HU & THU Tools
Q: What is the 2 miniute Drill at the job site.
A: A: HU-AA-101 4 PERFORM a 2 minute Drill @ the Job Site for tasks requiring a pre-job brief immediately prior to beginning the task or re-commencing the task after a break.
Q: What are Flagging/Robust Operational Barriers.
A: A: HU-AA-101 4 USE flagging to identify components to be worked or manipulated multiple times
Q: What is the swiss cheese model?
A: Analogy for defense in depth.
Q: Which are used for defense in depth? THU or HU?
A: Both! Focus
Q: Who is responsible for training the workforce on HU tools?
A: Exelon Training Directors - Responsible for providing and documenting training associated with verification practices and the use of other HU and THU tools.
Q: Demonstrate 3-Way Communications (section 4.4) in the off-gas procedure.
A: Find out.
Q: What is First Check.
A: First Check: The act of an individual establishing verbal communication with the dispatching facility or First Line Supervisor to ensure the first component manipulation for a specific task is performed on the proper unit and train.
Q: What is a pre-job brief.
A: Focus
Q: What are the defenses for latent errors?
A: HU and THU Focus
Q: What is Dedication and Intensity?
A: HU-AA-101 4.10. THU Behaviors - Passion elevates daily involvement and commitment to achieve success in all endeavors and leaves no room for substandard performance.
Q: What is an 'Error-Likely Situation'?
"A: A number of error precursors are identified that can B used to screen conditions where a HU error is likely to occur. Supervisors & individuals are expected to be aware of these error precursors & to put additional barriers to error (e.g., Peer check"
Q: What is an example of not hesitating 2 seconds before proeceeding?
"A: A story I heard. Man crossed the tracks daily on night shift for years and rolling throught the stop sign was a habit. Took his family during the day, rolled through and was hit and the family was severly injured. Time changed: habit did not."
Q: What is OOPS?
"A: A: HU-AA-101 4 If you find yourself Outside of Procedures, Parameters or Processes - STOP - and CONTACT your supervisor. Errors can be prevented by properly using written procedures. OOPS is a strong method that can be used effectively to prevent err"
Q: What is IV?
"A: A: HU-AA-101 4 Independent Verifications are used for component manipulations meeting the criteria outlined in the "Verification Practices" section of HU-AA-101, and for which Concurrent Verification was deemed not applicable. Independent Verificatio"
Q: What is the 2 ft Zone Rule?
"A: A: HU-AA-101 4 MAINTAIN a distance of at least 2 feet from all positionable components unless a pre-job brief or 2 minute drill has been performed,"
Q: What is STAR
"A: A: HU-AA-101 4 Stop, Think, Act, Review."
Q: What is 3-Way Communication ?
"A: A: HU-AA-101 4 USE 3-Way Communication for all order / directions that involve operation of plant equipment,or exchange of critical information related to the plant or plant equipment, to promote a reliable transfer of information and understanding."
Q: Who is a qualified individual in HU-AA-101?
"A: For the purposes of Concurrent Verification and Independent Verification, a person who has been determined by station management, to be qualified to perform verification activities. As a minimum, this individual shall be trained in HU ver techniques."
Q: What should be visible during STOP?
"A: HU-AA-101 4 − Stop. − Point at or touch the equipment. − Read the identification tag. − Compare to the controlling document. − Hesitate for a second or two, followed by: − Manipulate the equipment. − Verify actual system response."
Q: What is Management Involvement?
"A: HU-AA-101 4.10. THU Behaviors - A leader cannot get excellence from their group from afar. The leader must personally lay their eyes on the issue and meet with the people doing the work. You not only get what you expect, you get what you inspect. "
Q: What is Personal Commentment?
"A: HU-AA-101 4.10. THU Behaviors - Personal Commitment - There are no partial owners in this business; it is a serious business. Every task we take on, we are accountable for. We must own our work from beginning to end."
Q: What is a Questiing attitude?
"A: HU-AA-101 4.10. THU Behaviors - Questioning Attitude - Asking questions is the most effective means of probing for quality, flushing out poor assumptions or invalid inputs, and identifying errors."
Q: What is Effective Resource Management?
"A: HU-AA-101 4.10.2.10.5 THU Behaviors: Effective Resource Management. Supervision must always be mindful of the experience level, talent, and general proficiency of their assigned personnel. They must also consider team dynamics (i.e. how well certain "
Q: How should HU and THU be applied?
"A: In these examples, correct tech decisions must be made using a combination of exp, knowledge, tng & procedures. The THU behaviors outlined in this procedure R intended 2 supplement the HU tools & help ensure that proper tech decisions made by Fld Wkrs."
Q: What are the performance Modes? How does each relate to procedure use?
"A: Knowledge based, Rule based, Skill based. Knowledge- no rules, rule- procedures, skill - automatic/ don't need the rules normally. Focus"
Q: What is the purpose of the 2 minute drill? How can it be used personally?
A: A human performance tool used to ensure employees focus on critical aspects of a job and to verify that actual job site conditions reflect those expected or discussed during the pre-job brief. Focus
Q: What is Peer Check?
A: A: HU-AA-101 4 Both the performer and the peer checker need to read and understand the step of the controlling document prior to the step / manipulation being performed.
Q: What is CV?
A: A: HU-AA-101 4 Concurrent Verification. Sumarize.
Q: What are 3 times Chem Techs use First Check?
A: Find out.
Q: What are the 3 most frequent 2 Foot Zone Rule (section 4.8) applications.
