Meeting the demands of contemporary structural engineering

Saurabh Sharma, MD & Team Lead of Buildsworth Solution Pvt. Ltd _ B2B

Modern structural engineers are confronted with diverse challenges, demanding innovative solutions and adaptability to navigate the complexities of contemporary construction projects.

From technological advancements to sustainability concerns, each challenge presents an opportunity for engineers to showcase their expertise and resilience in the face of evolving industry demands.

What are the modern-day challenges a structural engineer faces, and how does he overcome them?
Modern structural engineers face many challenges, each requiring unique solutions. One significant challenge is keeping pace with technological advancements. Engineers must continuously learn and leverage advanced modelling tools to stay ahead. Environmental sustainability is another critical area, addressed through green building practices and comprehensive life-cycle assessments to minimise the environmental impact of structures.

Resilience to natural disasters is essential, and engineers employ performance-based design techniques alongside advanced materials to enhance building durability. Staying compliant with evolving regulations demands a proactive approach to updating knowledge of codes and collaborating closely with regulatory bodies.

Utilising Building Information Modelling (BIM) and other project management tools facilitates effective project management, ensuring seamless coordination and execution. The rapid pace of urbanisation necessitates innovative solutions like vertical construction and modular methods to efficiently use space and resources.

Material and labour shortages are tackled by diversifying supply sources and integrating automation into construction processes. Maintaining health and safety standards involves implementing rigorous safety protocols and ergonomic design principles to protect workers and occupants.

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Cost management is achieved through value engineering and thorough cost-benefit analyses, ensuring projects remain financially viable. Lastly, integrating smart technology, such as the Internet of Things (IoT) and smart building systems, helps create more efficient and responsive structures, meeting the demands of modern infrastructure.

What are the benefits of using high-strength steel as reinforcement in RCC structures?
High-strength steel in RCC structures offers benefits like increased load-carrying capacity, reduced material usage, and thinner sections, leading to lighter structures. It enhances durability, reduces construction costs, and allows for greater architectural flexibility. Additionally, it improves seismic performance and overall structural resilience.

What are the advantages of cement replacement and mineral admixture in modern-day concrete? Cement replacement and mineral admixtures in modern-day concrete offer several advantages. First, they significantly enhance concrete’s compressive and tensile strength, making it more robust and capable of bearing greater loads. Additionally, these replacements improve concrete’s durability, providing better resistance to chemical attacks and reducing its permeability, extending the structures’ lifespan. 

From a practical perspective, cement replacements and mineral admixtures enhance the workability of concrete, making it easier to handle and place, which is crucial for achieving a smooth construction process. They also help in thermal control by reducing the heat of hydration, thereby minimising the risk of thermal cracking in the concrete. 

Sustainability is a major benefit, as these materials often involve using industrial by-products, which reduces the carbon footprint associated with cement production. This benefits the environment and tends to be cost-efficient by lowering material costs. Ultimately, incorporating these elements improves the overall performance and longevity of concrete structures, ensuring they remain safe, reliable, and economically viable over time.

What are the common durability issues associated with reinforced concrete structures, and how can they be mitigated through construction chemicals? 
Reinforced concrete structures often face several durability issues, but construction chemicals can effectively mitigate these. One common issue is the corrosion of reinforcement, which can be addressed by applying corrosion inhibitors and protective coatings to the steel within the concrete, significantly extending the lifespan of the structure. 

Cracking in concrete is another prevalent problem. This can be mitigated by using crack sealants and flexible waterproofing membranes, which help maintain the integrity of the concrete and prevent further damage. Alkali-silica reaction (ASR) is also a concern, but it can be controlled by incorporating ASR inhibitors and using low-alkali cement in the mix. 

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Freeze-thaw damage, which can cause serious deterioration in concrete, can be minimised by adding air-entraining agents to the concrete mix, improving its resistance to freezing and thawing cycles. Chemical-resistant coatings and sealants are highly effective in protecting against chemical attacks, providing a barrier against harmful substances. 

Carbonation, which can lead to reinforcement corrosion, can be addressed by applying surface treatments and carbonation inhibitors to prevent carbon dioxide from penetrating the concrete. Lastly, moisture ingress can be mitigated using water repellents and damp-proofing agents, which help keep the concrete dry and reduce the risk of damage.

How do construction chemicals impact the cost and sustainability of a concrete structure?
Concrete admixtures are essential chemicals added to concrete mixes to improve workability, enhance strength, and provide resistance to adverse weather conditions. By optimising the concrete mix, these admixtures help engineers achieve greater efficiency and cost-effectiveness in construction projects. They improve sustainability by minimising material waste, enhancing resource efficiency, and lowering the carbon footprint through a reduced need for frequent reconstruction. Concrete admixtures enhance high-volume fly ash (HVFA) and GGBS mixes by improving workability, setting time, and strength. Water reducers, set retarders, and air-entraining agents ensure optimal performance, compensating for slower hydration rates. This allows a significant replacement of Portland cement, reducing CO₂ emissions and material costs. The use of industrial by-products like fly ash and GGBS further minimises environmental impact and waste.

How critical is using corrosion-inhibiting admixtures to increase the durability of RCC structures?
Using corrosion-inhibiting admixtures is critical for increasing the durability of RCC structures. These admixtures protect the reinforcement from corrosion, significantly extending the lifespan of the structure and reducing maintenance costs. They are essential for ensuring long-term structural integrity, especially in marine environments or areas with high chloride concentrations

What is the importance of barrier coats in enhancing the service life of concrete structures, specifically for infra projects?
Barrier coats play a crucial role in enhancing the service life of concrete structures, especially in infrastructure projects. These coatings provide essential protection against moisture, chemicals, and abrasion, effectively preventing damage to the concrete. This protective layer is vital for maintaining the structural integrity of the concrete, particularly by inhibiting the corrosion of reinforcement bars, which is a common cause of structural deterioration. Using barrier coats significantly extends the lifespan of concrete structures by preserving their condition over time. This reduces the required maintenance frequency and extent, ensuring that infrastructure remains safe and functional for longer periods. Also, reducing repair and maintenance needs translates to substantial cost savings. By minimising the expenses associated with ongoing upkeep and potential structural repairs, barrier coats offer an economical advantage for infrastructure projects, contributing to a more efficient allocation of resources and better long-term financial planning.

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How do you see the field of structural engineering evolving in the next decade, and how are you preparing for these changes?
In the coming decade, we anticipate significant advancements in structural engineering, driven by several key factors. First, there will be a notable integration of digital technologies such as AI, machine learning, and advanced modelling tools. This integration will streamline processes, enhance accuracy, and allow for more efficient design solutions. There will be a heightened focus on sustainability and resilience, emphasising green and resilient design practices. This shift reflects the growing awareness of environmental concerns and the need for structures to withstand increasingly severe weather events. The adoption of advanced materials will play a pivotal role in shaping the future of structural engineering. Exploring innovative materials will lead to structures with enhanced performance, durability, and sustainability.

Collaborative platforms will gradually become more prevalent, facilitating knowledge-sharing and fostering industry insights. Engaging in such platforms will be essential for staying informed about emerging trends and best practices.

Eventually, continuous learning will be paramount for professionals in the field. Staying updated with emerging technologies and trends through ongoing training and education will ensure that we remain at the forefront of innovation and adapt to evolving industry standards. As a proactive professional, I prepare for these changes by staying informed, embracing new technologies, and investing in continuous education and skill development.

