520 Park Avenue
This 54-story condominium tower was constructed on a 60-foot wide lot only 100-feet long adjacent to two five-story masonry structures, a NYC subway, and a high rise tower. The tower cantilevers over a 5-story building, introducing complex foundation needs. MRCE performed a subsurface investigation, recommended foundation details to the structural engineer, and designed underpinning of adjacent structures to enable excavation 70 feet deep, more than 20 feet below the water table. MRCE provided construction inspection services for NYC DOB special inspections requirements.