Author:Wall, K; Watermeyer, R; Pirie, GDate:Sep 2013SUPPLY CHAIN management (SCM) regulations for public sector procurement of goods and services have greatly improved the transparency of procurement procedures, increased the opportunities for alternative suppliers and reduced the potential ...Read more
Author:Schutte, PCDate:Jun 2009There have been several high-profile accidents in industry where fatigue was identified as either causal or contributory. The risk of fatigue is inherent in any worktime arrangement involving shift work, long hours of work, irregular hours, ...Read more
Author:Nortje, Karen; Funke, Nicola S; Jacobs-Mata, Inga M; Steyn, Maronel; Claassen, MariusDate:Jan 2011LiveDiverse is a multi-year, multi-country collaborative research project that focuses on the interface between livelihoods and biodiversity of people in rural communities who live in or in the vicinity of a biodiversity ‘hotspot’. Five ...Read more
Author:Pratt, Lawrence EDate:Dec 2019Under-performance of a solar PV plant can have a negative impact on the financial returns for investors, owners, and insurers. The factors contributing to under-performance fall into four categories: overly optimistic prediction models, ...Read more
Author:Oelofse, Suzanna HH; Nahman, AntonDate:May 2019It is estimated that 125 million tonnes of municipal solid waste is generated in Africa, of which only 68 million tonnes is collected. Unsanitary landfilling and open dumping of collected waste are predominant waste disposal options in many ...Read more
Author:Godfrey, Linda KDate:Jan 2019With changing consumption patterns, growing populations and increased urbanisation, developing countries face significant challenges with regards to waste management. Waste plastic is a particularly problematic one, with single-use plastic ...Read more
Author:Oelofse, Suzanna HHDate:Oct 2014Recent global waste statistics show that in the order of 70% of all municipal waste generated worldwide is disposed at landfill, 11% is treated in thermal and Waste-to-Energy (WtE) facilities and the rest (19%) is recycled or treated by ...Read more
Author:Adekola, O; Majozi, TDate:Dec 2011Wastewater minimization can be achieved by employing water reuse opportunities. This paper presents a methodology to address the problem of wastewater minimization by extending the concept of water reuse to include a wastewater regenerator. ...Read more
Author:Duvenhage, F; Brent, AC; Stafford, William HL; Grobbelaar, SDate:Apr 2020A systematic approach to evaluate Concentrating Solar Power (CSP) plant fleet deployment and sustainable water resource use in arid regions is presented. An overview is given of previous work carried out. Once CSP development scenarios, ...Read more
Author:Bugan, Richard DH; Jovanovic, Nebojsa; De Clercq, WPDate:Apr 2012A detailed water balance and conceptual flow model was calculated and developed for the Sandspruit catchment for the period 1990 to 2010 on a winter rainfall water-year (1 April - 31 March) basis. The Sandspruit catchment (quaternary catchment ...Read more
Author:Msiza, IS; Nelwamondo, Fulufhelo V; Marwala, TDate:Nov 2008Computational Intelligence techniques have been proposed as an efficient tool for modeling and forecasting in recent years and in various applications. Water is a basic need and as a result, water supply entities have the responsibility to ...Read more
Author:Patanaik, A; Anandjiwala, RDDate:Jun 2008This article presents the results from a study on the cross-plane water flow through the needle punched nonwoven geotextiles produced from polypropylene fibers. Different types of nonwoven geotextiles are produced by varying the processing ...Read more
Author:Ruiters, Cornelius; Matji, Maselaganye PetrusDate:Oct 2015The standard water institutions, governance and infrastructure reform and policy prescription package of the 1990s and early 2000s, i.e., restructuring, private-public partnerships (PPP), establishment of an independent regulator, have not ...Read more
Author:Adeyeye, K; Gibberd, Jeremy T; Chakwizira, JDate:Nov 2020Water supply in an increasing number of rural and peri-urban communities can be described as marginal i.e. subject to failure, becoming unaffordable or increasingly difficult to access. A range of common factors contribute to water marginalisation ...Read more
Author:Matshe, I; Maposa, Sibonginkosi; Zikhali, PDate:Aug 2013Using household data from the 2009 General Household Survey, this paper examines the role of natural resource scarcity in rural development in South Africa, with a particular focus on water scarcity. It seeks to examine whether there is a ...Read more
Author:Mahlathi, Christopher; Siyakatshana, Njabulo; Chirwa, EDate:Oct 2016Instream water quality management encompasses field monitoring and utilisation of mathematical models. These models can be coupled with optimisation techniques to determine more efficient water quality management alternatives. Among these ...Read morecb
Author:Adams, Janine B; Taljaard, Susan; Van Niekerk, LaraDate:Jul 2023This review study investigated the response of low-inflow estuaries (LIEs) to dam releases as this type of estuary is particularly sensitive to freshwater inflow modification. LIEs occur in arid and semi-arid regions and are subject to periods ...Read more