APWA
Uniform Color Code
For marking underground utility lines
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Proposed
Excavation |
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Temporary
Survey Markings |
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Electric
Power Lines, Cable, Conduit and Lighting Cables |
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Gas,
Oil, Steam, Petroleum, or Gaseous Materials |
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Communication,
Alarm or Signal Lines, Cables or Conduit |
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Potable
Water |
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Reclaimed
Water, Irrigation and Slurry Lines |
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Sewers
and Drain Lines |
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