238 Questions
What action will be taken for any deviation from the permit to work system procedure?
Disciplinary action
Who has the authority to rectify unsafe conditions immediately?
Anyone
What is required if it is not possible to correct an unsafe act or condition?
Report and record the situation
How should an employer inform a worker about the hazards of his job?
In writing
What should be done if corrections are not possible on a permit to work?
Safely stop, report, and record the situation
What should be done if someone intentionally ignores unsafe acts or conditions?
Face disciplinary measures
What should be done if an unsafe condition is posing a potential danger?
Report it immediately
What is the purpose of a Job Safety Analysis (JSA)?
To identify, analyze, and record steps involved in performing a job task
Who assigns the Radiation Safety Officer (RSO) in TPC?
TPC Management
What type of work involves radiography or X-ray of welded metal joints?
Radioactive Source Work
Which activity falls under Routine Works?
Work as part of a Standard Procedure or Work Instruction
What is the definition of Vehicle/Equipment Entry?
Entry of internal combustion engine vehicles or equipment in a hazardous area
Who certifies the Radiation Safety Officer (RSO) for TPC in KSA?
Nuclear and Radiological Regulatory Commission (NRRC)
What does the Company Risk Matrix use to determine risk score?
Consequence and probability
What is the purpose of Energy Isolation?
Preventing transmission or release of energy
What is the role of a Lock Out Device?
Prevent energizing of machines or equipment
What is Positive Isolation used for in the context described?
Preventing toxic and/or flammable substances from passing through pipes
What is the function of Process Isolation?
Prevent liquid or gas process streams from passing a certain point
In what way does Energy Isolation contribute to workplace safety?
By preventing accidental energy release
How does Positive Isolation help in reducing hazards?
By preventing the passage of hazardous substances
What is the significance of Lock Out Device in equipment maintenance?
It ensures safe maintenance by preventing equipment energization
Which type of confined space requires wearing permanent breathing apparatus during the task execution?
Category A
What action defines when a confined space entry has occurred?
When any part of the person's body enters the space
Which of the following is NOT considered a confined space according to the text?
Open field
In which type of confined space can there be no hazardous substances present or where it can be guaranteed to be safe?
Category B
What type of ventilation condition is typically found in a confined space, making it unfavorable?
Unfavorable natural ventilation
What depth of excavation falls under confined space classification?
1.2 meters deep
Which type of confined space entry requires no use of permanent breathing apparatus?
Entry where head passes outside limits
What is the purpose of Wet-bulb globe temperature (WBGT)?
To estimate the effect of temperature, humidity, wind speed, and radiation on humans
What defines a substance as toxic according to the text?
It is any liquid or gas capable of causing injury or death to a person
What is the main characteristic of an explosive substance based on the text?
It causes a sudden release of pressure, gas, and heat when triggered
What does a wet-bulb globe temperature take into consideration?
Temperature, humidity, wind speed, and radiation
How is a rescue plan defined in the text?
A plan used to rescue persons from confined spaces regardless of category
What distinguishes a chemical substance as hazardous based on the text?
Its toxicity, flammability, explosiveness, corrosiveness, and reactivity
What is the primary function of a lifeline/retrieval line according to the text?
Used for preserving or saving life
What does an extreme temperature refer to based on the text?
A temperature above or below Occupational Health limits
Who is responsible for ensuring that the WORK PERMIT Process is applied as per the method?
Maintenance Manager
What is one of the tasks that the EHSS Fire Chief is responsible for within Confined Spaces?
Ensuring rescue operations
Which role is tasked with conducting a rescue drill before task execution?
Fire Chief
What is one responsibility of the Permit Issuer / Receiver Common Responsibilities?
Conducting face-to-face discussions
Which role is specifically tasked with ensuring rescue equipment provision by contractors?
Maintenance Manager
What does the Area owner superintendent specifically review, accept, and approve?
Final JSA
Which role is responsible for ensuring certification and qualifications of third-party rescuers when outsourced?
