Specifications include, but are not limited to: Project consists of marine construction work and improvements to be performed on an on-call basis as needed and determined by the Department, including wharf demolition and removal work; furnishing concrete piles, concrete pile removals, concrete pile driving, and concrete wharf repair; furnishing and installing rubber marine fenders; dredging; riprap and quarry run work; shotcrete application; furnishing sheet steel piles and sheet steel pile driving; timber pile removals, furnishing timber piles, timber pile driving, timber wharf repair, timber pile wraps; polyurethane pressure grouting, wharf slope repair; earthwork, including geotextiles and geomembranes; excavating, characterizing and disposing of contaminated and hazardous soil; trench excavation and backfill, asphalt concrete paving; and other improvements.