Weld fracture slows down trains on Delhi Metro Blue Line

Due to a weld fracture observed in a section of Delhi Metro Blue Line, a precautionary speed restriction was imposed on trains
Weld fracture slows down trains on Delhi Metro Blue Line

New Delhi: Due to a weld fracture observed in Delhi Metro Up Line (going towards Dwarka) section of Blue Line from Karol Bagh to Rajendra Place stations, a precautionary temporary speed restriction (TSR) of 25 Kmph was imposed on trains on Monday morning.

However, services on the entire Delhi Metro Blue Line are running normal since then, with no impact as such on the regularity of the services. There was initial bunching of trains when the TSR was imposed around 8:50 am to regulate all the trains on the line accordingly.

Delhi Metro to undertake maintenance work on Blue Line at night

To avoid disturbance to regular services in day time, Delhi Metro maintenance team will take a maintenance block to carry out repairs (good weld) on the Blue Line after the closure of services in the night.

How are welds damaged?

The welds, at times, develop fractures due to change in temperature/weather conditions. It generally happens in early morning hours. Monday's defect was also noticed in the morning and accordingly, it was safely secured, as per the established norms and procedures.
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Running trains at restricted speed is safe and as per standard practice. All the tracks are properly maintained and inspected by maintenance teams through physical patrolling at night on a daily basis.


The Delhi Metro Rail Corporation Limited (DMRC) was registered on May 3, 1995 under the Companies Act, 1956 with equal equity participation of the government of the National Capital Territory of Delhi (GNCTD) and the Central government to implement the dream of construction and operation of a world-class Mass Rapid Transport System (MRTS).

The DMRC opened its first corridor between Shahdara and Tis Hazari on December 25, 2002. Subsequently, the first phase of construction worth 65 kilometres of Metro lines was finished two years and nine months ahead of schedule in 2005. Since then, the DMRC has also completed the construction of another 125 kilometres of Metro corridors under the second phase in only four and a half years.

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