Fire Chief
What should the Permit Issuer / Receiver conduct to ensure mutual understanding between them?
Face-to-face discussion
What action should be taken if the number of permits issued in an area becomes too high and uncontrollable?
Seek support and stop issuing additional permits
When should a work permit be canceled according to the text?
If changes occur that directly jeopardize safety or environment
What is the responsibility of the Permit Receiver regarding task supervision?
Continuously supervise the task execution
What should be done if re-validation of a permit has not been completed within an hour?
Cancel the permit
What must be done before signing-off a work permit upon completion of work?
File the original copy accordingly
In what circumstances should a Craftsmen take over task supervision according to the text?
When Task supervision cannot be continuously ensured
What action should be taken by the Permit Issuer in the event of an emergency?
Immediately suspend all work permits
What is the responsibility of the Fire Watch after hot work is completed?
Check for potential delayed ignition for 1 hour
Who should authorize the required signatories for the work permit?
Permit Issuer
What must the Permit Issuer check before issuing a work permit?
Authorization of signatories
What action should be taken after a work permit has been suspended?
Revalidate the work permit
What should the Permit Issuer do to ensure compliance with the work permit method?
Display original copies of permits at the worksite
When should a work permit be issued by the Permit Issuer?
After receiver signature
What should be done with a work permit during a shift change?
Hand it over to the Permit Receiver
What is the responsibility of the Permit Receiver regarding tools and equipment?
Identifying and inspecting tools and equipment before work
Which action should the Permit Receiver take in case of changing conditions that may jeopardize safety?
Withdraw personnel and return the work permit
What is a crucial requirement for personnel working in confined spaces according to the text?
Understanding Confined Space Entry requirements
What is a key task for the Permit Receiver before starting work?
Ensuring asset identification on site
When should the Permit Receiver ensure that workers understand and sign applicable safety documents?
Prior to starting the specific task
What action should a Permit Receiver take if emergency equipment is not available at the job site?
Stop work until emergency equipment is available
What responsibility does a Permit Receiver have in terms of lighting requirements?
Ensuring additional lighting is provided whenever required
What should a Permit Receiver do in relation to reporting incidents?
Report all incidents to maintain a safe working environment
What is a key responsibility of fire watch personnel during hot work according to the text?
Being familiar with the Emergency Control Plan (ECP)
Why must persons on standby or fire watch duty be clearly identifiable by wearing a reflective vest?
To prevent any possibility of fire or emergency
What specific action should be taken by the fire watch after hot work has been completed?
Check the nearby area for any potential fires
What precaution should be taken if hot work is conducted above ground level?
Keep people from entering underneath the hot work area
Why must fire watch personnel stay in the work location after hot work involving welding or grinding?
To check for potential fires for 1 hour after completion
What is a vital responsibility of the fire watch during hot work activities?
Familiarity with the Emergency Control Plan (ECP)
Why should sewer openings, drains, and floor openings be covered during hot work?
To mitigate risks of fires that may be created by hot work
What distinguishes a certified fire watch from other personnel during hot work?
Familiarity with the Emergency Control Plan (ECP)
What type of work does NOT require a work permit according to the text?
Work performed by maintenance personnel as part of their trade inside the Maintenance Workshops
When is a work permit NOT required for Vehicle Entry and Internal Combustion Engine Equipment inside operation area?
When the vehicles are being serviced by the operating personnel
What work scenario necessitates completion of the visitor’s logbook for entering certain areas?
Any persons carrying out visual inspections
What is the main purpose of requiring a work permit for all types of modifications and construction related work?
To manage risks associated with modifications and construction work
Why is it necessary for work permit to be issued for any Maintenance works on buildings and facilities?
To ensure safety during maintenance tasks
What distinguishes work requiring a permit from those that do not according to the text?
The nature of the work being done
What is the primary reason for not requiring a work permit for energize or de-energize equipment or first reset of tripped equipment?
