This contract(s) will require the ability to manage multiple task orders concurrently across the identified AOR. Construction projects to be performed under this MACC will primarily be repair, replacement, demolition, new construction, alteration, and/or improvement of waterfront projects utilizing the design-bid-build (DBB) construction strategy. Types of waterfront projects that include one or more of the following elements: piers; wharves; quay walls; dry docks; bulkheads; crane rail systems; fender systems; berthing and mooring; and waterfront related utilities (e.g., steam; low pressure compressed air; fresh water; salt water; sanitary sewer; oily waste water collection; high voltage to low voltage electrical; and fire protection systems) and required staging and performing construction in or over open tidal waters from barges and/or other floating or affixed work platforms. The selected contractor(s) will be responsible for all labor, supervision, engineering, design, materials, equipment, tools, parts, supplies, and transportation to perform all of the services described in the drawings and specifications provided for each individual project.