Academic literature on the topic 'Mine safety – South Africa – Limpopo'
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Journal articles on the topic "Mine safety – South Africa – Limpopo"
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Mhlongo, Sphiwe Emmanuel, and George Oluwole Akintola. "Artisanal and small-scale mining activities as post-mining land use in abandoned mine sites: a case of Giyani and Musina areas, Limpopo Province of South Africa." Journal of Degraded and Mining Lands Management 8, no. 3 (April 1, 2021): 2815–27. http://dx.doi.org/10.15243/jdmlm.2021.083.2815.
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South Africa has many artisanal and small-scale mining (ASM) activities that some are registered and others informal and illegal. This paper presents an overview of ASM operations in the vicinity of abandoned mine sites found in Giyani and Musina areas, Limpopo Provine of South Africa. It looks at the mining processes, environmental problems, and health and safety risks of ASM in the area. It also provideds a discussion of practical ways of dealing with the problems of artisanal and small-scale mining operations in a harmonized way with the rehabilitation of the abandoned mine sites. The exploitation of waste rock dumps for aggregate production in Musina demonstrated that formalized ASM activities can be the best alternative uses of the abandoned mine sites. However, artisanal gold mining around Giyani revealed the health and safety risks and environmental problems of these operations. The artisanal gold mining activities worsened the health and safety and the environmental problems of the abandoned mine sites. Therefore, this paper recommends that the efforts of coming up with strategies to formalize and regulate artisanal mining in South Africa be deepened for these activities to be accepteble as sustainable as post-mining land-uses in abandoned mines.
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Sepadi, Maasago M., Martha Chadyiwa, and Vusumuzi Nkosi. "Platinum Mine Workers’ Exposure to Dust Particles Emitted at Mine Waste Rock Crusher Plants in Limpopo, South Africa." International Journal of Environmental Research and Public Health 17, no. 2 (January 19, 2020): 655. http://dx.doi.org/10.3390/ijerph17020655.
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The South African mining industry is one of the largest producers of platinum (Pt) in the world. Workers in this industry are exposed to significant amounts of dust, and this dust consists of particles sizes that can penetrate deep inside the respiratory region. A cross-sectional study was conducted to evaluate dust exposure risk at two Pt mine waste rock crusher plants (Facility A and B) in Limpopo, South Africa. Workers’ demographic and occupational information was collected through a structured questionnaire, a walk-through observation on facilities’ processes, and static dust sampling for the collection of inhalable and respirable dust particles using the National Institute for Occupational Safety and Health (NIOH) 7602 and the Methods for Determination of Hazardous Substance (MDHS) 14/4 as guidelines. Only 79% of Pt mine workers, used their respiratory protective equipment (RPE), sixty-five percent were exposed to work shifts exceeding the recommended eight hours and 8.8% had been employed for more than ten years. The mean time-weighted average (TWA) dust concentrations between Facility A and B showed a significant difference (p < 0.026). The Pt mine’s inhalable concentrations (range 0.03–2.2 mg/m3) were higher than the respirable concentrations (range 0.02–0.7 mg/m3), however were all below the respective international and local occupational exposure limits (OELs). The Pt mine’s respirable crystalline silica (SiO2) quartz levels were all found below the detectable limit (<0.01 mg/m3). The Pt miners had increased health risks due to accumulated low levels of dust exposure and lack of usage of RPE. It is recommended that an improved dust control program be put in place which includes, but is not limited to, stockpile enclosures, tire stops with water sprays, and education on the importance of RPE usage.
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Mhlongo, Sphiwe Emmanuel, Francis Amponsah-Dacosta, and Armstrong Kadyamatimba. "Appraisal of Strategies for Dealing with the Physical Hazards of Abandoned Surface Mine Excavations: A Case Study of Frankie and Nyala Mines in South Africa." Minerals 10, no. 2 (February 7, 2020): 145. http://dx.doi.org/10.3390/min10020145.
