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www.xodusgroup.com
Process Saety
Xodus Group provides world-leading consultancy supportin process saety, ranging rom individual studies to a ully
integrated process saety assurance service.
Working with mature assets we help to
manage process integrity and process
saety. For new eld developments we
provide assurance that process saety
requirements are delivered. Overall process
saety is achieved by having well designed
plant, clearly dened procedures and
competent people all working eectively.
TSR
www.xodusgroup.com
Process saety is a key area in the
upstream and downstream oil and
gas industries. Prevention o loss o
containment or equipment damage is
particularly critical given the outage
and capital costs, and the escalation
consequences o loss o containment.
There is no standard denition o
process saety in the industry. Xodus
sees process saety as being all o the
elements o a process plant aimed at
avoiding adverse deviations that could
create equipment damage or loss o
containment. We consider process saety
to be a key element o the ault tree side
o bow tie analysis.
Process safety is a critical preventive element of oil and gas plant majorhazard management.
Process
saety
Corrosion
management
Maintenance
and inspection
Permit to work
etc.
Escalation and
recovery
Fault tree side Event tree sideBow Tie Analysis
Major event
ailure
All elements must be working well todeliver process safety.
Design integrity
Operating
procedures
Competence
assurance
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For more inormation contact:Colin McWhirr /Director TSR/[email protected] /+44 (0)1224 628310
Alistair Porter /Director Process & Facilities/[email protected]/+44 (0)1224 628309
www.xodusgroup.com
This paper pulp is bleached using an Elemental Chlorine Free (ECF) process and is produced at a mill that is certied with the ISO14001 environmental management standard. 8469 a01 Oct 2010
Critical process integrity inormation
we deliver:
Basis o design
Process saeguarding design
philosophies
Process saeguarding fowschemes
As-built P&IDs
As-built cause & eects
Alarm and trip schedules
Loop diagrams
Line lists
Sae operating envelopes
Operating procedures
Alarm response procedures
Process emergency response
procedures
HIPPS dossier
Register o saety related devices LO/LC registers
Hazardous/non-hazardous systems
review
Equipment data sheets
Relie & blowdown review
Process models
Process calculations
Containment perormance standards
and verication schemes
Areas o work we undertake:
Critical assurance activities
HP/LP interace review Hazop/process hazard analysis
Design review/variance analysis
Layers o Protection Analysis (LOPA)
SIL assessment
Test interval analysis
HIPPS ormal saety assessments
Saeguarding reliability analysis/QRA
BS/EN/61511 management o
unctional saety
Verication o process containment
saety critical elements
Alarm prioritisation review
Human actors review
Process saety audit
Commissioning and unction testing/
benchmarking
Critical support processes:
Management o change
Competence assurance
Process simulator development
Operator response training
Process saety is only one element, buta critical one, o overall major accident
hazard management.
Process safety layers of protection bullseye.
Relie valves
Interlocks &
LO/LC
Other non-
instrumented
saeguarding
devices
Trip systems
PCS/ESD/TPS/
HIPPS system
Alarm response
procedures
Operatingprocedures
Inherent saety
Control loops
& tuning set
points
Dynamic
simulation
P&IDs/line lists/
data sheets
Competenceassurance
Operator interace
Mechanical/other
saeguarding
Process control
Instrumented
saeguarding
Design envelope
Alarm response
Processsimulation/
model
Manage major accident process hazards
Prevent loss of containment
equipment damage
Control and recovery from
loss of containment
Process
envelopemechanical
integrity
Process
envelope,process
integrity
= process
safety
Corrosion
managementsystem
Fire,
explosionand toxic
release
management
Emergency
responsearrange-
ments
F&G detection, emergency
shutdown, emergency
blowdown, active and passive
fire protection, emergency
power, TR and EER systems
Piping design
Vessel design