BEN SCHOEMAN DOCK BERTH DEEPENING Specialist ... - Transnet

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Figure 26a: Predicted worst case exceedance (days) of 20mg/l of suspended sediment within the bottom layer of the greater study area for dredge spoil dumped on site #1. (Winter Cutter Suction scenario; copied from Figure B.7.5 in Van Ballegooyen et al., 2006) 83
Figure 26b: Predicted worst case exceedance (days) of 20mg/l of suspended sediment within the bottom layer of the greater study area for dredge spoil dumped on site #2. (Winter Cutter Suction scenario; copied from Figure B.8.5 in Van Ballegooyen et al., 2006) 84
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BEN SCHOEMAN DOCK BERTH DEEPENING S
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the test organisms. The EC 5 is usu
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Turbidity Upwelling Vulnerable Wrac
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Another important issue is the poss
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6.2.1.3 Settlement of material susp
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2 METHODOLOGY For the assessment tw
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The proposed deepening of the Ben S
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4.3 Cumulative effects Table Bay re
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undetectable in 80% of the measurem
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5.1.3 Biological communities The ma
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Supralittoral fringe (Littorina zon
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Niambia sp. Coleoptera Diptera Tylo
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Midlittoral zone - The intertidal o
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Fish - Nearshore and in the sandy b
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2000 at Robben Island revealed furt
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Table 2: Common whales and dolphins
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Table 3: Site, time, mean count (co
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150000 125000 100000 Kg 75000 50000
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sensitive because of its conservati
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Schoeman Dock occurred in 1971 (Pro
Page 41 and 42: Table 7: Hydrocarbon distributions
Page 43 and 44: care concentration ranges for cadmi
Page 45 and 46: SS mg/l Boxplot for TSS 80 60 40 20
Page 47 and 48: The mean values calculated above ar
Page 49 and 50: o o possibility of the dredge spoil
Page 51 and 52: The gravel sized component of the s
Page 53 and 54: Table 12a: London Convention Annex
Page 55 and 56: Benthos distributions in Block #1 -
Page 57 and 58: 40 40 30 Site 1A 30 Site 1B % Speci
Page 59 and 60: 2 Cluster Dendrogram and MDS ordina
Page 61 and 62: the well developed ripples in the c
Page 63 and 64: 6 IMPACT IDENTIFICATION AND ASSESSM
Page 65 and 66: Accordingly the potential environme
Page 67 and 68: Impact Assessment Table No Mitigati
Page 69 and 70: are summarised in the table and it
Page 71 and 72: Figure 21b: Predicted number of day
Page 73 and 74: considered to be low. Further, the
Page 75 and 76: A A B B B Figure 23a and b: Predict
Page 77 and 78: dependent on these include the harm
Page 79 and 80: structures. The apparent lack of su
Page 81 and 82: Diving birds such as cape cormorant
Page 83 and 84: Figure 24: The predicted worst case
Page 85 and 86: Figure 25 depicts the simulation mo
Page 87 and 88: 6.2.3.2 Alteration of benthic biolo
Page 89 and 90: Impact Assessment Table No Mitigati
Page 91: Nature of impact - Turbid plumes of
Page 95 and 96: Figure 27b: Predicted worst case ex
Page 97 and 98: suspended sediment concentrations i
Page 99 and 100: Figure 28a: Dredge spoil dump site
Page 101 and 102: 6.2.3.6 Elevated water column turbi
Page 103 and 104: The evaluation with mitigation is:
Page 105 and 106: Figure 29a: Predicted exceedance in
Page 107 and 108: 6.3 Cumulative Impacts The proposed
Page 109 and 110: Impact summary Table (cont.) Impact
Page 111 and 112: Impact summary Table (cont.) Impact
Page 113 and 114: mitigated by ensuring that the Cutt
Page 115 and 116: operations at Coega Port. Prepared
Page 117 and 118: Glassom D., K. Prochazka and G.M. B
Page 119 and 120: Protekon 2006. Port of Cape Town co
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