LOD and LOI Tool

Author: IStructE BIM Panel

Date published

11 August 2021

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LOD and LOI Tool


IStructE BIM Panel

Date published

11 August 2021


IStructE BIM Panel



Use this tool to help you quickly determine the level of detail and level of information required for the structural stage of work.

The Level of Detail and Level of Information (LOD/LOI) Matrix spreadsheet is a new interactive tool prepared by the Institution's BIM Panel to help structural engineers, technicians and other professionals understand their responsibilities in delivering data and information through various project stages.

The document is intended to be guidance for the engineer and modified on a project-by-project basis by the engineer to aid in the removal of ambiguity regarding the structural engineer's project deliverables, and to better manage the expectations of other project team members.
The tool enables users to:
  • View the level of detail and information for a particular structural element at a given structural plan of work stage
  • View templates/generic examples of the level of information required, in the form of images and data

Please note that the Excel file contains macros. If you are having difficulties downloading it, then it may have been blocked by your firewall due to these macros. Please speak to your company’s IT department before contacting the Institution.


Additional information

Excel Spreadsheet


Guidance Construction management Quality Best practice BIM Panel

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