The contract involves the replacement of the underground gas and diesel storage tanks and fuel systems at the northbound travel plaza in Gray, Maine. The work includes the removal and replacement of the existing tanks, as well as the installation of temporary gas and diesel dispensers using owner-supplied aboveground storage tanks. The contract also includes associated electrical, mechanical, drainage, site work, maintenance of traffic, and other work incidental to the project. The contractor is responsible for designing and installing the entire fuel storage and dispensing systems, including the removal of existing structures and utilities. The contract requires the contractor to submit various plans, including a Spill Prevention and Clean-up Plan, an Oily Water and Waste Fuel Disposal Plan, and a Health and Safety Plan. The contractor must also comply with applicable federal, state, and local regulations, including those related to environmental protection and worker safety.