PVE equipment USA
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PVE Equipment USA, Inc.

Piling & Vibro Equipment
P.O. Box 12529
5011 Vernon Road, Suite 2
Jacksonville, FL 32209, USA
T: (904) 765-6686
E: info@pve-equipment.com

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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 massive project, 1655 piles will be installed, all with a diameter of 18-24’’. The steel pipes 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 special rotary heads, and a clamping system in order to install the steel pipes.
The average number of driven piles per day is 5 to 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 recorder 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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