To minimize downtime on equipment
Why does routine/day-to-day Maintenance inside permanent Warehouses not need a work permit except for modifications?
"Routine/day-to-day" maintenance poses minimal risks compared to modifications
What is the responsibility of the adjacent area permit issuer according to the text?
Inform his personnel about the adjacent work
What is a key responsibility of the Safe Maker during operation activities based on the text?
Ensuring hazard mitigation doesn’t change
What should be updated in the shift handover log by the Safe Maker according to the text?
Closed work permit status
In what capacity can a Safe Maker be regarded in operation activities?
Permit receiver
What is the primary function of an adjacent area permit issuer?
Informing personnel about the adjacent work
What distinguishes a Safe Maker from a Permit Receiver based on the text?
Ensuring hazard mitigation doesn’t change during progress
What is a common responsibility shared by both Safe Maker and Permit Issuer?
Update closed work permit status
What should be conducted by an adjacent area permit issuer when work impacts an adjacent area?
Ensure no hazards during task execution
What is a key step required before a work permit can be issued according to the text?
Isolating the energy sources
What information must be included on a tag attached to process equipment before work can start?
Equipment number, name, date, and signature of safe maker
Who is responsible for removing the tags from equipment after work is completed?
Safe maker (area operator)
When can tags be attached to equipment for work purposes?
After completing all required tasks
What type of checks are not required if the work does not involve process equipment according to the text?
Zero checks on transmitters
What action is prohibited when identifying process equipment to be worked on?
Using general tags on equipment
What is a task that must be completed before issuing a work permit according to the text?
Identifying potential hazards
What should be done with tags after completion of all tasks?
Remove them from equipment
In which scenario is a worker permitted to perform work without a permit in extreme cases or emergencies?
Only when safety and health are at risk
What is the most effective technique recommended in the text for eliminating or mitigating hazards?
Following the Hierarchy of Control
What must be done before carrying out work without a permit in a designated exempted area?
Job Safety Analysis must be conducted
What is considered a crucial step before issuing a work permit according to the text?
Making all process and non-process equipment safe
When is a work permit not required for using a forklift within a Hazardous Area Classification?
If the forklift is designed for safe use in the classified area
Who is responsible for ensuring the JSA recommendations are implemented during site preparation and work performance?
Area Owners
What action is taken in non-emergency situations if workers are required to perform tasks in a hazardous area?
A new work permit must be issued
What should be done with the recommendations identified in the third column of the JSA form?
Assign a responsible person in column four
What is the key document that must be displayed at a designated exempted work site?
Designated Area Work Permit Exemption form
What task should be repeated until all hazards are identified according to the text?
Identifying hazards from activity, surroundings, tools, and equipment
What condition allows workers to perform tasks without a work permit in designated exempted areas?
When a Job Safety Analysis has been conducted
Which person's role is to review and approve the final JSA according to the text?
Area Owners
What effectiveness does personal protective equipment (PPE) have in eliminating or mitigating hazards based on the text?
Lowest effectiveness
What is a crucial requirement for a rescue plan in confined Space Entry Category B?
Reviewed and approved by Incident Commander
When must the Rescue plan be attached with the confined space entry permit at the site for Category A entry?
Before entry preparation
Why should all open manways and covers not in use be positively barricaded?
To indicate they are not safe for entry
What does the text emphasize about the preparation of the rescue plan for confined Space Entry Category A?
The Incident Commander should prepare the plan
Why should rescue plans for confined space entries be prepared prior to entry?
To prevent any delays in case of an emergency
What is the purpose of counter-signing a rescue plan in confined Space Entry?
'Double-approval' for the rescue plan
Why is it significant to have minimum rescue equipment readily available?
To ensure prompt response in emergencies
What special precautions must be taken when performing hot work in a confined space according to the text?
Having a detailed analysis (JSA) developed and followed
What is the significance of a Hot Work Permit when working in a confined space?
