CADD Engineering Standards - Ohio Department of Transportation
CADD Engineering Standards - Ohio Department of Transportation
CADD Engineering Standards - Ohio Department of Transportation
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306.2 GEOPAK COGO Element Names<br />
January 18, 2013<br />
To facilitate the efficient sharing and transfer <strong>of</strong> COGO information between consultants, ODOT, and<br />
contractors, the GEOPAK COGO Element Names detailed below have been established.<br />
COGO Points<br />
Bridge aBR##<br />
Centerline Station or Station Equation aCS##<br />
Construction Limits aCN##<br />
Curve PC aPC##<br />
Curve PT aPT##<br />
Design aDN##<br />
Drainage aDR##<br />
GPS GP##<br />
Miscellaneous / Junk aJK##<br />
Monument MN##<br />
Property PP##<br />
Right <strong>of</strong> Way Existing RE##<br />
Right <strong>of</strong> Way Proposed aRP##<br />
Roadway Point <strong>of</strong> Intersection (PI) aPI##<br />
Survey SV##<br />
Utility Location UT##<br />
where:<br />
a = Alternate A, B, C, . . . (if applicable)<br />
## = Two or more digit number 01, 42, 541, 2235, etc.<br />
Notes: GEOPAK supports alphanumeric point numbers<br />
to a maximum <strong>of</strong> nine characters. Alphanumeric<br />
point numbers must have an alpha prefix and a<br />
numeric suffix. For example, 123abc is not<br />
acceptable, while abc123 is supported. The<br />
number portion must be greater than zero, i.e.,<br />
abc0 or abc000 are not acceptable. Also, do not<br />
use special characters, such as %,*,
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