Halls outside, generation middle
A fault in one hall stays in that hall. Every hall has a short straight run back to the spine.
Four halls, one spine, everything inside the fence.
Symmetrical and dense by intent. Halls run east and west, generation sits on the centre line between them, water storage along the north edge, the 220kV substation on the east.
Layout
200MW now, 3 GW land banked
Short cable trenches, short pipe runs, symmetrical distribution. Every hall sees the same distance to generation, the same water head, the same fibre path to Singapore.
4 × 50 MW
22 m height
≥20 kN/m² floor
Decisions
Three decisions that cost money once
22 m halls, not 12 m
Headroom from day one for liquid cooling and whatever comes after GB300.
Water north, reservoir south
20 m pipe run through treatment, not 400 m. Fuel store below grade.