It indicates permission to carry out hot work in the confined space
What electrical equipment standard must be met for hand-held electrical equipment according to the text?
Meeting applicable local/regional/international standards
When scaffolding is required in a confined space, what restriction should be followed?
Scaffolding must not obstruct the entrance or exit of the confined space
What is a necessary requirement for performing hot work inside a confined space?
Issuing a Hot Work Permit and following a detailed analysis (JSA)
Why is it important to have adequate ventilation during hot work in a confined space?
To provide fresh air and remove hazardous fumes
What type of power tools should be used where possible in confined spaces as per the text?
Pneumatically driven power tools with conductive air supply hoses
In what condition is scaffolding permitted inside a confined space according to the text?
'Scaffolding must not obstruct entrance or exit'
What type of confined space entry requires knowledge of high angle rescue procedures?
Elevated
In a confined space with a restricted Manway size, why is it challenging for a rescuer to enter the space?
Size too small for normal entry with SCBA
What characteristic defines a confined space with an unrestricted Manway?
Manway allows free movement in and out
Which type of confined spaces allow rescuers to transport injured workers normally?
Non-elevated spaces
What makes horizontal confined space access particularly challenging?
Use of retrieval lines
Why is it significant for rescuers to know the size of a confined space's Manway?
To understand ease of entry and exit
What would be a potential obstacle for rescuers in a confined space with internal configuration?
Large equipment brought inside
What is the main reason for obtaining a hot work permit according to the text?
To prevent ignition sources and protect employees
In what situation should the welding machine be shut down or disconnected from the power source?
During unattended periods
What is a key characteristic of hot work that necessitates obtaining a permit?
Presents a high risk to employees and facilities
Why should arc welding leads and oxy-acetylene hoses be inspected prior to use?
To check for insulation damage and leaks
What is the significance of lowering hoses and torches through a manhole as mentioned in the text?
To reduce the risk of fire or explosions
What action should be taken if arc welding is stopped for any reason according to the text?
Secure the electrode holder in a fixed location
Why is it essential to obtain a hot work permit for running/operating equipment at a site beyond vehicle entry permit duration?
To manage risks associated with extended equipment operation
What is the purpose of careful location of the electrode holder after removing the electrode?
To prevent accidental contact and potential accidents
What precaution should be taken if hot work is conducted inside a confined space?
Position an approved dry chemical fire extinguisher near the entrance.
What is the correct procedure for handling gas-burning or welding torches when work is finished inside a confined space?
Leave the torches in place but disconnect the hose at the regulator.
What is the primary reason for ensuring that welding machines are grounded when welded in confined spaces?
To prevent electric shock hazards for workers.
Why should compressed gas cylinders and welding machines be kept outside a confined space during welding activities?
To prevent potential gas leaks inside the confined space.
What is one critical requirement before any hot work can commence in a confined space according to the text?
Conducting atmosphere testing within the confined space.
What specific action should be taken if it is impractical to remove gas-burning torches from a confined space after work completion?
Disconnect the hose at the regulator of the torches.
Why should suitable barriers be provided when persons are working in close proximity or overhead of each other?
To prevent hazards such as falling objects or debris.
Why is it essential for contractors to provide fire extinguishers for hot work instead of using TASNEE fire extinguishers?
"A, B, C" dry chemical fire extinguishers are required for hot work.
What is the key requirement for using gas detectors according to the text?
To measure oxygen levels between 10 - 20.8%
In which scenarios is gas testing mandatory based on the text?
For hot work and confined space entry
What precaution should be taken before performing hot work according to the text?
Ensuring gas concentration is below 5% LEL
What is the reason behind requiring all users of portable gas detectors to be trained and certified?
To ensure accurate readings
Why is it important to equip gas detectors with audible alarms and visible lights?
To indicate gas concentrations
What is an important restriction related to the use of gas detectors?
Functionality limited beyond 20.8% oxygen
When is gas testing not required according to the text?
