Gurugram: NHAI officials visit Hero Honda Chowk flyover, say 'damage localised'

GURUGRAM: A group of NHAI engineers, who visited the newly constructed Hero Honda Chowk flyover on Sunday to determine why a concrete bite had come off it on April 23, submitted their preliminary document. It obviously states the mishap occurred as the “pocket of concrete” had come unfastened.
The IIT Bombay group, roped in mission contractor through Valecha Engineering Limited — who have been requested to habits extensive trying out of the vulnerable space from these days — is but to talk over with the web site.

They are meant to document their document in 10 days.

NHAI, who said instant action was taken after the incident was reported, will decide on additional course of action simplest after the IIT Bombay group submits its document.

“After vital trying out being performed in consultation with IIT Bombay, remedial measures can be taken as in step with their tips and traffic will probably be allowed simplest after that,” said NHAI Gurugram mission director Ashok Sharma.

The damage — a pothole measuring about 50cm x 50cm and 15cm deep, was seen within the heart lane of the Jaipur to Delhi carriageway of the flyover on April 23. NHAI Gurugram mission director Ashok Sharma said, “Valecha took instant action and repaired the pothole on the deck slab. The contentious space has been saved under statement and traffic restricted over the damaged space as measure of plentiful precaution.” After the repairs, an earth mover was positioned in the middle of the Delhi-bound flank to permit the patchwork to settle in.

The group that visited the web site on Sunday comprised senior engineers. “According to them, prima facie it sort of feels to be a localised problem, but steps are being taken to analyse its root cause,” added Sharma.

D D Sarode of Institute of Chemical Technology, Mumbai, who has additionally executed his PhD in concrete from IIT Bombay, said, “The IIT Bombay group will will need to glance into its design, building detailing and quality keep watch over all through building. Detailed trying out (structural audit) of the entire flyover, through “non-destructive” trying out, has now transform vital, to identify vulnerable or cracked portions,” said Sarode.

“Core samples will have to be taken from various puts to cross-check strength of the concrete and when put next with the design mix beneficial for that section. If any vulnerable or distressed space is recognized, it will have to be strengthened using glass or carbon fibre polymer composites. Till that is executed, heavy traffic restrictions will have to be imposed on that patch,” he added.

Further, a understand has additionally been issued to contractor for lapse in execution of the paintings. An appropriate action can be taken as in step with contract in accordance with ultimate document, which is expected to come back out in 10 days.