Construction World

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Construction World February 2019ON THE COVER: With an extended range of new machines that come with a host of improved features for better efficiency, complemented by a relentless dealer expansion programme, new and existing SEM customers are guaranteed to start

earning more out of their machines.

The value equipment segment has grown by leaps and bounds during the past decade. The trend within the global construction market is for customers wanting machinery that costs less and capable to undertake less rugged jobs where premium machines are not essential.

 

IN THIS ISSUE:

A first for precast solutionsA first for precast solutions

On track to becoming South Africa’s second-largest retail development, the recent Fourways Mall expansion also represents a national ‘first’ for its use of a unique precast concrete solution for most of the concrete work. Construction materials leader AfriSam was the preferred cement provider.

As a key regional retail development northwest of Johannesburg, the 260 000 m2 Fourways Mall expansion boasts an impressive scale, with 24 016 precast concrete elements, 135 000 m3 of in-situ concrete and 11 000 tonnes or reinforcing steel. Main contractor Mota-Engil Construction SA (MECSA) has applied the precast system successfully in projects elsewhere in the world and was able to bring the concept home at Fourways Mall through an intensive skills transfer process.

Building Namibias biggest dam

Building Namibia’s biggest dam

Upon completion, the Neckartal Dam will be the largest dam in Namibia, with a full supply volume of 853 Mm³, exceeding the volume of the existing largest dam, Hardap Dam by a factor of nearly three. Projects of this magnitude need innovative construction technology in order to be executed successfully, Neckartal more so due to its desolate location in the arid climate of southern Namibia.

The dam is built in a deep valley, implying that the dam’s surface area is relatively small for the volume of water held, making it ideally positioned to reduce the effect of evaporation in the dry climate experienced in Namibia. The Neckartal Dam reservoir will have a surface area of approximately 42 km2, a perimeter of 295 km and full supply volume of 853 Mm³.

Once commissioned, the dam will contribute significantly to the sustainable economic development of the //Karas Region. The dam will yield water for irrigating farms for crop cultivation covering up to 1 960 ha during Phase 1 which may be extended up to 5 000 ha in the future, employing several hundred people in the process. Two turbines at the main dam will generate hydropower for the irrigation scheme, as demand requires.

Contact Construction World

Title: Editor
Name: Wilhelm du Plessis
Email: constr@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

Title: Advertising Manager
Name: Erna Oosthuizen
Email: ernao@crown.co.za
Phone: +27 11 622-4770
Fax: +27 11 615-6108

 
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