VAIL-PHA - 2026 Pricing, Features, Reviews & Alternatives

A PHA provides information intended to assist managers and employees in making decisions for improving safety and reducing the consequences of unwanted or unplanned releases of hazardous chemicals.

A PHA is directed toward analyzing potential causes and consequences of fires, explosions, releases of toxic or flammable chemicals, and major spills of hazardous chemicals, and it focuses on equipment, instrumentation, utilities, human actions, and external factors that might impact the process

OSHA requires employers to perform a PHA on each process covered by the law. The purpose of the PHA is to identify and evaluate the hazards of the process, and ways or methods to control them.

Velosi’s experienced staff can assist clients in selecting and implementing the right method to evaluate activities as varied as a traditional process, offshore/onshore production, pipeline, instrumented and electrical distribution systems, as well as specific activities such as written procedures, crane operations, among many others.

Features:

• Conducts SIL assessment using either the Layers of Protection Analysis (LOPA) or Risk Graphs methodology (or both) along with Risk Matrix.

• VAIL-PHA SIL software meets the requirements of IEC 61508.

• Perceives dynamic changes and shows risk as well as SIL levels in the Risk Matrix.

• Targets PFD calculations.

• Calculates the test interval.

• Calculates Mean Time between Failure (MTBF) and Mean Time to Repair (MTTR) along with general reliability data.

• Provides dynamic reporting.

• Records management of the SIL study session team.