2012-07-25 SEQR Findings Statement

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• • There will be several•storage tanks on-site,including a 1,000,000 gallon raw water storage tank,used to supply the facility's water needs and for fire protection;a 250,000 gallon demineralized water storage tank;and two 30,000 gallon aqueous ammonia storage tanks.A secondary safety containment area,designed to hold 1.10 percent of the entire volume of the tanks, will be provided around theammonia storage tanks,consistent with New York State requirements. There also will be on-site storage of small quantities of ultra-low sulfur diesel (ULSD)fuel and lubricating oils.ULSD storage will:be limited to the firepump's integrated 650 gallon fuel tank and the four emergency.black start generators; each with an integrated 1,000 gallon fuel tank. As required;all tanks,equipment:and vessels containing ULSD fuel and/or lubricating oils will be.located:inside a concrete safety containment; sump or curbed dike area for spill control and management. There will be two utility interconnections at the,facility.The electricity generated from the facility will be transmitted via a 700 foot on-site-overhead interconnect to the existing Consolidated.Edison Company of New York(ConEd)345.kilovolt electric transmission line located north of the Project Development Area. A new switchyard and substation,incorporating gas-insulated switchgear to minimizefootprint requirements,will be built at the facility.Natural gas will be the sole fuel used for the CTGs.and auxiliary boiler facility,transported via a new 500 foot, 12 inch gas pipeline from the Iroquois pipeline,just north of the Project Development Area. Location. The project is Located atthe former Mica Products industrial site at 2241 NYS Route 22 in the Town of:Dover,Dutchess County.The property totals approximately 193 acres, including 79 acres(west of the Metro-North rail'line)within the Great Swamp Critical Environmental Area; a 57-acre Project Development Area east of the railroad line;and.an additional57 acres of industrial land to the south,formerly leased.to Rasco Materials LLC(13 acres of which will be temporarily used during project construction).This property:isbounded by NYS Route 22 to the east to the south by residential properties; to the west by the Swamp River;and to the north by an existing ConEd electric transmissionright-ofway.The project also'includes a temporary 38.8-acre construction worker parking and laydownsite located approximately 2.5 miles north of the Project Development Area.(See Attachment# I.,Ciirrent'Project Property,and Attachment# 2, Remote Laydown Site): [2]