Definition
The staining and potential warping of a flat roof caused by residual rain water not draining properly.
Layer details
AI Packs | Roof Condition |
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Status | Production |
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Includes | ◾️ Parts of flat roof that are discoloured and/or "bubbled" due to long term water damage ◾️ Parts of a flat roof with visible puddling of water |
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Excludes | ◾️ Discolouration of tile or shingle roofs Stains from removed objects (such as A/C units) |
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Usage Notes | Roof ponding is a common slowly degrading form of damage for flat roofs, most commonly on commercial and industrial buildings. The confidence and area of ponding can be used to measure a change in severity over time (as both confidence scores and area will increase with the amount and strength of the staining). |
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Product-specific Terms and Conditions | ◾️ US ◾️ Australia |
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Layer specifications (Offline Vector)
Attribute Name | Data Type | Attribute Data Type (Example) | Comments |
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AiVersion | varchar | gen4-building_storm-offline-243a04aab02a0a78e0f427c626563670 |
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Id | varchar | 000baa00-025c-54b3-9025-dbdc68054c7c | GUID |
FeatureClassId | varchar | a2e4ae39-8a61-5515-9d18-8900aa6e6072 | GUID |
Description | varchar | Building | Name of the layer |
FeatureStatus | varchar | Production |
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SurveyDate | varchar | 2020-12-03 | ISO8601 format (YYYY-MM-DD) |
ParentId | varchar |
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Confidence | double | 0.994140625 | 0-1 Probability Distribution |
AreaSqm | double | 174.0997438 |
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AreaSqft | double | 1873.992233 |
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ClippedAreaSqm | double | 174.0997438 |
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ClippedAreaSqft | double | 1873.992233 |
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UnclippedAreaSqm | double | 174.0997438 |
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UnclippedAreaSqft | double | 1873.992233 |
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Layer relationships
AI Pack | Attribute Name | | Used in AI Pack | Attribute Name |
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Roof Characteristics/Roof | ID | > | Roof Condition/Roof Ponding | ParentID |
Examples
https://apps.nearmap.com/maps/#/@41.8974759,-87.6828475,19.00z,0d/V/20201007