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Health and Safety Executive

Pumps

The failure modes associated with Pumps are:

Design Fault
External Event
Fire/Explosion
Human Error
Impact

Loss of Utilities
Maintenance Faults
Overheating
Overpressurisation
Wrong/Defective Equipment

The technical measures that may be appropriate for each of these failure modes are identified in each of the above links.

Design fault measures

Measures to prevent, control or mitigate major accidents involving design fault effects of Pumps are:

Prevention	Control	Mitigation
Design Codes - Plant	Inspection	Emergency Response
	Leak Detection	Isolation
		Plant Layout (Escalation)
		PPE
		Secondary Containment
		Spill Treatment

External event measures

Measures to prevent, control or mitigate major accidents involving external event effects of Pumps are:

Prevention	Control	Mitigation
Design Codes - Plant	Flood Protection	Emergency Response
	Relief Systems	Isolation
		Plant Layout (Escalation)
		PPE
		Secondary Containment
		Spill Treatment

Fire/explosion measures

Measures to prevent, control or mitigate major accidents involving fire/explosion effects of Pumps are:

Prevention	Control	Mitigation
Design Codes - Plant	Active Fire Protection	Emergency Response
Hazardous Area Classification	Flameproofing	Isolation
	Passive Fire Protection	Plant Layout (Escalation)
		PPE
		Secondary Containment
		Spill Treatment

Human error measures

Measures to prevent, control or mitigate major accidents involving human error effects of Pumps are:

Prevention	Control	Mitigation
Maintenance Procedures	Alarms	Emergency Response
Operating Procedures	Control Systems	Isolation
	Training	Plant Layout (Escalation)
		PPE
		Secondary Containment
		Spill Treatment

Impact measures

Measures to prevent, control or mitigate major accidents involving impact measures effects of Pumps are:

Prevention	Control	Mitigation
Lifting Procedures	Crash Barriers	Emergency Response
Maintenance Procedures	Traffic Control	Isolation
Operating Procedures	Training	Plant Layout (Escalation)
Permit to Work		PPE
		Secondary Containment
		Spill Treatment

Loss of utilities measures

Measures to prevent, control or mitigate major accidents involving loss of utilities effects of Pumps are:

Prevention	Control	Mitigation
Design Codes - Plant	Alarms	Emergency Response
Maintenance Procedures	Back-Up Supplies	Isolation
Operating Procedures	Training	Plant Layout (Escalation)
		PPE
		Secondary Containment
		Spill Treatment

Maintenance faults measures

Measures to prevent, control or mitigate major accidents involving maintenance faults effects of Pumps are:

Prevention	Control	Mitigation
Maintenance Procedures	Inspection	Emergency Response
	Leak Detection	Isolation
	Permit to Work	Plant Layout (Escalation)
	Training	PPE
		Secondary Containment
		Spill Treatment

Overheating measures

Measures to prevent, control or mitigate major accidents involving overheating effects of Pumps are:

Prevention	Control	Mitigation
Design Code - Plant	Alarms	Emergency Response
Maintenance Procedures	Leak Detection	Isolation
Operating Procedures	Training	Plant Layout (Escalation)
	Trips	PPE
		Secondary Containment
		Spill Treatment

Overpressurisation measures

Overpressurisation measures

Measures to prevent, control or mitigate major accidents involving overpressurisation effects of Pumps are:

Prevention	Control	Mitigation
Design Codes - Plant	Alarms	Emergency Response
Maintenance Procedures	Leak Detection	Isolation
Operating Procedures	Relief Systems	Plant Layout (Escalation)
	Training	PPE
	Trips	Secondary Containment
		Spill Treatment

Wrong/defective equipment measures

Measures to prevent, control or mitigate major accidents involving wrong/defective equipment effects of Pumps are:

Prevention	Control	Mitigation
Design Codes - Plant	Control Systems	Emergency Response
	Inspection	Isolation
	Leak Detection	Plant Layout (Escalation)
		PPE
		Secondary Containment
		Spill Treatment

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