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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CausesWiring scheme outdated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”