Raising the subsided concrete floor of the warehouse of the Prisma shopping center
THE PROBLEM
A shopping centre contacted URETEK Baltic with a long history in the city of Tartu, whose main tenant is Prisma – a beloved supermarket among the residents of Tartu. Considering the building conditions, the shopping centre was built on complicated soil and due to that the parts of the supermarket floors which had to bear heavier inventories and goods had started to sink. Fortunately, an inspection revealed that the sinking was only in the floors and the load-bearing structures were intact and without any damage. The area of the floor that had sunk in the warehouse and the sales hall of Tartu Prisma was 500 m2 and 600 m2 respectively. Since the daily activities of Prisma could not be interrupted, the necessary works in the warehouse were performed on four consecutive nights and the work in the sales area on three consecutive nights without closing the shop for customers. This allowed the customers to maintain their daily rhythm during the repair work and did not entail any additional costs.
THE RESULT
During the repair work, the soil underneath the floor was stabilised with URETEK technology. This included drilling holes with only 14 mm diameter to the floor to perform the injection. The method allows for to avoidance of large-scale and noisy construction works and, what is especially important in the food industry, works which create dust.
The other but not less important benefit of the method of URETEK is the fact that this technology allows to carry out large-scale renovation works without disturbing the customers and closing down the shop, which is especially crucial for shopping centres because it is known that closing a shop for two weeks may lead to a decrease in turnover, the recovery from which may take up to six months.
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