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7 Tips to Make Your Construction Business Greener

The increasing awareness of environmental impacts caused by consumption has heightened interest in sustainability and green practices, particularly in the building and construction industry. This sector, responsible for approximately 39% of global greenhouse gas emissions and a significant consumer of natural resources, faces growing public and regulatory scrutiny. As such, construction companies, contractors, and subcontractors are under pressure to adopt greener practices to demonstrate sustainability and attract new customers. This is especially pertinent as Australia strives to meet its net-zero target amidst rising demands for green legislation and regulations.

While the construction industry still has considerable progress to make in terms of sustainability, there are numerous actions individual businesses can take to effect change. The sector consumes up to 50% of natural resources and contributes to 39% of CO2 emissions, 50% of landfill waste, and 40% of water pollution, making the shift towards sustainable practices crucial. Governments and environmentalists have advocated for more eco-friendly approaches, introducing incentives and penalties to drive industry transformation. Consequently, the industry is gradually evolving, adopting green building techniques and embracing an ‘Ecology First’ paradigm to reduce the use of natural resources. This article explores various green building techniques and methods that construction companies can implement to ensure environmentally friendly projects, highlighting the industry’s slow but steady shift towards sustainable construction.

1. Use environmentally friendly building designs

Integrating green solutions into building projects is becoming increasingly vital for achieving sustainability and environmental consciousness in construction. Zero-energy building, a notable trend in this area, focuses on minimizing the use of conventional energy by incorporating technologies such as solar panels, Low-Emissivity (low-E) coatings, and intelligent interiors. Solar panels, which use photovoltaic cells to convert sunlight into direct current (DC), are a key component in harnessing renewable energy. Further enhancing energy efficiency, insulated walls, wood, and recycled fiberglass in windows significantly reduce the need for air conditioning and heating systems.

The concept of environmentally conscious building designs emphasizes that sustainability should be prioritized from the beginning, even before construction starts. This approach includes integrating green design strategies like natural ventilation, green roofs with vegetation, and smart appliances, including thermostats and HVAC systems, collectively contributing to the building’s long-term sustainability. Such designs reduce the building’s carbon footprint and ensure efficient energy use, setting a standard for future construction projects to follow. These strategies highlight the importance of thoughtful, eco-friendly planning and technology in modern construction, aiming to create structures that are both sustainable and harmonious with the environment.

2. Use green building materials

The construction industry, responsible for a substantial portion of global carbon emissions, is increasingly turning towards sustainable and green materials to mitigate its environmental impact. Research highlights that materials production significantly contributes to construction-related CO2 emissions, emphasizing the importance of selecting eco-friendly alternatives. Sustainable materials like bamboo, known for its strength and biodegradability, and cork, valued for its water resistance and acoustic properties, are becoming popular choices. Reclaimed wood and roof tiles offer an opportunity to reduce emissions without deviating from traditional materials. In demolition cases, reusing waste concrete for pavements and pathways and incorporating recycled steel and natural paints can further enhance the sustainability of construction projects.

Sustainable construction not only focuses on reducing, reusing, and recycling materials but also on incorporating resources like bendable concrete, mass timber, precast concrete, and mycelium. These materials support environmental conservation, reduce toxic emissions, and allow for aesthetically pleasing designs. Emphasizing the use of recyclable, compostable materials devoid of harmful substances, such as natural wood treatments and solvent-free paints, is crucial. For instance, cellulose, an eco-friendly insulation material, is compostable and aligns with sustainability goals.

Finally, the industry is encouraged to use timber from sustainable forests, low-carbon concrete, and low-VOC paints. Replacing traditional materials with these sustainable alternatives helps in significantly lowering the overall carbon footprint of construction projects. This shift aligns with global environmental goals and opens up pathways for innovations in green construction, demonstrating the industry’s commitment to sustainability and environmental stewardship.

3. Use green construction equipment

Adopting green construction equipment and practices is crucial for reducing the environmental impact of construction projects. Replacing gas-powered tools and vehicles with electric alternatives significantly cuts down on emissions. Implementing energy-efficient solutions, like LED lighting instead of conventional bulbs, can also significantly reduce the electricity consumption of a project. Maintaining an effective schedule for equipment maintenance, such as regular servicing of generators, reduces downtime and extends the lifespan of power-generating equipment, further decreasing energy waste and emissions associated with manufacturing new equipment.

