ADNOC PERMIT INTERVIEW QUESTION & ANSWERS FOR JP & PA BY DAVID NII (PTW COORDINATOR)

1) Work Management System (WMS) is a safety tool to ensure that the work is properly controlled,
coordinated & communicated (The 3 C)

2) ADNOC Work management system (WMS) framework describes the key aspect and requirements
to facilitate harmonization & integration of HSE critical processes that include JSA, PTW, ENERGY
ISOALTION, TDC & SIMOPS across all ADNOC Group companies

3) 3) Contractors shall be responsible for ensuring that all activities performed within ADNOC
cooperating facilities in the course of carrying out their contractual requirements. Ans. True

4) Each Group Company shall maintain an UP TO DATE & APPROVAL list of the personnel authorized
as signatories in the PTW System

The following rules shall apply:

The list shall be APPROVED in writing by Asset Owner;

The list shall be Revived & approved on an annual basis;

The list shall be UP TO date;

The approved list shall be readily available in the designated areas namely Permit Control Facility
/Control Room or other designated area.

5) The Principle Custodian, responsible for authorizing all changes to the WMS Framework is the
Senior Vice President, T HE ADNOC Group. Ans. True

6) Asset Owner shall request deviations from the WMS Standards along with the Risk Assessment, in
writing, to the Group Company Corporate HSE Vice President (Or Head) for review. Group Company
Corporate HSE VP shall accordingly endorse the request for deviation and share it with ADNOC Group
HSE for their review. Deviations from WMS Standards shall be approved by SVPHSE, ADNOC Group.
Ans.True

7) For paper based system, the original copy of the signed off documentation and all relevant
attachments required as per WMS Standards shall be retained for a minimum period of 12 months.
For companies utilizing electronic systems, a majority of the approvals and attachments are
automatically archived in the system. However, other hard copies containing Wet in signature or
information not captured in the electronic system as part of the documentation shall be retained for a
minimum period of 12 months.

8) Asset Owner responsible to authorize & appoint competent WMS Signatories once the personnel
have successfully completed relevant training followed by a formal written & practical assessment.
Ans.True
9) The following Audit types are TIER 1,2&3:

Tier1- Daily monitoring

Tier 2 - Assessment by ADNOC Group Company (Annual)

Tier 3- Independent Assessment

10) If any documentation & all relevant attachments required as per WMS Standards form part of an
investigation for any reason, the related documents shall remain in archive for the duration of the
investigation. Ans.True

11) What is electrical area classification?

Electrical area classification is

Class – 1 Division 1 – High voltage more than 650V

Class-1 Division 2 – Medium voltage 250V – 650V

Unclassified – Low voltage less than 250V

12) What is zone classification?

ZONE 0 – Harmful & toxic gases are always present in normal condition EG 30 mtr radius of live
flare/WH

ZONE 1- Harmful & toxic gases are occasionally present in normal condition

ZONE 2- Harmful & toxic gases are present in abnormal condition

UNLASSIFIED ZONE- Area free from harmful and toxic gases

13) What is PTW? An official documents use to control PEOPLE, ENVIRONMENT, ASSET and
REPUTATION

14) What is the section of permit?

Section one – Permit requester/PA

Section two– Hazards assessment and precaution

Section three– Gas testing requirements

Section four- Permit issue

Section five – Revalidation of PTW

Section six- PTW closing

15) What are the types of permits?

1) General work permit – PTW without any source of ignition. Ex; scaffolding, painting, concrete work,
working at height without any internal combustion engine like machinery, painting

2) Hot work permit – PTW that generates source of ignition. Ex; Welding cutting, grinding etc

3) Critical work permit- PTW that requires critical work activities. Ex; Welding/cutting/grinding in zone
1/2/0 area or near live facilities, Lifting near live facilities, Working at height above 10 meter height,
Lifting by using dual crane(Tandem lift), X’mas tree replacement in WH

16) What are the types of certificate?

