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FEIR for Boitshepi Landfill Site .pdf - Zitholele.co.za

FEIR for Boitshepi Landfill Site .pdf - Zitholele.co.za

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95August 2010 8848seepage of groundwater was en<strong>co</strong>untered from shallow depth in some 80% of the test pitsduring the investigation that was carried out during the latter part of the wet season.The initial impact is there<strong>for</strong>e of MODERATE significance that <strong>co</strong>uld happen in the study siteand the impact would be permanent there<strong>for</strong>e the impact is rated as a Low impact.Additional ImpactThe current natural state of the geology on the proposed <strong>Boitshepi</strong> Waste Disposal <strong>Site</strong> willbe slightly disturbed during the <strong>co</strong>nstruction of the waste liner. The significance of the impactis rated as MODERATE at isolated sites that <strong>co</strong>uld happen and would result in a permanentimpact the impact is there<strong>for</strong>e rated as a Low impact.Cumulative ImpactThe cumulative impact during the <strong>co</strong>nstruction phase remains as assessed above since theadditional impact and the initial impact occur in the same area. There<strong>for</strong>e the impact remainsas Low impact.Mitigation MeasuresThis is unavoidable and no mitigation measures are possible.Residual ImpactDue to the fact that the change <strong>for</strong> the proposed extension is essential, and no mitigationmeasures are applicable, the residual impact without the implementation of the mitigationmeasures will remain as Low impact.Table 28: Impact Rating Matrix <strong>for</strong> geotechnical during the <strong>co</strong>nstruction phase(Alternative 1-3).Type of Significance Spatial Temporal Probability RatingImpactInitial MODERATE Study site Permanent Could happen 1.9- LowAdditional MODERATEIsolatedsitesPermanent Could happen 1.8 – LowCumulative MODERATE Study site Permanent Could happen 1.9- LowResidual MODERATE Study site Permanent Could happen 1.9- Low11.1.6 Terrestrial E<strong>co</strong>logyInitial ImpactAs mentioned above in the soil section, the site is heavily impacted and no natural habitatremains on the site. The floral species on site are dominated by alien weeds and pioneergrasses. The fauna on site is indicative of a disturbed environment with opportunistic anddomestic animals present. An exception is the avifauna on site which remains relativelyZITHOLELE CONSULTING

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