Total number of completed caisson projects to this day (Spring, 2026):
81 nos
Total number of slipformed caissons:
3735 nos
Heaviest caisson launched:
20 365 tons
Total height of slipformed caissons combined:
~75 000 m (Mount Everest x9)
Total distance moved with our transfer system:
~300 km
Jinhae Newport Breakwater-Wharf 1-2
Korea
Time of execution: 2026
Client: DL Eng. & Constr. Co. Ltd.
Caisson size: 29 x 46 x 21 m
Caisson weight: approx. 12 500 tons
Total number of caissons: 20 Nos
Scope of work: Gantry Slipform and Transfer
Jinhae Newport Breakwater Project
Korea
Time of execution: 2026
Client: Hyundai Eng. & Constr. Co. Ltd.
Caisson size: 18 x 25 x 19 m
Caisson weight: approx. 4 900 tons
Total number of caissons: 56 Nos
Scope of work: Gantry Slipform and Transfer
Donghae Newport OOM. Goods Wharf
Korea
Time of execution: 2026
Client: Daewoo Eng. & Constr. Co. Ltd.
Caisson size: 16 x 24 x 19 m
Caisson weight: approx. 3000 tons
Total number of caissons: 25 Nos
Scope of work: Gantry Slipform and Transfer
MIC-Project
Japan
Time of execution: 2023
Client: Penta-Ocean Constr. Co. Ltd.
Caisson size: 30 x 19 x 17 m
Caisson weight: approx. –
Total number of caissons: 41 Nos
Scope of work: Gantry Slipform on Floating Dock
Ulsan New Port Southern Breakwater 2-3
Korea
Time of execution: 2022
Client: Namkwang Eng. & Constr. Ltd.
Caisson size: 33 x 42 x 25 m
Caisson weight: approx. 15 600 tons
Total number of caissons: 22 Nos
Scope of work: Gantry Slipform and Transfer
Incheon New Port 1-2
Korea
Time of execution: 2021
Client: Hyundai Eng. & Constr. Ltd.
Caisson size: 25 x 43 x 27 m
Caisson weight: approx. 11 200 tons
Total number of caissons: 42 Nos
Scope of work: Gantry Slipform and Transfer
Samchuck TPP
Korea
Time of execution: 2020
Client: Posco Eng. & Constr. Ltd.
Caisson size: 32 x 42 x 26 m
Caisson weight: approx. 11 200 tons
Total number of caissons: 49 Nos
Scope of work: Gantry Slipform and Transfer
Laayoune New Phosphate Port
Morocco
Time of execution: 2020
Client: Achirodon Group NV
Caisson size: 24 x 39 x 25 m
Caisson weight: approx 8 900 tons
Total number of caissons: 41 Nos
Scope of work: Gantry Slipform and Transfer
Donghae Port Tri-level Development (Section 2)
Korea
Time of execution: 2020
Client: SK Ecoplant Co., Ltd.
Caisson size: 27 x 40 x 23 m
Caisson weight: approx 11 300 tons
Total number of caissons: 27 Nos
Scope of work: Gantry Slipform and Transfer
Tuas Terminal Phase 2 (Tuas Finger 3)
Singapore
Time of execution: 2019
Client: Hyundai Eng. & Constr. Co., Ltd.
Caisson size: 29.0 m x 41.0 m x 30.0 m
Caisson weight: approx 13 700 tons
Total number of caissons: 227 Nos
Scope of work: Gantry Slipform and Transfer
Note: Gantry Tower reused from project “Proposed Reclamation at Tuas Finger 1” but with new and advanced slipform system.
Gangneung Anin Power Plant
Korea
Time of execution: 2019
Client: Samsung Corp. Eng. & Constr., Ltd
Caisson size: 30 x 35 x 24 m
Caisson weight: approx 12 700 tons
Total number of caissons: 41 Nos
Scope of work: Gantry Slipform and Transfer
Donghae Breakwater-Wharf Phase 1
Korea
Time of execution: 2019
Client: Hyundai Eng. & Constr. Co., Ltd.