1) Confined space entry (CSE)

2) Excavation

3) Vehicle & machine entry

4) Diving

5) Radiography (Ionizing radiation)

6) Atmospheric testing recording (ATR)

7) Easement (Repair/maintenance services like FOC line, pipe line etc)

8) Energy isolation

9) Temporary defeat (TDC)

10 Road closure

17) What are the documents attached with the permits

Ans. Method statement, Risk Assessment, Certificates, Relevant drawing & miscellaneous documents

18) What is TRA? - The process of identifying hazard and its control risk with the help of risk matrix by
ALARP?
19) What are the steps of TRA?

1) Job step 5) Potential risk 9) Residual risk

2) Hazards 6) Existing barrier 10) ALARP

3) Causes 7) Recommended controls 11) Completion date

4) Consequences 8) Action by

20) What is Hazards? Anything that has the potential to cause harm to PEAR

21) What is Risk? The probability and severity of hazards.

22) What is Potential risk? Before the implementation of control measures

23) What is Residual risk? After the implementation of control measures

24) What is ALARP? The balance between time and cost (As much as possible the risk must be reduce as
compare to the benefits (As low as reasonable practicable)

25) Reasons why TRA to be revised are: Change in work location, new tools & equipments added,
Change of work activity, In case of major incidence

26) What are the hazards of lifting activity?

1. Suspended load 5. Improper signaling 9. Mechanical failure

2. Crane collapse 6. Uneven ground conditions 10. Improper rigging

3. Damaged tools and tackles 7. Adjacent/ nearby structure 11.Uncontrolled movement of load

4. Fall offload 8. Overhead power lines 12. Adverse weather conditions

26) What are the precautions of lifting activity?

1. Permit to Work
2. Lifting Plan
3. Third Party inspection and color coding of crane, tools and tackles
4. Third party certified crane operator, rigging supervisor and riggers
5. Only 1 trained and approved rigger shall give the signal
6. Crane shall be positioned away from the adjacent structures and overhead power lines
7. Preventive maintenance of the crane
8. Daily inspections
9. Barricading and sign boards
10. Do not stand or stay under the suspended load
11. Outriggers shall be completely extended
 12. Safety devices such as Anti Two Block, Anemometer, Limit Switch and Level Indicator shall be
installed in crane.
13. Crane should be positioned on the level ground and outriggers shall be placed on the outrigger
pads.
14. Two taglines shall be used

27) What is lifting plan? Lifting plan is a document that has all the information required to calculate the
safe working load of a crane

28) What is a load chart? Load chart is used to calculate the safe working load of crane with the
parameters such as boom length, boom angle and boom radius.

29) What are the hazards of Power tools?

1. Electric shocks 3. Burns injuries 5. Noise 7. Vibration

2. Sparks 4. Fire explosion 3. Cut injuries

30) What are the precautions of Power tools?

1. 110 V power supply with 30m Amp ELCB

2. Provide dead man switches 11. Machine guard 12. Leather gloves, Apron

3. Area should be free from combustible and flammable materials

4. Disc RPM (Rotation per minute) shall be greater than the machine RPM

5. 100 % spark containments. Area shall be completely covered to prevent sparks from coming outside

6. Adequate Welding booth

7. Availability of approved fire extinguisher, fire blanket, trained fire watchers

8. Double eye protection (Safety goggles and Face shields)

9. Job rotation for long duration of work

10. Hearing protection (Ear plugs & Ear muffs)

31) What are working at height hazards?

Falling from Height
Fall of materials and equipment

32) What are working at height precautions / controls?

1. Wear Full Body harness with 2 lanyards
2. 100 % tie off
3. Guard Rails and Toe boards
 4. Working platform shall be inspected and tag shall be available
5. Tool lanyard for tools
6. Do not store unwanted material at height

33) What are the hazards of mobile scaffolding?

1. Scaffolding Collapse
2. Accidental movement of mobile scaffold
3. Workers trying to overreach out of the scaffolding platform
4. Moving mobile scaffold without unlocking the wheels
5. Mobile scaffold toppling
6. Moving mobile scaffold with worker standing on the platform
7. Contact with overhead power lines

34) What are the precautions of mobile scaffolding?

1. Check green tag on the scaffold
2. Do not move mobile scaffold while person is standing on it
3. Do not move mobile scaffold with locked wheels
4. Do not over reach out of the platform
5. Unlock the wheels before moving the scaffold
6. Do not position the scaffold near the surface edge or adjacent to overhead power lines

35) What is H2S

H2S (Hydrogen Sulphide) is highly toxic and corrosive gas.

