty ship every four days, enough to build an extra carrier every two weeks, enough to build an extra tanker every 11 days. |
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| Putting
the finger on whistle lumping is no longer guesswork . . . as three-yard power curves draw a picture of LOST TIME. |
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| IT all started as a matter of curiosity, but it wound up by showing with disturbing accuracy just what quitting early means in the three yards. Taking the tape from an automatic recorder that shows the exact amount of electric, power consumed at O.S.C. throughout the 24 hours of the day, engineers reproduced the exact curves and lines on the charts below. These show the change that takes place in the power loads before | ||||||||||||||||||
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| Workers
should be constantly on the watch around the yard and report any holes
in the pavement or rough edges of pavement to the maintenance department.
Tires should be checked every morning, and if they need inflating
or if cuts are found, they should be cared for immediately. Wheels
should be checked regularly for proper alignment, and tires should
be changed so that the wear will be even all around. Smooth tires
should be reported so that they can be recapped before it is too late
and before the carcass is damaged. Don't permit overloading or unbalanced
loading of trucks. These precautions apply as well to workers own cars. In addition, workers should drive slowly. Tread wear at 65 miles per hour is three times as much as it is at 35 miles. Work with the yard's Share-The-Ride department. Drive with a full car of workers. Nothing can more effectively tires and gasoline. While the number of riders per car has steadily increased, it is only by carrying a car full of passengers in the future that men and women can be sure of getting to work. |
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