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GB/T 51366-2019: Standard for building carbon emission calculation Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid
Similar standardsGB/T 51366-2019: Standard for building carbon emission calculation---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT51366-2019GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC P GB/T 51366-2019 Standard for building carbon emission calculation Issued on. APRIL 09, 2019 Implemented on. DECEMBER 01, 2019 Issued by. Ministry of Housing and Urban-Rural Development of PRC; State Administration for Market Regulation. Standard for building carbon emission calculation Main drafting organization. Ministry of Housing and Urban-Rural Development of PRC Approved by. Ministry of Housing and Urban-Rural Development of PRC Date of implementation. December 01, 2019 China Construction Industry Press 2019 Beijing Announcement of the Ministry of Housing and Urban-Rural Development of the People's Republic of China 2009 No.101 Table of ContentsForeword... 5 1 General provisions... 7 2 Terms and symbols... 8 2.1 Terms... 8 2.2 Symbols... 8 3 Basic requirements... 13 4 Carbon emission calculation for operation period... 14 5 Carbon emission calculation for construction and demolition period... 23 6 Carbon emission calculation for building material production and transportation period... 28 Appendix A Main energy carbon emission factor... 31 Appendix B Building using characteristics... 33 Appendix C Energy consumption rating per machine per team... 36 Appendix D Carbon emission factor for building material... 43 Appendix E Carbon emission factor for building material transportation... 45 Explanation of wording in this standard... 46 List of quoted standards... 471 General provisions1.0.1 This standard was formulated, in order to implement the national policies on addressing climate change and energy conservation and emission reduction, standardize the calculation method of building carbon emissions, save resources, protect the environment. 1.0.2 This standard applies to the calculation of carbon emissions, during the operation, construction and demolition, production and transportation of building materials, for newly built, expanded, renovated civil buildings. 1.0.3 In addition to complying with this standard, the calculation of building carbon emissions shall also comply with the current relevant national standards.2 Terms and symbols2.1 Terms 2.1.1 Building carbon emission The total greenhouse gas emissions, which are produced by a building during its related building material production and transportation, construction and demolition, operation stages, expressed in carbon dioxide equivalents. 2.1.4 Carbon sink of buildings The amount of carbon dioxide, which is absorbed and stored by greenery and vegetation from the air, within the scope of a defined building project. 2.2 Symbols 2.2.1 Geometric dimensions A - Building area; Ac - Solar collector area; Ai - The lighting area of the i-th room; Ap - The net area of photovoltaic panels of the photovoltaic system;3 Basic requirements3.0.1 The calculation of building carbon emissions shall be based on a single building or a group of buildings. 3.0.2 The calculation method of building carbon emission can be used to calculate carbon emissions during the building design stage, OR to calculate carbon emissions after the building is constructed. 3.0.3 The calculation of building carbon emissions shall be calculated by stage according to different needs; the segmented calculation results can be accumulated into the carbon emissions of the building throughout its service life. 3.0.5 To calculate the carbon emissions caused by electricity consumption during the building operation, construction, demolition stages, the average carbon emission factor of the regional power grid published by relevant national agencies shall be used.4 Carbon emission calculation for operation period4.1 General requirements 4.1.1 The calculation scope of carbon emissions during the building operation stage shall include the carbon emissions from HVAC, domestic hot water, lighting and elevators, renewable energy, building carbon sink system, during the building operation period. sink systems. 4.1.4 The carbon emissions during the building operation stage shall be determined, based on the different types of energy consumption of each system and the carbon emission factors of different types of energy. The total carbon emissions per unit building area during the building operation stage (CM) shall be calculated, according to the following formula. 4.2 Building HVAC system 4.2.1 The energy consumption of the HVAC system shall include the energy consumption of cold sources, heat sources, transmission and distribution systems, terminal air treatment equipment. 4.2.3 The building zoning in the building carbon emission calculation model shall consider the physical separation of the building, the functions of the building area, the HVAC system that provides services to the zoning, the lighting in the zone (through external windows or skylights). 4.2.4 The annual heating (cooling) load shall include the heat loss of the building envelope and the heating (cooling) demand for processing fresh air. The heating (cooling) demand for processing fresh air shall deduct the heating (cooling) recovered from the exhaust air. 4.2.10 When calculating building carbon emissions, it shall calculate the effects of air tightness, wind pressure and heat pressure, the personnel density, the fresh air volume, the heat recovery system efficiency on ventilation load. 4.2.11 The cumulative cooling load and heating load of the building shall be calculated, based on the air conditioning system of the building zone. The cooling load and heating load of the building zone, which is served by the same HVAC system, shall be calculated separately. 4.2.14 The performance parameters of cold and heat sources and related energy- consuming equipment, which is used in building carbon emission calculations, shall be consistent with the design documents. 4.3 Domestic hot water system 4.3.1 The calculation of the annual heat consumption of domestic hot water in a building shall be based on the actual operation of the building and shall be calculated according to the following formula. 4.4 Lighting and elevator system 4.4.1 The lighting power density value, which is used in the calculation of building carbon emissions, shall be consistent with the design document. 4.5 Renewable energy system 4.5.1 Renewable energy systems shall include solar domestic hot water systems, photovoltaic systems, ground source heat pump systems, wind power generation systems. 4.5.2 The energy provided by the solar hot water system can be calculated as follows.5 Carbon emission calculation for construction and demolition period5.1 General requirements 5.1.1 The carbon emissions during the building construction stage shall include the carbon emissions, which are generated by completing the construction of each division work or item work, as well as the carbon emissions generated during the implementation of various measures. 5.2 Building construction 5.2.1 The carbon emissions during the building construction stage shall be calculated according to the following formula. 5.3 Building demolition 5.3.1 The carbon emissions per unit building area during the building demolition stage shall be calculated as follows. 5.3.2 The energy consumption in the manual and mechanical demolition stages of the building shall be calculated, according to the following formula. 5.3.4 The energy consumption generated by the transportation of garbage after the building is demolished shall be calculated, according to the provisions of Article 6.3 of this standard.6 Carbon emission calculation for building material production and transportation period6.1 General requirements 6.1.3 The calculation of carbon emissions during the production and transportation stages of building materials shall include building main structure materials, building envelope materials, building components and parts, etc. The determination of the main building materials included in the calculation shall comply with the following requirements. 6.2 Building material production 6.2.5 When producing building materials, if low-value waste is used as raw material, the carbon process in the upstream process can be ignored. When other renewable raw materials are used, they shall be calculated based on 50% of the carbon emissions of the primary raw materials they replace. 6.3 Building material transportation 6.3.1 Carbon emissions during the transportation stage of building materials shall be calculated as follows. 6.3.3 The carbon emission factor (Ti) in the transportation stage of building materials shall include the direct carbon emissions in the transportation process of building materials from the production site to the construction site AND the carbon emissions in the production process of energy consumed in the transportation process. The carbon emission factor (Ti) during the transportation stage of building materials can be based on the default value in Appendix E of this standard. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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