Monopile installation for unmanned gas platform
MONOPILE INSTALLATION FOR UNMANNED GAS PLATFORM
In 2017, the CAPE VLT-320 Triple was used to upend and install a 4.7 meter monopile with a length of 40.5 meter, weighting 336 tonnes in a water depth of 26.5 meter in the Dutch sector of the North Sea for the NAM L13-FI platform.
The monopile was upended to vertical position and driven it at 0.2° (well within the 0.5° required tolerance) verticality without any gripper frame or seabed installation frame.
Application details
Application
Monopile installation
Pile type
Monopiles
Water depth
26.5m
Penetration
31.5m
PILE DETAILS
Pile type
Monopiles
Pile length
40.5m
Pile weight
336t
Pile wall thickness
85mm
Pile diameter
4.7m
No. of piles
1
PROJECT DETAILS
Period
May 2017
Sea
North Sea
Country
The Netherlands
Location
Dutch Sector
Market
Oil & gas
System/end usage
Oil & gas platform
Operator or end customer
NAM
Installation contractor
Scaldis
Type of vessel
Floating sheerleg
Name of vessel and owner
Rambiz, Scaldis
Mode
Anchors
Main Reasons for solution choice
SELECTED EQUIPMENT
CAPE VLT-320
Equipment configuration
CAPE VLT-320 Triple
Eccentric moment
960kgm
Max. line pull
1,000t
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