ML102460618
Text
NSP000026 Team Notes Prairie Island July 15, 2010 n = Face to Face (D-15) Safety Snippet of the Day n o = Self read Unused hazardous materials, such as solvents, pesticides and motor oil, should not go into the ground, the garbage collection or the p = Nice to know sewer system. For safety reasons, they shouldn't sit around too long awaiting disposal.
Todays Focus Area: Top Ten List item nearly complete n
Equipment reliability improved through upgraded radiation monitors Site Event Free Days:
The Engineering Change (EC 7776) documents to the design database.
64 package for the two atmospheric ra- Completed more than a dozen calcula-diation monitors (R11 and R12) in tions.
Inside this issue: Containment has been approved and The R11/12 skids contain two radiation installation is underway this week for monitors. R11 is a radiation monitor that n Unit One and planned for early Au- detects particulate. It uses special paper gust for Unit Two. The installation to collect any particles and a detector Safety Snippet of the Day.....1 will enhance equipment reliability at (R11) to detect the level of radioactivity.
Todays Focus Area ...............1 Prairie Island. The primary scope of Its paper drive has been unreliable and ACEMAN review ..................2 this modification is to replace the ex- generates a Paper not in motion alarm isting radiation monitor skids, Con- frequently causing Limiting Condition of Plant Status .............................2 trol Room switches, indication, and Operation (LCO) entries and operator CAP process improved.........3 analog readout meters with new distractions. R12 is a radiation monitor equipment including digital display that samples the gases (air) to detect the HU stoplight...........................3 units and its associated software. The level of radioactivity. These monitors Nothing is routine..................3 major tasks associated with this pro- notify the Control Room of radioactivity ject include the following:
o x Replace the existing Unit One and from the area sampled inside Contain-ment. This is part of the required reactor All Hands Meeting.................2 Unit Two monitoring skids. coolant leakage detection system. Both Industry OE............................4 x Remove old Control Room chan- the R11 and R12 monitors are obsolete nel drawers and install new bin as- which makes obtaining spare parts diffi-Signage reminder....................4 semblies including digital rate-meters cult and doing repairs even more diffi-Coworker Coaching...............4 in the existing radiation monitoring cult. The original equipment manufac-Laptop locks ...........................4 rack locations. turer no longer supports the equipment.
x Modify the Simulator radiation These monitors are in operation 24 E-mail Team Notes Prairie monitoring racks to reflect new con- hours each day, 365 days a year to help Island articles to figuration. ensure the health and safety of the pub-DL-PI-Communications by x Add approximately 100 items to lic. The new installation will greatly in-10:00 a.m. the day before the equipment database. crease the reliability and availability of publication.
x Add more than 140 engineering (Continued on page 2)
Page 2 Team Notes July 15, 2010 R11/R12 (Continued from page 1)
Picture of Xcellence the R11/12 skids. The equipment uses currently available technology and Plant ACEMAN Today n components. Many unplanned LCOs will be prevented with this modifi-cation. Some key milestones for the project are listed below.
A Accident Free Activity Status Design submitted for Final Design Review Board: Completed C Control Dose Final Design Review Board Completed Event Free Plant Operation Review Committee Completed Reason: The metal nozzle of a EC Approved Completed heat-shrink gun contacted an Unit One skid installation July 11-19 exposed electrical connection Unit One skid installation August 2-9 causing a short circuit and auto-E matic transfer of 12 Inverter The following groups will be working around the clock to support the power supply. project through its completion: Instruments & Controls, Quality Control, CAP#: 1241213 Radiation Protection, Operations, Project Management, Project Engineer-Enablers Missed: Plan- ing, Warehousing, and Chemistry. Day & Zimmerman electricians and ning/Preparation, Supervisor Oversight, Worker Practices.
pipe fitters will also support the project.
Meet Commitments Site leadership updates employees o Reason: Could not perform the boron sample Containment entry More than 600 employees and contrac-as 1R11 prevents environmental tors met July 13 for Prairie Islands sec-M sampling prior to the entry. ond All Hands Meeting this year.
