Last edited 15 May 2017

Site layout plan for construction

Site layout plans are prepared by contractors as part of their mobilisation activities before work on site commences.

They are a crucial part of construction management, as sites can be very complex places involving the co-ordination and movement of large quantities of materials as well as high-value products, plant and people. Effectively and accurately laying out a site can help ensure that the works are undertaken efficiently and safely. Careful sizing and positioning of temporary facilities can help reduce travel times, congestion, waiting times and so on and help to make the site a more effective workplace with better worker morale.

Site layout planning involves four basic processes:

  • Identifying the site facilities that will be required.
  • Determining the sizes, and other constraints of those facilities.
  • Establishing the inter-relationships between the facilities.
  • Optimising the layout of the facilities on the site.

Site layout plans might include locations for and sizes of:

Problems caused by poor site layout planning can include:

  • Inappropriate storage which can result in damage to products and materials.
  • Poor siting of plant.
  • Poor siting of welfare facilities.
  • Inadequate space provision.
  • Unsatisfactory access.
  • Security and safety issues.
  • Poor wayfinding (due to complex layouts or inadequate signage).
  • Demoralised workers, delays and increased costs.

As sites will change in nature during the course of the works, there may be a number of different site layout plans for different phases, and there may be more detailed plans showing particularly complex areas or sequences or describing specific functions.

The use of building information modelling (BIM) can help describe the construction site in three dimensions and through different phases, effectively creating a virtual construction model.

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