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Modern earthworks, 12 May, ICE London. BGA meeting divided into three talks.

Alan Phear from Arup will discuss new railway earthworks for high speed railways - with particular reference to the Channel Tunnel Rail Link. He has been involved in the design and construction of earthworks for the 109km long twin track railway for seven years.

Jack Meldrum from Mott MacDonald looks at dam earthworks. The principal difference between earthworks for dams, compared to other structures, is water.There is the need for the structure both to retain water and for it to sustain exposure to water, both externally and internally.

He outlines the hazards involved.

John Ferguson from Balfour Beatty will discuss sustainable earthwork construction. He will look at how environmental legislation has had the greatest effect on modern earthworks, coupled with changes to modern design and build contracts and early contractor involvement.

Contact Gavin Bowyer, tel: 020 7665 2233;

email: gavin. bowyer@ice. org. uk [Need a pic of someone walking? ] (JOHN CLEESE? - ed) Geowalks has unveiled its programme of outings for the coming year. Tourists can opt for day, weekend or week trips throughout a (hopefully) sunny Scotland.

The company is run by Angus Miller who started the firm in 1998, and since then has been exploring the 'Earth's story' through guided walks, short courses and lectures.

Miller completed a PhD at Durham University, studying earthquakes at the Hengill volcano in Iceland. This led to work with the British Geological Survey, where he spent two years at the Montserrat Volcano Observatory monitoring the eruption at the Soufriere Hills volcano.

One of the day trips goes up Arthur's Seat in Edinburgh. Walkers can explore the old sandstone quarry, layers of ash and lava, and the remains of the volcanic vent, while taking in views of the Scottish capital.

Alternatively, in June visitors might want to experience the north west Highlands for a week which takes in some of Scotland's finest geology. For prices and booking details visit www. geowalks. co. uk + choice of pictures, see below. Credit:

Space Imaging] The list includes Iraq during Operation Iraqi Freedom, the Taj Mahal in India and Victoria Falls, Zimbabwe. The company also produces radar imaging and digital terrain models.



This 1m resolution image was collected by Space Imaging's IKONOS satellite on September 20 2003, and shows Bourtange near Groningen, The Netherlands.

The 17th century, star-shaped fortress is Europe's largest peat moor and was constructed during the Eighty Years' War. Satellite is being considered as a decision-support tool for mapping, monitoring and measuring changes to the delicate ecosystem surrounding the fortress.

Project value: £400M Contract stage: pre-tender Start:2005 Ref:97123037 Track renewals, Grays Network Rail Project value: £375M Contract stage: contract awarded Start: April 2004 Ref:4057069 Mixed development, London St Marys NHS Trust Project value: £360M Contract stage: contract awarded Start:2006 Ref:306212 4,000 Houses/regeneration, Sunderland Sunderland Housing Group Project value: £350M Contract stage: applications to tender Start: late 2004 Ref:2244879 Motorway extension, Glasgow Scottish Executive Project value: £350M Contract stage: pre-tender Start: winter 2005 Ref:442503 Mixed development, London Whipps Cross University Hospital Project value: £313M Contract stage: pre-tender Start: autumn 2005 Ref:99395157 4,500 homes, Swindon Taylor Woodrow Project value: £300M Contract stage: pre-tender Start:2005 Ref:2285122 Mixed development, London Marks & Spencer Project value: £300M Contract stage: pre-tender Start:2004 Ref:3411691 Urban development, Croydon Stanhope Project value: £300M Contract stage: pre-tender Start:2005 Ref:98217151 River crossing, Runcorn Halton Borough Council Project value: £250M Contract stage: pre-tender Start: summer 2005 Ref:97251650

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