Royal Victoria Hospital, Health Estates
FKL completed the design and installation of the retention system and bearing piles for the £100million 13-storey Critical Care building at the Royal Victoria Hospital (Phase 2B).
The building, which includes a two storey basement, is being constructed on a brown field site adjacent to the existing accident and emergency department and outpatient facilities so all steps were taken to minimise disruption and monitor environmental impact.
Basement excavation was 13.5 metres deep, with up to 11.5 metres of sandstone excavated with two Dolerite Dykes protruding through the site.
The scheme included:
- Installation of guidewall: 260 linear metres of retaining wall 8.5 metres retained height
- CFA & rotary contiguous piling: 274no 600mm diameter
- CFA piles for contiguous retaining wall
- CFA secant piling: 201no 600mm diameter CFA piles for secant retaining wall
- Ground anchors on 2 levels including temporary, permanent and removable anchors
- Main contract: 643no 600mm diameter bearing piles to carry 1600kN from reduced dig level within the retained structure (CFA, Rotary and DTHH)
- Rock bolting and shotcreting
- Monitoring wall using inclinometers and load cells
- Extensive pile testing
FKL was awarded an additional phase to install the retaining walls and bearing piles for the WACH tunnel, to join this building to the proposed Women’s and Children’s Hospital (WACH).
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