WARNING MESH - TRACING WIRE
In all trenches with a microduct, a tracing wire that follows the microduct must also be laid along the ditch bottom. If the microduct is terminated in ground, it is also recommended that a listening ball/search ball be laid down.
Where microducts or cables have been buried, cable marking must be used.
In all main routes, tracing wire and warning mesh should be laid together with microduct and cables.
EXAMPLE:
Spliced tracing wire on warning.
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