Ambient Air Quality Monitoring Services for Padma Multipurpose Bridge Project

The Padma Bridge is a multipurpose road-rail bridge across the Padma River to be constructed in Bangladesh. When completed it will be the largest bridge in Bangladesh and the first fixed river crossing for road traffic. It will connect Louhajong, Munshiganj to Shariatpur and Madaripur, linking the south-west of the country, to northern and eastern regions.

(1) Padma Bridge: 6.15 Km long bridge with railway provision

• Main Bridge: 5,400m long, 25m wide (2-lane dual carriageway with railway provision) PC extra-dosed girders and PC box girders supported by 3.0 m dia. steel tubular driven piles.

• Viaduct: 60m long, 2x10m wide (dual two-lane carriageways) PCT girders box girders supported by 1.2 m dia. steel tubular driven piles on the Mawa side, and 120m long, 2x10m wide (dual two-lane carriageways) PCT girders supported by 1.2 m dia. steel tubular driven piles on the Janjira side.

(2) Approach road: A 12,163m long road

(3) River works: 16,300m long river works

Conduct ambient air quality monitoring for 8 hours duration each at four (04) locations and carry out testing of defined parameters, such as Sulphur Dioxide (SO_x), Oxides of Nitrogen (NO_x), Carbon Monoxide (CO), O₃, CO₂, VOC, Particulate Matter (PM_2.5) and Particulate Matter (PM₁₀).