See responses below. I did receive both your emails. Kevin Elam may also have responded for Byron. I hope we agreed with our answers. -Ron Niederer Byron Reactor Engineering Exelon 815-406-3443 ronald.niederer@exeloncorp.com
-----Original Message----- From: respvr-bounces@retaqs.com [mailto:respvr-bounces@retaqs.com] Sent: Friday, December 09, 2005 9:19 AM To: respvr@keffective.com Subject: [Respvr] Common Standards
PWR RE supervisors
I have a major Integration effort coming up for Dominion in regard to reactivity management.
Some general questions on Common Standards that we all use. Please let me know what folks do for the following
Who performs the 1/M during approach to crit? Operators or REs? RE- Results of 1/M are shared with Op Mgmt before next rod pull Are the RE's an integral member of the team or in an oversite role (review ECCs and 1/M's)? Yes, REs are responsible for 1/M and are consulted with on an on-going basis during start-up. RE also have authority to stop start-up. Who performs the ECC (ECP), RE or the STA or the SRO? 3 signatures on ECC. first (preparer) is RE, second (review) is RE or NSO, third is SRO Who reviews the ECC, (ECP), RE or the STA or the SRO? See above How many people HAVE to review the ECC? 3, including the performer. Does Ops assign a reactivity management SRO to major reactivity changes (SU, maneuver up and down, 75% and back to 100%???? Yes, for major- SU, SD, non-routine (ramp to 30% and return). Routine TVGV- no RM SRO Are all Rx start ups IPTE's (Infrequently Performed Test or Evolutions)? Start-ups from refueling are. Mid-cycle start-ups don't have to be. They are HLAs, though How many plants have pre-developed reactivity plans (ReMA's) in the control room for rapid downpowers? Both Byron units How often are they updated? ~monthly. Can go a little longer when boron concentration is not changing rapidly. Are recurring work orders "flagged" electronically to alert the operators to evolutions that may impact reactivity management? All work is screened for RM impact 2-3 weeks before activity and coded as RM is appropriate. Also, need for ReMA would also be identified at that time. Does RE and Ops meet after RM evolutions for a post job critique? Not necessarily. Ops may or may not include RE in post-job critique. However, RE performs a critiques of most power maneuvers. If so, for all power maneuvers, only major ones (i.e. 0-100%)??? Most are considered.
Thanks in advance for your help in this regard. I will gladly share all info with you once I compile it.
regards
Hugh McKenney Dominion Resources Services, Inc. Reactor Engineering Supervisor Phone: 8-759-2359 or 860 447-1791 x2359 Email: Hugh_E_McKenney@Dom.com
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