API-570 Inspections

API-570 Process

On-Stream Inspections

  • Formulation of piping isometric drawings and stored in AutoCAD
  • Assignment of thickness measurement locations (TML’s)
  • Inspection ports cut into insulated pipe and inspection plugs installed
  • Ultrasonic thickness readings taken at each TML
  • Visual inspection of all piping components (valves, flanges etc.)
  • Inspection of piping support systems
  • Corrosion under insulation determination
  • Determination of cracking (environmental, fatigue, creep)
  • Inspection for brittle fracture or freeze damage
  • Inspection at dead legs, injection points and soil-to-air interfaces
  • Determination of corrosion rates, remaining life and retirement dates
  • Repair and re-rating of piping systems

Other Services

  • Hydrostatic and pneumatic testing of piping systems
  • Small-bore, auxiliary and threaded piping inspections
  • Pipe stress analysis surveys
  • Coating and repair services
  • Cathodic protection services

Typical Industries Serviced

  • Petrochemical Plants
  • Pulp/Paper Mills
  • Fuel Refineries
  • On-shore/Off-shore Pipe Lines