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CADD Engineering Standards - Ohio Department of Transportation

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Figure 503-2<br />

504 <strong>CADD</strong> File Requirements for Design and Construction<br />

504.1 General<br />

January 18, 2013<br />

Section 1503 <strong>of</strong> The Location and Design Manual, Volume Three – Highway Plans details the file types<br />

required for <strong>CADD</strong> and electronic files submitted to the <strong>Department</strong> for Minimal, Minor, and Major projects<br />

as defined by the Old Project Development Process (PDP) Manual and Paths 2, 3, 4, and 5 for the New<br />

PDP. When electronic files are required, the files shall conform to the requirements detailed throughout<br />

this manual with the additional requirements specified in this section.<br />

504.2 Horizontal Alignment ASCII Reports<br />

When horizontal alignment reports in ASCII text format are required, the following information shall be<br />

included in the ASCII reports:<br />

• A listing <strong>of</strong> all COGO elements contained in the chain.<br />

• Northing and Easting coordinates, and stations for all horizontal key points (PI, PC, PT, SC, CS,<br />

CC, etc.)<br />

• Bearings and distances between all key points.<br />

• Curve and Spiral data containing the information defined in the Location and Design Manual,<br />

Volume 3 - Highway Plans, Figures 1303-1 and 1303-2.<br />

• Station Equation values and coordinates.<br />

• All stations, distances, and coordinates shall be shown to three decimal places.<br />

• All bearings shall be shown to one tenth <strong>of</strong> one second.<br />

ODOT <strong>CADD</strong> <strong>Engineering</strong> <strong>Standards</strong> 95

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