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Identify the purpose and the job requires
Permit to work
Train/Refresh employees on the Permit
to
Work system.
Full commitment and compliance to
Permit
To Work procedure
Enhance Safety Awareness
2
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A Work Permit is an Agreement which
gives authorization for specific work
activities to be undertaken ( Machine,
Facility, Equipment or Structure ) the
location and the time required to
complete the assigned work
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It is an agreement between the Issuer
& receiver that the work to be done will
be carried out in accordance with the
provisions stated in the permit
3
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In the petrochemical industry, work must
be done under controlled conditions to
ensure the safety of workers and facilities.
The Work Permit system was developed to
provide safety in the workplace by
controlling potential hazards inherent to the
industry
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Communication tool for understanding nature of
the job and Identify related hazards
Safety
checklist
that
ensures
proper
procedures,equipment and precautions are in
place
Minimize risks to personnel and equipment
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Plant Emergency Alarm sounds
Safe Conditions Changes
Scope of job changes
Incident/Accident on the job
Job exceeds the permit deadline
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Work activity that does not produce a
source of ignition for flammable
mixtures
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Examples
 Any work which require opening vessels,
pipes, manholes etc.
 Erection / Removal of scaffolds
 Insulation & painting jobs
 Equipment greasing and lubrication
 Machinery monitoring –including vibration
instrument
 Cutting of lines ( hacksaw/cold cutting )
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Work activity capable of supplying
ignition source for flammable
mixtures
Examples
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Process of joining together two pieces
of metal ( Welding, brazing )
Breaking of metal into two pieces
( Cutting) by means of extreme heat
Metal grinding
Use of IC engines
Sand Blasting
Drilling, Chipping
Photography
Torches and other open flames
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Is large enough and configured so that an
individual can bodily enter and perform
assigned work
Has limited or restricted means for entry
or exit such as tanks, vessels, furnaces,
boilers, excavations, pits, sumps, stacks,
pipes etc.
Is not designed for continuous employee
occupancy
May contain flammable, explosives, toxic
or other harmful substance or oxygen
deficient
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Use of Manual tools or
mechanical excavator in digging
a hole, pit, trench or any
opening on the ground that is
within the area covered and
under the jurisdiction.
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Is the entry if Internal Combustion
Engine vehicle or equipment in a
designated hazardous area or at
areas where there are potential
presence
of
combustible
or
flammable gases or liquids, explosive
dusts and other materials which are
declared hazardous
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Any work which requires a worker to do
job on a dead or live electrical
equipment, system,network or facility.
Electrical Works include:
 Energization & De-Energization
 Trouble shooting
 Preventive & Corrective
Maintenance
 Other such activities that are related
to any source of electrical power
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The work that applies to
welding connection made to
pipeline or a vessel under
pressure
or
has
depressurized but has not been
cleared
for
conventional
construction method.It is also
to be used where it is
impractical to take equipment
out of service
13
Gas Test : An instrumentation test of an atmosphere
to determine oxygen, flammable gas,
and/or toxic substance ( Benzene,
hydrogen sulphide, carbon dioxide )
concentrations. A properly calibrated
direct reading monitor shall be used for
gas testing
Hazardous Atmosphere : An atmsophere that may
expose individuals to risk of harm from
flammable gas or vapor – Airborne
combustible dust – Toxic Gas or oxygen
levels < 19.5 % or > 23 %
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Hot Work :
Operations:
Exemptions:
Job activities that include welding, torch
cutting, open flame and /or grinding, or any
other activity in the operating area that could
be an ignition source
In most cases operations are the owners and
the Team Leader, Asst. Team Leader or
operator will communicate with the lead
worker about the job. All operators will be
certified in work permit compliance training
The Maintenance workshop is exempted
from the work permit requirements as they
pertain to source of ignition. It is the
responsibility of the Maintenance Supervisor
to ensure the work is done safely
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A personnel & Vehicle entry/work authorization
form will be located in each Field Information
Centre ( FIC )_
All personnel ( Other than operations staff )
entering an operating area/process shall be
identified in the entry log
Personnel performing work under same order can
be signed in by one person. Work orders associated
with job assignments and brief description should
be included in the sign-in.
The operator will inform worker(s) if additional work
permit is required or if there are any active permits
associated with or relevant to work to be done.
