Native head-contract and subcontract variations on SBX. Single table with scope discriminator and pass-through bundling — backed by packages, with full negotiation timeline per row.
| Ref | Scope | Title | Package | Status | Estimated | Cost submitted | Cost certified | Pending | Last exchange | ||
|---|---|---|---|---|---|---|---|---|---|---|---|
| VAR-001 | Head contract | VAR-001 — Additional ground anchors, north shoring zoneGeotech GR-12 / CE-001: CE-001, S-201 Rev B | — | Submitted | $85,000 | $92,000 | $0 | $92,000 | — | ||
| VAR-002 | Head contract | VAR-002 — Switchboard relocation works (from CE-002)CE-002, E-201 Rev C | — | Submitted | — | $40,000 | $0 | $40,000 | — | ||
| Total | $132,000 | $0 | $132,000 |