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HomePosts Tagged "Publications"

Tag: Publications

feature
NewsPUBLICATIONS
June 3, 2025 By mmsmccom

सुरुङ निर्माणमा नियन्त्रित विस्फोटन: प्रविधि र विस्फोटकको छनोट

नेपालमा जलविधुतीय, सडक सुरुङ, तथा खानेपानी आयोजनाजस्ता पूर्वाधारहरूको तीव्र विकाससँगै सुरुङ निर्माण परियोजना उल्लेखनीय वृद्धि भएको छ। हिमाली भूभाग र जटिल भूगर्भीय बनावटका कारण, यस्ता परियोजनाहरूमा नियन्त्रित विस्फोटन (Control Blasting) एउटा सुरक्षित र प्रभावकारी खनन विधिका रूपमा प्रयोगमा आएको छ। यसको मुख्य उद्देश्य भनेको संरचनात्मक स्थिरता कायम राख्दै, वातावरणीय क्षति न्यूनीकरण गर्नु र कामदार तथा वरपरका समुदायको सुरक्षा सुनिश्चित गर्नु हो। यसैले, नेपालको जटिल भूपरिवेशमा नियन्त्रण गरिएको विस्फोटन केवल प्राविधिक उपाय मात्र नभई एक रणनीतिक विकल्प पनि बनेको छ।

नेपालमा नियन्त्रित विस्फोटनको कार्यविधि

नियन्त्रित विस्फोटन प्रक्रिया प्रारम्भमा विस्तृत भूगर्भीय र प्राविधिक अध्ययनबाट सुरु हुन्छ। नेपालको भौगोलिक विविधताका कारण ग्रेनाइट, चुनढुङ्गा, र अन्य नरम चट्टानहरू विभिन्न स्थानमा पाइन्छन्, जसअनुसार विस्फोटन डिजाइन (Design) फरक हुन्छ।

इन्जिनियरहरूको सहायताले विशेष ढाँचामा ड्रिलिङ होलहरू खनिन्छन् जस्तै:

  • कट होलहरू: सुरुङको केन्द्र भागमा प्रारम्भिक विस्फोटनका लागि।
  • लिफ्टर होलहरू: भुइँ चट्टान निकाल्नका लागि तल्लो भागमा।
  • पेरिमीटर होलहरू: सुरुङको सटीक रूप र सीमाना निर्धारण गर्न।
    यी प्वालहरूको स्थान, कोण र गहिराइ चट्टानको किसिम अनुसार तय गरिन्छ ताकि अव्यवस्थित रूपमा विस्फोटन कम होस् र सुरुङको आकार सटीक रहोस्।

प्रमुख नियन्त्रित विस्फोटन प्रविधिहरू

  • स्मूथ विस्फोटन – भित्ताहरूलाई समतल र स्थिरराखी हल्का विस्फोटकसहित नजिकै ड्रिल गरिन्छ।
  • पूर्व विभाजन – मुख्य विस्फोटन भन्दा अघि चिरा पारेर अव्यवस्थित रूप न्यूनीकरण गरिन्छ।
  • कुशन विस्फोटन – मुख्यतया सुरुङको छेउ भागमा प्रयोग हुने प्रविधि जसले भित्ताहरू सुरक्षित राख्छ।
  • डिले विस्फोटन – प्वालहरू क्रमशः मिलिसेकेन्डको फरकमा विस्फोट गरिन्छ, जसले कम्पन र क्षति घटाउँछ।

