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FW: Central Plant Chilled Water System Construction

daemon@ATHENA.MIT.EDU (Kathy Reddick)
Fri Feb 28 14:06:46 1997

From: Kathy Reddick <kreddick@PLANT.MIT.EDU>
To: "'plant-notify@mit.edu'" <plant-notify@MIT.EDU>
Date: Fri, 28 Feb 1997 14:08:15 -0500



>----------
>From: 	Carl Hagge
>Sent: 	Friday, February 28, 1997 1:20 PM
>To: 	Kathy Reddick
>Cc: 	Roger Moore; Peter Cooper; Dan Crovo
>Subject: 	FW: Central Plant Chilled Water System Construction
>Importance: 	High
>
> 
>
>
>To: Administrative Officer E-mail List
>From: Carl Hagge, Physical Plant Department
>
>Please pass this notice to appropriate facilities personnel.
>
>
>Subject:  Central Utilities Plant Chilled Water System Construction
>
>This  Winter, a fifth chiller is being added to the CUP chiller plant, in
>order to permit us to carry increased cooling loads and to improve the
>reliability of the system.  In order to complete the piping connections, it
>will be necessary to modify normal operation of the Central Chilled  water
>system for a four day period of time, currently scheduled for the week of
>March 17.  The East Campus Plant, normally serving the area to the East of
>Ames Street, will be fully operational.
>
>The following describes the expected impact in different portions of the
>Campus.
>
>Main  campus area, bounded by Mass Avenue, the railroad tracks, Main Street,
>Ames Street, and Memorial Drive.
>
>During the 4 day period, this area of Campus will be served by the East
>Campus Plant through a newly installed interconnecting piping and  operation
>is expected to be near normal.  While this interconnection is not capable of
>carrying normal Summer loads,  there is more than adequate capacity for the
>Winter loads and even Spring loads.  The worst case situation would be an
>abnormally warm day, when we would expect to meet laboratory and critical
>cooling needs, but may not fully meet comfort cooling needs on such a day.
>During the previous week, we will be verifying this operating mode for
>limited periods of time while both plants are operational.
>
>
>West and Northwest  area, W16, W20, NW13,  NW14 
>
>
>During the 4 day period, this area will be served by unrefrigerated  chilled
>water, directly from a cooling tower.  If the weather remains cool and dry,
>operation will appear normal.   If there is an unseasonable stretch of humid
>weather in the 50's or 60's, there will be diminished cooling from the
>system.   
>
>Approval for this shutdown will be handled by the usual shutdown procedure,
>and this notice is intended as a preview to assist in planning.
>
>
>If there are any questions about expected operation, or if there are
>anticipated difficulties, please call Carl Hagge at 3-4755.
>
>

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