Steel pipes stacked in a warehouse, representing the construction industry's reliance on steel materials. The image reflects the impact of the blocked U.S. Steel merger on construction projects in 2025, highlighting the challenges posed by rising steel costs and supply chain disruptions in the industry.

What the Blocked U.S. Steel Merger Means for Construction Projects in 2025

  • Construction & The Economy
The blocked U.S. Steel merger is set to affect construction projects nationwide, driving up costs, straining supply chains and sparking innovation in materials and technology.

The United States government’s decision to block the $14.1 billion merger between U.S. Steel and Japanese-based Nippon Steel, citing national security concerns, has sent shockwaves through the construction sector.

Steel, a critical component in everything from skyscrapers to bridges, is already subject to rising costs and strained supply chains. This development raises an urgent question for construction industry leaders: What does it mean for pricing, supply stability and strategic planning in the face of uncertainty?

Navigating the Future of Steel Supply: Challenges and Opportunities for Construction

Steel remains the backbone of construction, yet U.S. Steel now faces significant hurdles as it navigates a future without Nippon Steel’s partnership. The company has warned of potential mill closures and relocations, which could further disrupt domestic supply chains. Meanwhile, demand for steel is climbing, fueled by large-scale infrastructure projects across the US driven by the Infrastructure Investment and Jobs Act.

The looming prospect of new tariffs—reportedly as high as 25% on imports—adds another layer of complexity. These measures, proposed by the Trump administration and aimed at bolstering domestic production, could inadvertently lead to higher costs and sourcing delays. For construction firms, this underscores the need to reevaluate their reliance on both domestic and international suppliers as global trade dynamics shift.

How Protectionism Is Driving Up Steel Costs and Reshaping Construction Budgets

Steel prices have always been volatile, and the blocked merger is likely to intensify this trend, experts say. Tariffs designed to protect domestic production often lead to price hikes, as reduced competition allows domestic producers to charge more. For the construction industry, this can be a game-changer.

Consider a $200 million infrastructure project: a 20% spike in steel prices could inflate costs by tens of millions of dollars, jeopardizing timelines, profit margins and even project viability. A 2024 McKinsey report identified material costs, particularly steel, as one of the top drivers of construction delays—a challenge that’s only set to grow in this new landscape.

Turning Construction Challenges into Opportunities: Innovation and Resilience in Action

While these challenges are daunting, they also open doors for innovation. Construction firms may increasingly turn to alternative materials such as engineered wood, composites and advanced concretes. While these materials can’t fully replace steel in heavy-load applications, they can reduce reliance on it in specific project types.

Alternative Materials to Watch: Building Smarter and Greener

As the construction industry grapples with rising steel costs and supply chain challenges, innovative materials are stepping into the spotlight.

Engineered Wood

  • What it is: Materials like Cross-Laminated Timber (CLT) are crafted from layers of solid wood bonded together, offering strength comparable to traditional building materials.
  • Why it matters: Engineered wood is lightweight, sustainable and has a smaller carbon footprint compared to steel and concrete. It’s especially suitable for multi-story residential and commercial buildings.
  • Key benefits: Faster construction times, lower material costs and carbon sequestration potential make it a popular choice for green building projects.

Composites

  • What they are: These materials combine two or more distinct components, like fiberglass or carbon fiber, to achieve superior strength and durability.
  • Why it matters: Composites are lightweight, corrosion-resistant and highly customizable, making them ideal for applications requiring unique design flexibility.
  • Key benefits: Improved performance in bridges, facades and roofing systems, with reduced maintenance needs over time.

Advanced Concretes

  • What it is: Engineered Cementitious Composites (ECC), also known as bendable concrete, are transforming how we think about durability.
  • Why it matters: Advanced concretes offer greater flexibility and crack resistance, improving the longevity of infrastructure like roads, bridges and tunnels.
  • Key benefits: Reduced repair costs, enhanced seismic performance and compatibility with sustainable additives like fly ash and recycled materials.

Why This Matters for Construction Leaders

Exploring these materials not only mitigates reliance on steel but also aligns with sustainability goals. By integrating innovative solutions like engineered wood, composites and advanced concretes, the construction industry can drive progress while addressing cost and environmental concerns.

Recycling offers another path forward. Advances in technology could make reused steel a viable alternative, lowering costs and minimizing environmental impact. Additionally, tools like building information modeling (BIM) and predictive analytics can optimize material usage, reduce waste and improve efficiency.

Building Resilience in Construction: Strategies for Navigating Uncertainty

Construction leaders must adapt to these evolving conditions with proactive strategies. Here are some key steps to navigate the disruption:

  1. Lock in Long-Term Contracts: Secure agreements with suppliers to hedge against price volatility.
  2. Diversify Supply Chains: Build relationships with multiple suppliers—both domestic and international—to safeguard against disruptions.
  3. Leverage Technology: Implement tools like BIM and predictive analytics to improve forecasting and optimize material use.
  4. Advocate for Balanced Trade Policies: Engage with policymakers to ensure trade measures support economic stability while safeguarding national interests.
  5. Embrace Sustainability: Explore recycled steel and alternative materials to reduce dependency on new steel production.

The Bigger Picture: How Trade and Politics Are Shaping the Future of Construction

The blocked merger highlights a broader trend of heightened scrutiny on foreign investments in critical industries. Construction firms should prepare for increased regulatory oversight and remain informed about trade policy changes that could affect materials and costs.

The decision also adds a layer of complexity to US-Japan relations, potentially straining trade talks. However, it may also create new opportunities for collaboration in infrastructure development or alternative investments that benefit both nations.

