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Piling & Vibro Equipment

Dieseko Group B.V.
Lelystraat 49
3364 AH Sliedrecht
T: +31 (0)184 410333
E: info@pve-holland.com

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The difference in driving speed between conventional hammering and a Vibratory Hammer - Saving significant installation time for OWF Monopiles

Increasing installation efficiency is a key component of LCOE reduction for the offshore wind industry. By reducing the installation time for key components such as Monopiles, significant savings on vessel hire can be made.

The 2018 average installation rate, where the vessel installed both monopiles and transition pieces, is 2.27 Days per Foundation (DpF). When using Vibratory Technology the DpF can drastically been reduced.

These video's were made during a comparison test in Germany and what you see is the actual speed. For the test we used the exact same Monopiles and exact same soil conditions. Besides the installation speed advantage, vibrating technology is less harmful to the sub-sea environment (Marine mammals, fish and other sealife) because of the much lower noise level during installation.

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7 reasons to consider vibration technology for installing monopiles for Offshore Wind Farms

PVE1500M offshore giant1. It shortens pile driving times. Tests show that under suitable soil conditions the vibratory hammer drives down the pile 10 times faster.* Complete the foundation work within short weather windows

2. It brings down installation cost by deploying fewer and more economical tools. The vibro, when fitted with an upending module, can lift a pile from its horizontal storage position, upend, and lift the pile into driving position. The pile is driven into the seabed without the use of a pile gripper or positioning frame. Verticality is maintained with sensors mounted on the vibratory hammer

3. Vibrating reduces pile fatigue and doubles design life to 50 years by introducing less energy into the pile during driving.* It would also allow for mono pile designs with thinner wall thickness, leading to significant material savings and handling cost.

4. Limit piling noise to improve working conditions on the Installation Vessel for the construction team.

5. Changing pile designs and increasing pile diameters call for modular equipment such as a GIANT vibro that can be easily reconfigured to drive piles from 3.5-8.4 meter in diameter.

6. The GIANT innovation is built up from time tested and mature components like the 500M, but in a novel set-up that reduces the complexity of synchronization, and the weight and height of the hammer, while increasing the structural rigidity and the dynamic range of pile diameter the hammer can handle.

7. Independent test results show end bearing and lateral bearing capacity of vibrated piles is within specification.

*Compared to impact driving

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New dealer in Colombia

We are glad to announce that Dieseko has extended her dealer network with MG Mining and Construction SAS from Colombia. MG Mining is working in the region (Nicaragua, Peru, Bolivia, El Salvador, Honduras) and the company has excellent knowledge of all kinds of foundation equipment and foundation works. Our vibratory hammers are a perfect extension of this scope. MG Mining SAS is part of the MG Business Group.
Please contact MG mining for new or used vibratory equipment, as well as for maintenance, service/repair and spare parts.
PVE Vibratory Hammers 
Dieseko Group hopes for successful and long-term cooperation with MG Mining!


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