Family Field Descriptions

Component

Character

Identifies the RBI Component.

This field is disabled and populated automatically with a value in the following format:

RBICOMP-<Asset>-<Component Type>-<Number>

...where:

• <Asset> is the value in the Asset field.
• <Component Type> is a value based on the type of the component, defined as follows:
  • CS: Cylindrical Shell
  • EB: Exchanger Bundle
  • HD: Exchanger Header
  • ET: Exchanger Tube
  • PP: Piping
  • TB: Tank Bottom
  • RV: Relief Valves
  • RD: Rupture Disks
  • PC: Pump Compressor Casing
• <Number> is the sequence number of the component.

Component Comments

Text

Comments about the component.

None

Component Date in Service

Date

The date on which the component was first put into service.

You can use the Calendar feature to select the date.

Component Description

Character

A description used to identify the Component.

None

Component Status

Character

Indicates whether a component is active or inactive.

Component Type

Character

Identifies which part of the asset the component represents.

The value in this field must be stored in the Criticality Item Type field in one of the Equipment Types records delivered in the APM database.

Character

Identifies the asset.

This field is populated automatically.

Character

Identifies the asset family.

This field is disabled and populated automatically.

Functional Location

Character

Identifies the Functional Location of the asset.

This field is disabled and populated automatically.

Area Humidity

Character

A value based on the geographical location in which the asset is operated.

This field contains the description of all the System Codes in the MI_RBI_Area_Humidity System Code Table. You can choose from the following baseline values:

• Low
• Medium
• High

Calculated Inventory

Numeric

A calculated value based on process fluid properties and dimensions of the component.

This field is disabled and populated automatically. This value is derived from asset dimensions that have been entered in the system instead of an estimated volume.

Detection Time

Numeric

The time, in minutes, that is required to detect loss of containment.

None

Fluid Valid for 581 Analysis

Indicates whether the process fluid is valid for an RBI 581 Risk Analysis.

This check box is disabled and selected if the fluid that you have selected in the Process Fluid field is valid for RBI 581.

If this check box is cleared, and you perform an RBI 581 Risk Analysis, you will not be able to calculate the analysis.

The value in this field is used to calculate an analysis if the component type is Storage Tank.

This field contains the description of all the System Codes in the FOUNDATION TYPES System Code Table. You can choose from the following baseline values:

• Clay
• Concrete
• Double Floor
• Gravel
• Sand
• Silt

Initial Fluid Phase

Character

The phase that the representative fluid is in while under containment in current operating conditions.

The value in this field is used to populate the Initial Fluid Phase field on an associated RBI 581 Risk Analysis datasheet.

This field contains the description of all the System Codes in the FLUID TYPES System Code Table. You can choose from the following baseline values:

• Liquid
• Gas

Inventory

Numeric

The volume of the asset that could potentially be released in the event of a failure.

The value in this field is calculated and used to populate the Inventory Component Mass field in the RBI Consequence Evaluation that is linked to an analysis performed on this component.

The name of the inventory group to which the component is linked.

If the component is linked to an inventory group, then this field is disabled and populated with the value in the Inventory Group Name field in the associated Inventory Group Configuration record.

Isolation Time

Numeric

The time, in minutes, that is required to isolate loss of containment.

None

Operating Pressure

Numeric

The internal pressure of the asset under normal operating conditions. It is measured in pounds per square inch gauge.

The value in this field is used to populate the Operating Pressure field in the associated analysis.

Operating Temperature

Numeric

The temperature of the asset under normal operating conditions. It is measured in degrees Fahrenheit.

The value in this field is used to populate the Operating Temperature field in the associated analysis.

Percent Toxic

Numeric

The amount of toxic substances by volume in the process stream.

This field is enabled only if the Toxic Mixture check box is selected.

Process Fluid

Character

The fluid that represents or makes up the greatest volume of the asset. In some cases, the fluid that represents the greatest cause of failure may be selected.

The value in this field must be stored in the Fluid field in one of the Representative Fluids records in the APM database.

If you select a fluid that is valid for RBI 581, the Fluid Valid for 581 Analysis check box is selected automatically.

If the value in the Component Type field is Storage Tank Bottom, then this field must contain a fluid with a Dynamic Viscosity greater than 0. In the baseline APM, the following fluids have a valid Dynamic Viscosity and are supported by the Storage Tank Bottom:

• C6-C8
• C9-C12
• C13-16 (Diesel)
• C17-25 (Gas Oil)
• C25+ (Resid)
• H2O (Water)

Toxic Fluid

Character

The fluid that represents or makes up the greatest toxic volume of the asset. In some cases, the fluid that contributes to the greatest Consequence of Failure (CoF) may be selected.

This field is enabled only if the Toxic Mixture check box is selected.

The value in this field must be stored in the Process Fluid field in one of the Representative Fluids records delivered in the APM baseline database.

Indicates whether the toxic fluid is valid for an RBI 581 Risk Analysis.

This check box is disabled and selected if the fluid that you have selected in the Toxic Model field is valid for RBI 581.

Toxic Mixture

Boolean

Indicates whether or not the process stream contains toxic substances.

If you select this check box, the Toxic Fluid and Percent Fluid boxes are enabled.

Code Year

Character

The year in which the design code that corresponds to the component was defined.

The value in this field must be stored in the Code Year field in the APM Reference Table that corresponds to the value in the Stress Lookup Table field in the RBI Component record.

The value in this field is used to populate the Base Material Code Year field on the datasheet of the associated analysis.

The value in this field is used to populate the Base Material Construction Code field on the datasheet of the associated analysis.

The value in this field is used to calculate the values in the Allowable Stress, Flow Stress, and Material Yield Strength fields on the datasheet of the associated analysis, if the Stress Override check box is not selected, and if the analysis is linked to the following DMs:

• 581-Brittle Fracture
• 581-Low Alloy Steel Embrittlement
• All DMs that belong to RBI 581 Thinning and Lining Evaluation
• All DMs that belong to RBI 581 External Damage Evaluation

Design Pressure

Numeric

The pressure at which the component is designed to operate. It is measured in pounds per square inch gauge.

The value in this field is used to populate the Design Pressure field in the associated analysis.

Design Temperature

Numeric

The temperature at which the component is designed to operate. It is measured in degrees Fahrenheit.

The value in this field is used to populate the Design Temperature field in the associated analysis.

Inside Diameter

Numeric

The measurement of the inner diameter of a circular or cylindrical asset, in inches.

The value in this field is used to:

• Populate the Diameter InnerDiameter field on the datasheet of an associated RBI 581 Risk Analysis.
• Calculate the value in the Inventory Component Mass field on an RBI 581 Consequence Evaluation datasheet if you have selected the Use Calculated Inventory check box.

Insulated?

Boolean

Indicates whether or not the component is insulated.

If you select or clear this check box, the Insulated check box on the datasheet of an associated RBI Analysis is selected or cleared accordingly.

Insulation Type

Character

Identifies the insulating material used in the component.

This field is enabled only if the Insulated? check box is selected. The value in this field is used to populate the Insulation Type field on an associated RBI 581 Risk Analysis datasheet.

This field must contain one of the following values:

• Asbestos
• Calcium Silicate (Cl Free)
• Calcium Silicate (Not Cl Free)
• Foam/Cellular Glass
• Mineral Wool/Fiber Glass
• Pearlite
• Unknown

Is Entry Possible?

Boolean

Indicates whether it is possible to physically enter an asset for the purposes of performing an inspection.

This field contains the description of all the System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

Length

Numeric

The total length, in inches, of an asset measured in a straight line from head seam to head seam.

This value is used to:

• Populate the Length field on the datasheet of an associated RBI 581 Risk Analysis.
• Calculate the value in the Inventory Component Mass field on an RBI 581 Consequence Evaluation datasheet if you have selected the Use Calculated Inventory check box.

Material Grade

Character

Identifies the grade of the material of the component provided by the manufacturer. You can find it on the nameplate or the U1 Form.

The value in this field must be stored in the Material Grade field in the APM Reference Table that corresponds with the value the Stress Lookup Table field in the RBI Component.

The value in this field is used to populate the Base Material Grade field on the datasheet of the associated analysis.

Material Spec

Character

Identifies the material of the component that is provided by the manufacturer. You can find it on the nameplate or the U1 Form.

The value in this field must be stored in the Material Spec field in the APM Reference Table that corresponds with the value the Stress Lookup Table field in the RBI Component.

The value in this field is used to populate the Base Material Spec field on the datasheet of the associated analysis.

Nominal Thickness

Numeric

An estimated or measured thickness used as the starting point for thickness based Remaining Life calculations.

The value in this field is used to populate the Furnished Base Material Thk (Nominal Thickness) field on the datasheet of an associated RBI 581 RiskAnalysis.

PWHT

Boolean

Indicates whether or not Post Weld Heat Treatment (PWHT) has been performed to relieve residual stresses from the construction of the asset.

Stress Lookup Table

Character

Identifies the type of asset being assessed so that the appropriate design codes are used.

This field contains the description of all the System Codes in the MI_STRESS_LOOKUP_TABLE System Code Table. You can choose from the following baseline values:

• Piping
• Pressure Vessels
• Tanks

The value in this field is used to populate the Stress Lookup Table field on the datasheet of the associated analysis.

Weld Joint Efficiency

Numeric

Indicates the type of inspection used to ensure the quality of welds and the type of weld joints used during construction.

This field is used to populate the Weld Joint Effy field on the datasheet of an RBI 581 Risk Analysis.

This field must contain one of the following values:

• 0.35
• 0.4
• 0.45
• 0.5
• 0.55
• 0.6
• 0.65
• 0.7
• 0.75
• 0.8
• 0.85
• 0.9
• 0.95
• 1.0

Corrosion Type

Character

The type of corrosion to which equipment is susceptible.

You can specify a value for this field using the datasheet.

Corrosive Product

Character

Identifies the elements in the process stream that are responsible for the most aggressive corrosion.

None

Estimated External Corrosion Rate

Numeric

The rate of external degradation given by the subject matter expert during the corrosion study. This value is used in the absence of quality data from the field.

The value in this field is used to populate the Base Material Estimated Corrosion Rate field on an associated RBI 581 External Damage Evaluation datasheet.

Estimated Internal Corrosion Rate

Numeric

The rate of internal degradation provided by the subject matter expert during the corrosion study. This value is used in the absence of quality data from the field.

The value in this field is used to populate the Base Material Estimated Corrosion Rate field on an associated RBI 581 Thinning and Lining Damage Evaluation datasheet.

Internal Corrosion Type

Character

Used in inspection planning to drive different activities for localized and general thinning mechanisms.

This field contains the descriptions of all the System Codes in the CORROSION TYPES System Code Table. You can choose from the following baseline values:

• General
• Localized
• Pitting

Measured External Corrosion Rate

Numeric

The corrosion rate, in inches per year, identified by Ultrasonic Thickness or Profile Radiography in the field.

None

Predictable Corr. Location

Boolean

Indicates whether or not it is known where the most aggressive corrosion is happening in the asset.

