5.2 Suspended ground floors

5.2.2 Provision of information

Designs and specifications shall be produced in a clearly understandable format, include all relevant information and be distributed to all appropriate personnel.

Design and specification information should be issued to site supervisors, relevant specialist subcontractors and suppliers, and include the following information:

  • all necessary plan dimensions and levels related to identified benchmarks
  • details of load-bearing walls
  • minimum bearing dimensions
  • information on all proposed underground services
  • points of entry to the building for services
  • details of trench backfill, infill and void formers
  • details of junctions between DPM, DPC and tanking
  • details of underfloor and floor edge insulation and cavity insulation, where relevant
  • span and direction of structural members
  • details of non-loadbearing walls
  • details of ground hazards and mitigation measures.

Last updated: 2nd January 2024

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