विस्फोटक छनोट

विस्फोटक सामग्रीको छनोट चट्टानको प्रकृतिमा आधारित हुन्छ

  • कठोर चट्टानहरू जस्तै ग्रेनाइट, दर्शनढुङ्गा– उच्च शक्तिका विस्फोटक जस्तै इमल्सन Emulsion) वा एएनएफओ (ANFO – Ammonium Nitrate Fuel Oil) प्रयोग गरिन्छ । यी विस्फोटकहरूको डिटोनेसन वेग (Detonation Velocity) र उर्जात्मक क्षमता उच्च हुन्छ ।
  • मध्यम कठोर चट्टानहरू जस्तै चुनढुङ्गा – मध्यम श्रेणीका विस्फोटकहरू उपयुक्त हुन्छन्।
  • नरम चट्टानहरू – जस्तै सिल्टस्टोन कम ऊर्जा दिने विस्फोटक प्रयोग गरिन्छ ताकि अनावश्यक क्षति नहोस्।

आधुनिक प्रविधिको प्रयोग: इलेक्ट्रोनिक डिटोनेटर

हालका वर्षहरूमा सुरुङ निर्माणमा नन–इलेक्ट्रिक (NONEL) वा इलेक्ट्रिक क्याप (Electric Caps) को तुलनामा, इलेक्ट्रोनिक डेटोनेटरहरूले (Electronic Detonators – EDs)  मिलिसेकेन्ड स्तरमा उच्च सटीकता प्रदान गर्छन्, जसले विस्फोट नियन्त्रण, सुरक्षा, र परिणाममा उल्लेखनीय सुधार ल्याएको छ।

यस प्रविधिका विशेषताहरू:

  • विस्फोट समयको अत्यन्त उच्च सटीकता (मिलिसेकेन्डको अन्तरमा विस्फोट)
  • विस्फोटनको राम्रो नियन्त्रण
  • कम कम्पन
  • संरचनात्मक जोखिममा उल्लेखनीय कमी
  • अधिक सुरक्षित कार्य वातावरण

नेपालजस्तो जटिल भूगर्भीय संरचना भएको मुलुकमा, यो प्रविधि प्रभावकारी मात्र नभई अत्यावश्यक बनिसकेको छ।

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tunneling
PUBLICATIONSNews
May 29, 2025 By mmsmccom

Future of tunneling & How explosives are shaping in Nepal

Nepal is a developing country, which needs to accelerate in developing its crucial infrastructures for the economic prosperity of the people living. Tunneling in Nepal started in 1917 with the first tunneling project the Churia Tunnel which is a highway tunnel of 500 meters long that facilitate trade between Kathmandu and Raxaul. The use of underground space is not new and people in this country have used underground space for many years, with early miners digging small tunnels and caves to get minerals like copper, iron, lead, cobalt, nickel, and different colored stones. In recent past the tunneling activities have increased considerably in the country with the development of many medium scale hydropower projects.  

Tunnels and underground caverns in Nepal are primarily required in four key areas:

  1. Water conveyance
  2. Transportation
  3. Mining, and
  4. Food storage facilities.

Modern and institutionalized tunneling in Nepal began with the excavation of tunnels and an underground powerhouse for the Tinau Hydroelectric Project near Butwal in 1970, marking the beginning of approximately 75 kilometers of tunnel construction. Numerous hydropower development projects have been implemented till date, along with the country’s first road tunnel construction project, the Nagdhunga Tunnel which is now nearing completion. In Nepal, major rivers originate in the Himalayas and hold substantial potential for hydropower generation. Moreover, the future of tunneling in Nepal looks promising with several ongoing and planned projects mostly related with transportation and Hydropower. These projects are indicating the growth in Nepal’s infrastructure development.

In the present scenario the explosives continue to play a vital role in tunneling worldwide, especially in challenging geographical conditions.  The use of explosive in Nepal initially started for basic operations such as mining, road construction etc, in the mid 20’s. For tunnel excavation, Nepal mostly uses the drill-and-blast technique. This involves drilling holes into rock faces and detonating explosives to fragment the rock. While this method was effective, this method can lead to challenges such as over breaking of rocks especially in jointed or fractured rock formations that leads to increasing the cost as well as poses safety risk.

