The SII Standard Lexicon

Defining the structural parameters of verifiable construction intelligence.

Glossary

Bill of Quantities (BOQ)

The foundational data asset detailing itemized costs and specifications, essential for algorithmic integrity scoring.

Retention Money

A calculated percentage of the contract value withheld until final defect rectification, functioning as a critical financial safeguard.

Variation Order

A formal amendment to the project scope or cost, requiring strict pre-approval protocols to prevent uncontrolled budget inflation.

Lump Sum Contract

A contract providing a single aggregate price, often lacking the structural transparency required for objective post-execution verification.

Provisional Sum

An estimated cost allocation for undefined work, flagged by the SII engine as a primary variable for potential cost escalation.

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