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WS 694-2020: (Technical requirements for health protection in temporary special places for medical observation and treatment during the new crown pneumonia epidemic)
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(Technical requirements for health protection in temporary special places for medical observation and treatment during the new crown pneumonia epidemic)
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(Technical requirements for health protection in temporary special places for medical observation and treatment during the new crown pneumonia epidemic)
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Basic data | Standard ID | WS 694-2020 (WS694-2020) | | Description (Translated English) | (Technical requirements for health protection in temporary special places for medical observation and treatment during the new crown pneumonia epidemic) | | Sector / Industry | Health Industry Standard | | Classification of Chinese Standard | C51 | | Word Count Estimation | 10,199 | | Date of Issue | 2020-07-20 | | Date of Implementation | 2020-07-20 | | Regulation (derived from) | State-health communication (2020) No. 13 | | Issuing agency(ies) | National Health Commission | WS 694-2020: (Technical requirements for health protection in temporary special places for medical observation and treatment during the new crown pneumonia epidemic)
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Technical requirements for health protection in temporary special places for medical observation and treatment during the new crown pneumonia epidemic)
WS
Issued by the National Health Commission of the People's Republic of China
ICS 11.080
C 51
People's Republic of China Health Industry Standard
Medical observation and treatment during the new crown pneumonia epidemic
Technical requirements for sanitation protection in temporary special places
2020-07 -20 Implementation
2020-07 -20 released
Foreword
All technical content of this standard is mandatory.
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
The main drafting organizations of this standard. China Center for Disease Control and Prevention Environmental and Health Related Product Safety Institute, Huazhong University of Science and Technology, Wuhan
Han City Center for Disease Control and Prevention, Beijing Labor Protection Research Institute.
The main drafters of this standard. Shi Xiaoming, Yao Xiaoyuan, Zhang Liubo, Xu Shunqing, Wang Xianliang, Shen Jin, Wang Jiao, Chen Xiaomin, Pan Li
Jun, Cheng Yibin, Hu Ding, Duan Hongyang, Tang Fei, Li Li, Zhu Tingting.
Temporary special places for medical observation and treatment during the new crown pneumonia epidemic
Health protection technical requirements
1 Scope
This standard specifies general requirements, disinfection measures, and personal protection for temporary special places for medical observation and treatment during the new crown pneumonia epidemic.
Nursing and sanitation management, etc.
This standard is applicable to the renovation of indoor sports venues, exhibition halls, hotels, schools, etc. as the new crown pneumonia epidemic.
Temporary special places such as treatment of patients with symptoms, isolation of suspected patients, and medical observation of close contacts.
2 Normative references
The following documents are indispensable for the application of this document. Among them, all dated reference documents, only dated versions
Applies to this document. For undated references, only the latest version (including all amendments) applies to this document.
GB 5749 Sanitary Standard for Drinking Water
GB 18466 Water Pollutant Discharge Standard for Medical Institutions
GB 19193 General rules for disinfection of foci
GB 50849 Code for architectural design of infectious disease hospitals
WS/T 311 Hospital isolation technical specifications
WS/T 396 Specification for cleaning and disinfection of centralized air conditioning and ventilation systems in public places
Medical Waste Management Regulations
Medical Waste Management Measures for Medical and Health Institutions Former Ministry of Health
Technical Guidelines for Hospital Sewage Treatment Former State Environmental Protection Administration
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Temporary special places
During the new crown pneumonia epidemic, it was transformed into a temporary site for treatment of mild patients, isolation of suspected patients, and medical observation of close contacts.
So.
3.2
Contaminated area
Areas where mild patients and suspected patients receive treatment, and items contaminated by their blood, body fluids, secretions, excreta, etc. temporarily
Storage sites and article handling sites, including wards, disposal rooms, dirt rooms, and patient admission and discharge rooms.
3.3
Semi-contaminated area
Located between the clean area and the contaminated area, areas that may be contaminated by patients’ blood, body fluids or pathogenic microorganisms, including medical personnel
Staff’s office, treatment room, nurse station, inner corridor, items used by patients and medical equipment processing room, etc.
3.4
Clean area
Areas that are not susceptible to contamination by patients’ blood, body fluids and pathogenic microorganisms, as well as areas forbidden to enter by patients with infectious diseases, including medical personnel
Duty room, bathroom, toilet, storage room, etc.
3.5
Two passages
Contaminate channels and clean channels. Contaminated channels include access and transfer channels for mild patients, suspected patients, close contacts, etc.
Clean channels include healthy medical and staff access channels.
