Ingenieur Vol 91 2022 | Page 69

Figure 2.3 : Basic system configuration of a trenching ROV .
Jet Trencher Systems
Available Models ( Year )
Bantam III
Pump ( kW )
Jetting
Specifications Flow Pressure Rate ( bar ) ( m3 / h )
Operation Depth ( m )
4
-
-
25
Sands
&
Clays
Machine Capabilities
Soil Burial Condition Depth
( m )
Burial Speed ( m / h )
Operators
3.2 – 5.2
-
Global
marine
systems
Jetting Sled
Dragon and Viper
7.5
-
-
250
Sands
&
Clays
3.2 – 5.2
-
Global
marine
systems
JS1
-
800 –
1000
5 – 10
100
Sands
&
Clays
3
-
Modus
Ltd .
Self – Propelled ROV
Q-1000 ( 2015 )
UT-1 ( 2015 ) T-1200 ( 2012 )
2 x 300
1000
8
1500 – 3000
Fine Sand to firm clays
4 x 375
4800
7
1500
Sand to
soft clays
3 x 375 1050 – 1800
8 – 16
3000
Sand to
stiff clays
CBT-2100
2 x 300
1200
7 – 15
1000
Soft to
hard
ground
Triton ST200
Seamole ( 2000 )
Varying
480
8.5
2500
Sands to low strength clays
2 x 300 960 – 3000
5 – 15
2000
Strong
cohesive
soil
CT-1
1 x 150
-
5
2500
Sands to medium strength clays
3
400
Global marine systems
0.75 – 3
1000
Deep
ocean
3
780
Canyon
helix
offshore
1 – 3.5
250
Deep
ocean
2
-
Tyco
submarine
Ltd .
2.5
2000
Prysmian
group
3
2000
CTC marine projects Ltd .
Table 2.1 Specifications Table and 2.1 Specifications performance and performance indicators indicators of jet trencher of jet trencher machines ..[ 6 [ 6 ] ]
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