Representative sampling should include data for all the various types of components and orientations found in each cicuit.ĬML's that shall be measured during a Thickness NDE Inspections, are? What word is used to define the number of CML's to obtain thickness readings during NDE inspection Restore to Suitable condictionfor safe operation at designed conditionĪn Inperfection that exceeds acceptance criteriaĭiscontinuity that may or may not exceed the acceptance criteria Note: Comparable or duplicate replacements and the addition of small-bore attachments that do not require reinforcement or additional support are not considered an alteration Minimum 12' upsteam of the injection nozzle shall be examinedįor underground piping what is the minimum length of buried pipe to expose when excavating for inspectionĦ to 8 feet will need to be excavated for inspectionĪlteration is a Physical changein any component that has design implications. What is the distance below the soil interface to dig when inspecting for soil-to-air corrosionĭig 6'-12' when inspection for soil-to-air corrosionįor partially buried pipe What is the soil-to-air distance below the soil interface that is to be considered for corrosionĪt an Injection point curcuit what is the minimum upsteam limit of a more extensive examination. When performing NDE examinations of lines greater than 10 NPS what is the maximum diameter of the CMLįor partially buried pipe What is the soil-to-air distance above the soil interface that is considered for corrosionĦ' above soil interace shall be considered When performing NDE inspection what is the maximum diameter of the CML examination point for lines equal to or less than 10 NPS On repairs the minimum radius of an insert patch is Primary Resonsiblities of API 570 Authorized Inspector What is the Class Abbreviation to help reminber the The class abbreviation that is used to help:ĭetermine of corrosion Rate for New Service or Change in Service

I = Inspection Org. of an Insurance Company U = Owner/ User who maintians inspection Org. O= Owner/User who repairs thier own equipmentĬ= Contractor that is acceptble to Owner/User J= one who is autherized by the Jurisdiction What class abbreviation is used to help define the

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