Functional Safety Solutions


  • Design a functional safety plan covering all phases of the safety life cycle that a site or plant can uniformly follow.

  • Visually determine organization of personnel roles contributing to the safety life cycle as well as assignments to life cycle phases.

  • Perform Functional Safety Assessments on safety systems with documented qualified competent personnel at any stage of the safety life cycle.

  • Track automatic Functional Safety Assessments results in KPI metrics that compare health of assessed systems across sites.

  • Instantly access the documented information of safety systems required during a Functional Safety Assessment with integrated links to hazard identification, SRS, and operations data.


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Designed to be the successor to legacy PHA/HAZOP software tools, the HAZOP Module not only offers an intuitive Human-Machine Interface (UI) to accelerate HAZOP studies and quickly view HAZOP data, but gives organizations the ability to standardize their processes. Instant reports reduce the cost of 3rd party experts, and the underlying data allow SMEs the ability to study how the organization executes risk management.

  • Facilitate HAZOP studies directly in SLM or import HAZOP data from other sources
  • Configure HAZOP facilitation tables to company standards and procedures
  • Conduct project HAZOPs with option to include the results with the HAZOP of record
  • View HAZOP risk assessment results by different levels of scope, such as plant, area, and unit
  • Configure and organize user interface tables to fit style preference
  • Link process equipment to HAZOP scenarios to determine equipment at risk
  • Plot hazardous scenarios on SLM’s Dynamic Risk Matrix
  • Link HAZOP scenarios to LOPA module scenario data
  • Link safeguarding barriers with protective systems identified in later Safety Lifecycle modules
  • Track HAZOP recommendation gap closures
  • Automatically generate Barrier lists as HAZOP scenarios are documented
  • HAZOP Facilitation Report that lists all HAZOP Nodes, Deviations, and Scenarios in one complete output to review, email, print, and share with your team or across the organization
  • HAZOP Recommendations Report that shows all recommendations from a HAZOP in a simple filterable display to help identify the areas of highest priority for resolution and further study
  • Generate Critical Equipment List Report that quickly identifies which equipment is critical to plant safety and how that equipment is covered
  • Generate Action Items for further analysis or study by the HAZOP team directly from any recommendations, then assign and track the item it to closure
  • Initiate HAZOPs directly from the plant hierarchy at the unit level to quickly start HAZOP studies and drive operational awareness
  • HAZOP study approval process with email notification


The following Data and Reports are part of the SLM V2 core HAZOP Module.

Managed HAZOP Data :

  • HAZOP Studies by Site, and Operational Unit
  • HAZOP Study Types (HAZOP of Record,  Project, Re-Evaluation)
  • HAZOP Dynamic Risk Matrix
  • HAZOP Dynamic Risk Report
  • Study Properties
  • Team Participants
  • Sessions
  • Nodes
  • Study Equipment
  • Deviations
  • Scenario Causes
  • Scenario Consequences
  • Scenarios with Suggested Safeguards and Recommendations
  • HAZOP Recommendations
  • HAZOP Safeguards
  • HAZOP Report
  • HAZOP Approval Workflow

HAZOP Reports:

  • Approved HAZOP Study List Dynamic Risk Matrix
  • HAZOP Critical Equipment List
    1. HAZOP Inherent Risk Chart
    2. HAZOP Recommendations
    3. HAZOP Re-Evaluation Timeline
    4. HAZOP Review
    5. HAZOP Safeguard List
    6. HAZOP Scenarios Requiring LOPA vs. LOPAs Performed


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    The LOPA Module provides intuitive worksheets to standardize the LOPA process and conduct IPL Assessments. The Dynamic Risk Matrix is configurable and offers real-time risk monitoring and identification. Instant reports and KPIs reveal unmitigated risks to allow IPL gap closure scheduling and progress. These reports offer unprecedented review of risk mitigation strategies.

