for Facility Owners
The following Statewide Marking
Guidelines may be used by member facility owners.
Width of each mark should be approximately 2".Length of each mark should be approximately 12" - 18".Distance between marks depends on site conditions, but no greater than 20'.Company identification painted at reasonable intervals to allow quick identification.End marks should contain arrows if line continues.The size of any painted text does not expand the tolerance zone.
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MARKING
SAMPLES |
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LINE |
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.wAny single facility less than 12" in diameter. |
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wSingle conduit |
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CORRIDOR |
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wUsed when multiple facilities cannot be specifically delineated. Mark should represent located outside edges and number of facilities whenever possible. |
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OVERSIZED |
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wAny facility 12" or greater. Marks should represent outside edges of facility. |
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DUCT PACKAGE |
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wMarks should represent outside edges of facility whenever possible. |
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HIGH PRESSURE GAS LINES |
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wCompany should indicate that the line is high pressure gas. |
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TERMINATION POINT |
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OFFSETS |
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wUsed when marks cannot be placed directly above buried facility. |
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NO CONFLICT |
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NO/COMED |
wRecommend
company name with the word NO wRecommend company name with the word NO |
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NICOR/OK |
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BURIED SPLICES, VALVES, MANHOLE LIDS |
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wCircle should represent approximate size of buried facility |
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STREET LIGHTS |
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TRAFFIC CONTROL |
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