An in-depth field manual, Geotechnical Testing, Observation, and Documentation, Third Edition, by Tim Davis is an indispensable reference guide for soil technicians, inspectors, and geotechnical engineers. It is designed for use during the investigation, grading, and construction phases of geotechnical projects.

This new edition covers common laboratory and field tests, sampling methods, field soil classification, jobsite soil construction, geologic considerations, LID features, and standard to innovative foundations. From site investigation and field work, through documentation during construction, project management, pre-con and preparation, site safety, to a comprehensive sample geotechnical report.

Studious test questions are provided at the end of each chapter, while three appendices with more than 500 geotechnical related terms are included. An answer key to chapter questions and an example of municipal standards is provided.

This updated edition is beneficial for training new technicians and offers a refresher course for veterans of the profession. Those considering additional certifications will find this book an essential test preparation aid.

Tim Davis's career has involved multiple phases of geotechnical construction, including investigation, lab and field testing, observation, inspection, report writing, supervision and training. Davis holds a NICET Level IV as a geotechnical engineering technology generalist and is certified as a qualified construction stormwater inspector.