Power curbers, a small US-based construction equipment manufacturer, recently received the prestigious Bloomberg's Business Week Spotlight Award. This award is given to individuals or a company that exemplify the ideal of acting on evolving trends for competitive advantage. In just two short years, Power Curbers increased its annual sales dramatically. By the end of 2009, 75% of this manufacturer's sales came from 80 countries around the world, up from 25% in 2007.
A proper assessment of soil stability at a project site requires an accurate characterisation of the soils, groundwater, and site conditions. Because of layering, fissuring and constantly changing moisture content, soils almost never have uniform properties. Published soil survey reports and soil scientists can be helpful in identifying local soil and groundwater conditions but cannot provide a definitive basis for decisions. Properly trained contractors and engineers can use soil information to design and install protective measures, such as shoring, installing trench boxes, and properly sloping the excavations.
In the March issue of IMIESA we reviewed Tecroveer's Lonmin Wonderkop Wastewater Treatment Works. In this issue we look at, in a little more depth, the issue of measuring dissolved oxygen in a BNR system.
Street cleaning is a critically important issue, particularly with the World Cup around the corner. In the third of this four-part series, Chris Munro takes a look at the issue of cleaning our streets.
Entrepreneur, Matthew Hlope, of Mazupa Trading, has a 25-year history in the excavator rental market. Having worked his way up the ranks, initially as an excavator operator to plant coordinator within a well-known KZN excavator hire company, his intimate knowledge of the mechanical and operational side of excavators is extensive.