Describe construction materials:
Individual concrete units, truncated four-sided pyramid-shape, 6-feet tall, 10-foot square base, with large holes in sides. These were called "WADs" for wave attentuation devices. Two rows of units were placed close together with an offset spacing between rows. 200-foot long segments with 40-foot open gaps. One 200-ft segment used shorter, different shaped WADs. Both ends of the breakwater were rock rip-rap.
Structure Monolithic or Layered:
Drop downs, or openings or overlaps?:
Was geotextile used in foundation?: