a3d a creative legacy: balfour beatty handout

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This document was produced by Balfour Beatty in relation to the building of the A3 Hindhead Tunnel for the school group focusing on the theme of the engineering works. For more information about the A3D A Creative Legacy project see http://a3dhindhead.tumblr.com/

TRANSCRIPT

Building the A3 Hindhead Tunnel

by Balfour Beatty

Why was the tunnel built?

Reduce traffic jams

Minimise accidents

Make Hindhead village quieter

and safer

A3 Hindhead Presentation 2012

Then and now

A3 Hindhead Presentation 2012

April 2007

July 2010

Then and now

A3 Hindhead Presentation 2012

Before

During

Then and now

A3 Hindhead Presentation 2012

After

Giving the A3 back to nature

A3 Hindhead Presentation 2012

No more tarmac

Removing the tarmac

What did Balfour Beatty think about before building the tunnel?

A3 Hindhead Presentation 2012

Wildlife!

What sort of wildlife do you think we found?

Designing the tunnel

A3 Hindhead Presentation 2012

Started in 2002

Designing the tunnel

A3 Hindhead Presentation 2012

Clearing the land

A3 Hindhead Presentation 2012

Started in 2007

Digging the tunnel and building underpasses

A3 Hindhead Presentation 2012

Started in 2008

The tunnel breakthrough

A3 Hindhead Presentation 2012

February 2009

Building junctions and bridges

A3 Hindhead Presentation 2012

Started in 2009

Soil nails to hold back the earth

The finishing touches

A3 Hindhead Presentation 2012

Started in 2010

The tunnel opened in July 2011

A3 Hindhead Presentation 2012

• Thetunnelcost£371milliontobuild

• Thetunnelis1.8kmlong,that’sthesameas15footballpitches

• 856newroadsignshavebeeninstalled

• 1243potsofpaintwereusedtopaintthetunnel

• 4,752peoplehaveworkedonthescheme

• 179reptilesweremovedtoaplaceofsafety,awayfromthebuildingworks

• 7dormousebridgeswerebuilt

• Someofthetreesremovedduringsiteclearancewereusedtomakemastsforsailingboats

• 200,000newtreesandshrubshavebeenplanted

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