Pigra carries out the cataloguing, study and resolution of pathologies related to the geotechnical field, from landslides on slopes to foundation pathologies in singular structures, as well as damages of different types to buildings or road infrastructures.

We also perform slope monitoring and auscultation in operation and commissioning phases, using state-of-the-art technology such as drones and satellite remote sensors. Our highly qualified staff ensures a comprehensive service to our private and public clients, providing geotechnical solutions as well as detailed analyses.

Some of our projects:

Slope stability – design and supervision

Long-term contracts for the design of slope stabilization projects and reports for different road and highway operators of Abertis and Cedinsa.

Clients: Abertis (ACESA, AUCAT, Invicat, IBERPISTAS and CASTELLANA), Cedinsa

Analysis and monitoring of slopes – A16 Sitges

Geotechnical study and analysis to design and prepare solutions for the A-16 Highway in Sitges. Castelldefels – Sitges section.

Client: Abertis

Repairs and stabilization of Montant de Tost tunnel

Conditioning of the north entrance of the Montant de Tost tunnel on the C-14 road. Section of Ribera d’Urgellet.


Slope stabilization – emergency designs

Slope stabilization on road C-154. Section of Sant Bartomeu del Grau.

Slope stabilization on the C-32 highway. Section of the Vallcarca toll.

Slope stabilization on the C-25 “Eix Transversal” road. Different sections.

Clients: Abertis,

Maintenance and stability analysis of the “Cova d’en Xoroi”.

Pigra Engineering has performed during the last 10 years the maintenance and stability control of the “Cova d’en Xoroi”, in Alaior, Menorca.

Recently, we have added drone technology to our company as a tool to assist our staff and optimize service to our customers.

Customer: Private customer

Slope stabilization and structural design at Port de la Bonaigua

Placement of anti-slide barriers and widening of curves. Baqueira-Beret section. Design and Construction Management.