Maintenance of ventilation systems requires special knowledge and skills. Only organizations and persons who have received a special license can engage in this type of activity. Ventilation is served on the basis of a contract, which lists all the work and the timing of their implementation. There are certain regulations for the maintenance of ventilation systems. The list of ventilation maintenance work performed is logged.
Ventilation Maintenance License
All persons and organizations involved in the servicing of ventilation systems, in accordance with the federal law "On the licensing of certain types of activities" must obtain a license.
To obtain a license for the maintenance of ventilation systems, you must submit the following documents:
- Copy of the charter certified by a notary.
- A copy of the memorandum of association certified by a notary.
- A copy of the certificate of issuance of the PSRN, certified by a notary.
- A copy of the TIN / KPP certificate issued by a notary public.
- A copy of the certificate of amendments to the Unified State Register of Legal Entities, certified by a notary.
- A copy of the certificate of assignment of the OKVED code from the Goskomstat, certified by a notary.
- Extract from the state register, received no more than 14 days, certified by a notary.
- Copies of documents on the change in the charter documentation, appointment of the general director, creation of the enterprise.
- A copy or original of the lease or a document of ownership of the premises.
- A copy of the document on the education of the general director.
- Copies of documents on the education of specialists.
- Settlement accounts.
- Data of passports of specialists and the general director.
The license form for servicing house ventilation is standard.
Documents for obtaining a license for servicing the building and other types of ventilation are considered from 30 to 45 days. After obtaining a license, an organization can service ventilation in any subject of the federation.
Service contract for ventilation systems
The contract for the maintenance of ventilation systems is concluded between the customer and the contractor.
The standard contract for the maintenance of the ventilation system contains the following clauses:
- Subject of the contract.
- Duties of the parties.
- Cost of work, settlement scheme.
- The order of acceptance of the work done.
- Responsibility of the parties.
- Settlement of disputes.
- Final provisions.
- Addresses and details.
- Applications
The annexes to the contract indicate the list of ventilation maintenance work, the frequency of their implementation, and the validity period.
The protocol of approval of prices for works on servicing the supply and exhaust system and the rules for their implementation are attached to the contract.
Ventilation Maintenance Regulations
The standard schedule of ventilation maintenance work determines the list and frequency of work for each individual module:
- fans
- heaters;
- filters
- dampers;
- electrical parts;
- to controllers.
The supply and exhaust ventilation service is performed after the signing of the contract and approval of the regulations.
Maintenance schedule for fans in ventilation systems
| No. p / p | Name of works | Periodicity |
| 1 | Visual control of the work with fixing the results. | 1 time in 3 months |
| 2 | Setting the presence of uncharacteristic sounds, overheating above +70 degrees and vibration with a written record of the results. | 1 time in 3 months |
| 3 | Visual control of bending elements with fixing results. | 1 time in 3 months |
| 4 | Checking all moving parts, as well as fasteners with nuts, bolts and others. | 1 time in 3 months |
| 5 | Checking mounts and anti-vibration mechanisms. | 1 time in 3 months |
| 5.1 | Inspection of all fixtures. | 1 time in 3 months |
| 5.2 | Fixing detected defects in the ventilation maintenance log. | 1 time in 3 months |
| 6 | Identification of uncharacteristic sounds and overheating of bearings. | 1 time in 3 months |
| 7 | Investigation of the condition of belts, their location, degree of tension. Replace if necessary. | 1 time in 3 months |
| 8 | Inspection of engine insulation. Data is recorded in the ventilation maintenance log. | 1 time in 3 months |
| 9 | Current control with data capture. | 1 time in 6 months |
| 10 | The study of electrical wiring, wire connections with fixing the results in writing. | 1 time in 3 months |
| 11 | Examination of airways of the fan, cleaning of dust deposits. | 1 time in 3 months |
| 12 | Cleaning the fan impeller with fixing of the revealed breakdowns in the ventilation maintenance log. | 1 time in 6 months |
| 13 | Cleaning the outside of the fan. | 1 time in 12 months |
