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Techno Pieux Landes Helps Monitor the Vieux Boucau Coastline in France with Two Measuring Posts

In response to coastal erosion, the commune of Vieux-Boucau has implemented a coastal strip strategy (a project focused on beach monitoring) using Techno Metal Posts.

The Techno Pieux Landes team installed helical piles for 2 graduated posts (rulers) on Vieux Boucau's North and Central beaches, which are intended to serve as indicators of shoreline changes.

Thanks to these two rulers, the level of sand in relation to a GLF coastline can be monitored over time, to track the movement of sand coming in and out during storms. These geolocated rulers can also be used to monitor the shoreline's change.

 

Year: March 2024

Contractor: Techno Pieux Landes

Customer: Vieux Boucau municipality - Landes - France

Location address: Vieux Boucau Central Beach and North Beach

 

Project objectives:

  • Know the sand height at all times without the need for a DGPS
  • Raise user awareness of coastal changes
  • Be able to withstand storms to record reliable, long-lasting data.

 

Special challenges:

  • Working within a given timeframe based on the tides: a concrete-free foundation was the obvious solution.
  • Respecting the dune with small-scale installation equipment.
  • Accommodate a 4 m pine post on the pile plate from elevation +5m to +9m GLF.

 

Advantages compared with other methods:

  • The installation can be removed and leaves no trace in the ground.
  • Techno Metal Post generates no waste, since it can be recycled in the workshop.

 

Soil type: Sandy

Installation time: 2 days due to tides

Number of people on site: 1 installer - 1 welder

Materials used: P5-12 galvanized helical piles

Equipment used: EM2 installation equipment

Bearing capacity: 2000 psi

Driving depth: The piles were installed at a depth of 2m below 0 GLF, with a total installed length of 7m.

Client Testimonial (in French):

https://www.linkedin.com/feed/update/urn:li:activity:7174352179703468033/

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