Short answer
Designers and engineers should actively incorporate construction phase impacts into their sustainability assessments and decision-making, rather than solely focusing on operational efficiency.
- Field
- Sustainability
- Source
- Journal of Infrastructure Systems (2009)
- Method
- Augmented process-based hybrid LCA
- Evidence
- Strong effect
The environmental impact of the construction phase of buildings, often overlooked, is as significant as other life-cycle stages and warrants dedicated assessment. This sustainability research insight is drawn from a 2009 study published in Journal of Infrastructure Systems. Using Augmented process-based hybrid lca, researchers explored how this design variable affects real-world outcomes. The key design takeaway: Designers and engineers should actively incorporate construction phase impacts into their sustainability assessments and decision-making, rather than solely focusing on operational efficiency.
Construction Phase Environmental Impact is as Significant as Other Building Life-Cycle Stages
The environmental impact of the construction phase of buildings, often overlooked, is as significant as other life-cycle stages and warrants dedicated assessment.
Journal of Infrastructure Systems · 2009
Key Findings
- 01The construction phase contributes significantly to the overall environmental impact of buildings, comparable to other life-cycle stages.
- 02Service sectors within construction are notable contributors to methane and CO2 emissions.
- 03Input-Output (IO) results, particularly for construction service sectors, are critical for accurate construction LCA modeling.
Application
Design takeaway
Designers and engineers should actively incorporate construction phase impacts into their sustainability assessments and decision-making, rather than solely focusing on operational efficiency.
How to apply
When initiating a building design project, conduct an initial LCA focusing on the construction phase to identify high-impact activities and materials. Explore alternative construction methods and service providers that demonstrate lower environmental footprints.
Project actions
- 01When planning a design project, think about how it will be made, not just how it will be used.
- 02Use tools like Life-Cycle Assessment (LCA) to understand the environmental cost of manufacturing and assembly.
Method & Evidence
Variables
Strengths & Limitations
Strengths
- +Comprehensive LCA methodology including hybrid approach.
- +Focus on the often-neglected construction phase.
Limitations
Performing a full LCA can be complex and data-intensive. Simplified models may not capture all nuances of construction impacts.
Reliability & validity
The validity of the findings relies heavily on the accuracy and completeness of the input data for the LCA model. The hybrid approach aims to improve reliability by combining detailed process data with broader economic input-output data.
Think critically
How might the findings of this study influence the selection of construction materials and techniques for future building projects, and what are the potential trade-offs?
Design Principles
"Holistic Life-Cycle Assessment: Evaluate environmental impacts across all stages of a product or process, from raw material extraction to end-of-life."
Designers and engineers must consider the entire lifecycle of a building, not just its operational use. Neglecting the construction phase can lead to underestimating the total environmental burden of a project, impacting sustainability goals and regulatory compliance.
What This Means for Your Design
Building construction creates a lot of pollution and uses a lot of energy, just like using the building does. We need to measure and reduce this impact.
How to use in your project
- 1.Reference this study when discussing the importance of considering the entire product lifecycle, including manufacturing and construction, in your design project's environmental analysis.
Add to My Project
Quick Cite
Paragraph starter
This research highlights the critical importance of evaluating the environmental impacts associated with the construction phase of buildings, demonstrating that these impacts are comparable in significance to other life-cycle stages. By employing a hybrid Life-Cycle Assessment (LCA) methodology, the study reveals that construction services, in particular, contribute substantially to greenhouse gas emissions, underscoring the need for designers and engineers to integrate construction phase considerations into their sustainability strategies.
Source
Journal of Infrastructure Systems
Life-Cycle Assessment Modeling of Construction Processes for Buildings
journal · 2009
View sourceQuestions About This Research
- What does the research say about construction phase environmental impact is as significant as other building life-cycle stages?
- Designers and engineers should actively incorporate construction phase impacts into their sustainability assessments and decision-making, rather than solely focusing on operational efficiency. Evidence: Journal of Infrastructure Systems (2009).
- Why does "Construction Phase Environmental Impact is as Significant as Other Building Life-Cycle Stages" matter for design?
- Designers and engineers must consider the entire lifecycle of a building, not just its operational use. Neglecting the construction phase can lead to underestimating the total environmental burden of a project, impacting sustainability goals and regulatory compliance.
- How can designers apply this research?
- Designers and engineers should actively incorporate construction phase impacts into their sustainability assessments and decision-making, rather than solely focusing on operational efficiency.
- What were the main findings?
- The construction phase contributes significantly to the overall environmental impact of buildings, comparable to other life-cycle stages.. Service sectors within construction are notable contributors to methane and CO2 emissions.. Input-Output (IO) results, particularly for construction service sectors, are critical for accurate construction LCA modeling.
- What research method was used?
- Augmented process-based hybrid LCA.
- How strong is the evidence?
- Evidence strength is rated Strong effect, based on a 2009 journal from Journal of Infrastructure Systems.
- What should I do differently in my next project?
- When initiating a building design project, conduct an initial LCA focusing on the construction phase to identify high-impact activities and materials. Explore alternative construction methods and service providers that demonstrate lower environmental footprints.
- What are the limitations?
- The study focused on commercial buildings; findings may vary for residential or specialized structures. The accuracy of IO data can influence the results.