PERMIT TO WORK system WP PTW safety officer rolei.ppt

PTW

1. PERMIT TO WORK

2. MAIN PAGE PERMIT

3. Definition
Permit : an authorising document
approved by management,
describing the work to be carried on
identifying the potential hazards or interacting activities
that can take place
specifying the requirement, precautions requested to
work in safe condition

4. To ensure:
•All work activities, the hazards involved and
precautions to be taken are defined prior to the
execution of the work.
•All activities are coordinated to provide a safe
working environment for all personnel while
working at the site.
Purpose

5. THE WORK PERMIT PROCEDURE
COVERS ALL WORK EXCEPT:
Some routine works tasks,which do not create any
potential hazard to personnel,equipment or the
site,will not require a permit.
Such tasks are covered by detailed operating
procedures and implemented with the MTS
form(Maintenance Task Sheet).
These detailed procedures have formal approval
from Site Production Manager.

6. Written-Legal Document
Defining a Safe System of Work.
Remember :
This is a legal document.
When you sign it,
you will beheld responsible
if something goes wrong

7. TYPE OF PERMIT TO WORK
THERE ARE TWO MAIN TYPE OF PERMIT,BUT ONE LAYOUT
•COLD WORK PERMIT
•HOT WORK PERMIT
(Coloring the top box partially (of each page) in red color will identify a
hot work permit.
Coloring the top box (of each page) completely in red color and writing
HOT WORK NAKED FLAME will identify a hot work naked flame permit.)

8. Signed by Responsible Personnel
Discipline Initiator
The Discipline supervisor as work
Authority Initiates the permit document

9. Signed by Responsible Personnel
Installation Authority
Area Authority
Task Performer
Gas tester if necessary
Senior Operator
Area Authority

10. Request:
-A work permit will be initiatedby the maintenance supervisorbased on the work order received
from methods.
-According the job scope he has to define:
The requested:
equipment
WO number
estimated time
required working hours
work description
Nbr. of workers

11. Preparation:
-After the completion of the request
the maintenance supervisorcompletes
the preparation.
-According the job scope he declares:
-Which tools he will use to perform
the work and
if there is a vehicle required inside
the unit.
-He will prepare and attach
the required complementary permits.
-He indicates the hazardous
circumstances
and gives extra information if
required.
-If a hot permit is required he will
highlight the top box in red on all
pages.
-He declares the safety precautions
that will be taken on site by the task
supervisor during the works.
-He signs the first part of the
WORK PERMIT.

12. Status Approval:
-The installation authorityhas
to define the required equipment
status.
-He also checks if there are any Fire &
Gas or ESD systems that have to be
inhibit according the
work description.
-He has to specify which gas tests are
required.
-He double checks if the hazard
identification indicated by the permit
initiator is satisfactory.
-He double checks if the safety
precautions indicated by the permit
initiator are satisfactory.
-He signs the status approval.

13. -The area authorityhas to declare that the equipment status is as required.
-He also puts the required Fire & Gas or ESD inhibits in place.
-He completes and signs the attached complementary permits
-He signs the status approval.
Status Approval:

14. On Site Validation:
-The task supervisoracknowledges that the work will be carried out according the defined work
description
using the described tools and safety precautions.
-He validates the permit.

15. On Site Validation:
-The Senior operatoron site arranges the specified Gas test (Taken by certified person).
-He acknowledges that the required precautions and equipment status has been implemented including gas
tests and start/stop tests for electrical isolation.
-He informs the area authority that the work starts.
-He validates the permit (may require Area Authority signature on site also, depending the permit level)

16. Work Permit Closure:
-When the work is finished or suspended the task supervisordeclares the status of the work.
-He marks up if all personnel has left the working zone.
-He declares the status of the equipment and signs of the permit.
-The Senior operatorRemoves the safety precautions with Area Authority approval
-He restores the status of the equipment with Area Authority approval
-He checks the house keeping and signs of the permit.
-The task supervisortransfers the permit to the Area Senior Operator or area authority
-The area authorityremoves the inhibits and closes the permit.

17. Validity
Hot Work and Cold Work Main Permits,Naked Flame,
same document,same validity period.
7 DAYS OR14 SHIFTS
MAXIMUM !

18. Limitation
Validation ofHOT WORK NAKED FLAME is
limited to one per fire zone.
No Hot Work Naked Flame During night
shift

19. Example ofCOLD WORK
•Pressure testing of plant and equipment
•Disconnection or opening up of any closed pipeline or vessel
•Chemical cleaning
•Handling of hazardous substances, e.g. toxic / corrosive
chemicals, asbestos, etc
•Spraying of paint and Brush Painting
•Heavy lifts,e.g. over Wellhead

20. Examples ofHOT WORK
•Electrical welding
•Flame cutting
•On site performance of a non explosion proof electrical
task for example the usage of a Avometer,Megger
Tool,etc…..
•Usage of a non intrinsically safe tool:(electrical power Drill)
•Grinding

21. CAUTION
Opening in Ground
Keep Out !
The “Confined Space Entry
Permit” is another form of
safe work permit regulating
entry into pits, tanks, and vessels.
Confined Space Entry Permit
Location and description of confined space:
Reason for entry:
Permit issued to:
Supervisor’s Name:
Attendant’s name:
Permit issuer’s name:
% oxygen: % lower explosive limit: ppm CO: H
2S:
Requirements
Emergency Rescuer yes no
Continuous Gas Monitor yes no
Barrier for ground openings yes no
Warning Signs yes no
Safety Harness with life line yes no
Tripod / Hoist / Pulley yes no
SAFE WORK PERMIT