Works outside designated hazardous locations
What must be avoided when handling gas detectors during testing?
Condensation in enclosed areas
What is the maximum allowable frequency between gas tests?
2 hours
When should a fresh gas test be carried out before restarting hot work?
After more than one hour of interruption
What is the role of continuous gas monitoring for open flame/spark?
It is mandatory
What should workers do when the gas detector alarm sounds?
Stop work, evacuate to safe assembly area, and report to permit issuer
Why is it necessary to record gas test results in the Work Permit?
To satisfy regulatory requirements
What action should be taken with alarms of the gas testing device?
Let them stay until the device is reset or concentrations are back to safe levels
Why is it crucial to carry out functional tests for the gas detector device?
To ensure proper functioning at the start of each shift
What is the significance of testing air at various levels in confined spaces?
To ensure entire space safety as good air near openings may not indicate safety at other levels
What is a key consideration when determining whether a work permit should be issued?
The stability of the soil in the lifting area
Why is it important to hand the duplicate (field copy) of the work permit to the permit receiver?
To allow for inspection and review at the work site
In what scenario would it be inappropriate to sign blank work permits in advance?
When the permit workflow chart is not followed
What is a critical aspect of sequencing permit signatures according to the text?
Following the method's specified workflow chart
Why should all relevant documents for an issued permit be attached to the duplicate (field copy)?
To have all necessary information readily available at the work site
What is a primary reason for requiring separate work permits for each piece of equipment when tasks extend over multiple equipment?
To enhance safety by addressing specific equipment considerations
What is a crucial implication of lifting loads in areas with poor soil or unknown ground conditions?
The risk of shock loading or side loading
Why is it important to complete work permits in original and duplicate copies?
To have a backup available for review and inspection
What is the maximum total working time extension allowed for a task if it is not completed within the agreed duration?
12 hours during normal operation and 24 hours during TAM
What additional Personal Protective Equipment (PPE) besides safety helmet, safety glasses, Safety Shoes, and long sleeve clothe can be selected according to the text?
Respirator mask
What action should be taken if conditions have changed while a task is on hold?
Issue a new permit
When should signing a work permit jointly at the work location be done according to the text?
Before commencing the task
What type of tasks can be executed in one permit if they share the same hazardous identification?
Tasks within the same area, level, and location
What is the protocol for radiographic work in relation to other tasks in the affected area according to the text?
Radiographic work must be stopped temporarily for revalidation
What action should be taken if a new condition arises while work is ongoing according to the text?
Obtain a revised permit
What is the consequence of utilizing a gas detector after its calibration validity date has expired?
The detector will provide inaccurate readings
What protective measure is required for personnel working at heights greater than two (2) meters?
Wearing a safety harness with at least one lanyard
What is the validity period for scaffolding according to the text?
Every two weeks from the erection date
Which tool is recommended for identifying underground cables or utilities during excavation work preparation?
Use of a cable detector
How should workers and equipment be protected from possible electrical contact in excavation work?
Insulation of workers only
What action should be taken if a gas detector's calibration validity date has passed?
Replace the detector immediately
What should be worn by personnel working at heights to ensure safety compliance?
Safety harness with one lanyard
Which method is recommended to minimize hazards when underground utilities cannot be de-energized?
'Trail pit by hand excavation'
Ventilation involves drawing fresh air through a vessel using a vacuum device.
False
Canisters, cartridges, and filter masks are considered types of breathing apparatus.
False
A lifeline is primarily used for ventilation purposes in Confined Space situations.
False
A retrieval line can be utilized for rescue operations in case of an emergency according to the text.
True
Breathing apparatus can be supplied with air either manually or through recycled systems.
True
Venting involves releasing gases into a recovery system during depressurization activities.
False
The primary purpose of a lifeline is to aid in rescuing individuals from Confined Space.
False
Natural flow of air through equipment is considered a form of ventilation according to the text.
