[49676] in Hotline Meeting
Emergency Power System - 1/13 PM - 1/14 AM - Shutdown Request
daemon@ATHENA.MIT.EDU (Andrea Nichols)
Fri Jan 7 15:39:43 2000
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From: Andrea Nichols <andrea@PLANT.MIT.EDU>
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Cc: "'shutdown@plant.mit.edu'" <shutdown@plant.mit.edu>,
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<wpwohlfa@MIT.EDU>
Date: Fri, 7 Jan 2000 15:37:21 -0500
Mime-Version: 1.0
Content-Type: text/plain
Utilities need to complete the few remaining tests of the upgraded CUP
emergency power system, which was not accomplished on December 22..
>Testing of the Central Utilities Plant Emergency Power System will
be as follows:
>
>Thursday January 13th 9pm to Friday January 14th 3am
>
>Interruptions to emergency power (exit signs and emergency
lighting) will
>occur for minimum durations of 10 seconds to maximum durations of
30 minutes
Most durations will be under 5 minutes... but
should
>some tests initiate system failures, outage duration's could be 30
minutes
>before emergency power is restored
>
>Buildings Affected:
>
1,2,3,4,5,6,6A,7,7A,8,9,10,11,12,13,14,15,18,24*,26,31,33,34,35,36*,37,38,3
9
>*,50,54,62,64,E17, E18,E19,N9**, N10**.
>
>Notes:
>
>* Buildings 24, 36, 39 have transfer switches that will be placed
in
>"manual-normal power " by Facilities personnel to avoid multiple
transfers
>and interruptions.
>
>** Building N9 and N10 will have normal power affected by this
testing. All
>power in N9 and N10 is presently on the emergency power loop.
>
>The following two motors will be shutdown for the duration of the
testing.
>
> Building 31 - 1500 HP Gas Turbine Lab Compressor (Breaker
24A5).
> Building 17 - 2000 HP Wind Tunnel Motor (Breaker 24B5).
>
>Any questions or comments can be directed to;
>
>William P. Wohlfarth, P.E. - NSPE
>Senior Electrical Engineer
>wpwohlfa@mit.edu <mailto:wpwohlfa@mit.edu <mailto:wpwohlfa@mit.edu
<mailto:wpwohlfa@mit.edu> >
>3-1741
