Power supply network spreading across Japan
Our external line business is centered on overhead power lines that transmit electricity and train line facilities that connect cities and people. We connect electricity, deliver electricity, and light up people’s lives. We do this safely, making full use of the experience and technology we have accumulated over the past 90 years.
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Transmission business
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Transport business
Transmission business
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1.Main equipment list
Name Specification Quantity Jib crane 36t-m class 7 groups Climbing crane 36t-m class 5 groups 10t -m class 1 group Extension line car φ 1.5m, electric winder 12 units φ 1.2m, electric winder 13 units φ 1.0m, electric winder 12 units Overhead line winch Hydraulic 5t winder (crawler type) 2 units Hydraulic 3t winder (crawler type) 6 units Hydraulic drum stand Hydraulic winding type 15 units Disassembling type 5 units OPGW drum stand Hydraulic type 5 units Reel winder Engine-powered 26 units Electric-powered 14 units Tensing wire winch Hydraulic 3.0t winder (crawler type) 6 units Hydraulic 2.5t winder (crawler type) 43 units Hydraulic 2.0t winder (crawler type) 32 units Hydraulic compressor 100t・200t 37 units Metal wheel φ 800, urethane 21 parts φ 600, urethane 420 parts φ 600×3-wheel, urethane 50 parts φ 450, urethane 70 parts φ 300, urethane 78 parts φ 800, OPGW narrow groove 18 parts φ 300, steel plate 44 parts Suspension metal wheel, 6-sided 100 parts Suspension metal wheel, up-down, 2-wheel 1750 parts Windmill carrier 3 types 270 parts Metal wheel Crawler-type, OPGW 120 4 units Crawler-type, OPGW 300 20 units Crawler-type, OPGW 290 13 units For tensing wire, φ 90 × 1 wheel 547 parts For tensing wire, φ 90 × 2-wheel 314 parts For tensing wire, φ 120 × 1 wheel 170 parts For tensing wire, φ 120 × 2-wheel 110 parts Protector For 1160sq 16 parts For 810sq 232 parts For 410sq 14 parts Steel tower For scaffolding, H=50m 2 groups Steel pole For scaffolding, L75 275 sections Key lock rope Various types 1 set We also rent equipment.
Outdoor wiring work construction results
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Transmission business
- Boso line Completed in 2015
- Nishijobu trunk line Completed in 2014
- 2nd Hamaoka trunk line Completed in 2004
- Joetsu thermal power line Completed in 2010
- Higashi-Nagoya branch line Completed in 2010
- Towada-Kitakami power trunk line Completed in 2010
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Transport business
- Tsukuba Express Completed in 2005
- Metropolitan Expressway Completed in 2010
- Tokaido Shinkansen
