Engineering services designed to assist SIS Engineers, I&C, and PSM personnel develop and maintain the safety systems that detect out-of-control process conditions, and automatically return the process to a safe state in accordance with ISA/IEC 61511 Functional Safety – Safety Instrumented Systems for the Process Industry Sector and OSHA Process Safety Management (PSM) Standard 29 CFR 1910.119 standards .

SIL Verification

SIL Verification includes determination of probability of failure on demand, spurious trip rates, and other performance metrics. SIL Verification considers the type of equipment employed, advanced voting arrangements, diagnostics, and testing frequency. Once SIL Selection (performance target) is completed (usually using LOPA), achievement of the SIL Selection is verified using SIL Verification.

SIL Verification can be calculated easily with our database in Vertigo™ SIS Safety Lifecycle software.

Test Plan Development, Optimization, and Verification

Test Plan Development, Optimization, and Verification ensure the ongoing integrity of a SIS throughout its lifecycle requires vigilant maintenance and testing practices that are aligned with the risk analysis assumptions and requirements specifications.

…read more on Optimizing Effort and Reducing Operating and Turnaround Cost 

Functional Safety Assessment

Engineering service to verify that the SIS is designed in compliance with the ISA/IEC 61511, OSHA PSM 1910.119, and best practices of peer organizations.

Site Acceptance Testing/Validation

Provide qualified engineers for each step in Pre-Startup Acceptance Testing in accordance with OSHA Process Safety Management (PSM) Standard (29 CFR 1910.119), the EPA Risk Management Program rule (40 CFR 68), and ISA/IEC 61511 Functional safety – Safety instrumented systems for the process industry sector to verify as builds meet the Safety Requirements Specification.

Safety Requirements Specification

Engineering service provides all of the requirements developed during the risk analysis and conceptual design phases of the safety lifecycle, and other safety critical requirements, collected and presented in a design basis document referred to as SRS.

SRS data can be maintained easily throughout an SIS lifecycle with Vertigo™ SIS Safety Lifecycle software.

Continuing Engineering Support

Continuing Engineering Support provides either a service or seconded (contract) employee. Companies can take advantage of contracting an SIS or PSM expert with the backing of Kenexis for extended periods to function as part of an engineering team. Or companies can take advantage of the same Kenexis staff  to function as a service to provide the same functions as an independent third party.

In either role, Kenexis staff serves as an advocate of the safety control, alarms, and interlocks (SCAI) asset base for the client (including safety instrumented system (SIS), fire and gas detection systems, and critical alarms). The position works cross-functionally to advocate for best practices in the selection, implementation, and maintenance of the SCAI asset base to ensure that regulatory, production, and optimization objectives are met.

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