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Process Safety

Engineering the safety layer that protects your people, your process, and your licence to operate.

Overview

Safety by design, not by chance

In pharmaceutical and biotech manufacturing, process safety is not a compliance exercise — it is a fundamental engineering responsibility. A single failure in a safety-critical system can result in harm to people, damage to equipment, environmental impact, and the loss of a manufacturing licence. The consequences of getting it wrong are severe and rarely reversible.

Rockstone Engineering supports life sciences manufacturers to design, implement, and maintain the safety systems that protect their processes and their people. From hazard identification and risk assessment through to Safety Instrumented System (SIS) design and functional safety lifecycle management, we apply rigorous engineering discipline to every safety engagement.

We work alongside process, automation and project teams to ensure that safety requirements are defined early, engineered correctly, and maintained throughout the lifecycle of your facility — not retrofitted as an afterthought.

What’s Included

Process safety engagements are scoped to your facility, your hazard profile, and your applicable standards — IEC 61511, IEC 61508, and EU regulatory requirements.

  • Hazard & Operability Studies (HAZOP)
  • Layer of Protection Analysis (LOPA)
  • Safety Requirements Specification (SRS)
  • Safety Instrumented System (SIS) Design
  • Safety Integrity Level (SIL) Assessment & Verification
  • Functional Safety Management (FSM)
  • Alarm Management & Rationalisation
  • Process Safety Reviews & Audits
  • Safety Lifecycle Documentation
  • Regulatory & Inspection Readiness

Our Approach

  1. Identify hazards before they become incidents

    We facilitate structured HAZOP and risk assessment processes with your process, engineering and operations teams — identifying hazards early, when they are still design problems rather than operational ones.

  2. Design the safety layer correctly

    Safety Instrumented Systems are designed to the required Safety Integrity Level, with full traceability from the Safety Requirements Specification through to the final verified design.

  3. Validate and verify

    Every safety function is tested and verified against its specification — with documented evidence that the designed protection layer performs as required under all defined demand conditions.

  4. Maintain the safety case

    Process safety is a lifecycle commitment. We support ongoing functional safety management, MOC reviews, and periodic audits to ensure that the safety integrity of your systems is maintained as your facility evolves.

Rockstone has supported process safety and SIS programmes across pharmaceutical and biotech facilities in Europe — delivering HAZOP, LOPA, SIL assessment and SIS design aligned to IEC 61511 and site safety requirements.

No shortcuts. No compromises. Safety engineered properly.

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