Our Projects
Portfolio
Mahatma Gandhi Setu, Patna
Sep 19 - Aug 22
The assembly and erection of the permanent truss for the replacement of the superstructure of a 5.575 km long bridge over the Ganga River on NH-19 in Patna, Bihar, marks a significant milestone in the region’s infrastructure development. This project, extending from Km 212.72 to Km 218.295, required extensive planning and precise execution, underscoring the complexity and scale of modern bridge construction. The replacement of the existing superstructure with a new truss demanded careful coordination to minimize disruptions while ensuring that the structural integrity of the bridge was maintained throughout the process.
This project has played a crucial role in enhancing the durability and safety of the bridge, which is a vital link in the National Highway network. The successful completion of the truss erection not only bolsters the bridge’s ability to withstand increased traffic loads but also improves the overall safety for commuters. The new superstructure is designed to endure the challenges posed by the river’s dynamics, including fluctuations in water levels and strong currents, thereby ensuring long-term resilience.
With the replacement completed, the bridge now supports smoother and more efficient transportation along this key route in Bihar. This enhancement is particularly important given the bridge’s role in connecting major economic hubs and facilitating the movement of goods and people. The project’s completion represents a significant achievement in infrastructure improvement, contributing to the region’s economic growth and development by ensuring reliable and safe passage over one of India’s most important rivers.
Portfolio
OWG Girder/Steel Span, Dhrangadhra
Dec 22 - Aug 23
The successful completion of the OWG girder/steelwork for the assembly, erection, and launching of spans at the L&T Virangam site in Dhrangdhara, Gujarat, marks a significant achievement in the field of bridge construction. This project demanded high levels of precision in engineering and construction techniques, highlighting the complexity involved in such large-scale infrastructure projects. The careful planning and execution were critical to ensuring that the girders were installed smoothly and safely, minimizing risks and disruptions during the process.
The girders, which form a crucial part of the bridge’s superstructure, required meticulous fabrication and assembly to meet the stringent specifications necessary for the project. This involved the coordination of various teams and the use of advanced construction equipment to ensure that each phase of the operation was executed flawlessly. The launching of the spans, in particular, required careful synchronization and control to position the girders accurately, ensuring that they could bear the intended loads and provide long-term durability.
With the steelwork now completed, the project significantly contributes to the ongoing development of infrastructure in the region. The new bridge, supported by these girders, is set to enhance connectivity and accessibility for the surrounding communities. This improvement in transportation infrastructure will facilitate easier movement of goods and people, thereby supporting economic growth in Dhrangdhara and the broader Gujarat region. The completion of this phase is a testament to the skill and expertise of the teams involved and represents a key step forward in the region’s infrastructure development.
Furthermore, the successful execution of this project underscores the importance of modern engineering practices in addressing the challenges posed by large-scale infrastructure projects. The precision and care involved in the girder installation have ensured that the bridge will serve its intended purpose effectively, providing a safe and reliable transportation link for years to come. This achievement not only enhances local connectivity but also contributes to the overall improvement of the national transportation network, aligning with broader goals of regional development and economic progress.
Portfolio
Bairabi-Sairang Project, Sairang (Mizoram)
Dec 22 - Aug 23
The completion of the supply, fabrication, assembling, and erection of composite girders for nine major bridges between Hortoki and Sairang marks a significant achievement in the construction of the new BG Railway line from Bairabi to Sairang in Mizoram. This project, which involved the installation of 55 spans of varying lengths from 18.3 meters to 30.5 meters, showcases the successful execution of complex engineering tasks in a challenging environment. The meticulous planning and precise implementation required to complete this work underscore the expertise and dedication of the teams involved.
The project included various critical tasks, such as the metalizing of members, which provided essential corrosion protection to the steel components. This step was crucial in ensuring the long-term durability of the girders, particularly in the humid and variable climate of Mizoram. The careful fitting and fixing of bearings were also essential to the overall structural integrity of the bridges, allowing them to accommodate the dynamic loads imposed by passing trains while maintaining stability and safety.
Additionally, the painting of the girders not only enhanced their aesthetic appeal but also added an extra layer of protection against environmental factors, further extending the lifespan of the bridges. The concreting of deck slabs, a pivotal part of the project, provided a stable foundation for the railway tracks, ensuring a smooth and safe journey for trains traversing the line. Alongside these major tasks, the installation of pathways, inspection ladders, and other ancillary works was completed with precision, enabling effective maintenance and inspection of the bridges in the future.
The successful completion of this project significantly contributes to the infrastructure development in Mizoram, enhancing connectivity between Bairabi and Sairang. These newly constructed bridges form a vital part of the region’s transportation network, facilitating the movement of goods and people and fostering economic growth in the area. The project’s completion is a testament to the advanced engineering techniques employed and the skilled workforce that brought it to fruition, marking a significant milestone in the region’s development.
