Safety Considerations Guide, Tricon v9.0 - Tuv-fs.com

14 Hazard and Risk Analysis7 Define procedures for the following:• Start-up• Operations• Maintenance, including administrative controls and written proceduresthat ensure safety if a process is hazardous while an SIS function is beingbypassed• Training that complies with national regulations (e.g., OSHA 29 CFR1910.119)• Functional testing to detect covert faults that prevent the SIS fromoperating according to the SRS• SIS testing, including:– Sensors– Logic solver– Final elements (e.g., shutdown valves, motors, etc.)8 To ensure that no unauthorized changes are made to an application program, asmandated by OSHA 29 CFR 1910.119, follow management of change (MOC)procedures.9 To ensure proper review, decommission an SIS before its permanent retirementfrom active service.Tricon Safety Considerations Guide