CAP#: 1241263 Enablers Missed: Job Plan-Site Vice President Mark Schimmel ning/Preparation. and Site Operations Director Brad Sa-watzke updated attendees on Prairie A Attend Training Islands performance, its current chal-lenges, and its focus areas for 2010.
No Rework They also used this opportunity to Reason: During fabrication of thank employees for their contribu-Radiation Monitor support, one tions to a successful refueling outage. Your hard work and support dur-hole was drilled in the wrong location. This required the sup-ing the 2R26 refueling outage demonstrates the teamwork and commit-port to be repaired. ment necessary to continue making station improvements. said CAP#: 1241228 Schimmel.
Enablers Missed: Worker Prac-tices, Verification/Validation, Highlights of the meeting included:
N Supervisor Oversight. x 2R26 Outage updates on safety, Human Performance, accomplish-Reason: Grouting activites did ments and lessons learned.
not meet the temperature re- x NRC and INPO interface with findings, inspections, regulatory con-quirements of Procedure D75. ferences, license renewal.
CAP#: 1241226 x Discussion on the three-phase approach to site improvements.
Enablers Missed: Proce-dures/Work Instructions, Worker x Updates on the 2010 site focus areas of Human Performance, Equip-Practices, Supoervisor Over- ment Reliability, and the Corrective Action Program.
sight. x Nuclear Safety Culture Assessment results.
x Using the Picture of Xcellence to guide actions.
Schimmel stressed the importance of the site gathering regularly for All Plant Status n Hands Meetings to allow the organization to work effectively. The next Go to the Prairie Island Plant Status All Hands Meeting is scheduled to be held in September. A link to the All sheet for plant status. Hands meeting presentation is on the PI Net home page.
Page 3 Team Notes July 15, 2010 CAP process improved n STOPLIGHT on Human Performance n Edward Malarkey, Nuclear Passport The site stoplight was changed to yellow yester-Software Product Manager day. The following information is preliminary and For many people working at Xcel may not be complete; it is intended for the pur-Energy nuclear sites, writing a CAP pose of disseminating as much information in as can seem a daunting challenge. Much short amount of time as possible in order to pre-time and frustration could be saved vent similar incidents from occurring.
if, instead of stepping through Incident: During the installation of 1R11 Radia-several PassPort screens to write and tion Monitor 12, the instrument inverter trans-submit a CAP, one could simply click ferred to the alternate source causing entry to an unplanned Technical on a web link from any computer Specification Action Statement.
station, zip through a few questions and automatically generate and Date: July 13, 2010 submit a CAP for approval. CAP#: 1241213 Furthermore, if the condition
Description:
While installing wire labels for the new radiation monitor identified was due to an equipment 1R11, the metal nozzle of a heat-shrink gun contacted an exposed electri-or system failure and the related and cal connection. This caused a short circuit and automatic transfer of 12 cross-referenced work request could Inverter power supply. The unplanned transfer of 12 Inverter to the alter-also be auto-generated at the same nate source resulted in a Technical Specification Action Statement being time, it would enhance efficiencies entered.
even more. The answer lies in the Single Point of Entry (SPOE) What went wrong? A Pre-job brief was conducted prior to commencing Wizard which is currently in a pilot work. The Pre-job Brief was inadequate in that electrical insulating barri-phase at Monticello and Prairie ers were not identified as required to prevent inadvertent contact with Island. This is the first effort to known exposed and energized components in the cabinet. Additionally, a create a simplified process using the breakdown in worker practices occurred because the workers did not stop new tools available in PassPort when the heat gun was observed to be in close proximity to unprotected Foundation Architecture. The SPOE energized terminals.