As of 2025, Nepal employs various types of explosives in it’s tunneling projects, particularly for hydropower and infrastructure development. The selection of explosives materials such as detonators, initiating system, packed explosives and others is influenced by geological conditions, project scale, and availability.  Challenges are still yet to be overcome in complex geological structures in Nepal. To mitigate this limitation of traditional method, Nepal is gradually adopting Tunnel Boring Machine (TBM) for tunnel excavation. TBM can be the most efficient method of tunneling as Nepal has a critical structure, TBM can help in completion of projects in less period with safety and less environment impact.  

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lower 3
PUBLICATIONSNews
April 15, 2025 By mmsmccom

Transformative Impacts: How lower Likhu Hydropower benefits in sustainable development

The Lower Likhu Hydropower Project (28.1 Mw) is runoff river type project located at Ramechhap and Okhaldhunga Districts. The total length of the tunnel is 4797 m, and the excavation of tunnel is done by traditional drilling and blasting process. MMSM helped overcome the challenges by supplying the necessary explosive technologies.

Project Overview:

Project Name

Lower Likhu Hydropower

Project Location

Likhu River

Project District

Ramechhap, Nepal

Project Capacity

28.1 MW

Various tunneling challenges were faced by this hydropower project due to complex geology in the Himalayan region such as high overburden pressure areas, rock bursts and spalling etc. MMSM worked effectively in the supply of explosives to this project, the supply of explosives such as detonators, detonating cords, non-electric detonators etc has led in timely completion of the project. MMSM used the product of ORICA, the worlds renowned manufactures of explosives. MMSM also provided necessary training and awareness about the sustainable ways of blasting without affecting the environment, management of the vibrations that disrupt the local and natural commodities.

Even though the challenges faced by this project such as local communities’ disruption, the project now has been sourcing for many benefits. Generating employment opportunities, boost of local business, water management, empowering the household and industries etc that helped in sustainable development of that area. MMSM as the explosive partner for this project takes pride in contributing to this impact through safer, smarter tunneling solutions.

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hnd
PUBLICATIONSNews
April 1, 2025 By mmsmccom

Cut in Supply of Electric Detonators by Mohanman Shaktiman

Starting April 1, 2025 the use of traditional electric detonators will be officially banned, marking a significant shift in the explosives industry. The ban aims to enhance safety and efficiency by the use of electronic detonators, which offer more accuracy and reliability.

Government of India and Mohanman Shaktiman’s decision to phase out electric detonators marks a significant shift in the blasting industry, reflecting a global move toward safer and more technologically advanced alternatives. With the reduction in electric detonator supply, Mohanman Shaktiman will adopt to Orica’s electronic blasting systems. Orica, a global leader in explosives and mining solutions, offers cutting-edge electronic detonator technologies that provide advance safety, efficiency, and environmental benefits.

Comparing Electric and Electronic Detonators

FeatureElectric DetonatorsElectronic Detonators
SafetyHigh risk of accidental initiationResistant to EMI and stray currents
PrecisionMillisecond inaccuracyHighly precise timing
SynchronizationLimited control over sequencingAdvanced sequential blasting capability
Remote ControlNot possiblePossible with some systems
CostLower initial costHigher initial cost but more efficient in the long run

Electric detonators have been widely used in Nepal’s major infrastructure projects, such as hydropower development, road construction, and mining operations. These detonators help in controlled rock blasting, tunnel excavation, and site preparation. However, they come with significant risk such as accidental initiation, uneven blasting due to timing accuracy and so on.
To overcome such risk MMSM shift towards using electronic detonators in Nepal, through this Nepal’s projects can benefit from enhanced safety, improved blast accuracy, and better environmental control, ensuring efficient and hazard-free execution of large-scale construction and mining operations.

What Makes Electronic Detonators a Better Choice?