4 Temporary special places for patients with mild new coronary pneumonia
4.1 General requirements
4.1.1 Site selection requirements
4.1.1.1 Mainly renovate indoor stadiums, exhibition halls, etc. as temporary treatment places for patients with mild new coronary pneumonia (such as shelter hospitals)
Wait).
4.1.1.2 The site selection should try to avoid high-density residential areas, kindergartens, schools and other crowded activity areas.
4.1.1.3 There should be at least 20 m greening and isolation between the site and surrounding buildings. When there is no greening conditions, its isolation and sanitary distance
Should not be less than 30 m.
4.1.1.4 Set up obvious danger signs on the periphery of the site.
4.1.2 Construction requirements
4.1.2.1 The site building should have a suitable orientation and meet the basic requirements of safety, lighting, sunshine, ventilation, and fire protection.
4.1.2.2 Underground space should not be transformed into such temporary special places.
4.1.3 Functional partition
4.1.3.1 The premises are generally operated and used according to "contaminated area, semi-contaminated area, clean area" and "contaminated passage, clean passage".
The "two channels" should be completely separated.
4.1.3.2 Each partition shall be physically separated and clearly marked.
4.1.3.3 Set up a buffer room between the contaminated area and the semi-contaminated area.
4.1.3.4 The hospital bed area should be divided into beds and men and women. The number of hospital beds in each area should not be more than 50, and the space between beds is 1.2 m
the above. Each bed should be equipped with bedding, bedside tables, storage bins, trash cans and other necessary personal daily necessities.
4.1.4 Water supply
Each hospital bed area should have a separate drinking water supply point, and provide tap water and boiling water. The quality of drinking water should comply with GB 5749
Requirements.
4.1.5 Ventilation
4.1.5.1 A mechanical ventilation system should be installed in the site. The mechanical air supply and exhaust system in the contaminated area, semi-contaminated area, and clean area in the site should be divided by area
The domains are set independently to ensure ventilation in the premises.
4.1.5.2 Clean air should first pass through the clean area, and then flow to the semi-contaminated area and the polluted area.
4.1.5.3 Use natural ventilation or mechanical ventilation in small spaces such as clean areas.
4.1.5.4 Natural ventilation should be used in polluted and semi-polluted areas; when mechanical exhaust ventilation is used in polluted areas, the exhaust air volume should be more than the air supply volume.
10% less.
4.1.5.5 If a centralized air-conditioning system is used in a polluted area, the full-air air-conditioning system should be operated at the maximum fresh air volume and the return air should be turned off as much as possible.
4.1.5.6 Perform weekly inspections on the operating equipment and components of the central air conditioning system, such as cooling towers, air handling units, air outlets, and condensate pans.
Clean, disinfect or replace. Refer to WS/T 396 for cleaning and disinfection technical requirements.
4.1.6 Sewage treatment
4.1.6.1 The drainage pipe should be sealed; the drainage pipe should be well ventilated around it, and it should not be connected to the exhaust pipe of the air conditioning and ventilation system. Drainage requirements
Refer to GB 50849 for execution.
4.1.6.2 Sewage and wastewater in each district should be collected separately and subjected to disinfection and biochemical treatment. Sewage treatment refers to GB 19193 and "Hospital Sewage
The water quality after treatment should meet the requirements of GB 18466.
4.1.6.3 The wastewater from the temporarily set up bathhouses and toilets shall not be discharged directly, and shall be collected and treated separately along with the sewage and wastewater of each district.
4.1.7 Toilet hygiene
4.1.7.1 When patients use temporary toilets, they should use special channels; foam-blocked mobile toilets are preferred. Male toilets are allocated one for every 20 people
One squat position, the female toilet is equipped with one squat position for every 10 people, and should be appropriately increased according to the actual needs of the patient if necessary. Temporary toilet location should be present
The wind direction and the distance from the dining area and water supply point are more than.200 m.
4.1.7.2 The excrement such as patient's feces in the temporary toilet needs to be disinfected with medicine or centralized harmless treatment. Arrange for a special person to administer medicine for disinfection, one
Twice a day. Arrange special excrement removal machinery and equipment for timely removal and transportation of treated excrement.
4.1.7.3 The fixed toilets inside and outside the premises are only used by medical staff.
4.1.7.4 The feces of the toilet must be strictly managed in accordance with the requirements of the infectious disease hospital, and direct discharge is strictly prohibited. Collect excrement in a special container for disinfection
Discharge after treatment, and the disinfection method shall refer to GB 19193.