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The operator will assign a vehicle pass number (
if needed )
Sign – out is required when departing due to
work completion.
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Work permits are initiated by the department
performing the job then authorized and approved by
operations of the unit.
Operations is always the issuing authority and
responsible for ensuring the plant/area is safe for the
work to proceed
The work permit issued by operations releases
equipment control from operations to those performing
the work
Issuer and Receiver cannot be the same person
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Filled in by Lead Worker and Maintenance
Supervisor prior to work permit approval
*
*
*
*
*
*
Type of permit ( Hot or Cold )
Date
Work Order Number
Unit/Area
Equipment Number/Location
Description of work
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Filled in by Maintenance Supervisor prior to
work permit approval
*
*
*
Permit initiated by
Signature
Telephone
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Filled in by Lead Worker prior to work permit
approval
Identify the type of work ( category ) to be
performed and check off the appropriate box(es)
* Non Hazardous
/Chemical *
* Vessel/Line opening( Hydrcarbons
Use of open flames
Toxic Gas )
* Use of Electric, Pneumatic and /or buffing
* Hot Tap/Stopple
tools
* Use of IC Engine
Equipments
* Radio Active sources
* Welding, Cutting , Grinding, Drilling
* Vehicle Entry
* Use
of
Electronic
Equipment
not
intrinsically
* Work on Energized Equipment
safe
* Confined Space Entry
Note: If work requires confined space entry, a Confined Space Entry Permit must be
used along with the work permit
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Filled in by Operations
Normal valid period maximum of 1 x 12 hour
operations shift.
Permits may be extended for extra shift
additional 12 hours if determined safe
following gas test
Work permits in other locations other than
operating areas – 24 hours but no extension
Renewal of permit: Responsibility of Issuer &
receiver who have renewed the permit to ensure
that all permits conditions are complied with in
full at all times. Any non compliance to
instruction results in immediate suspension 22of
Work permit
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Filled in by Operations & Lead Worker
* Is a written approved
procedure
required, if
yes,attach the procedure
* Other Instructions
* None Required
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Operations & Lead Worker will identify the PPE
required to carry out the job
Rubber gloves
 Flash Suits
Life Line
 Acid suits
Rubber boots
High Voltage gloves
 Goggles
Safety Harness
 Dust Masks
Face Shield
SCBA
 Respirators
Airline breathing apparatus
 Others
Slicker suits
 None
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At work site, Operations & Lead Worker will complete
the checklist. Each item to be confirmed ‘Yes’ unless
N/A
Has the pertinent MSDS been reviewed
Is the equipment isolated and visually checked
Has the lock, Tag, and Try Procedure been followed
Lock Box Number
Has the blinding procedure been followed
Is the equipment depressurized and/or drained and
verified
Is the equipment decontaminated
Is the are taped or barricaded off
Is there safe to/from the work location
Scaffold
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At work site, Operations & Lead Worker
will complete the checklist.
Pressurized Fire Hose
Non – Sparking Tools
Fire Watch/Safety Operator *
Spark Proof sheeting/Fire Blanket
Radio contact for workmen
Cover drains ( Within 15 mts )
Fire Extinguishers
Steam Lance
Fire Blankets
Portable eyewash
Spill Containment
None
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At work site, Operations will do the gas test
and make necessary entries
Gas testing required ?
Frequency
Continuous
Type of monitoring
Gas Testing – Mandatory for all hot works & confine space
entries
Operations – Decide the frequency of gas test
Vessels, Pipes , Equipments opening – LEL nominal 10% and
below
H2S – 10 PPM or less & Benzene 0.5 PPM or less
Hot Work – LEL must be 0 %
Work commence within on hour after gas test – any delays
require gas test again
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Retest before extension of Work Permit
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Operation & Lead worker both ensure
that all requirements which they have
to comply with are completed and
provided. Both sign with date & time
for approval & acceptance and job
starts now.
