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Construction · Billing
From site measurement to certified payment — whether your market calls it a payment application, an interim valuation, an RA bill or an IPC. Quantities come from the measurement book, rates come from the variation-adjusted BoQ, and retention and deductions are computed, not remembered.
Record measurements
The measurement book captures nos × length × width × height, deductions, location and date against BoQ items.
Keep the BoQ current
Approved variations adjust contract quantities and add new items at agreed rates, so the bill always prices off the live contract.
Raise the bill
Start a progress bill for the period and fill quantities straight from the measurement book.
Certify
Certification locks the billed value, holds retention and applies deductions.
Track to net payable
Retention ledger and billing curve show what's held, what's billed and how it tracks against the contract.
Quantities are recorded the way a QS records them — dimensioned entries with deductions, tied to a location and date. When you raise a bill, one action fills the period's quantities from the MB, so billed quantities are traceable to measured work.
Draft a change order against contract lines or as new items, route it for approval, and the BoQ updates on approval — so there's no gap between what was agreed and what gets billed.
Certification holds retention into a ledger and applies statutory deductions through regional statutory packs (for example India's TDS, GST-TDS and BOCW cess). The billing curve shows cumulative billed value against the contract.
The document is the same everywhere; only the label changes. The product uses your market's vocabulary.
Payment application
US — pay app / AIA-style progress billing
Interim valuation / application
UK — interim application for payment
RA bill
India — running account bill
IPC
FIDIC — interim payment certificate
Measurement book, variation-adjusted BoQ, retention and deductions — one traceable chain to net payable.