4.1.7.5 There should be hand washing facilities in the toilet, optional hand sanitizer (or soap), quick-drying hand disinfectant, non-contact dryer, etc. In the sink
Post a diagram of the "six-step handwashing" steps nearby.
4.1.8 Garbage disposal
4.1.8.1 The domestic garbage in the cleaning area is placed in a special garbage bin. Each ward unit is equipped with a special garbage bag covered with medical waste garbage bags.
Trash bin. Garbage should be cleaned up daily or promptly.
4.1.8.2 The disposal of medical waste shall comply with the "Medical Waste Management Regulations" and the "Medical Waste Management Measures of Medical and Health Institutions".
4.2 Disinfection measures
4.2.1 Surface disinfection
When there are visible contaminants on the surface of medical facilities and equipment, bed fences, bedside tables, public tables and chairs, public door handles, etc., you should first
Completely remove contaminants and then disinfect. When there are no visible contaminants, use a chlorine-containing disinfectant with effective chlorine 1,000 mg/L or 500 mg/L two
The chlorine oxide disinfectant is sprayed, wiped or soaked for disinfection, and rinsed with clean water after 30 minutes of action.
4.2.2 Disinfection of meal (drinking) utensils
After the food (drinking) utensils are cleaned of food residues, they should be boiled for 30 minutes, or they can be immersed in a chlorine-containing disinfectant with 500 mg/L of available chlorine for 30 minutes.
After that, rinse with clean water.
4.2.3 Disinfection of contaminants (patient blood, secretions and vomit)
4.2.3.1 A small amount of pollutants can be dipped with disposable water-absorbing materials (such as gauze, wipes, etc.) with effective chlorine 5 000 mg/L～10 000 mg/L
Chlorine disinfectant (or disinfectant wipes/dry wipes that can achieve high levels of disinfection) be carefully removed.
4.2.3.2 A large number of pollutants should be completely covered with disinfectant or bleaching powder containing water-absorbing ingredients, or after being completely covered with disposable absorbent materials
Use a sufficient amount of available chlorine 5 000 mg/L～10 000 mg/L of chlorine-containing disinfectant to pour on the absorbent material for more than 30 minutes (or reach
To a high-level disinfection dry towel), carefully remove it. Avoid contact with pollutants during the cleaning process, and the cleaned pollutants are classified as medical waste
Centralized disposal.
4.2.3.3 The patient’s secretions, vomits, etc. are collected in special containers, and a chlorine-containing disinfectant solution with effective chlorine 20 000 mg/L is used.
The ratio of 1.2 is soaked and disinfected for 2 hours.
4.2.3.4 After the pollutants are removed, the contaminated environment or the surface of objects should be disinfected. Available chlorine 5,000 can be used in containers containing pollutants
Soak and disinfect with mg/L chlorine-containing disinfectant for 30 minutes, and then clean it.
4.2.4 Skin and mucous membrane disinfection
When the skin is contaminated by pollutants, the pollutants should be removed immediately, and then 0.5% iodophor or 3% hydrogen peroxide should be dipped with disposable absorbent material
The disinfectant should be wiped and disinfected for more than 3 minutes, and cleaned with water; the mucous membrane should be washed with a large amount of normal saline or washed with 0.05% iodophor
poison.
4.2.5 Hand hygiene
All personnel involved in on-site work should strengthen hand hygiene measures. Alcohol-containing quick-drying hand disinfectant or alcohol compound quick-drying hand disinfectant can be selected,
Or directly wipe and disinfect with 75% ethanol. Those who are allergic to alcohol can choose effective non-alcoholic hand disinfectants such as quaternary ammonium salts. Special bar
Under the condition, you can also use 3% hydrogen peroxide disinfectant, 0.5% iodophor or 0.05% chlorine disinfectant to wipe or soak your hands, and extend it appropriately.
Long disinfection time. When there are visible contaminants, first use hand sanitizer to wash your hands under running water, and then disinfect according to the above methods.
4.2.6 Terminal disinfection
After the temporary special place is terminated, the articles and environment in the place should be terminally disinfected. For specific requirements, refer to GB 19193
carried out.
4.3 Personal protection
4.3.1 Equipped with protective equipment and facilities
Temporary special places should be equipped with masks, gloves, protective clothing, protective face screens, etc. for medical care, cleaning, disinfection, and security staff.
Goggles, hand disinfectants, first aid supplies, etc., and place and facilities for putting on and taking off protective clothing.
4.3.2 Worker protection
4.3.2.1 Medical staff should wear overalls, disposable work caps, disposable gloves, protective clothing, and medical protection when they are on duty.
