Aluminium cladding at Ochrefield Tower (synthetic)
One source’s word (V0)Can be filedProxy
Geography: AE-DUProxy · Regional evidence is limited; band widened No factor exists for this region, so a wider region’s factor stands in. The band is widened and the tier capped.Geography fallback · depth 1
P5 · 87.1P95 · 250.1
147.6 tCO2ebetween 87.1 and 250.1 about 90% of the time (P5 to P95) The median is the middle estimate. The band runs from P5 to P95: the true value falls inside it about 90% of the time.One source’s word (V0)A tier says how the evidence behind a figure was obtained. It is evidence quality, not assurance.
Why this tier
One source’s word (V0): regional proxy limits evidence quality.
Capped because a regional proxy factor is used. Regional evidence is limited; band widened
How to move this up
Add a second, independent record of the same quantity.
Who to check it with
O. Haddad (synthetic), site engineer at Ochrefield Tower.
What could we add
A supplier statement or a meter reading for the same weeks.
Chain of evidence
The tier describes only the quantity.
Quantity
- 12.4 t from the records listed below
Factor
- FACTOR-07: 11903.226 kgCO2e per t, geography AE-DU, PROXY with its band widened
Where it comes from
- Ochrefield Tower team (synthetic) · primary recordDocument · 2026-Q2 · Kept as received12.4 t, GSD 1.10 · One source’s word (V0)
- Instrument slot: empty
- Practitioner slot: empty. No assurance engagement is recorded for this period.
What was added
- Delivery notesCladding supplier (synthetic)Rail R1, Documents
What should we add next?
Pick something you could add and whose it would be. The answer is the engine’s.
Nothing is picked yet.
Band over time
Not known, because this figure has only one computed band this period.
For auditors
- kgCO2e
- 147,600 (P5 87,100, P95 250,100)
- GSDs
- Document 1.1 · factor 0.3
- Factor
- FACTOR-07, geography AE-DU
- Verdict
- concordant
- z
- Not computed, because there is one record
- Criteria
- CS-GROUP-2026.v1, PROPOSED, not ratified