7 months ago
2
The Chennai Metro Rail’s signifier II operation enactment implicit the Kathipara clover flyover is moving quickly, and volition beryllium completed successful 4 months.
This conception of Metro Rail’s Corridor 5 – Madhavaram to Sholinganallur via Alandur – has the tallest pillar and sharpest curve successful the full signifier II network, said officials of the Chennai Metro Rail Limited (CMRL).
The CMRL is gathering six pillars astatine the Kathipara flyover junction.
In a fewer years, commuters utilizing this corridor volition person entree to 2 stations astir this junction — Butt Road and Alandur (both signifier I and signifier II networks integrate successful this location).
108-ft gangly pillar
“The operation of the 2nd tallest pillar has been completed. While the tallest pillar, coming up astatine 108 feet, volition beryllium acceptable successful November, the remaining 4 volition beryllium completed by the extremity of February,” an authoritative said.
The CMRL began operation astatine the junction aft receiving the Commissioner of Rail Safety’s approval, arsenic it is being built supra the operational signifier I network.
Novel problem
During the operation of these pillars past month, the officials encountered a caller problem. “Since a high-voltage enactment and the overhead electrical instrumentality of the signifier I web were adjacent to the upcoming pillars, electrical induction problems began to arise. This occurs erstwhile metallic structures, specified arsenic operation machinery, are successful adjacent proximity to a high-voltage line,” an authoritative said.
“We planned the operation successful specified a mode arsenic to forestall electrical induction issues. But erstwhile we started enactment connected the spans adjacent to the Corridor 1 line, the parameters crossed the permissible limits, and arsenic soon arsenic we saw the signs of electrical induction, we stopped the work,” helium said.
‘Form Traveller’
Officials said they instantly approached the retired main electrical inspector of the State authorities to oversee the work. Based connected his recommendation, the operation instrumentality ‘Form Traveller’ — deployed for gathering the balanced cantilever conception — was insulated.
“Form Traveller is simply a movable framework that immunodeficiency successful constructing ample spans. The overhead instrumentality is switched disconnected each time erstwhile the Metro services of the signifier I web halt operating, and the operation of the pillars begins. We lone person 4 hours astatine nighttime to physique them, and hence, it is turning retired to beryllium a time-consuming process. The corridor 5 enactment implicit Kathipara Flyover volition beryllium completed by the extremity of February,” an authoritative said.
