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Discussion

A desk study is worth doing before any fieldwork because it

  • A.provides the factual data required for final design
  • B.establishes the strength of the ground beneath the site
  • C.identifies likely problems and guides where to explore
  • D.removes the need for any boreholes on most sites

Answer: C

Correct answer: identifies likely problems and guides where to explore

The desk study costs very little and is done before anyone goes on site, so its value lies in telling the investigation where to look. Maps, memoirs, old plans and records of neighbouring works reveal what ground to expect and what has gone wrong nearby, and the boreholes are then placed to answer real questions rather than scattered at random.

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