With fast-paced infrastructure growth and changing construction practices, how imperative is it to create a platform where industry experts join hands to share their knowledge and experience and promote the adoption of advanced construction practices?
Yes, it’s very important to join hands in sharing knowledge and experience through the collaborative efforts of industry professionals. It facilitates adopting advanced construction practices, ensuring projects are executed efficiently, sustainably, and resiliently. By exchanging insights and best practices, professionals can navigate challenges, promote innovation, and collectively drive the industry towards more effective and sustainable solutions, meeting the demands of modern infrastructure development.

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Steady advancements in polycarbonate sheets strengthen sustainable roofing

Tilara Polyplast

Tilara Polycarbonate Roofing Sheets are altering roofing in the industry with unrivalled quality, durability, and sustainability.

Emphasising the remarkable attributes, Brijesh Tilara, CEO of Tilara Polyplast, elaborates on their roofing sheets’ quality control, supply chain robustness, and environmental commitment.

How do you differentiate your roofing sheets in the competitive market, and what unique features or value propositions define your products?

Tilara Solid Polycarbonate Sheets boast exceptional impact, transparency, and temperature resistance, making them a versatile glazing material for industrial and commercial applications. These sheets also possess excellent fire-retardant properties and are classified as self-extinguishing materials. Tilara Solid Polycarbonate Sheets are 250 times stronger than glass and 25 times more impact-resistant than acrylic sheets.

Tilara Multiwall Polycarbonate Sheets feature 2UV co-extruded protection to ensure exceptional UV resistance. The hollow structure, flexibility, and excellent impact resistance ensure these sheets can be deployed in various applications. The market value proposition of polycarbonate sheets lies in their combination of durability, transparency, lightweight design flexibility, weather resistance, thermal insulation, flame retardancy, chemical resistance, longevity, and low maintenance requirements. These characteristics enable various applications in diverse industries, making them an attractive material choice for many customers.

What quality control measures and testing processes ensure consistent roofing sheet quality and compliance with industry standards?

Our state-of-the-art tech lab adheres to ISI standards, ensuring that only top-quality products are delivered to our customers. Our skilled and experienced experts rigorously test every aspect of the lab. Our lab is equipped with various facilities, including falling dark impact testing, a microscope with UV coating, flame resistance testing, wall panel impact testing, transmittance and haze measurement, a micrometer, a Lux Meter, an S.S. scale, a density check meter, a colour matching chamber, and a UV light meter. This comprehensive range of testing capabilities ensures our products meet the highest quality standards.

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Which measures are in place to manage potential disruptions in the roofing sheet supply chain to maintain production and meet customer needs?

Maintaining relationships with multiple suppliers helps us mitigate the risk of disruptions. We maintain an inventory of roofing sheet materials to buffer against unexpected disruptions. This helps meet customer demands even if the supply chain experiences temporary setbacks. Accurate demand forecasting allows us to anticipate material requirements and adjust our procurement strategy accordingly. We periodically audit the supply chain to identify potential vulnerabilities or improvement areas.

How do you balance roofing sheet cost-effectiveness with crucial performance aspects like durability and weather resistance?

We meticulously select materials that offer a harmonious blend of affordability and performance. Our research and development team rigorously assesses various materials to ensure they meet the required durability and weather resistance standards while keeping costs in check. We invest in ongoing research and innovation to identify new materials, technologies, and production methods that enhance our roofing sheets’ cost-effectiveness and performance.

We stand by the quality of our products and offer extended warranties that reflect our confidence in our roofing sheets’ durability and weather resistance. This demonstrates our commitment to ensuring customers’ long-term satisfaction. We conduct thorough lifecycle analyses of our roofing sheets to evaluate their total cost of ownership over their operational lifespan. This can include advanced coatings, structural reinforcements, and optimised designs contributing to durability and cost-effectiveness.

Which strategies do you follow to analyse the environmental impact of your roofing sheets throughout their lifecycle and minimise their overall carbon footprint?

We conduct rigorous lifecycle assessments to evaluate the environmental impact of our roofing sheets, from raw material extraction to manufacturing, transportation, use, and end-of-life. This enables us to identify hotspots and prioritise areas for improvement. We educate our customers about proper maintenance and care of our roofing sheets to ensure they perform optimally and have a longer lifespan, thereby reducing the need for premature replacements. Our roofing sheets are designed for long-term durability, reducing the need for frequent replacements. This extends the product’s lifespan and minimises the associated environmental impacts.

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EPACK Prefab introduces PEB systems at India Warehousing Show 2024

EPACK Prefab _ B2B

EPACK Prefab displayed its latest pre-engineered building solutions at the India Warehousing Show 2024, attracting major attention with live demonstrations of innovative warehouse structures as well as logistics and storage innovations.

EPACK Prefab, a major innovator in PEB systems, showcased its most recent advancements at the India Warehousing Show 2024. The event, held from July 11th to 13th at the India International Convention & Expo Centre (IICC) in Dwarka, New Delhi, presented a prime venue for industry experts to learn about cutting-edge developments in logistics, storage, and supply chain industries.

EPACK Prefab _ B2B

The EPACK Prefab booth was a major point for visitors. Attendees at the booth saw firsthand the benefits of EPACK Prefab’s innovative warehouse structures during live demonstrations by PEB professionals. Attendees learned about the newest trends and technology influencing the future of the warehouse business, networked with industry experts and peers, and shared ideas.

EPACK Prefab has built more than 10 million square feet of warehouses, establishing itself as a major participant in the market. This accomplishment demonstrates EPACK Prefab’s competence in providing timely and cost-effective warehousing solutions. The organisation has played an important role in satisfying the growing need for specialised industrial warehouses caused by the expansion of the retail and e-commerce industries, particularly in tier 2 and tier 3 cities.

Sanjay Singhania, Managing Director of EPACK Prefab, says, “We are thrilled to have the opportunity to exhibit our solutions at the event and connect with some of the key players from the industry. EPACK Prefab is committed to driving sustainability and efficiency in the warehousing sector. Our advanced PEB solutions reduce construction time and costs and support our clients in achieving their operational and environmental goals.”

EPACK Prefab _ B2B

Pre-engineered buildings (PEB) in storage provide significant benefits, including shorter construction time—up to 50 percent faster than traditional methods—and lower costs, allowing firms to immediately capitalise on market opportunities and optimise their operations. EPACK Prefab’s fast construction process allows for rapid deployment, which is critical for organisations wishing to expand their warehousing capabilities quickly.

The India Warehousing Show 2024 is well-known for bringing together major stakeholders from various industries, including manufacturers, suppliers, distributors, and end users. The event included an extensive exposition, informative conference sessions, and various networking possibilities. Attendees observed real demonstrations of cutting-edge goods and services, with a focus on automation, supply chain management, and logistics innovation.

EPACK Prefab took advantage of the India Warehousing Show 2024 to showcase its innovative skills and network with industry leaders.

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Henkel India expands its presence in Kurkumbh

Henkel India _ B2B

This expansion aims to meet the growing demand for adhesives and sealants in India, reinforcing Henkel’s commitment to local production and market growth.

