Construction — Certification

Construction's own structural and realism results on Lagos, pulled straight from the domain's own certification write-up.

Published certification · Read the scope with the result

Construction Certification Result

16 structural checks. 5 realism checks.
Lagos.

16 / 16Structural checks PASS, Lagos

LAGOS — 16/16 structural PASS · 5/5 realism PASS

Schedule Slippage

certification check — Completed projects finishing after PlannedEndDate

PASS — real fix, 2026-07-26: Lagos previously had a 0%-late generation model artifact; now the majority genuinely finish late, Lagos.

Cost Overrun

certification check — vs. Flyvbjerg et al. global infrastructure cost-overrun literature

PASS — cost ratio 1.10, 68.6% over budget; Lagos 1.10, 68.63% over budget, after the underlying cost-behavior defect was corrected and revalidated.

Temporal Integrity

certification check — inspection date vs. linked Project/Permit dates

PASS, Lagos — a real Lagos-only floor-logic bug (20,067+ affected rows) found and fixed 2026-07-26.

This is a Construction-scoped extract of what's already published on the domain page. For the full six-category certification framework (Structural, Statistical, Historical, Privacy, Reproducibility, Explainability) that every domain is measured against, see Certification Explorer →.

Open the full Construction write-up →

Construction Spot Check

Review the published record examples.

These published synthetic record examples show the dated history available for this domain. Longer histories are sampled across their full span; each record states how many events are displayed.

Lagos Construction Project LOS-00006481940–1987 · 4 events

Every event in this record passed the platform's live birth/death integrity guard when it was created — a built-in check, not an after-the-fact assertion.

View sampled timeline →

Lagos Construction Project LOS-00009781940–1971 · 4 events