Download FINAL APPENDIX A WITH PICTURES C REVISED

Column 1 - A listing of pier numbers beginning with the pier closest to the left abutment
looking downstream (already listed).
Column 2 - The Pier ID number depicted on the plans
Column 3 - The elevation of the bottom of the scour hole at the pier. This needs to be the
elevation of the total scour depth - the sum of local scour plus contraction
scour + degradation.
Column 4- Distance from the left abutment face to the centerline of the pier.
1
For the special case of a spill-through slope at which the water edge is at the
spill-through slope instead of the abutment face, one more piece of information
needs to be input into the cell at the top of the card: Distance from the water‟s
edge to the left abutment face. This step locates the left abutment with regard to
the edge of water. All measurements are made from the left abutment face.
Figure 2-14 Pier Data Card
G.
STEP 7 ACTUAL SECTIONS
The Actual Sections menu allows the user to import HEC-RAS cross-sections into the
ABSCOUR program and to superimpose the HEC-RAS (Actual) Sections on the
ABSCOUR (Computed) Sections. This option can be exercised for both the
APRIL 2011
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