Testing and commissioning · SERNEM

Pneumatic Pressure Testing Method Statement Example

Compressed gas can store considerable energy. Test medium, limits and pressures must be defined only in an approved engineered test procedure.

Illustrative work method — not a permitVerify site permits, risk assessments, approved procedures, competent engineering, equipment instructions and local laws separately. This page does not define test pressures, torque values, anchor ratings or work authorization.

Work sequence, hazards and safeguards

Illustrative sequence only: adapt to the approved job pack and site conditions.

  1. 1

    Review test basis and engineering approval

    Hazard
    Unsuitable medium or excessive stored energy
    Safeguard
    A competent engineer confirms test plan, design limits and whether a lower-risk alternative is possible.
  2. 2

    Verify boundaries and temporary connections

    Hazard
    Inadequate pressure rating or uncontrolled openings
    Safeguard
    Match boundary, isolation, temporary connections and instruments to the approved test package.
  3. 3

    Establish exclusion, communication and monitoring

    Hazard
    Rupture, projectiles and personnel nearby
    Safeguard
    Implement an engineered exclusion zone, remote readings and emergency/evacuation arrangements.
  4. 4

    Conduct test under controlled supervision

    Hazard
    Sudden energy release or leakage
    Safeguard
    Follow only approved procedure, roles and limits; halt for indications of failure.
  5. 5

    Depressurize and hand back

    Hazard
    Trapped pressure and premature barrier removal
    Safeguard
    Authorized personnel confirm safe depressurization, test records and formal handback.

Three critical pre-start verification points

  • Approved engineered test package and competent engineer confirmed
  • Test circuit component ratings and suitability verified
  • Engineered exclusion, remote observation and emergency plan ready

Stop-work triggers

Stop for unapproved pressure changes, instrument faults, leakage, exclusion breaches, abnormal sound or deformation.

Frequently asked questions

Does this page specify a test pressure?

No. Test pressure and acceptance criteria must be established by the governing design code and competent engineer.

Is pneumatic testing as safe as hydrostatic testing?

Pneumatic tests can carry significantly greater stored-energy hazards; the choice requires engineering justification.

Official technical sources

These sources have jurisdiction-specific scope; verify local legal and engineering requirements.

Prepare your own document

Open the existing SERNEM generator to prepare and edit a site-specific method statement separately from this reference. Printing from the tool may require sign-in.

Open method statement generator →

Related field resources

Stored-energy hazards →PTW shift handover →