Protective masks, medical protective visors or goggles, shoe covers, etc.
4.3.2.2 Workers in cleaning, disinfection, security and other categories should wear work clothes, disposable work caps, and
Disposable gloves, protective clothing, medical protective masks or powered air filter respirators, protective visors or goggles, work shoes or rubber boots,
Waterproof boot covers, etc.
4.3.2.3 During the work period, people should reduce conversations, avoid gatherings, and do good hand hygiene.
4.3.3 Patient protection
Wear a mask, avoid close contact, and do good hand hygiene.
4.4 Hygiene management
4.4.1 Strengthen environmental sanitation
The internal and external environment of the temporary special place should be kept clean, free of mosquitoes, cockroaches, rodents, etc. breeding.
4.4.2 Maintain hygiene in the canteen
Routinely clean the operating table, the surface of various objects and the ground daily, and use a chlorine-containing disinfectant with 500 mg/L of effective chlorine or other
Effective disinfectant disinfection. Disposable tableware should be used for meals, and cold dishes should be avoided.
4.4.3 Anti-skid ground
Anti-skid measures should be taken in temporary special places; if the floors of corridors, toilets, bathing rooms, washrooms and other areas in the place are not anti-skid
For treatment, temporary non-slip mats should be laid.
5 Temporary special places for isolation of suspected patients with new coronary pneumonia
5.1 General requirements
5.1.1 Site selection requirements
Mainly transform community health service centers and township health centers as isolation places for receiving suspected patients with new coronary pneumonia.
Refer to 4.1.1.2 for site selection requirements.
5.1.2 Functional partition
5.1.2.1 The site is divided into "contaminated area, semi-contaminated area, clean area" and "contaminated passage, clean passage", and is used in districts.
5.1.2.2 Set up a buffer room between the contaminated area and the semi-contaminated area. The installation requirements shall be implemented according to WS/T 311.
5.1.2.3 Suspected patients shall be isolated in a single room, and shall not leave the room without permission during the isolation period.
5.1.3 Ventilation
5.1.3.1 The windows should be opened regularly to ventilate, to enhance air circulation, and adjust timely according to weather conditions; or install exhaust equipment to enhance exhaust.
Install circulating air disinfection machine when possible.
5.1.3.2 When using an air conditioning system, a split air conditioner should be selected. When using split air conditioners, open windows for ventilation (ventilation
30 min or more), the exhaust fan in the bathroom is always on.
5.1.4 Sewage and excrement treatment
There should be an independent septic tank. Sewage should be disinfected before entering the municipal drainage network. Regularly put in chlorine disinfectant, and
Ensure that the total residual chlorine content reaches 10 mg/L after disinfection for 1.5 hours, and the sewage after disinfection should meet the requirements of GB 18466.
If there is no separate septic tank, use a special container to collect the excrement, and then discharge it after disinfection. The disinfection method refers to GB 19193.
5.1.5 Garbage disposal
The household garbage of suspected patients should be collected uniformly and treated as medical waste. The disposal of medical waste should follow the "Medical Waste Management Regulations"
"Regulations" and "Medical Waste Management Measures for Medical and Health Institutions" require that the use of double-layer yellow medical waste collection bags is standardized and packaged according to the process
Dispose of.
5.1.6 Hand washing facilities
Public areas and patient rooms should be equipped with hand washing facilities, hand sanitizer (or soap), quick-drying hand disinfectant, non-contact drying
Dryer etc. Post the "six-step hand-washing" step diagram near the sink.
5.2 Disinfection measures
Places should be cleaned and disinfected, including countertops, floors, door handles and other surfaces, as well as hands, skin, and mucous membranes.
Refer to 4.2 for poison method.
When a suspected patient isolated in the room is replaced, the items and environment in the room should be subjected to terminal disinfection according to GB 19193.
5.3 Personal protection
5.3.1 Equipped with protective equipment and facilities
Temporary special places should be equipped with masks, protective clothing, gloves, protective face screens, etc. for medical care, cleaning, disinfection, security and other staff.
Goggles, hand disinfectant and first aid supplies, etc. Set up places and facilities for putting on and taking off protective clothing.
5.3.2 Worker protection
Refer to 4.3.2 for personal protection of site staff.
5.3.3 Suspected patient protection
Wear masks, reduce the scope of activities, reduce exposure to public goods and facilities, and strengthen hand hygiene.
