Welcome to Sunkoshi Marin Diversion Multipurpose Project (SMDMP)

Sunkoshi Marin Diversion Multipurpose Project (SMDMP) is one of the National Pride Project being developed by Ministry of Energy, Water Resources and Irrigation (Nepal). The project got the status of National Pride Project on 20 January 2020.
The project is an inter-basin water transfer project aimed to transfer water from the Sunkoshi River to the Marin river, a tributary of the Bagmati River. The flow will be augumented to the Bagmati Irrigation System to irrigate an additional 122,000 ha of land in Rautahat, Dhanusha, Mahottari, Sarlahi, and Bara.
The design flow of the project is 67 m3/s. The intake has a 12 m high diversion dam in the Sunkoshi river. The flow is transferred via a 13.3 km long tunnel. The project also has a power station to generate 31.07 MW of electricity. The powerhouse is located in Kamalamai municipality.
Total Tunnel Length: 13300 m
Completed Tunnel Length: 13300 m
100% Completed. Updated at: 2081/1/26

Badri Karki
Project Director
pd@smdmp.gov.np

Amar Bahadur Chand Thakuri
Information Officer
info@smdmp.gov.np
Latest Resources
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०८१ श्रावण देखि २०८१ असोज सम्म
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०८१ बैशाख देखि २०८१ असार सम्म
- BoQ for Quotation of Price for Electromechanical Works from Concerned Contractors, Manufacturers and Designers
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०८० माघ देखि २०८० चैत्र सम्म
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०८० कार्तिक देखि २०८० पुष सम्म
- TBM of Sunkoshi Marin Diversion Multipurpose Project (SMDMP), Sindhuli, Nepal encountered and overcomed adverse geological condition of Lesser Himalaya for third time.
- The TBM of SMDMP got stuck at chainage 9+226.988m, third stuck event since the beginning.
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०८० श्रावण देखि २०८० असोज सम्म
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०८० बैशाख देखि २०८० असार सम्म
- सूचनाको हक सम्बन्धी ऐन, २०६४ को दफा ५ (३) को प्रयोजनको लागि सार्वजनिक गरिएको विवरण - २०७९ माघ देखि २०७९ चैत सम्म
News & Events
- SMDMP
- 5th January, 2023
On 5th January 2023 (21st, Poush 2079) at chainage 2+156, the TBM of SMDMP was stuck due to adverse geological conditions of the Siwalik Range. The collapse occurred at the tunnel excavation area. The geology of the front face was observed from the cutter head, and it found that the left-top side of the face is poor lithology of mudstone accompanied by a small amount of water, and the rest area is sandstone with highly developed joints.
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