MindMap Gallery Summary of the contents of General Hospital Architectural Design Code GB 51039-2014
The content of "General Hospital Architectural Design Code" GB 51039-2014 is sorted out. This code is formulated to standardize the architectural design of general hospitals, meet the functional needs of medical services, and meet the requirements of safety, hygiene, economy, applicability, energy saving, and environmental protection.
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"Building Design Code for General Hospitals" GB 51039-2014
1General principles
1.0.1 This specification is formulated in order to standardize the architectural design of general hospitals, meet the functional needs of medical services, and meet the requirements of safety, hygiene, economy, applicability, energy saving, and environmental protection.
1.0.2 This code applies to the architectural design of newly built, renovated and expanded general hospitals.
1.0.3 Medical technology should be determined according to the hospital’s construction scale, management model, and department settings. Hospital architectural design should meet medical technology requirements.
1.0.4 In addition to complying with this code, the architectural design of general hospitals should also comply with the relevant current national standards.
2 terms
2.0.1 general hospital general hospital
A hospital with a certain number of beds, divided into various departments such as internal medicine, surgery, gynecology, pediatrics, ophthalmology, otolaryngology, pharmacy, testing, radiology and other medical technology departments, and has corresponding personnel and equipment.
2.0.2 Medical process Medical process
Matching of medical procedures and medical equipment, and allocation of other related resources.
2.0.3 Medical flows
Procedures and links of medical services.
2.0.4 Emergency throughput
The emergency department of the hospital has the medical capability to admit emergency patients at the same time.
2.0.5 Hospital hygiene Hospital hygiene
Maintaining the hygienic status of key hospital departments, the main task is to prevent infection and the harm of harmful gases and chemical substances.
2.0.6 Hygiene passing through
Use measures such as changing shoes, changing clothes, and showering to control the purification process of people and items from non-clean areas to clean areas.
2.0.7 Intensive Care Unit
Independent professional care medical units in hospitals, usually intensive care units (ICU), cardiovascular care units (CCU), and neonatal intensive care units (NICU) derived from ICU.
3Medical process design
3.1 General provisions
3.1.1 Medical process design should determine the medical business structure, function and scale, as well as related medical processes, medical equipment, technical conditions and parameters.
3.1.2 Medical process design should include preliminary design and condition design. The preliminary design should meet the needs of preparing feasibility study report, design brief and architectural scheme design. The condition design should be completed simultaneously with the preliminary design of the hospital building, and should be coordinated with the deepening and improvement process of the architectural design. At the same time, it should meet the needs of the preliminary design and construction drawing design of the hospital building.
3.1.3 The medical process flow should be divided into processes between medical functional units in the hospital and processes within each medical functional unit.
3.1.4 The division of medical functional units should comply with the provisions of Table 3.1.4.
3.2 Medical process design parameters
3.2.1 Medical process design parameters should be studied and determined according to the requirements of different hospitals. When there is no relevant data, the following requirements should be met:
1. The number of outpatient clinics can be calculated based on the average number of outpatient clinic visits per day/(50 to 60 patients);
2 The number of first aid beds can be calculated based on the first aid throughput;
3. A nursing unit should have 40 to 50 beds;
4. The number of operating rooms should be one for every 50 beds or every 25 to 30 surgical beds;
5. The number of intensive care unit (ICU) beds should be set at 2% to 3% of the total number of beds;
6. The number of cardiovascular angiography machines can be measured by the annual average number of cardiovascular angiography or interventional treatments/(3 to 5 cases × number of working days per year);
When the number of people taking X-rays reaches 40 to 50 per day, one X-ray machine can be installed;
When the number of gastrointestinal fluoroscopy cases reaches 10 to 15 on the 8th day, one gastrointestinal fluoroscopy machine can be installed;
9. When the number of chest X-rays per day reaches 50 to 80, one chest X-ray machine can be installed;
When the number of ECG examinations reaches 60 to 80 people in 10 days, one ECG examination room can be set up;
When the number of abdominal B-ultrasounds reaches 40 to 60 on the 11th, one abdominal B-ultrasound machine can be installed;
When the number of cardiovascular color Doppler ultrasounds reaches 15 to 20 on the 12th, one cardiovascular Doppler ultrasound machine can be installed;
When the number of examinations on the 13th reaches 10 to 15 cases, a duodenal fiber endoscope can be installed.
3.2.2 The outpatient volume of each department should be determined based on hospital statistical data. When there is no statistical data, it can be determined according to Table 3.2.2.
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3.2.3 The number of inpatient beds in each department should be determined based on hospital statistical data. When there is no statistical data, it can be determined according to Table 3.2.3.
▼ Expand the provisions
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4Site selection and general plan
4.1 Site selection
4.1.1 The location selection of a general hospital should comply with the requirements of local town planning, regional health planning and environmental assessment.
4.1.2 Base selection should meet the following requirements:
1. Convenient transportation, should face 2 urban roads;
2 It is easy to use urban infrastructure;
3. The environment should be quiet and away from pollution sources;
4. The terrain should be regular and suitable for the functional layout of the hospital;
5. Stay away from the production and storage areas of flammable and explosive items, and away from high-voltage lines and their facilities;
6. It should not be close to places with intensive activities for children and children;
7 It should not pollute or affect other areas of the city.
4.2 General plane
4.2.1 The overall layout design should meet the following requirements:
1 Functional zoning should be carried out rationally, and the circulation lines for cleaning, doctors and patients, people and vehicles should be clearly organized, and the risk of nosocomial infection should be avoided;
2. The building layout is compact, the transportation is convenient, and it should be easy to manage and reduce energy consumption;
3. The environment of rooms used for hospitalization, surgery, functional examination, teaching and research, etc. should be ensured to be quiet;
4. Wards should have good orientation;
5. There should be land available for development, reconstruction, and expansion;
6. There should be a complete greening plan;
7 Make proper arrangements for waste disposal and comply with relevant environmental protection laws and regulations.
4.2.2 There should be no less than two entrances and exits to the hospital, and the personnel entrances and exits should not also serve as corpse or waste exits.
4.2.3 Vehicle parking spaces should be provided near the entrances of outpatient clinics, emergency rooms and inpatient rooms.
4.2.4 Morgues and pathological anatomy rooms should be located in hidden areas of the hospital. When an incinerator is required, it should be protected from the influence of wind direction and should be isolated from the main building. Corpse transport routes should avoid intersecting with routes to and from hospital.
4.2.5 Environmental design should meet the following requirements:
1 Make full use of terrain, protective distances and other open spaces to arrange green landscapes, and there should be dedicated green spaces for patients’ rehabilitation activities;
2. Comprehensive design should be done for greening, landscape, building interior and exterior spaces, environment, and indoor and outdoor signage and guidance systems;
3. In the pediatric room and near its entrance, environmental design should be adopted that is consistent with children’s physiological and psychological characteristics.
4.2.6 The distance between the front and back of the ward building should meet the requirements for sunlight and sanitary distance, and should not be less than 12m.
4.2.7 No employee residences shall be built on medical land. When medical land is adjacent to employee residential land, it should be separated and separate entrances and exits should be provided.
5Architectural design
5.1 General provisions
5.1.1 The layout, structural form and electromechanical design of the main building should create conditions for future development, transformation and flexible separation.
5.1.2 The setting of building entrances and exits should meet the following requirements:
1 Barrier-free entrances and exits should be set up separately for outpatient clinics, emergency departments, first aid and hospitalization;
2. There should be a parking platform for motor vehicles and an awning at the main entrances and exits of outpatient clinics, emergency rooms, first aid and hospitalization.
5.1.3 An identification system with guidance, management and other functions should be set up and should meet the following requirements:
1 The identification system can be implemented in a variety of ways;
2 The classification of sign guidance should be set according to Table 5.1.3.
5.1.4 The installation of elevators should comply with the following regulations:
1. Medical buildings on the second floor should be equipped with elevators; medical buildings on the third floor and above should be equipped with elevators, and there should be no less than 2 elevators.
2. Elevators and waste ladders for patients should use hospital bed ladders.
3. The inpatient department of the hospital should add passenger elevators for medical staff and special freight elevators for food delivery and waste.
4 The elevator shaft should not be adjacent to buildings that require quietness.
5.1.5 The setting of stairs should meet the following requirements:
1. The location of stairs should simultaneously comply with the requirements for fire protection, evacuation and functional zoning;
2 The width of the main staircase shall not be less than 1.65m, the tread width shall not be less than 0.28m, and the height shall not be greater than 0.16m.
5.1.6 The clear width of the channel for passing the push bed should not be less than 2.40m. Those with height differences should be connected with ramps, and the slope of the ramp should be designed as a barrier-free ramp.
5.1.7 More than 50% of the wards’ sunlight exposure should comply with the relevant provisions of the current national standard “General Principles for Design of Civil Buildings” GB 50352.
5.1.8 Outpatient clinics, emergency rooms and wards should make full use of natural ventilation and natural lighting.
5.1.9 The indoor clear height should meet the following requirements:
1. The examination room should not be lower than 2.60m;
2. The ward should not be lower than 2.80m;
3. Public walkways should not be lower than 2.30m;
4. Medical technology departments should be determined based on needs.
5.1.10 The thermal requirements of hospital buildings should comply with the relevant provisions of the current national standard "Energy-saving Design Standard for Public Buildings" GB 50189.
5.1.11 The allowable noise level and sound insulation of wards should comply with the provisions of the current national standard "Code for Design of Sound Insulation for Civil Buildings" GB 50118.
5.1.12 Interior decoration and protection should meet the following requirements:
1 The floors, skirting boards, dados, walls, and ceilings of medical buildings should be easy to clean or flush, and their yin and yang corners should be rounded. The baseboards and dados should be flush with the wall.
2. The interior decoration of rooms with high hygienic requirements in hospitals such as operating rooms, laboratory departments, central laboratories and pathology departments should meet the requirements of easy cleaning and corrosion resistance.
3. The operating surfaces of laboratory departments, central laboratories and pathology departments should use corrosion-resistant, easy-to-wash, and flame-resistant surfaces. Relevant sinks and drainage pipes should also be made of corrosion-resistant materials.
4. The formulation room, medicine storage room, central pharmacy, and medicine warehouse of the Pharmacy Department should all take measures to prevent moisture, insects, and rats.
5 Morgues and pathological anatomy rooms should take measures to prevent insects, birds, rats and other animals from invading.
5.1.13 The setting of the bathroom should meet the following requirements:
1 The plane size of the toilet cubicle used by patients should not be less than 1.10m × 1.40m. The door should open outwards and the door latch should be able to be opened from the inside out. An infusion hook should be installed in the toilet cubicle.
2. The sitting toilet seat used by patients should be of a type that is not easily contaminated and easy to disinfect. There should be no height difference when entering the squatting toilet compartment. A safety grab bar should be installed next to the toilet.
3. The bathroom should have a front room and hand-washing facilities without manual switches.
4. When using an outdoor toilet, it is advisable to use a corridor to connect it to the outpatient and ward buildings.
5. It is advisable to set up toilets dedicated to gender-neutral and barrier-free patients.
6 The barrier-free facilities and design of barrier-free special toilets and public toilets should comply with the relevant provisions of the current standard "Barrier-free Design Code" GB 50763.
5.1.14 Medical waste and domestic waste should be disposed of separately.
5.2 Rooms for outpatient department
5.2.1 The outpatient department should be located near the transportation entrance of the hospital and adjacent to the medical and technical rooms. The relationship between various departments in the outpatient department should be well handled. The flow lines should be reasonable and nosocomial infections should be avoided.
5.2.2 The outpatient room setting should meet the following requirements:
1 The public part should be equipped with rooms such as entrance hall, registration, inquiry, medical records, pre-examination and triage, accounting, charging, pharmacy, waiting room, blood collection, examination, infusion, injection, outpatient office, toilet and other public facilities to serve patients;
2. Each department should set up examination rooms, treatment rooms, nurse stations, sewage rooms, etc.;
3. Dressing room, treatment room, debridement room, X-ray examination room, functional examination room, duty dressing room, sundry storage room, toilet, etc. can be set up.
