The Nextec Engineering team have experience undertaking Functional Safety Assessments, including Safety Integrity Level (SIL) determination through, SIL Workshops using Risk Graph and Layers of Protection Analysis (LOPA) for Electrical/Electronic/Programmable Electronic (E/E/PE) systems in line with IEC Standard 61508. Projects have included SIL determination for Crossrail, Riyadh Metro and a wide range of Oil and Gas projects.

A number of SIL verification and validation studies have been undertaken, including most recently on the Intelligent Infrastructure project.