Predictable Int. Corr. Location

Boolean

Indicates whether or not it is known where the most aggressive internal corrosion is happening in the asset.

Source of Calculated Corrosion Rate

Character

The source of the Thickness Monitoring Calculated Corrosion Rate.

The value in this field is used while integrating this module with Thickness Monitoring. This field contains the descriptions of all the System Codes in the MI_RBI_CALC_CORRO_SRC System Code Table. You can choose from the following baseline values:

• Asset
• Component
• Manual Entry

The following table provides the behavior of the Controlling Corrosion Rate, Short Term Corrosion Rate, and Long Term Corrosion Rate fields in the associated RBI 581 Thinning and Lining Evaluation or Criticality Int. Corr. Deg. Mech. Eval. based on your selection in this field.

This field contains the descriptions of all System Codes in the MI_581_Amine_Types System Code Table. You can choose from the following baseline values:

• MEA
• DEA
• MDEA

The value in this field is used to populate the Amine Type field in the RBI 581 Thinning and Lining Evaluation Record of the associated analysis.

This field contains a list of the types of base material that are generally used in a component. The value in this field is used to populate the Base Material field on the datasheet of an associated RBI 581 Risk Analysis.

This field contains a list of the types of cladding material that are generally used for cladding.

The value in this field is used to populate the Cladding Material field on the datasheet of an associated RBI 581 Risk Analysis.

This field contains the description of all the System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to populate the Cladding is Present? field on the datasheet of an associated RBI 581 Risk Analysis.

This field contains the descriptions of all System Codes in the MI_581_Cooling_System System Code Table. You can choose from the following baseline values:

• Once-Through
• Recirculating

The value in this field is used to populate the Cooling System Type field in the RBI 581 Thinning and Lining Evaluation Record of the associated analysis.

The value in this field is populated in the Detection System field on the datasheet of the associated RBI 581 Consequence Evaluation.

This field contains the description of all System Codes in the 581_Detection System Code Table. You can choose from the following baseline values:

• Loss of Pressure or Flow (A)
• Pressure Envelope (B)
• Visual Detection (C)

This value is used to populate the Fluid Velocity field on an associated RBI 581 Risk Analysis.

The value in this field is used to populate the Geometry Type field on an associated RBI 581 Risk Analysis datasheet.

This field contains the descriptions of all System Codes in the MI_581_Component_Geometry_Types System Code Table. You can choose from the following baseline values:

• Cylinder
• Spherical Head
• Hemispherical Head
• Piping
• Head
• PLT (Only for Tank Bottom)

The value in this field is used to calculate an analysis.

This field must contain one of the following values:

This field is enabled only if the component type is Storage Tank Bottom.

If you select this check box, then the value in the Maximum Fill Height in AST field in the associated RBI 581 Consequence Evaluation record is populated with the value 0.25 feet.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to populate the Is Air or Oxidant Present? field in the RBI 581 Thinning and Lining Evaluation Record of the associated analysis.

The value in this field is used to populate the Is Intrusive? field on the datasheet of an associated RBI 581 Risk Analysis.

The value in this field is used to calculate the consequence of failure. This value is populated in the Isolation System field on the datasheet of the associated RBI 581 Consequence Evaluation.

This field contains the descriptions of all the System Codes in the 581_Isolation System Code Table. You can choose from the following baseline values:

• Auto Shutdown
• Leakage Shutdown (This value appears only if the value in the Detection System field isPressure Envelope (B) orVisual Detection (C))
• Manual Shutdown (This value appears only if the value in the Detection System field isVisual Detection (C))

The value in this field is used to populate the Liner is Present field on the datasheet of an associated RBI 581 Thinning and Lining Evaluation.

This field contains the description of all the System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Liner Present field is Yes (Y). The value in this field is used to populate the Liner Type field on an associated RBI 581 Thinning and Lining Evaluation datasheet.

This field contains the descriptions of all System Codes in the MI_581_Lining_Types_And_Resistance System Code Table. You can choose from the following baseline values:

• Strip Lined Alloy
• Organic Coating (typically > 0.762mm / 30 mils)
• Thermal Resistant Service - Castable Refractory
• Severe/Abrasive Service - Castable Refractory
• Glass Linings
• Acid Brick
• Fiberglass

The value in this field is used to populate the Minimum Structural Thickness field on an associated RBI 581 Risk Analysis datasheet.

The value in this field is used to calculate the consequence of failure. This value is populated in the Mitigation System field on the datasheet of the associated RBI 581 Consequence Evaluation.

This field contains the descriptions of all the system codes in the 581_Mitigation_System System Code Table. You can choose from the following baseline values:

• Inventory Blowdown
• Fire water deluge system
• Fire water monitors only
• Foam spray system
• No mitigation system

The value in the field is used to populate the pH of Water field on an associated RBI 581 Risk Analysis datasheet.

This field contains the descriptions of all System Codes in the 581_Primary_Soil_Type System Code Table. You can choose from the following baseline values:

• Sand
• Silt
• Clay

The value in this field is used to populate the Soil Type 581 field in the RBI 581 Thinning and Lining Evaluation Record of the associated analysis.

This value in this field, in addition to the following other Piping Stress fields, is used to determine the value that is populated in the Allowable Stress field in the associated RBI 581 Risk Analysis:

• Base Material Code Year
• Base Material Construction Code
• Design Temperature
• Base Material Grade
• Base Material Spec
• Stress Lookup Table

The value in this field is used to populate the Base Material Code Year field in the associated RBI 581 Risk Analysis:

This field must contain a value in order for APM to retrieve:

• The value in the Allowable Stress field in the Piping Stress record from the Piping Stress reference table.
• Values in the Base Material Spec list in the Piping Stress record.

The value in this field is used to populate the Base Material Construction Code field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve the value in the Allowable Stress field in the Piping Stress record from the Piping Stress Reference table.

The value in this field is used to populate the Base Material Grade field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve the value in the Allowable Stress field in the Piping Stress record from the Piping Stress Reference table.

If there is no material grade value in the specification, then this field is populated with the value NS, which implies not specified.

For Construction Code B31.3 or B31.1 and Code Year 2014, if two or more Piping Stress records have the same values for Material Specification and Material Grade, then the value in this field is populated with a value in the following format: <Material Grade>-<Class>-<Size>-<Notes>

The value in this field is used to populate the Base Material Spec field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve:

• The value in the Allowable Stress field in the Piping Stress record from the Piping Stress reference table.
• Values in the Material Grade list in the Piping Stress record.

Metal Temperature

The value in this field is used to populate the Design Temperature field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve the value in the Allowable Stress field in the Piping Stress record from the Piping Stress reference table.

This value in this field, in addition to the following other PV Stress fields, is used to determine the value that is populated in the Allowable Stress field in the associated RBI 581 Risk Analysis:

• Base Material Code Year
• Base Material Construction Code
• Design Temperature
• Base Material Grade
• Base Material Spec
• Stress Lookup Table

The value in this field is used to populate the Code Year field in the associated RBI 581 Risk Analysis:

This field must contain a value in order for APM to retrieve:

• The value in the Allowable Stress field in the PV Stress record from the PV Stress reference table.
• Values in the Base Material Spec list in the PV Stress record.

The value in this field is used to populate the Base Material Construction Code field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve the value in the Allowable Stress field in the PV Stress record from the PV Stress Reference table.

The value in this field is used to populate the Base Material Grade field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve the value in the Allowable Stress field in the PV Stress record from the PV Stress Reference table.

The value in this field is used to populate the Base Material Spec field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve:

• The value in the Allowable Stress field in the PV Stress record from the PV Stress reference table.
• Values in the Material Grade list in the PV Stress record.

The value in this field is used to populate the Design Temperature field in the associated RBI 581 Risk Analysis.

This field must contain a value in order for APM to retrieve the value in the Allowable Stress field in the PV Stress record from the PV Stress reference table.

Comments

Text

Details about the corrosion loop.

None

Created By

Character

The name of the user who created the RBI Corrosion Loop.

This field is disabled and populated automatically with the name of the person logged in to APM.

Created On

Date

The date on which the RBI Corrosion Loop was created.

This field is disabled and populated automatically.

Last Updated By

Character

The first and last name of the most recent user to update the RBI Corrosion Loop.

This field is disabled and populated automatically with the name of the person logged in to APM while modifying the record.

Last Updated On

Date

The date on which the most recent update was made to the RBI Corrosion Loop.

This field is disabled and populated automatically.

RBI Corrosion Loop Description

Character

Information about the purpose and contents of the corrosion loop.

None

RBI Corrosion Loop From

Character

The origin designation of the corrosion loop.

This field identifies the asset or feed source of the corrosion loop.

RBI Corrosion Loop ID

Character

A unique value that identifies the RBI Corrosion Loop.

This field is disabled and populated automatically.

RBI Corrosion Loop To

Character

The termination designation of the RBI Corrosion Loop.

This field identifies the asset or landmark at which the corrosion loop ends.

Combined Consequence

Character

The category of the combined consequence of failure.

Degradation Mechanism

Character

A process that induces deleterious micro and macro material changes over time that are harmful to the material condition or mechanical properties.

This field contains the description of all the System Codes in the MI_DEGRADATION_MECHANISM_TYPES System Code Table.

Probability of Failure

Character

Extent to which an event is likely to occur within the time frame under consideration. The mathematical definition of probability is a real number in the scale 0 to 1 and is attached to a random event.

None

RBI - <Component> - <Damage Mechanism>

...where:

• <Component> is the value in the Component field in the RBI 581 Risk Analysis.
• <Damage Mechanism> is the value in the Damage Mechanism field in the RBI Recommendation.

• The value in the Recommended Inspection Interval field. This happens if the value in the Use Calculated Data field in the Inspection Strategy field is set to False.
• The value in the Estimated Half Life field. This happens if the value in the Use Calculated Data field in the Inspection Strategy field is set to True.

For other DMEs, this field is populated automatically with the value in the Target Inspection Date field on the RBI 581 Risk Analysis datasheet.

• For RBI Recommendations, the value in this field can be RBI 580 or RBI 581.
• For Compliance, the value in this field is set to the name of the Compliance Strategy Template.

This field is disabled.

The field is disabled and does not appear in the datasheet.

The field is disabled.

The critical exposure temperature, in degrees Fahrenheit, to which the component is subject.

The value in this field is required to calculate the value in the Reference Temperature field if you are evaluating the 581-Brittle Fracture or the 581-Low Alloy Steel Embrittlement DM.

This field contains the descriptions of all the System Codes in the MI_581_Material_Temperature_Exemption_Curves System Code Table. You can choose from the following baseline values:

• Temperature Exemption A Curve

• Temperature Exemption B Curve

• Temperature Exemption C Curve

• Temperature Exemption D Curve

The value in this field is required to calculate the analysis if you are evaluating any of the following DMs:

• 581-Sigma Phase Embrittlement
• 581-885F Embrittlement
• 581-Low Alloy Steel Embrittlement

The value in this field is required to calculate the damage factor for the 581-885F Embrittlement or the 581-Low Alloy Steel Embrittlement DM.

