advantage of groundwater
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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- advantage of groundwater
Transcribed Image Text:The Different Stages of Site Investigation
A site investigation is undertaken to comply with Repulatory requirements
(necessany) and to minimise exponure to risk (desirable). Traditionaly there are six
stages to a typical site imvestigation:
• Desk Study.
• Site Reconnaisance,
• Site Exploration and Sampling
• Field Test/in-situ Test.
• Laboratory Testing and
• Report Writing.
Here we explore each of these phases in more depth as well as new ways the process
could potentially be beoken dewn.
1. Desk Study or Phase I Geo-Environmental Assessment
This is the preliminary stage of the site investigation and comprises the serutiny of a
wide variety of colletive informaticn souroes relating to the site such as historical
maps, drawings. kocal wathority information, published grology. hydrogology,
hydrology, envinonmental, mining, and unexpioded ordnance, Where available,
statutory services information may also be included.
The information gathered is then used to construct a ground and conceptual site
model (CSM) follosed by an environmental and gootechnical risk assessment. The
Dosk Study provides the framework and scope for the neat stages of site investigation
wbere required.
2. Site Reconnaissance
The initial phase (preliminary imestigation) imebes early examination of the site by
specialists. Information is collected daring a site walkover survey to acknowledge
possible site sestrictions relating to the, serrain, existing structures, utilities,
environmental, seasonal and ccological constraints. The condition of land
surrounding the subject site are also considered.
Local conditions noted at this stage wl help generate an adequate exploration
design and prepare for the future intrusive grond investigations. Photograpes will
be taken at this stage asa record of the site details during the initial walkover survey.
3. Site Exploration & Sampling
Next a more detailed ground imvestigation is carried out to establish the general
gological, hydrogoolopical and subsurtace scil conditions. Compechensive
Transcribed Image Text:SLEEVED PIPE PASSING
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