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Basic dataStandard 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 ForewordAll 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 requirements1 ScopeThis 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 referencesThe 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 Administration3 Terms and definitionsThe 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 pneumonia4.1 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 pneumonia5.1 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 pe...... |
