Rail delivery is governed by access. Your forecast is really a forecast of how much work you can complete inside the possessions you have been granted — everything else follows from that.
The maths is the same everywhere. These are the sector-specific conditions that make a generic forecast wrong.
A weekend blockade delivers what it delivers. Adding labour beyond the working face achieves nothing, so resource-based recovery plans are usually fiction.
Access, not resource, is the constraintHanding back late incurs Schedule 8-type penalties and jeopardises future access. The incentive is to leave work undone rather than over-run.
Penalties can exceed the work valueFunding releases by stage. Forecasting outturn without forecasting the stage gate date forecasts a number nobody can authorise.
Gate dates gate the moneyIsolation, protection, plant on and off track, and testing before handback can take a third of a short possession before any work happens.
Short windows are mostly overheadSignalling design acceptance, network change and stakeholder consents run to their own timetable, largely outside your control.
Approval lead times exceed work durationsThe engine is identical across industries. The pack is the content that makes it speak your sector's language from the first time you open it.
BAC $31M. EV $9.1M, AC $10.7M, PV $10.2M. Average effective working time is 62% of the possession length against a 75% baseline assumption.
Illustrative figures, shown to demonstrate the method. Your numbers replace them.
Forecast Engine $299 · Rail pack $99 · all eight packs $499
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