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Published By Lankelma

Lankelma is the foremost contractor for onshore in-situ soil testing in the UK. An acknowledged specialist in CPT, Lankelma also offers a worldwide consultancy and training service.

A.P. van den Berg develops, designs and manufactures geotechnical and environmental soil investigation equipment for onshore and offshore applications. Specialists in CPT systems and equipment.


Gardline Geosciences offers worldwide marine geotechnics, in-house consutancy and services with marine investigations ranging from nearshore to full ocean depth (down to 3000m).

About the Author

Hans Brouwer studied civil engineering at Delft University in The Netherlands. He has worked as a part-time lecturer at Amsterdam Polytechnic and was senior partner in a structural engineering consultancy. He has written a standard textbook in Dutch about the design of building foundations. He now lives in England where he writes technical textbooks in English, hopefully to reach a bigger readership.

Chapter 8

Push technology in the rail environment


        PLANNING   8.2

For the planning of a rail-site investigation, it is very important to gather
as much information as possible in the time available. Listed below are
a few points to remember when planning.

  • Speak to the CPT contractor at an early stage to have their input into
    the project. It could save time and money in the long run
  • Make sure that the correct rig is chosen for the purpose of the works
  • Try and carry out works during the longest possible possession to
    get the best productivity
  • Carry out all service checks before the works are due to start
  • Check for access points as close to the works as possible
  • Try to combine works together under one possession where possible
  • Provide as much information as possible about the site to the CPT
    contractor (eg borehole logs or ground probing radar (GPR) logs). 
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