Although there is a warranty for the Mukusalas promenade and the builder is obliged to rectify defects at their own expense, the question remains: how could an error occur with the use of concrete of the wrong strength class in one of the sections?
The responsible individuals promised to investigate this, public media reports.
On the promenade, in areas where the concrete is clearly deteriorating, concrete of a significantly lower strength class was used than is permissible for hydraulic structures. The impact of salt on the structures must also be taken into account. The contractor, LLC "Tilts," states that a relatively small part of the constructed volume was affected.
"We are talking about 10 cubic meters. In monetary terms, this is insignificantly small," said co-owner of the company Artyom Gridnev.
Why was unsuitable material used in one section? The Riga City Council pointed to the builder's decision. "According to the information we have, the contractor proposed to use this specific brand of concrete, and the project author and supervision ultimately accepted this decision," said Martins Slimbahs, head of the public infrastructure development department of the Riga City Council.
"The project was changed and adjusted so many times that the plinths appeared in 2021. Then they were removed in 2023. In 2025, they appeared again. Let's not go into details because we need to resolve this issue among ourselves as adults: the customer, the author, and the construction supervision," Gridnev said.
A member of the board of the project author LLC "BM-projekts," Didzis Dale, believes that human error is the most likely cause.
