This technical report is an update and expansion of the preliminary studies for the stabilization of the beaches of Gavà and Viladecans, of December 2019. This new document analyzes the entire coastal section that extends from the mouth of the Llobregat river to Ginesta port and the evolution of the shoreline from 1990 to 2020, critical areas and related problems are identified with coastal stability, and action strategies are proposed that can solve the problem that has been identified.

Based on the "Preliminary Studies for the stabilization of the beaches of Sant Adrià de Besòs, Badalona and Montgat", of March 2021, this document proposes a series of stabilization measures for the beaches of Badalona and Montgat.

Line that identifies the limit between the sea water and the emerged surface of the Catalan coast, classified according to the characteristics of the terrain found in each place.

Orthophoto (mosaic of rectified aerial images) of the coastal strip (total or partial), with a resolution generally between 10 and 15 cm above the ground, generated from photogrammetric flights.

Line that identifies the limit between the sea water and the emerged surface of the Catalan coast, classified according to the characteristics of the terrain found in each place.

Orthophoto (mosaic of rectified aerial images) of the coastal strip (total or partial), with a resolution generally between 10 and 15 cm above the ground, generated from photogrammetric flights.

Orthophoto (mosaic of rectified aerial images) of the coastal strip (total or partial), with a resolution generally between 10 and 15 cm above the ground, generated from photogrammetric flights.

Orthophoto (mosaic of rectified aerial images) of the coastal strip (total or partial), with a resolution generally between 10 and 15 cm above the ground, generated from photogrammetric flights.

Line that identifies the limit between the sea water and the emerged surface of the Catalan coast, classified according to the characteristics of the terrain found in each place.

Line that identifies the limit between the sea water and the emerged surface of the Catalan coast, classified according to the characteristics of the terrain found in each place.