Why it is necessary to carry out sanitization and cleaning?

Cleaning and sanitization of ventilation systems is a key condition for ensuring optimal parameters of air entering the building.

The dirtier the channels and filters, the more difficult it is to maintain its quality and characteristics specified in the sanitary standards.

Fat deposits, dirt, dust, condensate and moisture accumulate inside the channels. In addition to aesthetic unattractiveness (particles are detached from surfaces and air enters them into a room), this is dangerous – a layer of pollution can ignite, creating a threat to people’s lives and the condition of buildings. In addition, it is an environment for the spread of bacteria, the formation of fungus and mold.

Sanitization of ventilation  systems is necessary to maintain its optimum quality, as well as to prevent many dangerous situations and problems. Maintaining the purity of channels, branches and other structural elements, their owner:

  • destroys potentially dangerous microorganisms – before the start and after cleaning, specialists measure the condition of the canals, take samples;
  • provides protection to personnel visiting customers’ premises, business partners – the better the condition of the ventilation system, the cleaner the air, easier breathing, more comfortable work;
  • supports the optimal parameters recorded in the SanPinas and other official regulatory documentation – the oversight bodies monitor the implementation of the standards, and will immediately respond to violations;
  • cares about fire safety – the spread of fire through dusty channels occurs rapidly, and clean air cannot move through clogged ventilation chambers.

Cleaning steps: condition assessment, preparation, carrying out

Cleaning the air ducts of ventilation systems is a multi-step process, and its features depend on the features of the building structure, the operations carried out there, the presence of hazardous, highly flammable substances and fumes, and many other factors. There are several key stages that are provided for in the basic technology. It:

  • preliminary assessment of the sanitary-epidemiological situation, inspection of ventilation and air-conditioning equipment, their condition;
  • development of a cleaning plan, tactics, selection of methods and tools, tools, preparatory work;
    direct work;
  • evaluation of the effectiveness of the activities and preparation of a report on them.

Cleaning should be carried out in the presence of laboratory and research documentation, contracts with performers of works and other papers that are needed for presentation to the sanstantion, Rospotrebnadzor or other authority.

Disinfection of air ducts of ventilation systems should be preceded by sampling – it is necessary to make washes, take samples of substances on the inner surfaces of pipes and channels, and conduct analyzes. The sanitary-epidemiological survey also includes:

  • analysis of project documents, ventilation system passports, determination of whether the real state of affairs corresponds to the norms for a building;
  • determining whether the ventilation and air-conditioning system complies with the technical documentation;
    assessment of the degree of contamination of airway structures;
  • drawing up official documents – acts of system inspection.

The preliminary stage involves a visual study, the determination by a specialist of the degree of contamination of accessible parts of the structure using video surveillance devices, as well as making decisions on time and method of cleaning.

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