WS/T 694-2020 English PDFWS/T 694: Historical versions
Basic dataStandard ID: WS/T 694-2020 (WS/T694-2020)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 (Recommended) 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/T 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 WS 694 -2020 Medical observation and treatment during the new crown pneumonia epidemic Technical requirements for sanitation protection in temporary special places 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 the 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 stadiums, exhibition halls, hotels, schools, etc. during 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, for all dated references, 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 Measures for the Management of Medical Waste in 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 places and article handling places, 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, the area that may be contaminated by patients’ blood, body fluids or pathogenic microorganisms, including medical personnel Staff’s office, treatment room, nurse station, inner corridor, patient's articles and medical equipment processing room, etc. 3.4 Clean area Areas that are not susceptible to contamination by patients' blood, body fluids, pathogenic microorganisms, etc., as well as areas forbidden to enter by patients with infectious diseases, including medical personnel The 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 the treatment of patients with mild new coronary pneumonia4.1 General requirements 4.1.1 Site selection requirements 4.1.1.1 Mainly transform indoor stadiums, exhibition halls, etc. as temporary treatment places (such as square cabin hospitals) for receiving mild patients with new coronary pneumonia. 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 Site buildings should have suitable orientation and meet the basic requirements of safety, lighting, sunshine, ventilation, and fire fighting. 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 shall be operated and used according to the "contaminated area, semi-contaminated area, clean area" and "contaminated passage, clean passage" in general. 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 boiled water. The quality of drinking water should meet the requirements of GB 5749. 4.1.5 Ventilation 4.1.5.1 A mechanical ventilation system shall 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 into areas The domains are independently set up 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 at least 10% greater than the air supply volume. 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, 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 shall 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 direction of the wind 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 feces in the temporary toilet needs to be disinfected by medication 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 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 All toilet feces must be strictly managed in accordance with the requirements of infectious disease hospitals, and direct discharge is strictly prohibited. Use special containers to collect excrement and disinfect 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, with 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, and 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 provisions of "Medical Waste Management Regulations" and "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 removed from food residues, they should be boiled and disinfected for 30 minutes. They can also be soaked in a chlorine-containing disinfectant with 500 mg/L of available chlorine for 30 minutes, and then rinsed with 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, rags, 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 powder 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, vomit, etc. are collected in a special container, and a chlorine-containing disinfectant with effective chlorine 20 000 mg/L is used, according to material and medicine. 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 surface of objects should be disinfected. Available chlorine 5,000 can be used in the container containing the contaminants 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 clean water; the mucous membrane should be rinsed with a large amount of saline or 0.05% iodophor. 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 contaminants are visible to the naked eye, first use hand sanitizer to wash 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 shall be subjected to terminal disinfection. The specific requirements shall be implemented with reference to GB 19193. 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 of cleaning, disinfection, security and other categories should wear work clothes, disposable work caps, 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. 4.3.3 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 of 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, toilets 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 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 in time 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. Put chlorine-containing disinfectants on a regular basis, 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 be standardized and packaged for disposal according to the process. 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 handwashing" 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, 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 Suspect......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of WS/T 694-2020_English be delivered?Answer: Upon your order, we will start to translate WS/T 694-2020_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of WS/T 694-2020_English with my colleagues?Answer: Yes. The purchased PDF of WS/T 694-2020_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version WS/T 694-2020?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version WS/T 694-2020 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
