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API 570 > 6 Interval/Frequency and Extent of Inspection > Flashcards

6 Interval/Frequency and Extent of Inspection Flashcards

1
Q
  1. 2 Inspection During Installation and Service Changes
  2. 2.1 Piping Installation

Piping shall be inspected in accordance with ________ requirements at the time of installation

A

code of construction

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2
Q
  1. 2 Inspection During Installation and Service Changes
  2. 2.2 Piping Service Change

If the service conditions of the piping system are changed, i.e. will exceed the current operating envelope (e.g., process contents, maximum operating pressure, and the maximum and minimum operating temperature), inspection intervals shall be established for the ______, including the review of applicable pressure relieving device settings.

A

new service conditions

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3
Q
  1. 2 Inspection During Installation and Service Changes
  2. 2.2 Piping Service Change

If both the ownership and the location of the piping are changed, the piping shall be inspected ____it is reused

A

before

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4
Q
  1. 3 Piping Inspection Planning
  2. 3.3 Setting Inspection Intervals Without the Use of RBI

If RBI is not being used, the interval between piping inspections shall be established and maintained by using the following criteria:

a) the ____ and _______calculations;
b) the _____ classification (see 6.3.4);
c) the applicable ____requirements;
d) and the judgment of the inspector, the piping engineer, the piping engineer supervisor, or a materials specialist, based on operating conditions, previous inspection history, etc

A

a) corrosion rate, remaining life
b) piping service
c) jurisdictional

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5
Q
  1. 3 Piping Inspection Planning
  2. 3.3 Setting Inspection Intervals Without the Use of RBI

The _____ or _____ shall establish inspection intervals for thickness measurements and external visual inspections and, where applicable, for internal and supplemental inspections

A

owner/user, the inspector

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6
Q
  1. 3 Piping Inspection Planning
  2. 3.3 Setting Inspection Intervals Without the Use of RBI

The inspection interval shall be reviewed and adjusted as necessary after each inspection or __________ and/or inspection results

A

significant change in operating conditions

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7
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes

All process piping systems shall be ________into different piping classes except for piping that has been planned on the basis of RBI

A

categorized

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8
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes

Owner/users shall maintain a record of _____, including their classifications

A

process piping fluids handled

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9
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.2 Class 1

Services with the highest potential of resulting in an _______if a leak were to occur

A

immediate emergency

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10
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.2 Class 1

Examples of Class 1 piping include, but are not necessarily limited to, those containing the following:

A

a) Flammable services
b) Pressurized services that can rapidly vaporize during release
c) Hydrogen sulfide (greater than 3 % weight) in a gaseous stream.
d) Anhydrous hydrogen chloride.
e) Hydrofluoric acid in main and trace acid services per API RP 751.
f) Piping over or adjacent to water and piping over public throughways (refer to national or local regulations.
g) Flammable services operating above their auto-ignition temperature

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11
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.3 Class 2

This classification includes the majority of ______and selected _____ piping

A

unit process piping , off-site

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12
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.3 Class 2

Typical examples of these services include but are not necessarily limited to those containing the following:

A

a) on-site hydrocarbons that will slowly vaporize during release
b) on-site hydrogen, fuel gas, and natural gas,
c) on-site strong acids and caustics.

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13
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.4 Class 3

Services that are either flammable but do not __________ when they leak

A

significantly vaporize

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14
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.4 Class 3

Services that are potentially harmful to human tissue but are located in ______may be included in this class

A

remote areas

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15
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.4 Class 3

Examples of Class 3 service include, but are not necessarily limited to, those containing the following:

a) on-site hydrocarbons that will ______ vaporize during release such as those operating below the flash point;
b) ______distillate and product lines to and from storage and loading;
c) ____farm piping;
d) ______acids and caustics;
e) off-site ______, fuel gas and natural gas; and
f) Other lower risk hydrocarbon piping that does not fall in Class 1, 2, or 4.

A

a) not significantly
b) off-site
c) tank
d) off-site
e) hydrogen
f) Other lower risk hydrocarbon piping that does not fall in Class 1, 2, or 4.

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16
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.5 Class 4

Services that are essentially ________ and nontoxic are in Class 4, as are most ______services

A

nonflammable, utility

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17
Q
  1. 3 Piping Inspection Planning
  2. 3.4 Piping Service Classes
  3. 3.4.5 Class 4

Examples of Class 4 service include, but are not necessarily limited to, those containing the following:

a) steam and steam _______;
b) air;
c) nitrogen;
d) water, including boiler feed water or stripped ____ water;
e) lube oil, seal oil;
f) ASME B31.3, Category _____ services;
g) plumbing and sewers.

