How construction decisions become evidence you can replay
Working notes from building LITHIC Core: what decision infrastructure is, how Swedish authority and classification enter a decision chain, and how the BIM tool categories actually differ.
What is construction decision infrastructure?
Models describe geometry. Decision infrastructure records the choice, the evidence behind it, the authority that governed it, and the receipt that proves it.
Decision receipts: proving why a construction choice was made
A receipt is not a report. It is the reconstructable record of one decision: its scope, its evidence, the rules applied, and the exact versions in force.
BIM data is evidence, not authority
A parameter in a model is a claim made by whoever typed it. Treating claims as authority is how wrong numbers get inherited across an entire project.
LITHIC Sweden Pack: jurisdiction-specific decision rules
A universal decision engine cannot carry Swedish regulation in its core. The Sweden Pack supplies that jurisdiction layer in four governed layers.
CoClass, BIP and BK04: how Swedish classification fits a decision chain
Three Swedish reference systems, three different jobs. Confusing them is one of the most common causes of unreliable classification in Swedish projects.