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PJWASTE: Project Waste

ReferenceEntity Reference16/04/2026Updated 16/04/2026
The PJWASTE entity represents waste generated by a project, categorised by type and disposal method. Calculates Scope 3 emissions from waste disposal.

PJWASTE: Project Waste

The PJWASTE entity represents waste generated by a project, categorised by type and disposal method. Calculates Scope 3 emissions from waste disposal.

Default definition. This article describes the default PJWASTE definition shipped with DemandFlow. Administrators can add, remove, rename, or re-type fields, change which ones are required, and alter the layout from the Definitions screen in Settings. Your tenant's current schema may differ from what is shown here. To read the current definition at any time, GET the DEFINITION object whose id matches PJWASTE.

Entity properties

PropertyValue
Entity codePJWASTE
Display nameProject Waste
PluralProject Waste
Level72030

Use cases

Child entity of PJ via SUB|PJ comboKey. Waste categories follow typical construction waste streams. Disposal method affects the carbon factor applied. landfill has higher emissions than recycling. The carbon factor objectLookup should point to the appropriate disposal CARBONFACTOR.

Fields

General

FieldTypeRequiredNotes
nametextYesWaste description.
wasteCategoryenumYesWaste category. Valid ids: excavation (Excavation spoil), concrete (Concrete / masonry), metal (Metal (ferrous & non-ferrous)), plastic (Plastic / MDPE / HDPE), timber (Timber), electrical (Electrical / WEEE), hazardous (Hazardous), asbestos (Asbestos), general (General / mixed), packaging (Packaging).
tonnesnumberYesQuantity (tonnes).
disposalMethodenumDisposal method. Valid ids: landfill (Landfill), recycled (Recycled), reused (Reused on site), incineration (Incineration), specialist (Specialist disposal).
carbonFactorreference → CARBONFACTORCarbon factor.
carbonFactorRaterelatedPropertyFactor rate (kgCO2e/unit).
kgCO2enumberTonnes x carbon factor rate. Read-only.
wasteCarriertextWaste carrier.
wasteTransferNotetextWaste transfer note ref.
dateRemoveddateDate removed.

Relationships

  • Lookups: carbonFactor points at CARBONFACTOR record.

Creating a Project Waste via the API

POST /v1/objects
Authorization: Bearer <your-pat>
Content-Type: application/json

{
  "entity":   "PJWASTE",
  "level":    72030,
  "comboKey": "SUB:<your-sub-id>|ENT:",
  "name": "Example",
  "wasteCategory": "excavation",
  "tonnes": 100,
  "disposalMethod": "landfill"
}

Listing PJWASTE records

# All project waste in your tenant
GET /v1/entities/PJWASTE/SUB

See also

pjwasteproject wasteprojectwaste

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