Caisson size: 27 x 38 x 23 m
Caisson weight: approx 12 000 tons
Total number of caissons: 21 Nos
Scope of work: Gantry Slipform and Transfer
Donghae Breakwater Section 1
Korea
Time of execution: 2018
Client: Daelim Industrial Co., Ltd.
Caisson size: 23 x 24 x 25 m
Caisson weight: approx 10 000 tons
Total number of caissons: 30 Nos
Scope of work: Gantry Slipform and Transfer
Ulsan Breakwater-Wharf
Korea
Time of execution: 2017
Client: Posco Eng. & Constr. Ltd.
Caisson size: 21.3 x 28.2 x 23 m
Caisson weight: approx 7 500 tons
Total number of caissons: 47 Nos
Scope of work: Gantry Slipform and Transfer
Donghae Breakwater Section 2
Korea
Time of execution: 2017
Client: Posco Eng. & Constr. Ltd.
Construction year: 2017-
Caisson size: 26m x 36m x 24m
Caisson weight: approx 10 900 tons
Totally 22 Caissons
Nador West Med
Morocco
Time of execution: 2017
Client: STFA-SGTM JV
Caisson size: 21m x 30m x 19m
Caisson weight: approx 8 300 tons
Totally 148 Caissons
Tuas Terminal Phase 1 (Finger 2)
Singapore
Time of execution: 2015
Client: Daelim Industrial Co., Ltd.
Caisson size: 28m x 40m x 28m
Caisson weight: approx 15 200 tons
Totally 221 Caissons
Proposed Reclamation at Tuas Finger 1
Singapore
Time of execution: 2015
Client: Hyundai Eng. & Constr. Co., Ltd.
Caisson size: 18m x 40m x 29m
Caisson weight: approx 14 000 tons
Totally 91 Caissons
Ulsan South Breakwater 2-1
Korea
Time of execution: 2015
Client: Hyundai Development. Co., Ltd.
Caisson size: 34m x 34m x 25m
Caisson weight: approx 11 500 tons
Totally 30 Caissons
SATO Floating Dock
Huelva, Spain
Time of execution: 2014
Client: Edytesa
Scope of Supply: Lifting equpiment for Gantry Slipform production on Floating Dock
DjenDjen Container Terminal
Algeria
Time of execution: 2013
Client: Daewoo Eng. & Constr. Co., Ltd.
Caisson size: 22m x 33m x 18m
Caisson weight: approx 6 000 tons
Totally 45 Caissons
Incheon International Passenger Port
Korea
Time of execution: 2013
Client: Hyundai Eng. & Constr. Co., Ltd.
Caisson size: 25m x 39m x 20m
Caisson weight: approx 8 700 tons
Totally 31 Caissons
Pohang Young-il Bay South
Korea
Time of execution: 2013
Client: SK Eng. & Constr. Co., Ltd.
Caisson size: 22m x 36m x 20m
Caisson weight: approx 7 500 tons
Totally 24 Caissons
Corfu Breakwater wall
Greece
Time of execution: 2012
Client: Actor / Actech
Caisson size: –
Caisson weight: –
Scope of Supply: Gantry Slipform on Floating Dock
Son Duong Port Project
Vietnam
Time of execution: 2012
Client: Samsung C&T Corp., Ltd
Caisson size: 32m x 33m x 19m
Caisson weight: approx 10 000 tons
Totally 237 Caissons
Pohang Young-il Bay Section 2
Korea
Time of execution: 2012
Client: GS ENG. Constr. Co., Ltd.
Caisson size: 23m x 36m x 22m
Caisson weight: approx 8 000 tons
Totally 14 Caissons
Jeju Naval Base Section 2
Korea
Time of execution: 2012
Client: Daelim Construction Co., Ltd.
Caisson size: 15m x 24m x 18m
Caisson weight: approx 3 600 tons
Totally 82 Caissons
Samchuck LNG Production Base
Korea
Time of execution: 2011
Client: Dongbu
Caisson size: 31m x 33m x 24m
Caisson weight: approx 11 000 tons
Totally 72 Caissons
Jeju Naval Project Section 1
Korea
Time of execution: 2010
Client: Samsung C&T Corp., Ltd
Caisson size: 31m x 34m x 25m
Caisson weight: approx 15 000 tons
Totally 57 Caissons
Pohang Young-il Bay
Korea
Time of execution: 2010
Client: SK Eng. & Constr. Co., Ltd.
