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In the US state of Oklahoma, Silver Star Construction has adopted 3D technology for site modelling and stringless machine control The company, based in the town of Moore, recently used a Topcon Millimeter GPS system mounted on one of their Power Curber 5700-Cs to put down nearly 5,500m of curb and gutter in a residential housing addition in south-west Oklahoma City. Once the dirt work and grading was completed, the concrete crew got to work by mounting the Topcon receivers on their 5700-C. The Topcon

A Rammer 5011 rock breaker has been successfully used to break extremely hard granite on a Kuala Lumpur development. The excavation and site preparation for a development project in Taman Connaught, Cheras, in Kaula Lumpur’s south-eastern suburbs was recently undertaken by local civil engineering contractor, Crescendo Infra Sdn Bhd on behalf of a local developer. In order to deal with the extremely hard granite that was found in the locale, it was initially planned to bring in a blasting contractor to help

Winter was coming in the northern US state of Illinois and Sangamo Construction had to build 1.5km of bridge parapets just before the end of the construction season. Sangamo Construction was contracted to work on five bridges where some parapets needed to be 1m high x 48cm thick at the bottom, tapering to a width of just under 27cm at the top, and with a perpendicular rear wall. As much as 26m3 of concrete were processed just for the construction of the four 150m-long parapets on the twin bridges on Interst

Warsaw’s General Stefan Rowecki Bridge, or the Grota Bridge, is the second largest in the Polish capital and, as part of the Trasa Toruska expressway, it is the busiest. The structure, which opened in 1981, handles 150,000 cars daily, so repairs were always going to be tricky if minimal disruption to traffic was to occur. The steel orthotropic deck consists of two structurally independent parts – each with four traffic lanes. This meant that pedestrians and cyclists were restricted to two very narrow track

Key developments in the tyre market will allow certain firms to reposition themselves - Mike Woof writes. New tyre types are now coming to market, while key business developments will allow some firms to reposition themselves. Perhaps the biggest business development in the market is the deal to acquire the privately-owned Czech firm CGS Holding by Trelleborg in a move worth €1.1664 billion (SEK10.9 billion). The finalisation of the deal is subject to approvals from the competition authorities but should be

The diesel engine manufacturers are continuing their development of low emission engines as well as solutions for markets where fuel quality is an issue - Mike Woof writes. Developments in diesel engine technology are the continued focus for manufacturers facing tough challenges around the world. New low emission engines are being developed for developed markets such as Europe and the US, with Europe now taking a further step ahead to target pollutants from the tailpipe. Meanwhile firms are also looking int