Henkel Adhesives Technologies India Private Limited (Henkel India) has announced the completion of Phase III of its manufacturing site at Kurkumbh, near Pune, Maharashtra. The Kurkumbh plant, which opened in 2020, meets the growing demand from Indian businesses for high-performance adhesives, sealants, and surface treatment products. The new Loctite factory, named after Henkel’s well-known brand Loctite, was opened by Mark Dorn, Executive Vice President of Henkel Adhesive Technologies, and other senior business executives.

Henkel Adhesive Technologies joined the Indian market in 1996 and remains an important growth engine for the company today. To match the country’s rapid expansion, Henkel has consistently made smart investments to extend its presence there. Today, the company has a significant presence in India, with five manufacturing facilities, two innovation centres, a customer experience centre, a packaging academy, and a footwear application centre.

Henkel India _ B2B

The new Loctite plant at the Kurkumbh manufacturing location underlines Henkel’s ambition to expand in the Indian market. The plant will service Indian firms, further localise the product line, and minimise reliance on imports. It will also help to close the supply-demand gap for high-performance adhesive solutions in the manufacturing, maintenance, repair, and overhaul (MRO) and automotive components industries. Henkel Adhesive Technologies is well-positioned to fulfil increased demand in these rapidly expanding industry segments.

Speaking on the launch, Mark Dorn, Executive Vice President at Henkel Adhesive Technologies, says, “India has emerged as a focus market for Henkel globally. The new Loctite plant highlights our vision to emerge in the country as a self-reliant global market player with a strong local presence. With continued investments, efficient supply chains, and customer-focused solutions, Henkel is committed to driving growth in India and building ecosystems of innovative and sustainable solutions with our partners and customers.”

The Kurkumbh website also highlights Henkel’s commitment to the local community as a responsible corporate citizen. It meets the highest sustainability criteria and is LEED Gold certified, a rarity among chemical factories. In addition, Henkel intends to achieve carbon neutrality in Kurkumbh for Scope 1 and 2 emissions by 2030. To help achieve this goal, the site has signed a green electrical energy Power Purchase Agreement and installed on-site solar panels.

S. Sunil Kumar, Country President of Henkel India, commented, “The expansion of our manufacturing footprint reinforces Henkel’s sustained commitment to making India a manufacturing hub for advanced and high-performance adhesive, sealant, and functional coating solutions. A key highlight of the new Loctite plant is the Automated Storage and Retrieval System (ASRS), which enables fast execution of material storage and retrieval. The plant will leverage Industry 4.0, optimise production efficiency, and further drive profitable, organic growth for Henkel India while continuing to contribute to the ‘Make in India’ initiative of the Indian government.”

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Digital Twin Policy drives Indian infrastructure into the future

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GeoSpatial World’s study recommends India’s National Digital Twin Policy, which will use AI and geospatial technology to alter infrastructure and line with Vision 2047’s aims for sustainable growth.

In a landmark moment for India’s infrastructure sector, GeoSpatial World, a leading think tank in the field of space, geospatial, and digital twin technologies, has unveiled a pivotal study revealing the urgent need for a National Digital Twin Policy that would augment ongoing deep tech strategies like space, geospatial, AI, and Deep Sea Mission and also amplify their collective impact towards productivity gains and sustainable and resilient India.

This comprehensive policy framework is expected to be a game changer for the country’s infrastructure development, aligning with India’s ambitious Vision 2047 ambitions while also addressing existing and future issues.

India’s infrastructure sector is on the verge of a significant revolution. As the country strives to become a $40 trillion economy by 2047, the need of modern technologies in managing and expanding infrastructure projects has never been greater.

The study conducted by Geospatial World and TechKnowMics under the auspices of Think Tank on Digital Twin Strategy for Indian Infrastructure concludes that a National Digital Twin Policy could provide strategic technology integration and a whole-of-data approach across the entire lifecycle of Indian infrastructure, which is critical to achieving these lofty goals.

This strategy would make use of Digital Twin technology, which involves real-time digital modelling of physical assets, processes, and systems. It would also use advanced tools such as Geographic Information Systems (GIS), Building Information Modelling (BIM), Artificial Intelligence (AI), and the Internet of Things (IoT).

“In the face of monumental infrastructure demands, a National Digital Twin Policy is not just a vision but a necessity,” says Sanjay Kumar, CEO of Geospatial World. “Our study reveals that Digital Twin technology can significantly enhance planning, execution, and maintenance of infrastructure projects, advancing the vision of Prime Minister towards ‘Coalition for Disaster Resilient Infrastructure (CDRI)’ positioning India at the forefront of global infrastructure innovation”.

According to Kamal Kishore, Assistant Secretary General of the UN Office on Disaster Risk Reduction, providing resilient infrastructure to natural disasters is critical to long-term economic growth, prosperity, and human development. While the concept of resilient infrastructure is straightforward, its overall execution necessitates a dynamic approach based on the use of modern and disruptive technologies such as geospatial, BIM, and, in particular, Digital Twin, which provides a vast platform for the integration of modern technologies and contributes at every stage of infrastructure development, including planning, construction, operations, and maintenance.

This study describes the value proposition of deploying Digital Twins in Indian infrastructure projects to deliver comprehensive and actionable insights into early warning, fast reaction, increased public safety, and infrastructure damage reduction to ensure long-term sustainability.

In 2023, India’s infrastructure market was valued at INR 15.47 lakh crore, demonstrating the sector’s rapid expansion and critical significance in the country’s economic development. To meet future demands and sustain growth, India will need to acquire investments worth more than INR 374 lakh crore by 2040.

The 2023-24 Union Budget demonstrates a strong commitment to infrastructure, with INR 10 lakh crore allocated—a 33 percent increase over the previous year and 3.3 percent of the country’s GDP. Despite these enormous efforts, there are some significant gaps and difficulties that must be addressed.

Mr Kumar also emphasises, “The potential of Digital Twin technology to transform infrastructure management cannot be overstated. By providing detailed simulations and real-time data, Digital Twins offer a pathway to overcome existing challenges and to proactively shape the future of India’s infrastructure sector.”

The report focuses on how Digital Twin technology handles numerous critical difficulties in the infrastructure sector today. For example, there is an urgent need to close gaps in transportation and utility services, manage budget constraints, and address a trained professional shortage in engineering and construction.

Amit Ghosh, Additional Secretary, Ministry of Social Justice, emphasised that stakeholders must advocate and implement a long-term integrated infrastructure development strategy to effectively manage the country’s multidimensional infrastructure vision, as opposed to the previous approach of need-based and siloed infrastructure planning. To maximise the value of capital investment, integrated infrastructure is vital, and Prime Minister Gati Shakti’s National Master Plan is one of the Government of India’s groundbreaking endeavours.

This, in turn, would provide efficient connectivity, powered by numerous schemes like as the National Infrastructure Pipeline (starting in 2019), with a target investment on infrastructure development of more than USD 1.8 trillion by 2025.

Furthermore, the strategy would address complex legal frameworks and land acquisition difficulties, as well as the challenges of integrating new technology and guaranteeing fair access. The Digital Twin Policy will provide a platform for leveraging and reaping the benefits of the Indian government’s strategic endeavours in space, GIS, AI, deep sea, and drones. Most of these projects would provide a wealth of data through a range of innovative sensors in near real-time, and digital twin policy would supplement its holistic application for Indian infrastructure, says Ananya Narain, VP Consulting.

