OPDA Knowledge base
Schema Page 46d1 Generated 2026-05-17 DAMA · Data Modeling & Design

Flooding

21 leaves 100.0% Declaration 0.0% Evidence 0.0% Derivation 10 in overlays 0 with worked example

Entity relationships

--- config: layout: elk elk: direction: DOWN nodePlacementStrategy: BRANDES_KOEPF mergeEdges: false --- erDiagram Transaction ||--o| PropertyPack : "propertyPack" PropertyPack ||--o| EnvironmentalIssues : "environmentalIssues" EnvironmentalIssues ||--o| Flooding : "flooding" Flooding ||--o| FloodRisk : "floodRisk" Flooding ||--o| HistoricalFlooding : "historicalFlooding" Flooding ||--o| FloodDefences : "floodDefences" FloodRisk ||--o{ RiskSubcategorie : "riskSubcategories" Transaction { } PropertyPack { } EnvironmentalIssues { } Flooding { } FloodDefences { string details "Please provide details" string hasFloodDefences "hasFloodDefences" } FloodRisk { integer actionAlertRating "Action alert rating (1 is Green, 5 is Red)" string datasetAttribution "Licensing, distribution and copyright information" string recommendations "Recommendations" string result "Result" string riskIndicator "riskIndicator" string summary "Summary of risk" } RiskSubcategorie { integer actionAlertRating "Action alert rating (1 is Green, 5 is Red)" string datasetAttribution "Licensing, distribution and copyright information" string recommendations "Recommendations" string result "Result" string riskIndicator "Is action recommended?" string subCategory "Risk sub-category name" string summary "Summary of risk" } HistoricalFlooding { string details "Please state when the flooding occurred and identify the …" string hasBeenFlooded "hasBeenFlooded" string[] typeOfFlooding "What type of flooding occurred?" }
Physical model — every JSON object owned by this page is a node, every scalar field a row. 8 objects, 21 scalar fields. Generated from the schema walk; click any node to jump to its table.

Object model

Flooding

Transaction

transaction (root)

No scalar fields on this object — pure container.

Property Pack

propertyPack

No scalar fields on this object — pure container.

Environmental Issues

propertyPack.environmentalIssues

No scalar fields on this object — pure container.

Flooding

propertyPack.environmentalIssues.flooding

No scalar fields on this object — pure container.

Flood Defences

propertyPack.environmentalIssues.flooding.floodDefences
Title Description Type Kind Field Required Overlays Affordance
Please provide details string Declaration details
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
hasFloodDefences Are there any defence to prevent flooding installed at the property? string Declaration hasFloodDefences
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
hasFloodDefences Are there any defence to prevent flooding installed at the property? string Declaration hasFloodDefences
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)

Flood Risk

propertyPack.environmentalIssues.flooding.floodRisk
Title Description Type Kind Field Required Overlays Affordance
Action alert rating (1 is Green, 5 is Red) integer Declaration actionAlertRating
Licensing, distribution and copyright information string Declaration datasetAttribution
Recommendations string Declaration recommendations
Result string Declaration result
riskIndicator string Declaration riskIndicator
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
Property Information Questionnaire (PIQ)
Residential Disclosure Standard (RDS)
riskIndicator string Declaration riskIndicator
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
Property Information Questionnaire (PIQ)
Residential Disclosure Standard (RDS)
Summary of risk string Declaration summary
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)

Historical Flooding

propertyPack.environmentalIssues.flooding.historicalFlooding
Title Description Type Kind Field Required Overlays Affordance
Please state when the flooding occurred and identify the parts that flooded string Declaration details
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
Law Society Property Information Form (TA6)
hasBeenFlooded Has the property been flooded in the last 5 years? string Declaration hasBeenFlooded
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
Law Society Property Information Form (TA6)
hasBeenFlooded Has the property been flooded in the last 5 years? string Declaration hasBeenFlooded
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
Law Society Property Information Form (TA6)
What type of flooding occurred? What type of flooding occurred? string[] Declaration typeOfFlooding
Buyers & Sellers Property Information v5 (BASPI5)
NTS Material Information (sales) (NTS2)
NTS Material Information (lettings) (NTSL2)
Residential Disclosure Standard (RDS)
Law Society Property Information Form (TA6)

Risk Subcategories[]

propertyPack.environmentalIssues.flooding.floodRisk.riskSubcategories[]
Title Description Type Kind Field Required Overlays Affordance
Action alert rating (1 is Green, 5 is Red) integer Declaration actionAlertRating
Licensing, distribution and copyright information string Declaration datasetAttribution
Recommendations string Declaration recommendations
Result string Declaration result
Is action recommended? string Declaration riskIndicator
Risk sub-category name string Declaration subCategory
Summary of risk string Declaration summary

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