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In order to improve the safety status and the quality of the landscape affected by surface mining, it is important that practical strategies for dealing with the excavations are identified. The aim of the work presented in this paper was to carry out an appraisal of the strategies for addressing the physical hazards of abandoned surface mine excavations in two mines in the Limpopo Province, South Africa. The method used involved carrying out field characterization of the current state and uses of the excavations, as well as their physical hazards of the surface mine excavations in the study area. The characterization took into consideration. Possible strategies for addressing the physical hazards of the excavations are identified, and their strengths, weaknesses, opportunities, and threats (SWOT) analyzed. The Quantitative Strategic Planning Matrix (QSPM) was performed on each of the identified strategies with the purpose of determining their attractiveness based on their SWOT factors. The results of the study showed that using a combination of strategies to deal with the physical hazards of the abandoned mine excavations was the most attractive approach followed by the grading of the slopes of the excavations to improve their stability, while promoting their safe alternative uses. The no-action option and backfilling of the excavations were the least attractive strategies for dealing with the abandoned surface mine excavations. The study demonstrated how semi-quantitative tools, such as the SWOT analysis and QSPM could assist in finding practical approaches for dealing with the problems of abandoned mine sites or features.
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Cairncross, Bruce. "Connoisseur's Choice: Ajoite, Messina Mine, Musina, Limpopo Province, South Africa." Rocks & Minerals 91, no. 5 (August 16, 2016): 426–33. http://dx.doi.org/10.1080/00357529.2016.1193697.
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Cairncross, B., J. D. Kramers, and I. M. Villa. "Unusual speleothem formation in the Thabazimbi mine cave, Limpopo Province, South Africa, and its chronology." South African Journal of Geology 121, no. 3 (September 1, 2018): 261–70. http://dx.doi.org/10.25131/sajg.121.0020.
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Li, Zhong Xue, Bing Hui Zu, Yi Qing Zhao, Cui Ping Li, and Zhi Guo Cao. "An Organizational Social Responsibility Approach for Improving Mine Safety and Health in China." Applied Mechanics and Materials 295-298 (February 2013): 2954–62. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.2954.
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The paper aims at presenting an organizational social responsibility approach for improving mine safety and health in China. Through an in-depth comparative analysis of the regulatory mechanisms for mine safety and health in USA and South Africa, it is found that the successful performance of mine safety and health in USA has been contributed by the triangle of effective law enforcement, advanced technology development and qualified labor training, and the impressive improvement of mine health and safety in South Africa has been attributed to the mechanism of tripartite engagement through the state, mine owners and employees. In view of findings from the US and South Africa experiences, an approach of organizational social responsibility through multi-stakeholders is proposed for China to fundamentally improve its performance of mine safety and health by adopting best practices.
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Tshitangano, Takalani G., T. M. Ramaliba, H. A. Akinsola, and M. Thendele. "Tuberculosis risk factors in Lephalale local municipality of Limpopo province, South Africa." South African Family Practice 59, no. 3 (October 31, 2017): 38. http://dx.doi.org/10.4102/safp.v59i5.4557.
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Lephalale local municipality is the leading sub-district in Limpopo province with 9.8% of deaths caused by tuberculosis. This study aimed to describe the risk factors for TB in Lephalale local municipality. A quantitative descriptive, cross-sectional survey design was used to target 148 registered TB patients aged 18 years and above in the sub-district’s 6 clinics. Approval and ethical clearance was obtained from the relevant authorities (SHS/15/PH/14/2006). Only respondents who agreed in writing to be part of the study were included. Ethical research principles were observed. A researcher-developed self-administered questionnaire was used to collect data. The data were analysed using the statistical Package for Social Sciences® version 22.0. Of 148 respondents, a high proportion of diagnosed TB patients (43.24%) were receiving less than R1 000 per month; the majority (53.38%) were unemployed; 22% were overcrowded in a single room; 31.8% had skipped taking TB medication at some point; 12% had previously worked in the mining industries; 37.16% never opened windows: 39.19% were from a rural settlement. TB risk factors in Lephalale include overcrowding, inadequate ventilation, TB treatment interruption, rural settlement, working in a mine, and low income. Educating communities about improving ventilation and treatment adherence as well as community empowerment with entrepreneurial skills might assist.
(Full text of the research articles are available online at www.medpharm.tandfonline.com/ojfp)
S Afr Fam Pract 2017; DOI: 10.1080/20786190.2017.1304734
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Bhuiyan, M. M. Z. U., and R. Mavhungu. "Safety and affordability of an elective Saturday list at Pietersburg Hospital, Limpopo, South Africa." South African Medical Journal 108, no. 2 (February 1, 2018): 123. http://dx.doi.org/10.7196/samj.2017.v108i2.12426.
