Risk Assessment Welding & Radiography of Chilled Water Pipe

RISK ASSESSMENT Doc No: MAC-MEP-MS-032

RA DESCRIPTION

WELDING & RADIOGRAPHY TEST OF CHILLED WATER PIPES.

PROJECT

DUCAB- HV & EHV FACILITIES, DUBAI

CONTRACTOR

KHANSAHEB CIVIL ENGINEERING L.L.C.

LOCATION

JEBEL ALI,DUBAI

DATE:

RISK ASSESSMENT TEAM NAME

DESIGNATION

SITE REPRESENTATION SIGNATURE

NAME

DESIGNATION

SAED DIRAR

PROJECT MANAGER

GHOSH MRINMOY

DUCT C/HAND

VENKATESH BABU

MECH.ENGINEER(HVAC)

LAZARO LOPEZ RANIDO

PF./C/HAND

MUAYYAD A.(MOHD.ALI)

MECH.ENGINEER(HVAC)

DESIGNATION

INITIALS & SURNAME

APPROVED

PROJECT DIRECTOR

BRETT PLUMBRIDGE

YES

NO

PROJECT MANAGER

SAED DIRAR

YES

NO

CLIENT / CONSULTANT REP.

KANNAN VENKATESAN A.R.E.

YES

NO

SIGNATURE

COMMENTS

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

Page 1 of 11

RISK ASSESSMENT Doc No: MAC-MEP-MS-032

AVAILABLE

REQUIRED AND EXISTING CONTROL MEASURES

YES

NO

ADEQUATE YES

ATTACH TO RA DOCUMENT

NO

REMARKS

METHOD STATEMENT – STEPS OF THE TASK

X

PROCEDURES (SWP, WI, VENDOR SPECS.)

X

SPECIAL PERMITS REQUIRED

X

Hot work

EQUIPMENT / TOOLS REGISTERS AVAILABLE

X

Crane, lifting equipment

TRAINING REQUIRED

X

COMPETENCY CERTIFICATES REQUIRED

X

SEVERITY CATASTROPHIC CRITICAL SERIOUS MEDIUM MINIMAL

LIKELYHOOD

X

Crane operator, welder

CONSEQUENCE RATING

SEVERITY OUTCOME

5 10 15 20 25

4 8 12 16 20

3 6 9 12 15

2 4 6 8 10

1 2 3 4 5

5

4

3

2

1

VERY UNLIKELY

UNLIKELY

LIKELY

VERY LIKELY

ALMOST CERTAIN

1 2 3 4 5

FATALITY / DI MAJOR INJURY / ILLNESS SERIOUS INJURY / ILLNESS MINOR INJURY / ILLNESS NONE OR SMALL FA

RISK RANKING (RR) / PRIORITY FACTOR POTENTIALLY CATASTROPHIC / ACTION NEEDED IMMEDIATELY SCORE 1-2 POTENTIALLY MAJOR / ACTION TO BE TAKEN WITHIN 12 HRS SCORE 3 -6 POTENTIALLY SERIOUS / ACTION TO BE TAKEN WITHIN 48 HRS SCORE 7 - 10 POTENTIALLY MINOR / ACTION TO BE TAKEN WITHIN 7 DAYS SCORE 11 - 25

RATING H+ H M L Rev 0

Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

POSSIBLE CAUSES OF LOSS PRODUCING EVENTS OR HAZARDS 1. ADVERSE ENVIRONMENT NOISE LIGHTING RESTRICTED ACCESS HEAT, COLD COMMUNICATION 2. MOVING MACHINERY NIP POINTS REVOLVING PARTS INTERLOCKS AND VALVES CUTTING ACTION LACK OF CLEARANCE MISLEADING APPEARANCE OF QUALITY 3. SLIPPING AND FALLING FLOOR CONDITIONS FALLING FROM A HEIGHT EXCAVATIONS SCAFFOLDING AND LADDERS PLATFORMS FALLING FROM VEHICLES 4. ELECTRICITY ISOLATION DAMAGED CABLES POWER FAILURE FLAME PROOFING FAILED TRIPS 5. EXPLOSIONS DETONATORS AND EXPLOSIVES LIGHT ALLOYS VEHICLE TIRES FUEL TANKS GAS BOTTLES, BULLETS FIRE EXTINGUISHERS BOILERS AND PRESSURE VESSELS 6. MOVING VEHICLES PEDESTRIANS INSECURE LOADS DRIVER PROTECTION AND COMPETENCE PASSENGER PROTECTION ROAD CONDITIONS VISIBILITY BAD MAINTENANCE, MECHANICAL TRAFFIC CONTROL