The value in this field is required to calculate the damage factor if you are evaluating the 581-Sigma Phase Embrittlement DM.

This field contains the descriptions of all the System Codes in the MI_581_Sigma_Percentage System Code Table. You can choose from the following baseline values:

• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• >=10

This field is disabled and calculated as follows:

CET-Tref = Critical Exposure Temperature (CET) - Reference Temperature

This field is disabled and populated automatically.

If the value in the Nominal Thickness field is less than or equal to 0.5 inches or the values in the following fields are as follows, then the value in this field is 0.01. Otherwise, it is 1.0.

This field is disabled and calculated as follows:

Tmin-Tref = Minimum Design Metal Temperature (MDMT) - Reference Temperature

This field is disabled and calculated as follows:

Tmpt-(Tref+FATT) = Minimum Design Metal Temperature (MDMT) - (Reference Temperature + Fracture Appearance Transition Temperature (FATT))

The value in this field is populated with the value in the Detection System field on the datasheet of the associated component.

This field contains the description of all System Codes in the 581_Detection System Code Table. You can choose from the following baseline values:

• Loss of Pressure or Flow (A)
• Pressure Envelope (B)
• Visual Detection (C)

The value in this field is populated with the value in the Isolation System field on the datasheet of the associated component.

This field contains the descriptions of all the System Codes in the 581_Isolation System Code Table. You can choose from the following baseline values:

• Auto Shutdown
• Leakage Shutdown (This value appears only if the value in the Detection System field isPressure Envelope (B) orVisual Detection (C))
• Manual Shutdown (This value appears only if the value in the Detection System field isVisual Detection (C))

The value in this field is populated with the value in the Mitigation System field on the datasheet of the associated component.

This field contains the descriptions of all the system codes in the 581_Mitigation_System System Code Table. You can choose from the following baseline values:

• Inventory Blowdown
• Fire water deluge system
• Fire water monitors only
• Foam spray system
• No mitigation system

This field is disabled and populated with the value in the Numeric Field Value column for Population Density on the RBI 581 Admin Options page.

If the component is linked to an inventory group, and, if you create or apply an RBI 581 Risk Analysis, this check box is selected automatically. If this check box is selected, the Inventory Component Mass and Inventory Group Mass fields are disabled and populated automatically.

The value in this field is required to calculate the financial environmental cost for a rupture if the component type is Storage Tank or Storage Tank Bottom.

This field contains the descriptions of all the system codes in the MI_581_Environmental_Sensitivity System Code Table. You can choose from the following baseline values:

• Low
• Medium
• High

If the Has Release Prevention Barrier? check box in the associated analysis is selected, this field is disabled and populated with the value 0.25 feet. Otherwise, this field is enabled and blank.

The value in this field is required to calculate the analysis if:

• The component type is Storage Tank

  -or-

• The component type isStorage Tank Bottom, and the Has Release Prevention check box on the datasheet of the component is cleared.

The value in this field is required to calculate the analysis if the component type is Storage Tank Bottom.

This field contains the descriptions of all the system codes in the MI_581_Soil_Types System Code Table. You can choose from the following baseline values:

• Clay
• Coarse Sand
• Concrete Asphalt
• Fine Sand
• Gravel
• Sand Clay
• Silt
• Very Fine Sand

This field is disabled and calculated as follows:

Adjusted Release Rate Large = Release Rate Large * (1 - Release Reduction Factor)

This field is disabled and calculated as follows:

Adjusted Release Rate Medium = Release Rate Medium * (1 - Release Reduction Factor)

This field is disabled and calculated as follows:

Adjusted Release Rate Rupture = Release Rate Rupture * (1 - Release Reduction Factor)

This field is disabled and calculated as follows:

Adjusted Release Rate Small = Release Rate Small * (1 - Release Reduction Factor)

This field is disabled and calculated as follows:

Damage Cost Surrounding Asset = Weighted Component Damage Consequence Area * Asset Cost

This field is disabled and calculated as follows:

Financial Injury Cost = Population Density * Weighted Personnel Injury Consequence Area * Injury Cost

The value in this field is used to calculate the value in the Total Financial Consequence field.

This field is disabled and calculated as follows:

Lost production On the Unit = (Outage_cmd + Outage_affa) * Prodcost

...where:

• Outage_cmd is the asset outage.
• Outage_affa is the surrounding asset outage.
• Prodcost is the value in the Production Cost field.

The value in this field is used to calculate the value in the Total Financial Consequence field.

Mitigation Factor

This field is disabled and populated automatically. The following table provides the values of Mitigation Factor based on the value in the Mitigation System field.

The value in this field is used to calculate the value in the Weighted Component Damage Consequence Area field.

This field is disabled and populated with the value I (Instantaneous) if the release time is less than or equal to 180 seconds, and the value in the Release Mass Large is greater than 10,000 pounds. Otherwise, the value in this field is C (Continuous).

This field is disabled and calculated as follows:

Total Toxic Release Mass Large = Release Mass Large * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Total Toxic Release Mass Medium = Release Mass Medium * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Total Toxic Release Mass Rupture = Release Mass Rupture * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Total Toxic Release Mass Small = Release Mass Small * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Toxic Release Rate Large = Release Rate Large * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Toxic Release Rate Medium= Release Rate Medium * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Toxic Release Rate Rupture= Release Rate Rupture * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and calculated as follows:

Toxic Release Rate Large = Release Rate Small * Mass Fraction

...where Mass Fraction is the toxic percentage of toxic component in the release fluid.

This field is disabled and populated with the maximum value among the values in the following fields:

• Weighted Component Damage Consequence Area
• Weighted NFNT Consequence Area
• Weighted Personnel Injury Consequence Area
• Weighted Toxic Consequence Area

The value in this field is used to plot the financial risk on the RBI 581 ISO Risk Plot.

This field is disabled and calculated as the sum of the following values:

• Financial Injury Cost
• Lost Production On the Unit
• Financial Consequence Environmental Clean-up Cost
• Surrounding Equipment Outage
• Equipment Outage

The value in this field is used to plot the financial risk on the RBI 581 ISO Risk Plot.

This field is disabled and populated automatically.

The value in this field is used to calculate the Age for RBI Date and Without Plan calculations if there is no value in the Last Known Inspection Date field. The Age calculation for With Plan will always consider the Target Inspection Date field.

The value in this field is required to calculate the value in the Base Damage Factor field. If you select the Use Combined Confidence check box, then the value in this field is calculated automatically.

This field contains the descriptions of all the System Codes in the MI_581_Inspection_Effectiveness System Code Table. You can choose from the following baseline values:

• Highly Effective
• Usually Effective
• Fairly Effective
• Poorly Effective
• InEffective (None)

This field is enabled only if the value in the Online Monitoring Flag is Yes (Y). The value in this field is used to calculate the value in the Online Monitoring Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Online Monitoring Flag is Yes (Y). The value in this field is used to calculate the value in the Online Monitoring Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is populated by the value in the Completion Date field for the Inspection. If there is more than one linked Inspection, the latest date is used. If there are no linked Inspections, this field will be blank. You can also enter a value in this field manually.

The value in this field is used to calculate the Age for RBI Date and Without Plan calculations. If there is no value, or if the Highest Effective Inspection Level is Poorly Effective or Ineffective (None), the Date In Service field will be used. The Age calculation for With Plan will always consider the Target Inspection Date field.

You can enter a value between 0 and 6. If you enter 0, then the Highest Effective Inspection Level field is disabled and populated with the value InEffective (None).

The value in this field is required to calculate the value in the Base Damage Factor field. If you select the Use Combined Confidence check box, then the value in this field is calculated automatically.

This field is used to calculate the analysis if you are evaluating the 581-HIC/SOHIC - H2S or the 581-HIC/SOHIC - HF DM.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if you are evaluating the 581-Other Cracking DM. Otherwise, this field is disabled and populated automatically. In the case of 581-Other Cracking, the value in this field is used to calculate the value in the Base Severity Index field.

This field must contain one of the following values:

• 1
• 0.2
• 0.02

The value in this field is used to calculate the value in the Base Damage Factor field. This field contains the descriptions of all System Codes in the MI_581_Cracking_Susceptibility System Code Table. You can choose from the following baseline values:

• High
• Medium
• Low
• None

If the value in the Susceptibility Type field is:

• Detected, then this field is disabled and populated with the value High.
• Estimated, then this field is enabled, and you can select a value manually.
• Calculated, then this field is disabled and blank.

The value in this field is required to populate the value in the Susceptibility field.

This field contains the descriptions of all System Codes in the MI_581_Cracking_Susceptibility_Types System Code Table. You can choose from the following baseline values:

• Estimated: If you select this value, then you can select a value in the Susceptibility field.
• Detected: If you select this value, then the Susceptibility field is disabled, and populated with the value, High.
• Calculated: If you select this value, then the value in the Susceptibility field is calculated based on the values in the fields in the Susceptibility Inputs section.

If you select this check box, then the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields are calculated automatically.

This field contains the descriptions of all System Codes in the MI_581_Amine_Solution_Types System Code Table. You can choose from the following baseline values:

• Fresh
• Lean
• Rich

The value in this field is used to calculate the value in the Susceptibility field if the following conditions are satisfied:

• You are evaluating the 581-Amine Cracking DM.

• The value in the Susceptibility Type field is Calculated.

If the value in the Amine Type field is Fresh or Rich, then the value in the Final Susceptibility field is None. If the value in the Amine Type field is Lean, then the value in the Final Susceptibility field is calculated based on the value in the Amine Type field.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Amine Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_581_Amine_Types System Code Table. You can choose from the following baseline values:

• MEA
• DIPA
• DEA
• Other Amine

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Caustic Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_581_Caustic_Types System Code Table. You can choose from the following baseline values:

• Area A
• Area B
• Area C

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Chloride Stress Corrosion Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Alkaline Carbonate Stress Corrosion Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Sulfide Stress Cracking or the 581-HIC/SOHIC - H2S DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Polythionic Acid Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Polythionic Acid Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Polythionic Acid Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Polythionic Acid Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-HIC/SOHIC - H2S DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Amine Cracking, 581-Alkaline Carbonate Stress Corrosion Cracking, or the 581-Caustic Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-HIC/SOHIC - HF or the 581-Hydrogen Stress Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Hydrogen Stress Cracking or the 581-Sulfide Stress Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Caustic Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-HIC/SOHIC - H2S DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_581_Product_Form System Code Table. You can choose from the following baseline values:

• Seamless/Extruded Pipe
• Rolled Plate

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Amine Cracking, 581-Alkaline Carbonate Stress Corrosion Cracking, or the 581-Caustic Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-HIC/SOHIC - H2S DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_581_Sulfur_Content_Of_Steel System Code Table. You can choose from the following baseline values:

• High Sulfur Steel (>0.01% S)
• Low Sulfur Steel (<=0.01% S)

The value in this field is used to calculate the value in the Susceptibility field if:

• You are evaluating the 581-Polythionic Acid Cracking DM.

  -and-

• The value in the Susceptibility Type field is Calculated.

