Investor:
Bratislavská vodárenská spoločnosť, a. s.
Main contractor:
Marti a.s.
Construction period:
05/2025 – 04/2026
Description of built structures:
This project involves a comprehensive solution for the reconstruction of the existing public water supply steel pipe DN300 in total length of 1114.33m, where the horizontal part is 1101.02m long and vertical part is 13.31m long and construction of water supply branches from the new water main DN-300 connected to existing water supply connections DN 200, 150, 100, 50, DN 1”, DN 2” and to the existing hydrants. New DN-300 water main is designed from stainless steel with thermal insulation.
The route of new water main will run in existing collector within the original route of existing water main.
Construction technology:
The construction consists of the following parts:
- PS 01.1 The mechanical – technological part
- PS 01.2 The electrical-technological part
- PS 01.3 Steel structures
The entire section of the water pipeline restoration will be divided into five stages; starting with the first stage at the intersection of Hraničná Street and Mierová Street. The following is necessary to carry out in each of the stages:
Installation of temporary water supply by laying of HDPE DN-100 pipeline with pre-constructed supply branches according to the situational layout of existing branches to the collection points alongside the route.
Temporary water supply connections to the existing water pipelines.
Construction of temporary supply connections to individual water take out points in the given stage. Hydrants shall not be connected during temporary water supply.
Disassembly of the old steel pipeline in the given section.