Management system that calculates the embodied carbon (EC) of buildings from cradle to handover

Abstract

A management system that calculates the embodied carbon (EC) of buildings from cradle to handover, which includes a first generation unit, a second generation unit, an engineering material supplier database, a construction energy consumption emission database and a carbon emission value calculation unit, by cooperating the building information modeling (BIM) generated by the first generation unit and the construction flow chart generated by the second generation unit with various engineering material input combinations, construction equipment combinations and carbon emission coefficients selected from the engineering material supplier database and the construction energy consumption emission database, the carbon emission value calculation unit can generate multiple construction combinations of buildings from cradle to handover, and calculate the total carbon emissions embodied in each construction combination to accurately calculate the carbon emissions during the building construction process.

Description

Technical Field

[0001] The present invention relates to a product management system, and more particularly to a management system for calculating the embodied carbon emissions (EC) of a building from cradle to handover. Prior Art

[0002] As climate change becomes a global concern, industries across all sectors are taking action to reduce greenhouse gas emissions. Carbon Footprint Verification is a key measure. This involves quantifying carbon emissions generated at each stage of a product's lifecycle, such as manufacturing, providing services, or engaging in activities. The accuracy and transparency of these calculations are ensured through third-party audits. This process is crucial to achieving sustainable development.

[0003] Calculating a building's carbon emissions during construction is not only a manifestation of a builder's social responsibility but also a necessary step to maintaining competitiveness in the international market. Calculating carbon emissions allows builders to clearly understand the primary sources of emissions during construction, enabling them to develop emission reduction strategies for potentially high-emission areas. For example, a builder may discover that energy use is a major source of carbon emissions and consider switching to green energy to improve energy efficiency and reduce their carbon footprint. Furthermore, many countries and regions have enacted carbon emission regulations requiring builders to report and reduce carbon emissions during construction. Accurate carbon inventory reporting helps builders comply with regulations and avoid fines. Furthermore, many international trade agreements and green certification programs require the provision of carbon emissions data. Even many investment institutions consider a builder's environmental, social, and governance (ESG) performance when making investment decisions.

[0004] More importantly, carbon inventories can help builders identify potential energy and resource waste, thereby optimizing the construction materials and processes required to build a building and reducing costs. Therefore, the importance of carbon inventories as a core sustainable management strategy for modern builders is self-evident. By accurately calculating the carbon emissions of buildings during construction, builders not only fulfill their social responsibilities but also enhance their market competitiveness and economic efficiency, contributing to the mitigation of global climate change. Summary of the Invention

[0005] The object of the present invention is to provide a management system for calculating the embodied carbon (EC) of a building from cradle to handover that can solve one of the above problems.

[0006] To achieve the aforementioned objectives, the present invention provides a management system for calculating the embodied carbon emissions (EC) of a building from cradle to handover, comprising: a first generation unit for generating a Building Information Model (BIM) list based on the building, wherein the BIM list lists the names of the required physical engineering materials, the numbers and quantities of the corresponding physical engineering materials, and the names of the equipment engineering materials, and the numbers and quantities of the corresponding equipment engineering materials; a second generation unit for generating a construction flow sequence list based on the building. a construction process sequence list that lists the construction steps required to build the building; a construction material supplier database that is connected to the first generation unit, and that selects a plurality of material combinations for the body engineering materials based on the name of the body engineering materials, the number and quantity of the corresponding body engineering materials, and has a built-in carbon emission coefficient for the body engineering materials used to produce the body engineering materials; a plurality of material combinations for the equipment engineering materials based on the name of the equipment engineering materials, the number and quantity of the corresponding equipment engineering materials, and has a built-in carbon emission coefficient for the equipment engineering materials used to produce the equipment engineering materials; a construction energy consumption emission database, The second generating unit is connected to list the construction equipment required for each construction process according to the construction process listed in the construction process sequence list, so as to select a plurality of construction equipment combinations. The construction energy consumption and emission database has a carbon emission coefficient of the construction equipment energy consumption for each construction process of the building; and a carbon emission value calculation unit is connected to the engineering material supplier database and the construction energy consumption and emission database. Based on a plurality of the body engineering material input combinations, a plurality of the equipment engineering material input combinations and a plurality of the construction equipment combinations, a plurality of construction combinations of the building from cradle to handover are generated, and the total embodied carbon emission value of the building is calculated for each construction combination.

[0007] The present invention has the following advantages: by designing a building information model (BIM) list generated by the first generation unit and a construction process sequence list generated by the second generation unit, in conjunction with the engineering material supplier database, a plurality of body engineering material input combinations are selected and matched, and the body engineering material production carbon emission coefficients for the internal production of the body engineering materials are built-in; a plurality of equipment engineering material input combinations are selected and matched, and the equipment engineering material production carbon emission coefficients for the internal production of the equipment engineering materials are built-in; and in conjunction with the construction energy consumption emission database, a plurality of construction equipment combinations are selected and matched, and the construction equipment energy consumption carbon emission coefficients for each construction process of the building are built-in. This enables the carbon emission value calculation unit to generate a plurality of construction combinations of the building from cradle to handover, and calculate the total embodied carbon emission value of each construction combination, thereby accurately calculating the carbon emission value of the building during the construction process, allowing the construction company to fulfill its social responsibility, improve its market competitiveness and economic benefits, and contribute to the mitigation of global climate change.

[0008] Preferably, the engineering material supplier database also has built-in carbon emission coefficients for the transportation and distribution of the body engineering materials, and carbon emission coefficients for the transportation and distribution of the equipment engineering materials, so as to improve the accuracy of the carbon emission value calculation unit in calculating the total embodied carbon emissions of the building from cradle to completion.

[0009] Preferably, the body engineering materials include first-order engineering materials and / or second-order engineering materials; the equipment engineering materials include at least one of air-conditioning equipment materials, electrical equipment materials, transportation equipment materials and water supply and drainage sanitary pipeline materials.

[0010] Preferably, the first-order engineering materials include at least one of earthwork, steel bars, cement, aluminum, glass and wood; the second-order engineering materials include at least one of main structure engineering materials, exterior wall engineering materials, exterior window engineering materials, interior partition wall engineering materials, floor interior decoration engineering materials and roof exterior decoration engineering materials.