A

a) condensate;
b) air;
c) nitrogen;
d) sour
e) lube oil, seal oil;
f) D;
g) plumbing and sewers.

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18
Q

6.4 Extent of Visual External and CUI Inspections

This external visual inspection for potential CUI is also to assess insulation condition and shall be conducted on all piping systems ______to CUI

A

susceptible

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19
Q

6.4 Extent of Visual External and CUI Inspections

NDE inspection for CUI should also be conducted as listed in Table 2 at suspect locations operating between ______ and ____ for carbon steel and low alloy steel piping

A

10 °F (–12 °C), 350 °F (175 °C)

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20
Q

6.4 Extent of Visual External and CUI Inspections

Piping systems that are known to have a remaining life of over __ years or that are adequately protected against external corrosion need not be included for the NDE inspection recommended in Table 2

A

10

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21
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.1 CML Monitoring

CMLs to be monitored at each inspection shall be determined by the ______ in consultation with a ______ and/or corrosion specialist where non-uniform corrosion or other damage mechanisms are expected

A

inspector; piping engineer

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22
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.1 CML Monitoring

If RBI is used to set the inspection interval or due date, CMLs not required for inspection per the RBI assessment ______to be inspected in accordance with the recommended maximum inspection intervals in Table 1

A

do not need

23
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.2 Point-to-Point Method

An analysis method, whereby the corrosion rate, remaining life and re-inspection interval is determined for each _______

A

individual CML

24
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.2 Point-to-Point Method

Future inspections are managed based on the worst case _____ established at each CML location

A

1/2 life

25
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.2 Point-to-Point Method

During a re-inspection of a piping system, all of the CMLs may be re-inspected or only those that are _____

A

coming due.

26
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.3 Circuit Analysis Method

Approach is generally applicable to damage mechanisms that produce _____ and some mildly localized corrosion environments

A

uniform

27
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.3 Circuit Analysis Method

Locations that exhibit significantly different corrosion rates and locations with shorter remaining life may need to be _________

A

analyzed separately.

28
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.3 Circuit Analysis Method

A ______ should be considered to check the statistical confidence factor given the variability of the data set (within a circuit).

A

sampling statistic

29
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.3 Circuit Analysis Method

As a minimum, the worst-case CMLs within the circuit shall be inspected at the _______________

A

next established inspection interval.

30
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.4 Data Analysis

Where localized damage mechanisms are expected, sampling should include the_______(top/bottom, inside/outside radius, etc.) to help identify the specific active mechanism and provide data for future adjustments to CML locations

A

orientation

31
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.4 Data Analysis

The number and specific CMLs to be monitored at each inspection shall be determined by the _______ in consultation with a ______________ where non-uniform corrosion or other damage mechanisms are expected.

A

inspector, piping engineer and/or corrosion specialist

32
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.4 Data Analysis

CMLs that are not driving the next inspection interval do not necessarily need to be inspected in accordance with the recommended maximum inspection intervals in ______

A

Table 1

33
Q
  1. 5 Extent of Thickness Measurement Inspection and Data Analysis
  2. 5.4 Data Analysis

In addition, some CMLs may be documented as __________. Although these CMLs may be maintained within the system (or electronic IDMS), they do not need to be measured on calculated intervals and would not be considered as ______.

A

“inactive” or “archived”, overdue.

34
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.1 Small Bore Piping (SBP)

Class 1 and 2 secondary SBP shall be inspected to the same requirements as ____________

A

primary process piping.

35
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.1 Small Bore Piping (SBP)

Class 1 and 2 secondary SBP shall be inspected to the same requirements as ____________

A

primery process piping

36
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.1 Small Bore Piping (SBP)

Inspection of Class 3 and Class 4 secondary SBP is _____at the owner-users discretion depending upon reliability and risk.

A

optional

37
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.1 Small Bore Piping (SBP)

_______ and radiography are the preferred inspection methods for insulated SBP

A

Insulation stripping

38
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.2 Deadleg Inspection

Inspections of horizontal deadlegs that may not be liquid full should have examination points in __________of any CMLs.

