Why Safety Is Never 'Installed and Forgotten'
Safety Instrumented Systems (SIS) are the last line of defense against catastrophic process incidents — a gas compressor overspeed trip, a high-high pressure shutdown, an emergency blowdown sequence. The critical question is not only whether the system was correctly designed when it was commissioned, but whether it remains fit for its Safety Integrity Level (SIL) throughout its operational life. That requires a systematic safety lifecycle approach — exactly what HIMA Smart Safety Services delivers.
HIMA's 7-Step Safety Lifecycle
HIMA structures its safety services around the IEC 61511 / IEC 61508 functional safety lifecycle — a systematic framework covering every stage from hazard identification through to decommissioning.
Process Hazard Analysis (PHA / HAZOP)
Structured identification of process hazards and operability issues. HIMA-certified engineers facilitate HAZOP and What-If studies, documenting initiating causes, consequences, and safeguards.
SIL Determination (LOPA)
Layer of Protection Analysis to determine the required Safety Integrity Level for each Safety Instrumented Function (SIF). Provides a defensible, documented basis for SIL targets.
Safety Requirements Specification (SRS)
Formal documentation of each SIF's functional requirements, safety action, response time, demand rate, and PFD target — the contract between process engineering and the SIS.
SIS Design & SIL Verification
Architecture selection, SIL verification (PFD calculation via Markov, fault tree, or simplified method), and full IEC 61511 design documentation.
FAT, Installation & Commissioning
Factory Acceptance Testing, site installation support, and structured commissioning with pre-startup safety reviews.
Proof Testing & Maintenance
Proof test procedure development, test interval optimization, and proof test witnessing to maintain SIL coverage through the lifecycle.
Safety Audits & Management of Change
Periodic safety lifecycle audits, functional safety assessments, and Management of Change (MoC) reviews to maintain IEC 61511 compliance as the plant evolves.
HIMA HIMax — The Platform Behind the Services
HIMA safety services are naturally paired with the HIMax safety controller — one of the world's most widely installed SIS platforms in the Oil & Gas and petrochemical sectors. HIMax is TÜV-certified to SIL 3 and features a unique X-MIO architecture where input/output modules are distributed independently of the central processors, providing the highest availability through hot-standby redundancy without single points of failure.
Critically, HIMA safety services are not hardware-locked. HIMA's functional safety engineers can perform SIL verification, proof test development, and safety audits on existing SIS platforms from other manufacturers — making them a neutral, independent safety lifecycle partner across a mixed-vendor plant.
Key Sectors in Egypt
Upstream Oil & Gas — wellhead, manifold, and separator safety systems
Gas processing plants — emergency shutdown and blowdown systems
LNG and gas compression — compressor anti-surge and ESD
Refineries — hydrocracker and distillation column SIS
Petrochemical plants — reactor protection systems
Power generation — turbine and generator protection
Why Choose HIMA Safety Services Through ASSET?
ASSET is the authorized representative of HIMA in Egypt. Our partnership means Egyptian operators and EPCs have direct, local access to HIMA's technical resources, including certified functional safety engineers, factory spare parts, and HIMA Smart Safety Services engagements — without relying on regional or European project offices.
We have supported Egyptian OPCOs in the procurement and commissioning of HIMax systems, and our engineers are positioned to facilitate HAZOP and SIL studies, proof test procedure development, and periodic safety lifecycle audits working alongside HIMA's technical teams.
Schedule a Safety Lifecycle Assessment
Whether you need a HAZOP facilitation, SIL verification, or a full safety audit — ASSET and HIMA can help.