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Track 2 Session 11
10:40 to 11:50 a.m. Friday June 16, 2006

Reliability and Safety of Aged Electrical and Dynamic Equipment

This report details the methods used to determine the usable service life of electrical systems and dynamic equipment. It categorizes the broad range of approaches used by government, academic, trade, safety, insurance, and private organizations to determine when electrical or dynamic equipment has reached the end of its usable service life and provides a recommended age determination approach factor to be implemented by NASA.

NASA’s once cutting edge scientific and space launch facilities are getting old.

  • The 2004 Current Replacement Value Weighted Age in NASA is 43 years.
  • 805 facilities were constructed prior to 1961
  • Some NASA equipment is over 85 years old

In addition, during the FY03 NASA Deferred Maintenance (DM) Assessment, of the 439 NASA facilities 43 years or older the electrical systems were only rated at 3.0 (fair). This rating of fair reflects that there is a large amount of older high-energy electrical and dynamic mechanical equipment across NASA that may not meet all current safety standards, or be as reliable as required to meet mission operations. For these reasons, there is a need to determine an equipment age that defines an acceptable level of risk, so that the agency may realize improved safety and mission assurance and avoid any incidents that may be caused by aged electrical or dynamic equipment.

Key Words: Reliability, Safety, Aged, Electrical, Dynamic Equipment, NASA

Brian Chopp
Plexus Scientific Corporation
Alexandria, Virginia

Plexus Scientific

 

 

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