Safety Instrumented System

Functional Safety Services offered:

Safety Life Cycle Scope 

Functional Safety Lifecycle Planning and Management per ISA 84/IEC 61511

Audit and Assessment of Existing Functional Safety Lifecycle Management Activities

 Safety Studies Including Layer of Protection Analysis (LOPA), Hazard Analysis/Risk Assessments

Provide independent team to conduct Functional Safety Assessment (FSA)

Cybersecurity Assessment for Industrial Control Systems/Critical Structure  

SIL Calculations  

Conceptual Process Design  

Safety Requirement Specifications (SRS)

Functional Requirements: 

Safe State, PST calculation, SIF response time, Auxiliary actions, Startup overrides, Trip settings, Alarm IPL Response Action, Spurious trip, Reset, Maintenance Bypass, Environmental conditions  

Integrity Requirements:

Required SIL, Proof test requirements and procedure, Mode of operation 

FAT and SAT  

Field Engineering and Device Selection  

PLC Configuration  

Construction Work Packages  

Construction Management  

Commissioning Support  

As-Built Documentation