ML13308A798

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Regulatory Conference Presentation EDG Timeline
ML13308A798
Person / Time
Site: Duane Arnold NextEra Energy icon.png
Issue date: 11/04/2013
From:
Duane Arnold
To:
Division of Nuclear Materials Safety II
References
EA-13-182
Download: ML13308A798 (1)


Text

10/10/2012 1E053A2 Head to shell gaskets installed. Denotes timeframe with exhaust dampers failed open Denotes timeframe with oil heater de-energized.

11/22/2012 STP 3.8.1-07 11/28/2012 LOOP/LOCA run STP 3.8.1-04 10/18/2012 3hrs 14min Slow start 3hrs 38min Maint. Run 3hrs 19min 11/17/2012 Maint. Run 12/25/2012 1/20/2013 2/16/2013 4hrs 16min STP 3.8.1-05 STP 3.8.1-04 STP 3.8.1-04 10/19/2012 Slow start 3hrs 23min Slow start 3hrs 26min Slow start 3hrs 13min STP 3.8.1-06 Fast Start Run 3hrs 34min EDG Operable 11/1/2012 12/1/2012 1/1/2013 2/1/2013 3/1/2013 10/10/2012 11/26/2012 3/6/2013 RFO23 complete 3/6/2013 Start conduit inspections 0812 hrs. 3/9/2013 EDG Inop but Available. EDG Maint. Run Lube Oil Sump Temp Monitored. 2148-2354 Ambient Temps:

24F Low/High 3/8/2013 3/8/2013 EDG Maint. Run Complete. EDG Maint. Run to 0401 investigate leak.

60dpm oil leak at 1E053A2 EDG tripped due to gross head to shell joint. oil leakage at 1208.

3/9/2013 3/8/2013 WO 40220934-02 3/10/2013 Conduit Inspections Complete. Approx. 1830. EDG available 0049.

3/8/2013 Complete.

EDG Available. 1E053A2 head/shell torque verified no less 3/10/2013 0249 STP 3.8.1-04 than 22 ft-lbs with 3/7/2013 Slow start EDG at standby Continue additional conduit inspections. 3/8/2013 conditions. 0452-0820. 3/10/2013 3/6/2013 0730 EDG Maint. Run EDG Operable Approx. 1230. EDG Inoperable. Started 0215. 1134.

Conduit 1K111/112 Inspections Complete 3/7/2013 3/8/2013 3/9/2013 3/10/2013 3/6/2013 3/10/2013