AARSLEFF PILING has just completed piling for the foundations and underground basement car park of an apartment block next to the Sandown racecourse at Esher in Surrey.
Each of the 11 apartments in the three-storey block has an cantilevered balcony overlooking the racecourse.
The scheme is being constructed by contractor Heritage Construction with in-house developer, Stephen Howard Homes.
Aarsleff won the £167,000 contract for the combined steel sheet cofferdam and the structure's main foundation load-bearing precast concrete piles.
The subcontractor worked closely with engineer Simpson Associates on refining the pile design, which meant it was able to use the same Banut 700 rig to install both the steel sheet and precast piles.
Aarsleff initially installed the permanent totally closed cofferdam with 18 closed corners and 220 Larssen 603 and 604 section piles. The piles, ranging in length from 8m to 11m, toe into the underlying clay.
On completion, Aarsleff simply changed the driving cap to install the 128 fully reinforced precast concrete piles, made by its subsidiary Centrum Pile. These range in length from 12m to 17m. Most were 250mm 2, although there were also 16 with a 300mm 2 section to provide support for a tower crane.
The properties should be available for occupation in November.