CMG 465 San Diego State University Sustainable Development Discussion

Description

Three-Part Assignment

Part 1: Respond to the initial post. Your initial posting should be 150-250 words.

Describe the concept of high-performance green building and include the following:

  • Your reasoning to justify the appropriateness of sustainable construction practices (a minimum of three reasons)
  • A minimum of three trends in high-performance building

Parts 2 & 3: Respond to 2 classmate posts. Your response should be a minimum of 100 words and each response should fulfill ONE of the following:

  • Build on something your classmate said.
  • Explain why and how you see things differently.
  • Ask a probing or clarifying question.
  • Share an insight from having read your classmate’s posting.
  • Offer and support an opinion or personal experience.
  • Provide additional resources concerning the discussion topic.
  • Expand on your classmate’s posting.

Classmate 1:

The best reasons to justify the appropriateness of sustainable construction focus on overcoming societal challenges, in particular environmental challenges. Compared to traditional construction methods, sustainable construction reduces the amount of fossil fuel-based energy that a building consumes, reduces the amounts of virgin materials incorporated into the construction, and incorporates the use of sustainable virgin materials.

Sustainable construction means utilizing design elements that optimize energy resources, such as the use of passive solar energy which can provide heating and cooling to a building as well as daylighting naturally (Chel & Kaushik, 2018). This reduces a building’s use of energy from the grid, which is often created by burning natural gas or coal and contributes to greenhouse gases. Designing a building to incorporate passive solar energy is sustainable and avoids negative impacts to the environment because it does not create additional greenhouse gas emissions.

In sustainable construction, the reuse of existing structures and the use of recycled materials contribute to less construction waste in landfills compared to traditional construction methods. Some recycled materials, such as the use of fly ash or coal bottom ash in mortar or recycled plastics and electronics in concrete aggregates further help to divert industrial bi-products and consumer waste from ending up in landfills.

Finally, sustainable construction incorporates the use of virgin wood in a way that is sustainable. According to Ramage et al. (2017), dimensional lumber like Sitka spruce that is used for structural purposes is harvested every 35-45 years, although 80-year-old trees provide additional structural properties. Laminated veneer lumber (LVL), on the other hand, is made out of pieces of fast-growing trees, like poplar, that are not structural as dimensional lumber but become structural through the manufacturing process. These trees can be harvested every 7 or 8 years. Products like RigidLam LVL are both certified by the Forest Stewardship Council and apply to LEED credits in sustainable construction. Because the trees are much faster growing than hardwoods like spruce and oak, their use as construction materials is more sustainable.

According to FacilitiesNet Editorial Staff (2015), some of the current trends in high-performance building include pursuing design techniques that result in a building reaching net-zero energy consumption, an increased scrutiny in the supply chain through the use of EPDs and certifications like FSC, and the construction of resilient buildings, which are buildings that are designed for longevity.

Have a great week!

Mike

Chel, A., & Kaushik, G. (2018). Renewable energy technologies for sustainable development of energy efficient building. Alexandria Engineering Journal, 57(2), 655–669. https://doi.org/10.1016/j.aej.2017.02.027

FacilitiesNet Editorial Staff. (2015, January 21). Five high-performance building trends for 2015. FacilitiesNet. https://www.facilitiesnet.com/green/tip/Five-High-…

Ramage, M. H., Burridge, H., Busse-Wicher, M., Fereday, G., Reynolds, T., Shah, D. U., Wu, G., Yu, L., Fleming, P., Densley-Tingley, D., Allwood, J., Dupree, P., Linden, P., & Scherman, O. (2017). The wood from the trees: The use of timber in construction. Renewable and Sustainable Energy Reviews, 68, 333–359. https://doi.org/10.1016/j.rser.2016.09.107

Classmate 2:

Green building construction and design seem to be the new trend when constructing new buildings. There are many parties out there advocating for climate change and the effects we as humans have on that; therefore, developing and building green sustainable facilities can help reduce our impact on the environment. However, despite all of the benefits green technology offers, there is not enough data to truly understand and justify these facilities’ long-term benefits and effectiveness, decisions based on green certification credits, and tool complexity (Leoto & Lizarralde, 2019). When a company or project is attempting to gain green certification, some decisions may be taken based on the points they may get instead of making decisions based on what may be made more financially or in an engineering sense. Additionally, since green technology is newer, there is not enough long-term information to understand the long-term effects the building will have on the environment or if it will hold up and continue to be beneficial. Finally, some of the tools and equipment installed in green facilities are more complex than the non-green counterparts. As tools and equipment become more complex, it requires maintenance workers to have a higher level of training; therefore, it will require higher wages.

One of the trends that may become more prevalent as time passes is the construction of prefabricated modular buildings (Alexander, 2021). Modular buildings may become more prevalent because when these buildings are being designed, the engineer has more control over how to build them and what materials to use.

References

Alexander, J. (2021, December 30). 13 Green Building Trends Happening Right Now. Building Element. https://greenbuildingelements.com/green-building-trends/#2-Prefabricated-Modular-Buildings (Links to an external site.)

Leoto, R. Lizarralde, G. (2019). Challenges in evaluating strategies for reducing a building’s environmental impact through Integrated Design. Building and Environment, volume 155, pages 34-46. https://doi.org/10.1016/j.buildenv.2019.03.041

Requirements: 350-450 Words Times New Roman Size 12 Font Double-Spaced APA Format Excluding the Title and References page

Please be sure to carefully follow the instructions

No plagiarism & No Course Hero & No Chegg. My professor will be submitting the paper to Turnitin

Include at least one in-text citation for each paragraph

Please be sure to use sources that are scholarly or credible

Explanation & Answer:

350 words

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