GB/T 50378-2019 Green Building Evaluation Standard

General Provisions

• 第 5.1.1 条The energy efficiency of the cooling and heating source units of the building's heating and air conditioning …
• 第 5.2.3 条Hotel buildings shall be equipped with an energy consumption monitoring system to independently meter the ite…
• 第 5.2.6 条A fresh air heat recovery system should be provided in hotel guest room areas, with total heat recovery effic…
• 第 5.2.8 条The lighting power density (LPD) of hotel public areas (lobby, corridors, restaurants, etc.) shall not exceed…
• 第 6.1.1 条Hotel buildings should use water saving sanitary fixtures, and the water efficiency grade should not be lower…
• 第 6.2.4 条Hotel buildings should be equipped with a rainwater harvesting and utilization system or a reclaimed water re…
• 第 8.1.3 条The indoor noise level of main functional rooms in hotel buildings (guest rooms, meeting rooms, etc.) shall n…
• 第 8.2.1 条Hotel buildings shall be equipped with an indoor air quality monitoring system to monitor CO₂ concentrations …
• 第 8.2.4 条Hotel buildings should be equipped with intelligent lighting control systems to achieve automatic control by …
• 第 3.2.8 条Star rating: 1 star, 2 star, 3 star. Hotel buildings shall meet all mandatory item requirements, and the star…
• 第 3.2.10 条Green performance indicators: Hotel buildings should specify MEP related targets such as energy saving rate (…
• 第 3.2.11 条Building complex requirement: If the hotel is part of a building complex, MEP systems (such as heating/coolin…
• 第 3.2.12 条Carbon emission calculation: Carbon emission calculations should be carried out for hotel buildings, and the …
• 第 3.2.13 条Innovation items: MEP systems may apply for innovation bonus points, such as high efficiency chiller plants (…

Terminology

• 第 2.0.1 条Green building : A high quality building that, throughout its life cycle, conserves resources, protects the e…
• 第 2.0.2 条Fully finished : The fixed surface finishes and the installation of equipment and facilities in the building'…
• 第 2.0.3 条Green performance : Comprehensive performance in energy saving, land saving, water saving, material saving, i…
• 第 2.0.4 条Building life cycle : The entire process from material production, planning, design, construction, operation,…
• 第 2.0.5 条Passive measures : Reduce building energy demand through design of building orientation, massing, building en…
• 第 2.0.6 条Active measures : Improve energy efficiency through high efficiency equipment, system optimization, etc. Hote…
• 第 2.0.7 条Heat island intensity : The difference between the average temperature of a building cluster or area and that…
• 第 2.0.8 条Renewable energy : non fossil energy sources such as wind, solar, hydro, biomass and geothermal. Hotel MEP sy…
• 第 2.0.9 条Non traditional water sources : reclaimed water, rainwater, seawater, etc. Hotel MEP systems (such as greywat…
• 第 2.0.10 条Building carbon emissions : The total amount of greenhouse gas emissions generated over the entire life cycle…
• 第 2.0.6 条For hotel buildings, MEP system related terms (such as active measures, 2.0.8 renewable energy) are the basis…
• 第 7.2 条For specific clause data, it is recommended to refer to the energy saving and energy utilization section in C…

Basic Requirements

• 第 3.2.9 条Full decoration requirement: Hotel buildings (e.g., guest rooms, public areas) shall be delivered fully decor…

Safe and Durable

• 第 4.1.3 条Control item : The building structure shall meet the requirements for load bearing capacity and building usab…

Safe and durable

• 第 4.2.1 条Scoring item : Protective measures are taken to ensure personnel safety. For example: (1) Building entrances …
• 第 4.2.2 条Scoring Item : Use products or accessories with safety protection functions. For example: (1) Guest rooms and…
• 第 4.2.3 条Scoring item : Measures taken to enhance building adaptability. For example: (1) Guest rooms, public corridor…
• 第 4.2.4 条Scoring item : Measures taken to enhance building durability. For example: (1) MEP pipelines (such as water s…
• 第 4.2.5 条Scoring item : Improve the durability of building components and parts. For example: (1) Connectors for hotel…
• 第 4.2.6 条Scoring Item : Adopt intelligent systems with safety protection functions. For example: (1) The hotel is equi…
• 第 4.1.3 条1. In the above clauses, are mandatory items (must be met), and the rest are scored items (scored according t…

Health and comfort

• 第 5.1.1 条The concentrations of pollutants in indoor air, such as ammonia, formaldehyde, benzene, total volatile organi…
• 第 5.1.2 条The indoor noise level of main functional rooms (such as guest rooms and lobbies) shall meet: daytime ≤45dB(A…
• 第 5.2.1 条The air conditioning systems in hotel guest rooms and main function rooms shall have independent adjustment c…
• 第 5.2.2 条CO₂ concentration monitoring devices should be installed in densely occupied areas such as hotel lobbies and …
• 第 5.2.3 条Air quality monitoring systems shall be provided in hotel guest rooms and public areas, monitoring at least p…
• 第 5.2.4 条The hotel hot water system shall ensure a stable outlet temperature; the shower outlet temperature should be …
• 第 5.2.5 条The hotel lighting system shall meet the following requirements: the standard illuminance values for guest ro…
• 第 5.2.6 条The hotel elevator system should be equipped with energy saving operating modes (such as group control and sl…
• 第 5.2.7 条The fresh air volume of the hotel air conditioning system shall meet: guest rooms ≥30m³/(h·person) (refer to …
• 第 5.2.8 条Hotel drainage systems (e.g., bathrooms, kitchens) shall be equipped with water seal devices, with a water se…