[0011] Preferably, the construction equipment includes at least one of an excavator, a bulldozer, a concrete mixer, a tower crane and a diesel generator.

[0012] Preferably, the construction energy consumption and emission database also has built-in carbon emission coefficients for construction waste treatment in each construction process of the building, so as to improve the accuracy of the carbon emission value calculation unit in calculating the total embodied carbon emission value of the building from cradle to completion.

[0013] Preferably, the total embodied carbon emission value of the building calculated by each construction combination of the carbon emission value calculation unit includes a carbon emission value for the production of body engineering materials, a carbon emission value for the production of equipment engineering materials, a carbon emission value for energy consumption of construction equipment, a carbon emission value for transportation and distribution of body engineering materials, a carbon emission value for transportation and distribution of equipment engineering materials, and a carbon emission value for treatment of construction waste, wherein the carbon emission value for the production of body engineering materials, the carbon emission value for the production of equipment engineering materials, the carbon emission value for energy consumption of construction equipment, and the carbon emission value for treatment of construction waste are calculated by multiplying the corresponding activity data by the corresponding carbon emission coefficient; the carbon emission value for transportation and distribution of body engineering materials is calculated based on the address of the selected engineering material supplier through GOOGLE MAP calculates the distance, and has multiple transportation and delivery tool combinations based on different transportation and delivery vehicles. The corresponding carbon emission value combination is calculated based on the carbon emission coefficient of the transportation and delivery of the body engineering materials. The carbon emission value of the transportation and delivery of the equipment engineering materials is calculated through GOOGLE MAP based on the address of the selected engineering material supplier. There are multiple transportation and delivery tool combinations based on different transportation and delivery vehicles. The corresponding carbon emission value combination is calculated based on the carbon emission coefficient of the transportation and delivery of the equipment engineering materials. This improves the accuracy of the carbon emission value calculation unit in calculating the total embodied carbon emissions of the building from cradle to completion.

[0014] Preferably, the carbon emission coefficients of the body engineering materials are provided by the engineering material supplier, or are referenced from the building component carbon emission coefficient database, or from the Environmental Product Declaration (EPD) database, or from the carbon footprint product category rules. The carbon emission coefficients for equipment and engineering materials manufacturing are provided by the engineering materials supplier or by reference to the industry association database. The carbon emission coefficients for construction equipment energy consumption are provided by the equipment manufacturer or by reference to the official machinery and equipment carbon coefficient database or the industry association database, or by conversion based on the operating ratio of installed smart meters. The carbon emission coefficients for the transportation and distribution of physical engineering materials and equipment and engineering materials are provided by logistics companies or engineering materials suppliers, or by reference to the carbon emission coefficient database for various types of transportation vehicles. The carbon emission coefficients for construction waste disposal are provided by construction waste outsourcing companies, or by reference to the emission coefficients calculated according to the International Greenhouse Gas Inventory Guidelines (IPCC) or by reference to the industry association database, thereby improving the accuracy of the carbon emission value calculation unit in calculating the total embodied carbon emissions of the building from cradle to completion.

[0015] Preferably, the carbon emission coefficient for the production of body engineering materials, the carbon emission coefficient for the production of equipment engineering materials, the carbon emission coefficient for the energy consumption of construction equipment, the carbon emission coefficient for the transportation and distribution of body engineering materials, the carbon emission coefficient for the transportation and distribution of equipment engineering materials, and the carbon emission coefficient for the treatment of construction waste are calculated based on per piece (CO₂e / per piece), per unit weight (CO₂e / kg), per unit volume (CO₂e / m 3), per unit hour (CO₂e / hr), per piece per hour (CO₂e / per piece*hr), per piece per unit distance (CO₂e / per piece*km), per unit weight distance (CO₂e / kg*km), or per unit volume distance (CO₂e / m 3*km).

[0016] Preferably, the carbon emission value calculation unit further calculates the total carbon emission coefficient of the building construction combination, which includes the carbon emission coefficient of the production of the body engineering materials, the carbon emission coefficient of the production of the equipment engineering materials, the carbon emission coefficient of the energy consumption of the construction equipment, the carbon emission coefficient of the transportation and distribution of the body engineering materials, the carbon emission coefficient of the transportation and distribution of the equipment engineering materials, and the carbon emission coefficient of the treatment of construction waste. When any carbon emission coefficient is lower than 5% of the total carbon emission coefficient of the building construction combination, it may not be included in the calculation of the total embodied carbon emissions of the building, thereby reducing the load of the carbon emission value calculation unit in calculating the total embodied carbon emissions of the building from cradle to completion.

[0017] Preferably, the carbon emission value calculation unit further calculates the total embodied carbon emissions of the building construction combination, and the total embodied carbon emissions include the carbon emissions of the production of the body engineering materials, the carbon emissions of the production of the equipment engineering materials, the carbon emissions of the energy consumption of the construction equipment, the carbon emissions of the transportation and distribution of the body engineering materials, the carbon emissions of the transportation and distribution of the equipment engineering materials, and the carbon emissions of the treatment of construction waste. When any carbon emission value is lower than 5% of the total embodied carbon emissions of the building, it may not be included in the calculation of the total embodied carbon emissions of the building, thereby reducing the load of the carbon emission value calculation unit in calculating the total embodied carbon emissions of the building from cradle to completion.

[0018] Preferably, the management system also includes a selection unit, which is connected to the engineering material supplier database and is responsible for selecting the top five engineering material suppliers with the lowest carbon emission values as a reference for the procurement supplier source of the engineering materials; the selection unit is also connected to the construction energy consumption emission database and is responsible for selecting the top five construction equipment with the lowest carbon emission values as a reference for the use of construction equipment.

