Heavy Civil Infrastructure’s Mandovi Bridge project team held a ‘Topping Out’ ceremony on the occasion of erecting the final segment of the main bridge on June 12, 2018. Hon’ble Minister of Road Transport and Highways of India, Shri Nitin Gadkari pressed the remote button to lift the final segment of cable stay bridge. Hon’ble PWD Minister, Mr. Sudin Dhavalikar along with other Members of the Goa Legislative Assembly, GSIDC officials, Mr. P Niranjana - Vice President & Head Nuclear & Special Bridges, Mr. Arvind Nerurkar - Project Manager, Mr. P.G. Venkatram and Mr. Inki Choi were present on the occasion.
Mandovi Bridge is the 3rd longest cable-stayed bridge in India with 21m wide, 620m long continuous bridge deck supported on four, 70m tall, central concrete pylons spaced at 150m. It is supported by 88 cables on a single plane, harp type cable-stayed arrangement. Each of the four pylons stand on individual concrete pile foundations. The piles are 1.5m in diameter and in groups of 16 and 20 nos in the central and extreme pile caps respectively.
The bridge has a 21m wide 4-lane deck comprising of 190 individual precast segments. The segments were manufactured at L&T’s precast manufacturing unit located at Dhargal, 22km from the main site. These segments were assembled on site by balanced cantilever type erection methodology using the Bridge Builder erection machine. The segments are supported by both longitudinal post tensioning and stay cables. The shortest erection cycle time achieved was a record breaking 38 days for erection of all 48 segments and 22 cables for the Pylon P30. This is the only cable-stayed bridge that has been designed, engineered and constructed indigenously in line with the Make In India theme.