A business method for managing collaborative work on construction documents, accessed via QR codes (RTM) in locations around a construction site. The QR codes (RTM) are read by a QR code reader on a device such as a smartphone or tablet, and allow access to documents related to the construction project, specifically 3D Computer Aided Design (CAD) documents and checklists relating to the project. The user can edit the documents using the smartphone or tablet whilst in situ on the construction site, then save the document to the shared workspace where it can be accessed by other users. This allows for interactive and real-time updates to project documents, and project management.
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