The benefits of enacting a National Digital Twin Policy are varied. Digital Twins provide a variety of benefits throughout the infrastructure lifecycle. During the planning and design phases, these technologies allow for exact site surveys and the construction of detailed 3D models. Advanced techniques, such as UAV-based LIDAR and radar interferometry, can produce high-resolution data, enhancing site selection and management while potentially increasing energy efficiency by 30 percent and reducing project reworks by 20 percent.

During the construction phase, Digital Twin technologies streamline workflows, increasing production output by 10 percent while lowering asset management downtime by 30 percent. This efficiency extends into the operations and maintenance stages as well. Digital Twins supports continuing asset management and risk mitigation through web-based GIS systems and advanced sensors.

Sustainability is a significant benefit of the National Digital Twin Policy. Digital Twins promotes environmentally friendly designs, reduces waste, and improves energy efficiency by modelling numerous scenarios. For example, by analysing energy usage patterns, these technologies might assist discover possibilities to reduce carbon footprints in infrastructure projects, which aligns with Vision 2047’s environmental aims.

The Digital Twin Policy also has a significant economic benefit. The system enables predictive analytics for early risk detection, improves resource utilisation, and lowers project costs. The capacity to run scenario simulations and risk assessments leads to better decision-making and faster project execution.

The paper also emphasises the importance of geospatial technology to the success of the National Digital Twin Policy. The urban development geospatial industry is anticipated to be worth INR 3,445 crore by 2025, indicating the growing importance of GIS in infrastructure planning. Advanced sensors and scanners, such as LiDAR and GPR, are critical for terrain mapping and asset management, with the transport infrastructure sector’s geospatial market expected to reach INR 2,470 crore by 2025.

Looking ahead, the National Digital Twin Policy envisions advanced uses of Digital Twin technologies, such as predictive analysis, lifecycle integration, and AI-driven performance optimisation. The policy’s strategic aims also include establishing industry-wide standards, encouraging innovation, and boosting collaboration in the Digital Twin sector.

Mr Kumar concludes, “The introduction of a National Digital Twin Policy marks a new era for India’s infrastructure sector. By embracing this technology, India can lead the way in innovative, efficient, and sustainable infrastructure development. This policy is not just about meeting future demands; it’s about setting a new standard for excellence in infrastructure management.”

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MB Crusher empowers global sports infrastructure

MB Crusher _ B2B

MB Crusher is happy to assist in the construction of arenas, stadiums, and sports centres across the world, giving athletes a platform to demonstrate their abilities.

As the world looks to France for the 2024 Olympic Games, let us reflect on the shared principles and traditions of the Olympics and MB Crusher. From ancient Greece to today’s building sites, both the Olympics and MB Crusher represent a heritage of excellence, resilience, and worldwide impact.

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A legacy rooted in Greece
Over two millennia ago, the Olympic Games began in ancient Greece, and they have since evolved into a global celebration of physical skill and unity. Similarly, MB Crusher’s adventure began with one of its original machines, which has been working relentlessly in Greece for over two decades. This machine, a monument to MB Crusher’s endurance and invention, continues to run smoothly, reflecting the Olympic spirit of perseverance.

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What are the shared values and principles?

Overcoming obstacles to reach greatness. Just as athletes train for years to achieve optimum performance, MB Crusher’s machines are designed to withstand the most extreme circumstances, producing consistent results every time. Working in temperatures below zero or blistering heat, MB Crusher machines perform with tenacity. For example, in 2010, an MB jaw crusher helped build the Soccer City Stadium in South Africa for the World Cup.

Global Impact
Just as the Olympics bring nations together, MB Crusher operates globally, influencing construction projects around the world. From stadiums and arenas to critical infrastructure, MB Crusher’s equipment is essential in renovating venues that accommodate the world’s best athletes. For example, in Brazil, jaw crushers and screening buckets were used to construct the Arena Pernambuco Stadium for the 2014 Brazilian World Cup.

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Teamwork, collaboration, and dedication are essential for success in both the Olympics and at MB Crusher. For example, in Italy, a decommissioned sports field was rehabilitated and brought up to full certifiable standards utilising a grapple MB-G450, a jaw crusher BF 90.3, and a trammel screener MB-S10. The Grapple removed the running circuit mat, rolling it up as if it were a carpet at home, a true extension of the operator’s hand; the crusher BF90.3 reduced all the concrete to be used as a subbase for the road that leads to the new field; and the screener recovered the topsoil from the football pitch.

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”Faster, Higher, Stronger Together.”

Legends and myths captivate the mind, but facts and truths shape tomorrow. While Hercules may be claimed to have inaugurated the Olympic Games, MB Crusher has undoubtedly helped create numerous arenas, stadiums and sports complexes and remains devoted to building a legacy of excellence, innovation and worldwide harmony.

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CASE India rolls out the second phase of Project LEAD...

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CASE Construction Equipment has begun the second phase of its Project LEAD project in India, with a focus on 1500 villages to provide rural youth with entrepreneurial skills and agricultural and infrastructure training.

CASE Construction Equipment, a CNH trademark, has launched the second phase of its LEAD (Livelihoods and Entrepreneurship Awareness Development) project in cities across India to encourage rural entrepreneurship and economic development. The initiative’s goal is to reduce urban migration while also encouraging reverse migration by providing business skills to rural youngsters. The project aims to raise awareness about alternative income production opportunities in agriculture and infrastructure through training programmes delivered via a mobile training centre van.

The LEAD 2.0 initiative, begun in Faridabad, expands on the success of the first phase by targeting youngsters in an additional 1500 villages across Uttar Pradesh, Rajasthan, Haryana, Odisha, Bhubaneswar, and Jharkhand. The second edition seeks to educate young talent on critical sectors for rural development, including modern farming techniques and sustainable practices in agriculture, rural industries such as poultry, dairy, beekeeping, and fisheries, and rural infrastructure, with a focus on road construction and irrigation. The LEAD 2.0 initiative aims to empower regional youth by imparting knowledge and skills in these areas, assisting them to create subsidiary income generation avenues, thus addressing the challenges of unemployment and economic disparity in rural areas, fostering a more balanced economic development, and promoting self-reliance among the rural population.

Emre Karazli, Vice President Construction Segment, APAC & AME announces the launch of the LEAD 2.0 project, “At CASE, we support inclusive growth and recognise the vital role that rural entrepreneurship plays in fostering comprehensive economic development. With LEAD 2.0, we reaffirm our commitment to giving the nation’s youngsters in rural areas the resources and opportunities they need to participate in the expanding economy.”

Speaking about the project, Shalabh Chaturvedi, Managing Director, CASE Construction Equipment – India & SAARC, states, “Aligning with India’s vision of ‘Aatmanirbhar Bharat’, CASE has taken a significant step in enhancing the skills of rural youth by connecting them with opportunities and raising awareness. This initiative educates individuals in rural areas and contributes towards socio-economic development in these regions. Through LEAD 2.0, our goal is to address unemployment, bridging the skill gap within the relevant sectors, where there is a high demand for skilled labour.”

The initial phase, LEAD 1.0, had a substantial impact in five states and one union territory, comprising 38 districts and reaching 3,113 villages. With an audience of 61,981, the initiative saw 36,381 people actively participate in presentations. This widespread engagement demonstrates the project’s success in empowering rural communities and emphasises the importance of sustaining and expanding the effort.

In response to the difficulties of unemployment and economic inequity in rural areas, CASE is dedicated to promoting rural entrepreneurship in India. By working with local partners and stakeholders, the company hopes to create new solutions that address these concerns while also catering to the unique needs of each location.

