Completions & Commissioning

PAStech delivers end-to-end completions and commissioning services for complex industrial and critical infrastructure projects across energy, resources, manufacturing, utilities, and agriculture.

Our commissioning teams bring global mega-project experience, supporting projects from late-stage construction through to safe start-up and operational handover. We focus on risk reduction, system integrity, and operational readiness, ensuring assets perform as designed from day one.

Completions Management

PAStech develops and manages structured, auditable completions systems tailored to project size, scope, and client requirements.

Our services include:

  • Development and administration of project completions systems

  • Definition of system and subsystem boundaries

  • Tracking of punch lists, test records, and completions status

  • Management of Change (MoC) during commissioning and start-up phases

  • Integration of construction, testing, and commissioning data

Commissioning & Verification

We provide disciplined commissioning services across instrumentation, electrical, control, and safety systems, ensuring full functional verification prior to start-up.

Commissioning activities include:

  • Instrument, valve, and electrical equipment commissioning

  • Loop checking and functional testing

  • SIS Cause & Effect (C&E) verification

  • Functional Test Procedures (FTPs)

  • ICSS Site Acceptance Testing (SAT)

  • Support during start-up and early operations

Documentation & Handover

PAStech produces clear, compliant documentation to support safe operation and long-term asset management, including:

  • Inspection & Test Plans (ITPs)

  • ICSS SAT documentation

  • Functional and operational test records

  • Operational handover and start-up procedures

  • Final commissioning and handover dossiers

Why PAStech for Commissioning

Global mega-project experience
Our engineers have delivered commissioning services on large-scale, complex projects around the world, bringing proven methodologies, disciplined execution, and lessons learned from some of the most demanding environments.

Engineering-led commissioning
PAStech is engineering-driven. We understand how systems are designed, integrated, and operated — allowing issues to be identified and resolved efficiently during commissioning.

Risk-focused delivery
We prioritise safety, functional integrity, and operational readiness, reducing start-up risk and unplanned downtime.

End-to-end accountability
From completions planning through to operational handover, PAStech provides clear ownership and continuity across all phases of commissioning.

Trusted in high-consequence environments
Our experience in regulated and high-hazard industries ensures commissioning activities meet safety, quality, and compliance expectations.