Wizard allows the user to create a What went right? Workers immediately stopped work, placed equipment CAP by answering a few simple in a safe condition, and contacted operations when the heat gun contacted questions and has the ability to create the terminal. All subsequent actions were performed in accordance with an associated Work Request linked to procedures.
a piece of equipment. Both can be routed automatically to the Takeaway Message: Pre-job Briefs and job site hazard analysis should include the identification and use of robust barriers to prevent or mitigate appropriate individual or group. The entire process is outlined in the Nothing is routine n Foundation Architecture User Guides. Fleetwide deployment is When a task appears to be routine scheduled for July 21. The SPOE - STOP! Take time to consider Wizard does not replace the current what could go wrong. Even practice of writing CAPs and WRs. though it may seem routine, it This is an alternate means to input does NOT mean there are no the same information. Whether risks involved.
logging onto PassPort or using the The Practicing Perfection Institute Foundation Architecture link, the defines a questioning attitude as:
information goes to the same place. An engaged state of mind that For additional information, please challenges given conditions to identify discrepancies in the status quo that contact Lori Engesser or David might result in error or inappropriate action. Visit When Mistakes are Garcia. not an Option for additional information.
Page 4 Team Notes July 15, 2010 Industry OE o The Right Picture o
Subject:
OE30952 unexpected induced Pictured below is an example of a sign that was placed over a confined voltage encountered space entry sign. Confined space signs are clearly marked as danger as Plant: Millstone seen in the second photo. Danger signs should NEVER be covered with another sign or any other object. If the space available is unable to accom-Event Date: 02/03/2010 modate additional signage, contact the Safety Department consultants for
==
Description:==
120vac was introduced assistance.
into a newly constructed DC circuit without other affected department per-sonnel being aware. The Conduct of Maintenance Job Briefing procedure states job briefings are mandatory and "are provided as an aid for all types of maintenance work, and with any number of workers or departments involved in the work." All affected personnel were not involved in the pre-job brief. Fur-ther investigation indicated there was The WRONG picture for signage. The RIGHT picture for signage.
120vac on the affected leads. The new wiring was traced back into the up- Coworker Coaching o stream control panel for the new "C" Last weeks Human Performance Tool of transformer. From there the 120vac was traced from the control cabinet and into the week was Coworker Coaching. Below the T-medic cabinet. The "C" T-medic are some examples from recent I Care cabinet was opened and there a two-wire cards of how this tool was used to coach jumper from the AC supply breaker to one another to prevent injuries and events.
the DC supply breaker was found. The x Coached operators on the locations of hot feed-water piping.
T-medics cabinets on all three new x Coached person to use handrail on steps and not to skip steps.
transformers had jumpers installed from x Reminded a person to use gloves while adjusting a file cabinet.
the AC supply breaker to the DC supply x Coached a person working outside to use sun screen.
breaker. Each jumper has a manila tag indicating it was installed back in the fall x Coached a person to remove trip hazard that had been place in the of 2009 by test personnel. walkway.
x Coached a person who had not completed all the fields on a work re-Cause: The failure to involve all person-nel in the pre-job brief. There should quest.
not have been any live voltages intro- x Coached a person to place glove in the SAM before clearing Access duced into any new circuit without the Control.
clear communication from the testing Everyone should take a minute or two to fill out an I Care card after department to the construction crew coaching or being coached by someone. Coworker coaching helps achieve installing the cabling for the new cir- positive results in all the ACEMAN categories.
cuits. Prior to energizing portions of new circuits, the testing department should have clearly communicated their Laptop locks o intent to the construction crew and any IT currently is striving to fully comply with Xcel En-other potentially affected personnel and ergy Corporate Policy 9.20 requiring users of laptops to verified there was no conflict. Once test- physically secure them when left unattended. To obtain ing was complete, the testing voltage a laptop lock, please contact Betsy McMorrow at exten-should have been removed and declared sion 4700. The laptop lock cables may be placed safe. This should have also been clearly around desk supports or legs. Periodic walkthroughs communicated to all affected pThe will be conducted to ensure full compliance with this policy. For addi-Practicing Perfection Institute de-tional information about this policy, please contact Rick Schuster at exten-fines a questioning attitude as: An sion 7314. The policy is available on XpressNet.