DIFFERENCE BETWEEN AUTOMATIC AND MANUAL FILM PROCESSING

Automatic Film Processing Manual Film Processing

Automatic Process: Exposed films are fed through feed tray and received through receiving bin.

Manual Process: Exposed films are manually put into the developer, stop bath and fixing tanks.

Standard Processing Cycle: It takes 8 minutes in processing a radiographic film in automatic processing.

Standard Processing Cycle: It takes 60 minutes in processing a radiographic film in automatic processing.

Capacity (8 min. Cycle): 10cmx48cm (4 films side by side)=92 films/hour, 10cmx48cm (1 film)=30 films/hour.

Capacity (60 min. Cycle): 10cmx48cm =40 films/hour.

Processing Chemicals: 500 films are normally developed from 1 set of fixer and developer.

Processing Chemicals: 800 films are normally developed from 1 set of fixer and developer.

Processing Personnel: Trained persons are required to control the necessary parameters during processing.

Processing Personnel: All the concerned persons performing radiographs are normally able to develop the radiographs.

If an indiviual is directly certified to Level-II with no time at Level-I then required expirence is sum of time for Level I & level II and required training hours is sum of level I & level II Training hours can be adjusted depending on qualification as described in employer's written practice i.e. grammar school college graduate in engg etc.

Initial experience may be gained simultaneously in two or more methods, if he spends 25% work time for those methods and remaining in NDT related activities defined by the employer's written practice.

Person may be qualified directly to level II with no time as certified level I, porvided the training time and experience consists of the sum of hours for level I and level II Training hours is fixed (not based on qulaifictaion).

Required experience shall be documnented in the method by hours with supervision or NDT Level II approved.Experience may be gained in more than one method but minimum hours must be met for each method.

ADDITIONALIn some cases for some methods training time recommended for level I are greater than for level II because of difference in complexity and maipulatye skills.

Recommended training hours in a particular method are listed as function of candidate's education (not experience)

Eye Exam can be done by NDT Level III or some body designated by NDT Level III.

No practical exam for Level III Basic & method exam

Candidates must spend at least 25% time or work in each method so the credit is gained simutaneously in two or more discipline (keep continous record by hours to show 25%)

NDT Level III certified individual by employer (may or may not be ASNT NDT Level III)

ADDITIONALInterpretation - Determination, whether indications are relevant.Evaluation - Determination of significance of a relevant indication.

Recommended training hours are independent of individual's education. (Are fixed)

Eye Exam administered according to a procedure by personal approved by NDT level III designated by employer

Level I, II, III (education is not must)

Level III exams has practical & demonstration.No Basic and method exam.

NDT Level III- is an individual possesing ASNT NDT Level III certification and certified to this standard.

RECOMMENDED PRACTICESet of guidelines to assist employer in developing uniform procedures for qualification and certification of NDT personnel.

Outside Agency (doesn’t say level III)company or individual providing level III services whose qualifications have been reviewed by the employer.

Certifying Authorityperson designated in written practice to certify on behalf of the employer.

Certifying AgencyEmployer.

NDT instructor's course outline is approved by NDT Level III and NDT Level III shall be responsible for the content of courseIf employer has more than one L-III for a specific method, he shall designate one as principal NDT Level III

Closed Book ExamExam administered without access to refrence material

EmployerCorporate, Private or public entity which employs personnel for wages

Closed Book ExamExam administered without access to refrence material

EmployerCorporate, Private or public entity which employs personnel for wages

If a candidate spends 50% of time in RT, 25 % in MT, 25% in PT with total monthly hours 144, he can claim work time experience of 144 hours for each of the three methods.

If a candidate spends 50% of time in RT, 25 % in MT, 25% in PT with total monthly hours 144, he can claim work time experience of 144 hours for each of the three methods.

Qualification of Level III equal or exceed those of Level II (not education)

An NDT level III be qualified by examination(either employer or ASNT or both)

SNT/TC/1A doesn't provide recommendation about overtime

A NDT level III (is qualified by ASNT level III & employer exam both)