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BANGLADESH
SPM Offshore Landfall HDD
Method Offshore Landfall HDD
Diameter OD914 mm × 2; OD457 mm × 4
Length Approximately 10 km combined
Six HDD crossings: OD914 mm × 2 and OD457 mm × 4; combined length approximately 10 km. Experience associated with the project delivery team; completed December 2019.
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CHINA · SEP 2026
Large-Diameter HDD Installation
Method Onshore HDD
Diameter OD1422 mm
Length 1,203 m
OD1422 mm × 1,203 m large-diameter onshore HDD crossing.
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CHINA · NOV 2023
Linfen Water Quality Improvement HDD
Method HDD
Diameter OD630 mm
Length 1,535.8 m
OD630 mm × 1,535.8 m HDD crossing through sandstone, shale and fractured rock.
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CHINA · DEC 2021
Wuhan Tangxun Lake Microtunnelling
Method Microtunnelling / Pipe Jacking
Diameter DN4000 reinforced concrete
Length 724 m; 1,540 m; 1,509 m
DN4000 reinforced concrete pipe jacking; three drives of 724 m, 1,540 m and 1,509 m.
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CHINA · DEC 2025
Weizhou Island 220 kV Cable Landfall
Method Landfall HDD
Diameter OD630 mm
Length 830 m
OD630 mm × 830 m HDD; rig rental and technical consultancy support.
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CHINA · DEC 2024
Shaanxi Binchang Water Conveyance
Method Microtunnelling / Pipe Jacking
Diameter DN2800 reinforced concrete
Length 1,305 m
DN2800 reinforced concrete microtunnelling × 1,305 m in moderately weathered rock.
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