This field contains the descriptions of all System Codes in the MI_581_Heat_Treatment_History System Code Table. You can choose from the following baseline values:

• Solution Annealed
• Stabilized Before Welding
• Stabilized After Welding

This field is disabled and populated automatically based on the values in the Key Process Variables and Hydrogen Probes fields:

This field is disabled and populated automatically.

The value in this field is used to calculate the Age for RBI Date and Without Plan calculations if there is no value in the Last Known Inspection Date field. The Age calculation for With Plan will always consider the Target Inspection Date field.

The value in this field is required to calculate the value in the Base Damage Factor field. If you select the Use Combined Confidence check box, then the value in this field is calculated automatically.

This field contains the descriptions of all the System Codes in the MI_581_Inspection_Effectiveness System Code Table. You can choose from the following baseline values:

• Fairly Effective
• Highly Effective
• Ineffective (None)
• Poorly Effective
• Usually Effective

This field is populated by the value in the Completion Date field for the Inspection. If there is more than one linked Inspection, the latest date is used. If there are no linked Inspections, this field will be blank. You can also enter a value in this field manually.

The value in this field is used to calculate the Age for RBI Date and Without Plan calculations. If there is no value, or if the Highest Effective Inspection Level is Poorly Effective or Ineffective (None), the Date In Service field will be used. The Age calculation for With Plan will always consider the Target Inspection Date field.

You can enter a value between 0 and 6.

The value in this field is required to calculate the value in the Base Damage Factor field. If you select the Use Combined Confidence check box, then the value in this field is calculated automatically.

If you select this check box, the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields are calculated automatically.

The value in this field is used to calculate the value in the Calculated Susceptibility field if the value in the Selected External Corrosion Rate field is Calculated.

This field contains the descriptions of all System Codes in the MI_ATMOSPHERIC_CONDITION System Code Table. You can choose from the following baseline values:

• Dry
• Marine
• Severe
• Temperate

The value in this field is used to calculate the value in the Final Susceptibility field if the DM that you are evaluating is 581-Austenitic Component Cracking Under Insulation.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the analysis.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Coating Adjustment field. This field is enabled only if the value in the Coating present? field is Yes (Y).

This field contains the descriptions of all System Codes in the 581_Coating_Quality System Code Table. You can choose from the following baseline values:

• High
• Medium
• Low
• None

The value in this field is used to calculate the value in the Final Susceptibility field if the DM that you are evaluating is 581-Austenitic Component Cracking Under Insulation.

This field must contain one of the following values:

• Above Average
• Average
• Below Average

The value in this field is used to calculate the value in the Final Susceptibility field if the DM that you are evaluating is 581-Austenitic Component Cracking Under Insulation.

This field must contain one of the following values:

• Above Average
• Average
• Below Average

The value in this field is used to calculate the analysis if the value in the Susceptibility Type is Estimated.

This field contains the descriptions of all System Codes in the MI_581_Cracking_Susceptibility System Code Table. You can choose from the following baseline values:

• High
• Medium
• Low
• None

The value in this field is required to populate the value in the Susceptibility field.

This field contains the descriptions of all System Codes in the MI_581_Cracking_Susceptibility_Types System Code Table. You can choose from the following baseline values:

• Estimated: If you select this value, you can select a value in the Susceptibility field.
• Detected: If you select this value, the Susceptibility field is disabled, and populated with the value, High.
• Calculated: If you select this value, the value in the Susceptibility field is calculated based on the values in the Atmospheric Condition and Operating Temperature fields.

The duration, in years, in which the component is subject to damage after the coating has been determined to be ineffective.

This field is disabled and calculated as follows:

Age = Component Age - Coating Adjustment

...where Component Age is the time since the date in the Last Known Inspection Date field. If this value is not specified, then the date in the Component Start Date field is considered.

If the Highly Effective Inspection Level is Poorly Effective of Ineffective (None), to calculate Age, the Date in Service is used instead of Last Known Inspection Date.

This field is disabled and calculated as follows:

Coating Age = Calculation Date - Coating Installation Date

...where Calculation Date is the value in the RBI Date field on the RBI 581 Risk Analysis datasheet.

If the Highly Effective Inspection Level is Poorly Effective of Ineffective (None), to calculate Time Since Last Inspection, the Date in Service is used instead of Last Known Inspection Date.

This field is disabled and populated automatically.

The value in this field is used to calculate the value in the Final Corrosion Rate field if the value in the Selected External Corrosion Rate field is Calculated.

This field is populated with the value in the Estimated External Corrosion Rate field on the RBI Component datasheet.

The value in this field is used to calculate the value in the Final Corrosion Rate field if the value in the Selected External Corrosion Rate field is Estimated.

This field is disabled and populated automatically.

The value in this field is required to calculate the analysis.

This field contains the descriptions of all System Codes in the MI_581_Corrosion_Rate System Code Table. You can choose from the following baseline values:

• Estimated
• Calculated
• Measured

The value in this field is required to calculate the value in the Final Damage Factor field.

This field contains the descriptions of all System Codes in the CORROSION TYPES System Code Table. You can choose from the following baseline values:

• General
• Localized

The value in this field is used to calculate the value in the Base Material Calculated Rate if the value in the Selected External Corrosion Rate field is Calculated.

This field contains the descriptions of all System Codes in the MI_ATMOSPHERIC_CONDITION System Code Table. You can choose from the following baseline values:

• Marine
• Temperate
• Dry
• Severe

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Coating present? field is Yes (Y). The value in this field is used to calculate the value in the Coating Adjustment field.

This field contains the descriptions of all System Codes in the 581_Coating_Quality System Code Table. You can choose from the following baseline values:

• None
• Poor
• Medium
• High

The value in this field is used to populate the Corrosion rate adjustment factor for Insulation Condition field if the DM that you are evaluating is 581-Ferritic Component Corrosion Under Insulation.

This field must contain one of the following values:

• Above Average
• Average
• Below Average

The date on which the component was last inspected for external corrosion. Ideally, the valid thickness is also measured on this date.

This field is populated by the value in the Completion Date field for the Inspection. If there is more than one linked Inspection, the latest date is used. If there are no linked Inspections, this field will be blank. You can also enter a value in this field manually.

The thickness of the component (in inches) that you have measured on the date specified in the last Known Inspection Date field.

If you have assigned an Inspection to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

If you have assigned an Inspection to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

If you have assigned an Inspection to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

If you have assigned an Inspection to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

The complexity of the piping system (applicable only if the component type is Piping).

The value in this field is used to populate the Corrosion rate adjustment factor for Insulation Condition field if the DM that you are evaluating is 581-Ferritic Component Corrosion Under Insulation.

This field must contain one of the following values:

• Above Average
• Average
• Below Average

If you select this check box, and if you have assigned Inspections to the DM, then the values in the Number of A Level Inspections, Number of B Level Inspections, Number of C Level Inspections, and Number of D Level Inspections fields are populated automatically.

Age is the duration in years, in which the time since last inspection was performed. In order to satisfy an inspection, there should be values in the Last Known Inspection Date and Last known Thickness fields. If the last inspection date or last known thickness value is null, then age will be calculated from the date in the Date in Service field.

This field is disabled and calculated as follows:

Age = Component Age - Coating Adjustment

...where Age is the time since the last inspection was performed. In order to satisfy an inspection, there should be values in the Last Known Inspection Date and Last Known Thickness fields. If the last inspection date or Last known thickness value is null, then the age will be calculated from the date in the Date in Service field.

This field is disabled and calculated as follows:

Coating Age = Calculation Date - Coating Installation Date

...where Calculation Date is the value in the RBI Date field on the RBI 581 Risk Analysis datasheet.

This field is disabled and populated automatically with the following values:

• 2 if the Corrosion Rate Adjustment for bad Design/Fabrication check box is selected.
• 1 if the Corrosion Rate Adjustment for bad Design/Fabrication check box is cleared.

The value in this field is used to calculate the value in the Final Corrosion Rate field if the Source of Calculated Corrosion Rate is Calculated.

This field is disabled and populated automatically based on the value in the Piping System Complexity field. The following table provides the values of Corrosion rate adjustment factor for complexity based on the values in the Piping System Complexity field.

The value in this field is used to calculate the value in the Final Corrosion Rate field when the Source of Calculated Corrosion Rate is Calculated.

This field is disabled and populated automatically based on the value in the Insulation Condition field. The following table provides the values of Corrosion rate adjustment factor for complexity based on the values in the Insulation Condition field.

The value in this field is used to calculate the value in the Final Corrosion Rate field when the Source of Calculated Corrosion Rate is Calculated.

This field is disabled and populated automatically with the following values:

• 2 if the Soil to Air Interface Present? check box is selected.
• 1 if the Soil to Air Interface Present? check box is cleared.

The value in this field is used to calculate the value in the Final Corrosion Rate field if the Source of Calculated Corrosion Rate field is set to Calculated.

This field is disabled and calculated as follows:

Expected Metal Loss Fraction = (Corrosion Rate * Age) / Component Age

...where:

• Corrosion Rate is calculated based on the values in the Operating Temperature (RBI 581 Risk Analysis datasheet) and Atmospheric Condition fields.
• Age is the value in the Age field.
• Component Age is the time since the date in the Last Known Inspection Date field. If this value is not specified, then the date in the Component Start Date field is considered.

The proximity of temperature, in degrees Fahrenheit, to the API 941 curve for materials of construction.

The value in this field is required to calculate the value in the Susceptibility field.

This field contains the descriptions of all System Codes in the MI_581_HTHA_Delta_Temperature System Code Table. You can choose from the following baseline values:

• >=0
• >= -50 and < 0
• >= -100 and < -50
• < -100

This field is enabled only if the value in the Is HTHA Damage Observed field is Yes (Y).

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The category of the pipe based on the diameter of the branches.

The value in this field is required to populate the Adjustment for Branch Diameter field.

This field contains the descriptions of all System Codes in the MI_581_Adjustment_Branch_Diameter System Code Table. You can choose from the following baseline values:

• All branches less than or equal to 2 NPS
• Any branch greater than 2 NPS

The value in this field is required to populate the Adjustment for Corrective Action field.

This field contains the descriptions of all System Codes in the MI_581_Adjustment_Corrective_Action System Code Table. You can choose from the following baseline values:

• Modification - Complete Engineering Analysis
• Modification based on experience
• No modifications

The value in this field is required to calculate the value in the Base Damage Factor field.

This field contains the descriptions of all System Codes in the MI_581_Mechanical_Fatigue_Cyclic_Loading System Code Table. You can choose from the following baseline values:

• Reciprocating Machinery
• PRV Chatter
• Valve with high pressure drop
• None

The value in this field is required to populate the Adjustment for Joint Type or Branch Design field.

This field contains the descriptions of all System Codes in the MI_581_Adjustment_Joint_Type_Branch_ Design System Code Table. You can choose from the following baseline values:

• Sweepolets
• Piping tee
• Weldolets
• Saddle in fittings
• Socketweld
• Threaded
• Saddle on

The value in this field is required to populate the Adjustment for Pipe Complexity field.

