This technical report by buildingSMART summarises Phase I of the IFC Rail project, which extends the IFC schema for rail infrastructure. It details the organisation, methodology, and scope, guiding readers through project deliverables. Released in three versions (Sept, Oct, and late 2019), it supports understanding, documentation navigation, and the final IFC Rail Standard Specification voting process.

https://www.buildingsmart.org/wp-content/uploads/2020/06/RWR-IFC_Rail-Context-Approach.pdf

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