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API 653 BOK > API 658 Sec - 06 (Inspection) > Flashcards

API 658 Sec - 06 (Inspection) Flashcards

1
Q

The purpose of inspection of tank is ………..

A

to assure continued tank integrity

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2
Q

The interval between inspections of a tank (both internal and external) should be determined by …………….. unless special reasons indicate that an earlier inspection must be made.

A

its service history

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3
Q

A history of the service of a given tank or a tank in similar service (preferably at the same site) should be ,,,,,,, so that complete inspections can be scheduled with a frequency commensurate with the corrosion rate of the tank

A

available

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4
Q

…………………..

examination methods shall be considered when establishing inspection frequencies

A

On-stream, nondestructive

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5
Q

Jurisdictional regulations, in some cases, control the frequency and interval of the inspections. These
regulations may include …………..

A
  • vapor loss requirements,
  • seal condition, leakage,
  • proper diking, and
  • repair procedures
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6
Q

The external condition of the tank shall be monitored by ……………. from the ground on a routine basis.

A

close visual inspection

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7
Q

Personnel performing this inspection should be knowledgeable of the …………..

A
  • storage facility operations,
  • the tank, and
  • the characteristics of the product stored
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8
Q

The interval of (Close Visual Inspection) such inspections shall be consistent with conditions at the particular site, but shall not exceed
………

A

one month

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9
Q

external inspection of all tanks shall be given a visual external inspection by …………..

A

an authorized inspector

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10
Q

External Inspection of tanks must be conducted at least …………..

A

5 years or RCA/4N years, whichever is less
RCA = Diffe.btw measurend shell thk. and Min.required thk.
N = shell corrosion rate in mils per year

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11
Q

Insulated tanks need to have insulation removed only to the extent ……………

A

necessary to determine the condition of the exterior wall of the tank or the roof.

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12
Q

Recommended practices dealing with the prevention of hydrocarbon ignition are covered by …………

A

API 2003.

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13
Q

Ultrasonic Thickness Inspection shall be made at intervals not to exceed the

A

for unknown material = 5 years

for known material = ≤ 15 years or RCA/2N years

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14
Q

external ultrasonic thickness measurement can substituted with ……….and frequency interval shall be

A
  • Internal Insection

- ≤ 15 years or RCA/2N years

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15
Q

Internal inspection is primarily required to do as……….

A
  • bottom is not severely corroded and leaking
  • Data required for the minimum bottom and shell
    thickness
  • Identify and evaluate any tank bottom settlement
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16
Q

Initial Internal Inspection Interval shall be………

A

within 5 years from date of first publication of API Standard 653, Fourth Edition, Addendum 2, January 2012

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17
Q

The interval from initial service date until the first internal inspection shall ………

A

not exceed 10 Years

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18
Q

The initial inspection interval shall not exceed ……….for tanks without a Release Prevention Barrier

A

20 years

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19
Q

The initial inspection interval shall not exceed ……….for tanks with a Release Prevention Barrier

20
Q

Initial internal inspection date and reassessment can be established using Risk Based Inspection (RBI) assessment an initial inspection interval exceeding 10 years but shall not exceed

A
  • 20 years for tanks without a Release Prevention Barrier

- 30 years for tanks with a Release Prevention Barrier

21
Q

If an RBI assessment has been performed, the maximum initial internal inspection interval does not apply to tanks
storing the following.

A
  • Highly viscous substances which solidify at
    temperatures below 110 °F
  • substance or mixture that not prohibited by Jurisdiction and not hazardous chemical
  • will not adversely impact surface or groundwater
    beyond the facility or affect human health or the
    environment
22
Q

The interval between subsequent internal inspections shall be determined in accordance with

A

corrosion rate procedures

risk based inspection procedures

23
Q

When using the corrosion rate procedures of 6.4.2.2.1 the maximum subsequent internal inspection interval shall be……

A

20 years for tanks without a Release Prevention Barrier

30 years for tanks with a Release Prevention Barrier

24
Q

An RBI assessment shall consist of a systematic evaluation of both the

A

likelihood of failure &

associated consequences of failure, in accordance with API RP 580

25
The RBI assessment shall be thoroughly ............... | clearly defining all factors contributing to both likelihood and consequence of tank leakage or failure
documented,
26
The RBI assessment shall be performed by a team including .............
inspection and engineering expertise knowledgeable in the proper application of API RP 580 principles, tank design, construction, and modes of deterioration
27
The RBI assessment shall be reviewed and approved by a team as above at intervals ........
not to exceed 10 years or | more often if warranted by process, equipment, or consequence changes.
28
The applied RBI methodology (not every individual assessment) shall have a ............... to demonstrate that it has all the key elements defined in API 580 and this section.
documented validation review
29
The validation should be performed by an entity ...........
external to the RBI assessment team.
30
corrosion rates are based on prior inspections, they shall be derived from .............. inspection effectiveness as defined by the owner-user procedures
either high or medium
31
Corrosion rates from.............. effectiveness such as spot UT shall not be used in the RBI process.
low inspection
32
A tank shall be ............. from service when the risk exceeds the acceptable risk criteria established per the owner user procedure.
removed
33
API does not recommend .......... tank bottoms to failure, or operating tanks indefinitely with bottom........leaks.
running , | known or suspected
34
.............provides sample checklists of items for consideration when conducting in-service and out-of-service inspections
Annex C
35
It is recognized that records may not exist for older tanks, and judgments must be based on experience with tanks in .............
similar services.
36
The owner/operator shall maintain a complete record file consisting of three types of records, namely:
construction records, inspection history, and repair/alteration history.
37
Construction records may include ............
``` nameplate information, drawings, specifications, construction completion report, and any results of material tests and analyses. ```
38
The inspection history includes ............
``` all measurements taken condition of all parts inspected condition of all parts inspected corrosion rate and inspection interval calculations. ```
39
The repair/alteration history includes
all data accumulated on a tank from the time of its construction with regard to repairs, alterations, replacements, and service changes results of any experiences with coatings and linings
40
For each external and internal inspection performed the authorized inspector shall prepare ............
a written report.
41
prior to returning the tank to service—repairs critical to the integrity of the tank are; .............
(e.g. bottom or shell repairs);
42
after the tank is returned to service—minor repairs and maintenance activity are;
(e.g. drainage improvement, painting, gauge repairs, grouting, etc.);
43
monitor condition for continued deterioration are; —
(e.g. roof and/or shell plate corrosion, settlement, etc.)
44
Personnel performing NDE shall be qualified in accordance with .........
API 650, Section 8
45
The results of any NDE work, however, must be considered in the evaluation of the tank by ..............
an authorized inspector
46
As per API Standard 653, a routine, in service, close visual external inspection of an aboveground storage tank (AST) shall be done, at an interval not exceeding:
One Month

API 653 BOK (30 decks)

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