Safety and environmental standards for fuel storage sites
Final report
191
Challenge to integrity
Lagging indicator
Leading indicator
4 Accidental leakage during tanker
loading*
Number of times there is a leak of
more than 1 litre following product
transfer or any leak during the
transfer
% of STOP observations on
loading bay operations where
drivers are not following
procedures.
% failure of truck API inspections.
5 Tank subsidence
Number of tanks where there is
adverse distortion or movement
Number of tanks inspected to
schedule.
Number of corrective actions
completed to time.
6 Leaks from pumps*
Number of (detectable) leaks from
pumps due to seal failure
Number of product pump vibration
checks undertaken to schedule.
Number of remedial actions raised
following vibration monitoring not
completed.
7 Pump/motor overheating*
Number of times fire loop activated
by overheating of pump/motor
Number of product pump vibration
checks undertaken to schedule.
Number of remedial actions raised
following vibration monitoring not
completed.
8 Corrosion of tanks*
Number of tanks where min
thickness of metal is reached/
exceeded at routine inspection
Number of water draw-offs carried
out to schedule.
Number of tanks exceeding the
scheduled tank inspection interval.
9 High pressure in terminal
pipework during pipeline delivery
Number of deliveries where
terminal pipework pressure
exceeded (5 bar) during pipework
deliveries
Number of job observations
undertaken of terminal staff
carrying out management of
pipeline delivery/terminal
distribution activities (Tell me/Show
me) undertaken on time (more
frequent for newly recruited staff).
Inspection and maintenance of
‘Low MV signal direct’ control loop
carried out to schedule.
10 Static discharge*
Number of static discharges – not
detectable
Number of times inspection of
system maintenance overdue/
shows failures.
Number of times job observations
(tell me/show me) on tank dipping
are completed on time.
11 Physical damage
Number of incident reports referring
to physical damage
Number of drivers not trained as
required.
Number of significant work control
system deficiencies found.
* Denotes the challenges to integrity for which process safety KPIs were selected for monitoring.
Annex 2 Further guidance for human factors practitioners and managers
Control of Major Accident Hazard Regulations 1999
A guide to the Control of Major Accident Hazards Regulations 1999 (as amended). Guidance on
Regulations
L111 HSE Books 2006 ISBN 978 0 7176 6175 6
The safety report assessment manual
Open document under ‘Code of Practice on Access to
Government Information’ HSE
www.hse.gov.uk/comah/sram/s2-7.pdf