[0019] Preferably, the carbon emission coefficient for the production of body engineering materials, the carbon emission coefficient for the production of equipment engineering materials, the carbon emission coefficient for energy consumption of construction equipment, the carbon emission coefficient for transportation and distribution of body engineering materials, the carbon emission coefficient for transportation and distribution of equipment engineering materials, and the carbon emission coefficient for treatment of construction waste are updated annually based on the latest published values, so as to improve the accuracy of the carbon emission value calculation unit in calculating the total embodied carbon emissions of the building from cradle to completion. Simple diagram description

[0020] Figure 1 is a block diagram of an embodiment of the present invention, showing the overall architecture of the management system; Figure 2 is a flow chart of an embodiment of the present invention, showing the construction process of a building from cradle to handover; Figure 3 is a block diagram of an embodiment of the present invention, showing the contents of the building information model list (BIM) related to the body engineering materials; Figure 4 is a block diagram of an embodiment of the present invention, showing the contents of the equipment engineering materials in the building information model list (BIM); Figure 5 is a block diagram of an embodiment of the present invention, showing the contents of the construction process sequence list (construction flow chart) in the relevant construction process; Figure 6 is a block diagram of an embodiment of the present invention, showing the calculation parameters of the carbon emission value calculation unit for calculating the total carbon emission value of a building; FIG7 is a block diagram of an embodiment of the present invention, showing calculation parameters for calculating the sum of carbon emission coefficients in a carbon emission value calculation unit; and FIG8 is a block diagram of an embodiment of the present invention showing selected parameters of selected cells. Implementation Method

[0021] 1 , an embodiment of the present invention provides a management system for calculating the embodied carbon (EC) of a building from cradle to handover. The management system primarily comprises a first generation unit 10, a second generation unit 20, a database of construction material suppliers 30, a database of construction energy consumption and emissions 40, a carbon emission value calculation unit 50, and a selection unit 60. Specifically,

[0022] Referring to Figures 2 to 4 , the first generation unit 10 generates a Building Information Model (BIM) list 11 based on the building 100. This list lists the names, numbers, and quantities of the required physical engineering materials, and the names, numbers, and quantities of the corresponding equipment engineering materials. In this embodiment, the physical engineering materials refer to the materials required for the building's primary load-bearing structure and include, but are not limited to, first-tier engineering materials and / or second-tier engineering materials. First-tier engineering materials (Tier 1 Materials) refer to key foundational building materials provided directly from raw material suppliers or major building material manufacturers. For example, these Tier 1 materials include earth, steel bars, cement, aluminum, glass, and wood. Tier 2 materials refer to modular components that are further processed and assembled from Tier 1 materials. For example, these materials include main structural materials, exterior wall materials, exterior window materials, interior partition wall materials, interior flooring materials, and exterior roofing materials. Equipment materials refer to materials for internal building equipment and systems, such as, but not limited to, air conditioning equipment, electrical equipment, transportation equipment, and water supply and drainage piping.

[0023] 2 and 5 , the second generating unit 20 generates a construction flow chart 21 based on the building 100. The construction flow chart 21 lists the construction steps required to construct the building 100. In this embodiment, the construction steps only list the major construction phases, including foundation engineering: site leveling, pile foundation construction, foundation excavation, and concrete pouring; structural engineering: formwork and support erection, rebar binding, concrete pouring, and floor slab and beam and column construction; exterior wall and roof engineering: exterior wall masonry, plastering, waterproofing, and roof waterproofing and insulation; electromechanical and equipment installation: water supply and drainage pipe installation, electrical pipeline laying, and air conditioning and firefighting equipment installation; and interior decoration: floor tile laying, ceiling construction, painting, and door and window installation, but the scope of application is not limited thereto.

[0024] Referring to Figures 2 to 4, the engineering material supplier database 30 is connected to the first generation unit 10. According to the name of the body engineering material, the number and quantity corresponding to the body engineering material, a plurality of body engineering material input combinations are selected. The engineering material supplier database 30 has a built-in body engineering material production carbon emission coefficient 31 for producing the body engineering material; according to the name of the equipment engineering material, the number and quantity corresponding to the equipment engineering material, a plurality of equipment engineering material input combinations are selected. The engineering material supplier database 30 has a built-in equipment engineering material production carbon emission coefficient 32 for producing the equipment engineering material; in this embodiment, the engineering material supplier database 30 also has a built-in body engineering material transportation and distribution carbon emission coefficient 33 for transporting and distributing the body engineering material, and an equipment engineering material transportation and distribution carbon emission coefficient 34 for transporting and distributing the equipment engineering material. The carbon emission coefficient 31 for the production of body engineering materials is provided by the engineering material supplier, or can be referenced from the building component carbon emission coefficient database, the Environmental Product Declaration (EPD) database, the carbon footprint product category rules (PCR) database, the low-carbon circular building material carbon emission coefficient database, or the industry association database. The carbon emission coefficient 32 for the production of equipment engineering materials is provided by the engineering material supplier, or can be referenced from the industry association database. The carbon emission coefficient 33 for the transportation and distribution of body engineering materials and the carbon emission coefficient 34 for the transportation and distribution of equipment engineering materials are provided by logistics companies or engineering material suppliers, or can be referenced from the carbon emission coefficient database for various types of transportation vehicles.

[0025] In the engineering material supplier database 30, the carbon emission coefficient for the production of body engineering materials 31, the carbon emission coefficient for the production of equipment engineering materials 32, the carbon emission coefficient for the transportation and distribution of body engineering materials 33, and the carbon emission coefficient for the transportation and distribution of equipment engineering materials 34 refer to the amount of carbon dioxide equivalent emitted per unit of production (or energy consumption, or service volume). Activity data refers to the production volume (or energy consumption, or service volume) over a period of time, primarily calculated and estimated using the unit items of the emission coefficient. Each activity data item can be automatically input using optical character recognition (OCR) or AI-OCR, and information can be shared between systems using an API (Application Programming Interface). Therefore, the carbon emission coefficient 31 for the production of body engineering materials, the carbon emission coefficient 32 for the production of equipment engineering materials, the carbon emission coefficient 33 for the transportation and distribution of body engineering materials, and the carbon emission coefficient 34 for the transportation and distribution of equipment engineering materials are calculated based on per piece (CO₂e / per piece), per unit weight (CO₂e / kg), per unit volume (CO₂e / m³), per unit hour (CO₂e / hr), per piece per hour (CO₂e / per piece*hr), per piece per unit distance (CO₂e / per piece*km), per unit weight distance (CO₂e / kg*km), or per unit volume distance (CO₂e / m³*km). Furthermore, the carbon emission coefficient 31 for the production of body engineering materials, the carbon emission coefficient 32 for the production of equipment engineering materials, the carbon emission coefficient 33 for the transportation and distribution of body engineering materials, and the carbon emission coefficient 34 for the transportation and distribution of equipment engineering materials are updated annually based on the most recently published values.

