Hydraulic Engineering

Jan De Nul Group owes its success to the comprehensive service the Group can offer and integrate: dry earthmoving and dredging works, shore protection works and general civil engineering constructions.

The combination of civil engineering and dredging works has proven to be a perfect match for the international marine market. Worldwide, Jan De Nul Group is involved in the most prestigious projects in hydraulic engineering and port development, both in the design and construction of quay walls, locks, dams and berths, the construction of breakwaters, shore protection and rock revetment, the construction of storage reservoirs and pumping stations and the execution of dry earthmoving and dredging works.

 

Belgium, Lock weir Harelbeke

Design and development of new lock weir, quay walls, bridges, dredging works, as well for the civil construction, steel construction and electromechanics.

Design and development of new lock weir, quay walls, bridges, dredging works, as well for the civil construction, steel construction and electromechanics.

Key figures
Country

Belgium

Client's name

Waterwegen en Zeekanaal NV
Afdeling Bovenschelde

Contractor's role

JV Partner (Part JDN: 40%)

Period

01.09.2013 - 30.06.2018

Technical specs
Volume

Wet earthworks: 100,000 m³ = 200,000 ton
Dry earthworks: 100,000 m³
Sheet piles: 8,500 ton
Tubular piles: 6,200 ton (max. dia tubular piles 2184mm)
In situ cast concrete: 40,000 m³
Reinforcement: 3,000 ton
1.100 injection anchors

Soil

Clay/silt

Depth

Quay walls – deepening of waterway: until 5.5m below water level,
Lock chamber: until 8 m below water level

Other works

Installation of soil protection: 40,000 m²

Belgium, Beirec - Construction of a new lock in Ivoz Ramet

Construction of a new lock in Ivoz Ramet
Dimensions 225 m x 25 m - difference in level 4.45 m

Construction of a new lock in Ivoz Ramet
Dimensions 225 m x 25 m - difference in level 4.45 m

Key figures
Country

Belgium

Client's name

SOFICO

Contractor's role

Joint Venture Partner (Part JDN 50%)

Technical specs
Scope

Construction of a new lock in Ivoz- Ramet
Dimensions 225 x 25 m - difference in level 4.45 m

Volume

Excavation Works:
- no soil specimen bank but still 34,500 m³ of polluted soil
- 28,000 m³ = building material
Foundation and Piling Works:
- Permanent sheet piles: 2,770 ton
- Temporary sheet piles: 15,000 m³
Precast and in situ Concrete:
- Concrete: 72,480 m³
- Reinforced concrete: 5,352 ton

Dubai (U.A.E), Excavation of Palm Cove Canal - Phase I

Dry excavation of a 13 km long canal consisting out of 5 main basins including the concrete retaining walls on both sides

Dry excavation of a 13 km long canal consisting out of 5 main basins including the concrete retaining walls on both sides

Key figures
Country

Dubai (U.A.E.)

Client's name

Nakheel

Contractor's role

Main Contractor

Period
February 28, 2007 to March 31, 2009

Belgium, Construction of Second Lock Waaslandhaven in Antwerp

The Joint Venture 'Waaslandsluis', in which Jan De Nul Group is partner, builds the world’s biggest lock in the Port of Antwerp. The lock is the second lock for WaaslandPort and will link the...

The Joint Venture 'Waaslandsluis', in which Jan De Nul Group is partner, builds the world’s biggest lock in the Port of Antwerp. The lock is the second lock for WaaslandPort and will link the existing Deurganck Dock with the other docks on the left bank of the Scheldt, which at present have only one nautical link with the rest of the port area.

The WaaslandPort on the left bank of the Scheldt comprises the WaaslandCanal, the Doel Dock, the Verrebroek Dock, the Vrasene Dock and the North and South Inlet Dock. The new Deurganck Dock Lock will open the WaaslandPort to maritime traffic by linking these docks to the Deurganck Dock, directly connected to the Scheldt.

Key figures
Country

Belgium

Client's name

NV Deurganckdoksluis

Contractor's role

Joint Venture Partner (Part JDN 33 %)

Period
October 24, 2011 to March 23, 2014
Technical specs
Equipment

Excavators, dumpers, bulldozers, rollers, cranes, concrete pumps...

Scope

Construction of a lock of a length of 500 m, a width of 68 m and a maximum depth of 26 m
Construction of a new entrance to the Waaslandhaven
Electro mechanical equipment of the lock and surrounding roads

Volume

Excavation: 9,000,000 m³
Concrete: 800,000 m³
Foundation and Piling Works: 10,000 ton sheetpiles
Pipe works: 1,000 m
Special works: 12,000 ton steel constructions (lock doors and bridges)
More than 3,000 m of sheet pile screens up to a depth of 12 m

Panama, Third Set of Locks

On 15 July 2009, Grupo Unidos por el Canal (GUPC) is awarded the design and build contract of the third set of locks on the Panama Canal. GUPC is a Consortium...

On 15 July 2009, Grupo Unidos por el Canal (GUPC) is awarded the design and build contract of the third set of locks on the Panama Canal. GUPC is a Consortium consisting of Jan De Nul Group, Sacyr Vallehermoso (Spain), Impregilo (Italy) and Cusa (Panama). This project will be one of the largest and most prestigious hydraulic engineering works in the world.

 Two lock facilities will be constructed: one on the Atlantic side and another on the Pacific side. Each complex consists of 3 successive locks, bridging the 28 m difference between the ocean and the Panama Canal. A total of 6 chambers will be constructed, each with a length of 427 m, a width of 50 m and a depth of 30 m.  To construct the new locks, 40 million m³ of soil and rock has to be excavated and 5 million m³ of concrete is being poured.

Also the new access channels to the new locks will be dredged and the existing navigation channels will be widened.

 

Key figures
Country

Panama

Client's name

Autoridad del Canal de Panamá

Contractor's role

Consortium Partner (part JDN: 15 %)

Period
August 25, 2009 to October 21, 2014
Technical specs
Scope

EPC contract, construction of 2 sets of locks (one on Pacific side, one on Atlantic side) incl. watersaving bassins

Soil excavation

40,000,000 m³ to be excavated in dry, incl. drilling and blasting of over 10,000,000 m³ of basalt construction of Borinques Dams (dam with clay core: 5,600,000 m³ )

Dredging

About 5,000,000 m³ up to a dredging depth of 20 m
Rock Dredging (basalt)

Reinforced Concrete

5,000,000 m³ for lock and watersaving bassin construction

Man-hours for engineering

Tender design: 130,000 h
Detailed design: 1,000,000 h
As-Built phase: 450,000 h
Estimated maximum number of labourers on site: 7,000

Total man-hours

90,000,000

Equipment

Marco Polo
Hondius
Il Principe