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Guidclincs on pcrmit to work (P.T.W.) Systems

Table of contents

Foreword    ii

Section A: General    I

Inrroduction.................................................................................................................................................I

What is a Permit to Work system?........................................................................................... I

Whcn arc P.T.W systems applicable⁵............................................................. 2

Responsibilities.............................................................................................................................................2

The Petmit to Work Form............................................................................................................................4

Training and competcnce............................... 5

Documentation............................................................................................................................................6

Communication...........................................................................................................................................7

Vcrification and monitoring of rhe P.T.W system .............. 7

Section B:    Preparation    8

Co-ordination..............................................................................................................................................8

Pianning.......................................................................................................................................................8

Hazard assessmenr............................. ...8

Types/categories of work..............................................................................................................................9

Cross rcferencc .............................................. -.9

Life/validiry of permits.................................................................................................................................9

Isolation.....................................................................................................................................................10

Prccaurions........................................................ II

Gas testing.................................................................................................................................................11

Signatures...................................................................................................................................................11

Section C: Process    12

Display ol permits ........................ 12

Revalidation...............................................................................................................................................12

Suspension..................................................................................................................................................12

Shift hand overs............................................................................................................................. |ś

Action in an emergency..............................................................................................................................13

Monitoring..................... 13

Section D: Completion    14

Return of per mit........................................................................................................................................ 14

Site inspection............................................................................................................................................ 14

Canccllation of ovcrridcs.............................. 14

Return to semce........................................................................................................................................ 14

Logs/records............................................................................................................................................... 14

Appendices    15

1.    P.T.W. inspection checklist.........................................................................................................................15

2.    Checklist for the review of P.T.W. systems...................................................................... 19

3.    Sample checklist of potential hazards........................ 21

Glossary of Terms    22

References    22

© 2001 OGP