[0026] 2 and 5 , the construction energy consumption and emission database 40 is connected to the second generation unit 20 and lists the construction equipment required for each construction process according to the construction process sequence list 21 to select a plurality of construction equipment combinations. The construction energy consumption and emission database 40 includes a carbon emission coefficient 41 for the energy consumption of the construction equipment for each construction process of the building 100 and a carbon emission coefficient 42 for the treatment of construction waste for each construction process of the building. The construction equipment includes, for example, excavators, bulldozers, and pile drivers used for earthwork and foundation construction; concrete mixers, vibrators, and tower cranes used for concrete and structural construction; electric welders, steel bar cutters, and steel bar benders used for formwork and steel bar engineering; construction elevators, cranes, scaffolding, tower cranes, and diesel generators used for high-altitude and lifting operations; and electric drills, cutting machines, and testing instruments used for the installation of electromechanical equipment. In this embodiment, the construction equipment energy consumption carbon emission coefficient 41 is provided by the equipment manufacturer, or is obtained by referring to an official machinery carbon coefficient database, referring to an industry association database, or by converting the operating ratio using a smart meter. The construction waste treatment carbon emission coefficient 42 is provided by the construction waste outsourcing vendor, or is calculated by referring to the International Greenhouse Gas Inventory (IPCC) Guidelines, or by referring to an industry association database.

[0027] The definition, calculation basis, and update cycle of the "carbon emission coefficient" in the construction equipment energy consumption carbon emission coefficient 41 and the construction waste treatment carbon emission coefficient 42 referred to in the construction energy consumption and emission database 40 are the same as those set out in paragraph 30 of the engineering material supplier database, and therefore will not be repeated here.

[0028] As shown in Figures 2, 6, and 7, the carbon emission calculation unit 50 is linked to the construction material supplier database 30 and the construction energy consumption and emission database 40. Based on a plurality of the body construction material input combinations, a plurality of the equipment construction material input combinations, and a plurality of the construction equipment combinations, a plurality of construction combinations are generated for the building 100 from cradle to handover. For each of these construction combinations, a total embodied carbon emission value for the building 100 is calculated. In this embodiment, the total embodied carbon emission value calculated by the carbon emission calculation unit 50 for each construction combination includes a body construction material production carbon emission value, a equipment construction material production carbon emission value, a construction equipment energy consumption carbon emission value, a body construction material transportation and distribution carbon emission value, a equipment construction material transportation and distribution carbon emission value, and a construction waste disposal carbon emission value. The carbon emissions from the production of physical construction materials, the production of equipment materials, the carbon emissions from energy consumption of construction equipment, and the carbon emissions from construction waste disposal are calculated by multiplying the corresponding activity data by the corresponding carbon emission coefficients to create a corresponding carbon emission value combination. The carbon emissions from the transportation and delivery of physical construction materials are calculated using Google Maps based on the address of the selected material supplier. Based on the different transportation and delivery vehicles, there are multiple combinations of transportation and delivery vehicles. The carbon emissions from the transportation and delivery of equipment materials are calculated using Google Maps based on the address of the selected material supplier. Based on the different transportation and delivery vehicles, there are multiple combinations of transportation and delivery vehicles. The carbon emissions from the transportation and delivery of equipment materials are calculated using the corresponding carbon emission value combination of the transportation and delivery of equipment materials.

[0029] Taking the aforementioned building 100 as an example, according to its Building Information Model (BIM) list 11, the required material names, corresponding material numbers, and quantities (for simplicity, quantities are all represented as 1) are as follows: Earthwork (name): U1001 (number) * 1 (quantity). Rebar: U1002 * 1. Cement: U1002 * 1. Aluminum: U1003 * 1. Glass: U1004 * 1. Wood: U1005 * 1. Main structural material: U2001 * 1. Exterior wall material: U2002 * 1. Exterior window material: U2003 * 1. Interior partition wall material: U2004 * 1. Floor interior material: U2005 * 1. Roof exterior material: U2006 * 1. Furthermore, according to the Building Information Model (BIM) 11, the required equipment and engineering material names, numbers, and quantities are as follows: Air conditioning equipment material (name): V1001 (number) * 1 (quantity). Electrical equipment material: V1002 * 1. Transportation equipment material: V2001 * 1. Water supply and drainage piping material: V2002 * 1.

[0030] Referring to Tables 1 and 2 below, assume that the building information model (BIM) 11 for a building 100 lists the following components: U1 (number) * 1 (quantity), U2 * 1, and U3 * 1 for structural engineering materials, and V1 (number) * 1 (quantity), V2 * 1, and V3 * 1 for equipment engineering materials. Two suppliers, A and B, are found in the engineering material supplier database. Supplier A's carbon emission coefficients 31 for the production of structural engineering materials are (U1MW)A, (U2MW)A, and (U3MW)A; and supplier A's carbon emission coefficients 32 for the production of equipment engineering materials are (V1MW)A, (V2MW)A, and (V3MW)A. Supplier B's carbon emission factors 31 for the production of body engineering materials are (U1MW)B, (U2MW)B, and (U3MW)B; Supplier B's carbon emission factors 32 for the production of equipment engineering materials are (V1MW)B, (V2MW)B, and (V3MW)B. For simplicity, the carbon emission factors are calculated on a per-piece basis (CO₂e / per piece). Similarly, Supplier A's carbon emission factors 33 for the transportation and distribution of body engineering materials are (U1TW)A, (U2TW)A, and (U3TW)A; Supplier A's carbon emission factors 34 for the transportation and distribution of equipment engineering materials are (V1TW)A, (V2TW)A, and (V3TW)A. Supplier B's carbon emission coefficients 33 for the transportation and distribution of body engineering materials are (U1TW)B, (U2TW)B, and (U3TW)B; Supplier B's carbon emission coefficients 34 for the transportation and distribution of equipment engineering materials are (V1TW)B, (V2TW)B, and (V3TW)B. For simplicity, assuming the carbon emission coefficients are calculated based on unit distance per piece (CO₂e / per piece*km), and the corresponding activity data are transportation distances d1 and d2 kilometers, respectively, the total carbon emissions for a production and manufacturing combination sourcing from different suppliers can be calculated as follows.

