Prachathipok Road Closed Due to MRT Tunnel Leak; Detours Implemented

Matichon•General•9d ago

Reader Briefing

Commuter train tunnel water leakage causes road closure and sinkhole, authorities implement repair and traffic diversions.

•Water leakage occurred in a sump pit beneath a Purple Line MRT construction tunnel near Wongwian Yai intersection.
•Prachathipok Road has been closed in all lanes due to a minor road subsidence following the leak.
•Authorities are undertaking repairs, including grouting and constructing a waterproof wall, with detours in place.
•No significant structural damage or new cracks have been detected around the site, but nearby building safety is under ongoing review.

Overview

•Over the past night, Prime Minister Anutin Charnvirakul and his delegation inspected the water leakage site under the Purple Line MRT construction tunnel.
•Prime Minister Anutin Charnvirakul assessed that the water level in the tunnel is manageable and urged responsible agencies to expedite repairs.
•At 10:00 AM on July 9, reporters observed MRTA officials and engineers closely monitoring the situation at the leakage site.
•Preliminary assessment by MRTA Chairman Montree Dechasakulsmith suggested the leakage was due to a defect in the sump pit of the construction project.
•MRTA is intensifying dewatering efforts by drilling deep wells (approximately 50 meters) to reduce water inflow and is proceeding with grouting to seal the leak.
•Construction of an underground waterproof wall (Curtain Wall) is underway and expected to be completed within approximately one week.
•MRTA Chairman Montree Dechasakulsmith confirmed that no additional structural subsidence or tilt has been detected, and nearby overpasses remain normal.
•The underground dewatering system is scheduled to commence operation today, with pumping expected to begin tomorrow.

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Source: Matichon (Original)

Key Quotes

Montree Dechasakulsmith

"Recently, this morning it decreased to about 50 cubic meters per hour, reflecting that the situation is improving."

ล่าสุดช่วงเช้าลดลงเหลือประมาณ 50 ลูกบาศก์เมตรต่อชั่วโมง สะท้อนว่าสถานการณ์มีแนวโน้มดีขึ้น

Montree Dechasakulsmith

"Confirmed that the latest inspection found no further subsidence or structural tilt, including no new cracks."

ยืนยันว่า จากการตรวจสอบล่าสุดยังไม่พบการทรุดตัวหรือการเอียงของโครงสร้างเพิ่มเติม รวมถึงไม่พบรอยร้าวใหม่

Montree Dechasakulsmith

"Preliminary checks found that some cracks are old cracks that occurred previously."

จากการตรวจสอบเบื้องต้นพบว่ารอยร้าวบางส่วนเป็นรอยเดิมที่เกิดขึ้นก่อนหน้านี้

Phuwadol Unpothi

"The inspection found only minor road surface subsidence."

จากการตรวจสอบพบว่าพื้นผิวถนนมีการทรุดตัวเพียงเล็กน้อย

Key Entities

Place

Prachathipok Road(ประชาธิปก)

Road affected by sinkhole and closure due to MRT tunnel leak.

MRT Tunnel(อุโมงค์ MRT)

Construction site of the Purple Line MRT causing leakage and subsequent road closure.

Purple Line MRT South(รถไฟฟ้าสายสีม่วงใต้)

The specific MRT line under construction where the tunnel leakage occurred.

Wongwian Yai(วงเวียนใหญ่)

Intersection near the MRT tunnel construction site where the leakage incident took place.

Samsen(สามเสน)

Location of a previous, unrelated incident mentioned for comparison.

Tao Poon – Rat Burana (Kanchanaphisek Ring Road)(เตาปูน – ราษฎร์บูรณะ (วงแหวนกาญจนาภิเษก))

The broader section of the Purple Line MRT project encompassing the incident area.

Saphan Phut – Dao Khanong(สะพานพุทธ – ดาวคะนอง)

Specific contract section (Contract 4) of the Purple Line MRT project where the incident occurred.

Ban Khaek Intersection(แยกบ้านแขก)

Key intersection where traffic has been diverted due to the road closure.

Person

Anutin Charnvirakul(อนุทิน ชาญวีรกูล)ℹ️

Prime Minister who inspected the MRT tunnel leakage site.

Montree Dechasakulsmith(มนตรี เดชาสกุลสม)

Chairman of the Mass Rapid Transit Authority of Thailand (MRTA), who provided statements on the leakage.

Pol. Col. Phuwad Unpothi(พ.ต.อ.ภูวดล อุ่นโพธิ)

Superintendent of Buppharam Police Station, who reported on road subsidence and traffic management.

Organization

MRTA(รฟม.)ℹ️

Mass Rapid Transit Authority of Thailand, responsible for the MRT project and addressing the leakage.

Buppharam Police Station(สน.บุปผาราม)

Police station overseeing the area affected by the MRT tunnel incident and road closure.