This field contains the descriptions of all System Codes in the MI_581_Adjustment_Pipe_Complexity System Code Table. You can choose from the following baseline values:

• 0 to 5 total pipe fittings
• 6 to 10 total pipe fittings
• More than 10 total pipe fittings

The value in this field is required to populate the Adjustment for Condition of Pipe field.

This field contains the descriptions of all System Codes in the MI_581_Adjustment_Condition_for_Pipe System Code Table. You can choose from the following baseline values:

• Missing or Damaged supports or Broken gussets
• Good Condition

The value in this field is required to calculate the value in the Base Damage Factor field.

This field contains the descriptions of all System Codes in the MI_581_Mechanical_Fatigue_Failures System Code Table. You can choose from the following baseline values:

• No Failures
• One Failure
• Two or more Failures

The value in this field is required to calculate the value in the Base Damage Factor field.

This field contains the descriptions of all System Codes in the MI_581_Mechanical_Fatigue_Shaking_Duration System Code Table. You can choose from the following baseline values:

• Shaking less than 2 weeks
• Shaking between 2 and 13 weeks
• Shaking between 13 and 52 weeks

The value in this field is required to calculate the value in the Base Damage Factor field.

This field contains the descriptions of all System Codes in the MI_581_Mechanical_Fatigue_Shaking System Code Table. You can choose from the following baseline values:

• Minor
• Moderate
• Severe

The value in this field is used to calculate the value in the Final Damage Factor field. This field is disabled and populated automatically as follows:

The value in this field is used to calculate the value in the Final Damage Factor field. This field is disabled and populated automatically as follows:

The value in this field is used to calculate the value in the Final Damage Factor field. This field is disabled and populated automatically as follows:

The value in this field is used to calculate the value in the Final Damage Factor field. This field is disabled and populated automatically as follows:

The value in this field is used to calculate the value in the Final Damage Factor field. This field is disabled and populated automatically as follows:

Allowable Stress

Numeric

The maximum amount of pressure that a component can safely withstand.

If the Stress Override check box is cleared, then this field is disabled and the value is calculated.

Analysis ID

Character

Specifies the Record ID of the RBI 581 Risk Analysis.

This field is disabled and populated automatically. For a What-If Analysis, the value in this field is in the following format:

W <Analysis ID of the main analysis> <Number> <Scenario ID>

...where <Number> is the sequential number of the What-If Analysis.

This field is populated with the value in the Base Material field in the associated component. It contains a list of the types of base material that are generally used in a component.

This value is used to calculate the analysis if the component type is Tank Bottom, and if the analysis is linked the following DMs:

• 581-HIC/SOHIC – HF (only if the value in the Cladding Present field is No (N))
• 581-Hydrogen Stress Cracking (only if the value in the Cladding Present field is No (N))
• 581-Polythionic Acid Cracking (only if the value in the Cladding Present field is No (N))
• 581-High Temperature Hydrogen Attack
• All Damage Mechanisms (DMs) that belong to RBI 581 Thinning and Lining Evaluation

The year in which the design code that corresponds to the base material was defined.

This field is populated with the value in the Code Year field in the associated component.

The value is this field is used to calculate the analysis if the Stress Override check box is cleared.

This field is populated with the value in the Construction Code field in the associated component.

The value in this field is used to calculate the values in the Allowable Stress and Flow Stress fields if the Stress Override check box is cleared, and if the analysis is linked to the at least one of the following records:

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

This field is populated with the value in the Material Grade field in the associated component.

The value in this field is used to calculate the values in the Allowable Stress and Flow Stress fields if the Stress Override check box is cleared, and if the analysis is linked to at least one of the following records:

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

The material specification of the component.

This field is populated with the value in the Material Spec field in the associated component.

The value in this field is used to calculate the values in the Allowable Stress and Flow Stress fields if the Stress Override check box is cleared, and if the analysis is linked to at least one of the following records:

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

This field is populated with the value in the Cladding Present field in the associated component.

This field contains the description of all the System Codes in the MI_YES_NO System Code Table.

This field is populated with the value in the Cladding Material field in the associated component. It contains a list of the types of cladding material that are generally used for cladding.

The value in this field is used to calculate an RBI 581 analysis if it is linked to at least one of the following DMs:

• 581-Acid Sour Water Corrosion

• 581-Alkaline Sour Water Corrosion

• 581-Amine Corrosion

• 581-Cooling Water Corrosion

• 581-High Temperature H2/H2S Corrosion

• 581-High Temperature Oxidation

• 581-High Temperature Sulfidic and Naphthenic Acid

• 581-Hydrochloric Acid Corrosion

• 581-Hydrofluoric Acid Corrosion

• 581-Soil Side Corrosion

• 581-Sulfuric Acid Corrosion

The value in this field is used to calculate the analysis if the component type is Piping.

This field contains the description of all the System Codes in the MI_581_Coefficient_Materials System Code Table.

Course Number

Numeric

Identifies which shell course on the asset is being assessed. The course number will impact how the allowable stress data is used.

You can enter or select the date and time.

This field is disabled and populated with the value in the Character Field Value column in the Data Confidence row in the RBI 581 Admin Options workspace.

The value in this field is used to calculate the values in the Posterior Probability - 1, Posterior Probability - 2, and Posterior Probability - 3 fields in the associated RBI 581 External Damage Evaluation and RBI 581 Thinning and Lining Evaluation.

Date Criticality Calculated

Date

The date on which the analysis was calculated.

This field is disabled and populated with the date on which you calculate the analysis.

Design Pressure

Numeric

The pressure at which the component is designed to operate. It is measured in pounds per square inch gauge.

This field is populated with the value in the Design Pressure field in the associated RBI Component.

The value in this field is used to calculate the analysis if it is linked to a DM that belongs to the following Damage Mechanism Evaluations (DMEs):

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

The value in this field must be greater than or equal to zero, and greater than or equal to the value in the Operating Pressure field.

Design Temperature

Numeric

The temperature at which the component is designed to operate. It is measured in degrees Fahrenheit.

By default, this field is populated with the value in the Design Temperature field in the associated RBI Component.

The value in this field must be greater than or equal to the value in the Operating Temperature field.

The value in this field is used to calculate the analysis if it is linked to a DM that belongs to the following DMEs:

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

If the value in this field is greater than or equal to 0, the value in the Operating Temperature field must be less than or equal to the value in this field.

If the value in this field is less than 0, you can calculate the analysis with any value in the Operating Temperature field.

Numeric

The measurement of the full diameter of a circular or cylindrical asset, in inches.

This field is populated with the value in the Diameter field in the associated component.

For a What-If Analysis, this field is populated with the value W. For other types of analyses, this field is blank.

By default, this field does not appear on the datasheet.

This field is populated with the value in the Total Financial Consequence field in the associated RBI 581 Consequence Evaluation.

By default, this field does not appear on the datasheet.

This field is populated with the value in the Total Financial Consequence field in the associated RBI 581 Consequence Evaluation. The value in this field is same as the value in the Financial COF - RBI Date field.

By default, this field does not appear on the datasheet.

This field is populated with the value in the Total Financial Consequence field in the associated RBI 581 Consequence Evaluation. The value in this field is same as the value in the Financial COF - RBI Date field.

By default, this field does not appear on the datasheet.

This field is disabled and contains the description of the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

The value in this field is determined based on the limits for each risk category that you have specified in the Financial Risk section in the RBI 581 ISO-Risk Plot Preferences workspace.

By default, this field does not appear on the datasheet.

This field is disabled and contains the description of the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

The value in this field is determined based on the limits for each risk category that you have specified in the Financial Risk section in the RBI 581 ISO-Risk Plot Preferences workspace.

By default, this field does not appear on the datasheet.

This field is disabled and contains the description of the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

The value in this field is determined based on the limits for each risk category that you have specified in the Financial Risk section in the RBI 581 ISO-Risk Plot Preferences workspace.

By default, this field does not appear on the datasheet.

Indicates whether the process fluid is valid for an RBI 581 analysis.

This check box is disabled and selected if the fluid that you have selected in the Process Fluid field is valid for RBI 581.

If this check box is cleared, and if you calculate the analysis, an error message appears.

This field is populated with the value in the Fluid Velocity field in the associated component.

This field is used to calculate the analysis if the analysis is linked to the following DMs:

• 581-Acid Sour Water Corrosion
• 581-Alkaline Sour Water Corrosion
• 581-Amine Corrosion
• 581-Cooling Water Corrosion
• 581-High Temperature Sulfidic and Naphthenic Acid
• 581-Hydrofluoric Acid Corrosion
• 581-Sulfuric Acid Corrosion

This field is disabled and calculated if the Stress Override check box is cleared.

This field is enabled if the Stress Override check box is selected.

An estimated or measured base material thickness used as the starting point for thickness based Remaining Life calculations.

This field is populated with the value in the Nominal Thickness field in the associated component.

The value in this field is used to calculate the analysis if it is linked to a DM that belongs to the following DMs:

• 581-Brittle Fracture
• 581-Low Alloy Steel Embrittlement
• All DMs that belong to RBI 581 Thinning and Lining Evaluation
• All DMs that belong to RBI 581 External Damage Evaluation

An estimated or measured cladding material thickness used as the starting point for thickness based Remaining Life calculations.

This field is populated with the value in the Nominal Thickness field in the associated component.

The value in this field is used to calculate the analysis if:

• It is linked to RBI 581 Thinning and Lining Evaluation or RBI 581 Cracking Damage Evaluation.

  -and-

• The value in the Cladding is Present? field is Yes(Y).

This field is populated with the value in the Geometry Type field in the associated component. This field contains the descriptions of all System Codes in the the MI_581_Component_Geometry_Types System Code Table.

The value in this field is used to calculate the analysis if it is linked to at least one of the following records:

• RBI 581 Thinning and Lining Evaluation
• RBI 581 External Cracking Damage Evaluation

The value in this field is required to calculate the analysis.

This field must contain one of the following values:

• COLBTM
• COLMID
• COLTOP
• COMPC
• COMPR
• COURSE-1-10
• DRUM
• FILTER
• FINFAN
• HEXSS
• HEXTS
• KODRUM
• PIPE-1
• PIPE-10
• PIPE-12
• PIPE-16
• PIPE-2
• PIPE-4
• PIPE-6
• PIPE-8
• PIPEGT16
• PUMP1S
• PUMP2S
• PUMPR
• REACTOR
• TANKBOTTOM

The highest among the damage factor values of all the DMs in the analysis that belong to RBI 581 Brittle Fracture Damage Evaluation, calculated on the RBI date.

This field is disabled and populated automatically with the highest among the following values:

• Damage factor for 581-885F Embrittlement
• Damage Factor for 581-Sigma Phase Embrittlement
• Sum of the damage factors for 581-Brittle Fracture and 581-Low Alloy Steel Embrittlement

This field is disabled and populated automatically with the highest among the following values:

• Damage factor for 581-885F Embrittlement
• Damage Factor for 581-Sigma Phase Embrittlement
• Sum of the damage factors for 581-Brittle Fracture and 581-Low Alloy Steel Embrittlement

The highest among the damage factor values of all the DMs in the analysis that belong to RBI 581 Brittle Fracture Damage Evaluation, calculated on the plan date before mitigating the risk.

