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About Us

Underfoot Services - Residential Forensic Foundation Assessments

Established in 2000 Underfoot Services has extensive experience assessing and reporting on residential foundations, alongside providing consulting and reconstruction services to engineers and the EQC prior to the Canterbury Earthquake Sequence. The team consists of Licensed Building Practitioners, engineers and analysts. Underfoot Services has been engaged in:

  • conventional residential construction (be it timber framing, block-work, brick-work, concrete work, raft floors etc),
  • conventional reinforced concrete piling,
  • conventional timber piling,
  • hydro excavation piling,
  • one-off use specific and engineer designed structural steel ‘bulb pile’, inclusive of associated static load testing,
  • underlying fill depths of up to 4.5m,
  • deep piling improvements up to 12.0m depth,
  • assessment and reporting on ring and pile and slab foundations involved in seismic events so as to determine the construction materials, damage mechanisms, and damage experienced by the foundation elements, inclusive of recommendations on repair methodology to best effect an insurance response to damage,
  • reviewing and analysing local and international literature / academic to determine suitable repair methodologies for residential foundation types,
  • Attendance at joint expert reviews and completion of court ordered joint expert review documentation.

The Foundations 2 Area of Practice

The Foundations 2 Area of Practice License covers concrete and timber pile foundations. The LBP foundations class competencies require skills and knowledge of the regulatory environment of the building industry, current foundation trade practice, planning foundation work, and carrying out foundation work.

Bevan Craig

Bevan is an independent foundation specialist with extensive practical experience assessing, repairing and reporting on a wide range of foundation types. Prior to the 2010 / 11 earthquakes in Canterbury, Bevan completed foundation damage assessments and reinstatement work for the EQC and insurers throughout New Zealand.

A court certified foundation expert, Bevan is a member of the NZ Geotechnical Society (which is a collaborating technical interest group of the Institute of Professional Engineers of NZ),  an affiliate of the International Society for Soil Mechanics and Geotechnical Engineering (ISSMGE), and a Licensed Building Practitioner-Foundation (BP121273).


Jake Preston

Jake is a technology strategist and accomplished process analyst. He has an eye for detail and systems, coupled with a comprehensive knowledge of linking technology to efficient  process. Jake joined Underfoot Services in 2018 as a Consultant to help Bevan meet the needs of people impacted by post natural disasters.

Jake holds a Masters of Applied Science from Lincoln University, Masters of Communication from Massey University, Bachelors of Management (Hons) from Massey University. Jake has significant experience with the earthquake insurance process.

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