This is due to the introduction of new water supply standards, and due to the fact that old communications are unusable.
Moreover, the update is carried out both at the expense of budget funds and at the expense of the owners of housing.
Violations such as connecting residential buildings to water supply networks are revealed, which pass in the general tray with heat supply networks, the lack of high -quality waterproofing of pipes, etc.D.
Control over the work is carried out by supervisory authorities. Moreover, special attention is paid to compliance with the standards, GOSTs.
For example, with regard to isolation, now there are new requirements. The warranty life of the pipes that are laid using the material such as the insulation of the joints of the PPU pipes is about 30 years, subject to the gasket technology. Dual isolation of polyurethane foam isolation (PPU). It creates excellent conditions to prevent thermal losses and prevent pipe grounding, protects from moisture, and also prevents external corrosion.
This is only one area of use of modern materials. At the moment, more than 20 standards have been changed and this is aimed at steering heat, at high quality maintenance of the housing complex.