36) What are properties or characteristics of H2S

Highly Toxic
Corrosive
Soluble in water
Color less
Rotten egg smell at 1 PPM
What are things you know about H2S?
TLV? STEL? LEL? UEL? IDLH? Auto ignition temperature?
1. H2S is heavier than air (1.19),
2. Invisible,
3. Toxic, poisonous,
4. Corrosive,
5. Flammable,
6. Pyrophoric,
7. Soluble in water & oil,
8. Rotten egg smell in low concentration (below 1ppm).
9. Threshold Limit Value (TLV): 10 PPM for 8 hours.
10. Short Term Exposure Limit (STEL):15PPM. (The concentration which it is believed that a person can
exposed continuously for 15 PPM without any danger to health, irritation and his safety).
11. Lower Exposure Limit (LEL): 4.3 %(43000PPM).
12. Upper Exposure Limit (UEL): 46 %(460000PPM).
13. Immediate Danger to Life and Health (IDLH): above 100PPM.
14. Auto ignition temperature:500 F (260 c).

37) What are the precautions for H2S

1. H2S training
2. Personal H2S Gas Monitor (Note: Personal H2S gas monitor doesn’t detect hydro carbons or
other gases)
3. Emergency Escape Breathing Apparatus
4. Windsock
5. H2S alarms
6. Emergency Evacuation Route
7. Emergency Evacuation Plan
8. Emergency Stand by vehicle

38) How to evacuate in case of H2s leak

Stop the work activity

Stop the equipment if possible
Look at the wind sock for wind direction
Go cross wind until the h2s alarm stopped ringing then go up wind to the assembly point
Do a head count
Inform emergency contact number about the h2s leak and evacuation
If anyone is missing in the head count inform the emergency contact number to send a rescue team.

39) What is a conflicting activity?

Two or more activities are carried out in the same location at the same time and workers are affected
with the hazards of other activity.

40) What has to be done if there is a conflicting activity?

Coordinate with the JP of other activity
If the other JP cannot stop the activity discuss with the Permit Issuer about conflicting activity.

41) What are the precautions for safe use of machinery and equipment?
1. Machine / Equipment shall be inspected and color coded and 3 rd party certified.
2. Inspection tag shall be available on the machine
3. Machine guards shall be available
4. 3rd party training shall be given to the operators (crane and boom truck)
5. Area barricading and sign boards
6. Area shall be free from flammable and combustible materials
7. Fire extinguisher shall be nearby equipment

42) What is high risk activity? Are activity that involve critical task and need Asset approval authority
approval before it can be performed
Examples of work are;
Scaffolding above 10 meters height
Hot work inside confined space
Welding, cutting & grinding in zone 02 area/live facilities
Lifting near/above and over live live/facilties, Tandem Lifting etc
43) What are the types of emergencies and action required for each emergency?

Medical Emergency: Immediately call the first aider, Call emergency contact number and give following
information
- Your Name, Company Name
- Your exact location (including at height or at ground )
- Type of emergency
- Inform what assistance is required
- Place 1 worker at the access for guiding emergency vehicle.

H2S Leak:
- Stop the work activity
- Stop the equipment if possible
- Look at the wind sock for wind direction
- Go cross wind until the h2s alarm stopped ringing then go up wind to the assembly point
- Do a head count
- Inform emergency contact number about the h2s leak and evacuation
- If anyone is missing in the head count inform the emergency contact number to send a rescue
team.

Fire
- Stop the work activity
- Turn off the nearby equipment if possible
- Extinguish the fire with fire extinguisher if possible
- Evacuate towards the assembly point
- Do a head count
- Inform emergency contact number about the fire action taken
- If anyone is missing in the head count inform the emergency contact number to send a rescue
team
What is the breathing apparatus you can use in the plant?

1. EEBA (Emergency escape breathing Apparatus) -For evacuation purpose. -15

Minutes of duration.
2. SCBA (Self Contained breathing apparatus)-For Rescue operation and confined
space work purpose. -30 Minutes of duration.
3. CABA (Continuous Airline Breathing apparatus). For work e.g. CSE

44) What are the hazards of confined space?

