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Landfall HDD Work for 220kV Weizhou Island Cross-Sea Grid Interconnection Project
OD630 mm × 830 m steel pipe landfall HDD crossing.
Scope of Work
Pipe Diameter: OD630mm steel Pipe Crossing Length: 830 m Crossed Formation: Silty soil，Moderately weathered basalt，Coral reef formations Equipment: GS4000-L HDD Rig with 400 tonnes pullback force , 2 sets of mud pump, mud recycling system
Project Technical Data
Location CHINA · GUANGXI · 2025
Installation Method Offshore Landfall HDD
Pipe Diameter OD630mm
Crossing Length 830 m
Completion Date December 2025