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Bhuiyan, M. M. Z. U., and R. Mavhungu. "Safety and affordability of an elective Saturday list at Pietersburg Hospital, Limpopo, South Africa." South African Medical Journal 108, no. 2 (February 1, 2018): 123. http://dx.doi.org/10.7196/samj.2018.v108i2.12426.
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Farrell, Leanne A., Ralph Hamann, and Eric Mackres. "A clash of cultures (and lawyers): Anglo Platinum and mine-affected communities in Limpopo Province, South Africa." Resources Policy 37, no. 2 (June 2012): 194–204. http://dx.doi.org/10.1016/j.resourpol.2011.05.003.
Full textDissertations / Theses on the topic "Mine safety – South Africa – Limpopo"
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Machumele, Nkateko Jones. "A geological, petrological and mineralogical study of the UG3 chromitite seam at Modikwa Platinum Mine : significance to exploration and PGE resources." Thesis, Rhodes University, 2014. http://hdl.handle.net/10962/d1013553.
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The UG3 at Modikwa Platinum Mine occurs as a platiniferous, planar chromitite seam. It is stratigraphically located in the Upper Critical Zone of the Eastern Bushveld Complex. Field work study comprise of underground mapping, sampling, surface mapping, borehole core logging, microprobing and microscopic investigations carried out at the Rhodes University. The UG3 at the Modikwa Platinum Mine is about 22cm thick chromitite seam underlain by a white fine grained anorthosite and overlain by a brown medium grained feldspathic pyroxenite. It is an incomplete cyclic unit consisting of chromite and feldspathic pyroxenite. The UG3 reef at the Modikwa Platinum Mine lease area represents a Platinum Group Metal resource of 300 million tons of ore at an in situ grade of 2.5g/t. Under the current market conditions the UG3 reef remains unprofitable to mine in an underground operation due to the operational cost involved. However, it has been illustrated that the UG3 chromitite seam can increase profit margins in an open pit operation provided it is mined together with the economic UG2 chromitite seam. The extraction of the UG3 as ore in the four Modikwa UG2 open pits would result in a combined operating cash profit of R330 million. The UG3 chromitite seam is platiniferous. The platinum-group minerals (PGM) range in size from less than 10μm to about 70μm. The PGMs are associated with sulphides and are both located in the interstitial silicates and are concentrated in the chromitite seam. The PGMs show a strong preference to contact boundaries of the silicate grains, the chromite grains and the sulphide phases. In some instances, they are enclosed within the chromite grains in association with sulphides. The general sulphide assemblage comprises pentlandite and chalcopyrite whereas, the PGMs assemblage comprises cooperite, ferroplatinum, laurite, FeRhS and PtRhS.
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Shika, Matsepane Rebecca. "Radiation safety standards at public hospitals in Limpopo Province, South Africa." Thesis, University of Limpopo (Turfloop Campus), 2012. http://hdl.handle.net/10386/859.
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Marx, Carl. "An analytical accident investigation model for the South African mining industry." Thesis, University of Pretoria, 2003. http://hdl.handle.net/2263/25826.
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Cook, Patrick Michael. "A study of safety management in the coal mining industry of South Africa with particular reference to explosions." Thesis, Cardiff University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.250656.
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Rampfumedzi, Londolani. "Retention strategy for miners and artisans at Tshikondeni Coal Mine." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/986.
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Thesis (MBA (Business Management))--University of Stellenbosch, 2009.ENGLISH ABSTRACT: The retention of the right skills in any organisation or industry is always a challenge. There are many causes of the skills shortage and it is also difficult to retain skilled people once they have been found. The literature suggests that retention of skills should ideally be considered from the design and expectation of the requirements of the job through to the recruitment process; and not only once the employee has started working. The literature also explores the different retention strategies that can be applied, such as succession planning, employee engagement, work – life balance, remuneration structuring and career advancement path. This research is limited to Tshikondeni coal mine and attempts to establish which of the following are the biggest contributing factors that cause people to leave and resign from the mine: • Known life of the mine left is till 2014; • Remote location away from essential services; • Leadership; and • Remuneration. From the research that was done, it became clear that the limited life of the mine was the biggest contributing factor that would make employees want to leave Tshikondeni coal mine. Further study is recommended for organisations that operate with finite resources, and mostly in remote areas, to develop further specific retention strategies – over and above those challenges that face all other industries and organisations. This should be done so that the reality of finite resources can be addressed in order to keep employees motivated and energised until the last ton is extracted.