1. Presence of toxic gases
2. Fire & Explosion
3. Poor ventilation
4. Poor Illumination
5. Oxygen deficiency
 6. Oxygen enrichment
7. Improper access or egress
8. Suffocation
9. Extreme Temperatures

45) What are the precautions of confined space?

1. PTW
2. Confined Space Entry Certificate
3. Confined Space Entry Training
4. Gas Testing
a. Oxygen 19.5 to 22.5
b. Carbon Monoxide – 30 PPM
c. LEL (Lower Explosive Limit of Hydro Carbons) – Less than 5 PPM)
d. H2S – 0 PPM
5. Availability of fire extinguisher
6. Hole watcher with entry exit log sheet and tally board
7. Regular communication with the entrants
8. Proper Ventilation
9. Proper Illumination ( 24V lights)
10. Proper Access egress
11. Emergency Rescue Plan
12. Emergency Rescue Equipment ( Stretcher, Harness, Crane, tri pod)

46) What is gas testing and where is gas testing required?

Gas Testing is conducted to identify if there are any toxic gases present and to check the oxygen level.

Gas test is required in the confined spaces, in excavations and in brown fields (Zone 0, 1 and 2)

47) What is source of ignition? Give examples

Anything that has potential to cause fire or explosion is an ignition source. Example: Cutting, welding,
grinding, friction, electricity, hot surfaces.

48) How many types of scaffolding tags are there?

Red Tag – Do not Work
Yellow Tag - Scaffolding under modification (only scaffolders can work)
Green Tag – Scaffolding ready to use

49) What are the hazards of excavation?

1. Underground Utilities
2. Excavation Cave in (excavation wall collapse)
3. Presence of toxic gases
4. Fall of people/ vehicles / tools in the excavation
5. Water accumulation in the excavation
6. Improper access
7. Confined space if excavation is deeper than its width and length.

50) What are the precautions / controls of excavation?

 1. Underground utility scanning (for underground facilities)
2. Trial Pits (for underground utilities)
3. Drawings and surface marking of underground utilities (for underground facilities)
4. Excavation sloping or benching (for excavation all collapse)
5. Excavation shielding and shoring (for excavation all collapse)
6. Gas Testing
7. Hard Barricade (Edge protection) and adequate sign boards
8. Alternate access if excavation is near to the road
9. Create bund walls for preventing outside water from coming inside. Dewatering for the internal
water.
10. Confined space precautions if excavation becomes a confined space.

51) What are the hazards of welding and cutting?

1. Fire & Explosion
2. Sparks
3. Electrocution
4. Toxic Fumes
5. Burns
6. Infrared Rays
7. Arcing

52) What are the precautions of welding and cutting?

1. PPE (Full length leather gloves, Apron, welding helmet, leather leg guard, hand sleeves and Filter
mask.)
2. 30 mAmp ELCB and earthing shall be provided
3. Gas testing in congested areas
4. Welding Helmet for welder and helper
5. Fire Blanket, Fire Extinguisher and fire watch
6. 100 % Spark containment
7. Area free from combustible and flammable materials

53) What is stop policy?

The authority to stop any unsafe work.

54) What is LSR, how many LSRS are there?

There are 10 LSRs
1. Work Authorization (Obtain a valid Permit whenever required)
2. Safe Mechanical Lifting (Plan Lifting Operations and Control the area)
3. Confined Space (Obtain authorization before entering a confined space)
4. Toxic Gas (Follow the rules for working in toxic gas environment)

5. Energy Isolation (Verify isolation and zero energy before work begins)
6. Driving (Follow Safe Driving Rules)
7. Bypassing Safety Controls Obtain authorization before overriding or disabling safety
controls)
8. Line of Fire (Keep yourself and others out of the line of fire)
9. Working at Height (Protect yourself against a fall whenever working at height)
10. Hot Work (Control Flammable and ignition sources)
Use Mandatory PPE & RPE as per requirements

55) What is the responsibility of JP?

