Case Studies

Consultancy Services: Hardware Verification

Plant: Tank Farms

Case Study: Prosalus took part in the Tank Storage Association CDOIF project to develop the latest guidance on Prior Use based on IEC 61511 2nd Edition for hardware and Fixed Programmable systems. We developed the worked examples for the guidance to enable end users to apply the process.

Consultancy Services: Functional Safety Assessment (FSA) - IEC 61508 / IEC 61511

Plant: FPSO

Case Study: ProSalus has acted as the Independent FSA on a number of FPSO projects around the world covering the requirements of FSA Stage 1, 2 and 3 against the relevant functional safety standards to provide assurance to the regulator, verification body, operator, owner, customer and system deliver that the required Safety Integrity has been achieved and can be maintained for the mission time of the facility.


Consultancy Services: Functional Safety Assessment (FSA) - IEC 61508 / IEC 61511

Plant: Gas Terminals

Case Study: ProSalus has acted as the Independent FSA on a number of existing Gas Terminals around the UK covering the requirements of FSA Stage 1, 2 and 3 for major new projects and carrying out FSA Stage 5 on small plant modifications and supporting the operations and maintenance teams by carrying out the FSA Stage 4 against the relevant functional safety standards including the CDOIF requirements to enable clients provide assurance to the regulator that the required Safety Integrity has continued to be achieved and will be maintained for the mission time of the facility.


Consultancy Services: Functional Safety Assessment (FSA) - IEC 61508 / IEC 61511

Plant: Oil Terminals

Case Study: ProSalus has acted as the Independent FSA on a number of existing Oil Terminals around the UK covering the requirements of FSA Stage 1, 2 and 3 for SIL 2/3 High Integrity Protection Systems (HIPPS) against the relevant functional safety standards requirements to enable clients to provide assurance to the regulator and verification bodies that the required Safety Integrity has been achieved and will be maintained for the mission time of the facility.


Consultancy Services: Functional Safety Gap Analysis - IEC 61508 / IEC 61511

Plant: Gas Terminals

Case Study: ProSalus has carried out a number of FS Gap Analysis studies for existing Gas Terminals around the UK covering the requirements of IEC 61511 and assisted clients to develop their FS management systems to provide assurance to the regulator that the required Systematic Integrity can be achieved and will be maintained for the mission time of the facility.

Consultancy Services: Functional Safety Gap Analysis - IEC 61508 / IEC 61511

Plant: Systems Integrator.

Case Study: ProSalus has carried out a number of FS Gap Analysis studies on system integrators who supply functional safety related services and assisted them to develop their FS management systems to provide assurance to the customer of their Systematic Capability.

Consultancy Services: Functional Safety Capability Assessment - IEC 61508

Plant: Original Equipment Manufacturer (OEM)

Case Study: ProSalus has carried out a number of FS capability assessments for OEMs on sub system devices that are to be put into service as safety related systems. The Output report verifies that the target SIL is achieved for the device with respect to Systematic Capability, Hardware Integrity, Hardware Fault Tolerance and provides assurance to the customer of the achieved SIL for the sub system device as apart of the overall safety related system.


Consultancy Services: Cyber Security.

Plant: Tank Farms

Case Study: Prosalus took part in the CDOIF project to develop Cyber Security guidance for Senior Managers on behalf of the Tank Storage Associated.


Consultancy Services: Cyber Security Risk Assessment

Plant: Agrochemical

Case Study: Prosalus facilitated an initial security risk assessment for an agrochemical plant with each unit being initially broken down into zones to determine the required security posture for each of the zones and identifying the vulnerabilities, threats and threat vectors for each of the units.

Consultancy Services: Cyber Security Risk Assessment

Plant: Energy

Case Study: Prosalus carried out an system audit and facilitated an initial security risk assessment for a steam generation plant with the output report including the segregation of the plant into zones identification of the vulnerabilities, threats and threat vectors and current security posture.

Consultancy Services: Cyber Security Risk Assessment

Plant: Gas

Case Study: Prosalus carried out an system audit and facilitated an initial security risk assessment for a Gas terminal with the output report including the segregation of the plant into zones identification of the vulnerabilities, threats and threat vectors and current security posture.


Consultancy Services: Functional Safety Assessment (FSA) - IEC 61508 / IEC 61511

Plant: LNG Retail Terminal

Case Study: It is a requirement of the European regulator that an independent FSA is carried out on LNG Retail Terminals against the relevant functional safety standards. ProSalus have completed a number of these assessments around Europe to provide assurance to the regulator, customer and system deliver that the required Safety Integrity has been achieved and can be maintained for the mission time of the facility.


Consultancy Services: Independent Safety Assessor (ISA) - IEC 61508 / IEC 62061

Plant: Nickel Mine Winder Systems

Case Study: It is a requirement of the Mining regulator in Australia that an independent FSA is carried out against the relevant functional safety and mining standards, were instrumentation and programmable are applied. ProSalus acted as the Independent Safety Assessor for the Skip Winder project and following completion have been awarded the contract for the Cage Winder Project.


Consultancy Services: Machinery Risk Assessment - ISO 12100

Plant: AgroChemical

Case Study: ProSalus carried out an ISO 12100 machinery risk assessment on a filling line to identify the required guarding and protection requirements for the machine to meet UK requirements. The report included an improvement plan for the machine.


Consultancy Services: Machinery Risk Assessment - ISO 12100 / ISO 13849 / IEC 62061

Plant: Agrochemical

Case Study: ProSalus carried out an ISO 12100 machinery risk assessment on an Drum Flaker system to identify the required guarding and protection requirements including a determination of the required SIL / Performance Level for the protective devices and logic design.


Consultancy Services: PUWER 1998 Assessment

Plant: Chemical

Case Study: ProSalus carried out a PUWER Assessment on two existing filling and packing lines to identify if the existing guarding and protection met the current UK requirements and provided a report detailing the guarding and protection requirements including the relevant B1 and B2 standard requirements


Consultancy Services: Hardware Verification

Plant: Oil and Gas

Case Study: ProSalus carried a detailed Verification calculation for a valve manufacturer to provide verification that from a hardware perspective the valve met the target hardware integrity in terms of achieved average probability of failure on demand.


Consultancy Services: Verification

Plant: Oil and Gas

Case Study: ProSalus carried out a review of the proof testing strategy and procedures for an offshore and onshore facility for a major Oil and Gas client to determine the potential achieved proof test coverage for a number of loops in response to a request from the UK regulator.