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GB 55025-2022: Project code for dormitory, hotel building group
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GB 55025-2022: Project code for dormitory, hotel building group

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1 General 1.0.1 In order to ensure the applicability of dormitory and hotel projects and promote the improvement of building quality, this specification is formulated. 1.0.2 Dormitory and hotel projects must implement this specification. Hotel projects with less than 15 rooms (sets) for rent are excluded. 1.0.3 The construction, use and maintenance of dormitory and hotel projects should follow the principles of safety and sanitation, environmental protection and adaptation to local conditions, so as to be applicable, economical, green and beautiful. 1.0.4 Whether the technical methods and measures adopted in the project construction meet the requirements of this specification shall be judged by the relevant responsible parties. Among them, innovative technical methods and measures should be demonstrated and meet the performance requirements in this specification. 2 Basic regulations 2.0.1 Dormitory and hotel projects should have accommodation conditions and be equipped with centralized management facilities; and should meet safety, sanitation, health and other requirements, including fire prevention, earthquake resistance, sound insulation and noise reduction, flood prevention, lightning protection, etc. 2.0.2 The construction scale of dormitory and hotel projects should be determined according to supporting requirements or market requirements, as well as investment conditions. The construction scale division of dormitory projects shall comply with the provisions in Table 2.0.2-1, and the construction scale division of hotel projects shall comply with the provisions in Table 2.0.2-2. 2.0.3 Site selection for dormitory and hotel projects should meet the following requirements. 1 Construction shall not be carried out in areas threatened by natural disasters such as landslides, mudslides, and mountain torrents; 2.The distance from dangerous chemicals, flammable and explosive materials and radiation sources must meet the relevant safety regulations; 3 In areas with noise pollution, vibration pollution, and light pollution, corresponding effective measures to reduce noise, vibration, and light pollution should be taken; 4.For areas with soil pollution, effective measures must be taken for harmless treatment, and the soil environmental quality requirements for residential land should be met; 5 The site should have unobstructed drainage and have flood control and drainage measures. 2.0.4 Sites and buildings should be provided with identification systems that conform to the cognitive characteristics of users. The traffic space should be clear, definite, and easy to identify, and there should be standardized and systematic prompt signs. 2.0.5 The structure of dormitory and hotel projects should meet the following requirements. 1.The structural safety level of dormitory and hotel projects should not be lower than level 2; 2 The structure of dormitory and hotel projects must be designed for earthquake resistance, and the anti-seismic fortification category of buildings should not be lower than category C. The anti-seismic fortification category of student dormitory buildings in schools should be implemented in accordance with relevant national regulations; 3 The structural design work period of the newly-built dormitory and hotel projects should not be less than 50 years. 2.0.6 Barrier-free construction of dormitory and hotel projects shall comply with the following regulations. 1 The main entrances and exits should be barrier-free entrances and exits. When conditions are limited, at least one barrier-free entrance and exit should be set up, and guide signs should be set up at the main entrances and exits; 2 When installing elevators, at least one barrier-free elevator should be installed; 3 When setting stairs, at least one staircase that is convenient for the visually impaired shall be set; 4 Barrier-free pick-up and drop-off areas should be set up before the barrier-free entrance and exit. 2.0.7 Waterproof and anti-slip measures should be taken on the floors of daily water rooms such as kitchens, washrooms, toilets (toilets), bathrooms, laundry rooms, and spa rooms. 2.0.8 When the living room (guest room) is adjacent to the elevator shaft, equipment room, public stairwell, public washroom, public toilet, public bathroom, public laundry room and other rooms with noise or vibration, effective sound insulation and noise reduction measures should be taken. Vibration and noise reduction measures. 2.0.9 Dormitory and hotel projects should be equipped with water supply and drainage, power supply, communication, ventilation and other equipment and facilities. 2.0.10 Dormitories and hotels in severe cold and cold areas should be equipped with heating facilities. The indoor heating temperature of living rooms (guest rooms) in severe cold and cold areas should not be lower than 18°C in winter. 2.0.11 The lighting and security systems of the entrance hall (lobby), stairwell, main aisle and passageway shall be powered by no less than secondary load. 2.0.12 The distribution box of the living room (guest room) should not be installed in the public corridor or elevator hall. When the distribution box in the living room (guest room) is installed in the cabinet, safety protection should be done. 2.0.13 The power outlets of dormitories and hotels shall adopt safety power outlets. 2.0.14 The combustion performance of the electrical cables laid out in the dormitories and hotels shall not be lower than B1 level. 2.0.15 Dormitory and hotel projects should be equipped with security systems, cable TV systems and information network systems. The hotel shall install video surveillance devices at the entrances and exits of the lobby, stairwells, elevator halls on each floor, elevator cars, and public walkways. The dormitory should set up video surveillance devices at the entrance and exit of the hall. 2.0.16 Public pipeline valves and facility components used for overall regulation and maintenance shall be set in public spaces. 2.0.17 Protective railings or balustrades shall be installed in the open balconies, outer corridors, indoor corridors, atriums, inner patios, upper roofs and outdoor stairs, and shall meet the following requirements. 1 The material of the protective railing or railing should be strong and durable; 2 The clear vertical height of protective railings or slabs of dormitory buildings shall not be less than 1.10m. The vertical net height of protective railings or railings in school dormitories should not be less than 1.20m; 3 The vertical net height of protective railings or slabs of hotel buildings shall not be less than 1.20m; 4 Anti-drop measures should be taken at the place where the flowerpot is placed. 2.0.18 Dormitories and hotels should be equipped with garbage collection rooms, which should meet the following requirements. 1.The requirements for classified storage of garbage shall be met; 2 Ventilation, anti-mosquito and other measures should be taken; 3 Floors and walls should be finished with easy-to-clean finishes. 2.0.19 The entrances and exits of buildings in severe cold and cold areas should be equipped with door buckets or other cold protection measures. 2.0.20 Living rooms (guest rooms) should be able to receive natural lighting and ventilation. 2.0.21 Dormitory and hotel projects should carry out routine maintenance, repair and management work on a regular basis, and should meet the following regulations. 1.It should ensure that the building parts and components are safe and reliable within the working life, and should meet the requirements of function and performance; 2 Routine maintenance and regular overhaul should be carried out for various shared equipment and facilities, and should be updated in time to ensure normal operation.