AFRIKAANSE OPSOMMING: Dit is altyd ‘n uitdaging in enige organisasie of industrie om die regte vaardighede te behou. Daar is baie redes vir die tekort aan vaardighede en dit is moeilik om bekwame mense te behou wanneer hulle wel gevind word. Die literatuur raai aan dat die retensie van vaardighede reeds in die ontwerp van en vereistes vir ‘n betrekking in ag geneem moet word, sowel as tydens die werwingsproses en nie eers na indiensneming van die werknemer nie. Die literatuur ondersoek ook retensie strategië wat toegepas kan word, soos bv. opvolgbeplanning, werknemerbetrokkenheid, balans tussen werk en vrye tyd, vergoedingstrukture en moontlikhede vir bevordering. Hierdie navorsing is beperk tot Tshikondeni steenkoolmyn en poog om vas te stel watter van die volgende die grootste bydraende faktore is waarom mense bedank en weggaan by die myn: • Lewensduur van die myn slegs tot 2014; • Afgesonderde ligging weg van essensële dienste; • Leierskap; en • Vergoeding. Uit die navorsing wat gedoen is, het dit duidelik geword dat die beperkte lewensduur van die myn die grootste bydraende faktor was waarom werknemers wou weggaan van Tshikondeni steenkoolmyn. Verdere navorsing word aanbeveel vir organisasies wat met beperkte hulpbronne, en hoofsaaklik in afgeleë gebiede, werk om verdere spesifieke retensie strategieë te ontwikkel – bo en behalwe dié wat vir ander industrieë en organisasies geld. Hierdeur kan die realiteit van beperkte hulpbronne aangespreek word om sodoende die motivering en aansporing van werknemers te verseker totdat die laaste ton verwerk is.
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Jordaan, Ilse. "Persistent organic pollutants (POPs) associated with a platinum mine in the Limpopo Province, South Africa / Ilse Jordaan." Thesis, North-West University, 2005. http://hdl.handle.net/10394/995.
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South Africa ratified the Stockholm Convention (SC), which became legally binding on 17
May 2004. This Convention targets 12 particularly toxic persistent organic pollutants (POPs)
for virtual elimination. The Convention also requires parties to reduce the release of
organochlorine pesticides and the intentionally- and unintentionally-produced POPs such as
dioxins, furans and polychlorinated biphenyls (PCBs) (referred to as dioxin-like chemicals).
Dioxins are a heterogeneous mixture of chlorinated dibenzo-p-dioxins and dibenzofurans
(PCDD/Fs) congeners. These substances were never intentionally produced but are produced
as by-products of industrial processes (such as metallurgical processes and bleaching of paper
pulp). They can also be formed during natural processes such as volcanic eruptions and forest
fires. The largest contributor to releases of PCDD/Fs in the environment is incomplete
combustion from waste incinerators leading to the unintentional production of these
compounds. Polychlorinated biphenyls (PCBs) are used in transformers and capacitors, but
can also be formed unintentionally during industrial and thermal processes. Dioxin-like
chemicals (PCDD/Fs and/or PCBs) are classified as persistent because of the following
characteristics: lipophilicity and hydrophobicity; resistance to photolytic, chemical and
biological degradation and they are able to travel long distances. As South Africa is a semiarid
region, POPs will be less prone to travel here because these substances favour colder
regions with high soil organic matter.
Fish, predatory birds, mammals (including humans) absorb high concentrations of POPs
through the process of bio-concentration, leading to bio-accumulation of these substances in
the fatty tissue. PCDD/Fs occur as unwanted trace contaminants in air, water, land, in
residues and products (such as consumer goods e.g. paper and textiles). The distribution of
these chemicals into various matrices is problematic since they cause damage to the
environment and human health. These chemicals pose a threat to human health when found
in high concentrations that may lead to acute hepatoxicity and dermal toxicity (chloracne).
Long-term exposure to low concentrations of these substances might lead to chronic effects
such as reproductive problems and carcinogenicity.
Since ferrous and non-ferrous metal production is a source of dioxin-like chemicals, a
platinum mine in the Limpopo Province, South Africa, was selected for this investigation.
