Monument Rehabilitation at Piedmont Dam

in place new monument base and re-install restored information plaque. The contractor shall excavate designated area as per Attachment 2. All excavated material shall be set aside for finish grading after pad and monument are complete. The area of excavation for the 20 x 20 pad as per Attachment 3

be deep enough to allow for a 6-inch thick 20 ft by 20 ft concrete pad to have a minimum of 5 inches of concrete below the ground level and 1 inch extending beyond ground level. The contractor shall place 3 inches of 304 aggregate under the