EIA-REP-325d-12 _BB_ - 201.09.14.pdf - SAHRA

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Table 32: Possible sources of noise at the Vunene Colliery (Pty) Ltd Usutu mine and the potential affected parties Process Noise source Mitigation Mine workings Drilling, hauling blasting, loading and Hearing protection provided Waste dumps Dumping and falling of rocks Residual sound levels are less than 60dBA at a distance of 100m from the noise source Transport Cars, busses and other heavy vehicles Silencers Villages, hostels and settlements General domestic activity Description of the impact Noise levels within the mining lease area are expected to range from 40 dBA to 50 dBA in the agricultural and residential areas, to be between 60 dBA and 70 dBA in areas where the predominant activity is mining related. Sensitive environments e.g. schools and residences; situated near the mining activities may be disturbed by these noise levels. Noise levels outside the mining lease area are expected to be lower than within it. Considering the general trend whereby sound power levels decrease by 6 dBA with every doubling of distance from the source, it is expected there will be a significant decrease with an increase in distance beyond 50m from the noise source. Machine operators and workers who work in the noise zones and / or with the noise sources above 85 dBA, and who do not wear approved hearing protection, will suffer permanent hearing loss. Significance: • The activity will have moderate significance on the surrounding environment. A blasting schedule will be implemented so that blasting occurs once a day at 4pm. Mitigation: • Ensure that all machinery and vehicles are well maintained and road worthy; • Noise at equipment and machinery point source should be damped through acoustic treatment and applying silencing equipment; • Environmental noise monitoring should be carried out at regular intervals to detect deviations from predicted noise levels and enable corrective measures to be taken where warranted; • Regularly conduct noise audits on site; • Erect warning signs where noise levels exceeds 85 dBA noise levels; • Atmospheric conditions should be considered before charging and blasting; • Blasting vibrations should be controlled by means of optimising blast hole geometry and altering the time of blasting; • Implement a dust and noxious gases minimisation strategy that will reduce the impact of atmospheric pollution. This will include the use of noxious gas fixation techniques, using and adhering to blasting schedules, and strategies that minimise dust generation; EIA-REP-325d-11 October 2012 139
• Affected communities must be notified when blasting is scheduled to take place; • Workers must be issued with the necessary protective equipment, including ear plugs, when working in conditions that may progressively have detrimental effects on their health. Ensure that all personnel have access to hearing protection equipment at site where the 85 dBA noise level is frequently recorded. Issuing of hearing protection will conform to the Vunene Colliery (Pty) Ltd strategy’; • All employees, who operate machines / tools which are identified as noise sources, should be subjected to audiometric examinations; • All hand held machinery will be muffled; • All fans to be silenced; • If complaints about disturbing noise are received from the local community, Vunene Colliery (Pty) Ltd will: o Respond immediately to the complaints; o Identify the noise source; o Implement appropriate mitigatory measures in consultation with the affected party; o The responsible environmental officer will investigate all complaints and /or non-compliances and the necessary actions will be taken. EIA-REP-325d-11 October 2012 140
Page 1 and 2:
November 2012 VUNENE COLLIERY (PTY)
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Photograph of site: EIA-REP-325d-11
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town of Ermelo. The area falls unde
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Figure 1: The Regulation 2(2) map o
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Figure 3: Cross section 2 from west
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There are increased demands for coa
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• All pillars in the panel are un
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• Potential reduction in crime be
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PUBLIC PARTICIPATION PROCESS A comp
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The Scoping exercise concluded that
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effect on the environment will be m
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• Choose an appropriate lining to
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were caused by extensive anthropolo
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Land capability Assessment Accordin
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EIA-REP-325d-11 October 2012 1 CONT
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10.4.1.2 DURATION .................
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Table 33: Assessment of the possibl
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PHRA - Provincial Heritage Resource
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The "Equator Principles": A financi
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INTRODUCTION Environmental Assuranc
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iii) The undertaking of a linear ac
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Due to the nature of the existing e
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The typical sequence of mining will
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Sub-surface erosions (Potholes): Po
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• Characterise the topsoil and re
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3.4 Storage of ore The Run of Mine
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• Development must be sustainable
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Item 13: The clearance of an area o
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If a Phase 1 report finds that cert
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aims to achieve a desirable balance
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precautionary measures contemplated
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EIA-REP-325d-11 October 2012 2008 8
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7.3.2 Electricity Numerous main dis
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The water management will be undert
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No housing facilities will be provi
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Figure 7: Mining layout plan for op
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the present day erosional surface h
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Table 7: The Usutu opencast extract
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Figure 8: Witpuntspruit catchment a
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Figure 9: Tertiary and quaternary d
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HGM units encompass three key eleme
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Thunderstorms occurring frequently
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Table 12: Mean monthly evaporation
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Taphozous mauritianus Tomb Bat Witl
Page 89 and 90: The major economic activities and s
Page 91 and 92: 8.1.10 Heritage Resources Based on
Page 93 and 94: Dust suppression Dust suppression m
Page 95 and 96: EIA-REP-325d-11 October 2012 Enviro
Page 97 and 98: from Interested and Affected Partie
Page 99 and 100: In addition, the Draft Scoping Repo
Page 101 and 102: their properties and how the mining
Page 103 and 104: • Determination of Significance -
Page 105 and 106: The impact will be relevant through
Page 107 and 108: 10.4.1.7 Determination of significa
Page 109 and 110: . Significance Following Mitigation
Page 111 and 112: location is the most suitable due t
Page 113 and 114: 11.6.2 Contour Mining The contour m
Page 115 and 116: Figure 14: Underground coal mining
Page 117 and 118: 12.3 Pollution control dam design r
Page 119 and 120: sensitive to flow and habitat modif
Page 121 and 122: for the project. Shift changes time
Page 123 and 124: EIA-REP-325d-11 October 2012 13. DE
Page 125 and 126: Source of impact Seepage from the s
Page 127 and 128: Description of impact: Construction
Page 129 and 130: Source of impact: Mining activities
Page 131 and 132: • Dust Deposition The predicted m
Page 133 and 134: • Construction vehicles should re
Page 135 and 136: Destruction of faunal habitat and t
Page 137 and 138: Significance With Mitigation (WM) E
Page 139: • All construction areas should b
Page 143 and 144: • Dust from heavy vehicles; • O
Page 145 and 146: • The illumination of Vunene Coll
Page 147 and 148: Erosion may be accelerated where wa
Page 149 and 150: areas can also transfer pollutants
Page 151 and 152: • Stockpiles can be used as a bar
Page 153 and 154: Weighting factor (WF) Mitigation Ef
Page 155 and 156: The impact is considered to have a
Page 157 and 158: Significance of impact: The transpo
Page 159 and 160: Mitigation measures • The areas c
Page 161 and 162: Description of impact: The most sen
Page 163 and 164: EIA-REP-325d-11 October 2012 15. AU
Page 165 and 166: • The cumulative impact on wetlan
Page 167 and 168: • Labour guidelines should be dra
Page 169 and 170: Surface water impacts: Surface wate
Page 171 and 172: • Number of human inhabitants loc
Page 173 and 174: Table 43: Land capability classes o
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