WHAT IS PTW SYSTEM???
A system for the control of potentially
hazardous jobs in order to ensure that
various types of maintenance and inspection
work are carried out in a safe manner and
without impacts to the personnel and
equipment
PTW System Applicability
When???
• The PTWS is mandatory and applies to
non- routine activities
• For hazardous routine activities not
covered by procedures/SOP’s already
developed
PTW System – PI & PH Orientation Training
JOBS REQUIRED PTW???
PTW is required for all these activities either performed by
OGDCL employees or contractor workforce
ALL TYPES OF MAINTENANCE
REPAIRS
MODIFICATIONS
CONSTRUCTION
DISMANTLING
RADIOGRAPHY WORK
TYPES OF WORK PERMITS??
S# Type Background color
01 Sour/Hot Work Permit Red
02 Cold Work Permit Blue
03 Electrical Work Permit Green
04 Confined Space Permit Grey
05 Work at Height Permit Pink
06 Vehicle Entry Permit Purple
07 Civil/excavation work permit Brown
08 Radiography work Permit Yellow
PERSONNEL INVLOED IN PTW
ISSUING AUTHORITY
RECEIVING AUTHORITY
HSE REP
ROLES OF PERMIT ISSUING AUTHORITY
Before issuing the work permit, Issuing Authority will ensure that:
Scope of work is clearly defined.
Determine the type(s) of permit(s) to be issued relevant to task.
Ensure fulfillment of mandatory requirement of job hazard analysis.
Physically inspect or delegate any competent person (in situation
where his present responsibility does not allow leaving office) for
inspection of site along with permit receiver to evaluate the physical
conditions and control measures.
Discuss mutually with the Receiving Authority on hazards involved in
carrying out proposed activity and other activities in parallel in the
area / close vicinity.
Ensure that the necessary tags, lockouts, isolation procedure are fully
implemented as required.
ROLES OF PERMIT RECEIVING AUTHORITY
The Receiving Authority will:
Carryout impact assessment for the identification of impacts
associated in proposed activity and that control measures are
adequately implemented and recorded.
Ensure that the trained and experienced personnel perform the task.
Communicate the existing hazards involved in proposed activity to
all concerned staff in safe accomplishment of activity.
Ensure that all workers for this particular job understand the safe
procedure for carrying out the job
Ensure that the work site is left in safe condition upon completion of
work. Carryout all housekeeping prior to handing over the site /
permit closure
CONTRACTOR RESPONSIBILITY
In case the activity is performed by the Contractor or
Service Company, then he will:
Ensure that his representative at Location understands
the PTW requirements.
Ensure that formal job hazard analysis has been
completed with assistance from OGDCL representative.
Provide appropriate training to his staff on safe execution
of work and that mandatory PPE are fully enforced at
worksite.
Act as Issuing Authority where long-term construction/
project activities are planned.
RULES OF PTW SYSTEM
1. SITE INSPECTION (COMBINED VISIT ISSUING & RECEVING AUTHORITIES)
2. GAS TEST (LEL, CO, O2 & H2S)
3. PRE JOB SAFETY MEETING (FOR AWARENESS)
4. PERMIT DISTRIBUTION & DISPLAY AT SITE
5. WORK SUPERVISION
6. WORK MONITORING
7. SIMULTANEOUS ACTIVITIES
8. WORK PERMIT VALIDITY
RULES OF PTW SYSTEM
9. BLANKET WORK PERMIT
10.WORK DELAY/STOPPAGE (more than 02hours)
11.WORK SUSPENSION
Work may be suspended by issuing authority, Location
Incharge or Location IC HSE)
Upon observance of any major HSE Non-conformance
In event of Emergency
For operational reasons to prevent interaction with another activity
Awaiting receipt of materials etc.
RULES OF PTW SYSTEM
12. HANDING BACK (on completion of job)
13. PERMIT TO WORK DOCUMENTATION
14. CHANGE OF CIRCUMSTANCES
o Change of Work Scope/ Circumstances: Boundaries of intended job exceeding
agreed scope etc., work shall immediately cease and the situation referred back to
the Issuing Authority for review and advice. A revised JHA may be carried out to
evaluate the change and its impacts.
o Emergency Situation: In emergency situation, permit shall be suspended until the
facility has returned to its normal status. The permit shall be revalidated or
reissued prior to work commencement
15. TRAINING & COMPETENCE
