Modular construction, an innovative and environmentally-friendly building method, is transforming the construction industry. It's a process that primarily entails constructing individual sections or 'modules' off-site, usually in a factory setting.
Each of these prefabricated sections is meticulously crafted and later transported to the designated site, where they are seamlessly assembled to create a fully formed structure. This process vastly differs from traditional construction methods, offering unique benefits, particularly concerning the environment.
In this article we will discuss the environmental benefits of modular construction as well as disclose whether or not it meets the current sustainability goals.
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The construction industry has long been recognised for its substantial environmental footprint. This comes as no surprise when you consider the countless ways in which construction interacts with and affects the environment:
Traditional construction methods, while effective in their own right, present several environmental issues that cannot be overlooked:
Modular construction has become a revolutionary force in the building sector, with its significant environmental benefits placing it at the forefront of sustainable construction.Here are four of the main environmental benefits:
When buildings are constructed in a factory setting, there is a higher degree of control over resources. This heightened control and precision reduce the possibility of overuse or wastage of materials, resulting in a more resource-efficient process.
It also curtails the requirement for excess materials to be delivered to the site, leading to fewer transportation emissions.
Since the majority of the construction takes place off-site in a controlled environment, there is considerably less disruption to the local environment. This protects local wildlife and vegetation from the disturbances that typically accompany construction projects.
The on-site assembly phase is also generally quicker than traditional construction, reducing the duration of potential noise and dust pollution.
Energy efficiency is a crucial aspect of modular construction. Modular buildings often incorporate state-of-the-art energy-saving technologies and are better insulated due to factory-controlled conditions, which can significantly reduce the energy demand during their lifetime. The buildings' design often prioritises natural light, further reducing electricity consumption for lighting.
An intriguing aspect of modular construction is the potential for reuse and recycling. If a modular building no longer serves its initial purpose, the modules can be disassembled, transported, and repurposed for a new project. This reduces waste, the need for new materials, and lowers the energy requirements for new construction.
Additionally, materials from decommissioned modules can often be recycled, further contributing to the circular economy.
Read more: Learn more about how post-tensioning is used while building bridges and buildings.
The next question to consider is, 'is modular construction sustainable enough to meet the sustainability goals?' With its reduced environmental impact and alignment with several global sustainability principles, the answer leans towards the affirmative:
Modular construction, due to its inherent benefits such as reduced material waste, lower energy consumption, and minimized site disturbance, is more likely to align well with the principles of PAS 2080. This building method can contribute to lower whole-life carbon emissions, which is the focus of the PAS 2080 standard.
However, to achieve the ultimate goal of sustainability, continuous improvements and advancements in modular construction techniques must be pursued.
Read more: We explain the advantages of modular construction and the concept of post-tensioning.
The environmental benefits of modular construction are increasingly making it the go-to choice in the construction industry. By reducing waste, promoting efficient use of resources, and facilitating recycling and reuse, modular construction offers a greener, more sustainable alternative to traditional building methods. As we strive towards global sustainability goals, the adoption of modular construction is a step
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