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Investigation and Remediation, Middletown, CT
HRP completed a Phase III Subsurface Investigation, developed and implemented Remedial Action Plans for this large site which included demolition of 22 institutional structures including a power plant. We completed construction plans, cost estimates, related environmental construction plans and oversight protocol, all of which was designed to facilitate future use of the property. HRP is also directly involved in coordination of site environmental activities, cost control and documentation and stakeholder management.
The site was historically operated as a training school/reformatory for troubled youth from circa 1869 until 2003. The school operated a farm from its inception through the 1970s. The main campus consisted of approximately 25 buildings located east of Long Lane. These buildings included 11 dormitories, an infirmary, a school building, a maintenance garage, a maintenance office, a boiler house, an administration building, a 58-bed secured facility, and a variety of additional ancillary and out buildings. Also, two buildings are present on the west side of Long Lane. The historical site operations resulted in identification of over 55 areas of environmental concern (AOCs). Primary site contaminants include approximately 45,000-yards of metals contaminated coal ash, coal ash impacted soils, and pesticide-impacted soils (e.g. DDT).
Key project components have included ground water reclassification from GA to GB, which resulted in dramatically reduced remediation cost. Also, at the location of on of the former buildings, an outdoor artificial turf-field was completed and involved direct coordination between environmental remediation and traditional site-civil construction activities. Brownstone recovered from site building foundations was be cleaned of ash and pesticide residue and reused for construction of sign bases and other landscaping to further reduce remediation costs. We are currently conducting Remedial Actions to address pesticide-impacted soils in the agricultural portions of the campus. Expedited soil remediation in the student-run vegetable garden was completed in 2013. The remainder of agricultural soils with pesticide impacts will be addressed through a soil mixing plan, dramatically reducing costs and eliminating off-site disposal of a state-identified natural resource.