Caisson size: 31m x 34m x 25m
Caisson weight: approx 11 500 tons
Totally 31 Caissons
Incheon Newport Container Terminal Section 1
Korea
Time of execution: 2009
Client: Hyundai Eng. & Constr. Co., Ltd.
Caisson size: 20m x 36m x 26m
Caisson weight: approx 6 000 tons
Totally 44 Caissons
Nakilat Ship Repair Yard
Qatar
Time of execution: 2008
Client: Daewoo Eng. & Constr. Co., Ltd.
Caisson size: 19.0 m x 36.0 m x 14.0 m
Caisson weight: approx 5 000 tons
Total number of caissons: 41 Nos
Scope of work: Gantry Slipform and Transfer
Pasir Panjang Phase 3&4
Singapore
Time of execution: 2008
Client: Hyundai Eng. & Constr. Co., Ltd.
Caisson size: 24.0 m x 40.0 m x 32.0 m
Caisson weight: approx 12 000 tons
Total number of caissons: 150 Nos
Scope of work: Gantry Slipform and Transfer
Ulsan South Breakwater Wall II
Korea
Time of execution: 2007-2008
Client: Daewoo Eng. & Constr. Co., Ltd.
Caisson size: 21m x 25m x 20.5m
Caisson weight: approx 5500 tons
Totally 54 Caissons
Ulsan South Break Water I
Korea
Time of execution: 2006-2007
Client: Hyundai Eng. & Constr. Co., Ltd.
Construction year: 2006 & 2007
Caisson size: 17m x 32m x 21m
Caisson weight: approx 5100 tons
Totally 30 + 16 Caissons
Jeju Harbour, West Breakwater Caissons
Korea
Time of execution: 2005-2006
Client: Daelim Construction Co., Ltd.
Caisson size: 15m x 24m x 19m
Caisson weight: approx 4900 tons
Totally 36 Caissons
Pusan New Port Extension 1-2
Korea
Time of execution: 2005-2006
Client: Samsung C&T Corp., Ltd
Caisson size: 33m x 15m x 19m
Caisson weight: approx 5500 tons
Production rate: 1 caisson per 5 days
Totally 35 Caissons
Pusan New Port Extension 2-1
Korea
Time of execution: 2004 & 2005
Client: Samsung C&T Corp., Ltd
Caisson size: 30 m x 19m x 20m
Caisson weight: approx 5500 tons
Production rate: 1 caisson per 5 days
Totally 32 Caissons
Kwangyang Sect. 3-2
Korea
Time of execution: 2004-2006
Client: Hyundai Eng. & Constr. Co., Ltd
Caisson size: 31m x 16m x 20m
Caisson weight: approx 5500 tons
Production rate: 1 caisson per 6 days
Totally 38 Caissons
Kwangyang Sect. 3-1
Korea
Time of execution: 2003-2004
Client: Hyundai Eng. & Constr. Co., Ltd
Caisson size: 31m x 16m x 20m
Caisson weight: approx 5500 tons
Production rate: 1 caisson per 6 days
Totally 38 Caissons
Drace Caissons
Spain
Time of execution: 2002
Client: Edytesa
Scope of Supply: Lifting equipment for Gantry Slipform production on Floating Dock
Jurong Island Road Link
Singapore
Time of execution: 1996-1998
Client: Hyundai Eng. & Constr. Co., Ltd
Caisson size: 30m x 18m x 19m
Caisson weight: approx 5500 tons
Production rate: 2 caisson per week
Totally 86 Caissons
Pasir Panjang Ph. 1 & 2
Singapore
Time of execution: 1996-1998
Client: Hyundai Eng. & Constr. Co., Ltd
Caisson size: 30m x 16m x 19m
Caisson weight: approx 5500 tons
Production rate: 1 caisson per week
Totally 88 Caissons