A retaining wall is a retaining structure built to hold the volume of soil behind it. It can be built with gravel, concrete and reinforced concrete. Retaining walls prevent backfilling or soil behind it from sliding and erosion. The construction of retaining walls holds a significant place among the reconstruction works of Lachin city. The length of the retaining wall built by our company is 9267 m in order to prevent the flood caused by rainwater from damaging the houses and the city economy. In the construction of the retaining wall, 8143 m3 of grade 350 concrete has been used.