Brokk Demolition - Crane Base Removal at Westminster Plaza London
Requirements
- Controlled demolition deconstruction of 2 concrete crane bases and their supporting piles.
- Bases 2m high and 4m².
- Total of 8 supporting columns 9m tall and 1.2m² running 2 floors below ground level.
- Bases and piles made from reinforced concrete.
- Deconstruction without disruption to adjacent utility pipes and cables.
- Restricted access to bases and piles.
- Time limit of 10 working days to remove each base and associated supporting piles.
Solutions
- Deployment of 4 electrically powered, remotely operated Brokk demolition robots equipped with rapid-fire concrete hammers.
- Concrete broken out using Brokk robots and residual steel cut free with gas axe.
- Use of hydraulically driven wire saw to cut supporting piles into sections and lift from subterranean levels before deconstruction.
- Material sorted and removed from work area using skid-steer loader.
- Equipment tested and positioned prior to work commencing.
- Water-based dust suppression equipment used during deconstruction of structures.
Key Benefits
Environmental
- Use of zero-emission machines to prevent carbon monoxide contamination of operating area.
- Equipment operated remotely negating operative hand and arm vibration issues.
- Debris sorted on site and removed to be recycled.
Financial
- Operations utilised minimal space allowing development to continue with negligible disruption.
- Project completed on budget.
- Specialist equipment owned and operated by Castle and Pryor ensuring fixed costs and qualified, experienced operators.
- Rapid-fire hammers faster at breaking concrete sections compared to traditional methods, thus expedites process and reducing costs.
Time.
- Completed within time frame allocated.