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The first article in order to prevent the spread of airborne diseases in public places to protect public health, according to "People's Republic of China Disease Prevention Law," "public health regulations" and "public health emergency emergency regulations" to develop this Method.
The second approach applies to health management in public places, central air conditioning and ventilation systems. Air conditioning system in the implementation of other places with reference to this approach.

Air conditioning system (hereinafter referred to as central air conditioning ventilation system) shall conform to Article public places "public places, central air conditioning ventilation system health norms" and the relevant health standards.

Public places operators should take measures to ensure that this places, air conditioning systems conform to the requirements.

Article IV of the new air conditioning system should come directly from the outdoor air is prohibited to draw fresh air from the room, corridor and ceiling ceiling, etc. indirectly.

New outlet should stay away from building air vents, open cooling towers and other sources, and set up safety net and pre-filter.

Return air outlet and rodent control devices should be set up, and regularly clean and maintain the surface clean air.

Article should be kept within the air conditioning room clean, dry, non-store extraneous items.

Article central air conditioning ventilation system should have the following facilities:

(A) Emergency shut down return air and fresh air of the device;

(B) control the air conditioning system separation unit area operations;

(C) air purification and disinfection equipment;

(D) for air duct system cleaning, disinfecting openable windows.

Article VII of new construction, renovation and expansion of the air conditioning system should be air-borne disease prevention health evaluation can be put into operation after the evaluation is passed.

Has been put into operation, air conditioning system once every two years, its air-borne disease prevention health evaluation, can continue to run after the evaluation is passed.

Hygienic Evaluation should be consistent with "public places, central air conditioning ventilation system health evaluation" requirement.

Article VIII, air conditioning system should be kept clean and free of pathogenic microbial contamination, and regular cleaning in accordance with the following requirements:

(A) open cooling tower cleaning at least once a year;

(B) air filters, filters and purifiers checked or replaced once every six months;

(C) air handling units, coolers, heating (wet), a drain pan, such as cleaning once a year;

(Iv) cleaning the duct system should be in line with central air conditioning ventilation system cleaning specifications.

To carry out central air conditioning ventilation system cleaning professional bodies should have professional and technical personnel, equipment, technology, and the "public places, central air conditioning and ventilation system cleaning norms" requirements.

Article IX operators of public places should do a good job in accordance with the provisions hereof central air conditioning ventilation system health management, establish and improve the central air conditioning ventilation system health management systems, regularly carry out inspection, testing and maintenance, and the establishment of specialized archives.

Files should include the following:

(A) Health assessment report;

(B) the cleaning, disinfection and data records;

(C) regular health inspection and maintenance records;

(Iv) air-conditioning failure, accidents and other special circumstances record;

(E) air conditioning system built drawings;

(Vi) prevention of airborne diseases contingency plans.

Article X prevent airborne disease emergency plan should include the following:

(A) after the occurrence of airborne diseases centralized air conditioning and ventilation systems responsible for emergency treatment;

(B) the different air zonal isolation control measures, the maximum fresh air or fresh air to run the program, cleaning air-conditioning systems, disinfection methods;

(3) other measures after the closure of ventilation and temperature control air conditioning system should be taken.

Article XI of the following circumstances, operators of public places should be immediately air conditioning system for cleaning and disinfection, until testing after evaluation standards, it can run:

(A) cooling water, condensed water detection of Legionella pneumophila;

(B) air supply detected Legionella pneumophila, b - hemolytic streptococcus and other pathogenic microorganisms;

(C) duct dust detected pathogenic microorganisms;

The total number of bacterial surface (4) the duct centimeters more than 100 colony forming units per square;

Total number of surface fungus (e) Duct cm greater than 100 colony forming units per square;

(F) the amount of dust in the air duct surface is greater than 20 grams per square meter;

(Vii) hygiene evaluation shows that other cases need to be cleaned and disinfected.

Article XII when the air-borne disease outbreaks in the region, public places, operators should start prevention of airborne diseases contingency plans in accordance with the requirements of the health administrative departments.

Central air conditioning ventilation system meets the following requirements before it can continue to run:

(A) adopt a new way of running the wind;

(B) equipped with an air purification and disinfection equipment, and ensure the effective operation of the device;

(C) air fan coil air conditioning systems, to ensure that each separate ventilated room.

Centralized air conditioning and ventilation system does not meet the above requirements should be discontinued immediately, hygienic evaluation and report to take to continue disabled partially executed or other ventilation and other measures in accordance with hygienic evaluation.

Article XIII when the air-borne disease outbreaks in the region, operators of public places should run weekly air conditioning system in the following equipment or parts for cleaning, disinfection or replaced.

(A) open cooling tower;

(B) filters, filter, purifier, air;

(C) air handling units;

(Iv) coolers, heating (wet), a drain pan and so on.

Condensate and cooling water, and the replaced parts in the air conditioning system should be disinfected prior to disposal.

Article XIV air conditioning system in causing or could cause the air-borne disease, public places, the operator shall close the air conditioning system in the area concerned, and in accordance with the requirements of the local disease prevention and control institutions and central air conditioning in public places ventilation system disinfection. Air conditioning system disinfection treatment, hygiene evaluation after passing the re-enabled.

Article XV above the county level health administrative departments responsible for the situation in this area of public areas to supervise the implementation of this approach.

Local health administrative departments above the county level shall regularly supervise and inspect the following:

(A) the case of operators of public places, implementation of this approach;

(B) air conditioning system in the implementation of professional cleaning agency "public places, central air conditioning and ventilation system cleaning norms";

(C) hygiene rating agencies perform "public places, central air conditioning ventilation system health evaluation practices".

Article XVI health administrative departments found in the performance of duties of supervision and inspection of central air conditioning ventilation system does not meet the requirements, should be ordered to improve; being ordered to still improve and be publicized.

One of the following circumstances, health authorities may take pause, air conditioning system operation, require disinfection and other control measures:

(A) When the air-borne disease outbreaks in the region, central air conditioning and ventilation system does not meet the requirements;

(B) air conditioning system in causing or likely to cause air-borne epidemics;

(C) has been tested and found to centralized air conditioning system there are significant risks.

Article XVII of the violation of the provisions of the operators of public places, the local health administrative departments above the county level were punished according to "People's Republic of China Disease Prevention Act" and relevant provisions of the "public health regulations".

Article XVIII "public places, central air conditioning ventilation system health norms," "public places, central air conditioning ventilation system health evaluation norms", "public places, central air-conditioning duct system cleaning norms" developed and published by the Ministry of Health.

  Article XIX term implications of this approach are as follows:

Air conditioning system: to make a room or enclosed space air temperature, humidity, cleanliness and air flow rate and other parameters to achieve the set of requirements, centralized air handling, transport, distribution of all equipment, piping and accessories, instrumentation sum.

Duct System: Central air conditioning and ventilation system for processing and conveying air duct, air, air handling units and other parts.

Air-borne diseases: the air as the main route of transmission of the disease.

Article 20 Prior to the promulgation and implementation of this approach has been put into operation, air conditioning system does not comply with the provisions of Article 6 shall, from the date of implementation of this approach to meet the requirements within one year.

Article 21 The present Measures shall go into effect March 1, 2006.