The aim of the study was to determine if there are dioxin-like chemicals associated with
platinum mining and processing, and if the H4IIE reporter gene bio-assay could be used to
semi-quantify and assess the potencies of the complex environmental and process samples by
determining their Toxic Equivalency Quotients (TEQ). The implications of the sources to the
formation of dioxin-like chemicals regarding the SC were investigated and recommendations
were made to improve this study.
Samples were collected from tailings dams, woodchips, a dumpsite and slag from the smelter
at Union Section. Samples were extracted with the Soxhlet apparatus using hexane as
solvent. The percentage total organic carbon (%TOC) was determined for each sample to
normalise the data. The method used was the Walkley-Black method.
In determining the TEQ of each sample, the H4IIE luc cell line was used. The cells of the
H4IIE luc line are genetically modified rat hepatoma cells stably transfected with a luciferase
firefly gene. The luciferase gene is activated by the presence of dioxin-like compounds and
the concentration of the enzyme is measured as relative light units (RLUs). The amount of
RLUs is directly proportional to the dioxin load in the extract. This method is rapid, cost and
time-effective in determining the TEQ when compared to chemical analysis.
The TEQ2o-valuesin the various samples, as determined with the H4IIE luc cell line, ranged
from 0.007 ngTEQ/kg to 54.06 ngTEQ/kg. Thermal processes at the smelter, sorption of
hydrophobic organic compounds (HOCs) to soil and tailings, and external sources such as
anthropogenic activities contributed to high TEQ2o-values. Climatic conditions, wind,
precipitation, and solubility of HOCs into surfactants lead to low TEQ20. The smelter at
Union Section had a very high TEQ20of 44.62 ngTEQ/kg compared to Impala Platinum mine
(5.15 ngTEQ/kg). This implies that workers at Union Section are possibly exposed to low
and high concentrations of dioxin-like chemicals. Long-term exposure to these compounds
could lead to bio-accumulation in the fatty tissue of the mine workers, leading to chronic
effects such as reproductive problems and cancer. The air emission of the furnace at the
smelter was 0.03 gTEQ/annum and the release of the PCDD/Fs into the slag was 0.60
gTEQ/annum. By effectively managing the smelter it is possible to reduce the TEQ.
The TEQ of each sample increased due to normalising the data. The normalised TEQ20
ranged from 0.94 ng TEQ/kg to 42497.48 ngTEQ/kg.
Dioxin-like chemicals are present on a platinum mine, but at varying quantities and the effects
of these compounds might be detrimental to the environment and the workers at the platinum
mine. Further analyses of the health impacts associated with the platinum mine are needed.
The H4IIE reporter gene bio-assay could be used to effectively determine the TEQ of each
sample. Although this investigation has identified the formation and presence of dioxin-like
chemicals at certain stages of mining and processing, not all of the processes were
investigated. Some of these processes have the potential to add, and even destroy, these
chemicals, affecting potential human exposure and amounts released to the environment.
This, however, requires further investigation.
The financial assistance of the National Research Foundation (NRF) towards this
research is hereby acknowledged. Opinions expressed and conclusions arrived at, are
those of the author and are not necessarily to be attributed to the NRF.Thesis (M. Environmental Science)--North-West University, Potchefstroom Campus, 2006.
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Debusho, T. K. "Safety in semi-urban schools of limpopo Province :A case of Mankweng Circuit." Thesis, University of Limpopo, 2017. http://hdl.handle.net/10386/1963.
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Thesis (M.Ed. (Curriculum Studies)) --University of Limpopo, 2017Safety in schools is not only a South African issue, but a global challenge too. The study focused on safety in semi-urban schools of Limpopo Province, Mankweng Circuit. The purpose of this study was to investigate factors that affect learners’ safety and to propose ways in which safe schools could be created so that these become centres of learning and where effective teaching takes place. A qualitative approach was used in this study via the use of a purposive sampling method. The sample for this study consisted of 3 learners selected from each 3 different schools. Data was collected through three methods: interviews, observations and written documents. Semi-structured interviews were used to interview learners. The present researcher took five to ten minutes to observe the school before starting the interviews. Substance abuse policy, Minutes for sub-committee for safety and Incidents of violence were used as written documents. The data collected was explicated using step-by-step guide. The study found that some schools in Mankweng Circuit are not safe. Fighting, stabbing, and using drugs and dagga, teenage pregnancy and threats take place on school premises and some of the learners even brought drugs and weapons into school premises. Results also indicated there is a strong partnership between parents and law enforcement agencies for instance polices are working together in the provision of safety measures in schools. As part of the study recommendations, all discarded materials such as broken chairs, tables and blackboards are stored far away from the learners’ classes and gate.
