Notwithstanding any other provision of the general statutes, no state agency, including, but not limited to, the Department of Energy and Environmental Protection and the Connecticut Siting Council within said department, shall consider or render a final decision for any applications relating to electric power line crossings, gas pipeline crossings or telecommunications crossings of Long Island Sound that have required or will require a certificate issued pursuant to section 16-50k or approval by the Federal Energy Regulatory Commission including, but not limited to, electrical power line, gas pipeline or telecommunications applications that are pending or received after June 3, 2002, for a period of three years after June 3, 2002. Such moratorium shall not apply to applications relating solely to the maintenance, repair or replacement necessary for repair of electrical power lines, gas pipelines or telecommunications facilities currently used to provide service to customers located on islands or peninsulas off the Connecticut coast or harbors, embayments, tidal rivers, streams or creeks. An applicant may seek a waiver of such moratorium by submitting a petition to the following: The chairpersons and ranking members of the joint standing committees of the General Assembly having cognizance of matters relating to energy and the environment, the chairman of the Connecticut Siting Council, the Commissioner of Energy and Environmental Protection, and any other state agency head with jurisdiction over the subject of the petition. Such persons may grant a petition for a waiver by unanimous consent. Nothing in this section or sections 25-157a to 25-157c, inclusive, shall be construed to affect the project in the corridor across Long Island Sound, from Norwalk to Northport, New York, to replace the existing electric cables that cross the sound.