From Disruption to Opportunity: Innovating for a Stronger Construction Future

The U.S. Steel merger block is more than just a trade decision. It’s a pivotal moment for the construction industry. Rising costs and supply chain uncertainties may seem like obstacles, but they also underscore the need for innovation and resilience. By embracing new materials, leveraging technology and advocating for balanced policies, construction leaders can turn challenges into opportunities.

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A silhouetted construction crane and partially built structure stand against a golden sunset, symbolizing the construction industry's challenges and transformations. The image conveys resilience and progress, fitting for the topic of how immigration and tariff policies impact the construction sector.

How Trump’s Immigration, Tariff Policies Could Reshape Construction

  • Construction & The Economy
Proposed immigration and tariff policies may remake the construction industry by influencing labor availability and material costs

The rhythmic sounds of a construction site—machines whirring, hammers pounding, voices calling across the worksite—capture the essence of an industry that builds the nation’s future.

Yet beneath this steady progress lies an unsettling truth: the US construction industry is heavily reliant on immigrant labor, and looming changes in immigration policy threaten to disrupt this vital workforce.

As debates intensify around stricter immigration enforcement, the construction sector finds itself at a critical juncture. Here, we’ll examine how these policies could reshape the industry and explore strategies to mitigate the risks of labor shortages.

How Immigrant Workers Are Vital to the Construction Workforce

Immigrants play a crucial role in the construction workforce across the United States. Nationwide, undocumented workers make up approximately 13% of the construction labor force, according to a detailed 2016 Pew Research Center analysis. Those numbers appear to have risen more recently. According to a 2023 article from Construction Dive, roughly 23% of construction laborers in the US are undocumented immigrants.

This significant presence underscores the reliance of the industry on immigrant labor, particularly in addressing critical labor shortages at a time when they are especially problematic for the industry.

These workers fill both skilled and unskilled roles, ensuring that projects are completed on time and within budget. Their absence would create a void that contractors would struggle to fill.

What Stricter Immigration Enforcement Could Mean for Construction

Proposed immigration policies by the Trump administration advocating stricter deportation measures and tighter enforcement of work authorization requirements could significantly reduce the labor pool.

This reduction would have far-reaching consequences—especially for an industry already facing challenges in hiring.

The Associated General Contractors of America’s 2023 Workforce Survey revealed that 85% of contractors have unfilled hourly craft positions, with 88% of those firms reporting difficulty filling some or all of these roles. This shortage exacerbates existing hiring challenges, leading to project delays and increased costs.

The survey also found that 46% of firms are experiencing longer project completion times than initially scheduled due to workforce shortages, and 47% have raised bid prices to account for higher labor costs.

Labor shortages don’t exist in a vacuum; they ripple through the economy. Rising wages due to competition for workers could increase the cost of housing and infrastructure projects, straining public budgets and deepening the ongoing housing affordability crisis.

Tariffs on Steel and Lumber: A Perfect Storm for Construction

Tariffs on imported materials, including steel and aluminum, have significantly affected the construction industry. In March 2018, during Trump’s first presidential term, the US imposed a 25% tariff on steel imports and a 10% tariff on aluminum imports, leading to increased costs for key construction materials.

For instance, between June 2017 and June 2018, the producer price index rose by 20% for aluminum mill shapes and 12.3% for steel mill products. These higher material costs, combined with existing labor shortages, have created a challenging environment for contractors, resulting in project delays and increased expenses.

The Trump administration’s proposed new tariffs are poised to further exacerbate these financial strains, compounding the challenges faced by contractors navigating rising costs and labor shortages.

Innovative Strategies to Tackle Construction Workforce Challenges

Faced with these challenges, the construction industry must find innovative ways to adapt. While no single solution can resolve a workforce crisis, several strategies can help mitigate the impact:

Investing in Automation and Digital Tools: Leveraging technology to streamline operations and improve productivity can reduce reliance on manual labor. Automated workflows and real-time collaboration tools can help teams work more efficiently, even with smaller crews.

Upskilling the Workforce: Training initiatives focused on equipping workers with modern skills, including the use of construction technology, can expand the labor pool. Partnerships with vocational schools and apprenticeship programs can play a critical role in this effort.

Strengthening Advocacy for Balanced Policies: Engaging with policymakers to create immigration laws that address workforce needs while ensuring security and fairness is essential. Industry leaders must advocate for reforms that provide legal pathways for immigrant workers and protect the stability of the construction sector.

Why Labor Shortages Impact More Than Just Construction

The implications of labor shortages extend beyond individual construction firms. Housing affordability, already a significant challenge in many parts of the country, could worsen as rising costs delay projects or make them financially unfeasible. Public infrastructure projects—essential for economic growth—may face similar challenges, with delays and budget overruns becoming the norm.

In this environment, the construction industry must find ways to ensure project continuity and quality. While adaptation requires investment, the cost of inaction could be far greater.

How the Construction Industry Can Adapt and Thrive Amid Challenges

To address these challenges, construction firms need to embrace a forward-thinking approach:

Broaden Recruitment Efforts: Expanding hiring pipelines to include more women, veterans and nontraditional candidates can help diversify and grow the workforce.

Promote Technological Integration: Emphasizing tools that improve efficiency can help offset the reduced availability of labor.

Collaborate Across Sectors: Government, educational institutions and industry leaders must work together to create solutions that benefit the entire construction ecosystem.

By focusing on long-term resilience, the construction industry can weather this period of uncertainty and emerge stronger.

