This week further excavation of the north embankment cut-off wall exposed additional deterioration. Excavation, moving in a northerly direction on both sides of the wall, was completed one section at a time. This was done so not to expose too much of the wall at once, jeopardizing its integrity. It was apparent that some of the damage to the wall was caused by extensive root systems penetrating the concrete from the downslope side. Large trees on the downslope side of the embankment were removed in the fall of 2013 as part of the Upper Saranc Foundation’s maintenance plan for this very reason.
Areas of deterioration were patched with concrete. An additional two cubic yards of concrete were poured, making the total of 32 cubic yards or 129,803 pounds of concrete added for this project. Crusher-run was placed and packed on the downstream side of the north cutoff wall. Each section was filled to an approximate depth of 12 feet depth, and extending 10 feet away from the cutoff wall.
Video of the work can be found at the following link: https://youtu.be/5-XMW7_H7ww.
Restoration of the work site began by removing the stabilizing sheet pilings and the temporary sand bag coffer dam. The downstream side of the embankment was covered with fill and top soil. The area was seeded and blanketed with straw to protect from erosion.
A delineator (row of 6 x 6’s) was installed at the crest of the embankment over the top of the cut-of wall. Beach sand was trucked in to re-establish the Bartlett Carry Club beach on the upstream side or lake side of the delineator. The temporary access road was removed and woodchips brought in to re-establish the path to the beach. The Bartlett Carry Club Parking lot, used as a staging area, was also restored.
Excavation of the cut-off wall exposed deterioration caused by root systems penetrating the concrete from the downslope side.
Areas of deterioration were patched with concrete and crusher-run was placed and packed on the downstream side of the north cutoff wall.
The downstream side of the embankment was covered with fill and top soil. The area was seeded and blanketed with straw to protect from erosion.
Beach sand was trucked in to re-establish the Bartlett Carry Club beach
The temporary access road was removed and woodchips brought in to re-establish the path to the beach.
Onsite restoration complete for the north embankment