HSE ManifaHSE Manifa

Ongoing / Upcoming activities at Manifa CHF Project

Electrical Substation energization

HSE Manifa

What happenedDuring the work activities, the employee came into contact with energized lugs (400 volts) on the out-feed side of a breaker.

WhyHe received instruction to replace two small transformer.

Fault analysisUnusual wiring scheme was not considered by personnel in LOTO process and an

was not identified

2

Safety feedback Contact with live part

Transformers to be replaced

Energized lugs

UNEXPECTED ENERGY SOURCE

HSE Manifa

CausesWiring scheme outdated

Failure to apply LOTO procedureEmployee believed customer was knowledgeable about its current wiring scheme

Consequences The employee was electrocuted from the shock, fell against the lugs and due prolonged contact

died as a result of VENTRICULAR FIBRILLATION

3

Safety feedback Contact with live part

Image appears by courtesy of GE Nuovo Pignone

HSE Manifa

Lesson learned : Electrical Hazard

Path

Ele

ctri

city

Time

1. Electric shock / Electrocution 2. Electric fire & explosion 3. Electric flash & burns

HSE Manifa

Lesson learned : Prevention

HSE Manifa

Safety : Administrative control Permit To Work SystemElectrical Work Isolation Certificate

This Certificate shall be used in conjunctionwith the Permit to Work , for any activity tobe carried out on live electrical equipmentor plant.

6

Snamprogetti ELECTRICAL WORK Work Permit No

ISOLATION CERTIFICATE Issue date:

SUBCONTRACTOR: AREA OF WORK:

WORKS STARTING DATE: TIME WORKS ENDING DATE: TIME

DESCRIPTION OF THE WORKS:

Answer with X where applicable: 1) Live work required ______ ; 2) Remote controls isolated ______ ; 3) Warning signs and barricades erected _____

4) Connected to ground/ Earth ______ ; 5) Lock out and Tag out in place ______ ; 6) Suitable access/ egress provede/ available _____

7) Personal Protective equipment required ______ ; 8) Other hazard - specify ______ ; 9) Other disciplines/ departments informed _____

WORK EQUIPMENT:

Associated Work Permits: 1) HOT _________ ; 2) COLD _________ ; 3) CONFINED SPACE _________

Subcontractor Receiving Authority Date Time

Subcontractor Performing Authority Date Time

INDIVIDUAL PROTECTION EQUIPMENT (CROSS WITH AN X):

HELMET EAR PROTECTORS ABEK MASK

GLOVES DUST MASKS DIELECTRIC GLOVES

SAFETY SHOES RUBBER SAFETY BOOTS DIELECTRIC BOOTS

PROT. GOGGLES ANTI-DUST OVERALLS EMERGENCY RESPIRATOR

WORK CLOTHES SAFETY BELTS OTHER

Is the prime mover to be Isolated from mechanical motive power? Yes No Tag & Lock Out No.

Is the prime mover to be Isolated from other power source? Yes No Tag & Lock Out No.

Is the power cable to be disconnected? Yes No Tag & Lock Out No.

Is control cable to be disconnected? Yes No Tag & Lock Out No.

Additional Safety Precaution

Special insteruction to be followed, in case of associated work permits (HOT, COLD or CONFINED SPACE):

The equipment and/ or location where the work is to be done has been inspected and work is safe to do?

Signature of competent electrical person ________________________ Date ____________ Time _________

Signature of Issuing Authority__________________________________ Date ____________ Time _________

I hereby declare that the work is completed, all workers under my control have beed withdraw and warned that is is no longer safe to work on the apparatus

specified in this permit and that tools, temporary earthing connection have been removed and the site restored to a safe tidy condition.

Signature of Subcontractor Performing Authority Date Time

I accept that the work is completed/ suspended and tht the site is restriced to a safe and tidy condition and that the apparatus

is ready for restart

Signature of Issuing Authority _________________________________ Date ____________ Time _________

Signature of competent electrical persone ________________________ Date ____________ Time _________

To b

e fil

led

Subc

ontra

ctor

To b

e fil

led

by C

ontra

ctor

CLEARANCE

CANCELLATION

Con

tract

orSu

bcon

tract

or

Location: 3rd NGL Ruwais

GENERAL INFORMATION

Check list for electrical energizationThe Electrical Competent Person should complete this form and demonstrate that all necessary

isolations have been made and that the system or plant is safe to be worked on.

HSE Manifa

Safety : Administrative control Access control

Apply a badge identification system for workers

Log In Log Out Book

7

PERMANENT BADGE

Company _________Name ____________Surname __________

Contractor Signature

This is to certify that the worker has sucessfully completed training for entry into Electrical Substation

Photograph

HSE Manifa

Safety measures : Lock Out Tag Out (LOTO)

8

DATE :

TAG No.

DO NOT OPERATE

CAUTION

REMARKS :

FRONT OF TAG

SIGNED BY :

COMMISSIONING TEAM

Warning Tag Lock devicesL O T O

Close or shut off all energy sources ,apply locks and/or tags, verify isolation

“Try method” - Try the switch Try the start button

Measure for voltage using a voltmeter to ensure that power is OFF

HSE Manifa

Safety measures: LOTO application and Area segregation

HSE Manifa

Safety measures: HV Area segregation

HSE Manifa

Safety measures: Fire fighting and Rescue equipment

HSE ManifaHSE Manifa

Thank you for your attention

“The Safer, The Better”