Functional Safety & SIS

Know where your SIS stands against IEC 61511

Independent gap assessments, migration planning, and remediation for safety instrumented systems on Honeywell Safety Manager, Yokogawa ProSafe-RS, Emerson DeltaV SIS, and legacy platforms. A clear, prioritized plan before the next audit, incident review, or turnaround.

Request an IEC 61511 Gap Assessment →

The safety lifecycle drifts quietly

Proof tests slip, bypasses stay in longer than anyone intended, a third-party integration was never fully documented, and the Safety Requirements Specification no longer matches what is in the logic solver. None of it shows up until an audit or an incident. An independent review finds it first.

What we offer

2–4 weeks · Fixed fee

IEC 61511 Gap Assessment

A lifecycle review against IEC 61511 / ISA 84 with a prioritized remediation plan your team or integrator can execute.

Project-based

SIS Migration Planning

Phased strategy to replace legacy or unsupported safety systems, with an independent review of vendor bids and cutover risk.

Project-based

Integration & Remediation

Scope and oversight for fixing third-party SIS installs with known integration, diagnostics, or reliability issues.

What the gap assessment covers

How it works

1

Share documents

SRS, hazard and LOPA studies, proof-test records, bypass logs, and system configuration, under a mutual NDA.

2

Review & interview

Remote review plus short interviews with operations, maintenance, and process safety.

3

Prioritized plan

Findings ranked by risk, with clear actions, owners, and budget estimates.

Experience across the major safety platforms

More than 25 years selling, supporting, and managing service for Honeywell, Yokogawa, and Emerson safety systems, including SIS lifecycle and migration programs across refining, oil and gas, and chemical accounts. We work alongside your process safety team and certified functional safety engineers where SIL calculations or formal sign-off are required. We do not sell safety system hardware.

Related: Alarm Management · OT Cyber-Resilience · Obsolescence & Reliability

Get an independent read on your SIS

Book a 20-minute scoping call before your next audit or turnaround.

Request an IEC 61511 Gap Assessment →