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KAAN SONDAJ

Why site investigation is the most important line item

Insufficient ground data leads to over-designed foundations or safety risks.

, Guides, 1 min read

Site investigation is a small share of total cost, yet foundations, excavation methods and seismic design all depend on it.

The cost of a thin investigation

Too few or too shallow boreholes force designers to oversize foundations to stay safe — costing many times the investigation budget.

What to ask for

  • Photographed core boxes
  • SPT and lab results on the logs
  • Groundwater level monitoring