Support of Excavation
Project Overview:
Support of excavation for a 20-foot-deep new foundation in Staten Island, constructed directly adjacent to an existing structure and near the Staten Island Railroad. The project required careful coordination, low-vibration drilled pile installation, and integrated bracing tied into the new foundation to protect surrounding structures. Successfully completed with MTA approval and no movement or damage to adjacent assets.
Project Highlights:
- Designed a low-vibration drilled pile system to protect adjacent structures and nearby MTA infrastructure
- Engineered integrated bracing tied into the new foundation, eliminating the need for temporary systems
- Maintained full structural stability of the existing building during a 20-foot-deep excavation
- Coordinated with MTA and secured adjacency approval with no impact to railroad operations
- Completed construction with zero settlement or movement to surrounding structures
Project Experience:
This project demonstrates strong expertise in complex support of excavation under high-risk conditions. The work required precise engineering and coordination to protect an existing structure and nearby MTA infrastructure during a 20-foot-deep excavation.
Through careful design, low-vibration installation methods, and integration of permanent structural bracing into the new foundation, the team successfully eliminated risk to adjacent assets. Close coordination with the MTA and project stakeholders ensured full compliance and approval, resulting in a smooth execution with no settlement, movement, or structural impact.
Project Overcome:
The project was completed successfully with all excavation and support systems performing as designed. The existing structure and nearby MTA infrastructure remained fully stable, with no settlement or movement. The result is a safely executed deep foundation system that seamlessly integrates with the existing building as part of the overall development.
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