ML052030086
| ML052030086 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 05/23/2004 |
| From: | Nuclear Management Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2004-0282 | |
| Download: ML052030086 (2) | |
Text
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NMC Commhied to Nucear Ew Iffer" , /' -, fl F
Point Beach Refueling ~50
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May 23, 2004 I
CONTACT INFORMATION Control Room Emergency - x2911 EMT Pager 6442 Work Control Center - x6703 OCC - x 7190 - Option I Lessons Learned - x7190 - Option 2 Plant Status - x7190 - Option 3 Accomplishments
- Clean Conoseal Ports
- Started Up Condensate System
- Framatone Underhead Inspection Equipment Removed
- Head Inspection Scaffold Removed
- Reactor Head Penetration #26 Relief Request Issues
- Drain RCS to 70% Reactor Vessel Level
- Replace RV Head O-Rings and Inspect Seal Personnel Last 24 Hours Outage to
- Lift &Set Reactor Vessel Head Safety Date
'I- l -0 Recordable -1'
- Upper Cavity Decon I Disabling - 0 Disabling - 0
- Nozzle Dam Removal
- Primary Manway Installation
- OSHA Recordable - Back strain.
t ,t Last 24 Hours Outage to Date ALARA',I " 2.858 73.049 R Dose as of the end of Day 48 JBU01iEY TD V--/611 iEXCELLERCE P0111T BERCH
- U11128
- t May 23, 2004 OUTAGE GOALS NUCLEAR SAFETY GOAL ACTUAL HUMAN PERFORMANCE GOAL ACTUAL PERFORMANCE ____
Unplanned orangelred paths None None Security Violations :s 12 loggable events 3 Reactor trips (either unit) None None Station human performance dock None 4 resets _ _ _ _ _ _ _ _ _ _
Safeguards actuation (either unit) None None Rework : 1% . On Goal Loss of shutdown cooling None None SCHEDULE PERFORMANCE_
Outage Duration Loss of Rx vessel level control None None (excludes extensions due to s 30 days Off Goal extended head or BMI inspections)
INDUSTRIAL SAFETY Mod Implementation 100% of Rev 0 On Goal PERFORMANCE
> 85% schedule Lost time accidents None None Schedule Compliance compliance with Off Goal outage milestone Personnel Injuries (OSHA recordable) None 1 Emergent work (during s2% late additions On Goal kmplementation) s 5%Emergent _oal RADIOLOGICAL PERFORMANCE Scope Complete a 95% of On Goal Rev 0 scope Radiation exposure (Excludes additional 100% of Scheduled dose from any head or sMI repair s 92 R 73.049 R Operator Burdens Operator Burdens On Goal contingencies) complete Personnel contaminations >5K CPM 10 Post Outage availability 2 150 days continuous of operation Available at a later date Radiological events (defined as unplanned uptake w/assigned dose >10 mrem or s1 event I BUDGET PERFORMANCE W outage thin
-2%budget to 0%of Seriously Challenged dose event based on ED alarms Radmaterial event (defined as any rad t 0 material outside RCA ; 100 CPM) _ event Human Performance Operating Experience Briefings in Review OEI 1214 - 22 Steam Generator Cold Leg Bowl Drain Plug Installed in the Wrong Drain Hole
- Guidance isfound in NP 1.6.10
- Briefings are required for all jobs and evolutions Unit 2 was shutdown for refueling with the Reactor Coolant
- The level of discussion and documentation is System (RCS) in a reduced inventory condition. The RCS level was being maintained below the top of the hot leg for dependent on removal of the Steam Generator (SG) primary manways o Risk of the job and installation of nozzle dams. At the completion of SG o Error-likely situations involved with the job nozzle dam installation RCS fill was started in accordance o Past-performance experience with 2D2, "RCS Reduced Inventory Operation," to return o Consequences of improper performance RCS level to 1foot below the Reactor Vessel Flange to bring the RCS out of the reduced inventory condition. While filling the RCS, water started coming out of 22 SG cold leg manway. The control room was immediately contacted Safety Snippet when discovered. The control room operators stopped Is there an obstruction in your way that might not filling the RCS and opened the RCS drain valves per 2D2 to stay? lower the RCS level. The RCS level was lowered until water stopped coming out of the SG manway. Containment OE1 3857 May 2002, Fort Calhoun -While moving the workers also started a Randolph pump to pump water out of reactor vessel head assembly during a refueling outage, the SG channel head to minimize the water spilling out of the control pendant for the polar crane caught a handrail the manway while the RCS level was being lowered.
vertical support pipe, lifting the pipe out of its mount and Lessons Learned: Causes were determined to be causing it to fall 20 ft to the walkway below. Individuals inadequate procedures and Insufficient hands-on were in the area at the time, but not injured. A review training. Stop When Unsurel indicated the pendant caught on nearby equipment many times during past refueling outages and corrective actions were not put in place. Are there any items were our equipment gets caught during moves that we have not resolved?