A

all four quadrants

39
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.2 Deadleg Inspection

Potentially corrosive deadlegs with CMLs should be tracked in a separate ________ from the mainline piping

A

piping circuit

40
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.2 Deadleg Inspection

Inspections should include profile radiography on small diameter deadlegs, such as vents and drains, and scanning UT or RT on larger diameter deadlegs. Other examination techniques for deadlegs include _______

A

EMAT and PEC

41
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.2 Deadleg Inspection

Deadlegs that may collect water and be susceptible to freezing from external ambient conditions should be adequately insulated and _______for such cases.

A

heat traced

42
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.3 Auxiliary Piping Inspection

Inspection of auxiliary SBP associated with instruments and machinery is ______ and the need for which would typically be determined by risk assessment

A

optional

43
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.3 Auxiliary Piping Inspection

Criteria to consider in determining whether auxiliary SBP will need some form of inspection include the following:

a) piping _________;
b) potential for environmental or fatigue cracking, particularly on non-braced SBP (e.g. reciprocating and centrifugal compressors, flow induced vibration);
c) potential for corrosion based on experience with adjacent primary systems;
d) potential for ____;
e) potential for fatigue, erosion and/or corrosion on thermowells.

A

a) classification;
b) potential for environmental or fatigue cracking, particularly on non-braced SBP (e.g. reciprocating and centrifugal compressors, flow induced vibration);
c) potential for corrosion based on experience with adjacent primary systems;
d) CUI;
e) potential for fatigue, erosion and/or corrosion on thermowells.

44
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.4 Threaded-connection Inspection and Mitigation

When selecting CMLs on threaded connections, include those threaded connections that can be ______ during scheduled inspections

A

radiographed

45
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.4 Threaded-connection Inspection and Mitigation

When seal-welding threaded connections to reduce likelihood of threaded connection failure scenarios, pay close attention to weld prep cleanliness to avoid welding defects and cover _______ completely.

A

all threads

46
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.4 Threaded-connection Inspection and Mitigation

SBP connections associated with rotating equipment, especially threaded connections are often subject to ______ damage.

A

fatigue

47
Q
  1. 6 Extent of Inspections on Small-bore Piping, Deadlegs, Auxiliary Piping, and Threaded Connections
  2. 6.4 Threaded-connection Inspection and Mitigation

As such, they should be periodically assessed and considered for possible renewal with a thicker wall or upgrading ______

A

joint design

48
Q
  1. 7 Inspection and Maintenance of Pressure-relieving Devices (PRDs)
  2. 7.1 General

PRDs shall be tested and repaired by a _________ experienced in pressure relieving device maintenance

A

repair organization

49
Q
  1. 7 Inspection and Maintenance of Pressure-relieving Devices (PRDs)
  2. 7.2 Quality Assurance Process for PRDs

Each equipment repair organization shall have a fully documented ____________

A

quality assurance system

50
Q
  1. 7 Inspection and Maintenance of Pressure-relieving Devices (PRDs)
  2. 7.2 Quality Assurance Process for PRDs

Each repair organization shall also have a fully documented ______ that shall ensure that repair personnel are qualified within the scope of the repairs.

A

training program

51
Q
  1. 7 Inspection and Maintenance of Pressure-relieving Devices (PRDs)
  2. 7.3 PRD Testing and Inspection Intervals
  3. 7.3.1 General

The inspection interval for all pressure- relieving devices is determined by the __________ or other qualified individual per the owner/user’s quality assurance system.

A

inspector, engineer,

52
Q
  1. 7 Inspection and Maintenance of Pressure-relieving Devices (PRDs)
  2. 7.3 PRD Testing and Inspection Intervals
  3. 7.3.2 PRD Testing and Inspection Intervals

Unless documented experience and/or an RBI assessment indicates that a longer interval is acceptable, test and inspection intervals for pressure-relieving devices in typical process services should not exceed:

a) _____for typical process services, and
b) _____for clean (non-fouling) and noncorrosive services.

A

a) 5 years

b) 10 years

53
Q
  1. 7 Inspection and Maintenance of Pressure-relieving Devices (PRDs)
  2. 7.3 PRD Testing and Inspection Intervals
  3. 7.3.2 PRD Testing and Inspection Intervals

As a default criteria for a valve being stuck shut, use a max ____ of set pressure beyond which the valve is classified as stuck shut if it does not pop, and the test is discontinued

A

150 %

API 570 (5 decks)

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