5.2.3 The setting of waiting rooms should meet the following requirements:
1. Outpatient clinics should be divided into different departments for waiting. If the outpatient volume is small, the waiting list can be divided into different departments;
2. When using the corridor to wait on one side, the clear width of the corridor should not be less than 2.40m; when waiting on both sides, the clear width of the corridor should not be less than 3.00m;
3. Methods such as separate doctor-patient channels, electronic calling, appointment registration, and hierarchical registration fees can be adopted.
5.2.4 The setting of diagnosis and examination rooms should meet the following requirements:
1. The net size of the double-person examination room shall not be less than 3.00m, and the usable area shall not be less than 12.00m2;
2 The net size of the single-person examination room should not be less than 2.50m, and the usable area should not be less than 8.00m2.
5.2.5 The facilities for gynecology, obstetrics and family planning should meet the following requirements:
1 It should be a self-contained area with separate entrances and exits.
2 The gynecology department should add isolation clinics, gynecological examination rooms and special toilets. It is advisable to adopt a combination of no more than 2 clinics sharing one gynecological examination room.
3 Obstetrics and family planning departments should add rest rooms and special toilets.
4 The gynecology department can add operating rooms and rest rooms; the obstetrics department can add abortion operating rooms and consultation rooms.
5. Each room should have measures to block the outside view.
5.2.6 The setting of pediatric rooms should meet the following requirements:
1 It should be a self-contained area with separate entrances and exits.
2. Additional rooms should be added for pre-examination, waiting room, special toilet for pediatrics, isolation examination and isolation toilet. The quarantine area should have a separate external exit.
3. Registration, pharmacy, injection, examination and infusion rooms can be set up separately.
4. The waiting area should not be less than 1.50m2 per patient.
5.2.7 The otolaryngology department room settings should meet the following requirements:
1. Rooms for endoscopy (including esophagoscopy, etc.) and treatment should be added;
2 Rooms for surgery, audiometry, vestibular function, endoscopy (including bronchoscopy, esophagoscopy, etc.) can be set up.
5.2.8 The setting of ophthalmology rooms should meet the following requirements:
1. Additional rooms should be added for initial examination (vision, intraocular pressure, refraction), diagnosis, treatment, examination, darkroom, etc.;
2 The initial examination room and examination room should be equipped with light and dark switching devices;
3. A dedicated operating room should be set up.
5.2.9 The setting of the dental department room should meet the following requirements:
1. Additional rooms should be added for X-ray examination, restoration, disinfection and washing, orthopedics, etc.;
2 The distance between the center of each chair in the examination unit should not be less than 1.80m, and the distance between the center of the chair and the wall should not be less than 1.20m;
3. Good ventilation should be considered in the restoration room;
4 A data room can be set up.
5.2.10 The setting of outpatient surgery rooms should meet the following requirements:
1. The outpatient surgery room can be combined with the operating department;
2 The outpatient surgery room should consist of an operating room, a preparation room, a dressing room, a postoperative rest room and a waste room. The plane size of the operating room should not be less than 3.60m×4.80m.
5.2.11 The outpatient bathroom settings should meet the following requirements:
1. The bathroom should be calculated based on the daily outpatient volume, and the ratio of male to female patients should be 1:1;
2. Men’s restrooms should have no less than one toilet and no less than one urinal for every 100 people;
3. The number of toilets in women's restrooms should not be less than 3 for every 100 people;
4 It should be set up in accordance with the requirements of Article 5.1.13 of this specification.
5.2.12 The settings of preventive and health care rooms should meet the following requirements:
1. Rooms should be provided for education, archives, children's health care, women's health care, immunization, dressing, office, etc.;
2. A room for psychological consultation can be added.
5.3 Emergency Department Rooms
5.3.1 The emergency department setting should meet the following requirements:
1 It should be a self-contained area with separate entrances and exits to facilitate the parking of emergency vehicles, stretcher trucks, and wheelchairs;
2. Set up emergency and emergency response zones;
3. The emergency department should have convenient connections with the outpatient department, medical technology department, and operating department;
4. When setting up a helipad, there should be quick access to the emergency department.
5.3.2 The emergency room setting should meet the following requirements:
1. Rooms for admission and triage, nurse station, infusion, observation, cleaning, sundry storage, on-duty dressing, toilet and other rooms should be provided;
2 The emergency department should have rooms for rescue, rescue and monitoring;
3. The emergency department should have rooms for diagnosis, treatment, debridement, dressing change, etc.;
4. Rooms for registration, charging, medical records, pharmacy, examination, X-ray examination, functional examination, surgery, intensive care, etc. can be set up independently;
5 The infusion room should be composed of a treatment room and an infusion room.
5.3.3 When the foyer is also used for triage function, its area should not be less than 24.00m2.
5.3.4 The rescue room setting should meet the following requirements:
1. The first aid room should be directly connected to the foyer and, if possible, the emergency vehicle parking space. The area should not be less than 30.00m2 per bed, and the clear width of the door should not be less than 1.40m;
2 Pipeline system terminals for oxygen, suction and other medical gases should be installed.
5.3.5 The clear distance between observation beds arranged in parallel in the rescue care room should not be less than 1.20m. When separated by hanging curtains, the clear distance should not be less than 1.40m. The clear distance between the bed edge and the wall should not be less than 1.00m.
5.3.6 The setting of the observation room should meet the following requirements:
1. The clear distance between observation beds arranged in parallel should not be less than 1.20m. When separated by hanging curtains, it should not be less than 1.40m. The clear distance between the bed edge and the wall should not be less than 1.00m;
2 An isolation observation room or isolation unit can be set up, and a separate entrance and exit should be set up. A buffer zone and on-site disinfection facilities should be set up at the entrance;
3. Pipeline system terminals for oxygen, suction and other medical gases should be installed.
5.4 Infectious disease outpatient rooms
5.4.1 The digestive tract, respiratory tract and other infectious disease clinics should be in their own area, and separate entrances and exits should be set up.
5.4.2 The infection clinic should set up functional rooms for triage, admission, registration, payment, pharmacy, examination, diagnosis, isolation observation, treatment, changing of medical staff, buffers, special toilets and other functional rooms according to the specific circumstances.
5.5 Rooms in the inpatient department
5.5.1 The inpatient department should be a self-contained area with separate or shared entrances and exits. It should be located in a quiet area of the hospital with convenient transportation. It should have convenient connections with the medical technology department, operating department and emergency department, and should be close to The hospital’s energy center, nutritional kitchen, laundry room and other auxiliary facilities.
5.5.2 The setting of rooms for entry and exit should meet the following requirements:
1. Rooms for registration, settlement, and patient visiting management should be set up;
2. Public facilities that can be set up to serve patients.
5.5.3 The scale of each nursing unit should comply with the provisions of Article 3.2.1 of this specification. Specialty wards or the needs of teaching and research can be determined according to specific circumstances. When setting up an infectious disease ward, it should be set up separately and form its own area.
5.5.4 The layout of the nursing unit should meet the following requirements:
1. Rooms for wards, rescue, patient and medical staff toilets, washrooms, bathrooms, nurses' stations, doctors' offices, disposal, treatment, dressing, duty, catering, warehouses, sewage and other facilities should be provided;
2. Rooms can be provided for patients’ meals, activities, dressing changes, patient family conversations, visits, and teaching.
5.5.5 The ward setting should meet the following requirements:
1 The arrangement of hospital beds should be parallel to the lighting window wall. A single row should not exceed 3 beds, and a double row should not exceed 6 beds;
2 The clear distance between two parallel beds should not be less than 0.80m, and the clear distance between the bed edge and the wall of a hospital bed against the wall should not be less than 0.60m;
3 The clear width of the aisle for single-row hospital beds should not be less than 1.10m, and the clear width of the aisle for double-row hospital beds (bed end) should not be less than 1.40m;
4. Ward doors should open directly to the aisle;
5. The rescue room should be close to the nurse station;
6. The clear width of the ward door should not be less than 1.10m, and the door leaf should be equipped with an observation window;
7 Handrails and anti-collision facilities should be provided on the walls on both sides of the ward corridor.
5.5.6 The nurse station should be connected to the corridor of the nursing unit through an open space, and should be connected to the treatment room through a door. The nurse station should have a clear view of the corridor of the nursing unit, and the distance to the farthest ward door should not exceed 30m.
5.5.7 The pantry should be close to the entrance of the dining car and should have boiling water and heating facilities.
5.5.8 Bathrooms, bathrooms and toilets in nursing units should meet the following requirements:
1 When the bathroom is located in the ward, it is appropriate to set up a separate bathroom for visitors in the nursing unit.
2 When the nursing unit has centralized bathrooms, the ratio of male to female patients should be 1:1, and the male bathroom should have 1 toilet and 1 urinal for every 16 beds. There should be 3 toilets for every 16 beds in the women's bathroom.
3. Bathrooms for medical staff should be set up separately.
4. Set up nursing units in centralized washrooms and bathrooms. There should be one wash faucet and shower for every 12 to 15 beds, and each nursing unit should have no less than two. Bathrooms and shower rooms should have a front room.
5 The bathroom, toilet area and number of sanitary ware attached to the ward should be determined according to the usage requirements, and emergency call facilities and infusion hooks should be installed.
6 Bathrooms in barrier-free wards should be set up in accordance with the requirements of Article 5.1.13 of this specification.
5.5.9 The sewage room should be adjacent to the sewage outlet, and should be equipped with toilet emptying facilities and washing and disinfecting facilities for bedpans and sputum cups.
5.5.10 There should be no open garbage shaft in the ward.
5.5.11 The setting of the monitoring room should meet the following requirements:
1 The intensive care unit (ICU) should be close to the operating department and emergency department, and should have quick connections;
2 The cardiovascular care unit (CCU) should be close to the emergency department and interventional therapy department, and should have quick connections;
3. Rooms for intensive care unit, treatment, treatment, equipment, nurse station, sewage treatment, etc. should be provided;
4. The position of the nurse station should be convenient for direct observation of patients;
5 The clear distance between beds in intensive care beds should not be less than 1.20m;
6 The single-bed room should not be less than 12.00m2.
5.5.12 The layout of pediatric wards should meet the following requirements:
1. It is appropriate to set up milk distribution room, milking equipment sterilization room, isolation ward, special toilet and other rooms;
2 Can be equipped with intensive care unit, neonatal ward and children's activity room;
3 Each isolation ward should not have more than 2 beds;
4. Bathroom and toilet facilities should be suitable for children;
5 Safety protection measures should be taken for facilities such as windows and radiators.
5.5.13 The room layout of obstetrics and gynecology wards should meet the following requirements:
1 The gynecology department should have rooms for examination and treatment.
2 The obstetrics department should have rooms for prenatal examination, labor waiting room, delivery room, isolation waiting room, isolation delivery room, peripartum monitoring, and delivery room. The isolation room for waiting for labor and the isolation room for delivery can be used simultaneously.
3. When gynecology and obstetrics are combined into one unit, the gynecology ward, treatment room, bathroom, and toilets and the obstetrics rest room, prenatal examination room, bathroom, and toilets should be set up separately.
4. The obstetric department should have an operating room.
5 The delivery room should be a separate area, and a sanitary passage, bathroom and toilet should be provided at the entrance.
6. The delivery room should be adjacent to the delivery room and should have a dedicated toilet.
7 The net dimensions of the delivery room should be 4.20m×4.80m, and the cesarean section operating room should be 5.40m×4.80m.
8 The location of the hand sink should allow medical staff to observe the movements of laboring mothers while washing their hands.
9 Mother and baby rooming-in or family delivery rooms should have a sanitary pass for family members and should be separated from other areas.
10 The beds in family delivery rooms should be beds that can be converted into delivery beds.
5.5.14 The setting of the baby room should meet the following requirements:
1 should be adjacent to the delivery room;
2. Baby rooms, baby washing pools, milk distribution rooms, milk sterilization rooms, isolation baby rooms, isolation baby washing pools, nurses' rooms and other rooms should be provided;
3. The baby room should face south, and should have an observation window, and measures should be taken to prevent rats, mosquitoes and flies, etc.;
4. The baby bath should be adjacent to the baby room. The height of the faucet from the ground should be 1.20m, and measures should be taken to prevent steam from escaping into the baby room;
5. The milk preparation room and milking equipment sterilization room should not be shared with the nurse's room.
5.5.15 The layout of the burn ward should meet the following requirements:
1. It should be located in a location with good environment and clean air. It can be located at the end of the surgical nursing unit. It should be relatively independent or set up alone;
2. Rooms should be provided for dressing changes, bathing, single isolation wards, key care wards, dedicated toilets, nurses' rooms, washing and disinfection, and storage of disinfectants;
3. Sanitary passages for medical staff including changing shoes, changing clothes, toilets and showers should be provided at the entrance;
4. Dedicated treatment rooms and clean wards can be set up.
5.5.16 The room layout of the hematology ward should meet the following requirements:
1 The hematology ward can be located in the internal medicine nursing unit or can be its own area. Clean wards can be set up as needed, and the clean wards should be in their own area.
