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

13.8 SOCIO ECONOMIC IMPACTS .................................................................................................................................... 151
13.8.1 IMPACTS ON SOCIO-ECONOMIC ENVIRONMENT .................................................................................................... 151
13.9 TRAFFIC ............................................................................................................................................................... 152
14. CUMULATIVE IMPACTS (Reg 31(2)(l)) ................................................................................................ 155
14.1 CUMULATIVE IMPACT: INCREASED TRAFFIC VOLUMES WITHIN THE MINE AND SURROUNDING COMMUNITIES .................. 155
14.2 CUMULATIVE IMPACT: DECREASE IN AIR QUALITY IN THE IMMEDIATE SURROUNDINGS OF THE MINE .............................. 156
14.3 CUMULATIVE LOSS OF WETLAND FUNCTIONALITY AS A RESULT OF AN INCREASE IN POLLUTANTS ................................. 157
14.4 CUMULATIVE IMPACT ON WETLAND FUNCTION AND ECOLOGY ................................................................................... 158
14.5 CUMULATIVE IMPACT OF HYDROLOGICAL MODIFICATIONS AND STORMWATER ............................................................ 159
14.6 CUMULATIVE DESTRUCTION OF SENSITIVE HABITAT ................................................................................................. 159
14.7 CUMULATIVE IMPACT OF FAUNAL HABITAT AND DISPLACEMENT ................................................................................. 160
14.8 CUMULATIVE IMPACT ON NATURAL MIGRATORY ROUTES AND FAUNAL DISPERSAL PATTERNS ...................................... 161
15. AUTHORISATION OPINION WITH POSSIBLE CONDITIONS (Reg 31(2)(n)) ..................................... 162
15.1 RECOMMENDATIONS ............................................................................................................................................. 165
16. ANNEXURES ......................................................................................................................................... 173
EIA-REP-325d-11
October 2012
TABLES
Table 1: Probability of pillar failure for a given safety factor ................................................................................... xi
Table 2: A summary of the significant impacts identified during the Scoping phase and assessed during the EIA phase of the
project......................................................................................................................................................xix
Table 3: Land capability classes of different management units ......................................................................... xxvii
Table 4: Probability of pillar failure for a given safety factor .................................................................................. 45
Table 5: Planned burn rate of Camden Power Station ......................................................................................... 61
Table 6: Sewage works design ...................................................................................................................... 66
Table 7: The Usutu opencast extractable reserves ............................................................................................. 74
Table 8: Mean rainfall measured over 54 year period at Ermelo weather station ....................................................... 80
Table 9: Maximum precipitation ..................................................................................................................... 81
Table 10: The mean maximum and minimum temperatures ................................................................................. 81
Table 11: Average wind speed and direction .................................................................................................... 83
Table 12: Mean monthly evaporation .............................................................................................................. 84
Table 13: Mammals and reptiles that may occur in the Ermelo area ....................................................................... 85
Table 14: Age and greater composition of the Ermelo Magisterial District (1980 – 1991) ............................................ 87
Table 15: Formal employment by economic sector for 1994 for the Ermelo Magisterial District .................................... 88
Table 16: Labour statistics for the Ermelo Magisterial District ............................................................................... 88
Table 17: Sectoral composition of the labour force of the Ermelo Magisterial District ................................................. 89
Table 18: Population (2005) group by gender for the Greater Ermelo ..................................................................... 89
Table 19: Impacts on dewatering of the groundwater aquifer .............................................................................. 122
Table 20: The impact on ground and surface water by migration of contaminated water from the mining operations ....... 123
Table 21: Assessment of the possible impacts on surface water during the construction and operational phase ............ 125
Table 22: Destruction of Wetland Habitat ....................................................................................................... 126
Table 23: Altered Hydrological Regime .......................................................................................................... 127
Table 24: Assessment of the possible impacts on air quality during the construction and operational phase ................. 128
Table 25: Destruction of sensitive vegetation types and protected plant and animal species ..................................... 130
Table 26: Destruction of natural habitat ......................................................................................................... 132
Table 27: Destruction of natural habitat and displacement of species ................................................................... 133
Table 28: Reduction of natural migratory routes and faunal dispersal routes .......................................................... 134
Table 29: Impact on increase in exotic vegetation ............................................................................................ 135
Table 30: Impact on the disturbance of flora and fauna ..................................................................................... 137
Table 31: Assessment of the possible impacts on Noise and Vibration during the construction and operational phase .... 138
Table 32: Possible sources of noise at the Vunene Colliery (Pty) Ltd Usutu mine and the potential affected parties ........ 139
xxxi