GB/T 50378-2019 PDF English (GB/T 50378-2014: Older version)

GB/T50378-2019 (GBT50378-2019): PDF in English

GB/T 50378-2019 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC P GB/T 50378-2019 Assessment standard for green building ISSUED ON: MARCH 13, 2019 IMPLEMENTED ON: AUGUST 01, 2019 Issued by: Ministry of Housing and Urban-Rural Development of PRC; State Administration for Market Regulation. Table of Contents Foreword ... 5  1 General provisions ... 7  2 Terms ... 7  3 Basic requirements ... 8  3.1 General requirements... 8  3.2 Assessment and rating ... 9  4 Safety and durability ... 12  4.1 Prerequisite items... 12  4.2 Scoring items... 12  5 Health and comfort ... 15  5.1 Prerequisite items... 15  5.2 Scoring items... 17  6 Occupant convenience ... 20  6.1 Prerequisite items... 20  6.2 Scoring items... 20  7 Resource saving ... 24  7.1 Prerequisite items... 24  7.2 Scoring items... 26  8 Environment livability ... 33  8.1 Prerequisite items... 33  8.2 Scoring items... 34  9 Promotion and innovation ... 38  9.1 General requirements... 38  9.2 Bonus points... 38  Explanation of wording in this standard ... 40  List of quoted standards ... 41  Assessment standard for green building 1 General provisions 1.0.1 In order to implement the concept of green development, promote the high-quality development of green buildings, save resources, protect the environment, meet the people's growing needs for a better life, this standard is formulated. 1.0.2 This standard applies to the assessment of the green performance of civil buildings. 1.0.3 The assessment of green buildings shall follow the principle of adapting measures to local conditions, combining the characteristics of the climate, environment, resources, economy and culture of the area where the building is located, to make comprehensive assessment of such performances as safety, durability, health and comfort, living convenience, resource conservation, and environmental livability. 1.0.4 The site design and architectural layout of green buildings shall be combined with the topography and geomorphology; the architectural layout shall be adapted to the climatic conditions and geographical environment of the site; the wind environment, light environment, thermal environment, acoustic environment of the site shall be organized and utilized. 1.0.5 In addition to complying with the provisions of this standard, the assessment of green buildings shall also comply with the provisions of relevant national standards. 2 Terms 2.0.1 Green building A high-quality building which, during the whole life cycle, saves resources, protects the environment, reduces pollution, provides people with healthy, applicable and efficient use of space, maximizes the realization of harmonious coexistence between man and nature. 2.0.2 Green performance It involves the comprehensive performance of building safety and durability, health and comfort, living convenience, resource saving (land saving, energy saving, water saving, material saving) and environmental livability. 2.0.3 Decorated Before delivery, all interior walls, top surfaces, floors of residential buildings are paved and painted, doors and windows, fixed furniture, equipment pipelines, switch sockets, kitchen and toilet fixtures are installed in place; all fixed surfaces in public areas of public buildings are paved and painted; basic equipment such as water, heating, electricity and ventilation are all installed in place. 2.0.4 Heat island intensity The difference between the temperature in an area of a city and the temperature in the suburbs, expressed by the difference between the temperature at the representative measurement points of the two, which is the characterizing parameter of the urban heat island effect. 2.0.5 Green building material The building materials which, during the whole life cycle, can reduce the consumption of resources and reduce the impact on the ecological environment, has the characteristics of energy saving, emission reduction, safety, health, convenience and recyclability. 3 Basic requirements 3.1 General requirements 3.1.1 The green building assessment shall take a single building or a group of buildings as the assessment object. The assessment object shall implement and deepen the green development requirements as put forward by the upper- level statutory planning and related special plans; the systematic and holistic indicators shall be evaluated based on the overall situation of the engineering project to which the building belongs. 3.1.2 Green building assessment shall be carried out after the completion of the construction project. Pre-assessment can be carried out after the construction drawing design of the construction project is completed. 