October 2007
Caterpillar's work tool range and quick coupling systems transform Cat's compact construction machines, like skid steers, into highly versatile multi-taskers. See pages 18 & 19
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Features
Liens: Can a subcontractor acquire a lien over property without a contract with the owner?
Martin Muller, a specialist in construction law at Edward Nathan Sonnenbergs Attorneys in Johannesburg, considers issues surrounding the builder's lien
Biogas catalyst goes live in Mossel Bay
October marks a significant milestone for South African sustainability as the country's first Independent Power Plant funded by Clean Development Mechanism carbon credits gets underway. The 4,2 MW biogas to electricity project in Mossel Bay comprises a number of stakeholders which include global engineering firm, WSP Group
Africa's toxic rubbish tips: a Kenyan example
In Nairobi, a cycle of poverty and death is being perpetuated at the city's Dandora Municipal Dumping Site as slum dwellers scavenge for food and saleable items, and in the process succumb to life-threatening diseases brought about by indiscriminate dumping of contaminated waste. A UNEP report considers interventions
Shaft developments. Precast brattice walls speed up construction
A specialist brattice wall beam design developed by Concrete Manufacturers Association member, Infraset Infrastructure Products, has been successfully used in the construction of a number of new mining shafts for Sasol Coal, with the technology rapidly speeding up construction when compared to conventional in-site concreting techniques
Crossing the Danube
Using PERI's self-climbing technology, the 100m high pylons for the new MO North Danube Bridge in Budapest, Hungary, are being safely and accurately constructed
The perfect slope: beach protection measures in Umdloti
A soft engineering approach using in-site materials to rehabilitate Durban's Umdloti Beach has created a structure that blends in perfectly with its environment. A key component of the construction works is the use of environmentally engineered systems from Maccaferri
Piling Botswana's Tlokweng bridge
With the foundations constructed to specification by geotechnical contractor, Dura Soletanche Bachy, work is now well advanced on the construction of Botswana's Tlokweng bridge, which is expected to open to traffic towards the end of 2008
Manitou reaches for the moon
Manitou's Budapest 2007 ""Reach for the Moon"" global customer and media event in September provided the perfect platform for the unveiling of the MT Privilege range. Construction World files the report
Volvo's biofuels vision will transform trucking
As the first truck manufacturer in the world to unveil seven trucks each tailored to run on a non-fossil fuel, Volvo is leading the market in its quest to create 'green' alternatives
Gautrain tunnel segment stockpile keeps growing
Southern Pipeline Contractors is making sure that its contract for the fabrication of some 12 000 concrete segments will be ready on demand as the Bombela Consortium progresses with its tunnelling programme for the Gautrain project