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Photo of a construction hard hat resting on a flat surface with a vibrant sunset in the background, symbolizing innovation, resilience, and progress in the construction industry. Perfect visual for an article about generative AI's transformative role in modern construction.

Redefining Construction with AI: How Trunk Tools Turns Data Into Actionable Insights

  • Technology & Innovation
Trunk Tools’ innovative use of generative AI is reshaping how construction teams access and manage project data in the field

Construction teams face a daily flood of data—plan documents, RFIs, contracts and submittals—all essential but often buried in complex document management systems.

What if finding answers was as simple as asking a question?

Sarah Buchner, founder and CEO of Trunk Tools, set out to make this vision a reality. “The biggest problem in construction is that we have a lot of data and we’re hardly doing anything with it because it’s so unstructured and difficult to analyze,” Buchner said.

Her company uses generative AI to provide a solution: a conversational, chat-based tool that lets project managers and superintendents access the information they need immediately. “You ask a question and get an answer, with links to original source documents. Click, and you get the original artifact.”

Inside TrunkText: How Generative AI Powers Smarter Construction Workflows

TrunkText is Trunk Tools’ chat agent that construction workers use to query project data. Powered by a large-language model (LLM), it can even automate workflows like comparing a submittal against project specifications.

“Instead of having a human sitting there comparing the two documents, it’s something AI can do,” Buchner said. “There are so many workflows in our day-to-day life that we just don’t need humans to do anymore.”

Real-World Impact: How TrunkText Streamlined the Baird Center Expansion Project

In 2021, Gilbane Building Co. began work on the $456 million Baird Center Expansion in Milwaukee, Wisconsin, a massive project involving more than 33 GB of data across approximately 21,000 documents. As deadlines approached, sifting through this mountain of data consumed precious time.

How Large-Language Models (LLMs) Turn Construction Data into Answers

Construction projects generate massive amounts of unstructured data—think plan documents, RFIs, submittals, contracts and daily reports.

The problem: Much of this information lives in separate files, formats and platforms, making it tough to access and analyze when decisions need to be made quickly.

This is where large-language models (LLMs) come in. LLMs are a type of artificial intelligence trained on vast amounts of text data. They excel at understanding language patterns, context and meaning—skills that make them perfect for simplifying complex construction data.

Here’s how LLMs work in construction:

  • Data Processing: When documents like contracts and submittals are uploaded into an AI-powered platform like TrunkText, the LLM scans and indexes their contents, turning them into searchable data.
  • Semantic Understanding: Unlike basic search engines that rely on keywords, LLMs understand the meaning behind queries. This means that if a project manager asks, “What’s the maximum load capacity for beam X?” the AI can find the relevant spec—even if the exact words aren’t in the document.
  • Contextual Answers: LLMs provide context-rich answers by linking directly to the source documents. Users don’t just get a response; they get the evidence behind it.
  • Automating Repetitive Tasks: Beyond answering questions, LLMs can also handle tasks like comparing specifications or generating summaries, reducing the need for manual work.

By turning unstructured project data into clear, actionable insights, LLMs can help construction teams save time, avoid costly mistakes and focus on getting the job done right. In a high-stakes industry where every minute counts, that’s a game changer.

To address this, Gilbane piloted Trunk Tools during the project’s final sprint in January 2024. Once documents were uploaded, the AI processed the data, enabling field workers to quickly retrieve information like plan document details or change orders.

“More than 30 minutes is often saved on questions asked in the field,” said Andrew Roy, superintendent on the Gilbane project. “It’s also positively benefiting the speed to response for the person asking the superintendent a question.”

By project completion in May 2024, the AI had answered nearly 250 questions, saving 20-40 minutes per query—equating to an estimated $100,000 or more per month in avoided rework costs. Critically, 87% of the answers were verified as accurate, giving teams confidence in its reliability.

From Job Sites to AI Innovation: Buchner’s Journey in Construction Tech

Buchner’s passion for construction began in Austria, where her father, a carpenter, often took her to job sites. “I started working on my first job when I was 12, and liked it,” she said. After nearly a decade in construction, she pursued advanced degrees in civil engineering, data science and business.

Top 3 Challenges AI Is Solving in Construction

  1. Data Overload: Construction projects generate thousands of documents, from plan documents to contracts. AI-powered tools organize and index this data, making it searchable and manageable.
  2. Slow Information Retrieval: Finding critical project details can take hours. AI chatbots like TrunkText provide instant answers, linking directly to source documents.
  3. Manual Document Comparisons: Tasks like checking submittals against specifications are time-consuming. AI automates these comparisons, reducing human error and speeding up approvals.

By addressing these challenges, AI is transforming how construction teams work—saving time, cutting costs and boosting efficiency.

While working on her Ph.D., Buchner encountered firsthand the difficulties of analyzing unstructured construction data. “I had to raise money to clean the data so I could do analytics,” she said. This experience highlighted the urgent need for better data management and access in the industry. When generative AI emerged, Buchner realized it could revolutionize construction workflows.

What’s Next: How AI Is Shaping the Future of Construction

Since founding Trunk Tools in 2021, Buchner has focused on creating AI tools that address real problems faced by field teams. The chat-based interface is intentionally intuitive, requiring minimal user training.

“Trained AI is really good at semantically connecting data with humans,” she said. “We’re used to talking to get the information we need. When more solution providers figure that out, we’re going to see a lot more chat-based tools like this.”

With tools like TrunkText, generative AI is no longer just a buzzword—it’s reshaping how construction teams work, saving time, cutting costs and unlocking the potential of data in the field.

