Monaca, PA

Bridgewater Crossing

Larson Design Group (LDG) provided Survey, Geotechnical Engineering, Civil Engineering, and Construction Quality Assurance for a 3 building, 6-story, multifamily residential development at the confluence of the Beaver and Ohio Rivers. The site was historically utilized as storage for nearby industrial properties. In the distant past, fill soils had been shoved over the river bank to widen the parcel. More recently, fill operations had been done to stabilize the surface soils and bring the parcel out of the floodplain. A subsurface investigation revealed poor soil conditions for support of the planned structures, with fill and alluvial soils extending to depths of about eighty feet. Deep foundation recommendations were provided and several soil improvement methods were discussed. Ultimately vibro-stone columns were chosen to improve the subsurface soils and support the buildings. Removal and replacement of portions of the soft/loose old fill were deemed prudent to support floor slabs within the buildings./

The design of the project was performed on an accelerated schedule in order to meet the client’s desired construction schedule.

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