Electronic detonators, which are now set to replace electric ones, come with advanced features that improve overall blasting safety and effectiveness. Their advantages include:

  • Improved Safety: Electronic detonators use encrypted digital signals for activation, making them immune to accidental initiation by stray currents or EMI.
  • Higher Precision: They allow for millisecond-level timing accuracy, ensuring better fragmentation, controlled vibrations, and reduced fly rock.
  • Better Synchronization: They enable sequential blasting with high accuracy, which optimizes energy release and minimizes environmental impact.
  • Remote Monitoring & Control: Some electronic detonator systems can be programmed and monitored remotely, reducing the need for personnel to be near the blast zone.

In this critical but much-needed transition, MMSM will provide guidance and support in all aspects of change that impact the environment. Additionally, it will play a key role in logistics and the supply of innovative tunneling technology, ensuring the efficient and sustainable development of explosives and tunneling operations.

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Nagdhunga
PUBLICATIONSNews
March 24, 2025 By mmsmccom

Nagdhunga Tunnel – MMSM contributions

The Nagdhunga Tunnel, Nepal’s first mountainous road tunnel, is a 2.688-kilometer-long project aimed at improving the road connectivity. The project, which started in October 21, 2019  is designed to connect Nagdhunga Pass in Kathmandu to Sisnekhola in Dhading district and is part of the Tribhuvan Highway. The tunnel has a height of 8.3 meters and a lane width of 9.5 meters. Therefore, the Nagdhunga Tunnel Project is a game-changer for Nepal’s road infrastructure, aiming to reduce travel time, ease traffic congestion, and improve connectivity between Kathmandu and the western regions of Nepal.

Since 1953 Mohanman Shaktiman (MMSM) has played a significant role in supply of raw materials (Cement, Steels, Explosives) for construction of Tribhuvan Highway, till today MMSM sourced for supply of new innovative technologies for construction of Naghdhunga Tunneling Project. Tunneling in mountainous terrain presents unique geological challenges. To ensure smooth progress,MMSM supplied high-quality explosives and explosive materials from Orica, World’s leading manufacturer of explosives and mining solutions and provide training facilities. Thus, this led to safe and controlled blasting to break through tough rock formation, timely excavation, and minimized environmental impacts.

Even though the Covid 19 pandemic disrupted the logistics and supply chain worldwide. Despite this hurdles MMSM was committed to delivering materials on time, MMSM team worked relentlessly to ensure that the tunneling project continued without delays, recognizing its significance in enhancing Nepal’s transportation network.

Despite obstacles such as the COVID-19 pandemic, local challenges, geological difficulties, and environmental concerns, the Naghdhunga Tunneling Project is now in its final stage, with approximately 87 percent of the construction work completed. Even with the rapid progress of construction, it will take a year before the tunnel route is ready for vehicle operation. Once the project is completed it will take seven minutes to travel from Sisnekhola to Balambu. Additionally, the flyover towards Balambu is in its final stage, with about 97 percent of the work already completed. Thus, by the end of 2025, the tunnel is expected to be softly opened.

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mmsmc.com
PUBLICATIONSNews
March 17, 2025 By mmsmccom

Enhancing Blasting Efficiency with Electronic Detonators

Blasting operations play a crucial role in mining, tunneling, and construction projects, where precision and control are vital for achieving optimal results. One of the most significant advancements in blasting technology is the use of electronic detonators, which offer highly precise delay timings. This precision directly impacts blast performance by reducing overbreaks, minimizing vibrations, and achieving greater pull and advance rates. Compared to traditional electric or non-electric systems, electronic detonators provide superior control over the blast sequence, leading to more efficient fragmentation and reduced material wastage.

One of the key advantages of electronic detonators is their ability to significantly reduce overbreaks. In tunneling and underground mining, excessive breakage beyond the intended blast perimeter can lead to structural instability and additional support costs. By ensuring millisecond-level accuracy in delay sequencing, electronic detonators help control the extent of rock breakage, preserving the integrity of surrounding structures and reducing the need for post-blast scaling and reinforcement. Additionally, the controlled energy release minimizes ground vibrations, which is critical in sensitive areas where excessive vibrations can damage nearby infrastructure or cause safety hazards.