Convenient living

• 第 6.1.1 条Site and public transport: Hotel building entrances should have convenient pedestrian access to public transp…
• 第 6.1.2 条Parking facilities: Motor vehicle and non motor vehicle parking facilities shall be reasonably provided, of w…
• 第 6.2.1 条Public service facilities: Hotel buildings should be equipped with or located near public service facilities …
• 第 6.2.2 条Accessibility facilities: Main entrances, public corridors, elevators, and restrooms shall be provided with a…
• 第 6.2.3 条Indoor environmental quality: Guest rooms and public areas should be equipped with adjustable air conditionin…
• 第 6.2.4 条Lighting system: Public areas (such as lobbies and corridors) should be equipped with an intelligent lighting…
• 第 6.2.5 条Elevator system: Elevators shall be equipped with group control or energy saving operation modes (e.g., sleep…
• 第 6.2.6 条Plumbing system: Water saving sanitary fixtures shall be used in guest rooms and public restrooms (e.g., toil…
• 第 6.2.7 条Energy Management System: A building energy consumption monitoring system should be provided to enable indepe…
• 第 6.2.8 条Intelligent systems: A building automation system (BAS) shall be provided to centrally monitor and control ME…
• 第 6.2.9 条Renewable energy utilization: Solar water heating or photovoltaic systems should be used; the hot water suppl…
• 第 6.2.10 条Indoor air quality monitoring: CO₂ concentration monitoring devices should be installed in guest rooms and pu…

Resource conservation

• 第 8.1.1 条Control item : The building form, orientation, spacing, and window to wall ratio shall be optimized in accord…
• 第 8.1.2 条Control item : Measures shall be taken to reduce building energy consumption. MEP systems shall meet the mand…
• 第 8.1.3 条Control item : Measures shall be taken to conserve water. MEP systems shall use water saving fixtures (e.g., …
• 第 8.1.4 条Control item : Measures shall be taken to conserve materials. Material selection for MEP systems should prior…
• 第 8.2.1 条Scoring item : The energy efficiency coefficients (such as COP, EER, IPLV) of the cooling and heating source …
• 第 8.2.2 条Scoring Item : Use energy efficient electrical equipment and systems. This includes:<br 1. The lighting power…
• 第 8.2.3 条Scoring item : Rational use of renewable energy. MEP systems should prioritize solar water heating systems, g…
• 第 8.2.4 条Scoring item : Effective measures are taken to reduce the transmission and distribution energy consumption of…
• 第 8.2.5 条Scoring Item : Adopt effective measures to conserve water. MEP systems shall meet the following:<br 1. Water …
• 第 8.2.6 条Scoring Item : Use energy efficient elevators and escalators. Elevators shall be equipped with group control,…
• 第 8.2.7 条Scoring Item : Use energy efficient kitchen equipment and ventilation systems. The hotel kitchen shall be pro…
• 第 8.2.8 条Scoring item : Adopt energy efficient laundry equipment and systems. The hotel laundry shall be equipped with…
• 第 8.1.1 条Among the above clauses, 8.1.4 are control items (mandatory), and 8.2.1 8.2.8 are scoring items (optional; th…
• 第 8.2.2 条Due to the unique functional characteristics of hotel buildings (such as 24 hour hot water, laundry, kitchens…

Environmentally livable

• 第 8.1.3 条Control item : The sound insulation performance of exterior walls, partition walls, floors, doors and windows…
• 第 8.2.1 条Scoring Item : Measures taken to reduce noise interference. The impact sound insulation performance of hotel …
• 第 8.2.3 条Scoring Item : HVAC terminal units (e.g., fan coil units, air handling units) shall have independent adjustme…
• 第 8.2.6 条Scoring Item : Adopt high efficiency energy saving elevators and escalators. Hotel passenger elevators should…
• 第 8.2.7 条Scoring Item : Install water metering devices. The hotel should install water meters at each level (e.g., mas…

Environment livability

• 第 8.2.2 条Scoring Item : Architectural lighting design shall meet the requirements of the Standard for Lighting Design …
• 第 8.2.4 条Scoring Item : Install an air quality monitoring system. Indoor PM2.5, PM10 and CO₂ concentration monitoring …
• 第 8.2.8 条Scoring Item : Adopt water saving cooling technology. Hotel cooling towers (e.g., for air conditioning system…

Environmentally Livable

• 第 8.2.5 条Scoring item : Reasonably provide exhaust air energy recovery systems. For areas with large exhaust air volum…

Improvement and Innovation

• 第 11.2.1 条The thermal performance of the building envelope is improved by 20% over the requirements of the current nati…
• 第 11.2.2 条The energy efficiency of the cooling and heating source units of the HVAC system is better than the provision…
• 第 11.2.3 条Use energy efficient elevators or escalators, and the elevator system energy saving rate shall be no less tha…
• 第 11.2.4 条Set up a building energy consumption monitoring system to perform sub metering for major MEP equipment (such …
• 第 11.2.5 条Renewable energy (such as solar hot water, photovoltaic power generation, ground source heat pumps, etc.) is …
• 第 11.2.6 条Adopt a high efficiency lighting system, with the lighting power density (LPD) value reduced by more than 30%…
• 第 11.2.7 条Install an indoor air quality monitoring system to monitor parameters such as CO₂ and PM2.5 in real time, and…
• 第 11.2.8 条Water efficient sanitary fixtures are adopted, with water efficiency grade reaching Grade 1 (e.g., toilet wat…
• 第 11.2.9 条A rainwater harvesting or reclaimed water reuse system shall be provided, and the utilization rate of non tra…
• 第 11.2.10 条Adopt intelligent systems (such as guest room smart control, energy management platform, building automation …

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