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Wingwalls/Headwalls Wingwalls can be either "full-height" (i.e. the top elevations are higher than that of the TAculvert), or "partial- height" (i.e. the top elevations are lower than that of the box culvert. In the latter case, the headwall will not be shown.
The Elevation View For the purpose of clarity, the "developed views" of all wingwalls (i.e. rotated to 90 degrees with respect to the culvert centerline) are used to show the reinforcing details. If you disagree with the "suggested" reinforcing pattern, go ahead and modify it.
The Sectional View The same "shear key" dimensions for the culvert footers will be used for the wingwalls, for sliding prevention and scour protection.
The Re-bar Call-outs If they differ from what are adopted by your Client Agency, go ahead and modify them.
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Work Points Expressed in station and offset with respect to the centerline of the roadway above the structure. They used to determine the culvert centerline and the location of the culvert footers.
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Flowline Elevation Data Just enter the elevations of the inlet and outlet determined from hydraulic analysis.
Structure Skew Defined as the angle (in degree-minutes-seconds) between the normal of the roadway centerline and the culvert centerline at the intersecting point.
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