Work Order

Raised

Isolation

& SD

prepared

Work

Safety

Assessed

Work content

Assessed

SD Issued

& work

commences

Work

completed

& SD Cleared

SD Cancelled

Isolation

removed

& Plant RTS

Anyone or Routine Maintenance process

Maintenance Team

Safety

Controller

Designated Person and

Safety Controller

Issuer &

Acceptor

Acceptor

Safety

Controller &

Designated

Person

Safety Document Process