DA LOOP · DUBAI AIRPORTS
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© Zero Waste
TRACE · PILLAR TWO
If it isn't traced, it didn't happen.
TRACE is the ledger the contract is measured on. Six location levels give every container an address; ten custody events follow every kilogram from a passenger's hand to a certified bale.
The location architecture
Six levels, one address for everything
- DXB — Dubai International
- DWC — Al Maktoum International
- …of 2 sites
- DXB · Terminal 3 Concourse B
- DXB · Cargo Mega Terminal
- DWC · Passenger Terminal
- …of 19 zones
- T3 Concourse B · Gates B1–B19
- T3 Concourse B · Food court
- T3 Concourse B · Lounges
- …of 57 sub-locations
- Concourse B · Gate B14
- Concourse B · Café cluster B-East
- Concourse B · Duty-free spine
- …of 145 locations
- ST-B14-03 · four-stream station
- ST-B14-04 · organics + general
- ST-BFC-11 · F&B back counter
- …of 327 stations
- C-000481-27 · Plastics · 120 L
- C-000482-93 · Paper · 120 L
- C-000483-11 · General · 240 L
- …of 1,163 containers
Counts from the audited station register.
The custody spine
Ten events, no gaps
A PET bottle, from a T3 station to a certified bale.
- 1DEPOSIT
ObjectEvent · ADD
Material enters a coded container at the station.
- 2COLLECT
ObjectEvent · OBSERVE
Porter scan lifts the container; custody passes to the round.
- 3WEIGH
ObjectEvent · OBSERVE
Certified scale writes the weight to the ledger.
- 4CONSOLIDATE
AggregationEvent
Containers aggregate into a coded yard load.
- 5DISPATCH
TransactionEvent
Load leaves site with an electronic manifest.
- 6RECEIVE
ObjectEvent · OBSERVE
Yard confirms arrival; seals and weights reconcile.
- 7GRADE
TransformationEvent
Coarse sort to recoverable streams — Sorting Level 2.
- 8REFINE
TransformationEvent
Fine sort to trade grade — Sorting Level 3.
- 9SHIP
TransactionEvent
Graded bales move to the plant with chain of custody.
- 10CERTIFY
ObjectEvent · OBSERVE
Certificate issued; the ledger closes on the load.
Built on open standards
The standards rail
GS1 identifiers
Every container, station and load carries a global ID.
EPCIS 2.0 events
Ten custody events in the open supply-chain standard.
MOD 97-10 check digits
Every code self-validates before it enters the ledger.
ISO 14064-3
Emissions figures verified by an independent third party.