CASE provides a complete range of construction equipment throughout the country and is a market leader in the Vibratory Compactor area. The company’s cutting-edge manufacturing facility in Pithampur, Madhya Pradesh, manufactures Made-in-India items for domestic consumption and export to over 100 markets globally.

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Putzmeister appoints Magesh Swaminathan as Director of Sales

Magesh Swaminathan _ Putzmeister _ B2B

Magesh Swaminathan, with 28 years of experience in numerous industries, wants to help promote progress across the Indian subcontinent.

Putzmeister Concrete Machines Pvt. Ltd. is pleased to announce the appointment of Magesh Swaminathan as Director of Sales, effective July 2024.

Magesh has over 28 years of experience leading sales, after-market, and marketing departments in various industries, including mining, material handling, industrial and capital equipment, and heavy construction equipment.

He had worked for Ashok Leyland, John Deere Construction Equipment, Doosan, Ingersoll-Rand, Volvo, and Hydraform before joining Putzmeister India. Magesh most recently oversaw Sales, Key Accounts, and Strategy at Gmmco Ltd (Caterpillar products).

Speaking about his appointment, Magesh states, “I have worked with many teams over my career. The energy of the Putzmeister team is inspiring. I look forward to working closely with them in delivering value to our customers’ business with best-in-class solutions.”

Kanjanabha Bhattacharyya, Managing Director of Putzmeister Concrete Machines, welcomed Magesh to the world of Concrete Equipment and wished him success in his new position. “Magesh’s rich experience across a range of roles and industries will help accelerate our growth journey in the Indian subcontinent.”

Magesh takes over for Parminder Gabri, who decided to seek other opportunities in May 2024. Kanjanabha Bhattacharyya expressed gratitude for his outstanding contribution to the company from its start in India, “Parminder has played a key role in establishing Putzmeister as the partner of choice when it comes to concrete equipment. We wish him the very best in the next chapter of his professional career.”

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Advanced construction technologies enhancing speed and durability

Asian Paints CCKLI event Chennai _ B2B

This story encapsulates CC-KLI: Construction Chemicals Knowledge Leadership Initiative – India’s Leading Construction Chemicals Summit, Powered by Asian Paints Ltd, a platform where industry experts join hands in sharing their knowledge & experience aimed towards adoption of advanced construction practices.

With fast-paced infrastructural growth in India, construction practices are undergoing sweeping changes. Our future requires sustainable, efficient methods and smarter approaches to building a new world. Asian Paints recognises the growing need for continuous learning and innovation in the ever-evolving construction industry and they champion this through CC KLI – Construction Chemicals Knowledge Leadership Initiative, which fosters creativity and forward-thinking solutions.

CC KLI is a series of events being held in all key cities across the country. The first chapter from 7th edition of KLI unfolded in the vibrant city of Chennai. The event flagged off with the delegates & the Asian Paints team engaging at, the  “Innovation Station -SmartCare System Solutions Exhibit”, stalls built to showcase the remarkable advancements across various product categories, like Waterproofing, Repair & Restoration, Floor Coating & Admixtures offering the attendees unprecedented value and insights.

Post this engagement and product demos, by the Asian Paints Senior Leadership Team addressed the gathering. They stated it is imperative to provide a forum for industry experts to discuss advancements in construction technologies & sustainable practices for the benefit of the construction industry. They emphasised the initiative’s role in bridging knowledge gaps and fostering innovation through collaboration and knowledge sharing. The event brought together industry elites and diverse professionals from Academia, Government bodies, Civil Construction Companies (CCCs), Project Management Companies (PMCs), Builders Firms & Structural Consultants and Architects.

Padma Shri Mr. C N Raghavendran was the Chief Guest of the Event. He opened the event with his insightful note to the audience, stressing the need to reduce carbon footprints in construction. Prof. Dr. Manu Santhanam then captivated the attendees with his keynote address on “Decarbonisation of Construction Industry,” offering insights on sustainable & practical green solutions. His groundbreaking research, focused on minimizing the carbon footprint in construction, promised to change the way we think about building. By showcasing practical solutions for a greener future, Dr. Santhanam’s work underscored the crucial role construction plays in combating climate change.

A panel discussion followed, focusing on “Smart Construction Practices” to accelerate the pace of construction and improve the durability of the structures. The panellists through the course of the panel discussion explored innovative construction techniques and sustainable architectural designs, covering topics like sustainable materials, precast, 3D printing of concrete, BIM integration, drones/UAVs for project monitoring, and digitalisation.

he evolution of concrete technology
One of the central themes of the discussion was the evolution of concrete technology. Dr K Sivakumar, Head—Concrete Technology, Buildings & Factories IC, L&T Construction, gave an in-depth analysis of advancements in this field. He explained how the industry had progressed from using M10 grade concrete to M70 grade, offering superior strength and durability. This progression is driven by the need to construct buildings that withstand various environmental stresses and have a longer lifespan.

“Concrete is not just a material; it’s a science,” Dr Sivakumar stated, emphasising the complexity of creating high-performance concrete mixes. He discussed the importance of understanding the properties of different materials and how they interact under various conditions. 

Dr Sivakumar also highlighted the challenges associated with implementing advanced concrete technologies on-site. While designing high-grade concrete is a significant achievement, its success largely depends on proper execution. Issues such as improper mixing, inadequate curing, and environmental factors can compromise the quality of concrete, leading to structural problems.

Discussing the usage of M70 grade concrete in high-rise buildings, Dr Sivakumar explained that while the material offers superior strength, its implementation requires precise mixing and curing processes. “High-grade concrete is only as good as its application,” he reiterated, emphasising the need for skilled labour and stringent quality control measures.

Technologies in action
New technologies are set to revolutionise the construction industry. Tools like Building Information Modelling (BIM) and automated construction equipment are improving project management, enhancing precision, reduce errors and boosting efficiency. 

Mr. Jenefar Raj, Vice President, Projects, DLF Home Developer, shared insights from DLF’s projects, illustrating how technologies like Building Information Modelling (BIM) and automated construction equipment revolutionise project management.

“BIM allows us to visualise every aspect of a project before construction begins,” Mr Raj explained. This technology provides a detailed digital representation of the physical and functional characteristics of a building, enabling better planning and coordination. By identifying potential issues early in the design phase, BIM helps prevent costly mistakes and delays during construction.

Another significant advancement is the use of automated construction equipment. Mr Raj described how DLF integrates machinery such as robotic bricklayers and automated concrete mixers into their projects. These machines improve efficiency and precision, saving the time and labour required for construction tasks and also reduce the hazardous tasks from workers.

“Automation is changing the face of construction,” Mr Raj noted. “It allows us to complete projects faster and with greater accuracy, ultimately leading to better quality buildings.” 

Bridging knowledge gaps
Dr.Ponni M Concessao, Principal Architect and Founder of Ponni, Oscar &  Rahul Architects, Chennai, pointed out that while technological advancements are crucial, their successful implementation depends on disseminating knowledge and best practices across the industry.

“Knowledge sharing is the cornerstone of progress,” Dr Concessao stated. She discussed the importance of creating platforms where professionals can exchange ideas, share experiences and learn from each other. This approach accelerates the adoption of new technologies and ensures that all industry participants are equipped to meet emerging challenges.