3.1.3 The assessment applicant shall conduct full-life technical and economic analysis of the participating buildings; select appropriate technologies, equipment and materials; control the entire process of planning, design, construction, operation; submit corresponding analysis and testing report and related documents during the assessment. The party applying for assessment shall be responsible for the authenticity and completeness of the submitted The concentration reduction basis is the relevant requirements of the current national standard "Indoor air quality standard" GB/T 18883. 4 Safety and durability 4.1 Prerequisite items 4.1.1 The site shall avoid geologically dangerous areas such as landslides and mudslides. The flood-prone areas shall have reliable flood control infrastructure; the site shall be free from threats of hazardous chemicals, flammable and explosive sources; it shall be free from hazards of electromagnetic radiation and radon-containing soil. 4.1.2 The building structure shall meet the requirements of bearing capacity and building function. Building's exterior walls, roofs, doors and windows, curtain walls and external insulation and other enclosure structures shall meet the requirements of safety, durability and protection. 4.1.3 External facilities such as external shading, solar energy facilities, air- conditioning outdoor units, external wall flower ponds shall be designed and constructed uniformly with the main structure of the building; it shall have the installation, repair and maintenance conditions. 4.1.4 The non-structural components, equipment and auxiliary facilities inside the building shall be firmly connected and able to adapt to the deformation of the main structure. 4.1.5 The exterior doors and windows of the building must be installed firmly; their wind pressure resistance and watertightness performance shall comply with the current relevant national standards. 4.1.6 The floor of the toilet and bathroom shall be provided with a waterproof layer; the wall and ceiling shall be provided with a moisture-proof layer. 4.1.7 Passage spaces such as corridors and evacuation passages shall meet the requirements of emergency evacuation and emergency care; it shall be kept unblocked. 4.1.8 There shall be a warning and guidance marking system for safety protection. 4.2 Scoring items I Safety pedestrian and bicycle traffic systems have adequate lighting: the assessment score is 8 points. II Durability 4.2.6 Take measures to improve the adaptability of buildings. The total assessment score is 18 points, which are scored and accumulated according to the following rules: 1 Adopt a universal, open, flexible and variable use space design, or take measures to change the use of the building's functions: 7 points; 2 Separate building structure from building equipment pipeline: 7 points; 3 Use equipment and facility layout methods or control methods that are compatible with building functions and spatial changes: 4 points. 4.2.7 Take measures to improve the durability of construction parts and components. The total assessment score is 10 points, which is scored and accumulated according to the following rules: 1 Use pipes, pipelines and fittings with good corrosion resistance, aging resistance and durability: 5 points; 2 Select long-life products for the active parts; consider the same life of the parts combination. When parts with different service life are combined, use a structure that is convenient for separate replacement, update and upgrade: 5 points. 4.2.8 Improve the durability of building structure materials. The total assessment score is 10 points, which are scored based on the following rules: 1 For durability design based on 100 years: 10 points. 2 Use building structural materials with good durability and meet one of the following conditions: 10 points: 1) For concrete members, increase the thickness of the protective layer of steel bar or use high-durability concrete; 2) For steel members, use weathering-resistance structural steel and weathering-resistance ant-corrosion paints; 3) For wood members, use ant-corrosion wood, durable wood or durable wood products. 4.2.9 Reasonably use durable and easy-to-maintain decoration building materials. The total assessment score is 9 points, which are respectively scored national standard "Code for sound insulation design of civil buildings" GB 50118; 2 The sound insulation performance of exterior walls, partition walls, floors, doors and windows shall meet the minimum requirements in the current national standard "Code for sound insulation design of civil buildings" GB 50118. 5.1.5 Architectural lighting shall meet the following requirements: 1 The quantity and quality of lighting shall comply with the current national standard "Standard for lighting design of building" GB 50034; 2 The places where people stay for a long time shall adopt non-hazardous lighting products that comply with the current national standard "Photobiological safety of lamps and lamp systems" GB/T 20145; 3 The fluctuation depth of the light output waveform of the selected LED lighting products shall meet the requirements of the .......
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