Quantcast ENGINEERING   OPERATIONAL SEQUENCING  SYSTEM

 
  
 
Figure  1-4.—Out-of-commission  label  (colored  red). Out-of-Commission   Labels Out-of-commission labels are RED labels (fig. 1-4) used to identify instruments that do not work properly  because  they  are  defective  or  isolated from  the  system.  This  indicates  the  instrument cannot  be  relied  on  and  must  be  repaired  and recalibrated,  or  be  reconnected  to  the  system before  use. Out-of-Calibration  Labels Out-of-calibration labels are ORANGE labels (fig.  1-5)  used  to  identify  instruments  that  are  out of  calibration  and  may  not  work  properly.  This label  indicates  the  instrument  may  be  used  for system  operation  only  with  extreme  caution. ENFORCEMENT The tag-out log is kept in a designated space, usually CCS. Supervisory watch standers review the  log  during  watch  relief.  Active  tag-outs  are spot checked periodically to ensure tag integrity is being maintained. An  audit  of  the  tag-out  log  is  conducted  by the  EDO  every  2  weeks  while  in  port,  prior  to getting under way, and weekly if in the yards or at a maintenance availability. Results of the audit are  reported  to  the  engineer  officer. Figure 1-5.—Out-of-calibration label (colored orange). To ensure that tag-out procedures are enforced properly,   the   engineer   officer   checks   the   log frequently, noting any errors and bringing them to  the  attention  of  the  proper  personnel. ENGINEERING   OPERATIONAL SEQUENCING  SYSTEM The Navy has developed a system known as EOSS. Essentially, the EOSS is to the operator as the PMS is to the maintainer. Main  propulsion  plants  in  Navy  ships  are becoming  more  technically  complex  with  each  new class  of  ship.  Increased  complexity  requires increased engineering skills for proper operation. Ships  that  lack  experienced  personnel  have material  casualties.  These  casualties  jeopardize operational  readiness.  Rapid  turnover  of  engineer- ing  personnel  further  compounds  the  problems of  developing  and  maintaining  a  high  level  of operator  and  operating  efficiency. The Navy has been increasingly aware of these problems.   An   evaluation   of   the   methods   and procedures used in operating engineering plants has been completed. The results of these studies show that sound operating techniques were not always  followed.  Some  unusual  circumstances found to be prevailing in engineering plants are as  follows: l l l The   information   needed   by   the   watch stander  was  scattered  throughout  publica- tions that were not readily available. The  bulk  of  the  publications  were  not systems  oriented.  Reporting  engineering personnel had to learn specific operating procedures   from  “old   hands”   presently assigned. Such practices could ultimately lead  to  misinformation  or  degradation  of the  transferred  information.  These  practices were  costly  and  resulted  in  nonstandard operating  procedures,  not  only  between adjoining spaces, but also between watch sections within the same space. Posted  operating  instructions  often  did  not apply  to  the  installed  equipment.  They were  conflicting  or  incorrect.  Procedures for aligning the various systems with other systems  were  not  provided. 1-12

 


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