Key elements of work executed by Norfolk Marine:
Debris removal
Post dredge survey of clay seabed
Installation of geotextile
Laying of 30/60mm gravel bed to tolerance of 50mm using hydraulic screed frame
Placement of 5000 precast concrete blocks with crawler cranes.
Installation of temporary and permanent scour protection
Installation of 19m long 916mm dia. steel tubular piles
9 number 700m3 underwater pours of concrete
Pitching, temporary support and grouting of roundhead precast columns
Placing and pump filling with concrete fabric formwork sheer key and retaining bags