Dr Concessao also elaborated on blending innovation with heritage in architectural design. She highlighted projects where modern technologies preserve and enhance historical buildings. This approach respects cultural heritage and brings new functionalities and efficiencies to old structures.

“Innovation and heritage are not mutually exclusive,” said Dr Concessao. “Combining the two creates technologically advanced and culturally significant buildings.” She explained how her firm successfully incorporated advanced materials and techniques into heritage conservation projects, resulting in structures that meet contemporary needs while preserving their historical value.

Sustainable construction practices
Sustainability remains a critical focus in construction, with industry leaders exploring strategies to reduce the environmental impact of construction. Dr. Manu Santhanam, Dean, IC&SR (Industrial Consultancy and Sponsored Research) from IIT Madras, presented an overview of sustainable construction practices, emphasising the importance of minimising embodied CO2 and energy in building materials.

“Construction is one of the largest contributors to carbon emissions,” Dr Santhanam stated. “We must adopt practices that reduce our carbon footprint and promote environmental sustainability.” Initiatives include using recycled materials and energy-efficient construction methods.

“We need a regulatory framework supporting sustainability,” said Er. C Balamurugan, Executive Engineer & Head of Quality Control Division, PWD, Tamil Nadu. He pointed out that while some regions have progressive policies, others lag the same. A uniform approach is necessary nationwide to ensure all construction activities align with sustainability goals.

While policy support is crucial, industry stakeholders must also take proactive steps to adopt eco-friendly practices. “Sustainability should be a core value, not just a regulatory requirement,” Mr Raj commented.

“Cost is a significant barrier,” Mr Raj admitted. “However, we need to look at the bigger picture. Investing in sustainable practices today will pay off in the future through reduced operating costs and increased property values.” Government incentives and subsidies could help offset initial costs and encourage wider adoption of sustainable practices.

Enhancing durability via strategic planning
Er Balamurugan, renowned for his expertise in structural engineering, emphasised the pivotal role of meticulous planning in bolstering the durability of buildings. “Effective planning is the cornerstone of building durability,” he asserted. “By carefully designing spaces with adequate service provisions, we can eliminate the need for haphazard core cutting, ensuring structural integrity for years to come.” His insights shed light on the critical importance of foresight in architectural design. “Planning plays a crucial role in preserving the longevity of structures,” he added, “Thoughtful design that includes proper service cutouts minimises the risks associated with core cutting, safeguarding buildings against avoidable structural weaknesses.” Er Balamurugan’s perspective underscores the proactive approach needed to mitigate construction risks and enhance the resilience of urban landscapes.

Practical applications and case studies
Bringing practical perspectives, Mr Jennifer Raj and Er Balamurugan shared case studies from their respective fields. Mr. Raj discussed successful projects they have executed in the past, where value engineering and risk assessment deliver quality outcomes within budget constraints. He illustrated how integrating technologies streamlines project management, enhancing efficiency and reducing costs.

He shared examples where innovative solutions achieve significant cost savings without compromising quality. “Value engineering is about balancing cost, quality, and time,” he explained, highlighting the importance of holistic project management.

Er Balamurugan provided insights into the challenges and successes of rehabilitation projects at PWD Chennai. He mentioned projects like Valluvar Kottam and Namakkal Kavingnar Maligai, employing advanced materials and techniques to restore structural integrity and extend the lifespan of these iconic structures. “Rehabilitation preserves the heritage and ensures safety,” Er Balamurugan emphasised, underscoring the need for expertise and innovation in such projects.

Engaging the next generation
Engaging the next generation of construction professionals is crucial for the industry’s future. Dr. Concessao highlighted the need for education and training programs to equip young professionals with the skills for advanced technologies and sustainable practices, ensuring the sector’s continued growth and innovation.

“Investing in education is investing in the future of our industry,” she asserted, emphasising the role of academic institutions in providing theoretical foundations and practical training for young professionals to excel in the construction sector.

Looking to the future
The potential for technologies and sustainable practices to drive significant improvements in the construction sector is immense. The industry’s future looks promising, with ongoing innovation, collaboration, and education paving the way for a resilient and sustainable environment.

The collective effort of industry leaders, policymakers, and educators will be crucial in shaping the trajectory of the construction industry. Embracing these advancements, the sector can ensure a brighter, more sustainable future for future generations.

Asian Paints _ B2B
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Fall of bridges

Fall of bridges _ B2B

In June, over a span of 16 days, ten bridges collapsed in Bihar. This was a shocking blow to India’s infrastructure community as the nation strives for higher growth in road and bridge connectivity.

This situation underscores the urgent need to explore the transformative potential of technological innovation and strategic policy frameworks to fortify bridges and guide the industry towards safer, more resilient infrastructure solutions.

In recent months, Bihar experienced unprecedented bridge collapses across various districts, including Saran, Siwan, Madhubani, Araria, East Champaran, and Kishanganj. These incidents have severely disrupted transportation, affecting over 50 villages and endangering countless lives. The alarming frequency of these collapses, ten in just 15 days, has prompted state officials to scrutinise the quality of construction and the materials used.

The recent spate of bridge collapses in Bihar has brought critical issues in infrastructure management and construction practices to light. Within just a fortnight, ten bridges have failed, primarily due to poor construction, unscientific maintenance practices, and inadequate policies. These events underscore the urgent need for advancements in construction, structural engineering, and policy to prevent such disasters and ensure the safety and resilience of bridges.

Root causes of the Bihar collapses
Many of the collapsed bridges were constructed using substandard materials and techniques. Poor quality control during construction has resulted in strong structures that cannot withstand environmental stresses.

Improper dredging and desilting operations around bridge pillars have removed the necessary support bases, leading to structural failures. The increased water flow during the monsoon season further exacerbated these weaknesses. Many bridges in Bihar are old and must be designed to handle the current traffic load and environmental conditions. The lack of regular maintenance and updates to these structures has made them vulnerable to collapse.

Preventing bridge collapses
Bridge collapses can result from various factors, including natural disasters like earthquakes, design flaws, poor maintenance, and human errors during construction. In India, where climatic conditions vary widely and infrastructure is under constant pressure due to population growth and heavy usage, these factors become even more critical. Each collapse is a stark reminder of the importance of proactive measures in construction and ongoing monitoring to prevent catastrophic failures.

Innovations in structural engineering
Integral abutment bridges are gaining traction due to the durability issues associated with traditional bearings and expansion joints. This design eliminates the need for expansion joints, prone to failure and high maintenance costs. Integrative abutment bridges enhance overall structural integrity and reduce long-term maintenance needs by creating a continuous connection between the bridge deck and abutments or piers.

High-strength steel alloys represent a significant advancement in bridge construction due to their superior durability and resistance to corrosion. These materials are crucial for maintaining the structural integrity of bridges, particularly in regions with harsh environmental conditions.

Fall of bridges _ B2B

Fibre-reinforced polymers (FRP) are becoming increasingly popular in bridge construction thanks to their high strength-to-weight ratio, corrosion resistance, and durability. These materials are particularly effective in strengthening existing structures and extending their lifespan.

Multi-beam steel-concrete composite decks with hot-rolled girders offer economical and effective solutions for short—and medium-span bridges. This design leverages the strengths of both steel and concrete, providing enhanced flexibility and strength while reducing construction time.

Innovative beam-to-pier joint designs simplify construction and assembly procedures while ensuring the effective transmission of forces at supports in continuous beams. This method employs traditional shear studs at the interface between steel beams and concrete slabs, improving the structural behaviour of the joints.

