mechanical piping walkdown

Pre-Walkdown Preparation

Visual Inspection

  • Examine all supports to ensure they are correctly positioned.
  • Verify that pipes are level and aligned as per design specifications.
  • Look for any signs of sagging or misalignment.
  • Ensure that supports are not overloaded or damaged.
  • Check that all pipes have visible, clear labels.
  • Ensure labels include size, material, and service information.
  • Confirm that tags are securely attached and legible.
  • Look for any missing or incorrect labels.
  • Inspect welds for completeness and quality.
  • Look for any signs of leaks or defects at joints.
  • Confirm that threaded connections are tight and leak-free.
  • Check that flanged joints are properly bolted and gaskets intact.
  • Measure clearances to ensure compliance with maintenance requirements.
  • Look for any obstructions that could hinder access.
  • Ensure that there is adequate space for tools and personnel.
  • Check that safety regulations regarding access are met.
  • Verify that valves are installed in an accessible position.
  • Check that all components are oriented correctly for operation.
  • Ensure that handles and actuators are easily reachable.
  • Look for any obstructions that may hinder operation.
  • Inspect all hangers for signs of wear or damage.
  • Ensure fasteners are tight and not corroded.
  • Check that the hangers are appropriately sized for the pipes.
  • Look for any signs of movement or instability.
  • Check that strainers and filters are installed according to specifications.
  • Verify that they are easily accessible for maintenance.
  • Look for any signs of blockage or damage.
  • Ensure that flow direction indicators are correctly oriented.

System Verification

Compliance Checks

Functional Testing

Final Review and Documentation

Related Checklists