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Engineer working at a dual-monitor workstation displaying detailed infrastructure plans and Arcadis software, emphasizing digital tools in modern construction project management.

How Arcadis Transformed Global Collaboration with Bluebeam

  • Bluebeam Tips and Tricks
By embracing Bluebeam’s digital collaboration tools, Arcadis revolutionized its global project management, driving efficiency, improving accuracy and cutting down on delays across international teams and complex infrastructure projects

Managing complex infrastructure projects across continents is no small feat.

For Arcadis, a global design and consulting firm with 35,000 employees spread across 70 countries, ensuring seamless collaboration was both a challenge and a necessity. The stakes were particularly high in Australia, where 1,300 employees were engaged in major linear infrastructure projects involving numerous global stakeholders.

Arcadis faced a critical decision: modernize its project management process or risk falling behind. Its choice: Bluebeam, a digital collaboration platform that revolutionized the way the firm worked—boosting productivity, enhancing accuracy and reducing environmental impact along the way.

Overcoming Cross-Border Collaboration Challenges

For years, Arcadis relied on outdated paper-based processes for managing project reviews and markups. Engineers and designers working in different time zones had to wait for physical markups to be scanned and emailed—a process that frequently caused delays, miscommunication and version control issues.

The environmental toll was significant, too. Arcadis’ sustainability goals clashed with the considerable amount of paper consumed in its manual workflows. Reducing its carbon footprint became a priority.

“By using the capabilities of Bluebeam such as Studio Sessions we’ve established a centralized way of managing all our comments, reviews and also having a standardized approach to our markup, a quality control process,” said Steven Coyle, digital lead for Australia Mobility at Arcadis.

Transforming Project Management with Bluebeam’s Digital Tools

Recognizing the need for change, Arcadis adopted Bluebeam, transforming how it managed project workflows. Bluebeam’s suite of tools enabled real-time document sharing, centralized project markups and streamlined quality control processes—all within a single, cloud-based environment.

The firm quickly developed best-practice protocols using Bluebeam’s platform, standardizing markups and creating a centralized method for managing comments and reviews. These changes brought newfound efficiency and transparency to the firm’s global operations.

Game-Changing Results: A Blueprint for Project Success

Real-Time Global Collaboration: With Bluebeam, Arcadis’ global teams could access and edit the same documents simultaneously, regardless of location. What once took days now took mere hours, dramatically reducing project turnaround times.

“There were two things that prompted Arcadis to use Bluebeam,” said Sergio Fuentes, associate technical director of digital engineering for New South Wales Civil Infrastructure at Arcadis. “One of them was coordination and collaboration. Considering the size of our projects, the complexity of them and the number of stakeholders that we have, we needed to find an effective way to communicate, and Bluebeam provided that.”

Improved Accountability and Standardization: Bluebeam enabled Arcadis to create a standardized process for reviews and markups, ensuring that every team member followed the same project protocols. This improved accuracy, reduced errors and fostered a culture of accountability.

Enhanced Client and Partner Collaboration: Arcadis also used Bluebeam’s collaboration features to improve communication with clients and joint venture partners. Using interactive dashboards and detailed markups, team members could share project updates with stakeholders in a clear, professional manner.

Boosted Productivity and Reduced Delays: By cutting out paper-based bottlenecks, Arcadis empowered its teams to work faster and more efficiently. Tasks that once required physical markups and delayed responses could now be completed in real time—whether team members were in the office or working remotely.

Industry Expertise: Driving Innovation Through Digital Transformation

Behind Arcadis’ transformation is a clear strategy centered on standardization, automation and data-driven processes.

“Bluebeam improves collaboration by allowing both drafters and engineers to access the same document with the same version in real time,” said Mark Javillo, principal CAD technician and BIM manager at Arcadis, “which reduces miscommunication and ensures project update consistency.”

Why It Matters: Key Takeaways for the AEC Industry

Arcadis’ experience with Bluebeam highlights an essential truth for the architecture, engineering and construction (AEC) industry: digital tools aren’t just helpful; they’re critical. In an era where project complexity and sustainability demands are only increasing, the ability to collaborate effectively across borders is a competitive advantage.

By reducing paper consumption and streamlining project management, Arcadis has not only boosted its productivity but also advanced its environmental goals—a win-win that many AEC firms can learn from.

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The image depicts a construction site at sunset, featuring various heavy machinery, including excavators, a crane, and trucks, positioned around a partially built concrete structure. The sky is vibrant with warm hues, emphasizing the contrast between the industrial scene and the natural backdrop.

6 Critical Construction Challenges in 2025 (And How Technology Can Solve Them)

  • Construction & The Economy
Discover how cutting-edge technologies like AI, robotics and cloud-based tools are transforming construction by addressing key challenges such as labor shortages, rising material costs and project delays in 2025

The construction industry stands at a pivotal crossroads—not just building taller skyscrapers or faster homes, but reinventing how it works from the ground up.

Pressed by labor shortages, sustainability mandates and rising costs, industry leaders are abandoning outdated methods in favor of technology-driven solutions. From AI-powered project management to autonomous robots on job sites, the future of construction is being built today.

Below, Built explores the six most pressing issues in construction for 2025 and beyond, and investigates how technology can help overcome them.

Construction Labor Shortage: Causes, Impact, Tech-Driven Solutions

Challenge: One of the biggest obstacles facing the construction industry is a critical shortage of skilled labor. As seasoned workers retire and fewer young professionals enter the field, the gap in skilled labor widens. According to a 2023 report from the Associated General Contractors of America, around 88% of contractors report difficulty finding skilled workers. This lack of manpower often leads to project delays and increased labor costs.