This field is disabled and populated with the highest among the following values:

• Damage factor for 581-885F Embrittlement
• Damage Factor for 581-Sigma Phase Embrittlement
• Sum of the damage factors for 581-Brittle Fracture and 581-Low Alloy Steel Embrittlement

The highest among the damage factor values of all the thinning DMs in the analysis, calculated on the RBI date. If, however, in addition to the thinning DMs, you have evaluated 581-Internal Component Lining Damage, then the minimum of the damage factors between this DM and the thinning DM with the highest damage factor is considered.

This field is enabled only if the component type is Storage Tank Bottom. The value in this field is populated with the value in the corresponding field in the associated component.

If you select this check box, then the value in the Maximum Fill Height in AST field in the associated RBI 581 Consequence Evaluation record is disabled and populated with the value 0.25 feet.

Insulated

Boolean

Indicates whether the component is insulated.

This field is populated with the value in the Insulated? field in the associated component.

If the analysis is linked to the 581-Ferritic Component Corrosion Under Insulation or the 581-Austenitic Cracking Under Insulation DM, then this check box must be selected.

Insulation Type

Character

Identifies the insulating material.

This field is enabled only if the Insulated check box is selected. This field is populated with the value in the Insulation Type field in the associated component.

You can select one of the following values:

• Asbestos
• Calcium Silicate (Cl Free)
• Calcium Silicate (Not Cl Free)
• Foam/Cellular Glass
• Mineral Wool/Fiber Glass
• Pearlite
• Unknown

This field is populated with the value in the Is Intrusive? field of the associated component. It is used to calculate the analysis if it is linked to a DM that belongs to the following DMEs:

• RBI 581 Cracking Damage Evaluation
• RBI 581 External Cracking Damage Evaluation
• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

Numeric

The total length, in inches, of an asset measured in a straight line from head seam to head seam.

This field is populated with the value in the Length field in the associated component.

The value in this field is required to calculate the value in the Inventory Component Mass field in an RBI 581 Consequence Evaluation if the Use Calculated Inventory check box is selected.

The value in this field will be required to calculate Inventory Component Mass for all Components Types except a Piping RBI Component Type.

This field is disabled and populated with the value in the Numeric Field Value column in the Management Score row in the RBI 581 Admin Options workspace.

This field is populated with the value in the Minimum Structural Thickness field in the associated component.

The value in this field is used to calculate the analysis if it is linked to a DM that belongs to the one of the following DMEs:

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

Operating Pressure

Numeric

The internal pressure of the asset under normal operating conditions. It is measured in pounds per square inch gauge.

A value is required in this field.

By default, this field is populated with the value in the Operating Pressure field in the associated RBI Component.

The value in this field must be less than or equal to the value in the Design Pressure field.

Operating Temperature

Numeric

The temperature of the asset under normal operating conditions. It is measured in degrees Fahrenheit.

A value is required in this field.

By default, this field populated with the value in the Operating Temperature field in the associated RBI Component.

If the value in the Design Temperature field is greater than or equal to zero, the value in this field must be less than or equal to the value in the Design Temperature field.

If the value in the Design Temperature field is less than zero, you can calculate the analysis with any value in this field.

The percentage of the liquid used in the component.

This field is populated with the value in the Percent Liquid Volume field on the datasheet of the associated component.

The amount of toxic substances by volume in the process stream.

This field is populated with the Percent Toxic field in the associated component. This field is enabled only if the Toxic Mixture check box is selected.

This field is populated with the value in the pH of Water field in the associated component.

This value is used to calculate an RBI 581 analysis if the analysis is linked to any of the following DMs:

• 581-Acid Sour Water Corrosion

• 581-Alkaline Carbonate Stress Corrosion Cracking

• 581-Chloride Stress Corrosion Cracking

• 581-Cooling Water Corrosion

• 581-HIC/SOHIC - H2S

• 581-Hydrochloric Acid Corrosion

• 581-Sulfide Stress Cracking

The fluid that represents or makes up the greatest volume of the asset. In some cases, the fluid that represents the greatest cause of failure may be selected.

This field is populated with the value in the Process Fluid field in the associated component.

The value in this field must be stored in the Fluid field in one of the Representative Fluids records in the APM database.

If you select a fluid that is valid for RBI 581, the Fluid Valid for 581 Analysis check box is selected automatically.

If the value in the Component Type field is Storage Tank Bottom, then this field must contain a fluid with a Dynamic Viscosity greater than 0. In the baseline APM, the following fluids have a valid Dynamic Viscosity and are supported by Storage Tank Bottom:

• C6-C8
• C9-C12
• C13-16 (Diesel)
• C17-25 (Gas Oil)
• C25+ (Resid)
• H2O (Water)

This field is disabled and populated automatically with one of the risk summaries defined in inspection planning.

This field is used in the ID template of the RBI 581 Risk Analysis family. Therefore, we recommend that the value in this field be unique among all the RBI 581 Risk Analyses linked to an RBI Component.

This field contains the description of all the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

The value in this field is determined based on the limits for each risk category that you have specified in the SHE Risk section in the RBI 581 ISO-Risk Plot Preferences workspace.

This field contains the description of all the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

This field contains the description of all the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

The value in this field is determined based on the limits for each risk category that you have specified in the SHE Risk section in the RBI 581 ISO-Risk Plot Preferences workspace.

This field contains the description of all the System Codes in the MI_RBI_RISK_CATEGORY System Code Table.

The value in this field is determined based on the limits for each risk category that you have specified in the SHE Risk section in the RBI 581 ISO-Risk Plot Preferences workspace.

Stress Lookup Table

Character

Identifies the type of asset being assessed so that the appropriate design codes are used.

This field is populated with the value in the Stress Lookup Table field in the associated component.

This field must contain one of the following values:

• Piping
• Pressure Vessel
• TANKS

If the Stress Override check box is cleared, and if the analysis is linked to a DM that belongs to the following DMs, then the value in this field is used to calculate the values in the Allowable Stress and Flow Stress fields:

• 581-Brittle Fracture
• 581-Low Alloy Steel Embrittlement
• All DMs that belong to RBI 581 Thinning and Lining Evaluation
• All DMs that belong to RBI 581 External Damage Evaluation

This field is used to calculate age during Inspection Planning for RBI 581 External Cracking Damage Evaluations and RBI 581 Cracking Damage Evaluations.

If the value in the Thinning Type field is General, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor - RBI Date
• Governing Cracking Damage Factor - RBI Date
• Governing External Damage Factor - RBI Date
• Governing HTHA Damage Factor - RBI Date
• Governing Mechanical Fatigue Damage Factor - RBI Date
• Governing Thinning and Lining Damage Factor - RBI Date

If the value in the Thinning Type field is Localized, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor - RBI Date
• Governing Cracking Damage Factor - RBI Date
• Governing HTHA Damage Factor - RBI Date
• Governing Mechanical Fatigue Damage Factor - RBI Date

• Governing Thinning and Lining Damage Factor - RBI Date or Governing External Damage Factor - RBI Date, whichever is higher.

If the value in the Thinning Type field is General, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor - Target Inspection Date
• Governing External Damage Factor - Target Inspection Date
• Governing HTHA Damage Factor - Target Inspection Date
• Governing Mechanical Fatigue Damage Factor - Target Inspection Date
• Governing Thinning and Lining Damage Factor - Target Inspection Date

If the value in the Thinning Type field is Localized, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor - Target Inspection Date
• Governing Cracking Damage Factor - Target Inspection Date
• Governing HTHA Damage Factor - Target Inspection Date
• Governing Mechanical Fatigue Damage Factor - Target Inspection Date
• Governing Thinning and Lining Damage Factor - Target Inspection Date or Governing External Damage Factor - Target Inspection Date, whichever is higher

If the value in the Thinning Type field is General, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor With Plan
• Governing Cracking Damage Factor With Plan
• Governing External Damage Factor With Plan
• Governing HTHA Damage Factor With Plan
• Governing Mechanical Fatigue Damage Factor With Plan
• Governing Thinning And Lining Damage Factor With Plan

If the value in the Thinning Type field is Localized, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor With Plan
• Governing Cracking Damage Factor With Plan
• Governing HTHA Damage Factor With Plan
• Governing Mechanical Fatigue Damage Factor With Plan

• Governing Thinning And Lining Damage Factor With Plan or Governing External Damage Factor With Plan, whichever is higher.

If the value in the Thinning Type field is General, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor Without Plan
• Governing Cracking Damage Factor Without Plan
• Governing External Damage Factor Without Plan
• Governing HTHA Damage Factor Without Plan
• Governing Mechanical Fatigue Damage Factor Without Plan
• Governing Thinning And Lining Damage Factor Without Plan

If the value in the Thinning Type field is Localized, then this field is disabled and calculated as the sum of the values in the following fields:

• Governing Brittle Fracture Damage Factor Without Plan
• Governing Cracking Damage Factor Without Plan
• Governing HTHA Damage Factor Without Plan
• Governing Mechanical Fatigue Damage Factor Without Plan

• Governing Thinning And Lining Damage Factor Without Plan or Governing External Damage Factor Without Plan, whichever is higher.

Indicates whether the toxic fluid is valid for an RBI 581 Risk Analysis.

This check box is disabled and selected if the fluid that you have selected in the Toxic Model field is valid for RBI 581.

If this check box is cleared, and you calculate the analysis, an error message appears, stating that the toxic model is not valid.

Indicates whether or not the process stream contains toxic substances.

This field is populated with the value in the corresponding field in the associated component.

If this check box is selected, the following fields are enabled:

• Toxic Model
• Percent Toxic

The fluid that represents or makes up the greatest toxic volume of the asset. In some cases, the fluid that contributes to the greatest Consequence of Failure (CoF) may be selected.

This field is populated with the value in the Toxic Fluid field on the datasheet of the associated component. This field is enabled only if the Toxic Mixture check box is selected.

Indicates the type of inspection used to ensure the quality of welds and the type of weld joints used during construction.

This field is populated with the value in the Weld Joint Efficiency field in the associated component.

This field must contain one of the following values:

• 0.35
• 0.4
• 0.45
• 0.5
• 0.55
• 0.6
• 0.65
• 0.7
• 0.75
• 0.8
• 0.85
• 0.9
• 0.95
• 1.0

The value in this field is used to calculate an analysis if the analysis is linked to a DM that belongs to the following DMEs:

• RBI 581 External Damage Evaluation
• RBI 581 Thinning and Lining Evaluation

This field is disabled and populated automatically.

The value in this field is used to calculate the value in the Expected Metal Loss Fraction (Art) field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This filed is populated with the value in the Estimated Internal Corrosion Rate field on the RBI Component.

The value in this field is used to calculate the value in the Expected Metal Loss Fraction (Art) field if the value in the Selected Base Material Corrosion Rate field is Estimated Rate.

