Screw Piles (David) Slay Concrete Piles (Goliath) In This Case Study

Liquid Storage Install 3

You are the manager of a plant operation tasked with the installation of a 72,000 liter liquid storage tank.  You won’t be shutting down the day to day operations.  In fact, it is expected that little to no disturbance to regular business operations occur.

Closing your eyes, you envision the process for boring 0.5 meter [20in.] diameter by 9 meter [30ft] cast in place piles.  A compact drill rig will be required due to overhead restrictions, this means additional time onsite for the process of continuously adding and removing auger extensions and clearing tailings.

The tailings are going to be a real issue.  Your operation requires a clean and controlled space; piling the tailings inside won’t be an option.

The thought of constant back and forth to haul tailings out of the building has you wondering how to coordinate your employees and the piling crew so they aren’t bumping each other in the hallways.

Maybe it’s not so bad.  How much of a mess could eight piles create anyway?

Curious you calculate the volume of each pile and reach a grand total of 14.8 cubic meters [523 cu.ft.]… that sounds like a lot!  Google is telling you to multiply the undisturbed volume of the soil by at least 1.3 to gain a realistic expectation for the true volume of disturbed soil.  Just like that, the tailings from a mere 8 piles will require two dump trucks and more than 110 wheelbarrow trips through the plant.

In addition to everything, two concrete trucks will need to access the site to fill the bore holes.

Recently, the team at Postech Screw Piles Manitoba helped a local concerned plant manager make the experience of piling a 72,000 liter liquid storage tank easy and pleasurable.  Little to no disturbance of the day to day operations occurred and 8 multi-helix screw piles were installed to 12 meter [40 ft] depths without mess.  Torque monitoring of the installation and on-site load tests both confirmed that design loads of 133 kN [30,000lbs] where satisfied while the smile on the plant manager’s face confirmed he was satisfied.

P.S. This is a case study demonstrating savings that can be realized beyond a per pile estimate provided by a piling company. In this particular case, screw piles were also estimated cheaper than concrete further compounding the savings.

About screwpiling

We install premium pile foundations which are guaranteed against movement due to frost heaving. Our piles are affordable and professionally installed according to torque, this means you get a perfect install every time! We proudly serve the Greater Winnipeg Area, Steinbach, South-East Manitoba and Interlake regions. Start off on a solid foundation with a Postech Thermal Piles, the most solid and stable piles ever designed.
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