Kurobe river is known as rampage river which flows fast in the steep and narrow slope.
Since the establishment of Otaka , our main works like flood protection project to protect the lives and property of people in the basin suffering from flood damage and for the power supply development by overcoming the harsh natural environment.
The thoughts of predecessors who challenged these are still taken over by us.
The development of social infrastructure has progressed and “ safety,security and comfort” has become common today. In other to protect the present status we are and we will play a big responsibility with our high technology both today and in the future. That’s OTAKA’S Pride

  1. Ooshima Block Production Construction
  2. Regional Road Asahi Unazuki Bridge Repairment & Maintenance Construction
  3. Subsidiary at Myanmar
  4. 林野庁補助事業「地域内エコシステム」構築事業
  5. Natural Environment Maintenance, Keyakidaira Area Maintenance Work
  6. H30 Toyama Kurobe Internal Bridge Repairment Construction
  7. Emergency Slope Protection at Akebi, Ravine Construction
  8. Kurobe River Block Production & Other
  9. Unazuki Fire Station Government Building Maintenance Construction (Main Building)
  10. Birudann (1) Slope Protection (Steep Slope) Erosion Control, Construction
  11. 2016,Kokurobe Dani Landslide Prevention Dam and other Construction
  12. (日本語) 地下水・温泉熱併用ヒートポンプ空調【ジオパーク展示室】
  13. Accumulation of Driftwood and other work at Unazuki Dam, 2019
  14. Birudani Regional Erosion Control( Steep Slope) Construction
  15. Maintenance and Repairment of Unazuki Bridge
  16. Construction of Shinetsu Headquarter Building (New Construction)
  17. Water Heat Source Heat Pump Air Conditioner Using Self- Blowing Well (Ground Water)[Ikuji, Kurobe City]
  18. Yosiwara River Bank Improvement ( No.143) Block Production Construction
  19. Kusurido ,Otozawa Area Embankment Reinforcement Construction
  20. Kuronagi Dani No.2 Downstream Landslide Prevention Dam Construction
  21. Kokurobe Dani No.2 Landslide Prevention Dam Construction
  22. Ground Water Thermal Heap Pump Air Conditioning(detached house in Toyama)
  23. Kurobe City Onsen Multipurpose Building (New Construction)
  24. Heat Pump Air Conditioning System Utilizing Groundwater’s Heat[ Otaka Construction Co.,Ltd]
  25. Kurobe City Government Administration Building ( New Construction)
  26. Urayama Interaction Center ( New Construction)
  27. Kurobe Dani Material Transportation Road Construction
  28. Kamiiino Embankment Construction
  29. Katakai River Embankment Construction
  30. Public Square , Regional Railway Unazuki Onsen Station
  31. Non Sprinkling Snow Melting System , Utilizing Unused Hot Spring
  32. Kurobe River Landslide Prevention Dam Reconstruction
  33. Rinndou Betumata Soga Takesen Slope Protection Construction
  34. Yosiwara Detached Breakwater Block Production Construction
  35. Aimoto Tokodone Waterways Repairment
  36. Interaction Plaza ( Main Building)
  37. Ogyu Embankment Reinforcement Construction
  38. Kuronagi River Erosion Control Dam Reconstruction work
  39. Rinndou Betumata Soga Takesen Slope Construction( Part 3 and Part 4)
  40. Matuodani (Material Transportation Road) Restoration Afforestation Construction
  41. Community Development Business Utilizing Renewable Energy