What this page covers
- Per-element base distributions
- Time-dependent cost via schedule connection
- Risks mapped straight onto cost elements
Engine / costs
Costs
Cost elements with their base amount, an uncertainty distribution, an optional link to the schedule, and the risks that drive them.
Engine / costs
Cost that knows what the schedule is doing.
Each cost element carries its own uncertainty band, and the time-dependent ones are wired to an activity — so when the schedule slips, the day-rate cost follows it instead of sitting frozen in a spreadsheet. Risks map straight onto the elements they hit.
| Cost Element | Base | Base Distribution | Schedule Connection | Risks | |||||
|---|---|---|---|---|---|---|---|---|---|
| Activity | Duration | Day Rate | Fixed | Variable | |||||
| Project Costs | 1K | 2 items | |||||||
| Base Cost | 1K | — | – | – | 0 | 1K | |||
| Cost of Delay | 0 | — | – | – | 0 | 0 | |||
| Direct Costs | 372K | 3 items | |||||||
| Materials & bulk equipment | 165K | — | – | – | 165K | 0 | |||
| Construction labour | 112K | FAB-210 | 0 | 112K | |||||
| Subcontract works | 95K | — | – | – | 95K | 0 | |||
| Indirect Costs | 59.6K | 2 items | |||||||
| Preliminaries & site running | 33.6K | INST-400 | 0 | 33.6K | |||||
| Design & professional fees | 26K | — | – | – | 26K | 0 | |||
7 cost elements · 3 groupsTotal base 432.6K
Cost element detail
Open one element and the whole model is there.
Behind every row: its base distribution, the activities that stretch it, the risks mapped to it, the resulting cost distribution with mean and percentiles, a formula editor for anything the fields cannot express, and how it spreads over time.
Base Distribution
costs / what drives the numberlive
01Base distribution per cost element, in % or absolute
02Triangle, Beta-PERT, Uniform, Normal and Trigen
03Schedule connection: duration × day rate drives variable cost
04Fixed and variable split kept visible per element
05Cost elements grouped into a breakdown structure
06Risks mapped directly onto the elements they hit
07Cost and schedule risk run in the same model
08Feeds the QCRA total-cost S-curve and its P80
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