True
Breathing apparatus includes any type of mask that provides filtration of air for the wearer.
False
Ventilation can be achieved by using only natural means to circulate air within an area.
False
The safe maker is responsible for ensuring that the equipment/work area has NOT been prepared prior to signing the Work Permit.
False
The Task Supervisor is responsible for reviewing Task Steps, Description of Hazard, and Control Measures Required in the JSA form.
False
The Area Owner Specialist/Engineer is NOT required to review the JSA.
False
Craftsman, Forman, and welder are specifically mentioned as employees who need to attend the JSA meeting.
True
The safe maker must be authorized to sign the work permit but does NOT need to be qualified in the work permit area.
False
The Task Specialist/Engineer is required to ensure that the JSA is completed by cross-functional teams.
False
The Task Supervisor must upload records of JSA into the electronic system.
False
The Safe Maker is responsible for ensuring that equipment to be worked on has NOT been positively identified and tagged before signing the Work Permit.
False
The Task Specialist/Engineer is NOT responsible for reviewing Task Steps in the JSA form.
False
The Area Owner Superintendent is NOT responsible for accepting and approving final JSA.
False
The Double Block & Bleed method is considered as process isolation for Hot Work and/or Confined Space Entry.
False
For Positive Isolation, the process can be isolated by installing a Rated Blind or disconnecting the pipe.
True
The Bleeder must show leakage to verify that the isolation valves are holding.
False
All valves should be unlocked and tagged with a 'Danger - Do Not Operate' tag.
False
The theory behind the Double Block & Bleed method is that if the second isolation valve fails, the material in the line would discharge through the bleed valve.
False
A Master Tag list is prepared and verified by the Area Owner for listing and identifying all locked valves and blinds.
False
In Process Isolation, Proved Isolation can be achieved by using a Double Block & Bleed method for Hot Work.
False
Positive Isolation involves isolating the process by disconnecting the pipe or installing a Rated Blind.
True
For Process Isolation, Proved Isolation involves closing two positive shut off valves and opening a bleed valve in between.
True
Process Isolation requires all valves to be unlocked and tagged with a 'Danger - Do Not Operate' tag.
False
Hot work is allowed in confined spaces where there are other activities in progress that could increase flammable gas levels.
False
A TASNEE fire extinguisher can be used by contractors for hot work.
False
Gas-burning or welding torches can be left inside a confined space while unattended.
False
The torches and hoses should not be removed from the operating area at the end of any work period.
False
Compressed gas cylinders and welding machines should be kept inside the confined space during welding.
False
Atmosphere testing is not required when welding is taking place in confined spaces.
False
Approved dry chemical fire extinguishers must be provided by the contractor.
True
Suitable barriers must not be provided when persons are working in close proximity or overhead of each other.
False
Welding machines do not need to be grounded when welding in confined spaces.
False
Gas-burning or welding torches should be disconnected at the regulator if removal is impractical.
True
The minimum TPC PPE requirements include a face shield along with a safety helmet, safety glasses, safety shoes, and long sleeve clothing.
False
During radiographic work, all tasks within the affected area must continue without interruption.
False
If conditions change after work has been temporarily stopped, a new permit does not need to be issued.
False
Work permits can be extended up to a maximum of 24 hours total working time during normal operations.
False
If the receiver of the work permit changes, the continuation of the work permit does not require signatures on both copies.
False
Resuming work without confirming hazards identification and mitigation after a temporary stoppage is acceptable.
False
For routine works, there are no specific guidelines regarding permit issuance and duration.
False
A work permit can be continuously extended beyond the specified time limits without issuing a new one.
False
If conditions remain unchanged after a temporary stoppage, the work permit does not need to be revalidated.
False
Selecting additional PPE from a company-approved matrix is a requirement for all employees entering the plant area.
True
Learn about how the Company Risk Matrix utilizes consequence and probability to determine risk scores. Explore topics such as energy sources, energy isolation, and equipment/process safety measures.
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