Page 54 - Critical Control flipbook_Neat

LIQUID FUEL FIRE

Critical Controls

Hazardous Area
Risk Assessment
Inspections
• Area/zone
clarifi cation
drawing
• Explosion
protection
documentation

Prequalification
and
Management
of change

NO HOT
WORKS AREA NO MOBILE
PHONES
DANGER
NO ENTR Y
AUTHORISED LY
PERSONNEL ON

Ex-zone 2

DANGER

NO ENTR Y
NO HOT AUTHORISED NO MOBILE
Ex-zone 0 WORKS AREA PERSONNEL ON LY PHONES

Preventative
Maintenance

Non-destructive testing

Control system

High liquid level

Min. liquid level

Ultrasonic thickness
measurements

Tank is earthed