[0031] Table 1 Carbon emissions from the production of body engineering materials provided by Supplier A Body Engineering Material Number quantity (Activity Data) Body engineering materials Manufacturing Carbon emission coefficient Carbon emissions from the production of body engineering materials (CO₂e) Body engineering materials Transportation and Distribution Carbon emission coefficient Carbon emissions from transportation and distribution of body engineering materials (CO₂e) U1 1 (U1MW)A [(U1MW)A]*1 (U1TW)A [(U1TW)A]*d1 U2 1 (U2MW)A [(U2MW)A]*1 (U2TW)A [(U2TW)A]*d1 U3 1 (U3MW)A [(U3MW)A]*1 (U3TW)A [(U3TW)A]*d1 Carbon emissions from the production of equipment and engineering materials provided by Supplier A Equipment Engineering Material Number quantity (Activity Data) Equipment engineering materials Manufacturing Carbon emission coefficient Carbon emissions from equipment and engineering material production (CO₂e) Equipment engineering materials Transportation and Distribution Carbon emission coefficient Carbon emissions from equipment engineering materials transportation and distribution (CO₂e) V1 1 (V1MW)A [(V1MW)A]*1 (V1TW)A [(V1TW)A]*d1 V2 1 (V2MW)A [(V2MW)A]*1 (V2TW)A [(V2TW)A]*d1 V3 1 (V3MW)A [(V3MW)A]*1 (V3TW)A [(V3TW)A]*d1 Note: U: Body engineering materials. V: Equipment engineering materials. M: Manufacture. T: Transportation. W: Weighting. A: Supplier. d1: Transportation distance.

[0032] The carbon emission value of the body engineering materials produced by Supplier A is:

[0033] Σ(SUM)=[(U1MW)A]*1+[(U2MW)A]*1+[(U3MW)A]*1

[0034] The carbon emission value of transportation and distribution of body engineering materials provided by Supplier A is:

[0035] Σ(SUM)= [(U1TW)A]*d1+[(U2TW)A]*d1+[(U3TW)A]*d1

[0036] The carbon emission value of the equipment engineering materials produced by Supplier A is:

[0037] Σ(SUM)=[(V1MW)A]*1+[(V2MW)A]*1+[(V3MW)A]*1

[0038] The carbon emission value of equipment, engineering materials, transportation and distribution provided by Supplier A is:

[0039] Σ(SUM)= [(V1TW)A]*d1+[(V2TW)A]*d1+[(V3TW)A]*d1

[0040] Table 2 Carbon emissions from the production of body engineering materials provided by Supplier B Body Engineering Material Number quantity (Activity Data) Body engineering materials Manufacturing Carbon emission coefficient Carbon emissions from the production of body engineering materials (CO₂e) Body engineering materials Transportation and Distribution Carbon emission coefficient Carbon emissions from transportation and distribution of body engineering materials (CO₂e) U1 1 (U1MW)B [(U1MW)B]*1 (U1TW)B [(U1TW)B]*d2 U2 1 (U2MW)B [(U2MW)B]*1 (U2TW)B [(U2TW)B]*d2 U3 1 (U3MW)B [(U3MW)B]*1 (U3TW)B [(U3TW)B]*d2 Carbon emissions from the production of equipment and engineering materials provided by Supplier B Equipment Engineering Material Number quantity (Activity Data) Equipment engineering materials Manufacturing Carbon emission coefficient Carbon emissions from equipment and engineering material production (CO₂e) Equipment engineering materials Transportation and Distribution Carbon emission coefficient Carbon emissions from equipment engineering materials transportation and distribution (CO₂e) V1 1 (V1MW)B [(V1MW)B]*1 (V1TW)B [(V1TW)B]*d2 V2 1 (V2MW)B [(V2MW)B]*1 (V2TW)B [(V2TW)B]*d2 V3 1 (V3MW)B [(V3MW)B]*1 (V3TW)B [(V3TW)B]*d2 Note: U: Body engineering materials. V: Equipment engineering materials. M: Manufacture. T: Transportation. W: Weighting. B: Supplier. d2: Transportation distance.

[0041] The carbon emission value of the body engineering materials produced by Supplier B is:

[0042] Σ(SUM)=[(U1MW)B]*1+[(U2MW)B]*1+[(U3MW)B]*1

[0043] The carbon emission value of the transportation and distribution of the body engineering materials provided by Supplier B is:

[0044] Σ(SUM)= [(U1TW)B]*d2+[(U2TW)B]*d2+[(U3TW)B]*d2

[0045] The carbon emission value of the equipment and engineering materials produced by Supplier B is:

[0046] Σ(SUM)=[(V1MW)B]*1+[(V2MW)B]*1+[(V3MW)B]*1

[0047] The carbon emission value of equipment, engineering materials, transportation and distribution provided by Supplier B is:

[0048] Σ(SUM)= [(V1TW)B]*d2+[(V2TW)B]*d2+[(V3TW)B]*d2

[0049] In conjunction with Tables 3 and 4 below, according to the construction flow chart 21, the construction processes required to construct the building 100 include foundation engineering, structural engineering, exterior wall and roofing engineering, and mechanical, electrical, and equipment installation. Assuming the construction processes in the construction flow chart 21 for a building 100 are as shown above, and the construction equipment required for each construction process is found in the construction energy consumption and emission database 40 as I1, I2, I3, and I4, and two types of construction equipment, C and D, are available. For simplicity, assuming the carbon emission coefficient for each piece of construction equipment is calculated based on CO₂e / per piece*hr, and the activity data is the operating time of the construction equipment from t1 to t4, the total carbon emissions from the energy consumption of the construction equipment using different types of construction equipment can be calculated as follows.

[0050] Table 3 C. Carbon emission value of energy consumption of construction equipment by type of construction equipment construction equipment Construction equipment operating time (activity data) Energy consumption of construction equipment Carbon emission coefficient Energy consumption of construction equipment Carbon emissions (CO₂e) I1 t1 (I1W)C [(I1W)C]*t1 I2 t2 (I2W)C [(I2W)C]*t2 I3 t3 (I3W)C [(I3W)C]*t3 I4 t4 (I4W)C [(I4W)C]*t4 Note: I: Construction equipment. W: Weighting carbon emission factor. t1 to t4: Construction equipment operating time. C: Types of construction equipment.