    • Facilitate LOPA studies directly in SLM or import LOPA data from other sources
    • Configure LOPA data library tables to company standards and procedures
    • Create LOPAs from previously saved LOPA templates
    • Link LOPA scenarios with recorded HAZOP module scenarios
    • Use same list of barriers as HAZOP module for LOPA scenario mitigation
    • Automatically calculate barrier target requirements as LOPA scenarios are documented
    • Automatically calculate expected demand rates on barriers
    • Combine barrier target requirements across multiple scenarios using the same barrier
    • View barrier diagrams displaying sequence of threat propagation through barriers
    • Schedule and track scenario and barrier gap closure
    • Plot LOPA scenarios on SLM’s Dynamic Risk Matrix showing effect of invalid/inadequate barriers, with option to toggle results to include effects of barriers currently in bypass status
    • Link IPL barriers with actual protective systems designed to meet barrier target requirements
    • Automatically generate barrier registers from LOPA data
    • Track LOPA and barrier recommendations
    • Generate Action Items from LOPA recommendations that are automatically added to the Action Item Tracker to ensure all recommendations are mitigated and addressed in a timely manner.
    • Generate Critical Equipment List to provide a list of “equipment at risk” identified during a LOPA Study along with the highest risk in each of the equipment's associated LOPA Sheets.
    • Filter reports of LOPA scenarios to find specific scenarios containing specific barriers, types of barriers, equipment, and level of severities
    • Generate LOPA Recommendations Report to review all recommendations documented within a LOPA Study


    The following Data and Reports are part of the SLM V2 core LOPA Module.

    Managed LOPA Data:

    • LOPA Dynamic Risk Matrix
    • Risk Gap Report Planed Risk Reduction by Year
    • LOPA Equipment Listing
    • IPL Register (Enterprise, Site and Unit)
    • Credited IPL Register (Site, Unit)
    • LOPA Recommendations (Site, Unit)
    • LOPA Studies
    • LOPA Worksheets
    • PHA Consequences and Risk Target
    • Frequency Modifiers
    • Initiating Causes (IC) x Frequency Modifiers
    • Independent Protection Layers (IPLs)
    • Probability of Failure on Demand (PFD) of SIF
    • Potential Risk Reduction Measures
    • Remaining Risk Reduction Factor (RRF) with Recommendations
    • Notes, Comments, Calculations
    • IPL Study Tasklists
    • LOPA Recommendations and Action Items

    LOPA Reports:

    • Credited IPLs vs. Recommended IPLs
    • Dynamic Risk Matrix
    • IPL Assessment Overview
    • IPL Credit Breakdown
    • IPL Credit By Unit Type
    • LOPA Critical Equipment List
    • LOPA IPL Register
    • LOPA Recommendations
    • LOPA Sheets with Open Recommendations
    • LOPA Worksheets List
    • Safety Critical Instrument List

    BowTie Barrier Assurance

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    The Bow Tie Module incorporates existing hazard analysis data to facilitate Risk Analysis and Risk Assessments on mitigative and preventive barriers. Bow Tie analysis is becoming increasingly common at communicating important risk mitigation measures for a wide range of facilities. Integration with the evergreen data in the LOPA Module ensures analysis is using the most up-to-date risk information. Bow Ties provide a visual and interactive experience; allowing users to identify preventive and mitigating barriers. With the barrier assurance workflow, users have a complete picture of all barrier levels to determine the total risk of a hazardous event within the plant.

    • Automatically create Bow Ties using existing LOPA data
    • Data linkage to other modules
    • Bow Tie analysis assessment checklist
    • Intuitive graphical interface
    • Add unlimited threats, mitigations, and consequences to the top hazard event
    • Export via PDF or Excel
    • Barrier Assurance checklists and workflows


    The following Data and Reports are part of the SLM V2 core BowTie Barrier Assurance Module.

    Managed BowTie Barrier Assurance Data:

    • Hazard
    • Causes
    • Preventative Barriers
    • Barrier Assurance Checklists for Preventative Barriers
    • Consequences (Type, Effectiveness, Criticality)
    • Mitigation Barriers (Type Effectiveness, Criticality)
    • Barrier Assurance Checklist's for Mitigation Barriers
    • Bow Tie Task Lists

    BowTie Barrier Assurance Reports:

    • Bow Ties
    • Bow Ties Fit For Service Results

    Functional Safety Assessments (FSA)

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    The SLM Functional Safety Assessment module allows for execution of Stage 1 through Stage 5 FSAs in a standardized format ensuring consistency throughout the organization. The FSA Module defines requirements for an FSA and then use the application to improve the effectiveness and efficiency of execution.

    The integration of all Safety Life Cycle data provided by SLM also allows for effective integration of FSA data with other critical data such as HAZOP and LOPA studies, Safety Requirements Specifications and SIS performance.

