Last edited 04 Jun 2021

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BSRIA Institute / association Website

Building services technical design model

Design Framework for Building Services 5th Edition (BG 6/2018), written by David Churcher, John Sands & Martin Ronceray, and published by BSRIA in June 2018 states: ‘The technical design model can be developed to one or more levels of definition during Stage 4, to suit the chosen procurement route. If a client wishes a designer to deliver a coordinated-generic object model but not the preceding feasible-generic object model then this has to be clearly indicated in pro-forma 4 and/or Appendix B. Tolerances for technical design models should be agreed between the recipient and the author before technical design starts, with reference to other members of the project team as appropriate.’

Not all the model variants listed below need to be delivered. This will be decided depending on the procurement route and the client’s requirements.


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