[0051] The total carbon emissions from energy consumption of construction equipment of type C are:

[0052] Σ(SUM)=[(I1W)C]*t1+[(I2W)C]*t2+[(I3W)C]*t3+[(I4W)C]*t4

[0053] Table 4 D. Carbon emission value of energy consumption of construction equipment by type of construction equipment construction equipment Construction equipment operating time (activity data) Energy consumption of construction equipment Carbon emission coefficient Energy consumption of construction equipment Carbon emissions (CO₂e) I1 t1 (I1W)D [(I1W)D]*t1 I2 t2 (I2W)D [(I2W)D]*t2 I3 t3 (I3W)D [(I3W)D]*t3 I4 t4 (I4W)D [(I4W)D]*t4 Note: I: Construction equipment. W: Weighting carbon emission factor. t1 to t4: Construction equipment operating time. D: Types of construction equipment.

[0054] The total carbon emissions from energy consumption of construction equipment of type D are:

[0055] Σ(SUM)=[(I1W)D]*t1+[(I2W)D]*t2+[(I3W)D]*t3+[(I4W)D]*t4

[0056] Table 5 below shows a construction flow chart 21 listing the construction steps required to construct the building 100, including foundation engineering, structural engineering, exterior wall and roofing engineering, and mechanical, electrical, and equipment installation. Assuming the construction steps in the construction flow chart 21 for a building 100 are as shown above, and the waste types generated by each construction step are identified from the construction energy consumption and emission database 40 as G1, G2, G3, and G4, for simplicity. Assuming the construction waste treatment carbon emission coefficient 42 for each construction step is calculated based on unit weight (CO₂e / kg), and the activity data is waste treatment weights m1 to m4, the total carbon emissions from construction waste treatment for each construction step of the building 100 can be calculated as follows:

[0057] Table 5 Carbon emissions from construction waste treatment waste type Waste disposal weight (activity data) Construction waste disposal Carbon emission coefficient Construction waste disposal Carbon emissions (CO₂e) G1 m1 G1W [G1W]*m1 G2 m2 G2W [G2W]*m2 G3 m3 G3W [G3W]*m3 G4 m4 G4W [G4W]*m4 Note: G: Waste. W: Weighting carbon emission factor. m1 to m4: Waste treatment weight.

[0058] The total carbon emissions from construction waste treatment during the 100 construction steps of this building are:

[0059] Σ(SUM)= [G1W]*m1+[G2W]*m2+[G3W]*m3+[G4W]*m4

[0060] Based on this, the carbon emission value calculation unit 50 can calculate the total embodied carbon emissions (EC) of the building 100 under multiple construction combinations from cradle to handover. For example, the total embodied carbon emissions of one of the construction combinations (supplier A and type C of construction equipment) is:

[0061] Σ(SUM)= [(U1MW)A]*1+[(U2MW)A]*1+[(U3MW)A]*1+ [(U1TW)A]*d1+[(U2TW)A]*d1+[(U3TW)A]*d1+ [(V1MW)A]*1+[(V2MW)A]*1+[(V3MW)A]*1+ [(V1TW)A]*d1+[(V2TW)A]*d1+[(V3TW)A]*d1+ [(I1W)C]*t1+[(I2W)C]*t2+[(I3W)C]*t3+[(I4W)C]*t4+ [G1W]*m1+[G2W]*m2+[G3W]*m3+[G4W]*m4

[0062] The selection unit 60 can sort out the top five suppliers with the lowest carbon emissions and the top five types of construction equipment with the lowest carbon emissions from the total embodied carbon emissions under these multiple construction combinations.

[0063] 1 and 8 , the selection unit 60 is connected to the engineering material supplier database 30 and is responsible for selecting the top five engineering material suppliers with the lowest carbon emission values as a reference for the procurement supplier source of the engineering materials. The engineering materials include body engineering materials and equipment engineering materials. The selection unit 60 is also connected to the construction energy consumption and emission database 40 and is responsible for selecting the top five construction equipment with the lowest carbon emission values as a reference for the use of the construction equipment.

[0064] Accordingly, the present invention designs a building information model list (BIM) 11 generated by the first generation unit 10 and a construction process sequence list 21 generated by the second generation unit 20, and matches the engineering material supplier database 30 to select and allocate a plurality of body engineering material input combinations, a body engineering material production carbon emission coefficient 31 for the internal production of the body engineering material, and a body engineering material transportation and distribution carbon emission coefficient 33, and selects and allocates a plurality of equipment engineering material input combinations, and a equipment engineering material production carbon emission coefficient 32 for the internal production of the equipment engineering material, and a equipment engineering material transportation and distribution carbon emission coefficient 34, and matches the construction energy consumption emission database 40 to select and allocate a plurality of construction equipment combinations, and a built-in construction The carbon emission coefficient 41 of the energy consumption of the construction equipment in each construction process of the building 100 and the carbon emission coefficient 42 of the construction waste treatment in each construction process of the building are built in, so that the carbon emission value calculation unit 50 can generate multiple construction combinations of the building 100 from cradle to completion, and calculate the total embodied carbon emissions of each construction combination. The total embodied carbon emissions include the carbon emission value of the production and manufacturing of the main engineering materials, the carbon emission value of the production and manufacturing of the equipment engineering materials, the carbon emission value of the energy consumption of the construction equipment, the carbon emission value of the transportation and distribution of the main engineering materials, the carbon emission value of the transportation and distribution of the equipment engineering materials, and the carbon emission value of the construction waste treatment, so as to accurately calculate the carbon emission value of the building 100 during the construction process.

[0065] This invention accurately calculates the carbon emissions during the construction of the building 100, thereby serving as the core foundation for a comprehensive assessment of the total embodied carbon emissions. This has the following key implications for environmental management and sustainable development for builders:

[0066] First, environmental impact assessment: Accurately calculating and counting carbon emissions helps assess the impact of buildings on the environment and provides a scientific basis for reducing carbon footprints.