| 14 | Drawing up a report on the degree of deterioration of equipment. | 1 time in 3 months |
Maintenance regulations for air filters and heaters for ventilation systems
Heaters
| 1 | Inspection and identification of breakdowns, pollution. | 1 time in 3 months |
| 2 | Control the uniformity of the heating of the sides. | 1 time in 3 months |
| 3 | Search for coolant leaks, repair. | 1 time in 3 months |
| 4 | Pumping air out of the circuit. | 1 time in 3 months |
| 5 | Removing dirt and dust from the coil. | 1 time in 3 months |
Air filters
| 1 | Turn off the fans. | 1 time in 3 months |
| 2 | Inspection of the condition of the filter surfaces. | 1 time in 3 months |
| 3 | Replace filter modules if necessary. | 1 time in 3 months |
| 4 | Record of all detected defects and malfunctions in the journal of maintenance and repair of ventilation systems. | 1 time in 3 months |
Maintenance schedule of automatic units of supply ventilation systems
Damper
| 1 | Inspection and troubleshooting. | 1 time in 3 months |
| 2 | Density control of closing and opening. | 1 time in 3 months |
| 3 | Repair and dusting. | 1 time in 3 months |
Electromechanisms
| 1 | Opening and closing control. | 1 time in 3 months |
| 2 | The study of the degree of wear. | 1 time in 3 months |
| 3 | Checking the condition of wire connections, strengthening them. | 1 time in 3 months |
| 4 | Feedback check. | 1 time in 3 months |
| 5 | Monitoring or changing thresholds. | 1 time in 3 months |
Controllers
| 1 | Monitoring power indicators, fuse safety. | 1 time in 3 months |
| 2 | Control of initial parameters and settings. | 1 time in 3 months |
| 3 | Change of initial parameters and settings as needed. | 1 time in 3 months |
| 4 | Study of the controller. | 1 time in 3 months |
| 5 | Checking wire connections, reinforcing them. | 1 time in 3 months |
| 6 | Testing the interaction of actuators and sensors with the controller. | 1 time in 3 months |
| 7 | Pollution detection. | 1 time in 3 months |
| 8 | Elimination of pollution. | 1 time in 3 months |
Hydrostats, thermostats and sensors
| 1 | Calculation of characteristics at the output, their compliance with the norm. | 1 time in 3 months |
| 2 | Checking the fastening of wires and their strengthening. | 1 time in 3 months |
| 3 | Replace or repair as needed. | 1 time in 3 months |
| 4 | Search for pollution. | 1 time in 3 months |
| 5 | Elimination of pollution. | 1 time in 3 months |
Journal of operation and maintenance of ventilation systems
The journal of maintenance and repair of the ventilation system is one of the necessary documents along with the passport of the ventilation unit and the Operation Manual. All measures for the repair and maintenance of ventilation systems are recorded in the journal.It is he who is the main regulatory document.
The design of the magazine is carried out by specialists conducting the work. Previously, an agreement is signed between him and the enterprise on the maintenance of the ventilation system. An act of technical condition is drawn up, in which the main parameters of the system and its condition at the time of the examination are indicated.
Based on the Act, recommendations are made on the maintenance of supply and exhaust ventilation.
Journal of maintenance and repair of ventilation systems according to form 43-e
| No. of ventilation system, type of equipment. | Number and type of service (overhaul or maintenance) | Fault List | Completed work | Signature | |
| executor | controlR | ||||
| 1. | |||||
| 2. | |||||
Security measures
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safety precautions requiredVentilation maintenance is carried out strictly according to the approved schedule, agreed upon with the operating mode of the enterprise and recommendations of the equipment manufacturer.
- Starting and stopping the equipment is carried out in a certain sequence, ensuring the complete removal of harmful substances from rooms and ducts.
- Fan guides are checked once every 4 weeks.
- Calorifer units are checked for leaks once every 10 days.
- If during maintenance of cell oil filters it is found that their resistance increases by ½ or the dust content in the oil reaches 0.16 kilograms per liter, replace the oil and rinse the filter surfaces with a 10% caustic solution.
- Check the clogging of ventilation nets and gratings at least 1 time in 3 months.
- During servicing the silencers of the ventilation system, the integrity of all components, the tightness of the fit and the tightness of the structure should be checked. If the sound-absorbing material is destroyed, the missing pieces must be restored.
Video on cleaning, disinfecting and servicing ventilation:
