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MRTA: Water Leak in Purple Line Subway Tunnel at Wongwian Yai Intersection, No Structural Impact

MRTA: Water Leak in Purple Line Subway Tunnel at Wongwian Yai Intersection, No Structural Impact

MGR Online•Economy•12d ago

Reader Briefing

Thailand's Mass Rapid Transit Authority (MRTA) has addressed a water leakage incident within the Purple Line subway tunnel near Wongwian Yai intersection, assuring the public that the issue, stemming from a sump pit joint, poses no threat to the tunnel's structural integrity.

  • •A water leakage occurred in the Purple Line subway tunnel near the Wongwian Yai intersection, specifically at the joint of a sump pit.
  • •The MRTA has confirmed the leakage does not affect the tunnel's structure or nearby buildings.
  • •Contractors are actively working to stop the leakage and have brought it under control.
  • •Prime Minister Anutin Charnvirakul visited the site and instructed MRTA to enhance safety monitoring of adjacent buildings.

Overview

  • •On July 8, 2026, a water leakage occurred within the Purple Line subway tunnel near the Wongwian Yai intersection.
  • •The water leakage is believed to be from the joint of an underground sump pit, approximately 30 meters below street level.
  • •The leakage has been brought under control by the contractor responsible for construction contract No. 4.
  • •The contractor is undertaking ground improvement to stop the water seepage and closely monitoring the leakage.
  • •The MRTA asserts that the leakage has no impact on the structural strength of the tunnel or the settlement of nearby roads and buildings.
  • •Prime Minister Anutin Charnvirakul and other ministers visited the site on the night of July 8, 2026, to follow up on the situation.
  • •Prime Minister Anutin Charnvirakul ordered MRTA to increase continuous safety monitoring of nearby buildings to build public confidence and prioritize safety.
  • •MRTA has instructed its consultants and contractor to continuously monitor the structural integrity and safety of nearby buildings.

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Key Quotes

Anutin Charnvirakul
"Ordered MRTA to increase continuous monitoring of the safety of nearby buildings to build confidence and prioritize public safety."
สั่งการให้ รฟม. เพิ่มการเฝ้าระวังความปลอดภัยของอาคารข้างเคียงอย่างต่อเนื่อง เพื่อสร้างความเชื่อมั่นและคำนึงถึงความปลอดภัยของประชาชนเป็นสำคัญ

Key Entities

Organization

MRTA(รฟม.)ℹ️
The Mass Rapid Transit Authority of Thailand, the entity responsible for public transportation projects in Thailand, which investigated and addressed a water leakage incident.
Unique Engineering and Construction Public Company Limited (UNIQ)(บริษัท ยูนิค เอ็นจิเนียริ่ง แอนด์ คอนสตรัคชั่น จำกัด (มหาชน))ℹ️
The contractor responsible for construction contract No. 4 of the Purple Line project, currently working to resolve a water leakage issue.
Department of Disaster Prevention and Mitigation (DDPM)(กรมป้องกันและบรรเทาสาธารณภัย)
A Thai government agency providing support for emergency response related to the water leakage incident at the subway project.

Place

Wongwian Yai Intersection(แยกวงเวียนใหญ่)ℹ️
A key intersection in Bangkok where a water leakage incident occurred in the Purple Line subway tunnel.

Law

Contract No. 4(สัญญาที่ 4)
The construction contract under which the Purple Line project segment experiencing the water leakage is being managed.

Person

Anutin Charnvirakul(นายอนุทิน ชาญวีรกูล)ℹ️
The Prime Minister and Minister of Interior of Thailand who visited the site of the water leakage and issued directives for enhanced safety monitoring.
Phiphat Ratchakitprakarn(นายพิพัฒน์ รัชกิจประการ)
The Deputy Prime Minister and Minister of Transport of Thailand who accompanied the Prime Minister to inspect the subway water leakage incident.
Siripong Angkasakulkiat(นายสิริพงศ์ อังคสกุลเกียรติ)
A Deputy Minister of Transport of Thailand who attended the inspection of the water leakage at the Purple Line subway project.
Phattaraphong Phattharasit(นายภัทรพงศ์ ภัทรประสิทธิ์)
A Deputy Minister of Transport of Thailand who was present during the site visit to the Purple Line subway project's water leakage.
Sanpetch Boonyamanee(นายสรรเพชญ บุญญามณี)
A Deputy Minister of Transport of Thailand who participated in the site visit to address the subway water leakage issue.
Worashit Liangprasit(นายวรศิษฎ์ เลียงประสิทธิ์)
A Deputy Minister of Interior of Thailand who was part of the delegation inspecting the water leakage at the subway construction site.