7. Data and Information Collection for RBI Assessment Flashcards
7.1 General
data sources include
a) design and
b) inspection and
c) operating and
d) hazards analysis and
e) Materials selection records, corrosion
f) Cost and project
a) construction records;
b) maintenance records;
c) process technology records;
d) management of change (MOC) records
e) engineering records, and library/database;
f) engineering records.
- 2 RBI Data Needs
- 2.1 General
- For each RBI approach it is important to document all bases for the study and
assumptions from the onset and to apply a consistent rationale
- 2 RBI Data Needs
- 2.1 General
- Documentation of unique equipment and piping identifiers is
a good starting point for any level of study
- 2 RBI Data Needs
- 2.1 General
- The equipment should also correspond to
a unique group or location
- 2 RBI Data Needs
- 2.1 General
Typical data needed for an RBI analysis (1/2)
a) type of
b) materials of
c) inspection, repair, and
d) process fluid
e) inventory of
f) operating
g) safety
a) equipment;
b) construction;
c) replacement records;
d) compositions;
e) fluids;
f) conditions;
g) systems;
- 2 RBI Data Needs
- 2.1 General
Typical data needed for an RBI analysis (1/2)
h) detection
i) damage mechanisms, rates, and
j) personnel
k) coating, cladding, and
l) business interruption
m) equipment replacement
n) environmental remediation
h) systems;
i) severity;
j) densities;
k) insulation data;
l) cost;
m) costs;
n) costs.
- 2 RBI Data Needs
- 2.2 Data Needs for Qualitative RBI
- That items required only need to be categorized into
broad ranges or classified versus a reference point.
- 2 RBI Data Needs
- 2.2 Data Needs for Qualitative RBI
- Higher level of judgment, skill, and understanding from
the user than a more quantitative approach
- 2 RBI Data Needs
- 2.2 Data Needs for Qualitative RBI
- it is important to have qualified persons perform
the qualitative RBI analysis
- 2 RBI Data Needs
- 2.3 Data Needs for Quantitative RBI
- Uses logic models depicting combinations of events that could result in severe accidents and
physical models depicting the progression of accidents and the transport of a hazardous material to the environment
- 2 RBI Data Needs
- 2.3 Data Needs for Quantitative RBI
- The models are evaluated probabilistically to provide a level of risk and
to identify the design, site, or operational characteristics that are the most important to risk.
- 2 RBI Data Needs
- 2.3 Data Needs for Quantitative RBI
- Detailed information and data are
needed for a fully quantitative RBI
- 2 RBI Data Needs
- 2.4 Data Needs for Semi-quantitative RBI
- Typically requires the same type of data as a quantitative analysis, but
generally not as
detailed. For example, the fluid volumes may be estimated.
- 2 RBI Data Needs
- 2.4 Data Needs for Semi-quantitative RBI
- the time required for data gathering and analysis will be less than
quantitative analysis; however, that does not mean that the analysis will be less accurate
- 3 Data Quality
1. Quality of input data is equally important
no matter what approach to RBI is selected
- 3 Data Quality
2. Data inputs and assumptions shall be validated by
- qualified personnel such as process engineer/operator
7.3 Data Quality
reasons for inspection data quality errors
a) outdated drawings and
b) errors within inspection planning,
c) clerical and data
d) measurement equipment
e) wrong assumptions on
a) documentation;
b) execution, and documentation;
c) transcription errors;
d) accuracy.
e) equipment history (example: substitute base line thickness for nominal thickness)
7.3 Data Quality
Important points in the integrity mechanical calculations
- It is very important the correct accuracy the
remaining life and corrosion rates.
7.3 Data Quality
Important points in the integrity mechanical calculations
- Sometimes it is necessary compare the results with previous measurements on
that system, similar systems at the site, or within the company or published data.
7.3 Data Quality
Important points in the integrity mechanical calculations
- This data validation step is necessary for the
quality of any inspection program, not just RBI.
- 4 Codes and Standards—National and International
1. The selection and type of codes and standards used by a facility it is necessary and
can have a significant impact on RBI results
7.5 Sources of Site-specific Data and Information
- It is important to stress that the precision of the data
should
match the complexity of the RBI method used
- 5 Sources of Site-specific Data and Information
2. It may be advantageous to combine RBI data gathering with
other risk/hazard analysis data gathering [e.g. PHA, RCM, etc)
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
a) Design and construction records/drawings (1/2):
1) P&IDs, process flow
2) piping isometric
3) engineering specification
4) materials of
5) construction quality assurance/
6) codes and
7) protective instrument
1) diagrams, material selection diagrams (MSDs), etc.;
2) drawings;
3) sheets;
4) construction records;records;
5) quality control (QA/QC) records;
6) standards used;
7) systems;
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
a) Design and construction records/drawings (2/2):
8) leak detection and
9) isolation
10) inventory
11) emergency depressurizing and
12) safety
13) fire-proofing and
14) layout.
8) monitoring systems;
9) systems;
10) records;
11) relief systems;
12) systems;
13) fire-fighting systems;
14) layout.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
b) Inspection records:
1) schedules and
2) amount and
3) repairs and
4) positive
5) inspection
1) frequency;
2) types of inspection;
3) alterations;
4) material identification (PMI) records;
5) results.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
c) Process data:
1) fluid composition analysis including
2) distributed control
3) operating
4) start-up and
5) emergency
6) operating logs and
7) PSM/PSI, PHA, RCM, FMEA, and
1) contaminants or trace components;
2) system data;
3) procedures;
4) shutdown procedures;
5) procedures;
6) process records;
7) QRA data or reports.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
d) MOC
e) Off-site data and
j) Incident
d) records.
e) information—if consequence may affect off-site areas.
j) investigations.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
f) Failure data:
1) generic failure frequency data—industry or
2) industry-specific
3) plant- and equipment-
4) reliability and
5) leak
1) in-house;
2) failure data;
3) specific failure data;
4) condition monitoring records;
5) data.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
g) Site conditions:
1) climate/
2) seismic
1) weather records;
2) activity records.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
h) Equipment replacement costs:
1) project
2) industry
1) cost reports;
2) databases.
7.5 Sources of Site-specific Data and Information
Potential sources of specific information:
i) Hazards data:
1) PSM studies;
2) PHA studies;
3) QRA studies;
4) other site-specific risk or hazard studies.
