People who are not staff.
WHAT TO REQUIRE
Advance notification Identity verification on arrival A stated purpose and destination Escort, or restricted access A record of entry and exit
WHY ESCORT MATTERS
An unescorted visitor in a shared hall is beside other customers' equipment.
WHAT TO CONTROL
What may be brought in: tools, equipment, storage devices
What may be taken out
WHY THAT SECOND POINT
Equipment removal is how theft occurs, and it looks entirely normal.
WHAT TO REQUIRE FOR REMOVAL
Authorisation, recorded.
WHAT TO ESTABLISH FOR CONTRACTORS WORKING ON PLANT
What they may access Whether work near live systems is supervised What notification is required beforehand
WHY
Contractor work has caused outages in many facilities.
WHAT TO BRIEF EVERY VISITOR ON
What is prohibited Emergency procedures Who to contact
WHAT TO RECORD
Who, when, why, escorted by whom.
WHAT TO REVIEW
Visit records, periodically.