1. Primary responsibility is to take care of health and safety of workers

2. Ensure all ADNOC procedures are followed.
3. Submit permit and certificate in one day advance.
4. On completion or suspension of work the work site must be clean, clear and safe.
5. Attaches the TRA to the permit before submission.
6. Once condition and controls are checked, JP signs the permit and receives permit from
Permit Issuer.
7. Implements the work site precautions and controls identified by the area authority and
check by Permit Issuer.
8. Remain at work site for the duration of the work.
9. Conducts a tool box talk before the job start.
10. Suspends work in the event of emergency and general alarm.
11. Display the copy at work site.
12. Close the permit upon completion of the work activity.

56) How many types of ladder and position?

There are two types of ladders
1. Access ladder- which is installed with green tag.(should be 75 degree)
2. Normal ladder-which is permanently fixed with equipment.

57) What is PASS?

P-Pull the pin from fire extinguisher

A-Aim base of the fire
S-Squeeze the handle
S-Spread zigzag.

58) What is STARRT card?

S-SAFETY
T-TASK
A-ANALYSIS
R-RISK
R-REDUCTION
T-TALK.

59) What is electricity?

Flow of electrons in a closed circuit.

60) Why use 110 volts instead of 220?

To reduce the risk of electrocution. (Electrocution causes cardiac arrest). At 220 volts current is around
72 amperes which can cause electrocution

61)

1. Road Safety:
1. Speed limit
2. Wear seatbelt,
3. No smoking in the vehicle
4. Vehicle daily inspection check list should be filled
5. Flag pole
6. Rollover bar
7. First aid kit
8. Desert kit
9. Reverse Alarm
10. IVMS (in-Vehicle Monitoring System) GPS to track and monitor the vehicle activity (location,
driving speed, seatbelt, struck)
10. Journey Management Plan:

 A Journey Management Plan process that you follow for planning and undertaking road
transport journeys in compliance with ADNOC HSE requirements,
 (Summer 8:00pm winter 7:00pm no driving without journey Management Plan)
Before entry:
 Submit vehicle internal inspection report to client by Road safety coordinator by mail
 Follow client instruction
 Client representative will issue a Inspection sticker with validity period
 Recommending as per requirements

 Speed limit:
 Asphalt/ Black top Road 100. KM/PH
 Part 80
 Slope and turning 40
 Gatch Road 40
 Sand 20-30

 RAG Report: overview report for the driver.

 RAG reports show drivers with designations of:
 Red, Amber or Green as determined by their RAG score.
 A driver's RAG score is based on occurrences of:
A. Over Speeding,
B. Harsh Acceleration
C. Harsh Braking
D. Averaged over time and distance.

1. Red Reject/unsafe)
2. Amber (Average-Need more training)
3. Green (Good behavior)

 JMS: Journey Management Plan3 factors: involve in 3 things

1. Driver,
2. Vehicle,
3. Road
 Maximum driving time between breaks:
 Light vehicle 2h
 heavy vehicle 4 hours
 Minimum break time 15mins
 Medical:
 Age: ＜40 - 3years
 Age: 40-50 - 2years
 Age: ≥50 - 1year (on and above)

 What's Fog level: 100 meters

Available materials inside desert kit

1. Mylar blankets
2. First aid kit
3. Tool kit
4. Compass
5. Extra clothing
6. Gallon jugs of water
7. Nonperishable food items
8. Tire repair kit
9. Coolant
10. Emergency roadside kit Like: triangular cone, Lifting belt etc.
 62) What is an incident/accident or near miss?

 INCIDENT: An unplanned undesired event which delays the completion of work and which may cause
illness, injury or property damage.
 ACCIDENT: Is an unplanned uncontrolled event which causes illness injury fatality and property
damage.
 NEAR MISS: Is an unplanned event which did not caused any injury illness or property damage but has
the potential to do so.

63) What are the activities for a pipe line work?

1. Transportation of Pipe Lines,

2. Right of Way (ROW) In Sandy Area,
3. Stringing,
4. Bending,
5. Cutting,
6. Grinding,
7. Welding,
8. Field Joint
9. Coating,
10. Nondestructive Test (NDT)
11. Pre- Padding and Post Padding,
12. Hydro Testing,
13. De Commissioning
14. And De-Oiling of Existing Lines.
15. Restoration

64) What is HSE Plan and what are the contents in the HSE Plan?
It is the systematic procedure which describe how to carryout work in a safe manner by protecting
health safety and environment.

