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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