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LIA - CPI - Certified Piping Inspector

LIA - Certified Piping Inspector ( CPI ) :

References API 570 & ASME B31.3

LIA  authorised piping inspectors must have a broad knowledge relating to :

·       Maintenance,

·       Inspection,

·       Alteration &

·       Repair of In-Service Metallic Piping Systems.

This LIA - Certified Piping Inspector Training Course is designed to determine if applicants have such knowledge for the above by below course details , calculations , examinations and evaluations conducted by the LIA Group company.

This Training & Certification benefits employers and the personnels working in the  similar industry as a whole:

·       Provide a continued high level of safety through the use of inspectors specialized in process piping

·       Improve management control of process unit inspection, repair, alteration and rerating

·       Reduce the potential for inspection delays resulting from regulatory requirements

 

Candidates are expected to understand the SI units (metric system) & US customary units (inches, feet, PSI, etc.)

COURSE DETAILS , CALCULATIONS & EXAMINATIONS & EVALUATIONS :

FOR EVALUATING THICKNESS MEASUREMENTS, INSPECTION INTERVALS & PIPING INTEGRITY :

 

A.)   CORROSION RATES AND INSPECTION INTERVALS ,

                     The Inspector should be able to understand :

·       Inspection data

·       Determine the Thickness Measurement and

·       Visual inspection of external at intervals.

                      The Inspector must be able to calculate:

·       Corrosion Rates  ,            (API-570, Par. 7.1)

·       Remaining Service Life ,  (API-570, Par., 7.1.1)

·       Inspection Interval  ,         (API-570, Par., 6.3.3 & Table 2)

 

B.)   WELD JOINT QUALITY FACTORS AND CASTING QUALITY FACTORS :

                    The inspector should be able to determine

·       The weld joint quality factor “Ej” of a longitudinal pipe weld joint.

·       Casting Quality factor, Ec from B31.3, 302.3.3 (b) and A-1A

·       Weld Joint Quality factors from ASME B31.3, 302.3.4 and A-1B;

·       Increased Joint Quality Factors by performing supplemental NDE from ASME B31.3

·       Determining weld joint quality factor may be part of an internal pressure,

·       Determining required thickness or internal design pressure.

 

C.)   INTERNAL PRESSURE / MINIMUM THICKNESS OF PIPE :

       The inspector should be able to determine:

·       The minimum required thickness or pressure design thickness of a straight pipe section for a internal pressure (ASME B31.3 Section 304.1.1 and 304.1.2);

·       The minimum required thickness of a permanent blank for a given design pressure (ASME B31.3 Section 304.5.3);

·       The "MAWP" of corroded pipe, compensating for expected corrosion loss at the next inspection (API 570,Par., 7.2)

·       The inspector should also be able to compensate for the corrosion allowance.

 

D.)   PRESSURE TESTING :

      The inspector should be able to:

·       Demonstrate knowledge concerning hydrostatic leak testing (ASME B31.3 Section 345.4)

·       Demonstrate knowledge concerning pneumatic leak testing (ASME B31.3 Section 345.5)

·       Calculate a hydrostatic or pneumatic leak test pressure (ASME B31.3 Sections 345.4, 345.5)

 

E.)   IMPACT TESTING :

       The inspector should be able to:

·       Determine the minimum metal temperature of a material, which is exempt from impact testing (ASME B31.3,Section 323.2.2, )

·       Determine the minimum required charpy V-notch impact values of a given material. (ASME B31.3, Section 323.3 )

 

F.)   PREHEATING AND HEAT TREATMENT REQUIREMENTS

       The inspector should be able to determine which weld sizes require preheating and/or heat treatment.

·       Determine what is the required or recommended preheat temperature (ASME B31.3, Section 330 )

·       Determine the governing thickness, holding time, holding temperature, and maximum Brinell hardness for Heat treatment applications (ASME B31.3, Section 331)

 

G.)  THERMAL EXPANSIONS :

       The inspector should be able to determine the

·       Total thermal expansion of a material between temperatures (ASME B31.3,Appendix C, Table C-1).

 

H.)   MINIMUM WALL THICKNESS & WORKING PRESSURES FOR FLANGES :

       The inspector should be able to determine the minimum wall thickness and working pressure    

        requirements for flanges.

·       Determine the working pressure and minimum/maximum system hydrostatic test pressure for a flange of specified material and temperature (ASME B16.5, Par. 2. & Table 1A & Tables 2-1.1 )

·       Determine the minimum dimensions of a given flange (ASME B16.5 Tables 7 through 22 )

·       Determine maximum working pressure of a flange when given the design temperature, flange material

·       Determine maximum temperature of a flange when given the design pressure, flange material and flange Determine most cost effective flange , given the design pressure, design temperature, and flange material.

 

WELDING PROCEDURES &  QUALIFICATIONS -  EVALUATIONS :

ASME BOILER AND PRESSURE VESSEL CODE, SECTION IX:

The inspector should have the knowledge and skills required to review:

·       Procedure Qualification Record &

·       Welding Procedure Specifications

 And to be able to determine the following:

·       Determine if procedure and qualification records are in compliance with applicable ASME Boiler and Pressure Vessel Code and any additional requirements of API-570.

