Member of the Diesekogroup

Woltman Piling & Drilling Rigs

Oosterhout
Sales & Production
Everdenberg 17, 4902 TT, Oosterhout,
The Netherlands
T: +31 184 430 900

Giessenburg
Service & Production
Ambachtsweg 16, 3381 LN Giessenburg,
The Netherlands
T +31 184 652 044

info@woltmanrigs.com
www.woltmanrigs.com

HomeNews

Very first Woltman 55VR heads out to its first jobsite

Woltman´s latest addition to its product range: The Woltman 55VR.
 
 

 
Woltman is well known for manufacturing dedicated, compact yet powerful rigs for the foundation industry. Over the years several foundation methods require more and more bearing capacity which means the rigs which install these foundations are also getting larger and heavier. Therefore Woltman has now designed a new rig with increased performance but still compact of size.

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Dieseko Group opens its doors for you

We would like to welcome you during our Open Days on Friday September 29 and Saturday September 30. The event takes place in Oosterhout and will focus on foundation machines. We will give you an update on our product range, you can attend demonstrations and our experts are on site to inform you about current developments and answer your questions.

What can you expect? We proudly present our new Woltman 50PR piling rig, various other piling and drilling rigs, a pressing machine, a bottom feed Vibroflot, the PVE RD260 Resonator (the innovation in the foundation industry), dredging equipment from Bell Dredging Pumps including dredge pumps and an amphibious crane, modular built impact hammers, various variable moment/normal frequent/resonance free vibratory hammers and a fine selection of our power packs. A broad range of the latest Drive, Dredge and Drill equipment! 

Opening hours
Friday September 29: 9.00am to 6pm
Saturday September 30: 10am to 3pm

Register now if you are interested to join. We hope to see you there!




New apartment buildings in New Castle built with Woltman 50 PR-FF

In New Castle (Delaware, United States of America) a former brownfield is prepared to be ready for 4 apartment buildings. The former old industrial steel metal foundry had metal debris, wood, old stumps and a thick layer of slag. That’s the reason why the precast piles are fitted with rock shoes. These rock shoes keep the pile driving through rocks, metal or other obstacles. They have a high capacity to withstand compression and lateral stress.

The project consisted of 400 pieces precast piles with a length varying between 25ft and 35ft. For the Woltman 50PR-FF an easy job, taken into account the capacity of this pile driving rig. With the 50PR-FF, a single pile of max. 72ft can be driven. The leader capacity of this 63 tons operational weight rig is a staggering 18.5 ton (pile + hammer). 
Although 63 tons seems light for a piling rig with a 7 tons hammer, some states/countries may require lighter transport possibilities. Therefore, the hammer as well as the counterweight can be de-assembled. By doing so, the transport weight will be reduced to only 45 tons (metric).

The PVE NL series hydraulic impact hammer line are designed according to a modular set-up. Therefore a 1 or 2 tons extension can be fitted to a PVE 5NL to make it a 6 tons or even 7 tons impact hammer. This makes the contractor flexible when approaching a project.
The Woltman 50PR-FF of Sun Piledriving Equipment is fitted with the latest safety and operational features to make pile driving a well monitored and efficient process. Some of these features are Zollern Free fall winches, Caterpillar Tier 4F / Stage 4 engine, motion alarms and enhanced data acquisition (PVE measure strike).

To have a more detailed idea of our Woltman 50PR-FF, please have a look at our promotional video on our YouTube account: https://www.youtube.com/watch?v=e5FgYpxtYJg




Woltman 55DR Promotion video

The Woltman 55DR with PVE RH-25. The Drilling rig that a contractor wants when it comes to soil displacement, CFA and Cased CFA drilling.


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Woltman 90 DR builds foundation for new terminal in San Francisco

Currently, no less than four Woltman 90 DR drilling rigs are working at the airport of San Francisco. In several months, the complete foundation of a new terminal will be built, after that the current terminal will be teared down.
During this impressive project, 1655 piles will be installed, all with a diameter of 18-24’’. The steel casings have a length up to 127 ft. In order to stick to the deadline, pile drivers work in 10 hours shifts from Monday to Friday. Four Woltman 90 DR drilling rigs are equipped with PVE rotary heads, with a special clamping system in order to install the steel casings.
The average number of driven piles per day is 7, as the pile drivers need to in-bed the piles into a rock socket, to guarantee the load capacity of a pile. As data records must be made, the on-board data acquisition system is a very helpful tool.
Apart of the deadline, one of the great challenges of the project is the strict rules due to air traffic and fuel from planes. Foundation Contractors made a tight schedule and they are sure to finish the job within the deadline.  




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Photos amongst others from Bob van Laar and Hans Hebbink
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