Construction

Definition

In the context of lifecycle assessment methodology, construction refers to the process of building or assembling infrastructure and products, which involves various materials and energy inputs. This phase is crucial in assessing the environmental impact of a product or project, as it encompasses resource extraction, material production, and energy use. Understanding construction helps to evaluate the sustainability of practices, materials used, and the overall footprint of development projects.

5 Must Know Facts For Your Next Test

1. Construction accounts for a significant portion of global greenhouse gas emissions, making it essential to assess its environmental impact during lifecycle assessments.
2. The choice of materials used in construction can greatly influence the sustainability and energy efficiency of buildings and infrastructure.
3. Construction processes often involve heavy machinery and equipment that consume large amounts of energy and contribute to air pollution.
4. Lifecycle assessments consider the construction phase to help identify opportunities for reducing waste and enhancing resource efficiency.
5. Innovative construction methods, like modular construction and green building practices, are being developed to minimize environmental impacts.

Review Questions

• How does the construction phase impact the overall lifecycle assessment of a product or project?
  • The construction phase significantly impacts the overall lifecycle assessment as it includes material sourcing, energy consumption, and waste generation. This phase can contribute heavily to the carbon footprint and resource depletion associated with a project. By analyzing construction practices, we can identify areas for improvement in sustainability and efficiency, ultimately influencing decisions about materials and methods used.
• Discuss how sustainable materials can change the impact of the construction phase in lifecycle assessments.
  • Sustainable materials play a vital role in reducing the environmental impact during the construction phase. By selecting materials with lower embodied energy and greater durability, projects can decrease emissions associated with manufacturing and transportation. Additionally, sustainable materials often promote better waste management practices and can enhance energy efficiency in the completed structures, which are critical factors considered in lifecycle assessments.
• Evaluate the significance of assessing construction's environmental impact in shaping future building practices and policies.
  • Assessing the environmental impact of construction is crucial for shaping future building practices and policies aimed at sustainability. By understanding how construction contributes to greenhouse gas emissions and resource depletion, stakeholders can implement regulations and incentives that promote greener construction methods. This evaluation encourages innovation in design and materials, ultimately leading to more responsible development that aligns with global sustainability goals.

Related terms

Embodied Energy: The total amount of energy required to produce a building material, including extraction, manufacturing, and transportation.

Sustainable Materials: Materials that are sourced responsibly and have a lower environmental impact throughout their lifecycle compared to conventional materials.

Carbon Footprint: The total amount of greenhouse gases emitted directly or indirectly by an individual, organization, event, or product throughout its lifecycle.