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Phased reconstruction: keeping unit 1,900 identical to unit 1
A reconstruction programme does not buy 2,000 homes in one day: it buys them across two or three years, against a calendar that moves when the funding moves. The real risk is not price, it is that unit 1,500 is not the same as unit 15. That is where a well-designed programme breaks.
The long-batch problem
When production of one order runs eighteen months, three pressures push quality down:
- Supplier switching. If coil and profile are bought from whoever is cheapest that month, the batch stops being homogeneous.
- Silent subcontracting. When workload exceeds capacity, it is spread across outside workshops.
- Control fatigue. Inspection is intense on the first batch and loose by the fifth.
All three are avoided with the same instrument: production in one plant, a material configuration frozen by contract, and an inspection record per unit.
How we structure phased supply
- Closed batches. Each phase is a fixed quantity with a fixed configuration. Nothing changes mid-batch.
- Unit numbering. Every unit leaves with a number, type, production date and assigned inspector.
- Photographic checklist. Records of frame, panels, wiring and closure before packing.
- Sealed bundles. The batch travels sealed and is opened in the presence of the receiver.
- Inspection milestone per phase. Buyer or auditor can inspect before each shipment.
Phased supply from one line: uniformity holds because the material never changes.
Documentation per phase
| Document | When issued |
|---|---|
| Approved unit drawings | Before the production order |
| Material certificates (coil, zinc, board) | With every batch |
| Fire and wind test reports | First batch and on any configuration change |
| Per-unit inspection record | With every shipment |
| Packing list and loading plan | With every container |
| CE certification of electrical components | Per destination country, before production |
Design support across the programme
A long programme changes needs: year one orders bedrooms, year two sanitary modules, year three classrooms. Our team keeps the same frame and adapts layout, openings and electrical layout, so units from different phases can sit in the same complex without a visible difference.
The question worth asking a supplier
Before awarding a phased supply: can you show me the inspection record for your last 200 units and the material certificate for the batch in production?
A manufacturer producing in its own plant answers the same day. One spreading production across workshops cannot answer, because it has no single record to show.
If your organisation is planning phased reconstruction, we can prepare the production plan, per-container packing list and inspection milestone calendar before the tender, with type design included.
