Specialist Foundation Engineering for Egypt’s Infrastructure Featured

Bauer Egypt recently commenced specialist foundation engineering work on phase 3 of the Cairo Metro – in the photo: Nasser Station. Source: © Bauer AG Bauer Egypt recently commenced specialist foundation engineering work on phase 3 of the Cairo Metro – in the photo: Nasser Station. Source: © Bauer AG


The story of Bauer Egypt S.A.E., the third oldest overseas subsidiary of Bauer Spezialtiefbau GmbH, is a true success story. The company has been involved in the construction of numerous bridges on the Nile, the first-ever bridge over the Suez Canal and several barrages. The subsidiary’s long list of past and present projects also includes many inner-city specialist foundation engineering projects – often in Cairo, where the company with its almost 1,500 employees has its headquarters.

Bauer Egypt was founded in 1981. After a rather difficult build up phase in the 1980s the construction market grew and Bauer Egypt’s revenue multiplied within a few years. However, Bauer Egypt has faced numerous challenges in the last ten years in particular, such as the international economic and financial crisis of 2008/2009 and the Arab Spring in 2011; in fact, a diaphragm wall and injection construction site was in Tahrir Square, the focal point of the demonstrations. Moreover, continuing inflation and the devaluation of the Egyptian currency had a negative impact. Despite all these difficulties, all permanent employees were retained, says Managing Director Mohamed Mostafa proudly.

Bauer Egypt is currently involved in several projects, including some very prestigious ones. One of them is the construction of two new tunnels below the expanded Suez Canal east of the city of Ismailia. As early as 2015/2016, Bauer constructed 120,000 m² of diaphragm wall up to a depth of 50 m for the future tunnel entrances and exits, as well as about 1,250 m² of soft gel blanket covering. Four diaphragm wall shafts with a depth of up to 85 m and a diameter of 21 m were constructed for the ventilation system of the new road tunnels. Among other equipment, two BC 40 trench cutters were used, one on an MC 128 and the other on an MC 96 duty-cycle crane, as well as two BG 28 drilling rigs with mast extensions for the execution of the soft-gel blanket. Bauer Egypt commenced the ground freezing work required for the construction of four cross passages between the two nearly 6-km-long road tunnels under the Suez Canal.
For the past several years, the company has also been involved in another large-scale infrastructure project – the extension of the Cairo metro – which is expected to significantly ease traffic in the metropolis of Cairo. The metro carries around 3.5 million passengers every day. Lines 1 and 2 were built between 1985 and 2002 without the involvement of Bauer. When construction of line 3 started in 2008 – the construction being divided into several phases – an increasing number of cutters from Bauer were used to construct the walls of the underground stations: in phase 1, Bauer Egypt cut the diaphragm walls for four of the five stations; in phase 2, all four station walls were executed by Bauer; for phase 4, which was moved forward, the company once again executed the diaphragm walls for all four stations from 2014 to 2017.

In September 2017, Bauer Egypt finally started the specialist foundation engineering work for Phase 3, which will run below the Nile and includes six underground stops. A 250,000 m² diaphragm wall with a depth up to of 83 m and about 180,000 m³ of underground sealing are to be constructed for this purpose. Four trench cutters BC 40 and one BC 30 cutter unit mounted on Bauer MC 128 and MC 96 duty-cycle cranes are being used. The underground sealing element will be executed using five BG 28 drilling rigs with extended masts for drilling up to 83 m. This work is expected to be completed in April 2019.

Source: Bauer Group

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