NAMAGROEN EMPR Amendment.pdf - DLIST Benguela

Addendum to EMPR for Concessions 8(a), 9(a) and 8(b) 35Exclusion of other users Status NegativePotential exclusion of alternative Probabilityresource users (e.g. fisheries,shipping, oil & gas) and potentialhazard due to the physical presence Confidenceof the dredger in an area, or during Extentdischarge to land of dredged DurationsedimentsIntensitySignificanceImprobable; other activities in the targetareas or around the proposed dischargepipeline at Sand Bay are currently limited.HighLocal to RegionalMedium-term; for a 2-3 month durationannually.Negligible; most commercial fishing areaslie in deeper water, or concentrate ondiscrete suitable reef areas in < 15 mdepth.LowLoss of equipment Status NegativeIrretrievable loss of dredging Probabilityequipment, resulting in the creationof seabed hazards, potentialinterference with demersaltrawling, and/or potentialentanglement of marine mammalsand fishing vessels in anchor linesand/or buoy lines marking lostequipment.ConfidenceExtentDurationIntensitySignificanceImprobable (low likelihood); deepwatermining equipment is expensive, and most issuccessfully retrieved within weeks of theloss occurring. Irretrievable equipment isunlikely to cause a hazard for other marineusers due to the operating water depthsand the very limited activity in the area ofoperation.HighSite-specificLong-term to permanentNegligibleLowVessel noise Status NegativeDisturbance of fish and marinemammals by noise emission fromthe dredgerProbability Improbable; sea noise in the nearshoreenvironment is likely to overshadow anylow-level anthropogenic sounds.ConfidenceExtentDurationIntensitySignificanceHighSite-specific; confined to the immediatemining area.Medium-term; the noise contribution isongoing as long as the dredger isoperational in the area.Negligible; most of the noise generated bymining operations is at a frequency thatdoes not interfere with marine mammals.LowNamagroen Prospecting & Investments October 2008