3 dorms

3.1 General provisions 3.1.1 The dormitory project should have basic functional spaces such as living, washing, toileting, drying, storage, and management. 3.1.2 A collection and distribution site should be set up near the dormitory, and the collection and distribution site should be set at 0.2m2/person. 3.1.3 The setting of public rooms shall prevent interference to surrounding living rooms. 3.1.4 In the dormitory, barrier-free rooms shall be set up for male and female dormitories respectively, and barrier-free rooms shall be connected with barrier-free entrances and exits with barrier-free flow lines, and the number shall meet the following requirements. For dormitory projects with less than 1,100 living rooms, at least one barrier-free living room shall be provided; 2 For dormitory projects with more than 100 residences, at least one barrier-free residence shall be provided for every 100 residences. 3.1.5 Passenger elevators, domestic water supply pumps, and drainage pumps for extra-large dormitory projects should be powered at a level not lower than the first-level load. 3.16 The dormitory in the area where ground lightning may occur, should take corresponding lightning protection measures according to the requirements of no less than the third type of lightning protection buildings. 3.2 Residential part 3.2.1 The living room should not be arranged in the basement. 3.2.2 Ventilation facilities should be installed in the living rooms in severe cold areas. 3.2.3 When the toilet is attached to the living room, it shall meet the functional requirements of defecation and washing. 3.2.4 Living rooms and storage rooms adjacent to public washrooms, public toilets, restrooms and other water-using rooms shall be treated with moisture-proof or waterproof treatment on the water-facing surface of the adjacent wall. 3.2.5 When the distribution box is installed in the living room, the switch of the power supply line in the distribution box should have the function of isolating and disconnecting the phase line and the neutral line at the same time. 3.3 Common parts 3.3.1 When the height difference between the highest entrance floor of the dormitory and the outdoor design ground is greater than 9m, an elevator should be installed. 3.3.2 The public washroom, public toilet and public activity room (space) in the dormitory should have natural lighting and natural ventilation. 3.3.3 If there is a public kitchen in the dormitory, its usable area should not be less than 6m2.The public kitchen should have external windows for natural lighting, natural ventilation and oil fume exhaust facilities. 3.3.4 Public washrooms and public toilets should not be arranged directly above the living room. When there is no independent toilet in the living room, the distance between the public washroom and public toilet and the farthest living room should not be greater than 25m. 3.3.5 The number of public washrooms and sanitary appliances in public toilets shall be determined according to the number of residents, and public washrooms shall be set up separately for men and women. 3.3.6 The stair step width of the dormitory should not be less than 0.27m, and the step height should not be greater than 0.165m; the height of the handrail of the stair should not be less than 0.90m from the front edge of the step; It should not be less than 1.10m. A buffer zone with a depth of not less than 1.20m shall be provided between the initial step of the open staircase and the floor aisle. The stairs of student dormitories in primary and secondary schools shall be implemented in accordance with relevant national regulations. 3.3.7 When the public entrances and exits of the dormitory are located at the lower part of balconies, verandahs and open stair platforms, safety protection measures should be taken to prevent objects from falling and hurting people.