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Tuchten, Gwyneth Myfanwy. "Concept development for facilitating the health and safety efficacy of South African mine workers." Thesis, University of Pretoria, 2011. http://hdl.handle.net/2263/24196.
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The aim of this research is to inform conceptual approaches to health and safety (H&S) training for mineworkers in South Africa. The study focuses specifically on those mineworkers who have the least formal education or training, termed elementary workers (unskilled) and machinery operators and drivers (semi-skilled). It is an integrative literature review of sources drawn from mine health and safety in South Africa; self-efficacy; adult education and training (AET); education and training in mining; and relevant health promotion studies. The sources selected refer to work in the Southern African mine H&S context, or comparable situations. Compelling ideas and formulations for training are suggested in the literature of the different disciplines reviewed. A core concept considered is self-efficacy and the concept has substantial support in the literature. Both the term and concept of ‘self-efficacy’ have been used in South African and mining studies, but often without proper consideration of the sources of self-efficacy and its task- and context-specificity. The review reveals a lack of evidence of effective advocacy and training around generic mining occupational hazards, such as lung disease. H&S training is most evidently linked to operator training, which is aligned with unit-standards. However, substantial numbers of mineworkers lack adequate formal education for such training programmes, or the informal skills to be included via recognition of prior learning (RPL) processes. The proposed role of H&S representatives appears demanding, but the associated skills training outlined in public unit standards, lacks essential elements. The findings identify key considerations for an underpinning approach to H&S training for elementary mineworkers. These are: new learning required; risk perception and management; existing and associated logics; team ethos; maintaining new learning and practice; and a dialogic aspect to programmes. Additional findings suggest that the convergent effects of different policies result in the training of the least educated mineworkers being marginalised. The study concludes with six propositions that relate to the research and development of H&S training for mineworkers, public evidence of training, policy effects and the predicament of mineworkers who lack formal education.Thesis (PhD)--University of Pretoria, 2011.
Education Management and Policy Studies
unrestricted
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Mabasa, Layane Thomas. "A responsive evaluation approach in evaluating the safe schools and the child-friendly schools programmes in the Limpopo province." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80061.
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Thesis (PhD)--Stellenbosch University, 2013.ENGLISH ABSTRACT: This study focuses on the use of a responsive evaluation approach in evaluating programme implementation: Safe Schools and the Child Friendly Schools Programmes. A case study design was adopted for use in the study. That was done by using Robert Stake’s responsive approach but modified to include: Stakeholder audience identification, consultation and issues exploration; Stakeholder concerns and issues analysis; Identification of evaluative standards and criteria; Designing and implementation of evaluation methodology; Data analysis and validation and Reporting. The study was done in two phases. Phase 1 focused on the Safe Schools Programme involving seven schools in the Capricorn district, Limpopo province. Preliminary results from phase 1 revealed that there was no implementation of the Safe Schools Programme. In phase 2 of the study the focus was on the implementation of Child Friendly Schools Programme. It involved three schools in the Capricorn and Waterberg districts, Limpopo province. Data collection was done by using three methods which are Observation, Interview and Documents. The results indicate that there is no implementation of the safe schools programme but there is implementation of the CFS programme. Although there is no implementation of the SSP, schools have initiated strategies to deal with safety issues. On the implementation of CFS programme, schools differed greatly in their approach. The study also documents the strengths, limitations and lessons learnt from the use of responsive evaluation approach as outlined by Robert Stake. The major contribution of the study is that Responsive Evaluation approach has gone through major changes over a period of time to the extent that its latter position seems to be contradicting some of its earlier positions. Further, evaluators should be patient, flexible and have listening, writing and observation skills when using the approach.
