Annex C - Qualifying Bottom Scanning

Question 1

Annex C covers qualifying:

Answer 1

both bottom scanning procedures & personnel performing bottom scans

Question 2

Why was Annex C developed

Answer 2

Floor scanning is complex. The Owner/Operator will not generally be able to determine in the field if a bottom scan was effective

Question 3

Concerning bottom scans, what are “essential variables”

Answer 3

Something on a bottom scanning procedure that if changed requires the procedure and operator to be requal’d. (perform another test)

Question 4

Concerning bottom scans, what are “non-essential variables”

Answer 4

Something on a BSP that if changed does not require the procedure or the operator to requal.

Question 5

What variables need to be listed in a tank bottom exam procedure (TBP)

Answer 5

Both essential & non-essential variables

Question 6

The tank bottom exam qual record (TBEQ) is a record of the bottom scanners qual test. What needs to be listed in a TBEQ

Answer 6

The essential variables and results of the qual test.

Question 7

The Tank Bottom Procedure Qual Record (TBPQ) is a record of the bottom scanning procedure’s qual test. What needs to be listed in a TBPQ

Answer 7

The essential variables and the results of the qual test.

Question 8

Each company (AI Agency) doing bottom scans should:

Answer 8

Have qualified their own TBP and follow the TBP during field exams

Question 9

What is the purpose of a TBP

Answer 9

Provides direction for examiners and allows the Owner/Operator to verify that the examiner is correctly performing the examination.

Question 10

Who should develop a Tank Bottom Examination Procedure (TBP)

Answer 10

Company that does the Tank Bottom Scan

Question 11

Each Tank Bottom Examination Procedure (TBP) should specify:

Answer 11

Both essential and non-essential variables listed in API 653

Question 12

Sam, a bottom scanning examiner, has been qualified by ACME Tank Scanners using a MFL machine called the Ultimate Scanner - A1. Same leaves ACME to work for Big Can-Do Floor Scans. Which of the following is true?

Answer 12

Big Can-Do Floor Scans should requalify Sam

Question 13

Each scanning operator should receive a min of:

Answer 13

40 hours of training

Question 14

Which of the following does not need to be included in the scanning operator’s training?

Answer 14

Calibration of the scanning equipment
Hand on practice with SE
Limitations of SE
Principles of Operation of SE
Estimated costs & pricing for using SE--

Question 15

Each scanning operator should be tested with a written exam. The exam should have a min of:

Answer 15

40 questions

Question 16

Which of the following does not need to be included in a TBEQ

Answer 16

Essential Variables
# of training hours
Qual Test Results
Test Score on the Written Exam
Non-Essential Variables--

Question 17

Who should certify (sign) a TBEQ

Answer 17

Authorized Inspection Agency and the company performing the test

Question 18

A tank bottom-scanning examiner should be requal’d when the examiner has not performed a bottom scan within

Answer 18

6 months

Question 19

A tank bottom-scanning examiner should be requal’d when the examiner has not used a specific TBP w/in:

Answer 19

12 months

Question 20

A tank bottom scanning examiner should be requal’d whenever hte employer has reason to question

Answer 20

ability

Question 21

Whenever a tnak bottom scanning qual test is being performed, the sample plate must

Answer 21

be atleast 70ft squared.

Question 22

Essential variables must be listed on the:

Answer 22

TBP, TBPQ & TBEQ

Question 23

Non-Essential variables must be listed on the

Answer 23

TBP

Question 24

What does TBP stand for

Answer 24

Tank Bottom Examination Procedure

Question 25

What does TBEQ stand for

Answer 25

Tank Bottom Examination Qualification Record

Question 26

What does TBPQ stand for

Answer 26

Tank Bottom Procedure Qualification Record