[0067] Second, compliance with regulations and standards: Many countries and regions have formulated regulations and green building standards related to building carbon emissions. Accurately calculating carbon emissions values can ensure that construction projects comply with regulatory requirements and avoid fines or other legal liabilities.

[0068] Third, optimize design and material selection: Through carbon emission data analysis, low-carbon building materials and environmentally friendly design solutions can be selected to reduce carbon emissions throughout the building's life cycle.

[0069] Fourth, reduce operating costs and improve energy efficiency: Through carbon emission calculations, energy consumption hotspots can be identified, thereby optimizing building energy efficiency design, reducing long-term operating costs, and improving building sustainability.

[0070] Fifth, enhance market competitiveness and the image of builders: With the rise of the green building trend, construction projects that can effectively control and reduce carbon emissions are more attractive in the market, while also enhancing the social responsibility image and brand value of builders.

[0071] It's worth noting that the carbon emission calculation unit 50 also calculates the total carbon emission coefficient for the building 100 construction package. This total carbon emission coefficient includes the carbon emission coefficient 31 for the production of construction materials, the carbon emission coefficient 32 for the production of equipment materials, the carbon emission coefficient 41 for the energy consumption of construction equipment, the carbon emission coefficient 33 for the transportation and distribution of construction materials, the carbon emission coefficient 34 for the transportation and distribution of equipment materials, and the carbon emission coefficient 42 for the disposal of construction waste. If any carbon emission coefficient is less than 5% of the total carbon emission coefficient for the building 100 construction package, it can be excluded from the calculation of the building's total embodied carbon emissions based on the principle of effective control. This reduces the load on the carbon emission calculation unit 50's calculation of the building 100's total embodied carbon emissions from cradle to handover.

[0072] Taking one of the above construction combinations (Supplier A and Type C of Construction Equipment) as an example, the total carbon emission factor is:

[0073] Σ(SUM)= (U1MW)A+(U2MW)A+(U3MW)A+ (U1TW)A+(U2TW)A+(U3TW)A+ (V1MW)A+(V2MW)A+(V3MW)A+ (V1TW)A+(V2TW)A+(V3TW)A+ (I1W)C+(I2W)C+(I3W)C+(I4W)C+ G1W+ G2W+ G3W+ G4W

[0074] When any carbon emission coefficient is lower than 5% of the total carbon emission coefficient of the building 100, it may be excluded from the calculation of the total embodied carbon emissions of the building 100 based on the effective control principle.

[0075] Similarly, the carbon emission calculation unit 50 further calculates the total embodied carbon emissions of the building 100 construction package. This total embodied carbon emissions includes the carbon emissions from the production of the building's construction materials, the production of the equipment materials, the energy consumption of the construction equipment, the transportation and distribution of the building's construction materials, the transportation and distribution of the equipment materials, and the treatment of construction waste. If any carbon emission value is less than 5% of the total embodied carbon emissions of the building 100, it may be excluded from the calculation of the total embodied carbon emissions of the building 100 based on the principle of effective control. This reduces the burden on the carbon emission calculation unit 50 in calculating the total embodied carbon emissions of the building 100 from cradle to completion.

[0076] Taking one of the above construction combinations (Supplier B and Type D of Construction Equipment) as an example, the total embodied carbon emissions are:

[0077] Σ(SUM)= [(U1MW)B]*1+[(U2MW)B]*1+[(U3MW)B]*1+ [(U1TW)B]*d1+[(U2TW)B]*d1+[(U3TW)B]*d1+ [(V1MW)B]*1+[(V2MW)B]*1+[(V3MW)B]*1+ [(V1TW)B]*d1+[(V2TW)B]*d1+[(V3TW)B]*d1+ [(I1W)D]*t1+[(I2W)D]*t2+[(I3W)D]*t3+[(I4W)D]*t4+ [G1W]*m1+[G2W]*m2+[G3W]*m3+[G4W]*m4

[0078] When any carbon emission value is lower than 5% of the total embodied carbon emissions of the building 100, it may not be included in the calculation of the total embodied carbon emissions of the building 100 based on the principle of effective control.

[0079] 100… buildings 10…First generation unit 11…Building Information Model List 20…Second generation unit 21…Construction process sequence list 30…Engineering Materials Supplier Database 31…Carbon emission coefficient of body engineering material production 32… Carbon emission coefficient of equipment and engineering materials production 33…Carbon emission coefficient for transportation and distribution of materials for body engineering 34…Carbon emission coefficient for equipment engineering materials transportation and distribution 40…Construction Energy Consumption and Emission Database 41…Construction equipment energy consumption carbon emission coefficient 42…Carbon emission coefficient of construction waste treatment 50…Carbon emission value calculation unit 60...Selected units

Claims

1. A management system for calculating the embodied carbon emissions (EC) of a building from cradle to handover, comprising: a first generation unit (10), generating a building information model list (11) based on a building (100), wherein the building information model list (11) lists the names of the required body engineering materials, the numbers and quantities of the corresponding body engineering materials, and the names of the equipment engineering materials, and the numbers and quantities of the corresponding equipment engineering materials; a second generation unit (20), generating a construction process sequence list (21) based on the building (100), wherein the construction process sequence list (21) lists the construction processes required to construct the building; a construction material supplier database (30) connected to the first generation unit (10), for selecting a plurality of construction material input combinations according to the name of the trunk construction material, the number and quantity corresponding to the trunk construction material, and having a trunk construction material production carbon emission coefficient (31) built in the construction material supplier database (30); for selecting a plurality of construction material input combinations according to the name of the equipment construction material, the number and quantity corresponding to the equipment construction material, and having a equipment construction material production carbon emission coefficient (32) built in the construction material supplier database (30); a construction energy consumption and emission database (40) connected to the second generation unit (20), which lists the construction equipment required for each construction process according to the construction process listed in the construction process sequence list to select a plurality of construction equipment combinations, and the construction energy consumption and emission database (40) has a carbon emission coefficient (41) of the construction equipment energy consumption for each construction process of the building; and a carbon emission value calculation unit (50) connected to the engineering material supplier database (30) and the construction energy consumption and emission database (40), which generates a plurality of construction combinations of the building from cradle to handover according to a plurality of the body engineering material input combinations, a plurality of the equipment engineering material input combinations and a plurality of the construction equipment combinations, and calculates the total embodied carbon emission value of the building for each construction combination; wherein, The management system also includes a selection unit (60), which is connected to the engineering material supplier database (30) and is responsible for selecting the top five engineering material suppliers with the lowest carbon emission values as a reference for the procurement supplier source of the engineering material.

2. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 1, wherein: The engineering material supplier database (30) also has built-in carbon emission coefficients (33) for transporting and distributing the body engineering materials and carbon emission coefficients (34) for transporting and distributing the equipment engineering materials.

3. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 1, wherein: The construction energy consumption and emission database (40) also has built-in construction waste treatment carbon emission coefficients (42) for each construction process of constructing the building (100).

4. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 2, wherein: The construction energy consumption and emission database (40) also has built-in construction waste treatment carbon emission coefficients (42) for each construction process of constructing the building (100).

5. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 4, wherein: The total embodied carbon emission value of the building calculated by each construction combination of the carbon emission value calculation unit (50) includes a carbon emission value for the production of body engineering materials, a carbon emission value for the production of equipment engineering materials, a carbon emission value for energy consumption of construction equipment, a carbon emission value for transportation and distribution of body engineering materials, a carbon emission value for transportation and distribution of equipment engineering materials, and a carbon emission value for treatment of construction waste, wherein the carbon emission value for the production of body engineering materials, the carbon emission value for the production of equipment engineering materials, the carbon emission value for energy consumption of construction equipment, and the carbon emission value for treatment of construction waste are calculated by multiplying the corresponding activity data by the corresponding carbon emission coefficient to obtain a corresponding carbon emission value combination; the carbon emission value for transportation and distribution of body engineering materials is calculated by multiplying the corresponding activity data by the corresponding carbon emission coefficient through GOOGLE The MAP calculation distance has a plurality of transportation and distribution tool combinations according to different transportation and distribution vehicles, and the corresponding carbon emission value combination is calculated according to the carbon emission coefficient (33) of the transportation and distribution of the body engineering materials; the carbon emission value of the transportation and distribution of the equipment engineering materials is calculated through GOOGLE MAP based on the address of the selected engineering material supplier, and has a plurality of transportation and distribution tool combinations according to different transportation and distribution vehicles, and the corresponding carbon emission value combination is calculated according to the carbon emission coefficient (34) of the transportation and distribution of the equipment engineering materials.

6. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 4, wherein: The carbon emission coefficient (31) of the manufacturing of the body engineering materials is provided by the engineering material supplier, or by reference to the carbon emission coefficient database of building components, or the Environmental Product Declaration (EPD) database, or the Carbon Footprint Product Category Rules (CFR). PCR) database, or refer to the carbon emission coefficient database of low-carbon circular building materials, or refer to the database of industry associations; the carbon emission coefficient of equipment and engineering materials production and manufacturing (32) is provided by the engineering materials supplier, or refer to the database of industry associations; the carbon emission coefficient of construction equipment energy consumption (41) is provided by the equipment manufacturer, or refer to the official mechanical equipment carbon coefficient database, or refer to the database of industry associations, or install smart meters and convert according to the operating ratio; the carbon emission coefficient of the body engineering materials transportation and distribution (33) and the carbon emission coefficient of the equipment and engineering materials transportation and distribution (34) are provided by logistics manufacturers or engineering materials suppliers, or refer to the carbon emission coefficient database of various types of transportation vehicles; the carbon emission coefficient of construction waste treatment (42) is provided by the construction waste outsourcing manufacturer, or refer to the emission coefficient calculated according to the National Greenhouse Gas Inventory Guidelines (IPCC) guidelines, or refer to the database of industry associations.

7. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 4, wherein: The carbon emission coefficient for the production of the body engineering materials (31), the carbon emission coefficient for the production of the equipment engineering materials (32), the carbon emission coefficient for the energy consumption of the construction equipment (41), the carbon emission coefficient for the transportation and distribution of the body engineering materials (33), the carbon emission coefficient for the transportation and distribution of the equipment engineering materials (34) and the carbon emission coefficient for the treatment of construction waste (42), the calculation basis of each of the carbon emission coefficients is per piece (CO₂e / per piece), per unit weight (CO₂e / kg), per unit volume (CO₂e / m3), per unit hour (CO₂e / hr), per piece per hour (CO₂e / per piece*hr), per piece per unit distance (CO₂e / per piece*km), per unit weight distance (CO₂e / kg*km) or per unit volume distance (CO₂e / m3*km).

8. A cradle to handover embodied carbon (EC) management system for a building as described in claim 4, wherein: The carbon emission value calculation unit (50) further calculates the total carbon emission coefficient of the construction combination of the building (100), which includes the carbon emission coefficient of the production of the body engineering materials (31), the carbon emission coefficient of the production of the equipment engineering materials (32), the carbon emission coefficient of the energy consumption of the construction equipment (41), the carbon emission coefficient of the transportation and distribution of the body engineering materials (33), the carbon emission coefficient of the transportation and distribution of the equipment engineering materials (34), and the carbon emission coefficient of the treatment of construction waste (42). When any carbon emission coefficient is lower than 5% of the total carbon emission coefficient of the construction combination of the building, it may not be included in the calculation of the total embodied carbon emission value of the building.

9. A cradle to handover embodied carbon (EC) management system for a building as described in claim 4, wherein: The carbon emission value calculation unit (50) further calculates the total embodied carbon emission value of the building construction combination, and the embodied carbon emission value includes the carbon emission value of the production of the body engineering materials, the carbon emission value of the production of the equipment engineering materials, the carbon emission value of the energy consumption of the construction equipment, the carbon emission value of the transportation and distribution of the body engineering materials, the carbon emission value of the transportation and distribution of the equipment engineering materials, and the carbon emission value of the treatment of construction waste. When any carbon emission value is lower than 5% of the total embodied carbon emission value of the building, it may not be included in the calculation of the total embodied carbon emission value of the building.

10. A management system for calculating the cradle to handover embodied carbon emissions (EC) of a building as described in claim 1, wherein: The selection unit (60) is connected to the construction energy consumption and emission database (40) and is responsible for selecting the top five construction equipment with the lowest carbon emission values as a reference for the use of the construction equipment.

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