2012 04 Aggregate Dredging Dr Andrew Bellamy, Tarmac Marine Dredging Ltd
17
Humber East Coast Thames East English Channel South Coast South West North West
-
Upload
severnestuary -
Category
Engineering
-
view
265 -
download
1
Transcript of 2012 04 Aggregate Dredging Dr Andrew Bellamy, Tarmac Marine Dredging Ltd
Humber
East Coast
Thames
East English Channel
South Coast
South West
North West
City of Cardiff
Commissioned 1997
Length 72 m
Capacity 2,300t
Service Speed 11kn
Dredge depth 35 m
BCA Avonmouth
BCA Avonmouth
Swansea
Bristol Channel resource gradings from grab and core samples
N Bristol Deep 470
Culver 472 Western Bristol Channel fine
Western Bristol Channel coarse
Sieve size (mm) Percentage passing
20 100
14 98
10 84
5 68
2 100 59
1.18 99 100 57
0.6 97 100 98 52
0.425 85 98 87 39
0.3 60 70 24 22
0.212 13 14 4 8
0.15 4 2 3 3
0.063 2 1 2 2