Another major benefit of using electronic detonators is their ability to deliver greater pull and advance rates in blasting cycles. Traditional detonators often suffer from inaccuracies in delay timing, leading to inefficient energy distribution and uneven rock fragmentation. Electronic detonators, on the other hand, allow for optimized timing sequences, ensuring better rock displacement and improved face advance per blast. This leads to higher productivity, reduced downtime, and better overall cost efficiency in large-scale excavation projects.

From a safety perspective, electronic detonators offer substantial advantages over electric detonators. Unlike electric detonators, which are susceptible to stray electrical currents, radio frequency interference, and misfires, electronic systems provide enhanced security through encrypted communication and programmability. Additionally, electronic detonators allow for real-time diagnostics and verification before initiation, reducing the risks of unexpected failures or misfires. The improved precision and control over initiation sequences also minimize fly-rock incidents, making blasting operations safer for workers and surrounding environments. Overall, the shift towards electronic detonators represents a significant leap in both operational efficiency and workplace safety in the blasting industry.

 

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banned
NewsPUBLICATIONS
March 11, 2025 By mmsmccom

Government of India to Discontinue Electric Detonators from March 30, 2025: A Safer, More Productive Future with Electronic

Detonators

The Government of India has officially announced the discontinuation of electric detonators, effective March 30, 2025. This decisive move is aimed at enhancing safety standards and improving blasting efficiency in mining, construction, and infrastructure projects. As industries transition to electronic detonators, Orica is at the forefront of this change, introducing its cutting-edge TigerDet Electronic Detonators along with an advanced Blaster system.

 

Why Shift from Electric to Electronic Detonators?

  1. Enhanced Safety

Electric detonators are prone to unintentional initiation due to stray currents, static electricity, and radio frequency interference (RFI). This poses a significant hazard in high-risk environments like tunneling and mining. Electronic detonators offer superior protection by eliminating these risks, ensuring controlled and precise initiation.

  1. Superior Accuracy and Precision

Unlike traditional electric detonators, electronic detonators provide microsecond accuracy in timing. This results in better fragmentation, reduced overbreak, and minimal vibration, which is especially crucial in sensitive projects such as tunnel construction.

  1. Higher Productivity and Cost-Efficiency

  The precision of electronic detonators ensures optimized rock breakage, reducing the need for secondary blasting and minimizing excavation costs. This leads to faster project completion, lower downtime, and improved overall efficiency.

Impact on Tunneling Projects in Nepal

Nepal’s infrastructure landscape is witnessing rapid transformation, with several ambitious tunneling projects underway. The adoption of electronic detonators will bring unmatched safety and efficiency to these projects. With improved blast control, tunneling in challenging terrains will become more predictable and environmentally friendly, reducing the impact on surrounding structures.

Orica’s TigerDet: Leading the Future of Blasting

To support this transition, Orica is set to launch TigerDet Electronic Detonators, a state-of-the-art solution designed to maximize safety and performance. The system will be complemented by a high-tech Blaster, ensuring smooth operation and reliable initiation.

Orica is also committed to training all customers in handling and using electronic detonators effectively. This initiative will equip industry professionals with the knowledge and skills required to ensure a seamless shift from electric to electronic systems.

Preparing for the Transition

With the deadline approaching, companies and contractors must take proactive steps to upgrade their blasting systems. Orica’s customer training programs will be instrumental in ensuring a smooth adoption of electronic detonators in compliance with regulatory changes.

The shift to electronic detonators is not just a regulatory requirement, it is a transformative step towards a safer, more efficient, and technologically advanced future in blasting operations. With Orica leading the way with TigerDet, the industry is poised for a significant leap in safety and productivity.

For more details on TigerDet and Orica’s training programs, stay tuned for upcoming workshops and demonstrations.

Are you ready for the transition? Contact Orica today to learn more about TigerDet and the future of safe and efficient blasting!