2 The clean ward should be equipped with preparation, patient bathroom and toilet, nurse room, washing and disinfection room, and purification equipment room.
3. Sanitary passages for medical staff including changing shoes, changing clothes, toilets and showers should be provided at the entrance.
4 The patient bathroom and toilet can be set up separately, and should be equipped with both a shower and a bidet.
5. The clean ward should be used by only one patient. The cleanliness standards should comply with the provisions of Article 7.5.4 of this specification, and a second shoe-changing and dressing area should be set up at the entrance.
6. Observation windows should be set up in clean wards, as well as viewing windows for family members and intercom equipment.
5.5.17 The room settings of the hemodialysis room should meet the following requirements:
1. It can be located in the outpatient department or inpatient department and should be its own area;
2. Rooms should be provided for patients to change shoes and clothes, dialysis, isolation dialysis treatment, treatment, rewashing, waste disposal, medication dispensing, water treatment equipment, etc.;
3. There should be a hygienic passage for medical staff to change shoes and clothes at the entrance;
4 The clear distance between treatment beds (chairs) should not be less than 1.20m, and the clear distance between channels should not be less than 1.30m.
5.6 Housing for Reproductive Medicine Center
5.6.1 The reproductive medicine center should be equipped with rooms for diagnostic examination, B-ultrasound, sperm retrieval, egg retrieval, in vitro fertilization, embryo transfer, examination, gynecological endocrinology measurement and sperm bank.
5.6.2 The reproductive medicine center can have rooms for imaging examinations, genetic examinations, etc.
5.6.3 The egg retrieval room, in vitro fertilization laboratory, and embryo transfer room should meet the hospital hygiene requirements.
5.7 Operating room
5.7.1 The environmental requirements of the operating department should comply with the relevant provisions of the current national standard "Hospital Disinfection and Hygiene Standards" GB 15982. The operating department should be divided into general operating departments and clean operating departments. The clean operating department should be in accordance with the current national standard "Hospital Disinfection and Hygiene Standards". Designed in accordance with the relevant provisions of GB 50333 "Technical Specifications for Construction of Clean Surgery Departments".
5.7.2 The location and layout of the operating room should meet the following requirements:
1. The operating department should be its own area, which should be adjacent to the surgical nursing unit, and should be conveniently connected to the relevant emergency department, interventional therapy department, intensive care department (ICU), pathology department, central (disinfection) supply room, blood bank, etc.;
2. The operating department should not be located on the first floor;
3. The floor plan should comply with the functional flow and clean and dirty zoning requirements;
4. There should be a sanitary pass for medical staff at the entrance, and measures should be taken at the shoe-changing area to prevent the cross-over of cleanliness and contamination;
5 Doors leading to the outside should use spring doors or automatic opening and closing doors.
5.7.3 The layout of the operating room should comply with the following regulations:
1. Rooms should be provided for operating room, hand brushing, postoperative recovery, bed changing, nurse room, anesthesiologist's office, shoe changing, men's and women's dressing, men's and women's bathrooms and toilets, sterile article storage, cleaning, disinfection, dirt and warehouse, etc. ;
2. Clean operating room, surgical preparation room, plaster room, frozen section, dressing production, anesthesia equipment storage, teaching, medical rest, male and female duty and family waiting rooms can be provided.
5.7.4 The plane dimensions of the operating room should meet the following requirements:
1 The plane dimensions of the operating room should be selected according to needs, and the plane dimensions should not be less than those specified in Table 5.7.4.
2. Every two to four operating rooms should have a separate hand washing room, which can be located in the corridor of the clean area. There should be no door in the toilet room. The hand washing room in the clean operating room shall not be shared with the ordinary operating room. There should be no less than 2 hand washing faucets in each operating room, and non-manual switches should be used.
5.7.5 The clear width of the operating room door through which the bed passes should not be less than 1.40m, and an automatic opening and closing device should be installed. The operating room can use natural light sources or artificial lighting. When natural light sources are used, the ratio of the window opening area to the floor area should not be greater than 1/7, and sunshade measures should be taken.
5.7.6 The basic facilities in the operating room should meet the following requirements:
1. The number of viewing lights can be configured according to the size and type of the operating room. The viewing lights should be installed on the wall opposite the surgeon;
2. The length of the operating table should be arranged along the long axis of the operating room, and the center point of the table should correspond to the center point of the operating room floor. The patient's head should not be placed on the side of the operating room door;
3. The net height should be 2.70m~3.00m;
4 Set up medical gas terminal devices;
5. Take anti-static measures;
6. There should be no exposed pipelines;
7 The suspended ceiling and hanging parts should be fixed, and no manholes should be opened on the suspended ceiling;
8. There should be no floor drain in the operating room.
5.8 Radiology Department Rooms
5.8.1 The location and layout of the radiology department should meet the following requirements:
1 It should be set up on the ground floor and should be in its own area, and should be arranged adjacent to the door, emergency department and inpatient department, and have convenient connections;
2 When possible, patient passages and medical staff passages should be set up separately.
5.8.2 The room settings should meet the following requirements:
1. Radiology equipment rooms (CT scanning room, fluoroscopy room, radiography room), control, darkroom, film viewing, film registration and storage, and waiting rooms should be provided;
2. Rooms for clinics, offices, patient dressing rooms, etc. can be set up;
3. The gastrointestinal fluoroscopy room should be equipped with a barium adjustment room and a dedicated toilet.
5.8.3 The trench depth, ground elevation, floor height, entrances and exits, indoor environment, mechanical and electrical facilities, etc. in the computer room should be determined according to the installation and use requirements of medical equipment.
5.8.4 The minimum net size of the photography room should be 4.50m×5.40m, and the minimum net size of the fluoroscopy room should be 6.00m×6.00m.
5.8.5 The clear width of the door of the radiation equipment room should not be less than 1.20m, and the clear height should not be less than 2.80m. The clear width of the door of the computed tomography (CT) room should not be less than 1.20m. The clear width of the door of the control room should not be less than 1.20m. The clear width should be 0.90m.
5.8.6 The clear width of the observation windows of the fluoroscopy room and CT room should not be less than 0.80m, and the clear height should not be less than 0.60m. The clear width of the observation window in the photo studio should not be less than 0.60m, and the clear height should not be less than 0.40m.
5.8.7 The protection design should comply with the current national regulations on health protection standards for medical X-ray diagnosis.
5.9 Magnetic resonance examination room space
5.9.1 The location setting of the magnetic resonance examination room should meet the following requirements:
1. It should be in its own area or form an area with the radiology department. It should be adjacent to the outpatient department, emergency department, and inpatient department, and should be located on the ground floor;
2. Avoid interference from electromagnetic waves and moving magnetic fields.
5.9.2 The room setting should meet the following requirements:
1. Scanning, control, and auxiliary machine rooms (computers, power distribution, air conditioners) and other rooms should be provided;
2. Rooms for clinics, offices and patient dressing rooms can be set up.
5.9.3 The scanning room should be equipped with electromagnetic shielding, helium exhaust and cooling water supply facilities. Mechanical and electrical ducts should not pass through the scanning room.
5.9.4 The clear width of the scanning room door should not be less than 1.20m, and the clear width of the control room door should be 0.90m, which should allow the equipment to pass through. The clear width of the observation window in the magnetic resonance scanning room should not be less than 1.20m, and the clear height should not be less than 0.80m.
5.9.5 The materials and structures used in the walls, floors, doors, windows, openings, embedded bodies, etc. of the magnetic resonance diagnostic room should be shielded according to the equipment requirements and special shielding regulations. After selecting the location of the computer room and before determining the shielding measures, the natural field strength should be measured.
5.10 Radiation therapy department rooms
5.10.1 The radiotherapy room should be located on the ground floor, in its own area, and should comply with the relevant national protection standards. The treatment room should be centralized.
5.10.2 The room setting should meet the following requirements:
1 Treatment room (post-installation machine, cobalt 60, linear accelerator, gamma knife, deep X-ray therapy, etc.), control, treatment planning system, simulation positioning, physical planning, mold room, waiting room, nursing, clinic, doctor's office, and bathroom should be provided , changing rooms (separate for doctors and patients), cleaning and solid waste storage;
2 Rooms for consultation and duty can be provided.
5.10.3 The noise in the treatment room should not exceed 50dB(A).
5.10.4 Labyrinths should be provided at the entrances and exits of cobalt 60 treatment rooms, accelerator treatment rooms, γ-knife treatment rooms and post-installation treatment rooms, and the direction of useful wire beam irradiation should avoid irradiation on the labyrinth wall as much as possible. The clear width of the protective door and labyrinth should meet the equipment requirements.
5.10.5 The protection should be designed in accordance with the current national regulations on close range health protection standards for post-installed gamma sources, design protection requirements for gamma teletherapy rooms, health protection standards for medical electron accelerators, and health protection standards for medical X-ray therapy.
5.11 Nuclear Medicine Department Rooms
5.11.1 The location and layout of the Department of Nuclear Medicine should meet the following requirements:
1 It should be its own area and should comply with the current national protection standards. Radioactive sources should have separate entrances and exits.
2 The layout should be divided into zones in the order of "control area, supervision area, and non-restricted area".
3. The control area should be located at the end, and should have facilities for storing and transporting radioactive materials and processing radioactive waste.
4 Sanitary passages should be provided at the entrances and exits of non-restricted areas into the supervision area and control area.
5.11.2 The room setting should meet the following requirements:
1 The non-restricted area should be equipped with rooms such as waiting rooms, clinics, doctors’ offices and bathrooms;
2 The supervision area should be equipped with rooms for scanning, functional measurement and exercise load testing, as well as a dedicated waiting area and toilet;
3. The control area should be designed with rooms for dosage, medication, injection, reagent preparation, sanitary passage, source storage, dispensing, labeling and washing.
5.11.3 Nuclear medicine rooms should be designed in accordance with the current national regulations on health protection standards for clinical nuclear medicine.
5.11.4 Solid waste and wastewater should be treated and discharged in accordance with the current national regulations on health protection standards for medical radioactive waste management.
5.11.5 The protection should be designed in accordance with the current national regulations on health protection standards for clinical nuclear medicine.
5.12 Interventional treatment room
5.12.1 The location and layout of interventional treatment rooms should meet the following requirements:
1. It should be its own area and should have convenient connections with the emergency department, surgery department, and cardiovascular care unit;
2 Clean areas and non-clean areas should be separated.
5.12.2 The room setting should meet the following requirements:
1. Cardiovascular imaging machine room, control room, mechanical room, hand washing preparation, sterile items, treatment, dressing and toilet rooms should be provided;
2 Rooms for office, consultation, duty, nursing and information can be set up.
5.12.3 Interventional therapy users should meet the requirements for medical equipment installation and indoor environment.
5.12.4 The protection should be designed according to the equipment requirements and the current national regulations on health protection standards for medical X-ray diagnosis.
5.13 Laboratory room
5.13.1 The location and layout of the laboratory room should meet the following requirements:
1. It should be a separate area, and microbiological inspection should be arranged with other inspection zones;
2 The microbiology laboratory should be located at the end of the laboratory department.
5.13.2 The room setting should meet the following requirements:
1. Rooms for clinical examination, biochemical examination, microbiological examination, blood experiment, cell examination, serum immunity, washing, reagent and material library should be set up;
2 Rooms for dressing, duty and office use can be provided.
5.13.3 The laboratory department should be equipped with fume hoods, instrument rooms (cabinets), reagent rooms (cabinets), anti-vibration platforms, and facilities for storing valuable drugs and highly toxic drugs.