Solution:

Automation and Robotics: Automation and robotics are stepping up to reduce the strain on human labor. Machines are now capable of performing repetitive tasks like bricklaying, excavation and demolition, which not only speeds up the process but also improves safety. Robots, such as the semi-autonomous SAM100 bricklaying robot, can lay bricks more quickly and consistently than human workers, helping to offset the labor gap.

Additionally, construction management software streamlines scheduling, allowing companies to allocate their existing workforce more efficiently, ensuring that no labor is wasted.

Rising Construction Material Costs: Challenges and Tech Solutions

Challenge: Volatile material prices have long been a source of financial strain in the construction industry. Factors such as supply chain disruptions, inflation and other unpredictable global events have driven up the cost of essential materials like steel, lumber and concrete, putting pressure on project budgets.

Solution:

Predictive Analytics and Supply Chain Technology: Building information modeling (BIM) is one solution that helps mitigate these costs by optimizing designs and reducing material waste. BIM allows for precise material estimates, ensuring that only the necessary amount is ordered. By simulating how a project will look and perform in the real world, it also helps detect design flaws early, preventing expensive changes mid-construction.

Additionally, Internet of Things (IoT) sensors and predictive analytics tools help monitor material availability and prices in real time, allowing for smarter purchasing decisions. When supply chains are strained, companies can quickly pivot and adapt, minimizing delays and reducing costs.

Sustainability in Construction: Reducing Environmental Impact with Green Tech

Challenge: The construction industry is responsible for nearly 40% of global CO2 emissions, according to the World Green Building Council. As climate change intensifies, there is growing pressure on the industry to adopt more sustainable practices and reduce its environmental footprint.

Solution:

Green Technology and Energy-Efficient Design: Sustainable building materials like carbon-neutral concrete and recycled steel are emerging as eco-friendly alternatives. For example, innovations like hempcrete—a bio-composite made of hemp and lime—offer an environmentally friendly substitute for traditional materials while also providing insulation benefits.

Energy-efficient designs are another powerful solution. By leveraging BIM and advanced simulation tools, architects and engineers can model the energy performance of a building before it’s even constructed, ensuring that projects minimize energy use and emissions over their lifecycle.

In some cases, 3D printing is also helping to reduce waste. Companies are experimenting with 3D printing to create intricate building components that use only the necessary materials, eliminating excess and promoting sustainability.

Project Delays and Budget Overruns in Construction: Causes and Tech Solutions

Challenge: Project delays and budget overruns are an endemic problem in the construction industry. Factors like poor planning, unforeseen site conditions and inefficiencies in resource allocation often contribute to projects exceeding timelines and budgets.

Solution:

AI and Drones: AI is revolutionizing project management by predicting delays before they occur. Using data from past projects and real-time conditions, AI systems can identify potential roadblocks such as weather disruptions, equipment breakdowns or labor shortages, enabling better planning and resource management.

Drones are also playing a key role in improving project timelines. Equipped with high-definition cameras and sensors, drones can perform site inspections faster and more safely than human inspectors, providing real-time progress updates and detecting issues before they become costly problems.

Construction Safety Challenges: How Tech Is Making Job Sites Safer

Challenge: Construction remains one of the most dangerous industries, with high rates of injuries and fatalities. According to the Occupational Safety and Health Administration (OSHA), one in five worker deaths in the US occurs in construction.

Solution:

Wearables and AI-Powered Safety Monitoring: Wearable technology is increasingly used to monitor worker health and safety on-site. Smart helmets and vests equipped with sensors can track vital signs, detect unsafe conditions and send real-time alerts to both workers and site managers.

AI-powered systems can also predict potential safety hazards by analyzing historical data and monitoring current working conditions. With predictive analytics, construction firms can take preventive measures, such as adjusting workflows or updating safety protocols, to minimize the risk of accidents.

Solving Fragmented Communication in Construction with Collaboration Tech

Challenge: Construction projects often involve multiple stakeholders—architects, engineers, contractors and clients—each using different tools and systems. This fragmented communication can lead to misunderstandings, rework and project delays.

Solution:

Cloud-Based Collaboration Tools: Cloud-based platforms like Bluebeam offer real-time collaboration for all stakeholders, ensuring everyone has access to the latest project updates, designs and documents. These tools break down silos between teams and foster more transparent communication, reducing the likelihood of misaligned goals or missed information.

By integrating all project data into a single, accessible platform, cloud-based tools also support Integrated Project Delivery (IPD)—a methodology that brings all stakeholders together early in the project lifecycle to align objectives and minimize risks.

The Future of Construction: How Tech Is Shaping a Smarter, Safer Industry

The challenges facing today’s construction industry—from labor shortages to sustainability—are daunting. However, technology offers a promising path forward. From AI and robotics to green building materials and cloud-based collaboration tools, the construction sector is undergoing a digital transformation that promises to boost efficiency, safety and sustainability.

As more companies adopt these technologies, the construction industry will become better equipped to tackle its most pressing challenges, setting the stage for a more innovative and resilient future.

This article originally published on Industry Today.

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Europe’s Largest Construction Project Is Going Diesel-Free

  • Sustainability
The high-speed rail line in England began with a goal of net zero greenhouse gas emissions, then expanded to diesel-free construction sites to further decarbonize the project

Imagine a construction site without diesel, and it’s hard to see how any work would get done. Diesel supplies 98% of all energy used in the construction industry, according to the Engine Technology Forum. That includes powering more than three-fourths of all heavy construction equipment, along with generators and compressors.

