Re: Time Definitions

[jeff.king@srs.gov]

     This issue has come up around here recently (last several months) with 
     respect to Radiation Monitoring Equipment (RME).  The Facility's 
     Operations Safety Requirements (OSRs) generally give an extension of 
     25% for perforance of surveillances.  The generic TSR's I've seen for 
     Westinghouse Power Reactors give a 25% extension on almost all time 
     periods (except where explicitly stated otherwise).
     
     Our experience here was that the RME control procedures did not allow 
     for an extension, requiring completion of yearly calibrations by the 
     end of the month that they were calibrated in the previous year.  
     However, the same RME procedures also allowed for RME included in the 
     OSRs to take credit for the OSR surveillances and calibrations.  
     
     After some discussion, it was concluded that if RME was controlled by 
     the OSR program, then the OSR 25% extension was allowed; but, if the 
     equipment was not OSR controlled, the time provisions in the RME 
     procedure were the applicable ones.
     
     The point of the above is that it depends on how your procedures are 
     written.  AFAIK, there is no "standard definition" of time limits and 
     I've seen multiple variations on how "yearly" is defined, depending on 
     what and where run across it.  Our RME procedure defines "yearly" 
     based on months and our OSR's define "yearly" as 365 days with (in 
     some cases) and allowable extension of 25%.
     
     Jeff King
     Facility Representative
     In-Tank Precipitation Facility
     Savannah River Operations Office


______________________________ Reply Separator _________________________________
Subject: Time Definitions
Author:  mlemon@UKANS.EDU at Mailhub
Date:    7/10/98 9:39 AM


Radsafe,
    I doubt that this question catches attention like the nuclear music, but
I would value your help!
    I am looking for the definition of time intervals.  If a leak test needs
to be completed on a six month schedule, it seems that I have seen six 
months defined as so many months/days plus an interval.  I believe a similar 
definition exists for an annual evaluation or assessment.  I am wanting to 
include these definitions in our procedures manual, but I cannot locate the 
reference.  Or was I just hoping that these definitions exist?  Thanks! 
Michael
<<>><<>><<>>
Michael Lemon
Radiation Safety Officer
Environment Health and Safety
University of Kansas
102 Burt Hall
Lawrence, KS  66045-2905
   phone:  785-864-2851
   fax:       785-864-2852