5.13.4 A transfer window should be set up between the inoculation room and the culture room for bacterial testing.
5.13.5 The laboratory department should be equipped with washing facilities, and special washing and disinfection facilities should be provided for bacterial testing. Each laboratory should be equipped with a washing tank with a non-manual switch. Disposal and disinfection facilities should be provided for inspection specimens.
5.13.6 Emergency eyewash stations and showers should be provided near hazardous chemical reagents.
5.13.7 The width of the passage between laboratory workstations should not be less than 1.20m.
5.14 Pathology department rooms
5.14.1 The pathology room should be in its own area and should be easily connected with the operating department.
5.14.2 The pathological anatomy room should be built together with the morgue, and should be connected to the morgue by an inner door, and should have staff changing and showering facilities.
5.14.3 The room setting should meet the following requirements:
1. Rooms for material collection, specimen processing (dehydration, dyeing, wax embedding, slicing), film making, microscopic examination, washing and disinfection and sanitary passage should be set up;
2 Rooms for pathological anatomy and specimen storage can be set up.
5.15 Functional examination department room
5.15.1 The ultrasound, electrophysiology, and pulmonary function examination rooms should be divided into separate areas, and should be conveniently connected with the outpatient department and inpatient department.
5.15.2 The functional examination department should have examination rooms (pulmonary function, electroencephalogram, electromyography, cerebral blood flow diagram, electrocardiogram, ultrasound, etc.), treatment, doctor's office, treatment, patient and medical staff dressing and toilets, etc. Use room.
5. 15.3 The clear distance between examination beds should not be less than 1.50m, and partition facilities should be provided.
5.15.4 The cardiac exercise stress examination room should be equipped with an oxygen terminal.
5.16 Endoscopy room
5.16.1 The location and layout of the endoscopy department room should meet the following requirements:
1. It should be in its own area and have convenient connections with the outpatient department;
2 Each examination room should be set up separately. The upper and lower gastrointestinal tract examination rooms should be set up separately.
5.16.2 The room setting should meet the following requirements:
1 Rooms should be provided for endoscopy (upper gastrointestinal tract endoscopy, lower gastrointestinal endoscopy, bronchoscopy, choledochoscopy, etc.) inspection, preparation, handling, waiting, rest, toilets, dressing rooms for patients and medical staff, etc. Toilets and enema rooms should be set up for lower gastrointestinal tract examinations.
2 An observation room can be set up.
5.16.3 The examination room should be equipped with a viewing light fixed on the wall, and should be equipped with a medical gas system terminal.
5.16.4 Endoscope washing and disinfection facilities should be set up in the endoscopy department area, and upper and lower gastrointestinal endoscopes should be set up separately.
5.17 Physiotherapy room
5.17.1 The physical therapy department can be located in the outpatient department or inpatient department and should be its own area.
5.17.2 The design of the physical therapy department should comply with the relevant provisions of the current industry standard "Code for Architectural Design of Nursing Homes" JGJ 40.
5.18 Rooms for the blood transfusion department (blood bank)
5.18.1 The location and layout of the blood transfusion department (blood bank) should meet the following requirements:
1. It should be in its own area and should be adjacent to the operating department;
2. Blood storage and blood matching rooms should be set up separately.
5.18.2 The blood transfusion department should be equipped with rooms for blood matching, blood storage, bleeding, cleaning, disinfection, dressing, toilets, etc.
5.19 Pharmacy room
5.19.1 The location and layout of the pharmacy department room should meet the following requirements:
1. Outpatient pharmacies, emergency pharmacies and inpatient pharmacies should be set up separately;
2. The medicine storehouse and the Chinese medicine decoction place should have separate rooms;
3. Outpatient and emergency pharmacies should have Chinese and Western pharmacies respectively;
4. Pediatric and infectious disease outpatient clinics should have separate drug distribution offices.
5.19.2 The room setting should meet the following requirements:
1 The outpatient pharmacy should have rooms for dispensing, dispensing, medicine storage, office, duty and dressing rooms;
2 The inpatient pharmacy should be equipped with rooms for medicine display, medicine storage, medicine dispensing, office, duty and dressing rooms;
3. Traditional Chinese medicine pharmacies should be equipped with a Chinese patent medicine library, a Chinese herbal medicine library and a decoction room;
4. Rooms for first-level medicine warehouse, office, duty and bathroom can be provided.
5.19.3 The middle distance of the medicine dispensing window should not be less than 1.20m.
5.19.4 Warehouses for valuable drugs, highly toxic drugs, narcotics, limited-edition drugs, and storage areas for flammable and explosive drugs should have safety facilities.
5.20 Center (disinfection) supply room space
5.20.1 The location and layout of the central (disinfection) supply room should meet the following requirements:
1 It should be its own area and should be easily connected with functional rooms such as the operating department, intensive care and interventional therapy;
2 It should be arranged according to three areas: contaminated area, clean area and sterile area, and should be arranged according to one-way process. The auxiliary room for staff should be in its own area;
3 Personnel entering the contaminated area, clean area and sterile area should pass through hygienically.
5.20.2 The room setting should meet the following requirements:
1 The contaminated area should be equipped with rooms for collection, classification, cleaning, disinfection and cart cleaning center (disinfection);
2. The clean area should be equipped with rooms for dressing preparation, equipment preparation, sterilization, quality inspection, disposable supplies warehouse, sanitary materials warehouse and equipment warehouse;
3 The sterile area should be equipped with a storage room for sterile items;
4. Office, duty, dressing, bathroom, toilet and other rooms should be provided.
5.20.3 The central (disinfection) supply room should meet the requirements for cleaning, disinfection, sterilization, equipment installation, and indoor environment.
5.21 Nutritional Kitchen
5.21.1 The location and layout of the nutritional kitchen should meet the following requirements:
1. It should be a self-contained area, which should be adjacent to the ward and have convenient communication channels with it;
2 The pantry and dining car parking room (location) should have facilities for washing and disinfecting dining cars;
3. The steam, noise and smell of the nutritional kitchen should be avoided from disturbing the ward;
4 The floor plan should comply with food processing procedures.
5.21.2 The nutritious kitchen should be equipped with rooms for staple food production, non-staple food production, staple food cooking, non-staple food washing and cutting, cold meat and cooked food, Hui stove, warehouse, catering, dining car storage, office and dressing rooms.
5.22 Laundry room
5.22.1 The location and layout of the laundry room should meet the following requirements:
1. It should be its own area and should be laid out according to the process flow;
2 The entrance for dirty clothes and the outlet for clean clothes should be set up separately;
3. It is advisable to set up separate dressing rooms, bathrooms and toilets;
4 Laundries located on the ground floor or underground of the ward floor should avoid noise interference in the ward;
5 The laundry of staff and patients should be handled separately;
6. When laundry uses socialized services, collection, sorting, storage, and distribution offices should be set up.
5.22.2 The laundry room should be equipped with rooms for receiving, sorting, soaking and disinfecting, washing, drying, ironing, sewing, storage, distribution and changing.
5.23 Morgue
5.23.1 The location and layout of the morgue should meet the following requirements:
1. It should be constructed independently or placed on the underground floor of the inpatient room;
2 The anatomy room should have a door leading to the morgue;
3 The capacity of the corpse cabinet should be calculated as no less than 1% to 2% of the total number of hospital beds.
5.23.2 The morgue should be equipped with rooms for morgues, farewells, anatomy, specimens, duty, dressing, toilets, instruments, washing and disinfection, etc.
5.23.3 There should be refrigeration facilities for storing corpses, and the height of the lower edge of the corpse storage drawer on the highest floor should not be greater than 1.30m.
5.23.4 The morgue should be set up to avoid the impact of smell on the building where it is located.
5.24 Fire prevention and evacuation
5.24.1 The fire resistance grade of hospital buildings should not be lower than Level 2.
5.24.2 Fire protection zones shall meet the following requirements:
1 The fire protection zoning of hospital buildings should be combined with the building layout and functional zoning.
2 In addition to determining the area of the fire protection zone according to the fire resistance grade and building height of the building, the fire protection zone on each floor of the ward should also be subdivided according to the area size and evacuation routes. When there are 2 or more nursing units on the same floor, a Class B fire door should be installed at the entrance of the unit leading to the public walkway.
3. When the outpatient hall in a high-rise building is equipped with an automatic fire alarm system and an automatic fire extinguishing system and is decorated with non-combustible or refractory materials, the maximum allowable building area of the above-ground fire protection zone should be 4000m2.
4. When the operating department in a hospital building is equipped with an automatic fire alarm system and is decorated with non-combustible or refractory materials, the maximum allowable building area of the above-ground fire protection zone should be 4000m2.
5 Wards, delivery rooms, operating departments, rooms for precision and valuable medical equipment, etc. in the fire protection zone should be separated from other parts by non-combustible bodies with a fire resistance rating of not less than 2.00h.
5.24.3 Safety exits should meet the following requirements:
1 Each nursing unit should have 2 safety exits in different directions;
2. For terminal nursing units or treatment rooms that are self-contained, the distance from the farthest room door to the external safety exit and the distance from the farthest point in the room to the door do not exceed the requirements of the building design fire protection regulations. , can set up 1 safety exit.
5.24.4 Medical buildings should be equipped with evacuation instructions, and emergency lighting should be installed in evacuation aisles and stairwells.
5.24.5 The central oxygen supply room should be kept away from heat sources, fire sources and flammable and explosive sources.
6Water supply and drainage, fire protection and sewage treatment
6.1 General provisions
6.1.1 When a hospital is newly built, expanded or renovated, unified planning and design should be carried out for water supply, drainage, fire protection and sewage treatment projects within the hospital area.
6.1.2 Water supply and drainage pipes should not pass overhead in clean rooms, strong and weak electrical rooms, and rooms for important medical equipment. Leakage prevention measures should be taken when they must pass through.
6.2 Supply water
6.2.1 The quality of domestic water supply in hospitals should comply with the relevant provisions of the current national standard "Hygienic Standards for Drinking Water" GB 5749.
6.2.2 The hospital’s domestic water consumption quota should comply with the provisions of Table 6.2.2.
Note: 1 The water consumption of medical staff includes routine medical water used in operating rooms, central supply and other hospitals;
2 The water used for roads and greening should be determined according to local climate conditions.
6.2.3 Boiler water and supplementary water for the chiller cooling circulating water system should be determined according to the process.
6.2.4 For the water supply in burn wards, central (disinfection) supply rooms and other places, water supply points should be set up according to the hospital’s technological requirements.
6.2.5 Non-manual switches should be used at water points in the following places, and measures should be taken to prevent sewage from splashing out:
1. Wash basins, urinals and toilets in public restrooms;
2. Wash basins in nurse stations, treatment rooms, central (disinfection) supply rooms, intensive care units and other rooms:
3. Wash basins in delivery rooms, surgical hand basins, sterile rooms, hematology wards, burn wards and other rooms;
4. Wash basins in clinics, laboratory and other rooms;
5 Sanitary utensils in places with sterility requirements or to prevent nosocomial infections.
6.2.6 Water points using non-manual switches should meet the following requirements:
1. Wash basins in public restrooms should use automatic sensor faucets, urinals should use automatic flush valves, and squat toilets should use foot-operated self-closing flush valves or sensor flush valves.
2. Wash basins in rooms such as nurse stations, treatment rooms, clean rooms, disinfection supply centers, intensive care units and burn wards should use induction automatic, knee-operated or elbow-operated switch faucets.
3. Sensor automatic faucets should be used for wash basins in delivery rooms, surgical hand basins, clean sterile rooms, blood wards, burn wards and other rooms.
4 For sanitary utensils in places with sterility requirements or to prevent nosocomial infections, faucets or flush valves should be selected in accordance with paragraphs 1 to 3 of this article.
6.3 Drainage
6.3.1 Domestic sewage in the dormitory area of the hospital should be discharged directly into the urban sewage drainage pipeline. If conditions permit, ordinary domestic sewage in the hospital area can be directly discharged into the urban sewage drainage pipeline.
