CONSTRUCTION
RECORD

Onshore Transmission Lines and Substation at Noshiro Port

• 
  2021/11/20Restoration construction of main pavement on the underground conduit for electric cables.
  To remove temporary pavement and to lay main pavement.
• 
  2021/10/05Completion of construction for onshore step-up substation.
  The onshore step-up substation has become operative since October 5, 2021.
• 
  2021/09/16Installation of optical cables at port facility.
  To install optical cables which monitor and control wind turbines.
• 
  2021/08/26Cable installation work at step-up substation.
  To connect cables transmitting power from wind power station to substation equipment.
• 
  2021/07/26Equipment installation work at step-up substation.
  To install a transformer on the completed foundation.
  
• 
  2021/06/29Foundation work at step-up substation.
  To pour concrete into the area of reinforcing bars and smooth the surface.
• 
  2021/05/21Installation for manhole at step-up substation.
  To arrange reinforcement for reinforcing bars.
• 
  2021/04/12Start of installation for electric cables on Onozawa Line.
  To put electric cables through manhole into the underground conduit already buried.
  
• 
  2021/04/12Start of installation for manhole at step-up substation.
  To make excavation for manhole installation.
• 
  2021/03/15Installation of propulsion conduit on National Route 7.
  To install underground conduit for electric cables inside of propulsion conduit.
  
• 
  2021/02/08Start of installation for propulsion conduit on National Route 7.
  As the main national routes are to be non-excavated, vertical shaft for propulsion conduit is dug for conduit for electric cable.
  
• 
  2020/12/01Start of continuity test on Kinkoji Noshiro Line.
  To check safe entering of electric cables into underground conduit.
• 
  2020/11/26Installation for underground conduit on Kinkoji Noshiro Line.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
• 
  2020/10/23Installation for underground conduit at port facility.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
• 
  2020/10/22Installation for manhole on agricultural field under maintenance.
  To Install steel frame under the ground to protect against landslide at the time of excavation.
• 
  2020/10/20Installation for underground conduit at port facility.
  To drill through-holes to let onshore electric cables pass through offshore.
• 
  2020/09/29Installation for underground conduit on Onozawa Line.
  To install underground conduit for electric cables, and place sheets which inform electric cabels are installed.
• 
  2020/08/10Installation at port facility.
  To install underground conduit in a form of gentle curve for proper electric cable laying at the place where the route curves.
  
• 
  2020/07/07Start of construction on Shidomori Asanai Line.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
• 
  2020/07/01Start of construction on Kinkoji Noshiro Line.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
• 
  2020/06/01Start of installation for manhole on Fujiyama Sainokami Line and Onozawa Line.
  To install manhole where electric cables are connected.
  
• 
  2020/05/25Start of installation for manhole at port facility.
  To install manhole where electric cables are connected.
  
• 
  2020/05/14Start of construction on non-statutory roads.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
  
• 
  2020/04/06Start of construction on Fujiyama Sainokami Line and Onozawa Line.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
  
• 
  2020/04/01Start of construction at port facility.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.
  
• 
  2020/03/16Start of construction on Kawatogawa 8 Line.
  To install underground conduit for electric cables, bury them with sand and crushed stone under the ground and pave the road with asphalt.