The selection of building equipment, which remains in use for years, is equally important. For instance, opting for an electric heater over a gas- or diesel-fired one can substantially lower a building’s annual carbon emissions. Energy audits are valuable for identifying equipment that consumes excessive energy and contributes to environmental pollution. Manufacturers like Volvo and JCB are advancing their product lines with low-emission options, exemplified by JCB’s 525-60E electric Loadall telescopic handler, which offers performance comparable to diesel units while being more environmentally friendly.

Another effective approach is to incorporate automation and smart devices to monitor and optimize energy use during construction. Technologies such as sensors, temperature regulators, and cameras can identify areas for improvement in equipment management, aiding in the overall reduction of a construction project’s environmental footprint. These strategies collectively underscore the importance of embracing energy-efficient and eco-friendly equipment and practices in the construction industry to achieve sustainability goals.

4. Reduce fuel consumption and cut noise pollution

Reducing fuel consumption and cutting noise pollution are key strategies for making construction projects more environmentally friendly and community-conscious. Heavy machinery and trucks, common in construction sites, are major contributors to both fuel consumption and noise pollution. To address these issues, opting for energy-efficient equipment and renewable energy sources can significantly lower the carbon footprint. Encouraging construction workers to use public transportation, electric vehicles, or bicycles for commuting also contributes to this effort. While eliminating fuel consumption entirely may not be possible, these measures can substantially reduce it.

In terms of noise pollution, which is often overlooked yet impactful on local communities, managing the timing of heavy machinery use is crucial. Limiting their operation to daylight hours minimizes disturbance to nearby residents. Additionally, minimizing the idle time of these machines and upgrading to quieter, more fuel-efficient models can greatly reduce noise levels. While not a complete solution, these steps can mitigate the negative effects of construction projects on the environment and improve relations with those close to construction sites.

5. Reduce construction waste

Effective waste management in construction projects is crucial for reducing their environmental impact. Adopting advanced management platforms and waste-tracking technologies is a key strategy in this effort. These tools not only help identify when and where waste is generated but also mitigate it and recover materials for future use. In 2018, for instance, of the 600 million tons of construction and demolition debris generated in the U.S., less than a quarter was repurposed. Enhancing waste tracking for reuse is vital in minimizing the ecological footprint of construction projects.

Utility tracking systems further monitor water and energy usage, highlighting resource-intensive tasks or methods. Smart technology, like IoT devices, can also be integrated into site management systems to track and optimize resource consumption over time. Additionally, careful demolition practices can preserve materials like tiles, wood, concrete, and insulation for recycling or resale, supporting the green business model. While achieving a waste-free construction site may be challenging, recycling common items, reusing materials such as structural steel, and auditing waste-disposal methods for sustainability can significantly reduce environmental impact.

To tackle the issue of construction waste, which constitutes a significant portion of landfill content, contractors must embrace the principles of reuse, reduce, and recycle. This approach not only lessens the environmental burden but also offers cost savings. Minimizing material usage, improving project coordination to utilize surplus materials, and streamlining supply chains are effective strategies. Furthermore, using salvaged materials, such as old slate shingles, bricks, and lumber from deconstructed buildings, keeps waste out of landfills and aligns with green principles.

6. Effectively manage water use

Efficient water management is crucial in reducing the environmental impact of construction projects, as water is a resource extensively utilized in these endeavors. One effective strategy for conservation is collecting and utilizing rainwater, which can serve various construction-related needs. Additionally, the implementation of low-flow fixtures significantly decreases water usage on-site. Installing water-efficient landscaping is another beneficial approach, both during the construction phase and after the project’s completion, as part of the building’s operational sustainability practices. These methods collectively contribute to a more environmentally responsible approach to construction, minimizing water waste and preserving this vital resource for future needs.

7. Implement construction management software 

Integrating construction management software tools, such as Bauwise, is revolutionizing the building process, making it more efficient, streamlined, and environmentally friendly. Going paperless is a significant step, offering benefits beyond just saving trees; it leads to a more resource-efficient business operation in terms of both energy and materials. Bauwise, in particular, provides comprehensive project management solutions encompassing construction budget tracking, material procurement, accounting, and estimation. This level of detail and accuracy in planning and execution enables a more precise project projection. With the capability to calculate the exact amounts of materials and labor required for a build, Bauwise plays a crucial role in preventing unnecessary waste and reducing costs. This not only contributes to more sustainable construction practices but also enhances overall project efficiency and effectiveness.