6.3.2 The following places should adopt independent drainage systems or indirect discharge, and should meet the following requirements:
1. Sewage from infectious disease outpatient departments and wards should be collected and treated separately;
2 Radioactive wastewater should be collected and treated separately;
3 Dental wastewater should be collected and treated separately;
4 Boiler wastewater, disinfection condensate from the central (disinfection) supply room, etc. should be collected separately and a cooling pool or cooling well should be set up;
5 Corrosive chemical reagents used in analytical tests should be collected separately and should be comprehensively treated before being discharged into the sewage pipes in the hospital area or recycled;
6. The drainage pipes of other medical equipment or facilities should use indirect drainage;
6.3.3 The indoor toilet drainage system should meet the following requirements:
1. When the building height exceeds 2 floors and it is a dark bathroom or the building height exceeds 10 floors, the drainage system of the bathroom can use a special ventilation riser system;
2. When the horizontal drainage pipe in a public toilet exceeds 10.00m or there are more than three toilets, a circular ventilation pipe should be used;
3. The length of the drainage branch pipe of toilet appliances should not exceed 1.50m;
4. Bathtubs should take anti-siphon measures.
6.3.4 The diameter of the drainage pipes in the central (disinfection) supply room, traditional Chinese medicine processing room, dental department and other places should be 1 to 2 levels larger than the calculated diameter and not less than 100.00mm. The diameter of the branch pipe should not be less than 75 .00mm.
6.3.5 Pipes that discharge radioactive sewage should use machine-made lead-containing cast iron pipes. The horizontal horizontal pipes should be laid in the cushion or in a special radiation-proof ceiling. The risers should be installed in concrete with a wall thickness of not less than 150.00mm. Inside the pipe well.
6.3.6 The water seal height of the water trap shall not be less than 50.00mm and shall not be greater than 100.00mm.
6.3.7 The installation of hospital floor drainage and floor drains should meet the following requirements:
1 Floor drains should be installed in rooms with frequent water flow, such as bathrooms and air-conditioning machine rooms;
2 Floor drains should be installed in rooms where water flow may occur in the bathroom;
3. For seasonal ground drainage such as air-conditioning machine rooms, as well as medical buildings that need to discharge flushing floors and flushing wastewater, openable sealed floor drains should be used;
4 The floor drain should be a water-sealed straight-through floor drain with a filter and a water trap. The water flow capacity of the floor drain should meet the requirements for ground drainage;
5. When there is a wash basin near the floor drain, the drainage from the wash basin should be used to replenish the water seal of the floor drain.
6.4 Hot water
6.4.1 The domestic hot water consumption quota and calculated temperature of the hospital should meet the following requirements:
1. The domestic hot water consumption quota of the hospital should comply with the provisions of Table 6.4.1, and the medical water consumption should be determined according to the process;
2 The temperature of hot water for medical use should be determined according to the process, and the temperature of hot water for other purposes should be designed at 60°C.
6.4.2 Waste heat and solar energy should be used as energy sources for hospital domestic hot water systems. When using solar energy or heat pumps, other auxiliary energy sources that can be automatically controlled should be used.
6.4.3 The water heater of the hot water system should use elastic tube bundles, floating coil volume or semi-volume water heaters with no dead water area and high efficiency.
6.4.4 The number of hot water preparation equipment in the hospital's hot water system should not be less than 2. When one equipment is under maintenance, the remaining equipment should be able to supply more than 60% of the designed water consumption.
6.4.5 The outlet water temperature of the water heater of the domestic hot water system should not be lower than 60°C, and the system return water temperature should not be lower than 50°C.
6.4.6 When the pressure difference between cold and hot water supply exceeds 0.02MPa, a balance valve should be installed.
6.4.7 When the water point for a shower or bathtub adopts a cold and hot mixed water temperature control device, the outlet water temperature of the water point should not be greater than 49°C at any time.
6.4.8 Any water point in the hot water system should produce hot water within 5 to 10 seconds after turning on the water switch.
6.4.9 The faucet of the centralized hand washing sink in the operating department should use constant temperature water supply, and the end temperature can be adjusted. The water supply temperature should be 30°C ~ 35°C.
6.4.10 The water supply of the baby bath should prevent burns or frostbite and should be at a constant temperature. The terminal temperature can be adjusted. The water supply temperature should be 35°C to 40°C.
6.5 Drinking water
6.5.1 Drinking water can be supplied in the following ways:
1 When using a piped direct drinking water system, the water supply points should be dispersed as needed.
2 When steam indirect heating is used, the steam boiling water boilers should be set up centrally. Potable water is supplied to nursing units and departments.
3. When using an electric water boiler, it can be installed on the floor, nursing unit, or department.
4. When using bottled water dispensers, the water supply points should be dispersed as needed.
6.5.2 When using steam water boilers and electric water boilers, filters and check valves should be installed before the tap water enters the water boiler.
6.5.3 When using a piped direct drinking water system, the following requirements should be met:
1 The water source of piped direct drinking water should comply with the current national standards "Hygienic Standards for Drinking Water" GB 5749 and "Purified Drinking Water Quality Standards" CJ 94 and other requirements.
2. Pipeline direct drinking water treatment should meet the process flow requirements (Figure 6.5.3). The last stage of membrane filtration should use a membrane with a pore size of 0.20 μm ~ 0.45 μm.
3. Circulating water supply system should be used for direct drinking water from pipes. The flow rate of return water pipe should be 1.00m/s ~ 1.50m/s. The return water should be membrane filtered and disinfected before use. The maximum length of the blind pipe at the end of the pipe network should not exceed 0.50m.
4 The effective volume of the pipeline direct drinking water storage tank should not be less than 1.2 times the maximum daily water consumption.
5. A water quality analysis room should be set up, and drinking water quality analysis should be conducted no less than twice per shift.
6.5.4 Drinking water equipment and faucets should be installed in rooms or places with good sanitary conditions and ventilation, and should not be installed in public toilets.
6.6 Preparations and medicinal waters
6.6.1 The quality of preparations and medical water should meet the requirements of medical technology.
6.6.2 Preparation devices for preparations and medical water should be installed in rooms or places with good hygiene and ventilation conditions.
6.7 Fire protection
6.7.1 The layout of indoor fire hydrants should meet the following requirements:
1 The arrangement of fire hydrants should ensure that two water jets reach any position at the same time. Fire hydrants should be arranged near the stairway.
2 The fire hydrant in the operating department should be installed near the stairwell or corridor in the clean area. When it must be installed in a clean area, it should meet the hygiene requirements of the clean area.
3 The nurse station should be equipped with a fire hose reel.
6.7.2 The installation of automatic sprinkler fire extinguishing system shall meet the following requirements;
1. Except for places that react violently with water or are not suitable for fire fighting, sprinkler nozzles should be installed in buildings according to the actual situation such as the degree of danger caused by fire and the difficulty of fighting fire;
2. Quick response sprinklers should be used in wards;
3. Concealed sprinklers should be used for cleaning the operating department and cleaning corridors.
6.7.3 Gas fire extinguishing devices should be installed in the hospital’s valuable equipment rooms, medical record rooms and information center (network) rooms.
6.7.4 Automatic fire extinguishing systems should not be installed in hematology wards, operating rooms and equipment rooms for invasive examinations.
6.8 Wastewater treatment
6.8.1 Medical wastewater discharge should comply with the relevant provisions of the current national standard "Water Pollutant Discharge Standard for Medical Institutions" GB 18466, and should meet the following requirements:
1 When medical sewage is discharged into urban drainage pipes with urban sewage treatment plants, disinfection treatment processes should be used;
2 When medical sewage is discharged directly or indirectly into natural water bodies, secondary biochemical sewage treatment technology should be used;
3 Medical sewage shall not be used as a source of gray water.
6.8.2 The discharge of radioactive sewage should comply with the relevant provisions of the current national standard "Basic Standard for Ionizing Radiation Protection and Radiation Source Safety" GB 18871.
6.9 Pipes
6.9.1 The pipe materials of water supply and hot water systems should be determined according to needs. Stainless steel pipes, plastic pipes, plastic and metal composite pipes and hot-dip galvanized steel pipes that comply with current national standards can be selected.
6.9.2 The pipes of the drainage system can be mechanical drainage cast iron pipes or plastic pipes. The drainage pressure of rainwater drainage pipes should be determined according to the height of the building, and appropriate pressure-bearing pipes should be selected.
6.9.3 Stainless steel pipes should be used as pipes for direct drinking water systems.
6.9.4 Non-magnetic pipes such as copper pipes and plastic pipes should be used in places with magnetic shielding.
7 Heating, ventilation and air conditioning systems
7.1 General provisions
7.1.1 The hospital should determine whether to implement heating and ventilation, general air conditioning or purified air conditioning in the whole hospital or in part based on the climate conditions of the region, the nature of the hospital, and the functional requirements of departments and departments.
7.1.2 When using radiators for heating, hot water should be used as the medium and steam should not be used. The water supply temperature should not be greater than 85℃. Radiators should be easy to clean and disinfect.
7.1.3 Class III and Class IV clean rooms that comply with the provisions of Table 7.2.2 of this specification should be heated by plate or light tube radiators, and protective and dust-proof measures should be taken.
7.1.4 The calculated indoor heating temperature can be selected according to the provisions of Table 7.1.4.
7.1.5 When natural ventilation is adopted, there should be no obstructions in the atrium. When there are obstructions, mechanical ventilation should be supplemented. If the climate conditions are suitable for the area, draft ventilation can be used, and the clean area should be kept on the windward side of ventilation.
7.1.6 Mechanical exhaust should be installed in any room where smell, water vapor and moisture are generated.
7.1.7 The air conditioning system shall meet the following requirements:
1 Reasonable zoning should be based on indoor air conditioning design parameters, medical equipment, hygiene, usage time, air conditioning load and other requirements;
2. Each functional area should be independent and should form a separate system;
3. Each air-conditioned partition should be able to be closed to each other, and hospital infections through the air path should be avoided;
4 Rooms with cleanliness requirements and severely contaminated rooms should be formed into a separate system.
7.1.8 Ozone and other disinfection devices should not be installed in the air conditioning unit without special requirements. Water spray air handling units shall not be used.
7.1.9 The air-conditioning unit should be installed in a machine room or equipment mezzanine that is convenient for routine maintenance and replacement.
7.1.10 The air supply volume of medical rooms using centralized air conditioning systems should not be less than 6 times/h.
7.1.11 The return air outlet of the centralized air conditioning system and fan coil unit must be equipped with filtration equipment with an initial resistance of less than 50 Pa, a one-time pass rate of microorganisms not greater than 10%, and a one-time pass rate of particulate matter by weight not greater than 5%.
7.1.12 When the annual average value of outdoor respirable particulate matter PM10 does not exceed the secondary concentration limit applicable to Class II areas in the current national standard "Ambient Air Quality Standard" GB 3095, the fresh air collection outlet should be set at least with coarse and medium effects. When outdoor PM10 exceeds the annual average secondary concentration limit, a medium-efficiency filter should be added.
7.1.13 The fresh air volume of the centralized air-conditioning system of medical buildings should not be less than 40m2/h per person, or the fresh air volume should not be less than 2 times/h. For places with many people, after economic and technical comparison, it is advisable to operate with a variable fresh air volume.
7.1.14 The exhaust from places containing harmful microorganisms, harmful aerosols and other pollutants such as nuclear medicine examination rooms, radiotherapy rooms, pathology sampling rooms, laboratory departments, infectious disease wards, etc., should be treated and discharged after meeting the standards.
7.1.15 An exhaust fan without special requirements should be installed at the end of the exhaust pipeline so that the entire pipeline is under negative pressure.
7.1.16 The design of hospital HVAC (including heating and cooling sources) should be implemented in accordance with the relevant provisions of the current national standard "Energy-saving Design Standard for Public Buildings" GB 50189 on the premise of ensuring diagnosis, treatment and infection control.
7.2 General requirements for clean rooms
7.2.1 Clean rooms should be selected as needed and possible.
7.2.2 In clean rooms (excluding clean operating rooms) under empty or static conditions, the bacterial concentration (sedimentary bacteria concentration or planktonic bacteria concentration) and air dust concentration should be classified according to Table 7.2.2 . The number of air changes should not exceed 1.2 times the upper limit specified in Table 7.2.2.
7.2.3 The air supply end of a Class I clean room should be equipped with a high-efficiency filter. The air supply end of a Class II clean room can be equipped with a high-efficiency or sub-high-efficiency filter. The air supply end of a Class III clean room can be equipped with a sub-high-efficiency filter. Filters, high-efficiency filters can be installed at the air supply end of Class IV clean rooms.
