The cost of country’s largest infrastructure project, a 6.15 kilometre multipurpose bridge over the river Padma, could hit $US2.4 billion dollars, officials said Saturday.
Auckland-based Maunsell Aecom, which is designing the project, has said the increased cost was due to last minute addition of electric train tracks, improved safety requirements, railway approach bridge and tourism facilities.
The consultant firm has submitted its ‘scheme design’ of the proposed project to the Bangladesh Bridge Authority late last month, which contains hints on the likely cost of construction.
“Based on Maunsell’s estimate, the cost of the Padma multipurpose bridge could now reach $2.4 billion,” said a senior official familiar with the project.
“The consultants have given extra emphasis on safety and functional requirements, as the life-span of the bridge has been projected to be over 100 years,” the official said.
He said unlike the bridge over the Jamuna, the Padma bridge would be made of steel truss composite, which requires extra safety arrangements, requiring tens of millions of additional dollars.
The bridge will also have facilities for electric train tracks, the first time in the country, and extra-load bearing capacity keeping in mind that the country’s foreign trade would increase several fold in the future.
“In addition, the last minute introduction of railway approach bridge and tourism facilities such as watch towers and audio-visual centers added more cost,” he said.
The government has earlier estimated that the Padma bridge at the Mawa-Janjira point would cost about $1.8 billion. The figure was based on the preliminary feasibility study of the project.
Maunsell officials held a tripartite meeting with a panel of consultants and project officials on Saturday when they discussed the scheme design and the possible cost of the project.
The consultants and the project officials have earlier agreed to build the bridge with steel truss to ensure longevity and reduce the time of construction.
The Awami League government wants to finish the construction — one of its priority projects — by 2013, a year before its five-year tenure expires.
Officials said the contractors can build a steel bridge over the Padma in three and a half years, whereas a concrete structure may take at least six years.
Experts and officials said steel bridge lasts longer than a concrete bridge.
“Across the globe, steel truss composite is the best option for construction of road-cum-railway bridge. The Hardinge Bridge at Bheramara has been built with steel more than 100 years ago,” another official said.
He said building of rail-cum-road bridge with concrete sometimes pose serious safety concerns for the main structure, as vibration between the two tracks could result in cracks.
“We think the cracks at the Jamuna bridge were developed due to this reason,” the official said, preferring anonymity.
In the first design, the length of the Padma Multipurpose Bridge has been estimated at 6.15 km and width 21.10 metre.
It will be the longest bridge in the country, surpassing the 4.80 km long Jamuna Multipurpose bridge constructed in 1997.
It will have four-lane road on the top and a broad-gauge rail lane below, with 150 spans, four-kilometre approach road at Mawa and 12 km in the other side in Madaripur.
The World Bank has assured to lend $460 million for the project. The Asian Development Bank said it would provide $ 350 million, Japan International Cooperation Agency of $200 million and Islamic Development Bank of $ 300 million.
Source: Financial Express