SAUDI
ARABIA - Mapping
of pipelines 
- used for mapping existing older pipelines
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is used for mapping existing older pipelines, particularly
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where
original maps may have been lost or are suspected of being
inaccurate |
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if new
construction work is being planned for the vicinity |
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to
check that new pipelines have been installed within the legal
‘right of way’ |
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to
check on depth of cover, especially in conditions where
erosion is thought likely |
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to
identify the precise location of faults, branches, CP
cross-bonds and anodes for repair or replacement with the
minimum of excavation. |
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