This field is disabled and populated automatically.

The value in this field is used to calculate the value in the Expected Metal Loss Fraction (Art) field if the value in the Selected Cladding Material Corrosion Rate field is Calculated Rate.

The value in this field is used to calculate the value in the Expected Metal Loss Fraction (Art) field if the value in the Selected Cladding Material Corrosion Rate field is Estimated Rate.

The value in this field is used to calculate the damage factor if the value in the Selected BM Corrosion Rate or Selected Cladding Corrosion Rate field is Controlling Corrosion Rate.

This field is disabled. If the value in the Source of Calculated Corrosion Rates field in the associated Component is:

• Asset, then this field is populated based on the value in the Controlling Corrosion Rate field in the associated Asset Corrosion Analysis in Thickness Monitoring.
• Component, then this field is populated based on the highest value in the Controlling Corrosion Rate fields in the associated Asset Corrosion Analyses linked to the TML Groups.
• Manual Entry, then this field is blank because controlling corrosion rate is always specified in Thickness Monitoring. You cannot enter a value in this field.

When you copy the analysis without copying the Recommendations, the value in this field is not copied. It is updated based on the Asset or TML Group that is linked to the component. When you copy the analysis along with the Recommendations, then the value in this field is copied.

This field is disabled and populated automatically.

If the damage mechanism that you are evaluating is 581-Thinning Damage, then this field is enabled, and contains the description of all the System Codes in the MI_581_GOV_THINNING_DAMAGE System Code Table.

For all the other damage mechanisms, this field is disabled and populated automatically.

The value in this field is required to calculate the value in the Base Damage Factor field. For 581-Atmospheric Tank Bottom Corrosion, if you select the Use Combined Confidence check box, then the value in this field is calculated automatically.

This field contains the descriptions of all the System Codes in the MI_581_Inspection_Effectiveness System Code Table. You can choose from the following baseline values:

• Highly Effective
• Usually Effective
• Fairly Effective
• Poorly Effective
• InEffective (None)

The date on which the component was last inspected for internal corrosion. Ideally, the valid thickness is also measured on this date.

This field is populated by the value in the Completion Date field for the Inspection. If there is more than one linked Inspection, the latest date is used. If there are no linked Inspections, this field will be blank. You can also enter a value in this field manually.

The thickness of the component (in inches) that you have measured on the date specified in the last Known Inspection Date field.

The value in this field is used to calculate the damage factor if the value in the Selected BM Corrosion Rate or Selected Cladding Material Corrosion Rate field is Long Term Avg.

If the value in the Source of Calculated Corrosion Rates field in the associated Component is:

• Asset, then this field is disabled and calculated.
• Component, then this field is disabled and calculated.
• Manual Entry, then this field is enabled.

When you copy the analysis without copying the Recommendations, the value in this field is not copied. It is updated based on the Asset or TML Group that is linked to the component. When you copy the analysis, along with the Recommendations, then the value in this field is copied.

If Inspections are assigned to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

For 581-Atmospheric Tank Bottom Corrosion, if you select the Use Combined Confidence check box, then the value in this field is used to calculate the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields.

If Inspections are assigned to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

For 581-Atmospheric Tank Bottom Corrosion, if you select the Use Combined Confidence check box, then the value in this field is used to calculate the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields.

If Inspections are assigned to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

For 581-Atmospheric Tank Bottom Corrosion, if you select the Use Combined Confidence check box, then the value in this field is used to calculate the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields.

If Inspections are assigned to the DM, then this field is populated automatically. The value in this field is used to calculate the value in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

For 581-Atmospheric Tank Bottom Corrosion, if you select the Use Combined Confidence check box, then the value in this field is used to calculate the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields.

You can enter a value between 0 and 6. If you enter 0, then the Highest Effective Inspection Level field is disabled and populated with the value InEffective (None).

The value in this field is required to calculate the values in the Inspection Effectiveness - 1, Inspection Effectiveness - 2, and Inspection Effectiveness - 3 fields.

For 581-Atmospheric Tank Bottom Corrosion, if you select the Use Combined Confidence check box, then the value in this field is calculated automatically.

This field appears as a drop-down list box labeled Selected base Material Corrosion Rate on the datasheet. The value in this field is required to calculate the analysis.

This field contains the descriptions of all System Codes in the 581_CORR_TYPE System Code Table. You can choose from the following baseline values:

• Estimated Rate: If you select this value, then the value in the Base Material Estimated Corrosion Rate field is used to calculate the damage factor.
• Calculated Rate: If you select this value, then the value in the Base Material Calculated Corrosion Rate field is used to calculate the damage factor.
• Short Term Avg: If you select this value, then the value in the Short Term Avg Corr Rate field is used to calculate the damage factor.
• Long Term Avg: If you select this value, then the value in the Long Term Avg Corr Rate field is used to calculate the damage factor.
• Controlling Corrosion Rate: If you select this value, then the value in the Controlling Corrosion Rate field is used to calculate the damage factor.

This field contains the descriptions of all System Codes in the 581_CORR_TYPE System Code Table. You can choose from the following baseline values:

• Estimated Rate: If you select this value, then the value in the Cladding Material Estimated Corrosion Rate field is used to calculate the damage factor.
• Calculated Rate: If you select this value, then the value in the Cladding Material Calculated Corrosion Rate field is used to calculate the damage factor.
• Short Term Avg: If you select this value, then the value in the Short Term Avg Corr Rate field is used to calculate the damage factor.
• Long Term Avg: If you select this value, then the value in the Long Term Avg Corr Rate field is used to calculate the damage factor.
• Controlling Corrosion Rate: If you select this value, then the value in the Controlling Corrosion Rate field is used to calculate the damage factor.

The value in this field is used to calculate the damage factor if the value in the Selected BM Corrosion Rate or Selected Cladding Material Corrosion Rate field is Short Term Avg.

If the value in the Source of Calculated Corrosion Rates field in the associated Component is:

• Asset, then this field is disabled and calculated.
• Component, then this field is disabled and calculated.
• Manual Entry, then this field is enabled.

When you copy the analysis without copying the Recommendations, the value in this field is not copied. It is updated based on the Asset or TML Group that is linked to the component. When you copy the analysis, along with the Recommendations, then the value in this field is copied.

The value in this field is required to calculate the value in the Final Damage Factor field.

This field contains the descriptions of all System Codes in the CORROSION TYPES System Code Table. You can choose from the following baseline values:

• General
• Localized

If you select this check box, the values in the Highest Effective Inspection Level and Number of Highest Effective Inspections fields are calculated automatically.

If you select this check box, and if you have assigned Inspections to the DM, then the values in the Number of A Level Inspections, Number of B Level Inspections, Number of C Level Inspections, and Number of D Level Inspections fields are populated automatically.

This field is enabled only if the value in the Online Monitoring Flag is Yes (Y). The value in this field is used to calculate the value in the Online Monitoring Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Deadleg Adjustment field if the component type is Piping.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Deadleg Adjustment field. This field is enabled only if the value in the Deadleg Flag is Yes (Y).

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Online Monitoring Flag is Yes (Y). The value in this field is used to calculate the value in the Online Monitoring Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Settlement Adjustment field if the component type is Storage Tank Bottom.

This field contains the descriptions of all System Codes in the FOUNDATION TYPES System Code Table. You can choose from the following baseline values:

• Clay

• Silt

• Sand

• Gravel

• Concrete

• Double Floor

The value in this field is used to calculate the value in the Injection Point Adjustment field if the component type is Storage Tank Bottom. This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Injection Point Adjustment field. This field is enabled only if the value in the Injection Point Flag is Yes (Y).

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Online Monitoring Flag is Yes (Y). The value in this field is used to calculate the value in the Online Monitoring Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Online Monitoring Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Settlement Adjustment field. This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

If the value in the Foundation Type field is Concrete, however, this field is disabled.

The value in this field is used to calculate the value in the Settlement Adjustment field. This field is enabled only if the value in the Settlement Adjustment Flag field is Yes (Y).

This field contains the descriptions of all System Codes in the MI_581_Recorded_Settlement_Criteria System Code Table. You can choose from the following baseline values:

• Meets API 653
• Never Evaluated
• Exceeds API 653

The value in this field is used to calculate the value in the Welded Construction Adjustment field.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is populated with the value in the Amine Type field on the datasheet of the associated component. The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-Amine Corrosion DM.

This field contains the descriptions of all System Codes in the MI_581_Amine_Types System Code Table. You can choose from the following baseline values:

• MEA
• DEA
• MDEA

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the 581_AST_BOTTOM_TYPE System Code Table. You can choose from the following baseline values:

• RPB Not Per API 650
• RPB Per API 650
• Single Bottom

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the 581_AST_DRAINAGE_TYPE System Code Table. You can choose from the following baseline values:

• One Third Frequently Underwater
• Storm Water Collects At AST Base
• Storm Water Does Not Collect At AST Base

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the 581_AST_PAD_MAT_TYPE System Code Table. You can choose from the following baseline values:

• Soil With High Salt

• Crushed Limestone

• Native Soil

• Construction Grade Sand

• Continuous Asphalt

• Continuous Concrete

• Oil Sand

• High Resistivity Low Chloride Sand

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the MI_581_AST_STEAMCOIL_WATERDRWASOFF System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if one of the following sets of conditions is satisfied:

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the 581_AST_Cathodic Protection System Code Table. You can choose from the following baseline values:

• None
• Yes and Not Per API 651
• Yes and Per API 651

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-Soil Side Corrosion DM.

This field contains the descriptions of all System Codes in the MI_581_Cathodic Protection Effectiveness Factors System Code Table. You can choose from the following baseline values:

• Cathodic Protection exists not per NACE RP0169
• No Cathodic Protection
• Cathodic Protection is tested annually
• No Cathodic Protection on Structure
• Tested Cathodic protection NACE RP0169 supported

This field is populated with the value in the Cl Concentration field on the datasheet of the associated component. The value in this field is used to calculate the analysis if you are evaluating the 581-Cooling Water Corrosion and 581-Hydrochloric Acid Corrosion DMs.

This field is enabled only if the value in the Coating present? field is Yes (Y).

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-Soil Side Corrosion DM.

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Coating present? field is Yes (Y).

This field contains the descriptions of all System Codes in the 581_Coating_Type System Code Table. You can choose from the following baseline values:

• Fusion Bonded Epoxy
• Liquid Epoxy
• Asphalt Enamel
• Asphalt Mastic
• Coat Tar Enamel
• Extruded Polyethylene with mastic rubber
• Mill Applied PE Tape with mastic
• Field Applied PE Tape with mastic
• Three-Layer PE or PP

This field is populated with the value in the Cooling System Type field on the datasheet of the associated component. The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-Cooling Water Corrosion DM.

This field contains the descriptions of all System Codes in the MI_581_Cooling_System System Code Table. You can choose from the following baseline values:

• Once-Through

• Recirculating

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-High Temperature H2/H2S Corrosion DM.