But using diesel comes at a price. Even diesel that meets the U.S. Environmental Protection Agency Tier 4 standards produces noxious exhaust fumes and particulate matter that are damaging to the environment and unhealthy for workers, according to the Occupational Health and Safety Administration.

This reliance on diesel doesn’t mesh well with the U.K.’s pledge to reduce greenhouse gas (GHG) emissions to net zero by 2050. With construction responsible for 39% of global carbon emissions—mainly from manufacturing building materials and burning fossil fuels—the sector has a lot of work to do. That made it a brave decision to eliminate diesel from construction sites for the new High Speed 2 (HS2) rail line.

“Climate change presents unprecedented challenges,” said Andrea Davidson, head of environmental sciences, technical services directorate, HS2 Limited. “The way we travel—and the way we build our transport networks—are critical to our response to this global emergency.”

Zero emission goal

HS2 will connect Birmingham and London via zero-carbon bullet trains. That requires four new state-of-the-art stations, two depots and 140 miles of track.

HS2 initially aimed to achieve net zero GHG emissions in keeping with the U.K.’s targets. But key partners, like Skanska, were already working toward diesel-free construction sites—and developing a business case and taking actions to realize that goal. HS2’s decision was also influenced by provisions in the U.K. Finance Act 2021 to ensure taxes fairly reflect the harmful impact of diesel emissions. The policy aims to incentivize users of polluting fuels to improve energy efficiency, invest in cleaner alternatives and use less fuel.

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In HS2’s Net Zero Carbon Plan, the organization committed to all HS2 sites being diesel-free by 2029, with the first in 2022. In addition, the team aimed for a 50% reduction in carbon emissions from steel and concrete by 2030 compared with 2021 and an 11% reduction in heavy goods vehicles by 2027 compared with 2020. From day one of HS2 operation, the railway plans to use only zero-carbon electricity. Finally, HS2 aimed to achieve net zero Scope 1 and 2 emissions by 2025 and Scope 3 emissions from 2035, offsetting any residual emissions from that point.

Myth-busting is the biggest hurdle

Finding diesel replacements isn’t necessarily easy. No single alternative fits all construction sites—the candidates depend on the location, activities and building methods. If no mains power connection is available, Davidson advised considering other solutions, from hydrogen power towers and fuel cell technologies to drop-in biofuels and bio-LPG.

Being a first mover also means taking on higher costs. Davidson noted the importance of thinking beyond the initial investment when deciding on diesel alternatives and including operating costs and carbon savings for the entire period of machine usage on a site.

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Also, contractors’ preconceived ideas about diesel options can foster a reluctance to change. Trials, testing and independent academic evidence are essential to de-risk solutions and inspire confidence that diesel alternatives work, are reliable and address health and safety concerns. Only then does a diesel-free site become viable.

“The site teams have been absolutely key to achieving this target on HS2,” Davidson said. “Their initiatives have flagged to other contractors what is possible, which is driving the opportunity and transition.”

Combining technologies

One principle to reducing use of any energy source is to minimize demand. So, a critical first step is ensuring on-site fuel efficiency to reduce emissions and cost. Increasing efficiency might include older machine retrofitting, operator training, anti-idling programs, battery storage solutions and flywheel technologies.

Of course, a mains supply can make powering equipment with a clean charging solution easier. But access depends on land permission, demand and timeframes for connections. Working with distribution network organizations helped H2S formulate a plan to streamline connections.

In the H2S Net Zero Carbon Plan, the target is ultra-low or no emissions by 2035. For now, the focus is on reducing or eliminating emissions as much as possible and demonstrating the feasibility of diesel-free construction sites on a major project. “By prioritizing targets like this, we are reducing impacts to site operators as well as those living in close proximity to sites by improving local air pollution,” Davidson said. “Due to the size and scale of the HS2 program, we have an opportunity and responsibility to challenge the norm, to identify opportunities and roll out more sustainable solutions so that we can leave a positive, lasting legacy.”

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Construction site at sunset with cranes silhouetted against the sky, symbolizing progress and key industry milestones highlighted in Bluebeam's 'Top Built Stories of 2024' year-in-review blog article.

The Top Built Stories of 2024: Bluebeam’s Year in Review 

  • People & Project Spotlights
A look back at 2024’s most compelling construction stories, highlighting the year’s innovations, challenges and the people driving change in the built world

As 2024 comes to a close, we’re taking a look back at some of the year’s most compelling stories from the world of design and construction. From adaptive reuse to cutting-edge technology, these stories spotlight the challenges, triumphs and innovations shaping the built environment. Join us as we revisit the top 10 stories that defined 2024. 

1. Office-to-Housing Conversions: Challenges and Opportunities 

The COVID-19 pandemic’s legacy continues to shape urban landscapes, with office-to-housing conversions becoming a hot topic in cities across the globe. This piece dives into the structural and financial hurdles developers face when reimagining commercial spaces for residential use—while uncovering the potential benefits for housing shortages and urban revitalization. 

Read the full story: Office-to-Housing Conversion Challenges 

2. Build Out Alliance: Building a More Inclusive Industry 

Diversity and inclusion took center stage in 2024, with advocacy groups like Build Out Alliance championing LGBTQ+ representation in construction. Learn how this nonprofit is fostering a culture of belonging across job sites and boardrooms alike and why inclusion is key to a thriving industry. 

Read the full story: Build Out Alliance Construction 

3. Prioritizing Mental Health in Construction 

With rising awareness of mental health issues in the workplace, the construction industry is stepping up. This article explores how companies are implementing new policies, support systems and technology to better address workers’ mental health, paving the way for a healthier workforce. 

