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All time/date displays and shift-day math use this time zone.

Truck-fuel estimate: haul km = trips (tonnage ÷ truck capacity) × round-trip distance (paved chainage − plant, ×2) × (1 + extra %). The extra covers gradient, manoeuvring and camp/plant runs beyond the straight round trip.

Contract tonnage. Machines set to unit-of-production depreciation divide their value by this to get a fixed cost per tonne — so a month with little or no production never produces an absurd cost/t.

Used for the Paving Plan day estimate — effective capacity (t/h) × daily hours = t/day.

Stock page colors each material by how many production-days it lasts: red below critical, amber below warning, green above.

One truck plate/code per line.

Add here after creating the account in Firebase Auth. The app shows this name.

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