This achievement also highlights the importance of modern engineering practices in overcoming the challenges posed by difficult terrains and complex construction requirements. The completion of these bridges not only enhances local infrastructure but also plays a critical role in the broader national transportation network, supporting regional development and integration. The success of this project sets a precedent for future infrastructure developments in the region, paving the way for continued growth and progress in Mizoram.
Portfolio
WDFCC- Assembly of Steel Truss, Vadodara
Jan 24 - Feb 24
The assembly process for the steel truss was a critical phase in the construction project, demanding a high degree of precision and attention to detail. One of the key components of this process was the construction of the gallery, which served as both a working platform and a structural element within the truss system. The gallery’s construction required careful planning to ensure that it could support the weight and forces applied during the assembly of the truss. This preliminary step was essential to provide a stable foundation for the subsequent stages of the assembly, enabling workers to operate safely and efficiently.
Once the gallery was in place, the focus shifted to the final assembly of the steel truss. This phase involved the meticulous joining of steel components using bolted joints, a method chosen for its reliability and ease of maintenance. Each joint was carefully aligned and secured with precision to ensure that the truss would function as a cohesive and strong unit. The bolted joints were designed to handle the specific loads and stresses that the truss would encounter, making their correct installation crucial for the overall integrity of the structure.
The process of securing each bolted joint was conducted with great care. Specialized tools and techniques were employed to ensure that each bolt was tightened to the required specifications, avoiding any potential issues such as over-tightening or loosening under load. The importance of these joints cannot be overstated, as they directly contribute to the truss’s ability to bear weight and resist various forces such as wind, vibration, and thermal expansion. The meticulous attention to detail during this phase was vital to achieving a strong and durable structure.
As the final assembly was completed, the steel truss emerged as a robust and reliable component of the overall infrastructure project. Its design and construction were tailored to meet the specific needs of the project, ensuring that it would perform effectively under the conditions it would face. The assembled truss now plays a crucial role in supporting the structure it was designed for, whether it be a bridge, building, or another type of infrastructure. Its strength and stability contribute directly to the safety and functionality of the project, providing assurance that the structure will stand the test of time.
Moreover, the successful completion of the truss assembly reflects the expertise and dedication of the engineering and construction teams involved. Their ability to execute such a complex and detailed process with precision underscores the importance of skilled labor and advanced techniques in modern construction. The assembled steel truss not only fulfills its intended purpose but also exemplifies the high standards of quality and safety that are essential in infrastructure projects. As a vital component of the overall structure, the truss will continue to serve as a cornerstone of the project, ensuring that it meets the demands of its intended use for years to come.
Ongoing Projects
Dimapur Site NFR, Dimapur (Nagaland)
Nov 23 - Present
The assembly, erection, and launching of the open web girders at Dimapur in Nagaland as part of the N.F. Railway Projects represent a significant engineering undertaking, demonstrating the complexity and scale of modern infrastructure development. This project involves the precise assembly of three spans measuring 61.0 meters each, and seven spans measuring 76.2 meters each, highlighting the need for meticulous planning and execution. The open web girders, known for their strength and efficiency in supporting long spans, are critical components that require careful handling and installation to ensure their structural integrity.
The erection and launching phase is particularly challenging, given the substantial size and weight of the girders. To address these challenges, the project employs a specialized cantilever gadget, a sophisticated piece of equipment designed to facilitate the precise positioning and installation of the girders. The cantilever gadget allows for the controlled movement and alignment of the girders, ensuring that each span is accurately placed according to the project’s stringent specifications. This technology is essential in managing the complex dynamics involved in launching such large structures, especially in the rugged terrain of Nagaland.
The process of High-Strength Friction Grip (HSFG) bolting is another critical aspect of the project. HSFG bolts are specifically designed to withstand high levels of stress and provide a secure connection between the components of the girders. The installation of these bolts requires precision and expertise, as they must be tightened to exact specifications to achieve the desired level of friction and ensure the stability of the structure. The careful execution of HSFG bolting is vital for the longevity and safety of the girders, as it directly impacts their ability to support the loads imposed by passing trains.
As the project progresses toward completion, each phase of the assembly, erection, launching, and HSFG bolting is carried out with rigorous attention to detail. The completion of these open web girder spans will mark a significant milestone in the N.F. Railway Projects, contributing to the overall enhancement of railway infrastructure in the region. These girders are designed to support heavy loads and withstand the environmental challenges of the area, ensuring that the railway lines can operate safely and efficiently for many years to come.
Once completed, these girders will play a crucial role in improving transportation and connectivity in Nagaland. The enhanced railway infrastructure will facilitate smoother and more reliable train services, benefiting both passengers and freight transport. The project’s success will not only support the region’s economic development by improving access to markets and resources but also strengthen the overall connectivity of the northeastern states with the rest of India. The completion of the girders at Dimapur will serve as a testament to the advanced engineering capabilities and the commitment to infrastructure development in challenging environments.
