Comparison Between Snt-Tc-1a and CP 189
December 2, 2022 | Author: Anonymous | Category: N/A
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COMPARISON BETWEEN SNT-TC-1A AND CP 189 1)
SNT-TC-1A is
a Recommended Practice while CP 189 is a Standard.
2)
SNT-TC-1A is
a Guideline for the Qualification and Certification of NDT Personnel while
CP
Minimum requirements. 3) In SNT-TC-1A the employer may modify the guide to suit his need (Refer Note 1) while
CP
189 is
189 Employer
4)
can incorporate only unique or additional requirements.
SNT-TC-1A does
Section 1.4) while
not give any specific about Education (Refer SNT-TC-1A, 2016 Edition, CP 189 gives
the minimum requirements of Education (Refer CP 189,
2016 Edition, Section 1.2). 5) Both require Employer to establish Procedure for Certification Certificat ion of of NDT Personnel. 6) In both
SNT-TC-1A and CP 189,
percentage of flawed/unflawed grading units required shall
be approved by NDT Level III. SNT-TC-1A
CP 189
7) calls outside agency while calls outside organization. 8) Defining the Qualification SNT-TC-1A does not talk about any Education while
CP 189
Education is a requirement. 9) In
SNT-TC-1A,
Level III is designated by the Employer and he need not be the ASNT Level
III while CP 189 whenever the Level III is mentioned represents the ASNT Level III. 10) In
SNT-TC-1A
(Refer SNT-TC-1A, 2016 Edition, Section 18.7), Predictive Maintenance
(PdM) is mentioned only in Level III while
CP 189
Predictive Maintenance (PdM) is
mentioned in Level I, Level II and Level III. 11) In
SNT-TC-1A,
NDT methods like Microwave Technology, Ground Penetrating Radar, and
Guided Wave Testing etc are included while they are not in 12) In
SNT-TC-1A,
there are Three basic Levels of qualification but Employer may sub-divide
this into further levels while 13) In
SNT-TC-1A,
CP 189.
CP 189 has
Six Levels of qualification.
a person in the process of being trained is called a Trainee while
CP 189 a
person who is not certified in any level is called Trainee (Refer Note 2). 14) The classification NDT instructor is specific to
CP 189 only.
In
SNT-TC-1A,
NDT instructor
can take the class, give Job instruction, Training and Education Program approved by Level III. 15) In
SNT-TC-1A,
training requirements is given in the written practice and the written practice
shall be approved by NDT Level III. In
CP 189 also
codes outline approved by NDT Level III. 1
training shall be conducted as per the
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16) The term “Credit Credit”” is specifically mentioned in
CP 189 while
there is no such term in the
SNT-
TC-1A. SNT-TC-1A training
17) As per
practice while in
can be given by anybody approved in the Employer’s written
CP 189 training
shall be given by NDT instructor or any expertise in a
specific subject. 18) In
SNT-TC-1A,
training course etc given in the written practice shall be approved by Level
III. In CP 189 NDT Level III is responsible for the content of the course. 19) In
SNT-TC-1A,
NDT Level III should be either Engineering Graduate + One year Experience
beyond Level II requirements or Two years of Engineering College (i.e.) Diploma + Two years beyond NDT Level II requirements or Person having Four years beyond Level II requirements. But in
CP 189 NDT
Level III should be ASNT Level III.
20) The term NDT Instructor I nstructor is not in
SNT-TC-1A
but in
CP 189
NDT Instructor shall be
designated by NDT Level III. 21) In SNT-TC-1A, Training hours can be adjusted in the Employer’s written practice based bas ed on the candidate’s education level. In CP 189, training hours are fixed as per the Appendix A. 22) As per
SNT-TC-1A,
in Eddy Current Testing, if you are qualified in one technique, training
hours for the other techniques of ET may be reduced to 40%, Experience required can be reduced to 50%. As per
CP 189 training
hours are fixed but experience required can be
reduced to 50%. 23) In both
SNT-TC-1A
and
CP 189,
trainee should receive Radiation Safety training as
required by jurisdiction. 24) In
SNT-TC-1A,
in Infrared Thermography, if a person trained in one technique, Experience
required for the other technique to the same level can be reduced to 50% while
CP 189
fixed as per the Appendix A. 25) In
SNT-TC-1A,
for passing the Level I and Level II examination Composite grade of 80% is
mentioned while CP 189 is Average grade is 80%. 26) As per
SNT-TC-1A,
CP 189 Color
Color Vision examination shall be conducted at 5 years interval while
differentiation examination shall be conducted at each recertification of Level I
and Level II. 27) There is no practical exam for NDT Level III as per
SNT-TC-1A while CP 189 practical
examination involves preparing the NDT procedures appropriate to t o the Employer’s needs. needs. 28) Technical performance evaluation for Level I is given in the
CP 189. 2
SNT-TC-1A while
no details given in
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29) “Expiration” is the term used in 30) In
SNT-TC-1A,
CP 189 which
is not in SNT-TC-1A.
New Technique can be added employer’s written practice and NDT Level III
should receive applicable training but as per CP 189 New techniques cannot be added. 31) “Suspension” is specified in CP 189 while SNT-TC-1A is silent about it. 32) “Termination” is the term used in the 33) For reinstatement SNT-TC-1A deals
34) As per
CP 189 differentiates
“Revocation” is used in the
CP 189.
between Suspended, Expired and Termination while
only with the Termination.
SNT-TC-1A,
Level III while
SNT-TC-1A while
maximum recertification intervals is 5 years for Level I, Level II and
CP 189 Recertification
is for every 5 years (for Level I and Level II) if he has
at least 350 hours of documented experiences. 35) As per
SNT-TC-1A,
employer while
NDT Personnel can be Re-Examined anytime at the discretion of the
CP 189
once in every 10 years he has to repeat all the examination
(General, Specific, and Practical).
NOTE 1:
Bit it shall not eliminate the basic provisions like Training experience and testing and recertification. The employer should also provide technical rationale for such modification in the written practice. NOTE 2:
If a Level III is not certified by his employer even though he is ASNT Level III will be considered only as a Trainee.
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