A: Find out.
Q: What does this mean? '4.2.2. Supervisors evaluate the use of Peer Check for critical steps as defined in HU-AA-1211.'
A: Find out.
Q: What are 'error precursors'
A: Find out. HU-AA-101 2.3 defs.
Q: When do Chem Techs use Verification (IV / CV) (section 4.3)?
A: Find speficic steps in procedures.
Q: What is Awareness of Surroundings
A: HU-AA-101 4.10. THU Behaviors - Awareness of Surroundings - Individuals can get so focused on the task at hand that they become unaware of the big picture and surrounding environment. Actively Observe.
Q: What is Challenge
A: HU-AA-101 4.10. THU Behaviors - Challenge - Nobody knows all the answers and nobody has all the skills. Respectfully challenge each other.
Q: What is Valuing the Corrective Action Program
A: HU-AA-101 4.10. THU Behaviors - The Corrective Action Program is the most important program in a nuclear power station.
Q: What is Ask and Inform?
A: HU-AA-101 4.10. THU Behaviors -Ask and Inform - Effective communication is the key to truly achieving excellence in technical human performance.
Q: Where does this come from: 'Passion makes anything possible and defines the environment for continuous improvement to flourish.' come from?
A: HU-AA-101 4.10.2.10.5 THU Behaviors Dedication and Intensity
Q: What is the purpose of HU and THU?
A: Humans always make mistakes. Focus
Q: Definition of Knowledge based mode.
A: In situations where there are no procedures or previous experience. Focus
Q: When is independent review required?
A: Independent Verification is typically used for restoration of equipment. ...for safety related equipment when the equipment's function is required in the current mode of operation. Focus
Q: What is OOPs?
A: Is an acronym for a human performance tool to prevent error when face with uncertainty. Focus
Q: _____ is a strong method that can be used effectively to prevent errors due to proceeding in the face of uncertainty. REFER to Attachment 4 for stop work criteria and expected response actions.
A: OOPS is a strong method that can be used effectively to prevent errors due to proceeding in the face of uncertainty. REFER to Attachment 4 for stop work criteria and expected response actions. HU-AA-101 4.1.3
Q: Actively engage in briefing discussions regarding Human Performance tools to be used during the work.
A: Performer/Verifier - Responsible for:
Q: Who responsible for: 'Staying focused on the ongoing task but being aware and sensitive to conditions in the surrounding areas.'
A: Performer/Verifier - Responsible for:
Q: Events happen after a _______ .
A: Precurssor/ trigger event. (Verify) Focus
Q: What are 4 examples of tasks where a 2 Minute Drill @ the Job Site (section 4.7)
A: Rx water sample. Offgas sample.
Q: What HU tool does this come from: 'PAUSE before performing a task to enhance the attention to detail in an attempt to eliminate distractions.'
A: STAR. The 'S'
Q: How can THU apply to Chem Techs?
A: THU behaviors such as Questioning Attitude would prompt technicians to evaluate and make technical decisions on adverse trends and off normal conditions that fall below the action thresholds defined in procedures (e.g. increased feedwater Cond)
Q: What is: Technical Human Performance (THU)?
A: Technical Human Performance (THU): A higher cognitive level of understanding of the factors influencing the task at hand.
Q: We use the tool STAR in HU. Is there a similar tool in THU?
A: Yes. Self-Verification - All Exelon Nuclear technical decisions or products shall be self verified. HU-AA-102Rev6 5.2.1
"Q: What does this descripe: If you find yourself Outside of Procedures
Parameters or Processes - STOP - and CONTACT your supervisor.",A: OOPS. Focus
"Q: If you find yourself Outside of Procedures
Parameters or Processes, you should?","A: If you find yourself Outside of Procedures, Parameters or Processes - STOP - and CONTACT your supervisor. Errors can be prevented by properly using written procedures. HU-AA-101 4.1.3"
"Q: Supervisors and individuals are expected to be aware of these _____ _______ and to put additional barriers to error (e.g.
Peer check, etc.) in place to combat errors.","A: Supervisors and individuals are expected to be aware of these error precursors and to put additional barriers to error (e.g., Peer check, etc.) in place to combat errors."
"Q: Having an aggressive questioning attitude when performing work in the plant
actively looking for out-of-the-ordinary or questionable conditions,¬ifying supervision and/or entering the condition into the CR process, as appropriate.",A: Performer/Verifier - Responsible for:
"Q: Could these occur in a mature organization? Error precursors
flawed defenses, or latent organizational weakness",A: Yes. That is why we focus on them.
"Q: What is this from? Hesitate for a second or two
followed by: − Manipulate the equipment. − Verify actual system response.",A: It is the last two steps in STAR. HU-AA-101 You hesitate 2 seconds to be sure to break the chain of thought and make the action deliberate.
"Q: What HU tool is this: 'The act of checking the correct component identification and discussing subsequent component manipulation prior to action being taken. Unlike Concurrent Verification
peer check may involve audio and/or visual cues.'",A: Peer Check:
"Q: What is the reason for the errors in each mode? Knowledge based (1/2)
rule based (1/1,000) and skill based (1/100,000-10,000) Focus","A: Knowledge based (inaccurate mental picture) , rule based (misinterpretation) and skill based (inattetion) Focus"
"Q: What is the error rate for Knowledge based
rule based and skill based modes?","A: Knowledge based (1/2) , rule based (1/1,000) and skill based (1/100,000-10,000) Focus"