 The weld procedure review will include:

§  One Weld Procedure Specification   (WPS) &

§  One Procedure Qualification Record (PQR).

§  Determine if all required essential and non-essential variables have been properly addressed. (Supplemental essential variables will not be a part of the WPS/PQR).

§  Determine that the number and type of mechanical tests that are listed on PQR are the proper tests, and whether the results are acceptable.

 

WELD PROCEDURE REVIEW MAY INCLUDE :

§  SMAW,

§  GTAW,

§  GMAW,

§  SAW,

WITH THE FOLLOWINGLIMITATIONS:

§  No more than one process will be included on a single WPS or PQR and the WPS to be reviewed will be supported by a single PQR.

§  Filler metals will be limited to one-per-process for SMAW, GTAW, GMAW, or SAW

§  The PQR will be the supporting PQR for the WPS.

§  Base metals will be limited to P1, P3, P4, P5, and P8.

§  Dissimilar base metal joints, and dissimilar thicknesses of base metals will be excluded.

§  Special weld processes such as corrosion-resistant weld metal overlay, hard-facing overlay, and dissimilar metal welds with buttering of ferritic member will be excluded.

 ASME B31.3 :

The inspector should be familiar with and understand the general rules for welding in ASME B31.3, Chapter V such as:

·       Typical joints and definitions

·       Weld sizes

·       Restrictions on joints

·       Maximum allowable reinforcement

·       Inspection requirements

·       Preheating and Heat Treatment

API Standard 570 :

The inspector should be familiar with and understand any rules for welding in API-570.

Any rules for welding given in API570 shall take precedence over those covering the same areas in ASME, B31.3.

 NONDESTRUCTIVE EXAMINATION ( NDE ) : ASME Section V :

The inspector should be familiar with and understand;

·       The Scope of Section V,

·       Rules for use of Section V as a referenced Code,

·       Responsibilities of the Owner / User, and of subcontractors,

·       Calibration

·       Definitions of "inspection" and examination"

·       Record keeping requirements,

 Radiographic Examination:

·       The inspector should be familiar with and understand;

·       The Scope of Article 2 and general requirements,

·       The rules for radiography as typically applied on butt welded seams such as, but not limited to:

·       Required marking

·       Type, selection, number,

·       Allowable density and density ranges

·       Control of backscatter radiation

·       Records    

Liquid Penetrant Examination (Including mandatory appendices II and III):

The inspector should be familiar with and understand the general rules for applying and using the liquid penetrant method :

·       The Scope of Article 6,

·       General requirements & Procedure

 Magnetic Particle Examination (Yoke and Prod techniques only):

The inspector should be familiar with and understand the general rules for applying and using the magnetic particle method including :

·       The Scope of Article 7,

·       General requirements & Procedures

Visual Examinations:

The inspector should be familiar with and understand the general rules for applying and using the visual examination method including :

·       The scope of Article 9,

·       General requirements & Procedures 

Leak Testing :

(Including Mandatory Appendix I Bubble Test –Direct Pressure Technique):

The inspector should be familiar with and understand the general rules for applying and using the leak testing method including :

·       The scope of Article 10,

·       General requirements & Procedures

Ultrasonic Examinations, measuring thickness by manual Ultrasonic Pulse-Echo contact method:

The inspector should be familiar with and understand;

·       The Scope of Article 23, Section SE-797,

·       The general rules for applying and using the Ultrasonic method

·       The specific procedures for Ultrasonic thickness measurement as contained in paragraph 7.

·       ASME B31.3 and API-570: General nondestructive examination requirements:

·       ASME B31.3: The inspector should be familiar with and understand the general rules for NDE (Chapter VI).

Other References & Publications used for Certified Piping Inspector ( CPI ) :

API Publications:

API-570 AUTHORIZED PIPING INSPECTOR

Relating to maintenance,

·       Inspection,

·       Alteration &

·       Repair  of In-Service Metallic Piping Systems.

OTHER API Publications & References :

·       API RP 571, Damage mechanisms Affecting Fixed equipment in the Refining Industry

·       API Recommended Practice 574 – Inspection Practices for Piping System Components

·       API RP 577, Welding Inspection and Metallurgy

·       API Recommended Practice 578 – Material Verification Program for New and Existing Alloy Piping Systems

ASME Publications:

American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code:

·       Section V, Nondestructive Examination, and

·       Section IX, Welding and brazing Qualifications

·       B16.5, Pipe Flanges and Flanged Fittings

·       B31.3, Process Piping

Contact Details :

Planning to go for Certified Piping Inspector ( CPI ) , from LIA , you may ask for Quotation from LIA , by providing your organization’s information in application available at the LIA website or submit your inquiry through mail to This email address is being protected from spambots. You need JavaScript enabled to view it. .

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