API 570 Piping Inspection
API 570 Piping Inspection is an inspection code developed by the American Petroleum Institute that covers the in-service inspection, repair, alteration, and relating activities for piping systems and their associated pressure relieving devices in the petroleum and chemical process industries.
It specifically applies to metallic piping and those plastic ones that are either fiberglass reinforced (FRP) or glass reinforced (GRP).
API 570 Piping Inspection establishes requirements and guidelines that allow owners or users of piping systems to maintain the safety and mechanical integrity of their systems after they have been placed into service.
While it was primarily intended for those systems in the petroleum and chemical process industries, this code can be applied to any piping system where practical.
This code also covers pipelines that carry process fluids, hydrocarbons, and other flammable or toxic fluids.
Some specific fluids covered include: petroleum and chemical products, natural gas, flare systems, sour water, high pressure gasses and several others.
This standard specifically does not govern the construction of pipelines or set forth any standards relating to them before they are placed into service.
In the event of any conflicting standards of regulations, API 570 should take precedence in cases where it is the more stringent requirement.
The American Petroleum Institute offers API 570 Piping Inspection certification training and exams for inspectors.
To take the exam, a minimum amount of experience and education are required. It can vary, but in general the more education one has, the less experience is required to qualify for the exam.
Certification under API 510 is valid for a three year term at the end of which it must be renewed.
API 570 – Piping Inspector:
Corrosion rates and inspection intervals – Welds joint – Quality factors and casting factors – Internal pressure minimum thickness of pipe – Pressure testing – Impact testing – Preheating and heat treatment requirements – Thermal expansion – Minimum wall thickness and working pressure for flanges – Minimum required thickness of a permanent blank – Non destructive examination – Damage mechanisms – Welding metallurgy – Inspection of piping components .