The Contents are: PIIS

1. Project Title,
2. Index,
3. Introduction,
4. scope of work,
5. leadership and commitment,
6. HSE Policies,
7. Strategic Objective and Targets,
8. Organization chart,
9. Resources,
10. Roles and Responsibilities,
11. HSE Competency,
12. Risk evaluation and Management,
13. Planning standards and procedures,
14. Implementation and Monitoring,
15. Audit,
16. Management Review
17. and Annexure.

65) What is the base of HSE Plan? And what are the elements?
Base of HSE PLAN is HSEMS (Health Safety and Environmental Management System). HSE Management
System we conduct our operations worldwide with regards to health, safety, and the environment.
Elements are: LPORPIA

1. Leadership and commitment,

2. Policy and Strategic Objectives,
3. Organization resources and competence,
4. Risk Evaluation and Management,
5. Planning standards and procedures,
6. Implementation and monitoring,
7. Audit and Management Review.

66) What are the important elements in HSEMS? LR Definition:

1. Leadership and Commitment.
2. Risk evaluation and Management.

67) What are the elements will be briefed for HSE Induction?

1. HSE Policy,
2. Emergency preparedness (Mock drill plan, Evacuation Plan, Assembly point, First aid facility,
Ambulance, Medical clinic, Emergency contact Numbers)
3. PTW system of the site,
4. Welfare facilities,
5. work related procedures,
6. Mandatory PPE and Work-related PPEs.
These are the minimum will be briefed during HSE Induction

68) Who is authorized to do gas testing? Job performer can conduct gas test in his area, why?
Ans.: Only Authorized gas tester (AGT) shall be conducted the gas test.
Job performer cannot conduct the gas test because he can be manipulating the things and maybe he will
allow to work.

69) What are the items will show during gas test?

 H2S (0 PPM)
 LEL (0%)
  O2 (21.9%)
 CO (0 PPM)
 Allowable:H2S below 10 PPM,
 LEL (less than 5%),
 Oxygen level (19.5%-22.5%),
 Carbon Monoxide. TLV-TWA 35 PPM STEL 50 PPM

70) Which permits shall be obtained for Radiography?

1. In restricted area: Critical work permit and Radiography certificate.

2. X-ray use high voltage transformer: Hot work and Radiography certificate.

71) What is the HSE requirement for Radiography?

1. Experience history,
2. Medical History,
3. Radiation Protection Supervisor shall be qualified with certification (Recognized certificate from
NRPB (National Radiation protection board} from UK).
4. Work instruction’ Method statement,
5. Emergency Action Plan,
6. Emergency contact numbers,
7. Emergency Kit,
8. Personnel Dosi meter and Calibration certificate,
9. Survey meter and calibration,
10. TLD badge for Personnel, thermo luminescent dosimeter measures ionizing radiation
11. Source transportation vehicle shall be approved from FANR (Federal authority for Nuclear
Regulation),
12. Source storage requirements and Source movement control log.

72) How you will decide area of barricade for the radiography activity?

By using survey meter (Analog and digital survey meter is available).

73) What are the safety devices for Radiography activity?

1. TLD Badge and personal Dosi meter,

2. koli meter,
3. surveyor meter,
4. emergency kit,
5. emergency action plan.
6. Beepers.
74) What are the precautions for Hydro testing?

1. All shall be rated. (Don’t forget to tell this first

 Fittings,
 Joints,
 Flanges,
 Blinds
 Hoses
2. All the Gauges shall be calibrated and certified.
3. Pressure safety Valve shall be installed in test line to prevent the test pressure being exceeded.
4. Whip arrestor shall be provided for all joints.
5. All gauges shall be installed in a safe distance from equipment and should be visible to operator.

75) Types of Fire?

