- Construction Date: November 2019 to January 2020
- Location: Manchester, NH
- Category: Soil Remediation
In September 2019 NSI constructed a series of cofferdams (18×43’, 30×30’ and 30×35’ each 18’deep) to permit excavation of gasoline contaminated soils from a closed station. The congested neighborhood and small site constrained operations to a series of separate installations to accomplish remediation.