This field contains the descriptions of all System Codes in the MI_581_HYDROCARBON_TYPES System Code Table. You can choose from the following baseline values:

• NAPTHA

• GAS OIL

This field is populated with the value in the Is Air or Oxidant Present? field on the datasheet of the associated component. The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating any of the following DMs:

• 581-Hydrochloric Acid Corrosion
• 581-High Temperature Oxidation
• 581-Sulfuric Acid Corrosion

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if the value in the Coating Present? field is Yes (Y).

This field contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if one of the following sets of conditions is satisfied:

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if:

• You are evaluating the 581-Atmospheric Tank Bottom Corrosion DM.

  -and-

• The value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the 581_Product_Side_Condition System Code Table. You can choose from the following baseline values:

• Wet
• Dry

This field is enabled only if the value in the Cooling System Type field is Recirculating.

This field contains the descriptions of all System Codes in the MI_581_Recirculating_System System Code Table. You can choose from the following baseline values:

• Open

• Closed

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field is populated with the value in the Soil Type 581 field on the datasheet of the associated component. The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-Soil Side Corrosion DM.

This field contains the descriptions of all System Codes in the 581_Primary_Soil_Type System Code Table. You can choose from the following baseline values:

• Sand
• Silt
• Clay

This field is populated with the value in the Sulphur Concentration field on the datasheet of the associated component. The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-High Temperature Sulfidic and Naphthenic Acid DM.

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if you are evaluating the 581-High Temperature Sulfidic and Naphthenic Acid DM.

This field is enabled only if one of the following sets of conditions is satisfied:

The value in this field is used to calculate the value in the Base Material Calculated Corrosion Rate field if the value in the Selected Base Material Corrosion Rate field is Calculated Rate.

This field contains the descriptions of all System Codes in the MI_581_AST_STEAMCOIL_WATERDRWASOFF System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

This field is enabled only if:

• The value in the Cooling System Type field is Once-Through.

  -and-

• The value in the Water Type field is Fresh Water.

This field contains the descriptions of all System Codes in the MI_581_Water_Treatment_Type System Code Table. You can choose from the following baseline values:

• Treated

• Untreated

This field is enabled only if the value in the Cooling System Type field is Once-Through.

This field contains the descriptions of all System Codes in the MI_581_Water_Type System Code Table. You can choose from the following baseline values:

• Fresh Water

• Sea Water

This field is enabled only if:

• The value in the Liner is Present field is Yes (Y).

  -and-

• The value in the Liner Type field is Organic Coating (typically > 0.762mm / 30 mils).

The value in this field is used to calculate the value in the Base Damage Factor field if the value in the Liner Type field is Organic Coating (typically > 0.762mm / 30 mils). This field contains the descriptions of all System Codes in the MI_581_Coating_Quality System Code Table. You can choose from the following baseline values:

• High
• Medium
• Low

The value in this field is used to calculate the value in the Final Damage Factor field. This field is enabled only if the value in the Liner is Present field is Yes (Y). It contains the descriptions of all System Codes in the MI_581_Lining_Condition System Code Table. You can choose from the following baseline values:

• Good
• Average
• Poor

This field is populated with the value in the Liner Present field on the datasheet of the associated component. It contains the descriptions of all System Codes in the MI_YES_NO System Code Table. You can choose from the following baseline values:

• Yes (Y)
• No (N)

If you select Yes (Y), the following fields are enabled:

• Liner Installation Date
• Liner Condition
• Liner Type
• Immersion Grade Coating Quality (only if the value in the Liner Type field is Organic Coating (typically > 0.762mm / 30 mils))

This field is populated with the value in the Liner Type field on the datasheet of the associated component. It is enabled only if the value in the Liner is Present field is Yes (Y). The value in this field is used to calculate the value in the Base Damage Factor field.

This field contains the descriptions of all System Codes in the MI_581_Lining_Types_And_Resistance System Code Table. You can choose from the following baseline values:

• Strip Lined Alloy
• Organic Coating (typically > 0.762mm / 30 mils)
• Thermal Resistant Service - Castable Refractory
• Severe/Abrasive Service - Castable Refractory
• Glass Linings
• Acid Brick
• Fiberglass

This field is disabled and calculated automatically. The value in this field is used to calculate the value in the Expected Metal Loss Fraction (Art) field.

If you are evaluating 581-Atmospheric Tank Bottom Corrosion, this field is disabled and populated automatically with the value:

• 1 if the API 653 Maintenance Flag check box is selected.
• 5 if the API 653 Maintenance Flag check box is cleared.

The value in this field is used to calculate the value in the Final Damage Factor field.

This field is disabled and populated automatically with the value:

• 1 if the value in the Deadleg Flag field is No (N).
• 3 if the value in the Deadleg Flag field is Yes (Y) and the value in the Deadleg Inspection field is No (N).
• 1 if the value in the Deadleg Flag and Deadleg Inspection fields is Yes (Y).

The value in this field is used to calculate the value in the Final Damage Factor field.

This field is disabled and populated with the value:

• 1 if the value in the Injection Point Flag and Injection Point Inspection fields is Yes (Y).
• 3 if the value in the Injection Point Flag field is set to Yes (Y) and the value in the Injection Point Inspection field is No (N).
• 1 if the value in the Injection Point Flag field is No (N).

The value in this field is used to calculate the value in the Final Damage Factor field.

This field is disabled and populated automatically based on the values in the Settlement Adjustment Flag and Settlement Adjustment Inspection fields as follows if the value in the Foundation Type field is not Concrete.

If the value in the Foundation Type field is Concrete, however, the value in the Settlement Adjustment field is 1.

The value in this field is used to calculate the value in the Final Damage Factor field.

If you are evaluating 581-Atmospheric Tank Bottom Corrosion, this field is disabled and populated automatically with the value:

• 1 if the value in the Welded Construction Flag field is Yes (Y).
• 10 if the value in the Welded Construction Flag field is No (N).

The value in this field is used to calculate the value in the Final Damage Factor field.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Filter the list of values in the Material Specification field.
• Populate the Code Year field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Populate the Construction Code field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Populate the Material Grade field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Filter the list of values in the Material Grade field.
• Populate the Material Spec field in the associated RBI 581 Risk Analysis.

The value in this field is calculated and used to populate the Allowable Stress field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Filter the list of values in the Material Specification field.
• Populate the Code Year field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Populate the Construction Code field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Populate the Material Grade field in the associated RBI 581 Risk Analysis.

The value in this field is used to:

• Determine the value in the Allowable Stress field.
• Filter the list of values in the Material Grade field.
• Populate the Material Spec field in the associated RBI 581 Risk Analysis.

This field is populated with the most conservative RBI Date field from related risk complete analyses.

This field is populated with the most conservative Plan Date field from related risk complete analyses.

This field is set to the associated assets entity ID.

This field is disabled.

This field is disabled.

This field is disabled.

When the Use Recommended Actions for Inspection Planning preference is set to false, this field will be set to true when an RBI Analysis is moved to Risk Complete.

This field will be reset to false when the RBI Inspection plan is created or modified.

This field is set based on the recommended Inspection Strategy returned from the following policies:

• RBI 581 Env Cracking Insp Recommendation
• RBI 581 External Damage Inspection Recommendation
• RBI 581 Tank Bottom Insp Recommendation
• RBI 581 Tank Shell Ext Corrosion Recommendation
• RBI 581 Tank Shell Int Corrosion Recommendation
• RBI 581 Thinning and Lining Insp Recommendation

The drop-down list is populated with the Task Type field on the Inspection Strategy records relevant to the Damage Mechanism. The relevant Inspection Strategy records are available in the Degradation Mechanism Strategy family

This field is set based on the recommended Inspection Strategy returned from the following policies:

• RBI 581 Env Cracking Insp Recommendation
• RBI 581 External Damage Inspection Recommendation
• RBI 581 Tank Bottom Insp Recommendation
• RBI 581 Tank Shell Ext Corrosion Recommendation
• RBI 581 Tank Shell Int Corrosion Recommendation
• RBI 581 Thinning and Lining Insp Recommendation

The drop-down list is populated with the Inspection Strategy Description field on the Inspection Strategy records relevant to the Damage Mechanism filtered by Task Type and Inspection Confidence. The relevant Inspection Strategy records are available in the Degradation Mechanism Strategy family.

The drop-down list is populated with the Extent field on the Inspection Strategy records relevant to the Damage Mechanism Field Data Type Description filtered by Task Type,and Inspection Confidence. The relevant Inspection Strategy records are available in the Degradation Mechanism Strategy family.

• When the Recurring flag is false, the value will be zero.
• When the Recurring flag is true, the value is calculated by subtracting the Last Date field from the Next Date field.

This field is mapped from the Degradation Mechanisms parent analysis Target Inspection Date.

If the Degradation Mechanism is a 581 Cracking Degradation Mechanism, the field will be set to the Cracking Inspection Date if it is smaller than the Target Inspection Date.

This field is set based on the recommended Inspection Strategy returned from the following policies:

• RBI 581 Env Cracking Insp Recommendation
• RBI 581 External Damage Inspection Recommendation
• RBI 581 Tank Bottom Insp Recommendation
• RBI 581 Tank Shell Ext Corrosion Recommendation
• RBI 581 Tank Shell Int Corrosion Recommendation
• RBI 581 Thinning and Lining Insp Recommendation

The drop-down list is populated with the Inspection Scope field on the Inspection Strategy records relevant to the Damage Mechanism filtered by Task Type and Inspection Confidence. The relevant Inspection Strategy records are available in the Degradation Mechanism Strategy family.

This field is set based on the recommended Inspection Strategy returned from the following policies:

• RBI 581 Env Cracking Insp Recommendation
• RBI 581 External Damage Inspection Recommendation
• RBI 581 Tank Bottom Insp Recommendation
• RBI 581 Tank Shell Ext Corrosion Recommendation
• RBI 581 Tank Shell Int Corrosion Recommendation
• RBI 581 Thinning and Lining Insp Recommendation

The drop-down list is populated with the Inspection Scope field on the Inspection Strategy records relevant to the Damage Mechanism filtered by Task Type and Inspection Confidence. The relevant Inspection Strategy records are available in the Degradation Mechanism Strategy family.

This field can be set to one of the following:

• the entity key of any task related to the parent asset
• Create New
• Blank

• When the Recurring flag is false, the field will be blank.
• When the Recurring flag is true, the value is mapped from the RBI Date field of the parent RBI Inspection Plan.

This field is disabled in the datasheet.

This field does not appear in the datasheet.

If you create, duplicate, or apply an RBI 581 Risk Analysis, and if the analysis is linked to the DM specified in this field, then Inspections linked to the same DM are automatically assigned to the DME based on the criteria in this record.

If this field is blank, all the DMs related to the DME specified in the DM Methodology and Equivalent DM Methodology are considered while assigning Inspections to the DME.

Inspections that must be assigned to a DME are filtered based on the values in the DM Methodology and Equivalent DM Methodology fields.

This field is disabled and populated based on the value in the DM Methodology field as follows:

If the difference between the date on which the analysis is created and the value in the Completion Date field in an Inspection is greater than the value in this field, then the Inspection is not assigned to the DME.