The original permit shall be posted at
the work site in a transparent plastic
pouch
Maintenance personnel arriving at the
job site after a permit is issued are
required to read, understand and sign
the original. Or the lead worker should
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Original ( Field Copy ) : The original copy shall be posted at
work site in a transparent pouch. The permit to be returned to
the CCR following job completion or permit expiration and
retained for a period of three months
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FIC ( Field Information Copy ) : will be displayed in
appropriate FIC. These copies should be disposed off
properly when the original is returned
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Team Leader Copy: will be taken by the Team Leader
as soon as possible after permit is issued and used for
posting in the appropriate unit’s TL office in the CCR. These
copies to be disposed off when the original is returned
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When work is completed or permit has
expired, Lead worker will notify
operations and both will inspect work
site and determine the following before
work permit is signed off as complete:
Is work complete? If not, state
condition
Has maintenance locks been removed
Is area clean and safe
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100 %
Too Much Fuel
Upper Explosive Limit ( U.E.L )
Boom
Lower Explosive Limit ( L.E.L )
0%
Too Little Fuel
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Operations : Team Leader, Assistant
Team Leader or Operator currently
certified in both work permit compliance
and gas testing
Maintenance( Lead Worker ) : The person
designated
by
maintenance
or
construction supervisor or supervisor of
any other section to represent a group
of people who will be performing a
job.The Lead worker should be certified
in work permit compliance.
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Clean and purge the area/equipment to remove hazardous
chemicals and residues
Isolate equipment and follow Lock , Tag & Try Procedure
Conduct gas test
Perform a joint visit with the person doing the job
* Make sure area is physically safe for work to begin
* Identify the exact location of the equipment to be
worked on and the scope of the work
* Point the emergency equipment like safety shower &
fire extinguisher
* Provide warnings of any local safety hazards
* Explain actions to be taken during emergency
* Communicate safety policies / rules
* Explain permit closure procedure
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Make sure you understand all aspects of the safe
work permit
Explain details of permit to other crew members
Notify permit issuer if job scope changes
Report of any hazards
Clean up job site when work is completed
Complete permit close-out section and return to the
issuer
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Permits are being prepared too far in
advance, or
the work has commenced
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The workers are not following, or do not
understand
the requirements of the
permit system and the reason
for it
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The person signing the permit has not
inspected the job site to see if all the
necessary procedures ( Lock,
Tag & Try,
Isolation, testing etc )
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Supervisors are not enforcing or
monitoring the work permit system
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The type or format of the permit does not
conform with task to be completed
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The safety watch must be
knowledgeable in:
The
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The
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The
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The
site
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Emergency Response Plan
communication Procedure
Safe Operating Procedure
activities surrounding the work
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The safety watch must:
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Keep himself from imminent danger
Be knowledgeable about all aspects of the
permit
Monitor atmosphere levels
Stay alert at all times
Remains at designated post at all times when
personnel have entered in confined space
Watch for potential hazards and alert the
workers inside
Maintain entry log
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SECTION A - General ( Filled in by Lead
Worker and Maintenance Supervisor )
SECTION D - Permit Validation ( Filled in by
Operations )
SECTION H – Additional Requirement at Job
Site ( Filled in by Lead worker & Operations )
• Type of permit, Date, Equipment Number,
Unit/Area, Work order Number &
Description of Work
• The Permit Validity, Expiry & Extension,
Extension Approval with Date & Time
• Identify any other requirements needed for
work to be performed and tick the appropriate
box
SECTION B – Initiator of Permit ( Filled in by
Maintenance Supervisor )
SECTION E – Other Instruction ( Filled in by
Lead Worker & Operations )
SECTION I – Gas Testing ( Filled in by
authorized representative from Operations )
• Permit Initiated By, Signature &
Telephone
• Determine if any additional instruction
required and take action
• Gas test results are filled and certifies that the
area is safe to carry out the job
SECTION F – Personal Protective Clothing
( Filed in by Lead Worker & Operations )
SECTION J – Approval & Acceptance to begin
work ( Filled in by lead worker & Operations )
• Identify the required PPE for the job and tick
the appropriate box
• Both ensure that all requirements which they have to
comply with are completed & provided. Both signs for
Approval & Acceptance and job starts.
SECTION C – ( Job Category ( Filled in by
Lead Worker )
• Identifies and ticks the appropriate Job
category box.
Note : If work permit requires confined space
entry, confined space permit to be filled in along
with work permit
• Permit copies to be distributed
SECTION G – Safe Work Checklist ( Filled in
by Lead Worker & Operations )
SECTION K – Job Completion ( Filled in by
Lead Worker & Operations )
• At work site, both will identify and complete
the checklist
• Both checks the status of the job and ticks the
appropriate box and signs for permit closure.After
three months, the work permits can be disposed off
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