Get Construction Details

Retrieves the full details of a specific construction by its unique identifier. A construction is a composite building element (e.g. a facade wall) made up of one or more EPD-backed materials, with aggregated LCIA (Life Cycle Impact Assessment) results across lifecycle modules.

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Endpoint

GET {{epdbaseUrl}}/construction/:id

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Path Variables

Variable	Type	Required	Description
id	UUID (string)	✅ Yes	The unique identifier of the construction to retrieve. Example: 9b1fc6c6-e08d-45b2-9d4f-df8d99bad066

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Authentication

This endpoint requires a Bearer token passed in the Authorization header.

Authorization: Bearer {{BearerToken}}

Obtain a token via the Authenticate user request and store it in the BearerToken environment variable.

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Response

200 OK

Returns a JSON object representing the construction and its aggregated lifecycle impact data.

Top-Level Fields

Field	Type	Description
id	string (UUID)	The public unique identifier of the construction
internalId	string (UUID)	Internal system identifier
internalVersionNumber	integer	Numeric version of the internal record
internalVersion	string	Semantic version string (e.g. "0.0.0")
name	string	Display name of the construction (e.g. "Skousbo facadevæg, træ")
names	object | null	Localized name map (nullable)
description	string	Short description of the construction (e.g. "Ydervæg med træbeklædning")
descriptions	object | null	Localized description map (nullable)
tags	string[]	List of classification tags (e.g. ["Træ", "Konstruktionstræ", "Mineraluld"])
isPublic	boolean	Whether the construction is publicly visible
isConstruction	boolean	Always true for construction objects
isCustom	boolean	Whether this is a custom (tenant-defined) construction
expectedLifespan	integer	Expected service life in years (e.g. 50)
tenantId	string (UUID)	ID of the tenant that owns this construction
tenantName	string	Display name of the owning tenant
newestVersion	boolean	Whether this is the latest version of the record
createdAt	string (ISO 8601)	Timestamp of creation
lastModifiedAt	string | null	Timestamp of last modification, or null if never modified
dataSourceId	string | null	ID of the data source, if applicable
datasourceName	string	Name of the data source
declarationOwnerName	string	Name of the declaration owner
basedOnMaterialIds	string[]	IDs of base materials this construction is derived from
epdInfo	object | null	EPD-specific metadata, if applicable
transportationInfo	object | null	Transportation scenario data, if applicable

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declaredUnit Object

Describes the functional unit used for the LCIA calculations.

Field	Type	Description
declaredUnit	integer	Enum value for the declared unit type
declaredValue	number	Quantity of the declared unit
baseEpdDeclaredUnitType	integer	Base EPD unit type enum
baseMassUnitType	integer	Base mass unit type enum
baseDeclaredMassValue	number | null	Mass value, if applicable
mass	number | null	Mass of the construction
massUnit	integer	Unit enum for mass

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lciaResults Array

An array of lifecycle impact assessment results, one entry per lifecycle module.

Field	Type	Description
moduleTypeEnum	integer	Identifies the lifecycle module (e.g. 0 = A1-A3, 1 = A4, 15 = C3, 17 = D)
moduleStatusEnum	integer	Status of the module result (e.g. 2 = calculated)
indicators	array	List of environmental impact indicator results for this module

indicators item fields:

Field	Type	Description
type	integer	Enum identifying the indicator (e.g. 12 = GWP total, 1 = ODP, 6 = PENRT)
unit	string	Unit of measurement (e.g. "kg CO₂ eq.", "MJ", "mol H+ eq.")
value	number	Calculated impact value (may be negative for biogenic carbon or module D credits)
originalIdentifier	string	Original identifier string from the source data

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constructionEpds Array

The individual EPD components that make up this construction.

Field	Type	Description
id	string (UUID)	Unique ID of the construction EPD entry
name	string	Display name of the component material/EPD
index	integer | null	Ordering index within the construction
parentConstruction	object | null	Reference to a parent construction, if nested
epd	object	Full EPD object for this component (same structure as a material EPD)

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Notes

• Negative values in lciaResults are expected and represent biogenic carbon storage (e.g. in timber) or net benefits in module D (beyond system boundary).
• The moduleTypeEnum values map to standard EN 15978 lifecycle modules. Common values: 0 = A1–A3, 1 = A4, 2 = A5, 3 = B, 5 = C1, 14 = C2, 15 = C3, 17 = D, 16 = C4, 4 = B4.
• The type field in indicators is an enum — refer to the indicator type reference in the API documentation for the full mapping.
• Tenant-scoped constructions will only be returned if the authenticated user belongs to the owning tenant.