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Middle-Marsyangdi-Hydropower-Sta
PROJECT WORKPUBLICATIONS
August 20, 2024 By mmsmccom

Starting a Hydropower Company in Nepal: Navigating Legalities and Tunneling Challenges

Nepal, blessed with abundant water resources and mountainous terrain, holds immense potential for hydropower development. With an estimated capacity of over 83,000 MW, the hydropower sector is a key driver for the country’s economic growth and energy independence. Starting a hydropower company in Nepal is a promising venture, but it requires a deep understanding of the legal framework and technical challenges, particularly in tunneling, which is a critical aspect of hydropower projects in this region.

Hydropower project in Nepal

Understanding the Legal Framework

Starting a hydropower company in Nepal involves navigating a complex legal landscape, which includes obtaining multiple licenses and adhering to various regulations. Here’s a step-by-step guide to the legalities:

1. Company Registration

The first step is to register your company with the Office of the Company Registrar (OCR). The process involves submitting an application with details of the company’s structure, shareholders, and capital. Once registered, the company can legally operate in Nepal.

2. Obtaining Survey Licenses

Before commencing any hydropower project, you need to obtain a survey license from the Department of Electricity Development (DoED). This license permits you to conduct feasibility studies, environmental impact assessments (EIA), and social impact assessments (SIA). The survey license is typically granted for a period of 18 months, with the possibility of extension.

3. Environmental and Social Impact Assessments

Conducting an EIA and SIA is mandatory. These assessments evaluate the potential environmental and social impacts of the project and propose mitigation measures. Approval from the Ministry of Forests and Environment is required before moving forward.

4. Power Purchase Agreement (PPA)

A Power Purchase Agreement (PPA) with the Nepal Electricity Authority (NEA) is essential. The PPA outlines the terms and conditions for the sale of electricity generated by your hydropower project to the national grid. Negotiating favorable terms in the PPA is crucial for the financial viability of your project.

5. Construction License

Once the survey is complete and the EIA and SIA are approved, you can apply for a construction license from the DoED. This license allows you to begin the construction of your hydropower project. The application process involves submitting detailed project plans, financial models, and technical designs.

6. Compliance with Local Laws

In addition to national laws, you must comply with local regulations, including land acquisition, labor laws, and community engagement. Establishing good relations with local communities is vital for the smooth execution of your project.

The Tunneling Aspect: Challenges and Considerations

Tunneling is a critical and challenging aspect of hydropower projects, particularly in Nepal’s mountainous terrain. Proper tunneling techniques are essential for ensuring the stability and safety of your project. Here are key considerations:

1. Geological Surveys

Before tunneling, comprehensive geological surveys are necessary to understand the rock formations, soil conditions, and potential seismic activity. These surveys help in selecting the most suitable tunneling method and in designing the tunnel to withstand geological challenges.

2. Tunneling Methods

There are several tunneling methods to consider, depending on the geological conditions:

  • Drill and Blast: Commonly used in hard rock conditions, this method involves drilling holes in the rock, filling them with explosives, and blasting to create the tunnel.
  • Tunnel Boring Machines (TBM): TBMs are used for soft rock or soil conditions. They are more expensive but provide a faster and safer tunneling option.
  • New Austrian Tunneling Method (NATM): This method involves continuous monitoring and adjusting of support systems based on real-time geological conditions.

3. Water Ingress Management

Managing water ingress is a significant challenge in tunneling. Proper drainage systems, grouting, and waterproofing are essential to prevent flooding and ensure the structural integrity of the tunnel.

4. Safety Measures

Safety is paramount in tunneling operations. Implementing robust safety protocols, regular inspections, and emergency response plans is critical to protect workers and minimize risks.

5. Tunnel Ventilation

Adequate ventilation is required to remove dust, gases, and heat generated during tunneling operations. Designing an efficient ventilation system is essential for maintaining a safe working environment.

