Wood Wharf – G3 Basement Cofferdam

Scope of works

G3 is a 28-storey Build-to-Rent building within the Wood Wharf masterplan on a brownfield site adjacent to Canary Wharf.

Kilnbridge were contracted to deliver the following scope:

• Unexploded Ordnance (UXO) magnetometer testing using 20 tonne track-truck Cone Penetration Testing (CPT) unit
• Construction of a sheet pile cofferdam using 11.5m long PU18-1 piles across 160m total length
• Installation of steel wailer beams
• Installation of ground anchors (21 in total)
• Support of existing historic dock wall with temporary works
• Excavation to 6m depth and disposal of 4,500m³ of arisings.

Kilnbridge successfully managed LUL interfaces as well as all live construction traffic during the works.

Challenges / Achievements

• Extremely challenging 12-week programme completed ahead of finish date
• In-house design of all elements of the cofferdam from client’s concept drawings
• Successfully coordinated and managed specialist subcontractors to meet programme