6 Temporary special places for medical observation of close contacts
6.1 General requirements
6.1.1 Site selection requirements
6.1.1.1 Mainly transform hotels, schools, etc. as temporary special places for receiving close contacts for medical observation.
6.1.1.2 The site should be a multi-storey single-family building.
6.1.1.3 The site selection and other neighboring buildings should set at least 20 m greening and isolation sanitary distance; neighboring buildings should not include densely populated areas and people
In densely populated places (such as residential areas, commercial centers, primary and secondary schools, and places where young children and the elderly gather); priority is given to suburban hotels,
School etc.
6.1.2 Construction requirements
Refer to 4.1.2.
6.1.3 Functional partition
6.1.3.1 The medical observation area for close contacts shall be separated from the working area of staff, and the passage for close contacts shall be separated from the passage for staff.
And partition operation and use.
6.1.3.2 Each partition shall be physically separated and clearly marked.
6.1.4 Water supply
The quality of drinking water should meet the requirements of GB 5749.
6.1.5 Pollution and wastewater treatment
6.1.5.1 There should be a trap under the basin in the guest room, and the floor drain in the bathroom should have a water seal.
6.1.5.2 The condensed water of split air conditioners should be collected or drained to the floor drain of the bathroom.
6.1.5.3 Independent septic tanks and sewage discharge tanks shall be set up; sewage shall be treated according to 5.1.4 before entering the municipal drainage network. disinfect
The rear sewage shall meet the requirements of GB 18466.
6.1.6 Ventilation
6.1.6.1 The windows should be opened regularly for ventilation and adjusted according to weather conditions; or mechanical exhaust equipment should be installed to enhance air circulation.
6.1.6.2 When using an air conditioning system, a split air conditioner should be selected. Before using the split air conditioner, open the window for 30 minutes to ventilate, and then turn on the air conditioner.
Adjust to the maximum air volume and run for more than 10 minutes to close the doors and windows; after the split-type air conditioner is turned off, open the windows for ventilation. At full
Under the premise that the indoor temperature is suitable, the windows should be kept incompletely closed when the air conditioner is running.
6.1.7 Garbage disposal
6.1.7.1 The domestic garbage of close contacts shall be collected uniformly and treated as domestic garbage. When a close contact turns into a suspected patient or is diagnosed,
The domestic garbage produced is treated as medical waste.
6.1.7.2 The disposal of medical waste shall comply with the "Medical Waste Management Regulations" and the "Medical Waste Management Measures of Medical and Health Institutions".
6.1.8 Hand washing facilities
Refer to 5.1.6.
6.2 Disinfection measures
6.2.1 Surface disinfection
Guest rooms should be cleaned and disinfected by close contacts themselves. For high-frequency contact surfaces (such as desktops, bedside tables, furniture, door handles)
Etc.), spray or wipe regularly with a chlorine-containing disinfectant of 500 mg/L of available chlorine or other effective disinfectants.
Public areas and external environment should be cleaned and disinfected by staff. To the surface of high-frequency contact objects (such as elevator buttons, handrails, doors
Handles, etc.), public toilets, use chlorine-containing disinfectant with 500 mg/L of effective chlorine or other effective disinfectants to wipe regularly.
6.2.2 Disinfection of meal (drinking) utensils
Refer to 4.2.2.
6.2.3 Hand hygiene
Refer to 4.2.5.
6.2.4 Terminal disinfection
When close contacts are diagnosed with the new coronavirus and leave the medical observation site, professionals will check the items and environment in the site
Refer to GB 19193 for terminal disinfection.
6.3 Personal protection
6.3.1 Worker protection
6.3.1.1 When medical staff perform sample collection, epidemiological investigation, psychological comfort, etc., refer to 4.3.2.1 for protection.
6.3.1.2 Room service staff should wear overalls, medical protective masks and disposable gloves during their on-the-job period, and wear protective clothing when necessary
Face shield or goggles. Work clothes should be kept clean and washed regularly. When symptoms such as fever, cough, etc. appear, make timely decisions according to regulations
Order a hospital for medical treatment, and wear a mask on the way to and in the hospital.
6.3.1.3 Reduce personnel conversations during work, avoid gatherings, and do good hand hygiene.
6.3.2 Protection of close contacts
Mainly move in the isolation room to strengthen hand hygiene. Wear a mask when passing through public areas to avoid contact with public goods outside the room
And facilities.
6.4 Hygiene management
6.4.1 There should be no traces of sputum in the public areas of the premises, no debris, no sanitary corners in the corridor, and no dust on the handrails of the stairs.
6.4.2 There should be no sput...
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