7.2.4 Clean rooms should use barrier air purification devices as the air supply end of the room.
7.2.5 Ordinary fan coil units or air conditioners should not be used in clean rooms. When a purification fan coil unit or a vertical cabinet-type purification air conditioner with a sub-high-efficiency or high-efficiency filter is used in a Class III or IV clean room, the fresh air can be supplied centrally or an independent fresh air unit can be set up.
7.2.6 It is not advisable to adopt an upward and upward airflow arrangement in clean rooms (excluding corridors).
7.2.7 An air shower room should not be installed on the patient passage in a clean room.
7.2.8 The purification air conditioning system should be equipped with air filters at three places: the fresh air inlet, the return air inlet, the positive pressure outlet surface of the air conditioning unit, and the air supply outlet.
Note: Standard for local centralized air supply. If the whole room has one-way flow, the local standard should be the whole room standard.
7.3 Outpatient Department
7.3.1 The outpatient department should adopt natural ventilation. When a heating system is used, the winter heating design temperature in waiting areas, offices, etc. should not be lower than 18°C. When using an air conditioning system, the design temperature of the air conditioner in summer should not be higher than 26°C.
7.3.2 When the hospital foyer is air-conditioned, the inflow of outdoor air should be reduced and the indoor directional air flow and thermal environment should be maintained. In the atrium-style foyer, stratified air conditioning should be used, and other supplementary heating devices can be installed in winter.
7.3.3 The air conditioning system in the waiting area should be combined with the floor plan to allow air to flow from the clean area to the non-clean area. Among them, the pediatric waiting room and clinic should have positive pressure to other areas. The isolation clinic and its waiting room should use a separate air-conditioning system, and the return air should have a medium-efficiency (inclusive) or above filter. When the air conditioning system is the same as that of other clinics, the return (exhaust) air should be set up separately, and the indoor negative pressure should be maintained.
7.3.4 Local exhaust should be provided in places with serious pollution such as laboratories, treatment rooms, and dressing rooms.
7.3.5 The air-conditioning temperature in the clinic should be 1°C to 2°C higher than that in the waiting area.
7.4 Emergency Department
7.4.1 When the emergency department adopts an air-conditioning system, it should adopt an independent system that can operate continuously for 24 hours. The design heating temperature in winter should not be lower than 18°C, and the air-conditioning temperature in summer should not be higher than 26°C.
7.4.2 The air-conditioning system in the emergency isolation area should be set up independently, and its return air should have a medium-efficiency (inclusive) or above filter, and there should be an exhaust system. When the air conditioning system is in the same air conditioning system as other clinics, it should be discharged separately, and there should be no system return air. The adjacent and connected areas should maintain a negative pressure of not less than 5Pa.
7.5 Inpatient Department
7.5.1 General wards should meet the following requirements:
1 Wards in general wards should be able to open windows (with screens) for ventilation.
2. When setting up ordinary air conditioners, the temperature in winter should be above 20°C and in summer the temperature should not be higher than 27°C; there should be fresh air supply and exhaust, and the system scale should not be too large.
3. The dressing room, treatment room, pantry, sewage room, sewage room, public toilet, etc. in the ward should be equipped with exhaust, and the arrangement of the exhaust outlet should not cause local air to be trapped. The number of exhaust ventilation should be 10 times/h to 15 times/h.
7.5.2 The obstetrics department should meet the following requirements:
1. When air conditioning systems are installed in delivery rooms, preparation rooms, shower rooms, recovery rooms and other related rooms, they should be able to operate continuously for 24 hours;
2. The delivery room should adopt a fresh air air conditioning system;
3. The indoor temperature of the neonatal room should be maintained at 22°C to 26°C throughout the year. In the premature infant room, neonatal intensive care unit (NICU) and immunodeficiency neonatal room, the indoor temperature should be maintained at 24°C to 26°C throughout the year. The noise should not be greater than 45dB. (A);
4. The premature infant room, neonatal intensive care unit (NICU), and immunodeficiency neonatal room should be Class III clean rooms.
7.5.3 The intensive care unit should meet the following requirements:
1 The temperature should not be lower than 24℃ in winter and not higher than 27℃ in summer.
2 When using an ordinary air conditioning system, it should be operated continuously and comply with the provisions of Articles 7.1.10 and 7.1.11 of this specification. The relative humidity should be 40% to 65%. The noise should not be greater than 45dB(A). It is advisable to adopt an airflow organization with upper and lower airflow. The airflow should not be blown directly to the head. Each hospital bed should not be on the downwind side of other beds. The exhaust (or return air) outlet should be located near the head of the bed.
3. The clean room should be designed to Class IV standards, and an independent purification air-conditioning system should be installed. A positive pressure of no less than 5Pa should be maintained between the ward and the corridor or between the corridor and the outside world.
7.5.4 The hematology ward should meet the following requirements:
1. The hematology ward during the treatment period should use a Class I clean room, and the hematology ward during the recovery period should use a clean room no lower than Class II. The airflow organization method of sending up and returning down should be adopted. Level I wards should be equipped with a vertical one-way flow above the patient activity area including the bed. The area of the air supply outlet should not be less than 6m2, and the airflow organization should be used to return air from both sides. If horizontal unidirectional flow is used, the patient activity area should be arranged upstream of the air flow, and the head of the bed should be on the air supply side.
2. The purification air-conditioning system of each ward should use independent double fans connected in parallel, serving as backup for each other and running 24 hours a day.
3. The air supply should adopt a speed regulating device and should have at least two wind speeds. When the patient is active or undergoing treatment, the cross-sectional wind speed in the working area should not be lower than 0.20m/s, and when the patient is resting, the wind speed should not be lower than 0.12m/s. The indoor temperature should not be lower than 22°C in winter, and the relative humidity should not be lower than 45%. In summer, the temperature should not be higher than 27℃, and the relative humidity should not be higher than 60%. Noise should be less than 45dB(A).
4. Adjacent and connected rooms should maintain a positive pressure of 5Pa.
7.5.5 The burn ward should determine whether to use clean rooms based on needs. The use of clean rooms should meet the following requirements:
1. Wards for patients with severe (inclusive) burns should use centralized arrangement of air supply vents above the hospital bed. The air supply area should extend 30cm or more around the four edges outside the hospital bed, and should be calculated based on the number of ventilations in a Class III clean room. If there are special needs, it can be calculated based on the number of air changes in Class II clean rooms. The auxiliary rooms and wards for patients with severe burns or less can be equipped with air supply vents in scattered places, and the ventilation times of Class IV clean rooms should be calculated.
2 The purification air conditioning system of each ward should be equipped with a backup air blower and should ensure 24-hour uninterrupted operation. The temperature and humidity should be able to be adjusted according to the requirements of the treatment process.
3. For Class IV burn wards with multiple beds and one room, each bed should not be on the downwind side of other beds. The temperature should be 24°C to 26°C throughout the year. The relative temperature should not be lower than 40% in winter and not higher than 60% in summer. Indoor temperature and humidity can be adjusted according to the requirements of the treatment process.
4. Wards for patients with severe (including) burn injuries should be equipped with an independent air conditioning system, and the indoor temperature and humidity can be adjusted according to the requirements of the treatment process. The temperature can be adjusted up to 32°C and the humidity up to 90%.
5. Adjacent and connected rooms should maintain a positive pressure of 5Pa.
6 Bathrooms and toilets in the ward should be equipped with exhaust devices, and at the same time, airtight air valves linked to the exhaust fans should be installed.
7 The noise in the ward should not be greater than 45dB(A).
7.5.6 The allergic asthma ward should meet the following requirements:
1. Clean rooms can be used;
2 The noise should not be greater than 45dB(A). Temperature and humidity should be relatively stable. The temperature should be 25℃±1℃ throughout the year and the relative humidity should be 50%. The adjacent and connected rooms should maintain a positive pressure of 5Pa.
7.5.7 The anatomy room, specimen preparation room, and morgue should meet the following requirements:
1. Non-infectious disease autopsy rooms and specimen preparation rooms should be adequately ventilated. Special dissecting tables should be used or exhaust vents should be evenly arranged indoors. The exhaust air should be discharged directly to the outdoors;
2. The air conditioning in the dissecting room should adopt a fresh air independent system, which can be used in conjunction with a dedicated exhaust dissecting table;
3. When the specimen preparation room and storage room have the same air conditioning system, they should be able to be independently controlled according to the temperature conditions of each room;
4 The morgue should have adequate ventilation. Negative pressure should be maintained when mechanical exhaust is provided.
7.5.8 Negative pressure isolation wards should meet the following requirements:
1 A self-circulating air conditioning system should be adopted, with an air exchange rate of 10 to 12 times/h, and fresh air can be supplied centrally. Wards for patients with special respiratory tract infections infected by air should use fresh air systems.
2. The final filter for the air supply should be a high-efficiency filter, and the return (exhaust) air outlet should be equipped with a leak-free negative pressure and high-efficiency exhaust device.
3. It is advisable to provide an air supply outlet at the end of the bed or on the side of the bed and at the end of the bed. The return air outlet should be located under the head of the bed.
4. A buffer room should be set up at the entrance to the ward, a buffer room should be set up at the entrance to the corridor of the ward, and a leak-free negative pressure and efficient exhaust device should be set up in the bathroom.
5. A negative pressure difference of 5 Pa should be maintained between the ward and the buffer room and between the buffer room and the corridor, and directional flow should be maintained in the ward towards the bathroom.
7.6 Surgery Department
7.6.1 The design of the clean operating department should comply with the relevant provisions of the current national standard "Technical Specifications for Construction of Hospital Clean Operating Departments" GB 50333.
7.6.2 In general, the indoor temperature of the operating room should not be lower than 20°C in winter and not higher than 26°C in summer; the indoor relative humidity should not be lower than 30% in winter and not higher than 65% in summer; terminal filters should be used with an efficiency not lower than Air conditioning system or fresh air ventilation system with high efficiency filter. Positive pressure should be maintained in the room, and the number of air changes should not be less than 6 times/h. Noise should not be greater than 50dB(A).
7.7 Medical Technology Department
7.7.1 Laboratory departments, pathology departments, and laboratories should meet the following requirements:
1. There should be a separate exhaust system;
2 When using ordinary air conditioners, the indoor temperature should not be lower than 22°C in winter and not higher than 26°C in summer; the indoor relative humidity should not be lower than 30% in winter and not higher than 65% in summer.
7.7.2 The in vitro fertilization laboratory of the reproductive center should be designed as a Class I clean room, and should use local centralized air supply or clean workbench. The egg retrieval room should be designed as a Class II clean room, and should use local centralized air supply or a clean workbench. The noise in the in vitro fertilization laboratory and egg retrieval room should not be greater than 45dB(A). Freezers, studios, clean corridors and other clean auxiliary rooms can be designed as Class IV clean rooms, and local centralized air supply should be used.
7.7.3 Departments such as electrophysiology, ultrasound, and fiber endoscopy should be equipped with independent general air-conditioning systems.
7.7.4 The hearing examination room should be equipped with a centralized air-conditioning system, noise reduction and vibration reduction measures should be taken, and the noise should not be greater than 30dB(A). For inspections with high silent requirements, measures such as temporarily stopping the air conditioning and cutting off the air flow can be taken.
7.7.5 The operating area of the cardiovascular angiography room should be level III, the clean corridor should be one level lower than the operating area, and a positive pressure of 5 Pa should be maintained in adjacent and connected rooms. Auxiliary rooms should use ordinary air conditioning.
7.7.6 The air conditioning system and exhaust system of the examination room, control room and mechanical room of the radiology department shall meet the following requirements:
1 The air conditioning system should be selected according to the needs of the equipment.
2 When using a semi-centralized air conditioning system, no terminal devices such as fan coil units and their condensate pipes should be installed above the machine.
3 The examination room, control room and darkroom of the radiology department should be equipped with an exhaust system, and the exhaust of the automatic film processing machine should use anti-corrosion ducts. A check valve should be installed on the exhaust pipe.
4 In rooms with radiation shielding, shielding measures should be taken for air ducts and pipes that pass through the wall with a lead equivalent of not less than the wall.