The significance of this project extends beyond its immediate functional benefits. It represents a broader effort to modernize and expand the railway network in the northeastern region, addressing longstanding connectivity challenges and opening new avenues for growth and development. The successful execution of the open web girder installation at Dimapur will set a precedent for future projects in the region, showcasing the potential for engineering innovation to overcome geographical and logistical obstacles. Ultimately, the project will contribute to a more integrated and accessible railway network, supporting the aspirations of the communities it serves and fostering greater regional cohesion.
Ongoing Projects
Arch Coastal Bridge Nhava Sheva, Mumbai
Sep 23 - Present
The assembly, erection, and launching of open web girders at Dimapur in Nagaland form a pivotal part of the ongoing N.F. Railway Projects, representing a significant stride toward bolstering the region’s infrastructure. These girders, with three spans measuring 61.0 meters each and seven spans measuring 76.2 meters each, are integral to the railway’s superstructure. Their installation is a complex process that demands precision engineering and a well-coordinated approach, given the massive scale and the intricate nature of the task.
The process begins with the careful assembly of the open web girders, which are designed to handle heavy loads while minimizing the material used, thus offering a balance of strength and efficiency. The open web design, characterized by its lattice-like structure, reduces the overall weight of the girders without compromising their ability to support substantial loads. This makes them ideal for long spans, especially in challenging environments like the hilly and often remote terrains of Nagaland. The assembly phase involves meticulously fitting together each component to ensure that the girders meet the exacting standards required for safe railway operation.
Following the assembly, the next critical step is the erection and launching of the girders. This is where the use of a cantilever gadget becomes essential. The cantilever gadget is a specialized piece of equipment that allows for the precise positioning of these massive girders as they are moved into place. Its use is crucial in ensuring that the girders are accurately aligned with the existing infrastructure, a task that requires not only precision but also careful planning to avoid any misalignment that could compromise the structural integrity of the bridge. The cantilever method is particularly advantageous in areas where space is limited or where traditional construction methods would be impractical due to geographical constraints.
Once the girders are in place, the process of High-Strength Friction Grip (HSFG) bolting is carried out. HSFG bolts are not just ordinary fasteners; they are designed to create a frictional grip between the connected parts, which is critical for maintaining the structural integrity of the girder under dynamic loads. The installation of these bolts involves careful torqueing to specific tension levels, ensuring that the bolts generate the required clamping force. This phase is crucial as it guarantees that the girders will remain securely fastened throughout their service life, capable of withstanding the various forces they will encounter, including the weight of passing trains and environmental stresses such as wind and temperature variations.
The entire process of assembly, erection, launching, and HSFG bolting is being executed with meticulous attention to detail. Every aspect of the work is being monitored and checked to ensure compliance with the highest standards of safety and quality. This rigorous approach is essential in a project of this scale, where even minor deviations can have significant consequences. The successful completion of these girders will not only mark a key milestone in the N.F. Railway Projects but will also demonstrate the capability of modern engineering to overcome the challenges posed by difficult terrains and large-scale construction tasks.
Once these girders are fully installed and the project is completed, they will play a vital role in enhancing the railway infrastructure in the region. The improved infrastructure will facilitate smoother and more reliable transportation, which is essential for the economic development of Nagaland and the broader northeastern region of India. The new railway bridges will improve connectivity, reduce travel times, and make it easier to transport goods and people across the region. This, in turn, will have a positive impact on the local economy, enabling better access to markets, resources, and services.
Moreover, the successful implementation of this project will contribute to the broader goal of integrating the northeastern region with the rest of the country. Improved railway infrastructure is a key component of this integration, as it enhances connectivity and reduces the isolation of remote areas. The completion of the open web girder spans at Dimapur will thus not only serve the immediate transportation needs but will also play a strategic role in the long-term development of the region. It will support the ongoing efforts to develop the northeastern states, bringing them closer to the national economic mainstream and opening up new opportunities for growth and development.
Ongoing Projects
Bhadbhut Dam project, Bharuch
May 24 - Present
The Bhadbhut Barrage, situated on the Narmada River near Bhadbhut village in Gujarat, India, is currently under construction. Our project involves the fabrication and erection of steel structures for this ambitious endeavor. With a focus on precision and quality, we aim to contribute to the successful completion of this significant infrastructure project, ensuring its durability and functionality for the benefit of the region.
Ongoing Projects
Pre-Engineered Buildings
Apr 23 - Present
BOLTORQ INFRACON PVT LTD offers comprehensive Pre-Engineered Building (PEB) services, delivering top-tier solutions tailored to your exact specifications. From concept to completion, our expert team ensures precision engineering, rapid assembly, and cost-effective construction. With cutting-edge technology and a commitment to excellence, we streamline the building process, providing durable structures that meet stringent quality standards. Trust BOLTORQ for innovative PEB solutions that redefine efficiency and reliability in construction.
