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Contractors World UK & Ireland Vol 6 No 1

23

is supplied for installation.

Additionally, each pile cage has a complex

internal cage structure including tightly

pitched helical and additional 40 mm rebar

to withstand the forces being applied to the

piles from the overlying structure.

All of the pile fabrication solutions were

trialled within the manufacturing plant to

ensure compliance with the specifications

and a safe and quality product was manu-

factured. Both Aarsleff and Centrum ensured

a transparent approach was adopted from

the outset and invited the client to witness

the factory and supported full production

surveillance.

Specifically, the works will include installing 174 piles

20m long and 350 mm square piles at Ditton, foundations

for a bridge. There will be 244 piles each 21 m in length

and 350 mm square at Victoria, which forms the foun-

dations for the approach viaduct to the new Mersey

Bridge.

Piling will be carried out using the company’s own

Junttan PM20s complete with high performance 7 t and

a 5 t hammer.

Speaking about the scheme, Stephen Black, Aarsleff’s

on-site Project Manager for the Merseylink development

said:

“This is an exciting infrastructure project and

the first major highways project Aarsleff has

been involved with and where there has been

the provision of a dedicated resident Project

Manager in recent years.

“The use of raked precast engineered piles

overcame some of the many variable challenges

associated with the project, ranging from space

restrictions through to contaminated ground.

The challenging complexity of the scheme de-

manded a solutions-based approach working

closely with the client and client’s designer. “

The project construction works are being delivered

by a construction joint venture between FCC Construction

S.A., Samsung C&T ECUK Limited and Kier Infrastructure

and Overseas Limited, and is a continuation of works,

in which Aarsleff has been involved, with future works

expected to follow.

[cw]

Contractors World UK & Ireland

Newest World Heritage Site

Bathed In Fog And Sun

Network Rail chairman, Sir Peter Hendy, was given a rare

treat during a recent visit to Scotland, when he visited

the UK’s newest world heritage site, The Forth Bridge.

Despite the base of the bridge being shrouded in a

familiar north sea haar, Sir Peter himself

managed to take this pictures from the

bridge’s viewing platform at the top of the

Fife Tower in North Queensferry.

The top of the 110 m high bridge was

bathed in bright sunshine, providing rare

views of the upper sections of the bridge

emerging from the fog.

Sir Peter said:

“The sight was absolutely

breathtaking.”

Network Rail are currently developing

designs for a potential visitor centre at

the Forth Bridge, with a visitor hoist

planned at the north end and a bridge

walk proposed from South Queensferry.

[END]