- Energy
Renovation work for Kumaoi Power Station
| Orderer | Electric Power Development Co., Ltd. |
|---|---|
| Completion | 2022 |
| Structure and scale |
Construction work to develop a site for a power station and associated works: Excavation: 13,000m3; backfill: 22,000m3; concrete: 10,000m3; and other work Headrace channel/tank construction work: Cross-section repair: 80m3; mortar filling: 780m3; crack repairs: 1,660m Water pressure pipe line construction work: Concrete: 140m3; series of renewal works for water pressure iron pipe, and so on Construction work for power station foundations: Concrete: 2,850m3; concrete spraying: 700m2, draft gate Drainage channel construction work: Concrete: 96m3; slope frame formation by spraying: 260m, anchor work: 120pcs. and other work Open-air switchyard construction work: Backfill: 60m3; ground improvement: 220m3; concrete: 150m3 |
| Location | Hokkaido Prefecture |
| Application | Semi-underground indoor power station |
This work raised the existing Kumaoi Power Station site and renovated and reinforced the facilities in association with a project to raise the level of the existing Katsurazawa Dam.
We were in charge of setting up an inverted T-shaped retaining wall around the facility, lifting the power station foundations by 11.9m, updating the building, repairing and reinforcing headrace channels and water pressure steel pipe lines, and other related work.