Page 65 - Critical Control flipbook_Neat

Liquid Fuel Fire

1 What is the name of the 2 What are its specific objectives related to the Priority Unwanted
Event (PUE)?
critical control for Liquid
Fuel Fire?
Explosion Mitigation and Firefighting Having an adequately designed explosion prevention and mitigation system with fire
fighting capabilities to limit the extent of the damage and further propagation

3 What are the critical 4 What are the activities 5 What can be sampled from
control performance
the set of activities for
within the management
requirements to meet the systems that support verification, providing a
objectives? having the critical control clear image of the critical
able to do what is required? control status?
Low flash point fuels - storage tank Scheduled preventative maintenance Flame arrester maintenance records for
vents have a certified flame arrester. and inspection routine in CMMS as per defects
Flame arrester maintained as per the manufacturer’s requirements / Corporate
manufacturer’s recommendation CEM guidance

Vents directed to non hazardous areas, Occupied buildings are identified, Field verification of vents directed
away from occupied buildings or ventilation drawings with air intakes towards occupied buildings or air intakes
personnel access areas

Fully developed automatic fire detection Fire detection and fire risk management Fire detectors types, positions and
process, risk assessments, and documents locations
AFR Fire Protection manual
Maintenance and testing of fire detection
systems are in CMMS
Low flash point fuels - Automatic fire AFR Fire Protection manual Required capacity and pressure vs actual
fighting Maintenance and testing of fire fighting Fixed foam fire fighting installation for
a. Automatic detection systems are in CMMS low flash point fuels with fully automatic
b. Manual push button activation detection and activation
c. Activate firefighting system (foam)
d. Adequate pumping capacity
*Applicable to storage over 10m3 or 10,000L
Regular inspection, testing and Scheduled inspection, testing Percentage of inspection or PM
maintenance of fire fighting system and maintenance in CMMS as per completion rate
international codes such as NFPA Number of defects found during
Annual performance testing (Flow & inspection and PMs. (This should be
Pressure) documented in CMMS)
All the fuel systems are equipotential Site lightning protection system Number of defects found during earth
bonded/earthed/grounded with Site earthing/equipotential bonding impedence testing (CMMS)
adequate lightning protection drawings Required impedence values vs actual
Earth impedence testing in CMMS

6 What is the target performance for critical 7 What is the critical control performance
control?
trigger for shutdown, critical control review or
investigation?
Both explosion protection and fire fighting system to be Failed/inadequate Certified Equipment during Inspection.
adequately sized and designed according to standards. All the Unauthorised deferment of inspection or maintenance without
inspection, maintenance and testings are carried out as per ISO/ Plant Manager’s written authorisation
EN 14491 Standard and NFPA

Creation date: 01/2021 • The latest and only controlled version of this document is available on the HSE intranet.
© 2021 Holcim - For internal use only