Shinjuku Line Tunnel Longevity Improvement Works
About This Opportunity
Works tender: 新宿線トンネル長寿命化工事. From 東京都 — 交通局資産運用部契約課 in Japan, construction & civil works. Sub-category: rehabilitation.
This is a works contract in the construction and civil works and infrastructure sectors, with a focus on Rehabilitation. Located in Japan, Asia, this opportunity is open to firms and consortiums.
Published through Tokyo Metropolitan Government (e-procurement), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for civil works in the construction and civil works sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. This is an advance notice — the formal tender is expected to be published shortly. Interested parties can use this time to prepare documentation and identify potential partners.
Description
Original language: Japanese新宿線トンネル長寿命化工事
業種: 床版補強
発注者: 東京都 交通局資産運用部契約課
履行場所: 新宿線西大島駅から本八幡駅間（江東区、江戸川区、市川市）
概要: 新宿線トンネル構造物における変状個所（漏水・浮き等）の補修工事 発注規模：B01 1億6000万円以上2億5000万円未満（予定であり変更されることがあります）
公表予定時期: 9月中旬
履行期間: 契約締結の日から令和９年１２月末日まで
契約方法: 希望制指名競争入札
年度: 令和8年度
詳細は東京都電子調達システム（入札情報サービス）の年間発注予定情報を参照してください。
Data provenance
This notice is sourced from Tokyo Metropolitan Government (e-procurement) and was originally published on May 4, 2026. Last refreshed 40 days ago. Original language: Japanese. BidsFactory mirrors official procurement notices and links back to the source for full legal text.
About 東京都 — 交通局資産運用部契約課
東京都 — 交通局資産運用部契約課 has issued 489 procurement notices on BidsFactory, including 489 currently open and 0 awarded contracts. Activity concentrates in Infrastructure, Construction & Civil Works, and Consulting. All notices are published for Japan. Notices are distributed via Tokyo Metropolitan Government (e-procurement). Most recent publication: June 2, 2026.
Frequently asked questions about this tender
Where will the contract be performed?
The contract is for delivery in Japan. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.
How can I submit a bid?
Visit Tokyo Metropolitan Government (e-procurement) to access the full notice, required documents, and submission instructions provided by the contracting authority.
Who is the contracting authority?
This notice was issued by 東京都 — 交通局資産運用部契約課 in Japan. The authority is responsible for evaluating bids, awarding the contract, and managing performance.
What type of contract is this?
This is a Works contract in the Construction & Civil Works sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
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