4 hotels

4.1 General provisions 4.1.1 The hotel project shall have basic functional space for living, washing, toileting, storage, etc. and corresponding supporting services for short-term or temporary residents. 4.1.2 The hotel shall provide domestic hot water. 4.1.3 Passenger elevators, domestic water supply pumps, drainage pumps, and computer systems for operation and management of large hotel projects shall be powered at a load no lower than Class I. 4.1.4 For hotel buildings equipped with automatic fire alarm system, each guest room shall have at least one light connected to the emergency lighting power supply circuit. 4.1.5 For large hotels with expected lightning strike times greater than 0.05 in a year, corresponding lightning protection measures should be taken in accordance with the requirements of no less than the second type of lightning protection buildings. For other hotels in areas where ground lightning may occur, corresponding lightning protection measures shall be taken in accordance with the requirements of no less than the third category of lightning protection buildings. 4.2 Guest room section 4.2.1 The partition walls of adjacent guest rooms shall meet the sound insulation requirements, and shall not be provided with through openings. 4.2.2 Barrier-free rooms should be set up in hotel projects, and barrier-free rooms should be connected with barrier-free entrances and exits with barrier-free flow lines, and the number should meet the following requirements. 1.30 to 100 rooms, at least one barrier-free room should be set up; 2.101 to.200 rooms, at least 2 barrier-free rooms should be set up; 3..201 to 300 rooms, at least 3 barrier-free rooms should be set up; 4.For more than 301 rooms, at least 4 barrier-free rooms should be set up. 4.2.3 Barrier-free rooms should be equipped with a rescue call device, and the call signal should be reported to the manned office. 4.3 Common parts 4.3.1 In hotels with barrier-free rooms, barrier-free circulation lines should be provided between public facilities. 4.3.2 The clear width of the public walkway in single-faced cloth houses should not be less than 1.30m, and the clear width of public walkways in double-faced cloth houses should not be less than 1.40m. 4.3.3 Hotels with 3 or more floors shall be equipped with passenger elevators. 4.3.4 Public restrooms should be set up near the hotel lobby (foyer); separate front rooms should be set up for male and female public restrooms with more than 4 toilet seats; the number of sanitary appliances should meet the requirements in Table 4.3.4, and one built-in sewage pool should be provided cleaning room. 4.3.5 Barrier-free toilets or public toilets meeting barrier-free requirements shall be set near the lobby (foyer) of small hotels with barrier-free rooms. Accessible restrooms should be located near the lobby (foyer) of medium and large hotels. 4.3.6 For guest rooms without attached toilets, centralized public washrooms, public toilets and bathrooms should be set up according to the number of beds. Men's and women's public restrooms should have antechambers or washrooms respectively. 4.3.7 Restaurants and affiliated entertainment venues that may generate relatively large noise and vibration in hotels should be far away from guest rooms and other rooms with quiet requirements, and effective sound insulation and vibration isolation treatment should be carried out for them. 4.4 Auxiliary part 4.4.1 Service rooms on the guest room floor shall meet the following requirements. 1 The working disinfection room should be equipped with effective exhaust facilities, and there should be no steam or peculiar smell entering the guest room; 2 Toilets for service personnel should be provided. 4.4.2 The spare parts warehouse shall meet the following requirements. 1 The location of the warehouse should be conveniently connected with the serviced functional area and the service elevator, and should meet the safety and convenience requirements of management work such as collection, storage, and distribution; 2 The width of the aisle and door of the warehouse shall meet the requirements for the passage of goods. 4.4.3 The public kitchen shall meet the following requirements. 1 The location of the kitchen should be conveniently connected with the dining room, and the noise, oil fume, smell and food storage and transportation in the kitchen should be avoided from interfering with the restaurant and other public areas and guest rooms; 2 The plane layout of the kitchen should conform to the processing flow, clean and dirty should be separated, avoid back and forth interlacing, and should meet the requirements of sanitation and epidemic prevention. ...