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Final Role Delineation & Rubrics (content classification) Piping Inspector Certification (API-570) Activity areas (Domains) Task Statements Knowledge statements
Activity 01 -- Planning and Extent of Inspections - 570 Tasks: 0101 0102 0103 0104 0105 0106 0107 0108 0109 0110 0111
Review previous piping inspection reports Identify areas of special concern (e.g., dead legs, injection points, buried piping) Determine and document any changes in service conditions (e.g., temperature, pressure) Determine number and placement of thickness measurement locations (TMLs) in piping systems Plan the piping inspection as regards types of deterioration (e.g., corrosion, SCC, CUI, embrittlement, erosion, vibration) Plan the piping inspection as regards inspection techniques (e.g., NDE, impact testing) Determine inspection techniques for large bore piping (>2" diameter) Determine inspection techniques for threaded and small bore piping (≤ 2" diameter) Determine limits of scope of inspection (including jurisdictional requirements and code applicability) Review and validate piping classifications (per API 570) Identify, locate, and document specialty items (e.g., expansion joints), noting those which need additional inspection Knowledge of: 01 ..responsibilities of involved parties (e.g., inspectors, repair organizations) 02 ..major types of corrosion/deterioration mechanisms and where they are likely to occur 03 ..areas of special concern as regards deterioration 04 ..applications/limitations of various inspection techniques 05 ..special considerations for buried piping 06 ..testing requirements 07 ..types of refractory and inspection methods 08 ..record keeping systems and requirements (e.g., including manual and computerbased systems) 09 ..scope of API 570, Piping Inspection Code 10 ..drafting conventions
Activity 02 -- Inspection and Testing Practices - 570 Tasks: 0201 Assess potential safety hazards associated with conducting inspection & follow all required safety permits, procedures, & provisions for proper personal protective equipment 0202 Ensure all NDE equipment is properly maintained and calibrated 0203 Conduct external visual inspection of piping including pipe supports 0204 Conduct appropriate NDE inspection (including flaw detection and sizing) 0205 Ensure that inspection and data collection is done in accordance with approved procedures 0206 Conduct thickness measurements 0207 Conduct internal inspection of piping 0208 Conduct inspection for corrosion under insulation (CUI) 0209 Conduct inspection of refractory systems 0210 Specify and witness pressure and leak tests including aboveground and buried piping 0211 Specify and oversee necessary destructive examination 0212 Conduct inspection of piping insulation 0213 Inspect coating of above ground and buried piping systems 0214 Observe cathodic protection system (close interval potential survey) and obtain report advice as needed 0215 Conduct external pipe inspection of buried piping 0216 Conduct visual surveillance of soil-to-air interface points of buried piping 0217 Inspect valves, fittings, flanges Knowledge of: 12 ..safety requirements for inspection (e.g., Permit Required Confined Spaces, Lockout/Tagout, elevated work) 13 ..personnel qualification for NDE per ASNT SNT-TC-1A 14 ..NDE procedures per ASME Boiler & Pressure Vessel Code, Section V 15 ..insulation and insulation inspection methods (including CUI) 16 ..refractory systems and inspection methods 17 ..leak and pressure testing procedures, requirements, and precautions 18 ..cleanliness requirements for inspection 19 ..maintenance and calibration requirements and methods for various inspection equipment 20 ..applications/limitations of various inspection techniques (e.g., hammer testing, strapping, PT, RT) 21 ..paint and coating systems 22 ..cathodic protection systems 23 ..requirements for non-destructive examination 24 ..requirements for destructive examination 25 ..material verification and traceability 26 ..piping components (e.g., piping, tubing, valves, fittings, expansion joints, pipe supports) and pipe joining methods 27 ..special inspection requirements for buried piping
Activity 03 -- Data Evaluation and Documentation - 570 Tasks: 0301 0302 0303 0304 0305 0306 0307 0308 0309 0310 0311
Determine minimum allowable thickness of piping components Determine MAWP Record inspection data Evaluate locally thinned areas or other indications (e.g., undercut, slag inclusion, porosity) in regard to need for repair or replacement Calculate corrosion rates on piping Evaluate change of service effects on inspection frequency and suitability of continued service Determine estimated remaining life Adjust the number and location of thickness measurement locations based on inspection results and deterioration mechanisms Document the evaluation in a record system Schedule the next inspection based upon frequency requirements and estimated remaining life Evaluate effectiveness of cathodic protection and/or coating for aboveground and buried piping Knowledge of : 30 ..corrosion rate calculation 31 ..remaining life calculation 32 ..establishing inspection frequency based on remaining life and service 33 ..maximum service intervals specified by codes and standards 34 ..thickness measurement locations (TMLs) and their selection 35 ..requirements for documentation of results 36 ..deterioration mechanisms and their impact on suitability of continued service 37 ..maximum allowable working pressure (MAWP) calculations 38 ..minimum required thickness determination 39 ..evaluation of locally thinned areas 40 ..widely scattered pits 41 ..established inspection frequency for buried piping 42 ..cathodic protection systems and principles of operation 43 ..need for piping stress analysis
Activity 04 -- Repairs, Alterations, and Rerating - 570 Tasks: 0401 Specify repairs and alteration work prior to commencement of work including identification of inspection hold points 0402 Verify correct materials are used 0403 Ensure that all work complies with approved procedures and standards 0404 Ensure that a piping engineer has been consulted when appropriate 0405 Approve all repairs, rerating, and alterations when complete 0406 Document repairs, alterations, and rerating Knowledge of : 44 ..procedures to evaluate competency of repair organization 45 ..ASME B31.3, Process Piping 46 ..ASME Boiler and Pressure Vessel Code, Section VIII Division I 47 ..material requirements and methods for positive material identification 48 ..inspection, testing, and documentation requirements 49 ..definitions of repairs and alterations 50 ..repairs and alteration methods and procedures (including temporary repairs) 51 ..hot tapping techniques and requirements 52 ..rerating requirements and calculations 53 ..fabrication techniques 5x ..repairs to buried piping 54 ..piping components (e.g., piping, tubing, valves, fittings, expansion joints, pipe supports) and pipe joining methods Activity 05 -- Welding - 570 Tasks: 0501 Approve welding procedure specifications (WPS) and Procedure Qualification Records (PQR) to assure compliance with applicable code 0502 Verify welders’ qualifications 0503 Ensure welding is performed according to approved procedure (including pre-heat) 0504 Ensure correct filler metals are used and properly stored 0505 Ensure PWHT is performed according to procedure 0506 Ensure that alternatives to PWHT (e.g., temper-bead) conform to applicable code Knowledge of : 55 ..ASME Boiler and Pressure Vessel Code, Section IX-Welding and Brazing Qualifications 56 ..impact testing requirements 57 ..WPS, PQR, and WPQ requirements 58 ..preheat requirements for various materials, thicknesses, and conditions 59 ..acceptable methods and temperatures, and precautions for PWHT 60 ..acceptable alternative methods to PWHT 61 ..methods of documenting welds (e.g., welders’ stamps, weld maps) 62 ..requirements for welding conducted on piping in operation (e.g., hot tapping)