7.7.7 The magnetic resonance room should adopt an independent constant temperature and humidity air conditioning system. The indoor temperature should be 22℃±2℃, and the relative humidity should be 60%±10%. The scanning room should use non-magnetic air vents that shield electromagnetic waves, and no magnetic pipelines should pass through it. The liquid helium cooling system of the magnetic resonance machine should be equipped with a separate exhaust system and should be directly connected to the outdoor exhaust duct of the magnetic resonance machine. Pipes should be made of non-magnetic materials and the pipe diameter should not be less than 250mm.
7.7.8 All rooms with nuclear radiation risks in the Department of Nuclear Medicine should adopt independent constant temperature and humidity air conditioning systems. The temperature between scanning should be 22℃±2℃, and the temperature change within 1 hour should not be greater than 3℃. The relative humidity between scans should be 60% ±10%. Other rooms can use ordinary air conditioners, but the exhaust should be handled in accordance with the current national standards "Hygiene Protection Standards for Clinical Nuclear Medicine" GBZ 120 and "Hygiene Protection Standards for Medical Radioactive Waste Management" GBZ 133.
7.7.9 The air-conditioning system of the radioisotope treatment room should be determined according to the type of radioisotope and the conditions of use, and fresh air air conditioning should be used. Within the radioisotope management area, negative pressure should be maintained relative to outside the management area. The exhaust duct should be made of vinyl chloride-lined duct, and an airtight valve should be installed in the exhaust system; it should be installed on the exhaust side of the purification treatment device. Set up a fan and maintain negative pressure in the exhaust duct. The exhaust fan should be turned off after the air conditioning system. When radioactive isotopes are stored in storage rooms or waste storage rooms, ventilation should be performed 24 hours a day.
7.8 Central (disinfection) supply room
7.8.1 The central (disinfection) supply room should maintain an orderly pressure gradient and directional air flow. Directional airflow should flow from the sterilization area to the decontamination area. The positive pressure in the sterile storage area for adjacent and connected rooms should not be less than 5Pa, and the negative pressure for the decontamination area should be no less than 5Pa for adjacent and connected rooms and outdoors.
7.8.2 The sterile storage area should be designed as a clean room no lower than Class IV, and should adopt an independent purification air-conditioning system. The autoclave should be equipped with local ventilation, and the low-temperature sterilization room should have an independent exhaust system. The temperature should not be lower than 18°C in winter and not higher than 24°C in summer; the indoor relative humidity should not be lower than 30% in winter and not higher than 60% in summer. %.
7.8.3 The decontamination area should be equipped with independent local exhaust, and the total exhaust volume should not be lower than the difference air volume required by the negative pressure. The return air outlet in the decontamination area should be equipped with an air filter of no less than medium efficiency.
7.8.4 In areas using ordinary air conditioning, the temperature in winter should not be lower than 18°C and in summer the temperature should not be higher than 26°C.
8 Electrical
8.1 General provisions
8.1.1 The medical premises of the hospital should be classified according to the requirements of electrical safety protection and should meet the following requirements:
1 Medical places that do not use contact parts of medical electrical equipment should be Category 0 places;
2 Medical places where the contact parts of medical electrical equipment need to come into contact with the patient's body surface or body (except for the parts mentioned in Category 2 medical places) should be Category 1 places;
3. Medical places where contact parts of medical electrical equipment need to come into contact with the patient's body (referring to the heart or near the heart) and where power interruption endangers the patient's life should be classified as Category 2 places.
8.1.2 The classification of medical places and the automatic power restoration time should comply with the provisions of Table 8.1.2.
Note: a refers to lighting and life support electrical equipment; b refers to not being used as an operating room; c refers to the need to provide power continuously for 3h to 24h.
8.1.3 It is strictly prohibited to use TN-C grounding system in medical rooms.
8.2 Power supply
8.2.1 The power supply and distribution system of medical places should be designed according to the classification of medical places and the requirements for automatic power restoration time.
8.2.2 The design of the power distribution system in medical facilities should facilitate automatic switching of power from the main power grid to a safe power supply system.
8.2.3 When medical equipment needs to use purified power supply, it should be centralized according to departments.
8.2.4 The power supply for large-scale medical equipment in the radiology department should be powered by a separate substation.
8.2.5 The power supply of medical equipment in the radiology department, nuclear medicine department, functional examination department, laboratory department and other departments should be equipped with isolation electrical appliances to cut off the power supply.
8.2.6 The power supply system of large medical equipment should meet the equipment’s requirements for power supply voltage drop.
8.3 Security protection
8.3.1 When isolation extra-low voltage equipment (SELV) and protective extra-low voltage equipment (PELV) are used in Class 1 and Class 2 medical places, the rated voltage of the equipment should not exceed the AC root mean square value of 25V or ripple-free DC 60V, and Insulation protection should be adopted.
8.3.2 Class 1 and 2 medical places should be equipped with power-off protection to prevent indirect electric contact, and should meet the following requirements:
1 For IT, TN and TT systems, the contact voltage should not exceed 25V.
2 The maximum breaking time of TN system should be 0.2s for 230V and 0.05s for 400V.
3 The neutral point of the IT system is not suitable, and the maximum breaking time of 230V should be 0.2s.
8.3.3 When using the TN system, the following requirements should be met:
1 For terminal circuits with a rated current of no more than 32A in Class 1 medical places, a residual current-operated protector with a maximum residual operating current of 30mA should be used.
2 The following circuits in Class 2 medical places should be equipped with leakage protectors with a rated residual current not exceeding 30mA;
1) Power supply circuit for the operating table drive mechanism;
2) Mobile X-ray device circuit;
3) Circuits of large equipment with rated capacity exceeding 5kV·A;
4) Electrical equipment circuits of non-life support systems.
8.3.4 When the TT system is adopted, the provisions of Article 8.3.3 of this specification shall be followed, and all distribution circuits shall be equipped with residual current operating protectors.
8.3.5 In addition to the electrical circuits listed in paragraph 2 of Article 8.3.3 of this specification, the electrical devices and equipment used to maintain the life of patients, perform surgical operations and other operations located within the "patient area" in Class 2 medical places. All power supply circuits should adopt medical IT systems. When using medical IT systems, the following requirements should be met:
1 For multiple adjacent rooms with the same functions, at least one independent medical IT system should be installed.
2 Medical IT systems must be equipped with insulation monitors and should meet the following requirements:
1) AC internal resistance should be greater than or equal to 100kΩ;
2) The test voltage should not be greater than DC 25V;
3) Under any fault conditions, the test current peak value should not be greater than 1mA;
4) When the resistance is reduced to 50kΩ, a signal should be sent out and test facilities should be provided.
3. Each medical IT system should be equipped with signal lights and audible and visual alarm devices that display the working status. The audible and visual alarm device should be installed in a place convenient for permanent monitoring.
4 The isolation transformer should be equipped with overload and high temperature monitoring.
8.3.6 Auxiliary medical equipotential bonding busbars should be set up in the "patient area" of Class 1 and Class 2 medical places, and protective conductors, external conductive parts, anti-electromagnetic interference shields, and The conductive floor network, the metal shielding layer of the isolation transformer and the equipotential busbar are connected.
8.3.7 In Class 2 medical premises, the resistance of the conductor between the protective conductor terminal of the power socket, the protective conductor terminal of fixed equipment or any external conductive part and the equipotential bonding busbar (including the resistance of the joint part), It should not exceed 0.2Ω.
8.3.8 The auxiliary medical equipotential busbar should be installed in the place of use, and should be close to or in the distribution box.
8.4 Selection and installation of electrical equipment
8.4.1 Medical IT system isolation transformers should meet the following requirements:
1 Medical IT systems should use single-phase transformers, whose rated capacity should not be less than 0.5kVA and should not exceed 8kVA;
2 The isolation transformer should be close to the place of use, and protective measures should be taken;
3 The rated voltage of the secondary side of the isolation transformer should not exceed 250V;
4 When the isolation transformer is operating at rated voltage and frequency without load, the leakage current flowing to the shell or the earth should not exceed 0.5mA.
8.4.2 For Class 1 and Class 2 medical locations, type A or B residual current protectors should be selected based on the characteristics of the fault current that may occur.
8.4.3 Each terminal circuit in Class 2 medical places should be equipped with short-circuit and overload protection, but overload protection should not be installed on the primary and secondary sides of the medical IT system transformer.
8.4.4 In Category 2 medical places, each terminal circuit on the secondary side of the medical IT system should be equipped with a double-level protection device, and should be equipped with multiple sockets powered by at least 2 independent circuits. Each group of socket circuits should be independently set up for short-circuit protection, and an overload alarm can be set up independently when conditions permit. Medical IT system sockets should have fixed and obvious signs.
8.4.5 In Class 1 and Class 2 medical places, two lighting circuits with different power supplies should be provided.
8.4.6 The installation distance between the electrical device and the medical gas release port shall not be less than 0.20m.
8.4.7 Hospital fire protection design should meet the following requirements:
1 The power supply and control cables of the emergency system should be halogen-free, low-smoke flame-retardant or mineral-insulated;
2 Fire and leakage protection should use signal alarms.
8.5 Safe power supply system
8.5.1 In Class 1 and Class 2 medical places, when the voltage drop value on any conductor is higher than 10% of the standard voltage, the safety power supply shall automatically start. The classification of safe power sources should comply with the provisions of Table 8.5.1.
8.5.2 When the main power supply fails, the safety power supply should provide lighting power with the lowest illumination in the following places. The switching time of the security lighting system should not exceed 15 seconds:
1 Evacuation passages and exit indication lighting;
2 The place where the distribution devices of safety power supply and normal power supply and their control devices are located;
3. In rooms where important medical equipment is to be installed, each room should have at least one lamp powered by a safe power supply;
4 In Category 1 medical places, each room should have one lamp powered by a safe power source;
5 In Class 2 medical premises, the power supply should be able to provide at least 50% of the illumination.
8.6 Lighting design
8.6.1 The lighting design should comply with the relevant provisions of the current national standard "Architectural Lighting Design Standard" GB 50034, and should meet the requirements for green lighting.
8.6.2 Medical rooms should use high color rendering lighting sources with a color rendering index greater than or equal to 80. Tri-primary color fluorescent lamps with electronic ballasts should be used.
8.6.3 When the lighting system uses fluorescent lamps, the harmonics of the system should be calibrated.
8.6.4 Ward lighting should use indirect lamps or reflective lighting. Partial lighting should be set up at the bedside, preferably one lamp for each bed, and should be controlled by the bedside.
8.6.5 Lamps in the aisles of nursing units, clinics, treatment, observation, wards, etc. should avoid glare on bedridden patients and should use diffuse reflection lamps.
8.6.6 Night lighting should be provided in the corridors and wards of the nursing unit. The illumination at the head of the bed should not be greater than 0.1lx, and in the pediatric ward should not be greater than 1lx.
8.6.7 X-ray diagnostic rooms, accelerator treatment rooms, nuclear medicine scanning rooms, gamma camera rooms, operating rooms and other rooms should be equipped with red signal lights to prevent accidental entry, and the power supply of the red signal lights should be connected to the unit.
8.7 Lightning protection, grounding and electromagnetic compatibility
8.7.1 The lightning protection design of medical buildings should comply with the relevant provisions of the current national standard "Code for Design of Lightning Protection of Buildings" GB 50057.
8.7.2 Medical buildings should adopt lightning protection grounding and a common grounding system for power systems.
8.7.3 Medical building electrical equipment should meet relevant electromagnetic compatibility (EMC) requirements and should comply with the current national electromagnetic compatibility standards.
9Intelligent system
9.1 General provisions
9.1.1 The hospital should design the overall architecture of the intelligent system based on needs and meet the overall planning requirements of the hospital.
9.1.2 The subsystem settings of the intelligent system should meet the requirements of the hospital’s application level and management model, and should have the conditions for sustainable development.
9.1.3 In addition to complying with the provisions of this specification, the design of the intelligent system should also comply with the relevant provisions of the current national standard "Intelligent Building Design Standard" GB/T 50314 and other relevant provisions.
9.2 Information facility system
9.2.1 The communication access system should be set up centrally in the hospital.
9.2.2 When an independent integrated service digital program-controlled user exchange system is used, the number of trunk lines should be determined based on 1/10 of the actual traffic volume, and a margin should be reserved.