1. Class A: Ordinary combustible Ex: Paper, Wood, Garbage, Plastics. F/E: Water, DCP
2. Class B: Fire involves inflammable liquid Ex: Petrol, Diesel. OIL, F/E: CO2, Foam, DCP
3. Class C: Flammable gases. Electricity Ex: Switch panel, Boards. F/E: DCP, CO2
4. Class D: Metal Fire. Ex: Magnesium, Potassium, Aluminum F/E: Dry powder

76) Hierarchy of control measures? ES EAP OSHA

1. 1.Elimination
2. Substitution.
3. Engineering control e.g. Guards etc.
4. Administrative control. Trainings etc.
5. PPEs
NEBOSH: ERICPD

77) Sand Blasting.

Hazards:
1. Airborne dust:
2. Metal dust:
3. Silica sand:

 Sand blasting operations such as cleaning and refinishing or painting.

 the hazards of sand blasting deal with adequate protection.
1. Airborne dust:This is one of the most serious hazards associated with blasting operations.
 Larger size of particles is normally filtered out in the nose and throat.
 Smaller particles (10 microns or smaller) can bypass the lung's filtering system and penetrate deep
into the respiratory system, where they may cause serious damage.
2. Metal dust: contributes to the generation of airborne dust. such as lead, cadmium, and manganese,
can be extremely toxic when inhaled.
3. Silica sand:This product is a potentially serious health hazard and should not be used as an
abrasive.
 Must wear a positive pressure or pressure demand respirator with an assigned protection factor
(APF).
PPEs for Sand Blasting:
1. Hearing protection for both operator and nearby workers.
2. Heavy duty gloves or leather gloves,
3. Apron,
4. Respiratory mask,
5. Safety Shoe,
6. coverall,
7. Face shield, etc.

78) Handling and storing compressed gas cylinders.

1. Store cylinders in shaded area.

2. Secure cylinders upright with a chain or strap in a proper cylinder cart.
3. Store cylinders at least 30 m from hot work location and combustible materials in a dry, ventilated
place.
4. Keep oxygen cylinders at least 20 feet from fuel gas cylinders.
5. Ensure valves are completely closed and all protection devices are secured

What is HEAT STRESS? Heat Stress occurs when our body is unable to cool itself enough to maintain a
healthy temperature

Workers who are exposed to extreme heat or work in hot environments may be at risk of heat stress.

Exposure to extreme heat can result in occupational illness & injuries,

Heat stress can result in heat stroke, Fatigue, heat exhaustion, heat cramps or heat rashes.

Precaution of heat stress

1. Necessary approvals from ADNOC Onshore.

2. TBT session to cover Heat related illness and FRA to be discussed with crew.

3. Heat Stress Site Assessment Checklist 2022 (ADNOC ONSHORE) shall be maintain.

4. Jobs allowed to be carried out only at locations authorized and planned.

5. TWL monitoring in place.

6. All JP's have communication about updated TWL readings.

7. Availability of shaded rest area and sufficient cool drinking water and ORS solutions.

8. Personal water bottles provided for all personnel Job/Rest schedule followed corresponding to TWL
readings.
9. TWL Flags updated according to TWL risk rating.

10. JP is maintaining records of job/rest schedule.

11. All personnel encouraged to drink water every 15 Mins.

12. No lone working allowed.

13. All JP's and HSE personnel provided with suitable communication devices.

14. Close supervision available from Sub-CONTRACTOR, CONTRACTOR and COMPANY HSE and
Construction during midday work.

15. First aider and first aid kit.

16. Standby Ambulance with male nurse.

17. All personnel undergone mandatory "Beat the Heat" training.

18. All new personnel HSE inducted and new employees shall be acclimatized to summer weather for 14
days prior to mobilizing to site.

19. Personnel allowed to work only under shade.

The Thermal Work Limit (TWL) heat stress index

TWL gives a measure of the maximum safe work rate for the environmental conditions presents at a
worksite.

If TWL is too low then even low rates of work cannot safely be carried out continuously & extra rest
breaks & other precautions are needed to ensure worker safely. TWL, measured in watts per square
meter (W /m2)

The determination of TWL is; Wind speed, Humidity and temperature

TWL REGULATIONS / FLAT SYSTEMS

Working Zone TWL (W/m2

Low risk GREEN 140-220
Medium risk ORANGE 115-140
Medium risk RED 115 BELOW

ADNOC PERMIT INTERVIEW QUESTIOSN & ANSWERS FOR JP & PA BY DAVID NII (PTW COORDINATOR)