Read the full story: Mental Health in Construction 2024 

4. Church Conversions: A New Era of Adaptive Reuse 

Historic churches are finding new life as apartments, cultural centers and even offices. This story explores the architectural ingenuity and community impact behind these transformations, proving that adaptive reuse can preserve history while meeting modern needs. 

Read the full story: Church Conversions Adaptive Reuse 

5. Geothermal Heat Turns Up the Energy Efficiency in Nightclubs 

Sustainability reached new heights (and depths) this year, with a spotlight on a nightclub that harnesses geothermal heat to stay eco-friendly. Discover how this innovation could inspire broader adoption of renewable energy solutions across industries. 

Read the full story: Geothermal Heat Nightclub Innovation 

6. The State of Artificial Intelligence in Construction 

AI continued to revolutionize construction in 2024, streamlining workflows and optimizing decision-making. From generative design to predictive maintenance, this article breaks down the latest advancements and what they mean for the future of the industry. 

Read the full story: State of Artificial Intelligence in Construction 2024 

7. Washington, D.C.’s Sewer System: An Underground Marvel 

Beneath the bustling streets of the nation’s capital lies an engineering marvel: an intricate sewer system designed to tackle stormwater challenges. This deep dive showcases the ingenuity and resilience behind this essential infrastructure. 

Read the full story: Washington DC Sewer System 

8. Liz Larsen: Structural Engineer and Trailblazer 

Meet Liz Larsen, a structural engineer who is reshaping the industry with her groundbreaking projects and advocacy for young women in STEM. Her inspiring journey and dedication to innovation make her one of the year’s standout leaders. 

Read the full story: Liz Larsen Structural Engineer 

9. Detroit Design Core: Creativity at the Heart of Urban Renewal 

Detroit’s design scene flourished in 2024, thanks in part to Design Core Detroit’s initiatives. This story highlights how the city’s creative community is driving economic growth and shaping a new narrative for the Motor City. 

Read the full story: Detroit Design Core 

10. WELD: Supporting Second Chances in Construction 

Seattle-based nonprofit WELD made waves this year by empowering formerly incarcerated individuals with training and job opportunities in construction. This story highlights how the organization is addressing labor shortages while offering participants a new path forward, proving that second chances can build stronger communities. 

Read the full story: WELD Seattle Construction 

Building a Better Future: How Construction Innovation and Community Impact Defined 2024 

From cutting-edge technology to inspiring personal stories, 2024 was a year of transformation and progress in the built world. As we look to the future, Bluebeam remains committed to sharing the innovations and ideas driving the industry forward. 

Here’s to 2025 and beyond! 

Ready to Build Smarter in 2025? Try Bluebeam! 

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Low-angle view of the Notre-Dame Cathedral in Paris, showcasing its intricate stone carvings and Gothic architecture against a bright blue sky with fluffy clouds.

Inside the Five-Year Restoration of Notre-Dame Cathedral After the Devastating Fire

  • People & Project Spotlights
Through a blend of tradition and innovation, the remarkable restoration of Notre-Dame Cathedral reveals a story of resilience, craftsmanship and global unity

On April 15, 2019, the world held its breath as flames consumed Paris’s Notre-Dame Cathedral, reducing its ancient wooden roof to ashes and toppling its iconic spire—a devastating blow to one of humanity’s most cherished architectural treasures.

In the days following the disaster, French President Emmanuel Macron vowed to restore the Gothic masterpiece within five years—a seemingly impossible task. On December 8, 2024, after a half-decade of intensive restoration efforts involving more than 2,000 skilled workers, Notre-Dame reopened to worshippers and visitors, standing once again as a symbol of resilience and human ingenuity.

The Notre-Dame Cathedral Fire: Devastation and Immediate Response

The fire broke out in the early evening of April 15, 2019, likely caused by an electrical short circuit during renovation work. As flames spread, firefighters and emergency responders fought desperately to save the structure, managing to prevent its complete collapse.

Still, the 300-foot-tall spire, designed by 19th-century architect Eugène Viollet-le-Duc, crumbled, and much of the medieval timber roof—nicknamed “the forest” for its dense wooden framework—was reduced to ash.

Despite the extensive damage, the cathedral’s stone vaults, bell towers and famous stained-glass rose windows survived. Within days, pledges of financial support poured in from around the world, eventually totaling nearly $1 billion, according to The New York Times.

What followed was one of the most ambitious restoration projects in modern history.

Notre-Dame Cathedral Restoration: Critical Emergency Stabilization Efforts

Before any restoration work could begin, the structure needed to be stabilized. Engineers quickly realized that Notre-Dame’s fragile walls were at risk of collapse. Crews erected scaffolding around the cathedral and installed temporary wooden frames to secure its iconic flying buttresses. Large tarps covered the exposed interior to protect it from rain and wind.

Environmental concerns also complicated the effort. An estimated 460 tons of lead from the roof and spire had melted in the fire, according to New York Times reporting, contaminating the surrounding area. Workers wore protective suits, and nearby schools were closed for decontamination. According to France 24, specialized teams spent months removing toxic residue, ensuring the safety of both workers and the public.

Inside the Architectural Restoration of Notre-Dame Cathedral

The actual restoration began in 2021, focusing on preserving Notre-Dame’s historic design while incorporating modern construction technology and materials where necessary.

