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Turning up the gas

Volvo pipelayers were used on both sides of the border to allow gas to flow from France to Belgium for the first time.

The Volvo PL4608 rotating pipelayer’s lifting capacity and stability are perfect for handling large, heavy pipes with ease.
The Volvo PL4608 rotating pipelayer’s lifting capacity and stability are perfect for handling large, heavy pipes with ease.

As well as responding to increasing demand for gas in Belgium’s West Flanders region, the new pipeline will also feed gas to north-west Europe. Located between Alveringem, near the French border and port of Dunkirk, and Maldegem, east of Bruges in East Flanders, the existing infrastructure could no longer cope with growing demand from new housing and small and medium-sized enterprises starting up in the area.

On the French side of the border, responsibility for connecting Belgium to the French network fell to the French grid operator GRTgaz where a Volvo PL4809D rotating pipelayer was used on the project by French pipeline specialist SPAC, a subsidiary of the Colas Group.

Specialists

The Belgian side is the responsibility of Fluxys Belgium NV, the independent operator of Belgium’s natural gas transmission grid and storage infrastructure, which transmits natural gas across Belgium to distribution system operators, power stations and major industrial customers. The 36-inch diameter pipe runs for 74km and this joint operation enables the transmission of 8 billion cubic meters of natural gas between the two countries for the first time.  

Pipeline contractor A. Hak Leidingbouw, specialists in large diameter pipelines, worked on a 20km section using two Volvo PL4608 rotating pipelayers. Each 18m section of pipe weighs around six tonnes, but is not a problem for the PL4608s with their 80-tonne tipping capacity. The aim was to complete around 1,000m – or 50 welds –every day alongside Dutch sub-contractor, specialists Visser & Smit Hanab NV.

No stranger to Volvo pipelayers, A. Hak was the first pipeline contractor in the world to purchase them – six machines – back in 2009. Loe Steenbergen, in charge of equipment purchase and rental for the group, has worked on pipelines across Europe for 11 years.

He says he opted for the Volvo because he likes “the concept of the upper structure rotation, and the machine’s good lifting table”, adding: “They perform like machines with a 90-tonne tipping capacity, even if it says 80 tonnes on paper.” He also appreciates the heavy-duty, hydromechanical, extendable undercarriage.

Operator Marcel Wiehink (in cab) with Loe Steenbergen of specialists A. Hak Leidingbouw.
Operator Marcel Wiehink (in cab) with Loe Steenbergen of specialists A. Hak Leidingbouw.

Volvo PL4608 pipelayer on site.
Volvo PL4608 pipelayer on site.

Easy riders

There are various crossings to contend with en route. Roads are often crossed by laying down special surface-protection mats, but other methods are required for rail or water. Here, the PL4608 offers a distinct advantage as it can be loaded on to a transporter and moved without the need for disassembly. Once a tie-in is complete, the machine can be quickly transported to the next one, saving time and money. “Tie-ins cost around €10,000 [$11,200] each,” says Steenbergen. “Savings on transportation costs alone are significant.”

Operators, too, have warmed to the Volvo pipelayers – these units currently have around 6,000 hours on the clock compared with less than 2,000 for the company’s sidebooms, purchased at the same time.

“We use excavator operators as they adapt quickly to the pipelayer,” says Steenbergen of the PL4608s, used for tie-ins and during the welding and bending processes. When feeding the bending machine, the upper structure rotation enables the machine to swing the pipes into position with no disruption to conditions underfoot, which is not possible with a conventional sideboom pipelayer.

Service within hours

Operator Marcel Wiehink has seven years’ experience with pipelayers and is also licensed to operate sidebooms and crawler cranes.

“I like the flexibility of the swing,” he says. “When there are over-crossed pipes I can easily lift and reposition them on the other side.” He also appreciates the single straight travel pedal, which leaves his hands free to control the boom and winch.

The abrasive, sandy conditions in the Netherlands, where these machines do most of their work, are renowned for damage to wear parts. On this site, which is also very sandy, hundreds of tonnes of wood chips have been used along the right of way to facilitate machine movement and to support local farmers. The biodegradable chips help limit the amount of sand mixed in the soil once the land is reclaimed for agricultural use.

Hidden surprise

As with any pipeline, archeologists were given access to the site before work began to establish what treasures might be unearthed. However, given the geographic location and the region’s history, both historical records and on-site detection methods determined the need for specialist demining operations. Archeological studies were also conducted to ensure that any buried, unexploded munitions – mainly remnants of World War I – were safely recovered.

The sustainable approach used by Fluxys in the preparation and construction of pipelines covers safety issues as well as environmental and ecological factors. It ensures that once the project ends, the land can be reinstated for farming, which fits perfectly with Volvo’s core values of safety and environmental care.

Company Info

  • Volvo Construction Equipment

    312 Volvo Way
    Shippensburg , PA
    US , 17257

    Volvo Construction Equipment (Volvo CE) is a major international company developing, manufacturing and marketing equipment for construction and related industries. Its products, leaders in many world markets, include a comprehensive range of wheel loaders, hydraulic excavators, articulated haulers, motor graders, soil and asphalt compactors, pavers, milling machines and compact equipment. Volvo CE is part of the Volvo Group, one of the world's leading manufacturers of trucks, buses and construction equipment, as well as drive systems for marine and industrial applications. The Group also provides complete solutions for financing and service. The Volvo Group, which employs about 115,000 people, has production facilities in 20 countries and sells its products in more than 190 markets. The Volvo Group is a publicly-held company headquartered in Göteborg, Sweden.

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