Conclusion

Starting a hydropower company in Nepal is a venture filled with both opportunities and challenges. Understanding the legal requirements and the complexities of tunneling in mountainous terrain is crucial for success. By navigating the legal framework diligently and addressing the technical challenges with expertise, you can contribute to Nepal’s energy independence while building a profitable and sustainable business.

Whether you are a seasoned entrepreneur or a newcomer to the hydropower sector, careful planning, strong legal compliance, and technical proficiency will be your keys to success in this dynamic industry.

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Arun-III Hydroelectric Project SJVN Completes 11.8 KM Head Race Tunnel in Nepal
News
June 4, 2024 By mmsmccom

Arun-III Hydroelectric Project: SJVN Completes 11.8 KM Head Race Tunnel in Nepal

June 4, 2024 – Sankhuwasabha, Nepal

Sutlej Jal Vidyut Nigam (SJVN), a prominent Indian public sector undertaking, has successfully achieved a significant milestone in the construction of the Arun-III Hydroelectric Project. The company has completed the excavation of an 11.837 kilometer main head race tunnel for the project, which is expected to generate 900 megawatts (MW) of power. This landmark achievement marks a crucial step towards realizing Nepal’s renewable energy potential.

The Arun-III project, situated in the Sankhuwasabha district of Nepal, is poised to play a vital role in the region’s energy landscape. The project not only aims to enhance Nepal’s energy security but also seeks to facilitate cross-border electricity trade between India and Nepal, further strengthening bilateral ties.

The successful excavation of the head race tunnel was accomplished using ORICA explosives and accessories, which were the preferred choice of the contractors for this phase of construction. The advanced technology and efficient blasting techniques employed have minimized environmental impact while ensuring the structural integrity of the tunnel.

In addition to its energy generation capabilities, the Arun-III project is expected to create numerous job opportunities in the region, contributing to local economic development. The project will also focus on sustainable practices, including the implementation of environmental management plans to mitigate any potential ecological impacts.

The Arun-III Hydroelectric Project is part of a broader strategy to tap into Nepal’s abundant hydropower resources, which are estimated to exceed 80,000 MW. With the completion of the head race tunnel, SJVN is on track to meet its project timelines, with further phases of construction expected to progress smoothly.

As Nepal continues to develop its hydropower infrastructure, projects like Arun-III are crucial in addressing energy demands, promoting sustainability, and enhancing regional cooperation in the energy sector. The successful collaboration between Indian and Nepali stakeholders in this project serves as a model for future initiatives aimed at harnessing the region’s renewable energy potential.

With the groundwork laid, SJVN remains committed to completing the Arun-III Hydroelectric Project on schedule, contributing to a greener, more sustainable future for Nepal and the surrounding region.

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Robbins TBM Achieves Major Milestone 13.2 KM Tunnel for Sunkoshi Marin Diversion Project Completed 7 Months Early
NewsPUBLICATIONS
May 8, 2024 By mmsmccom

Robbins TBM Achieves Major Milestone: 13.2 KM Tunnel for Sunkoshi Marin Diversion Project Completed 7 Months Early

T
he Sunkoshi Marin Diversion Multipurpose Project (SMDMP) has celebrated a significant achievement with the early breakthrough of its 13.2 kilometer tunnel, completed in just 20 months—almost 7 months ahead of the planned schedule. This remarkable success highlights the effective partnership between Robbins, renowned for its tunnel boring machines (TBM), and the prime contractor, China Overseas Engineering Group (COVEC). The expedited completion of the tunnel is crucial for the SMDMP, which aims to optimize water resource management for irrigation and hydropower generation in the region. The efficient excavation process not only showcases advanced mechanized tunneling techniques but also reflects the collaboration’s ability to navigate complex geological conditions. Experts in the field have commended the project for its innovative approach to tunnel excavation, marking it as a benchmark for future infrastructure endeavors in Nepal. As the project moves forward, stakeholders are optimistic about the positive impact it will have on local agriculture and energy supply, ultimately enhancing the quality of life for communities in the area.
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