Rebuilding the Roof and Spire

Restoring the cathedral’s roof and spire required architectural precision and a deep understanding of medieval construction techniques. Following Viollet-le-Duc’s original 19th-century blueprints, carpenters hand-carved beams from centuries-old oak trees, harvested from forests across France. In total, more than 1,000 oaks were carefully selected and felled, with preservationists ensuring ecological sustainability.

Architect of the Past and Future: Eugène Viollet-le-Duc

Eugène Viollet-le-Duc (1814-1879) was more than just an architect—he was a storyteller who brought history back to life through stone and wood.

He’s best known for restoring some of France’s most iconic landmarks, including Notre-Dame de Paris, Mont Saint-Michel and the fortress of Carcassonne. His imaginative touch helped define how we see these structures today—especially Notre-Dame’s towering spire, which he designed and which became a beloved symbol of Paris until its tragic fall in the 2019 fire.

Viollet-le-Duc believed restoration wasn’t just about repairing the past; it was about completing what history left unfinished.

This bold vision made him both celebrated and controversial. His masterwork, Dictionnaire Raisonné de l’Architecture Française, still inspires architects and preservationists, proving that even after 150 years, his ideas continue to shape the future of historic preservation.

The spire, considered the most recognizable feature of Notre-Dame, was reconstructed exactly as it appeared before the fire, down to its intricate statues of the Twelve Apostles. A new gilded rooster was placed at the top of the spire, containing relics from the original—a symbolic nod to the past and a hope for the future.

Stonework and Facade Preservation

Notre-Dame’s iconic limestone facade required careful cleaning and restoration. Centuries of soot and pollution were scrubbed away, revealing a bright, cream-colored exterior rarely seen in modern times. Master stonemasons worked meticulously to repair damaged gargoyles, statues and reliefs. Any stone too damaged for preservation was replaced with identical limestone sourced from quarries used in the cathedral’s original construction.

Stained Glass and Artistic Restoration

The cathedral’s three famed rose windows, dating back to the 13th century, miraculously survived the fire but needed significant cleaning and restoration. Each piece of stained glass was removed, cleaned and reassembled by master glassmakers following traditional methods. Restorers also repaired religious sculptures and precious artworks, including the Virgin Mary statue from the main altar.

Modern Innovations in Notre-Dame’s Restoration: Blending Tradition with Technology

While preserving Notre-Dame’s medieval integrity was paramount, the restoration team embraced modern technologies and sustainable practices to ensure its longevity.

Technological Advancements

One of the most groundbreaking aspects of the restoration was the use of 3D digital modeling. Before the fire, architect Andrew Tallon had completed a detailed laser scan of the cathedral, creating an incredibly accurate digital blueprint. These scans allowed restorers to reconstruct even the most intricate details with unparalleled precision. Engineers also used augmented reality to simulate various restoration scenarios before implementing them onsite.

Deeper Look: How Construction Technology Helped Rebuild Notre-Dame

Reconstructing a centuries-old masterpiece like Notre-Dame Cathedral wasn’t just about craftsmanship—it was about blending tradition with cutting-edge tech. Here’s how digital tools helped restore one of the world’s most iconic landmarks.

3D Laser Scans: A Blueprint from the Past

Long before the 2019 fire, architect Andrew Tallon created ultra-precise 3D laser scans of Notre-Dame. His work captured every intricate curve, arch and detail of the cathedral, becoming an essential reference when restoration teams faced the daunting task of rebuilding the structure from the ground up.

Augmented Reality: Testing the Future

Rebuilding something as complex as Notre-Dame isn’t just about bricks and beams but about making sure everything fits perfectly. Engineers used augmented reality (AR) to run digital reconstruction tests, simulating designs before physically rebuilding. This process saved time and helped avoid costly construction mistakes.

Digital Project Management: Keeping It Together

Coordinating a massive, years-long restoration across dozens of teams required more than meetings and plan documents. Project managers relied on digital collaboration platforms to track progress, share updates and keep thousands of moving parts in sync—all while preserving the cathedral’s unique history.

Through a powerful mix of old-world craftsmanship and technology, Notre-Dame’s restoration became a story of innovation and resilience.

Eco-Friendly and Modern Upgrades

To protect against future disasters, fire-resistant materials were integrated into the roof structure, including advanced metal reinforcements hidden beneath the traditional wooden framework. An energy-efficient lighting system now illuminates the cathedral’s soaring arches, enhancing both its beauty and sustainability. The newly installed sound system also ensures world-class acoustics for concerts and religious ceremonies. What’s more, accessibility features were added, including improved ramps and entryways for visitors with limited mobility.

The Cultural and Symbolic Significance of Notre-Dame’s Restoration

Beyond its architectural splendor, Notre-Dame holds immense cultural and spiritual significance. To honor the workers involved in its restoration, their names were engraved on a special commemorative plaque installed within the cathedral. The new gilded rooster atop the spire, containing relics from the original, symbolizes hope, renewal and the enduring human spirit.

The reopening ceremonies in December 2024 drew world leaders, dignitaries and millions of viewers worldwide. As Reuters reported, the Paris Archbishop symbolically reopened the cathedral by knocking on its great wooden doors with a crosier crafted from a beam that survived the fire.

Notre-Dame’s Legacy: A Triumph of Restoration, Resilience and Cultural Heritage

Notre-Dame’s restoration stands as a triumph of global collaboration, craftsmanship and modern technology. Its rebirth represents not only the preservation of a cultural and historical treasure but also humanity’s capacity to rebuild in the face of loss.

As it reopens its doors to worshippers and tourists alike, Notre-Dame remains a beacon of resilience, reminding the world that even in destruction, renewal is possible.

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