GEOTECHNICAL ENGINEERING INVESTIGATION REPORT FOR PROPOSED OFFICE COMPLEX AND SLOPE STABILITY ASSESSMENT AT KAKAMEGA TOWNSHIP FOR ONE ACRE FUND- A CASE STUDY.

Abstract
A geotechnical site investigation is the process of collecting information and evaluating the
conditions of the site for the purpose of designing and constructing the foundation for a structure,
such as a building, plant or bridge in this case it is an office complex.
Good planning for and management of a geotechnical site investigation to obtain sufficient and
correct site information for designing a structure in a timely manner and with minimum cost for
the effort needed.
The collection of geotechnical data and the preparation of a report for a proposed structure
should be considered in four phases:
1) Project definition prepared by the owner in conjunction with an architect, if selected. The
project definition consists of architectural/engineering foundation criteria such as loading
and settlement; on or above ground structure; service life of structure, and proposed
design/ construction schedule.
2) Preliminary site and project evaluation conducted by the geotechnical consultant selected
for the geotechnical site investigation. It consists of preliminary site review of past
geotechnical investigations of nearby sites and a selection of likely foundation design(s)
based on published literature and the geotechnical consultant knowledge of the site. This
preliminary evaluation and a consensus by the owner are used to develop the detail of the
proposed geotechnical site investigation.
3) Geotechnical site investigation (trial pits and sampling) and laboratory testing for soils
characteristics.
4) Geotechnical report preparation with recommended foundation system options.

 

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