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US Environmental Protection Agency



MAG910000, this letter submits a Notice of Intent (NOI) and the applicable documentation as required by the US Environmental Protection Agency (EPA) for temporary construction site dewatering under the RGP. Temporary dewatering is planned in support of the anticipation of the proposed construction of a 4-story residential building with 1 level of below-grade parking located at 45 First Avenue in Charlestown, Massachusetts as shown on Figure 1 – Project Locus. The site is located on First Avenue in close proximity to the Boston Harbor. Site grades range from approximately El. 18 to 17 ft Boston City Base datum (BCB). The site is currently occupied by an open gravel lot, occasionally used for vehicle parking. A Site and Subsurface Exploration Location Plan is included as Figure 2. The current property owner is the Raymond Property Company, LLC and proposed site development includes construction of a 4-story residential building with 1 level of below-grade parking. We anticipate construction dewatering will be conducted, as necessary, during foundation construction and below grade excavations. Site History Available records indicate the site was formerly occupied by building(s) used by the Navy from as early as 1800, with the last building being demolished in 1978. The buildings were used by the Department of the Navy for various purposes including a sail loft, offices, a prison, a storehouse and armory. The Navy reportedly installed three 7,500-gallon gasoline underground storage tanks and associated pumps in the northeast corner of the subject site in the early 1940’s. Previous reports indicate the USTs wer

Year: 2011
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