পদ্মা সেতুর ইতিহাস/1971 to 2022 History of Padma Bridge/Bangladesh/Bpin Dada

The Padma Multipurpose Bridge is a two-level road-rail bridge across the Padma River which connects Shariatpur and Madaripur, linking the southwest of the country to the northern and eastern regions. The bridge was inaugurated on 25 June 2022.
Considered to be the most challenging construction project in the history of Bangladesh, the steel structure bridge carries a four-lane highway on the upper level and a single track railway on the lower level.
The bridge consists of 41 sections, each 150.12 m (492.5 ft) long and 22.5 m (74 ft) wide, with a total length of 6.15 km (3.82 mi). It is the longest bridge in Bangladesh, the longest bridge over the river Ganges by both span and total length, and features the highest pile depth of any bridge in the world at 120 m (390 ft).
The bridge is expected to boost the GDP of Bangladesh by as much as 1.2 percent.

Overview of project
The detailed design of the Padma Multipurpose Bridge is being delivered by a team of international and national consultants headed by AECOM. The team comprises AECOM, SMEC International, Northwest Hydraulic Consultants and ACE Consultants, with additional assistance from Aas-Jakobsen and HR Wallingford.

The project comprises two phases. Phase 1 includes the Design Phase leading through procurement action to the award of construction contracts. Phase 2 is the Construction Phase. Phase 1 commenced on 29 January 2009.
A dedicated project office was set up in Dhaka in March 2009. The detailed design of the main bridge was carried out in AECOM’s Hong Kong office. All work carried out by the design team was carried out within the framework of AECOM’s Quality Management System (QMS) which is independently accredited to AS/NZS ISO 9001. The QMS is designed to control all project work undertaken by the team.
A project-specific design management plan was established at the outset of the project. In March 2009, the Government of Bangladesh requested AECOM to accelerate the design to complete construction by the end of 2013. This necessitated the mobilization of additional personnel within the design team. Bangladesh Bridge Authority (BBA) established an internationally recognized panel of experts comprising five national and five international experts to review the design at regular intervals.
In addition, an independent checking engineer, Flint & Neill, was engaged to review the design criteria, specification and drawings produced by the design team to ensure the design meets the project requirements and to undertake an independent check of the detailed design of the main bridge and river training works.
A key feature of the detailed design was the integration of Bangladesh counterparts into the design team, which allowed the successful training of a significant number of Bangladesh personnel in all aspects of the project and the subsequent transfer of the high level of technology involved in this large, complex project.
Concept of the cross section construction of the bridge

Controversy and Rumors
From the beginning, the Padma Multipurpose Bridge negotiation was involved in controversy and conspiracy. The World Bank stated that they found “Credible evidence corroborated by a variety of sources which points to a high-level corruption conspiracy among Bangladeshi government officials, SNC-Lavalin executives, and private individuals in connection with the Padma Multipurpose Bridge Project." As a result of the alleged corruption, the World Bank initially refused to sanction the proposed loan for constructing the bridge and imposed conditions for the continuation of loan talks with the government. In accordance with one of these conditions Communications Minister Syed Abul Hossain had to resign, as he was alleged to have been involved in the corruption. SNC-Lavalin accepted a negotiated resolution agreement where the company and its affiliates were barred from taking part in bidding for World Bank contracts for 10 years.
Rumours spread on social media platforms like Facebook that human heads would be required in the construction of the Padma Bridge in July 2019. This led to the beating of many people in different parts of Bangladesh and the handing over of them to the police. Later on 9 July 2019, the bridge construction authority sent a notification to the media stating that the incident was rumoured and baseless. Researchers advised the bridge authorities to spread all the details of the construction of the bridge among the people.
----Source : Wikipedia


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