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OQ 71

Horizontales
Reclaimed water (color)
Whose responsibility is it to make sure markings are present
Dig safe is an example of this (three words)
____ or rock free soil
A color coded system is used to mark these (two words)
Verticales
Removal of any materials from the ground
The additional protection needed if appropriate depth can't be met
Marked area where only hand digging is allowed (two words)
Flags and markers are other examples
Put in place to prevent pipeline damage or worker injury
18"cover for services located in public right of way
Six inches of compacted backfill