The following are examples of projects that have been completed by American Marine Constructors, Inc.   Chicago Shoreline Repair Project: I-55 to 30th Street Repair of approximately 1,900 feet of existing promenade and revetment stairs and construction of an additional 1,400 feet of steel sheet pile shoreline revetment wall, backfilled and capped with concrete promenade and revetment stairs. Project included 58,200 square feet of steel sheet pile tied back with 22,700 lineal feet of battered and vertical H-Pile; 54,423 tons of underwater toe stone ranging in size up to 10 tons per stone; 59,000 tons of other fill stone and 12,100 cubic yards of reinforced concrete.   Bay Harbor Development, Bay Harbor, Michigan Project was conversion of a quarry to a lake and harbor including related rough grading and site work. Included construction of a breakwall with 60,000 tons of stone with sizes up to 11 tons; subaqueous drilling, blasting and excavating 800 lineal feet of channel; drilling, blasting and excavating 1,000,000 cubic yards of rock material around lake, construction of two steel sheet pile piers 250 feet long with a third of 60 feet. Project was completed 5 months ahead of schedule.   Lordship Point, Stratford, Connecticut Project required the remediation of soils and sediments to remove lead shot and target fragments (PNA's)at a former gun club in Long Island Sound. The first phase required the design, fabrication, and full-scale production of a process plant to demonstrate that the cleanup standards were met. This was followed by the mechanical excavation/dredging, processing the materials, and hydraulically backfilling the cleaned materials on a continuous basis to their point of origin. A total of 600,000 pounds of lead shot was successfully removed from 77,000 cubic yards of processed material.   79th Street South Water Purification Plant, Chicago, Illinois Rework and repair the 2,660 foot long detached breakwall protecting the City of Chicago's South Water Purfication Plant. Project required marine transport and placement of approximately 208,000 tons of stone, including 157,000 tons of armor stone with sizes of up to 20 tons each.   Buffington Harbor, Indiana Project was for construction of an inner harbor with casino vessel mooring facilities. American Marine joint ventured with Great Lakes Dredge and Dock Company with American Marine as joint venture sponsor and project manager. Work consisted of building two 700 foot long stone and steel sheet pile breakwalls, eight 40 foot diameter circular steel sheet pile cells, mooring structures, and shoreline revetment over the winter season. Work included transport and placement of 115,000 tons of breakwall stone, 87,000 square feet of steel sheet pile, 40,000 cubic yards of cell fill, and 5,000 cubic yards of concrete. Project was substantially completed in five months.