 YES

NO YES YES YES

YES  YES

 YES  YES  YES  YES

 YES  YES

7. FALLING OBJECTS BAD SLINGING AND LOADING LOOSE MATERIALS AND EQUIPMENT LOAD SECURITY 8. HEALTH HAZARDS BAD SANITATION DUST, FUMES OCCUPATIONAL DISEASE RADIATION 9. FIRE COMBUSTIBLE MATERIALS FUELS AND OILS WELDING, CUTTING OVERHEAD MACHINES ELECTRICAL INSTALLATIONS 10. SUDDEN RELEASE OF MATERIALS WATER TANKS DAMS PRESSURE FLYING OBJECTS 11. HAZARDOUS CHEMICALS OILS, LUBRICANTS, FUELS ACIDS ALKALIS HEAVY METALS SOLVENTS 12. FALLS OF GROUND UNDERCUTTING SHORING AND BRACING DETERIORATED CONSTRUCTION 13. STRESS MATERIALS HANDLING HIGH WORKLOADS HEAT STRESS METAL STRESS 14. PRESSURE SYSTEM AIR, WATER, PIPES HYDRAULIC SYSTEM GAS BOTTLES AIR RECEIVERS BOILERS 15. TEMPERATURE HOT COLD

 YES

YES YES  YES  YES

 YES

YES YES

YES

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

HAZARD & RISK IDENTIFICATION RATING NO

HAZARDS IDENTIFIED L S R H S E

1

3 4 H

S

Lifting materials (Pipe, ducts, tools, equipment) manual handling

WHO CAN BE HARMED (RISK ID)

PREVENTATIVE CONTROL MEASURES

(Who, What, How, Why, Where, When)

(Eliminate, Reduce, Isolate, Control, PPE, Discipline)

Personal Injury, property damage, Persons may cause long and or short term injury to themselves

Regulations require employers to avoid the need to carry out manual handling which creates a risk of injury. Where avoidance is not reasonably practicable employers have to make an assessment, reduce the risk of injury as far as reasonably practicable and provide information about the weight of loads. Choose person who is capable of manually handling the pipe, do the proper technique, ( stable foot position shoulder width apart, bend knee, get a good grip of the load, lift it closer to trunk/body, lift it with leg, and move moderately, never twist body once load is lifted, always ask for help.

2

3 4 H

S

Transportation of materials (pipe)

Personal Injury, Property damage, Road/vehicular accident

• Ensure the transport vehicle is in sound condition. • Ensure driver has valid driving license • Follow traffic rules & regulations • Ensure material is placed tightly and secured with proper belts & wedges • Store material in designated area and stack properly • Proper manual handling method.

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

3

3 4 H

S

Lifting operation Off loading of unit (crane / forklift)

Serious injury, Property damage, death, Overturn of equipment, colapse of crane, crushing with falling load(pipe)

• Resposible engineer/supervisor must ensure that all crane , forklift and all lifting equipment/tackle were inspected and in good condition with a valid test certificate from registered 3rd party cetifying company. • Supervisor, operators, slinger / signaler must be certified competent by an external 3rd party certifying company. • Riggers will wear neon vests and bright orange hard hats. • Ensure crane are stable(level ground, fully extend outrig, enough clearance) • Ensure enough clearance and area is not restricted for forklift manouver.

4

3 4 H

S

Use of drill machine, grinding machine (inproper use) Support installation

Personal injury, property damage Fire, electric shock, trip, burn

• Ensure supervision is present all the time during the operation. • Electrical power operated tools shall be of the approved double-insulated type or grounded. • The use of electric cords for hoisting or lowering tools shall not be permitted. • Inspect all tool before using. • Use eye protection, (gogles, facesheild), dust mask, hand gloves.

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

5

3 4 H

S

Use of scaffold, overhead/vertical/risers installation

Personal injury, property damage, Fall of person / material, collapse or overturning of scaffold, struck by falling materials.

• Use only scaffold that is built, inspected, taged and will be modified only by competent scafolder, • Ensure that brakes are engaged. • No material and person in the scaffold when moving scaffold. • Do not throw materials, Use ropes to handle them safely • Ensure complete platforms with safety handrails, guard rails toe boards & access ladders.

6

3 3 M

S

Use of ladder

Fall from ladder, slip of ladder, object dropped from user.

7

4 4 H

S

Radiography Test of chilled Water pipes.

• Ladders must be checked/inspected before use • Correct length must observed. • Ground base must be firm and level • A ratio of 1:4 base to height must be observed • Avoid over reaching • None slip base must be used and tie ladder on top. • While using “A” type step ladder unsure the ladder having proper rubber footing and locked cross arm • 2m above “A”stepladder are prohibited at site. . • Ensure working area 15m radius Barricated with warning tape • Ensure sufficient lighting and ventallation is provided. • Ensure good communication and assign a watcher. • Authorized/ Engineer approved 3rd party should carry out Radiography test. • Prior starting they should submit the specific Risk and control measure and it should be approved by Engineer.

Personal injury, property damage Persons may cause long and or short term injury to themselves cause by Radiation

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

8

3 4 H

S

Use of welding machine, (fire, explosion)

Serious Injuries. Damage to property. Electric shock Burn

• Obtain Hot Work Permit from contractor. • Ensure welding machine and all welding tool and accessories are inspected before use. • All welding cables shall be of the completely insulated, flexible type, capable of handling the maximum current requirements of the work in progress. • When electrode holders are to be left unattended, the electrodes shall be removed and protected or machine switched off. • When the arc welder leave his work for any appreciable length of time, or when the arc welding or cutting machine is to be moved, the power supply shall be switched off. • Pipelines containing gases or flammable liquids or conduits containing electrical circuits, shall not be used as a ground return. • All arc welding operations shall be shielded by noncombustible or flameproof screens, which will protect employees and other persons working in the vicinity from the direct rays of the arc. • No welding shall be done where the application of flammable paints or the presence of other flammable compounds or heavy dust concentrations create a hazard. • Suitable fire extinguisher equipment shall be immediately available in the work area and shall be maintained in a state of readiness for instant use. • Engage only competent welder and helper for the welding job and supervision must present all time . • Obtained hot work permit if applicable.

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

9

3 3 M H S

Use of solvent, adhesive cleaners (insulation) Fire, Explosion

Personal injury, irritation, alergic reaction.

• Ensure that proper handling, use and dispossal of solvent / adhesive are adhere, based on MSDS (Material Safety Data Sheet) and ensure that hadler are informed, trained and instructed • Keep away the material from any kind of fire source • Application of solvent / adhesive should be supervised closely • Keep fire extinguisher at site. • Use appropriate PPE ( hand gloves , mask) as suggested in MSDS

10

2 3 M H S

Use of Fiber glass insulation

Personal injury, irritation alergic reaction, ionhallation of fiber glass

• Minimised working time / exposure with fiber glass insulation by proper planning of work. • Avoid breathing of fiberglass dust , use specified dust mask by manufacturer, MSDS • Ensure proper stacking of fiber materials and only the required amount / volume should be brought to site. • Avoid contact with the skin or eye, wear long sleeved, loose-fitting clothing, gloves and eye protection • Ensure to engage only competent person (trained, instructed and experienced).

11

3 4 H

Hydro (pressure) testing

Personal injury, property damage (bursting of pipe / hose / joints etc.)

• Competent personnel supervised by qualified and experienced supervisor shall only carry out testing. • Ensure that testing procedures are strickly follow. • Barricade and caution signs must be placed at the appropriate and critical area. • Only calibrated and inpected gauges shall be used. • Do not over pressure the pipe follow only required/recommended pressure. • Conduct tool box talk before carrying out testing.

S

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

12

4 2 M

S

Emergency

13

3 3 M

S

Poor Supervision

14

3 3 M

S E Excess and waste materials Tripping/Slipping Fire hazard

Injuries Death.

• In case of emergency injured personnel removed from site to first aid room, they will taken to hospital, an injury will be stabilized on shuold not moved until ambulance arrives. • Emergency evacuation system should be workers.

brief to

Death. Injuries. Time loss.

• Constant adequate supervision will be required in the installation of chilled water pipe activities. Supervisor will receive related risk and hazard analysis prior to commencing operations.

Personal injury, damage to property.

• Maintain house keeping at all times. Waste materials to be disposed off immediately or upon completion of the activities.

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

will be then be site and

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

SAFE WORK PROCEDURE NO

ACTIVITIES

CONTROLS

1

Obtain drawings of the works that needs to be done.

Ensure safety measures have been incorporated within the drawings as far as practically possible.

2

Training

Train worker of proper manual handling and proper handling of solvent cement.

3

Assigned workers, assemble all equipment necessary to carry the task.

Conduct TOOL BOX TALK before start of work.

4

Proceed with installation works until works are finished.

Any deviation or other safety concern that will come up, must be brought to the attention of safety personnel/officer on the site.

5

Day end cleanup and housekeeping

The area must be made safe at the end of each shift ensuring adequate barricades are in place preventing unauthorized entrance of persons in the areas that may pose a risk. Stack all equipment and materials in a safe manner at all times and clean the area to eliminate tripping hazards.

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

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RISK ASSESSMENT Doc No: MAC-MEP-MS-032

RISK ASSESSMENT COMMUNICATIONS FORM. I, THE UNDERSIGNED HEREBY ACKNOWLEDGE THAT THIS RISK ASSESSMENT(Welding and Radiography test of Chilled Water pipe) HAS BEEN DISCUSSED WITH ME AND THAT I UNDERSTAND THE CONTENTS AND THE RISKS INVOLVED IN THE TASK TO BE PERFORMED. I HAVE ALSO BEEN INSTRUCTED ON THE SAFE METHODS TO PERFORM THIS TASK. NAME

TG. NO

TRADE

DASAN BARBARAMMA

55944

WELDER

SARFRAZ AHMED

28721

WELDER

SHAMBHU KADRIYA

40554

WELDER

BIJIN ELIAS

47770

WELDER

MIR HAIDER ALI

40539

WELDER

SURESH KUMAR GOPALAKRISHNANNAIR

35848

PIPEFITTER

SUSOBHKUMAR

35931

PIPEFITTER

SHANMUGHAN K.

49296

PIPEFITTER

SIGNATURE

NAME

TG. NO

TRADE

Rev 0 Risk Assessment 032 Prepared by: Virgilio – E.H.S. Supervisor

SIGNATURE

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