Inspections of ventilation systems can be scheduled or emergency, caused by equipment breakdowns. The inspection certificate of the ventilation system provides all the data on the performance and the compliance of communications with design standards. For many institutions (for example, medical, clean shops and others) it is very important to maintain a certain microclimate that affects the course of the production process or people's well-being.
Poor ventilation and poor traction cause:
- increased humidity due to poor air exchange;
- drop in oxygen in the air;
- development of conditions for the propagation of pathogenic microorganisms;
- deterioration of well-being of staff and visitors, the development of various diseases.
Therefore, Rospotrebnadzor requires periodic certification of ventilation systems with the compilation of inspection reports.
If as a result of the inspection revealed violations of the installation of the chimney, an act of inspection of the technical condition of the ventilation ducts may not be issued, and you will have to pay for the work performed.
Sanitary and epidemiological inspection of ventilation
According to SanPiN 2.1.3.2630-10 for medical institutions, the management of the ventilation system should be carried out by the enterprise management. Regular sanitary and epidemiological examinations of ventilation systems with the subsequent drawing up of an act prevent the spread of pathogens of serious diseases of the respiratory organs. Inspections, according to the law, must be carried out at least once every 6 months, the act of inspection of ventilation is made according to the established model.
During the sanitary-epidemiological examinations of the ventilation system, the following data are entered into the act:
- about microclimate parameters;
- on the results of the analysis of flushing from the inner walls of the ventilation ducts.
The obtained indicators are compared with the requirements of regulatory documents SNiP 41-01-2003 “OVK”. The ventilation inspection report contains recommendations for normalizing the operation or repairing the system. More details about filling out the ventilation inspection certificate in the sample.
The whole process of inspection of ventilation systems is regulated by relevant regulations. Organizations entitled to such work receive a license from the Russian Emergencies Ministry. Act inspection of ventilation systems require many city services. Therefore, the organization performing the work must issue the client:
- copy of the license of the Ministry of Emergency Situations;
- a copy of the certificate of the cleaner who did the work;
- Act of inspection of the ventilation system of the established sample.
Often, explanatory photographs are applied to the inspection report of the ventilation system.
Based on the act, the “Register of disinfection and cleaning of the ventilation system” is filled out. Data from the inspection report of ventilation channels is used to draw up a schedule of disinfection and special treatments for ventilation and climate systems. The register is obligatory for organizations heated by gas boiler houses.
Inspection certificate of an apartment building ventilation
One of the common causes of air draft deterioration is blockage of air ducts with construction debris, dust or its destruction. The cause can only be found with a complete study of the state of ventilation.
During the inspection of ventilation systems in order to draw up an act, the following activities are carried out:
- search for blockages in ventilation ducts;
- video inspection of all air ducts in order to detect redevelopment;
- control over temperature, humidity, air velocity and draft in ventilation ducts;
- identification and determination of the effectiveness of fire forks;
- examination of the state of vent pipe exits on the roofs of houses, the presence of trees or buildings affecting wind support.
Inspection certificate
At the end of the work, the inspection certificate of the ventilation system is completed. For testing and checks are used:
- suspension on a rope;
- video camera and monitor for viewing the status of channels in real time;
- hot-wire anemometers;
- thermohygroanemometers.
Video monitoring is very convenient, it allows you to detect debris and landslides, unauthorized alterations. Most often, this method of examining the condition of canals is used in litigation. From the camera, the image is sent directly to the computer monitor. The whole process is recorded and in the future its recording can be used as a supporting document to the act of inspection of the technical condition. Channels are examined in the direction from the chimney down, horizontal shafts through the viewing windows. Information obtained using the video is used when calculating the cost of repairs, fines or claims for improper laying of ventilation ducts.
Communication Survey
During the inspection of communications and filling out the inspection certificate of ventilation, attention is paid to:
- the presence of passport and design documents;
- compliance with sanitary requirements and standards;
- compliance of the created design with design data;
- the quality of installation and start-up of the ventilation system;
- the effectiveness of ventilation equipment;
- the possibility of cleaning, repairing and disinfecting the inner surfaces of the air channels (the presence of service doors);
- pollution of air ducts, fans with dust and other debris;
- the quality of previous maintenance work on the disinfection and cleaning of ducts and fans indicated in the samples of ventilation inspection certificates;
- the effectiveness of air filters or ultraviolet irradiators (if any).
Information for each item is entered in the inspection certificate of the ventilation system.
Initial Examination of Natural Ventilation
An initial examination of the natural ventilation system is carried out to calculate the pressure loss in the ventilation ducts and air flow. It is carried out during the commissioning of the building. At the end of the work, an act on the initial examination of the natural ventilation system and the rate of air exchange is filled out. In the act of inspection of ventilation ducts, the results of checking the state of the entire system are entered. The operation parameters of which are regulated by GOST 12.3.018-79 “Methods of aerodynamic testing of ventilation systems”. Exemplary acts of inspection of the technical condition of ventilation ducts guarantee high-quality air exchange in the premises for many years of operation of the building.
The video tells about how natural ventilation in a residential building is examined and how to clean it.
