Specifications include, but are not limited to: Remove existing pipe and install 84” pccmp. County will provide pipe. Form and pour concrete toe walls half the diameter of the pipe at inlet and outlet end. Minimum of 8-inch graded stone bed under pipe. The pipe shall be anchored to the concrete wall. Type 1 riprap minimum or grater with filter fabric at outlet end of pipe to prevent scouring, a minimum of 36” in depth by 8’0” in length and stream bank to stream bank. Compact backfill material to existing road elevation. (see GDOT construction details D-55B for example) Grassing of the disturbed area. The contractor is responsible for utility location and damages incurred. A photo record of the work will be provided to the county. (stone bed, concrete wall, compaction of backfill, and riprap)