Using prefabricated and precast concrete elements in bridge construction allows for faster construction times while maintaining high quality. This approach reduces on-site construction risks and ensures uniformity in structural components, enhancing overall safety.

Advanced preventive measures in steel and concrete
Steel structures rely heavily on corrosion protection to maintain integrity. Techniques like applying protective coatings such as galvanisation and using corrosion-resistant alloys significantly extend their lifespan. Regular maintenance and inspections are crucial to detecting and addressing corrosion early and preventing structural degradation.

Cathodic protection is another effective method for steel. It involves applying a direct electrical current to inhibit the oxidation process that leads to corrosion. This technique is particularly beneficial in environments like marine settings or high-humidity areas where steel is more susceptible to corrosion.

Using High-Performance Concrete (HPC) formulations in cement and concrete construction is pivotal. These mixes incorporate additives like fly ash, silica fume, and other pozzolanic materials to enhance durability, strength, and resistance to environmental factors. Strict adherence to mixing designs, curing processes, and quality standards during production is essential to mitigate structural deficiencies, emphasising rigorous testing and inspection of materials.

Supplementary Cementitious Materials (SCMs) such as fly ash and slag are increasingly used in concrete mixes to improve durability and sustainability. These materials bolster concrete’s resistance to chemical attacks and reduce the environmental impact associated with cement production.

Migrating Corrosion Inhibitor (MCI) technology is critical in safeguarding reinforcing metal within concrete from corrosion. By delaying corrosion initiation and extending the structure lifecycle, MCI technology enhances durability and sustainability. Its application during construction and as part of maintenance and repair systems for existing structures proves highly effective in ensuring long-term structural integrity.

MCI technology in action
Migrating Corrosion Inhibitor (MCI) technology protects reinforcing metal within concrete structures from corrosion, significantly extending their lifecycle. By delaying corrosion initiation, MCI technology helps maintain structural integrity and reduces the need for frequent repairs and replacements.

In addition to their protective benefits, many MCIs are manufactured using renewable raw materials, making them conducive to earning LEED credits and promoting sustainable construction practices. This aspect aligns with global efforts to enhance environmental stewardship in infrastructure projects by minimising resource consumption and reducing environmental impact.

The Maslenica Bridge in Croatia exemplifies the practical application of MCI technology in a corrosive environment. During its restoration, the bridge underwent a process that included water-blasting to remove spalling concrete. Subsequently, CorrVerter MCI Rust Primer was applied to exposed rebar, followed by a coating of MCI-2020 across the entire concrete structure. These measures were implemented to prevent future corrosion, ensuring the bridge’s longevity and structural reliability.

Similarly, at Prince Mohammed Bin Abdulaziz Medical City in Riyadh, Saudi Arabia, exposed rebars faced potential corrosion due to construction delays and harsh environmental conditions. Utilising CorrVerter MCI Rust Primer and MCI CorShield provided effective protection against corrosion, safeguarding the structural integrity of the medical facility. This application underscores the critical role of MCI technology in preserving infrastructure durability and performance under challenging circumstances.

Policy and government initiatives
Ensuring resilience in infrastructure begins with enforcing stringent building codes and standards. These regulations are essential to guarantee that bridges are designed and constructed to withstand anticipated loads and environmental conditions. Regular updates to these codes, incorporating the latest advancements in materials and construction techniques, are crucial to address evolving challenges and ensure long-term durability effectively.

Implementing comprehensive inspection protocols and conducting periodic structural audits are critical components of resilience-building efforts. These audits, performed by independent, certified engineers, objectively assess bridge conditions. They help prioritise maintenance activities, ensuring timely repairs and interventions to maintain structural integrity over time.

Policies aimed at extending the lifespan of bridges play a vital role in infrastructure resilience. While engineering regulations typically design structures with a lifespan of around 50 years, regular maintenance can significantly prolong this period. Policies mandating scheduled maintenance and providing adequate funding for upkeep are essential to maximise the longevity of bridges and avoid premature replacement.

Public-Private Partnerships (PPP) offer a sustainable funding model for infrastructure projects, including bridges. These partnerships enable timely repairs, upgrades, and modernisation efforts by leveraging private sector efficiency and innovation. Collaborating with the public sector ensures oversight and support, enhancing overall infrastructure resilience through combined expertise and resources.

Effective risk management is another benefit of PPP models in infrastructure development. By fostering collaboration between government agencies and private stakeholders, these partnerships enhance risk assessment capabilities and facilitate proactive maintenance planning. Sharing knowledge and best practices between sectors fosters innovative solutions, ensuring infrastructure remains resilient and capable of meeting future challenges effectively.

Case studies and success stories
The Signature Bridge in Delhi exemplifies modern bridge engineering with its innovative design featuring a steel pylon and cable-stayed structure. Advanced corrosion protection measures and high-strength concrete were crucial in ensuring the bridge’s durability amidst heavy traffic and pollution.

The Mumbai Trans Harbour Link, currently under construction, employs state-of-the-art pre-stressed concrete segments and corrosion-resistant steel reinforcements. The project showcases India’s commitment to adopting cutting-edge technologies for sustainable bridge development.

Addressing the challenges of bridge collapses in India necessitates a proactive approach integrating technological innovation, advanced materials, and robust construction practices. By leveraging integral abutment bridges, steel-concrete composites, and advanced corrosion protection techniques, India can enhance the durability and safety of its bridge infrastructure. Moreover, strict adherence to quality standards, regular maintenance protocols, and continuous research and development will be pivotal in preventing future bridge failures and ensuring sustainable infrastructure development across the country.

As India invests in its infrastructure, bridging the gap between technological advancements and practical implementation will be crucial in building resilient bridges that can withstand the rigours of time and nature.

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Pipe Selection for a High-Rise Building

Dr. Amit Chaudhari LEED AP, PMP, CFPS Head MEP & Infrastructure KPM Engineering _ B2B

This case study offers a detailed examination of the strategic decision-making process in choosing the ideal piping systems for various functions within a 40-story high-rise building.

This case study focuses on the construction of a 40-story residential high-rise building. The central challenge is selecting the most suitable piping materials for various building functions, considering pressure, temperature, durability, cost-effectiveness, and fire safety factors.

The primary challenge lies in choosing piping materials that can efficiently handle the demands of a high-rise environment, including high pressure for water supply, temperature resilience for hot water, effective waste removal, and reliable fire safety measures.

Piping systems considered

  1. Potable water supply: Ensuring high water pressure delivery to all floors.
  2. Hot water supply: Pipes must withstand constant hot water flow and maintain temperature.
  3. Drainage system: Efficient waste removal to prevent backups, especially with many residents.
  4. Fire sprinkler system: Pipes need to handle high pressure during fire emergencies.

Pipe material options and considerations

  • Stainless steel:
  • Pros: Excellent corrosion resistance, high strength, and long lifespan.
  • Cons: High cost, requires skilled labour for welding or flanged connections.
  • Chlorinated polyvinyl chloride (CPVC):
  • Pros: Cost-effective, good for hot and cold water, lightweight.
  • Cons: Lower pressure rating compared to steel, limited UV resistance.
  • Polypropylene (PP):
  • Pros: Lightweight, cost-effective, good chemical resistance.
  • Cons: Lower temperature rating than CPVC, may require specific joining techniques.
  • Galvanized iron (GI):
  • Pros: Affordable, good fire resistance, readily available.
  • Cons: Prone to corrosion over time, requires re-galvanization for long-term use.

