How does Bildstak help quantity surveyors?

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Bildstak helps quantity surveyors benchmark unit rates from past projects, build cost-at-completion forecasts joined from the ERP and the programme, and assemble variation and EOT claim packages with full cited evidence — without manually reconciling spreadsheets across systems. Quantity surveyors sit at the intersection of every cost, contract and programme record on a project. Bildstak federates those records and makes them queryable.

Estimation from outturn data — when pricing a new package or validating a subcontractor tender, Bildstak can surface unit rates from comparable past projects in the portfolio, with confidence ranges derived from actual cost data rather than published indices.

Cost-at-completion forecasting — join the cost ledger actuals from SAP or Maconomy against the P6 progress curve to produce an earned value-based forecast that answers "where will this package land?" with figures cited to both systems.

Variation and EOT claim assembly — the Claims Builder traces the entitlement chain: cause event → RFI trail → programme slippage → contract clause → quantum. It assembles a cited, structured claim package that reduces the time from instruction to submission and makes the evidence trail defensible.

RFI and submittal tracking — pull the RFI register from Procore or Aconex and filter by overdue, by value impact or by package. Know where the ball is at every moment without logging into multiple platforms.

Specification and contract cross-reference — ask which specification clauses apply to a given package, or flag conflicts between two contract documents, without a full document review.

Audit trail — every figure Bildstak returns is cited to its source record. For QS work that has to survive scrutiny, that citation trail is part of the answer, not an afterthought.

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