Frequently Asked Questions About Utility Marking ("Call Before You Dig")
What is the number for the "Call Before You Dig" services offered by OUPS?
1-800-362-2764
Please call at least 48 hours before you dig in your yard to have the utilities marked in the area where you will be working. This will protect you from harm and help prevent an interruption in service.
What are the different colors used for utility marking and what do they mean?
The uniform color code used in marking utilities tells the contractor which utility is in the construction area and relates to each utility as follows:
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red
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electric power lines, cables, conduit, and lighting cables
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yellow
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gas, oil, steam, petroleum, or gaseous materials
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orange
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communication, alarm or signal lines, cables, or conduit
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blue
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water, irrigation, and slurry lines
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green
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sewers and drain lines
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pink
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temporary survey markings
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white
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proposed excavation
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