    • Perform FSAs
    • Perform site assessments
    • Perform SIS audits
    • Standardize or modify FSA checklists
    • Track completion using checklists for self and external SIS assessments
    • Compare self-assessments with external assessments
    • Track Action Items identified during execution of FSA
    • Automatically generate FSA Final Report


    The following Data and Reports are part of the SLM V2 core Functional Safety Assessments Module.


    • Functional Safety Plan
    • Organogram of Safety Plan and Roles
    • FSA Overview
    • Self Assessment Overview
    • SIS Audit Overview
    • KPI CAS Overview
    • 3 Stage, 4 Stage, 5 Stage FSA Workflows
    • Action Item Assignment and Resolution
    • Participants
    • Introduction and Summary
    • Checklists
    • Interviews


    • Functional Safety Plan Report
    • Functional Safety Assessment Report
    • FSA Checklists Completion
    • FSA SSRS Final Report

    Instrumented Systems

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    The Instrumented Systems Module documents instrument-related protection systems and associated Sensor/Final Element voting structures, culminating in evergreen Safety Requirement Specifications (SRS), SIL Verification, and automatically compiled Cause & Effect Matrices.


    • Record engineering data for instrument-related risk protection systems
    • Automate generation of protective systems registers with differentiation between kinds of systems
    • Link safety functions to LOPA scenarios
    • Identify safety critical instrumentation with linked risk scenario data
    • Automate incorporation of design checklists during system identification/design
    • Configure, build, edit and view SRSs
    • Track SRS completion with automated completion KPI
    • Build instrumented system architectures with sensor/final element voting structures
    • Execute SIL calculations on instrumented systems with SLM’s TUV-certified SIL Calc engine
    • Evaluate SIL calculation results from multiple failure rate sources at once
    • Utilize prior use component failure rates in the SIL calculations from compiled event data in SLM’s Operate/Maintain module
    • Optimize system component testing requirements with sensitivity graphs
    • Compare SIL calculation results with calculated target requirements from risk scenario data
    • Render the system’s architecture in a function diagram displaying logical view of the system’s sensor and final element voting
    • Save well-designed systems as templates to use in other operational areas
    • Generate cause & effect matrices automatically from designed instrumented system


    The following Data and Reports are part of the SLM V2 core Instrumented Systems Module.

    Managed Instrumented Systems Data:

    • Function Type Summary (Enterprise, Site, Operating Unit)
    • Associated IPL's
    • Associated Documents
    • Alarms
    • BPCSs
    • Cause & Effect Matrices
    • Equipment
    • Interlocks
    • SIFs
    • SIL Calc Summary
    • Performance
    • Operation
    • Aux Functions
    • Testing/Faults
    • Instrument Inputs
    • Instrument Outputs
    • I/O Sensitivity
    • PFD by Type
    • RRF by Type
    • LOPA References
    • Associated Documentation
    • SIF SRS Printout
    • SISs
    • Functional Requirements
    • Design Requirements
    • Testing Requirements
    • LOPA References
    • Associated IPL's
    • Task Lists and Summary's
    • Input Lists
    • Output Lists

    Instrumented Systems Reports:

    • Alarm Asset Protection Category Report
    • Alarm Group Asset Protection Category Report
    • BPCS Asset Protection Category Report
    • Document List
    • Function Type Summary
    • Generic SIF Templates
    • Input/Output Asset Types
    • Interlock Asset Protection Category Report
    • SIF Asset Protection Category Report
    • SRS Completion
    • SIF Printout / Report (SSRS)

    Action Item Tracker

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    The Action Item Tracker Module is a centralized location where users can log and access assigned action item information from all modules for follow-up and reporting. Data relating to the action item is linked across modules and readily available for reference purposes.

    • Filterable data on enterprise Action Items
    • Configurable dashboard and KPI reporting
    • Single Source of Knowledge for Action Item Status
    • Convenient access to related actions
    • Custom fields and configurable Action Item list
    • Integration with in-house solutions
    • Mobile solutions
    • Reporting and file attachments
    • Stand Alone Action Items allow for creation of independent action items that utilize the built-in notification system to assign items to system users


    The following Data and Reports are part of the SLM V2 core Action Item Tracker Module.


    • Action Item Assignment
    • Action Item Dashboard
    • Personnel Assignment
    • Open Action Items
    • Closed Action Items
    • Action Id
    • Date Created
    • Category
    • Status
    • Action
    • Reference Contact
    • Linked Object Reference



    • Action Items Assigned
    • Open Action Types
    • Action Item Summary

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