Process Safety Process Safety
ManagementManagement
Initial Initial
TrainingTraining
Highly Hazardous Highly Hazardous
Chemicals (HHCs)Chemicals (HHCs)
A HHC is any substance that is:A HHC is any substance that is:
•ToxicToxic
•ReactiveReactive
•FlammableFlammable
•ExplosiveExplosive
1a
When released, HHCs have the When released, HHCs have the
potential to cause potential to cause
catastrophic catastrophic
incidents incidents
resulting in resulting in
injury/deathinjury/death
1c
Highly Hazardous Highly Hazardous
Chemicals (HHCs)Chemicals (HHCs)
Process technologyProcess technology
A comprehensive assessment of A comprehensive assessment of
a particular processa particular process
Materials used in the processMaterials used in the process
Complexity of the processComplexity of the process
2a
Process technologyProcess technology
Age of the processAge of the process
Past history of the processPast history of the process
Maximum inventory levels for Maximum inventory levels for
process chemicalsprocess chemicals
2b
Process technologyProcess technology
Extent of the process hazardsExtent of the process hazards
Number of potentially effected Number of potentially effected
employeesemployees
2c
Process equipmentProcess equipment
Use equipment adequate for the Use equipment adequate for the
tasks performedtasks performed
Materials of constructionMaterials of construction
Piping and instrument diagramsPiping and instrument diagrams
3a
Process equipmentProcess equipment
Electrical classificationElectrical classification
Relief system designRelief system design
Ventilation system designVentilation system design
3b
Process equipmentProcess equipment
Design codes and standardsDesign codes and standards
Safety systems, such as Safety systems, such as
interlocks, detection, interlocks, detection,
suppressionsuppression
3c
Operating proceduresOperating procedures
Provide clear instruction for Provide clear instruction for
safely conducting all safely conducting all
activities in a activities in a
processprocess
4a
Operating proceduresOperating procedures
Operating procedures must Operating procedures must
address the following:address the following:
•Operating limitsOperating limits
•Safety and health Safety and health
considerationsconsiderations
•Safety systems and Safety systems and
their functionstheir functions
4b
Operating procedures - Operating procedures -
phasesphases
Emergency operationsEmergency operations
Normal shutdownNormal shutdown
Startup following a turnaroundStartup following a turnaround
Startup following an emergency Startup following an emergency
shutdownshutdown
4d
Operating limitsOperating limits
Be aware of the operating limits Be aware of the operating limits
of a processof a process
Operating limits - related issues Operating limits - related issues
may include:may include:
•Voltage limits of the equipmentVoltage limits of the equipment
•Amperage limits of the equipmentAmperage limits of the equipment
•Phase limits of the equipmentPhase limits of the equipment
5a
Operating limitsOperating limits
Questions regarding the process Questions regarding the process
chemical limits might include:chemical limits might include:
Can the equipment handle the Can the equipment handle the
properties of the chemical being properties of the chemical being
used in the process?used in the process?
Does the process maintain the Does the process maintain the
proper physical properties of the proper physical properties of the
chemical?chemical?
5b
Operating limitsOperating limits
Does the process cause the Does the process cause the
chemical to break down?chemical to break down?
Does the process cause the Does the process cause the
chemical to boil or freeze?chemical to boil or freeze?
5c
Safety and health Safety and health
considerationsconsiderations
Safety and health Safety and health
considerations include anything considerations include anything
that is likely to cause:that is likely to cause:
•Acute or chronic health problems; Acute or chronic health problems;
oror
•Process-related injuries or Process-related injuries or
accidentsaccidents
6a
Process safety systemsProcess safety systems
Provide information about safe Provide information about safe
work practiceswork practices
Necessary for controlling Necessary for controlling
hazards during process hazards during process
operationsoperations
7a
Process safety systemsProcess safety systems
Safety systems ensure that:Safety systems ensure that:
•All operating procedures reflect All operating procedures reflect
current operating practicescurrent operating practices
•Changes to processes resulting Changes to processes resulting
from changes in process from changes in process
chemicals are explained chemicals are explained
•Changes in technology, equipment, Changes in technology, equipment,
or the facility are communicatedor the facility are communicated
7b