Achieving Zero Energy Building Using BIM

Zero Energy Building

1. Progress Presentation - I Achieving Zero Energy Building Using BIM Department of Civil Engineering, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, Pakistan. SUPERVISOR: Engr. Salman Hassan Muhammad Areez Behram Khan (FA20-CVE-054) Sharafat Ali Khan (FA20-CVE-078) Ali Haider Saghar (FA20-CVE-45) 1 Industrial Liaison/ Co- Supervisor Sustainable Development Goals Engr. Junaid Amin Lowering CO2 emissions

2. SEQUENCE OF PRESENTATION 2

3. ZEB Zero energy buildings are designed to produce as much energy as they consume, resulting in a net-zero energy consumption. And as well as reducing carbon emission for sustainable goals. Benefits of Zero Energy Buildings environmental impact energy costs air quality and comfort resilience to power outages 3 Introduction Achieving Zero Energy Buildings with BIM software Figure 1: ZEB Pilot House Problem statement Objectives Research significance Project schedule Results Methodology Introduction

4. Problem statement Objectives Research significance BIM: Building Information Modeling (BIM) is a digital representation of the physical and functional characteristics of a building. It enables collaborative planning, design, construction, and operation, fostering improved communication, efficiency, and decision-making throughout the entire building lifecycle. ArchiCad : Innovative BIM software offering 3D modeling and collaboration tools. DesignBuilder : DesignBuilder allows for simulation of building performance, supporting analysis of energy consumption, daylighting, and HVAC system. EnergyPlus : EnergyPlus , a robust building energy simulation software, stands out for its accuracy and versatility, supporting detailed analysis and customization. 4 Project schedule Results Figure 2: Icons of Softwares ( DesignBuilder , ArchiCad & EnergyPlus ) Methodology Introduction Introduction Achieving Zero Energy Buildings with BIM software

5. Problem statement Introduction “The world is facing a critical situation with the increasing demand for energy and the depletion of natural resources . Buildings are one of the major consumers of energy with 30% overall global final energy consumption (source ISA), and the construction industry is responsible for a significant amount of greenhouse gas emissions with amount of 36% overall release (source ISA) .” In order to address this problem, there is a need to explore innovative ways to reduce carbon emission/green house gas effects from built environment. ZEB & Circular Economy are promising concepts that can help to resolve these problems and collaboration with modern technology such as BIM will lead to a promising solution.” 5 Problem statement Objectives Research significance Methodology Project schedule Expected Results Achieving Zero Energy Buildings with BIM software

6. Problem statement Objectives Introduction To explore the benefits of zero energy building and its impact on the environment and society. To utilize BIM to achieve ZEB To develop a comprehensive methodology for achieving zero energy building using BIM. 6 Objectives Research significance Methodology Project schedule Expected Results Achieving Zero Energy Buildings with BIM software Figure 3: Energy Efficient Home

7. Problem statement Objectives Research significance Introduction The research on achieving zero energy building using BIM is significant in several ways. Firstly, it addresses the increasing need for sustainable and energy-efficient buildings in the face of global climate change. Secondly, it explores the potential of BIM as a tool for achieving zero energy building, which can have significant implications for the construction industry. Thirdly, the research can contribute to the development of new techniques and best practices for achieving zero energy building using BIM, which can be applied in future building projects. 7 Research significance Methodology Project schedule Expected Results Achieving Zero Energy Buildings with BIM software Figure 4: Green Building

8. Problem statement Objectives Research significance Methodology Introduction Selection Of Software & Industry Standard: Literature Review & Online Ratings ASHRAE 228-2023 standards Building Energy Model (BEM) Development: 3D Model Creation Material and Component Data Initial Energy Evaluation: Baseline Assessment Identify Inefficiencies. 8 Methodology Project schedule Results Achieving Zero Energy Buildings with BIM software Figure 5: ANSI/ASHRAE standard 228-2023

9. Problem statement Objectives Research significance Methodology Introduction Unit Model Creation: simplified representation of the building, focusing on essential elements and characteristics. becomes easier to establish a baseline for energy consumption allowing for clearer identification of areas for improvement. DesignBuilder and Simulation: The standardized file format . gbxml ensures interoperability between different Building Information Modeling (BIM) software and simulation tools, allowing for seamless data transfer into DesignBuilder . The simulation takes into account factors such as solar radiation, thermal properties, and HVAC systems, offering a holistic view of the building's behavior under various conditions. ASHRAE Standards Integration: Outline how ASHRAE standards were incorporated into the Unit Model for benchmarking. Emphasize the importance of following recognized standards for energy performance. 9 Methodology Project schedule Results Figure 6: Unit BEM (Building Energy Model) Created In ArchiCad 26 and exported to DesignBuilder Achieving Zero Energy Buildings with BIM software

10. Problem statement Objectives Research significance Methodology Introduction Techniques Applied to Reduce CO2 on unit model: Applying different Glazing types Shading WWR ratio (window-to-wall ratio) Changing Different ground reflectance percentages. Orientation Tried different types of insulation filler materials. (note: 1-4 after designing stage & 5-6 before designing stage). Future Steps and Recommendations: Energy Source Generation Integration of Renewable Energy Sources 10 Methodology Project schedule Results Figure 7 & 8: ASHRAE Standard Formulas for Annual site calculation for both Energy Source & GHGs Achieving Zero Energy Buildings with BIM software

11. Problem statement Objectives Research significance Methodology Introduction Results 11 Results Project Schedule Following are the some results: Percentage Reduction: there is maximum 11 % reduction in Energy Consumption on mentioned orientations of building with increase of CO2 emission only by 0.7 %. Achieving Zero Energy Buildings with BIM software Consumption Factor Energy Consumption (kWh) % increase/decrease 0° 206987.5 90° 183925 -11.1 180° 198212.5 -4.2 270° 214325 3.5 Consumption Factor CO2 emission (kg) % increase/decrease 0° 12025 90° 12112.5 0.7 180° 12050 0.2 270° 11950 -0.6 For Orientation:

12. Problem statement Objectives Research significance Methodology Introduction Results 12 Results Project Schedule Following are the some results: As you can see the CO2 emission is reduced by 96.8 % using some techniques such as Changing Glazing type, Insulation Filler Material, WWR and Shading. Achieving Zero Energy Buildings with BIM software Embodied Carbon (kgCO2) Building Total Before 61553 Building Total After 1970.5 % reduce 96.8 2. Glazing Type,WWR , Insulation Filler material & Shading:

13. Problem statement Objectives Research significance Methodology Introduction Project schedule 13 Project schedule Expected Results Achieving Zero Energy Buildings with BIM software Figure 11: Gantt Chart For Project Schedule

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