AFRIKAANSE OPSOMMING: Die studie fokus op die gebruik van ‘n responsiewe evalueringsbenadering in die evaluering van die programimplementering van die Veilige-skole- en die Kindvriendelike skoleprogramme. ‘n Gevallestudie ontwerp, naamlik Robert Stake se responsiewe benadering, is in die studie gebruik. Die benadering is aangepas om die volgende in te sluit: Identifikasie van die belanghebbende gehoor; konsultasie en eksplorasie van aangeleenthede; Analise van belanghebbended bekommernisse en vrae; identifisering van evalueringstandaarde en –kriteria; Ontwerp en implementering van evalueringsmetodologie; Data-analise en –validering, en verslagdoening. Die studie het in twee fases plaasgevind. Fase 1 het gefokus op die Veiligeskoleprogram wat sewe skole in die Capricorndistrik, Limpopo provinsie, insluit. Voorlopige resultate van Fase 1 het gewys dat daar geen implementering van die Veilige- skoleprogram was nie. In Fase 2 van die studie was die fokus op die implementering van ‘n Kindvriendelike Skoleprogram. Dit het drie skole in die Capricorn- en Waterbergdistrikte, Limpopoprovinsie, betrek. Data-insameling is gedoen deur gebruik te maak van drie metodes, te wete: waarneming, onderhoudvoering en dokumentering. Die resultate dui daarop dat daar geen implimentering van die Veilige -skoleprogram is, maar wel implimentering van die Kindvriendelike-skole-program. Alhoewel daar geen geen implimentering van die Veilige-skoleprogram was nie, het skole strategiee inisieer om veiligheidkwessies te hanteer. Wat die implementering van die Kind-vriendelike program betref, verskil skole grootliks in hul benadering. Die studie dokumenteer ook die sterkpunte, beperkings en lesse geleer uit die gebruik van die responsiewe evalueringsbenadering soos uiteengesit deur Robert Stake. Die hoofbydrae van die studie is dat die Responsiewe Evalueringsbenadering groot veranderings oor ‘n tydperk ondergaan het tot die mate dat die mees onlangse standpunte blyk om sommige van die vorige standpunte te weerspreek. Verder behoort evalueerders geduldig en plooibaar te wees, en oor luister, skryf- en waarnemingvaardighede te beskik by die gebruik van die benadering.
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Collinson, Wendy Jane. "A standardised protocol for roadkill detection and the determinants of roadkill in the greater Mapungubwe Transfrontier Conservation Area, Limpopo Province, South Africa." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1002056.
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Despite evidence suggesting that road traffic is a major threat to biodiversity loss, very little is known about its actual impact on wildlife populations in South Africa. Globally, road density and traffic volumes are increasing, and although huge budgets are devoted to the construction and upgrading of roads, there is little or no allocation to mitigation measures for protecting fauna in most countries, particularly Africa. Further, no global standardised protocol exists for the rapid assessment of roadkill or the most economical and efficient approach for assessing roadkill rates. Using vehicle field trials, the reliability of detecting artificially deployed roadkill was assessed. Roadkill detection rates decreased significantly at speeds >50 km/h and were also significantly influenced by light conditions (i.e. detection success was greater when the sun was high) and the position of the roadkill on the road (i.e. smaller roadkill on verges were often missed). These results suggest that roadkill sampling was most effective between 1.5 hours after dawn and 1.5 hours before dusk and that driving at slower speeds (<50 km.h⁻ₑ) was required to detect roadkill. This protocol was implemented across three ecological seasons on a 100 km paved road and a 20 km unpaved road in the Greater Mapungubwe Transfrontier Conservation Area, Limpopo Province, South Africa. Driven daily over a 120-day period (three periods consisting each of 40 days), a total of 1,027 roadkill were recorded. These comprised 162 species from all terrestrial vertebrate groups with birds being the most commonly encountered roadkill (50% of all incidents). The high numbers of vertebrates identified as roadkill suggests that road traffic could have potentially unsustainable impacts on wildlife populations and hence the biodiversity of the area. Seventeen variables were identified as possible determinants of roadkill occurrence with season, rainfall, minimum and maximum temperature, habitat type, grass height, grass density, fence type and vehicle type significantly influencing roadkill numbers. Significantly more roadkill were detected on the paved road (9.91/100km) than on the unpaved road (1.8/100km) probably because of greater traffic volumes and the increased speed that vehicles travelled on the paved road. Warmer temperatures and increased rainfall in the preceding 24 hours also increased road mortality numbers as animals tended to become more active during these times. Interestingly, more roadkill was detected in open roadside habitats compared to dense roadside habitats on both the paved and unpaved roads and when grass on the roadside verge was of intermediate height. Open habitat possibly may provide a natural corridor for wildlife which ultimately end up on the road. Roadkill numbers increased when certain other physical barriers, such as cattle fences, were present, probably because these barriers were more penetrable than electric fencing. A series of mitigation measures are proposed to reduce the impacts of roads on wildlife in South Africa. These mitigation measures highlight the need to address the balance between the development of a country’s transport infrastructure and the conservation of its fauna. It is important that research on the impacts of roads becomes standardised to enable robust statistical comparisons which will provide a greater understanding of the potential threats to vertebrate biodiversity
Books on the topic "Mine safety – South Africa – Limpopo"
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(Gys), Rautenbach G., and South Africa, eds. Understanding the Mine Health and Safety Act. Cape Town: Juta Law, 2011.
