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Text
Wengert, Thomas From: Wengert, Thomas Sent: Tuesday, October 08, 2013 5:59 PM .
To: hletheridge@aep.com Cc: * 'mkscarpello@aep.com' (mkscarpello@aep.com)
Subject:
DC Cook Emergency LAR Draft RAI Revision 1 Attachments: D.C. Cook Draft RAI Rev 110-8-B.pdf
- Helen, As clarified during this afternoon's conference call, I have revised the typographical error in RAI 4. Please see attached Revision 1 of the RAI set for the subject LAR.
Call me if you have any questions .._
- Regards, Tom Wengert Project Manager NRRIDORLILPL3-1 (301) 415-4037 1
D.C. Cook Emergency License Amendment Request Request for Additional Information - Revision 1 Containment and Ventilation Systems Branch (SCVB)
- 1. Section 3.3 states that a modification is to be installed during the next refueling outage in Fall2014. When was this modification initiated? When was it initially scheduled for installation? Was it ever deferred from a previous outage?
- 2. Section 3.2 second paragraph states "Radiation and high re hazards precluded access that would allow visual observation or repair of A and Train B lower igniters in strings powered by Phase 3, except for Train A A35." Citing this exception for igniter A35, could it be energized a nt entry made to observe it for the "glow" and perhaps determine if it is the n phase 3 igniter which would verify that Regions 12, 13, 14, 15 & 1 ble igniter thus determining if Condition .B is actually met?
Tech Spec Branch The LAR states: "The proposed TS ,.n~nno Mode 1 until the affected ignitors can be preferable to the transient that wou
- 3. rcrTl<>nT of the affected
~r.ti,::~tir*n~~*rfrl safety hazards.
- 4. end cycle 25, explain why the in your response to RAI #3 to facilitate ing to power operation. ,
.::>UJ~f21Jlal'lce req'l:lliJ~mfJnr . Surveillance requirements~are ifli7!:1tif.1'n, or in to assure that the necessary quality of at facility operation will be within safety limits, and met."
- 5. cification changes would allow a relaxation of the ition A, Required Action A.2 Completion Time from once per 7-days to the SR Frequency of 184 days .
.l'J..,.,il..,U ignitor failure mechanism (operation at excessive voltage) and the method of (TS Surveillance testing), explain how the relaxation of testing of the Operable DIS Train provides assurance that the LCO is met.
- 6. Footnote 2 on proposed TS page 3.6.9-2 appears to be incomplete (Regions 15 and 16 are not addressed). Confirm.