9.2.3 The information network system settings should meet the following requirements:
1. According to the importance level and security level of the information, a private network for internal use of the hospital and an Internet for public information transmission should be set up respectively.
2 Ethernet switching technology and corresponding network structure should be adopted.
3 Core switches and access switches should be configured. According to the distribution and scale of information points, aggregation layer switches can be added.
4 The dedicated network used within the hospital should adopt a redundant configuration of the network.
9.2.4 The design of the integrated wiring system should comply with the relevant provisions of the current national standard "Integrated Cabling System Engineering Design Specifications" GB 50311. The layout of information points should be determined based on the actual needs of the hospital. The installation elevation of information sockets should meet the functional requirements.
9.2.5 When setting up an indoor mobile communication coverage system, space for routing and equipment installation should be reserved.
9.2.6 When setting up a satellite communication system, information communication requirements such as voice, data, images and multimedia should be met.
9.2.7 When setting up a cable TV system, the following requirements should be met:
1. Cable TV sockets should be installed near TV screens in lobbies, charge and registration windows, waiting rooms, lounges, cafes, infusion rooms, conference rooms, demonstration classrooms, medical rehabilitation centers, wards, etc.;
2. When a TV sound system is used in a multi-person ward, a headphone jack with adjustable volume should be installed in front of each patient's bed.
9.2.8 The hospital should set up an emergency broadcast system. When setting up a public address system, it should share a set of lines and terminal equipment (speakers) with the emergency broadcast system. The terminal equipment should be located in a public place, and volume controls should be installed at the service desk in the waiting hall of the outpatient department, medical technology, and the ward nurse station. device. When a fire alarm occurs, it should automatically switch to the emergency broadcast.
9.2.9 When setting up information guidance and release systems, touch screen information inquiry terminals and large color display screens should be set up in public places.
9.2.10 When the hospital sets up a clock system, the clock should be set up in the ward nursing unit, triage, nurse station of each medical examination department, operating room, doctor's clinic and office, etc.
9.3 Information application system
9.3.1 The hospital information system should consist of a management information system, a clinical information system and an information support and maintenance system.
9.3.2 When setting up the queuing system, the following requirements should be met:
1 It is appropriate to adopt a network architecture, and the system software is connected to the hospital information system;
2. Screen displays and voice prompt devices should be installed at the registration window and triage queuing nurse station;
3 Virtual or physical pagers can be set up in the clinic according to specific circumstances.
9.3.3 The intensive care unit should be equipped with a visitation system, which should meet the following requirements:
1 It is advisable to set up two-way transmission of voice and video signals, and its operation control system should be located in the nurse station;
2 The patient terminal should be simple to use and easy to operate. Visiting terminals should be relatively private.
9.3.4 When setting up the operating room video teaching system, the following requirements should be met:
1 Video signals should be uploaded in one direction, and voice signals should be transmitted in both directions.
2 The video should collect panoramic and partial (shadowless light camera) image signals, and should be equipped with sockets. A high-definition camera for rebroadcasting can be set on the pendant. Classrooms should be equipped with display screens.
3 The control room should switch and manage the image and audio signals of all teaching operating rooms.
4 The video teaching system should not be connected to the cable TV system.
9.3.5 When setting up the operating room monitoring and management system, the following requirements should be met:
1 Computer network technology should be used to centrally monitor and manage operating room operating status, environmental changes, etc.;
2 The operation terminal should adopt touch screen mode.
9.3.6 The nursing unit should be equipped with a medical intercom system and should meet the following requirements:
1. Patient call terminals should be installed in front of the hospital bed and in the bathroom;
2 The nurse station should be equipped with an intercom switchboard;
3 Call display lights or display screens should be installed in the corridor;
4 Wireless calling terminal can be set up.
9.3.7 When setting up a smart card system, it should meet the requirements for patient registration, medicine collection, payment and medical staff identification, attendance, access control, parking, consumption and other requirements.
9.4 Public safety systems
9.4.1 The public safety system should be equipped with automatic fire alarm and fire linkage control systems. The design of the automatic fire alarm system should comply with the relevant provisions of the current national standard "Code for Design of Automatic Fire Alarm Systems" GB 50116.
9.4.2 When setting up a building equipment monitoring system, the principle of centralized management and decentralized control should be followed, and computer network control devices should be used to monitor, control and manage the hospital's electromechanical equipment (except fire-fighting equipment).
9.4.3 The public safety system should be equipped with a security technology prevention system and should meet the following requirements:
1 When setting up a video surveillance system, it can be installed at all entrances on the first floor of the hospital, the charging and registration office, the financial and discharge settlement office, the valuable medicine library, the elevator car, the elevator hall on each floor and places with a lot of personnel activities. camera. Digital hard disk devices should be used for image storage and query.
2 When setting up an intrusion alarm system, manual alarm buttons or other anti-intrusion detection devices should be installed in important places such as valuable medicine warehouses and toll terminals, and should be linked with video surveillance cameras.
3. When setting up an entrance and exit management system, access control devices can be installed in important places such as information centers and valuable medicine libraries, as well as at the main entrances and exits of operating departments and ward nursing units. Access control devices should be installed on access doors that require diversion between doctors and patients. When a fire alarm occurs, the access door of the corresponding area should be controlled to be open through the fire protection system linkage.
4 When setting up an electronic inspection management system, an offline inspection system should be used. When the access control system control device installed in the hospital can cover most of the inspection points, inspection management should be carried out through the access control system. Inspection points should be set up in important places such as the main entrances and exits on the first floor, elevator halls on each floor, valuable medicine warehouses, and information centers.
9.5 Intelligent integrated system
9.5.1 When setting up an intelligent integrated system, information should be shared with the information system. When an intelligent integrated system is not set up, the building equipment management system should be used to integrate the building equipment monitoring system and the public safety system, and the interface with the information system should be reserved.
9.5.2 The hardware and software of the integrated system should adopt an open architecture to meet the requirements of practicality, safety, reliability, easy expansion, and easy maintenance.
9.6 Computer room project
9.6.1 The computer room should be set up according to the hospital’s management model.
9.6.2 The computer room project should include distribution lighting system, emergency power supply system, gas fire extinguishing system, lightning protection grounding system, computer room monitoring system, computer room air conditioner and anti-static floor, etc.
9.6.3 The weak current room should ensure that the front and rear of the distribution frame (cabinet) can be maintained, and there should be a passage on the side. The environment should meet temperature, humidity and ventilation requirements, and a reliable power supply and safe grounding system should be installed.
10Medical Gas Systems
10.1 General provisions
10.1.1 The medical gas system should be set up according to medical needs.
10.1.2 The gas source station should be determined according to the overall plan of the hospital. The layout of medical gas pipelines should be reasonable.
10.1.3 The emission of medical waste gas should not have any impact on the hospital and the surrounding environment.
10.2 Air source equipment
10.2.1 Medical gases supplied from high-pressure gas cylinders and liquid storage tanks should be calculated based on daily usage, and a reserve gas volume of no less than 3 days should be stored. When a gas generating unit is used to supply gas, a backup unit should be set up. When a molecular sieve oxygen generating unit is used, a high-pressure oxygen busbar should also be set up. When the largest unit fails, the air supply capacity of other units should be able to meet the maximum designed load of the system.
10.2.2 The hospital should set up oxygen and negative pressure suction systems, and can set up compressed air, nitrous oxide, nitrogen, carbon dioxide, argon, and anesthesia waste gas emission systems as needed. The gas source should meet the gas parameter requirements at the terminal.
10.2.3 The dedicated gas supply station for the operating department should be located in a non-clean area close to the operating department.
10.2.4 The oxygen supply pipelines of the operating department, intensive care unit, first aid, and rescue room should be connected separately from the oxygen station.
10.2.5 The gas supply station should be equipped with an alarm device for abnormal gas supply. The standby unit should be equipped with an automatic putting device into use.
10.2.6 Hospitals should use oil-free air compressors, and the compressed air should be equipped with filtration and sterilization equipment.
10.2.7 The medical gas source should be equipped with an overpressure discharge safety valve, and the gas should be discharged to a safe outdoor location.
10.2.8 When setting up an oxygen generating station of a molecular sieve oxygen generating unit, the following requirements should be met:
1. The oxygen generating station should be set up independently or on the roof of the building;
2 The fire resistance limit of the partition wall between the oxygen bus room and the machine room should not be less than 1.5h, and the communication door between the oxygen bus room and the machine room should be a Class A fire door;
3 The fire resistance limit of the partition wall between the oxygen storage tank and the machine should not be less than 1.5h, and the communication door between the oxygen storage tank and the machine should be a Class A fire door.
10.2.9 When using liquid oxygen supply mode, liquid oxygen tanks larger than 500L should be placed outdoors. The distance between outdoor liquid oxygen tanks and offices, wards, public places and busy roads should be greater than 7.50m.
10.2.10 The negative pressure suction machine room should be set up separately, and its exhaust gas should be discharged into the atmosphere after treatment.
10.3 Gas piping
10.3.1 Medical gas pipelines should be made of copper or stainless steel pipes, and galvanized steel pipes can be used for negative pressure suction and operating room exhaust gas delivery pipes. Pipes, valves and instrument accessories should be degreased before installation.
10.3.2 Oxygen supply pipelines should not be laid in the same pipeline well or trench as cables, corrosive gas and flammable gas pipelines. Pipe wells with oxygen supply pipes should be well ventilated.
10.3.3 When the oxygen pipeline is overhead, it can be laid together with various gas and liquid (including gas and fuel) pipelines. When shared, the oxygen pipeline should be arranged outside other pipelines and above the fuel pipeline. The medical gas pipeline supplying the clean surgical department should be equipped with separate supports and hangers.
10.3.4 Except for the dedicated conductive wires for oxygen pipelines, other conductive wires should not be laid on the same support as the oxygen pipelines.
10.3.5 The distance between the oxygen pipe and other pipelines should comply with the requirements in Table 10.3.5. When the distance cannot be met, safe and reliable technical measures should be taken.
10.3.6 A manual emergency device to cut off the air source should be installed on the oxygen main pipe in the ward and clean operating department.
10.3.7 Oxygen pipes passing through walls and floors should be laid in casings, and asbestos or other non-combustible materials should be used to fill the casing gaps. Oxygen pipes should not pass through rooms where oxygen is not used. When they must pass through, there should be no flanges or threaded connections on the pipes in the room.
10.3.8 Medical gas pipelines should be equipped with static conductive grounding devices.
10.3.9 The contact points between medical gas pipelines and supports and hangers should be insulated against electrostatic corrosion.
10.3.10 Antifreeze measures should be taken for wet medical gas pipelines.
10.3.11 Medical vacuum pipelines should be sloping towards the main pipe and buffer tank, and the slope should not be less than 2‰.
10.4 Medical gas terminals
10.4.1 Medical gas pipe terminals should be safe and reliable, and the inside of the terminal should be clean and well-sealed.
10.4.2 The terminal pressure of medical gas should comply with the requirements in Table 10.4.2.
11 Steam system
11.0.1 The hospital should install a steam system. Steam can be used for disinfection supply, food processing, catering, laundry, domestic hot water heat exchange, sewage cleaning, air humidification, etc. When steam is used for disinfection supply and air humidification, a filtering and decontamination device should be installed on the pipeline before the point of use.
11.0.2 The amount of steam consumed in the central (disinfection) supply room should be calculated as 2kg/h·bed~2.5kg/h·bed. Other steam consumption should be determined according to specific circumstances. The steam condensation water in the central (disinfection) supply room should be recycled and treated centrally before being discharged to urban sewage.
11.0.3 The steam supply pressure shall comply with the requirements in Table 11.0.3.
11.0.4 Insulation measures should be taken for steam and steam condensate pipes and equipment. The insulation calculation, material selection and structural requirements for equipment, pipes and accessories can be based on the current national standards "General Technical Principles for Thermal Insulation of Equipment and Pipes" GB/T 4272, "Guidelines for the Design of Thermal Insulation of Equipment and Pipes" GB/T 8175 and "Industrial Design in accordance with the relevant provisions of GB 50264 "Code for Design of Equipment and Pipeline Insulation Engineering".
7 Morgues and autopsy rooms should adopt independent drainage systems indoors, and the main ventilation pipes should extend to the roof without any defects.