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Africa, South. Mine Health and Safety Act 29 of 1996 & regulations. Cape Town: Juta Law, 2011.
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D, Adams, and Mine Health and Safe Council (South Africa)., eds. Introduction to safety practice in South African mines. Braamfontein, Johannesburg: Mine Health and Safety Council, 2007.
Find full textConference papers on the topic "Mine safety – South Africa – Limpopo"
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Mangwaya, L., Confidence Muzerengi, and K. Madi. "Secondary resources at abandoned mine tailings, Giyani Greenstone Belt, Limpopo Province of South Africa." In 14th International Conference on Mine Closure. QMC Group, Ulaanbaatar, 2021. http://dx.doi.org/10.36487/acg_repo/2152_30.
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Green, Jeremy. "CSIR centre for mining innovation and the mine safety platform robot." In 2012 5th Robotics and Mechatronics Conference of South Africa (ROBMECH). IEEE, 2012. http://dx.doi.org/10.1109/robomech.2012.6558456.
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Jeleni, M. N., J. R. Gumbo, C. Muzerengi, and F. A. Dacosta. "An assessment of toxic metals in soda mine tailings and a native grass: a case study of an abandoned Nyala Magnesite mine, Limpopo, South Africa." In WATER POLLUTION 2012. Southampton, UK: WIT Press, 2012. http://dx.doi.org/10.2495/wp120361.
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Coetzee, Shaun, Hein Swart, Peter Bosscha, and Dawid Oosthuizen. "Design of an industrial all-terrain robot platform lessons learned in the design of a robotic mine safety platform for South African gold mines." In 2012 5th Robotics and Mechatronics Conference of South Africa (ROBMECH). IEEE, 2012. http://dx.doi.org/10.1109/robomech.2012.6558463.
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Argirakis, Anthony S. "Remote Control Jackleg Drills Reduce Operators’ Overall Noise Exposures." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12833.
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Jackleg drills have proven to be a problem when it comes to overexposures to noise for coal miners as well as metal/nonmetal miners. These pneumatic drills are used to drill holes for roof bolting or blast holes in developmental and stoper mining. They are used when mining vertically or steeply inclined deposits. The “Leg” is a heavy metal support which allows the driller to keep the rig steady when collaring the hole as well as keeping it steady while drilling into the hard rock. Since drilling is done basically by hand, the operator remains in close proximity to the noise associated with the pneumatic hammer. Up until now, little has been done with the exception of Original Equipment Manufacturer (OEM) and retrofit mufflers to achieve compliance with the noise standards stated in Code of Federal Regulations (CFR) Title 30, part 62 for the drills of the type. Just recently an anthracite coal mining company, having noise problems associated with their jackleg drills, purchased a “Remote In-Stope Drill Rig” from a manufacturer in South Africa. A noise study was conducted by the Mine Safety & Health Administration (MSHA) and the cooperative mining company to determine the effectiveness of the remote control jackleg drill in reducing the operator’s overall noise exposure. The baseline test was conducted on the original jackleg drill. Once the new remote unit was received, it was tested as received from the manufacturer with their hammer and again with the company’s original hammer retrofitted to the drill rig. The company also made modifications to the 8 ft. hose extending it to 20 ft. to allow operation further from the noise source. The study was conducted to determine the effectiveness of the remote control unit in reducing not only the sound level, but also the overall noise dose. The unit was found to not only reduce the operator’s overall noise exposure when used with either hammer, but allowed drilling to be conducted from a location under permanently supported roof with no vibration on the operator’s hands.