Selection process
For the building’s water supply, stainless steel, despite its high cost, is ideal for main risers due to its durability and corrosion resistance, making it suitable for a long-lasting infrastructure. CPVC pipes offer a more cost-effective solution for branch lines within floors, thanks to their ease of installation and capability to handle hot and cold water.

For hot water supply, CPVC is favoured due to its affordability, good temperature resistance, and ease of installation.

For the drainage system, PP pipes are chosen for their lightweight nature, making them easier to handle and install on higher floors, their chemical resistance, and their cost-effectiveness compared to metal alternatives.

The fire sprinkler system requires careful consideration of fire safety codes and performance during emergencies. Two potential options include:

  • Galvanized iron (GI) pipes: Known for their strength, fire resistance, and high-pressure handling capabilities, though they are heavy and require skilled labour for installation.
  • CPVC fire sprinkler system: Some building codes approve specifically designed CPVC systems, offering good fire resistance, lightweight properties, and easier installation than GI pipes. However, compliance with relevant fire safety codes and local approvals is essential.

Additional considerations

  • Sustainability: PP and CPVC pipes are generally more environmentally friendly than stainless steel due to a lower production footprint.
  • Noise reduction: PEX pipes can be an alternative for water supply lines if noise reduction is a priority, though they may not be suitable for high-rise applications due to limitations in pressure rating and fire resistance.
  • Local building codes: Adherence to local building codes is crucial, as well as specifying approved pipe materials, fire resistance ratings, and installation practices for high-rise construction.

Sustainable perspectives
From a sustainability perspective, materials like copper, steel, and cast iron are highly recyclable, reducing environmental impact. Although PVC and HDPE are also recyclable, current infrastructure limitations make them less common. Pipes with longer lifespans, such as copper, cast iron, and concrete, conserve resources by reducing the need for frequent replacements. The production processes for steel, copper, and concrete are energy-intensive and generate significant emissions, but innovations in production processes and using recycled materials can mitigate some of these impacts. Materials like PEX and HDPE, which are easier to install and maintain, reduce the overall environmental impact by minimizing labour, transportation, and material waste. Health and safety considerations, such as releasing harmful chemicals from PVC and impacting water quality from lead in old pipes, are crucial for environmental and human health.

Choosing pipe materials involves balancing performance, cost, and sustainability. Advances in recycling technology, production processes, and innovative materials can enhance the sustainability of pipe systems. Combining different pipe materials is often the most effective solution for a high-rise building. Stainless steel is ideal for main water risers. CPVC is a cost-effective option for hot and cold-water branch lines and some fire sprinkler systems (depending on code approval). PP pipes are well-suited for drainage due to their lightweight nature and chemical resistance. Ductile iron is a strong option for fire sprinkler systems requiring high strength and fire resistance. Consulting with engineers, plumbers, and building code officials ensures a safe, efficient, and code-compliant plumbing system.

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The new frontier of intelligent HVAC systems


Beyond their traditional roles, HVAC systems are becoming intelligent ecosystems that optimise energy use and enhance indoor air quality. Discover how advanced sensors and predictive maintenance are revolutionising the way buildings breathe.

HVAC systems have been pivotal in construction for centuries, delivering indispensable functions like heating, cooling, and ventilation. The selection and design of HVAC systems can also influence other performance objectives, such as water conservation (via water-cooled AC units) and acoustic considerations, contributing to safer and healthier building environments.

Efficient HVAC systems play a vital role in maintaining optimal temperature and humidity levels by drawing fresh air from the external environment. They typically integrate components like thermostats and heating units to provide effective cooling. Given the critical role of HVAC systems in buildings, specialised HVAC consultants wield significant influence in the industry. Today, modern buildings are considered complete only with a well-functioning HVAC setup.

This story explores the benefits of energy-efficient and sustainable HVAC systems to construction projects.


Innovative technologies leading the charge
Smart HVAC Systems equipped with IoT (Internet of Things) capabilities exemplify innovation by enabling real-time monitoring and control. B Gautham Baliga, Director of Opal HVAC Engineers Pvt Ltd, states, “Integration of IoT allows predictive maintenance and energy optimisation based on occupancy patterns, enhancing operational efficiency.”

Variable Refrigerant Flow (VRF) Systems offer precise temperature control in different building zones, adapting refrigerant flow according to demand. Manish A Dandekar, Proprietor of Dandekar HVACR System, emphasises, “VRF systems optimise energy use by adjusting cooling and heating capacities dynamically.”

Energy Recovery Ventilation (ERV) systems capture heat or coolness from exhaust air to precondition incoming fresh air, thus enhancing efficiency without compromising indoor air quality. Rahul Juniwal, Founder of Andhra Refrigeration, notes, “ERV systems contribute to energy savings and support green building certifications like LEED and BREEAM.”

Green design and sustainability
Green HVAC Design integrates renewable energy sources such as solar thermal and geothermal heat pumps, reducing reliance on fossil fuels. Gautham Baliga states, “Incorporating renewable energy into HVAC systems is crucial for achieving sustainability goals and reducing carbon footprints.”

Advanced Air Purification Technologies, including UV germicidal irradiation and advanced filtration systems, are pivotal in enhancing indoor air quality by removing pollutants and pathogens. Ashwin Bhadri, Founder & CEO of Equinox Lab, states, “Advanced air purification technologies ensure healthier indoor environments, supporting occupant well-being.”

Strategies for energy efficiency in HVAC systems
High-efficiency equipment, such as boilers and chillers with high SEER and EER ratings, forms the foundation for reducing energy consumption. Proper sizing and design ensure HVAC systems match building loads accurately, preventing inefficiencies from oversizing or undersizing.


Insulation and Air Sealing of building envelopes minimise heat loss or gain, easing the workload on HVAC systems and enhancing overall energy efficiency. Zoning and Controls, another critical strategy, enable targeted temperature control in different building areas based on occupancy and usage patterns.

Regular Maintenance and Tune-Ups of HVAC equipment are essential to sustain optimal performance and efficiency over time. Energy Recovery Systems, like ERVs and HRVs, recover energy from exhaust air to pre-condition incoming fresh air, further reducing heating and cooling loads.

Adopting Renewable Energy by integrating solar thermal or photovoltaic systems for electricity generation reduces dependence on conventional energy sources, aligning HVAC operations with sustainable practices.

Commissioning and Monitoring ensure HVAC systems operate as designed, continually optimising performance and identifying areas for improvement. Educating Occupants on energy-saving practices completes the cycle, encouraging responsible energy use and maximising HVAC efficiency.

The path forward: Integrating innovation and sustainability
Energy-efficient and sustainable HVAC systems are not merely options but imperatives for the construction industry’s future. Through continual innovation and strategic implementation of advanced technologies, stakeholders can achieve substantial energy savings, reduce environmental impact, and enhance occupant comfort and well-being.

As Ashwin Bhadri highlights, “The integration of advanced HVAC technologies and rigorous analysis through energy modelling and life cycle cost analysis empowers stakeholders to make informed decisions aligned with sustainability goals.”

With these advancements, HVAC systems are set to play an increasingly critical role in shaping a more sustainable and energy-efficient built environment. By embracing these technologies and strategies, the construction industry can pave the way towards a greener future, one building at a time.

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