V
Vantage Estimator
Domain
Project
Answer a few questions — the engine handles WBS, risk ranges, correlation & contingency.
Estimate name
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✦ AI Walkthrough
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Guided mode. Detailed editing & advanced rigor live behind Refine / Advanced.
Budget to P80
—
80% confidence at or under this
Point estimate
—
—
Contingency
—
to P80
Cost S-curve (probability of coming in at or under)
Cost breakdown
Detailed editor — line items, methods & risk (%)
Item
Method
Inputs
Risk lo / likely / hi
Value
Markups
Custom line items
+ Add line item
Direct + markups (point)
—
Advanced rigor
Market correlation between items — ρ =
0.50
Higher ρ = items move together (systemic risk) → wider tail, more contingency.
Risk distribution model (all items)
Triangular (default)
PERT — smoother
Lognormal — right-skewed
Sensitivity — top cost drivers
Cross-checks — estimate an item a second way
Item
Second method
Second-opinion $
Build-up (qty × unit)
Parametric CER
Add cross-check
✦ AI Walkthrough
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Low $
Likely $
High $
AI estimate — a starting point to verify against real quotes, not an authoritative price.
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