What is the height of the levee and wall together on Beach Park Blvd., and on which side of the pathway is it?

The overall height of the levee and wall along Beach Park Boulevard from Bridgeview Park to Shorebird Park is on average -6 feet higher than the previous elevation; however, the height of the wall from the walking surface is only about 3.5 feet. The wall is  on the bay side of the pathway.