Padma Multipurpose Bridge Project

ProjectActivitiesEnvironmentalImpactsowner in time.Mitigation/Compensation MeasuresBudget,USDInstitutionalResponsibilitiesImplementationSupervisionLeaching from thefilled sediments maydamage nearbyagricultural landsReducing flood plainstorage area andincrease localflooding.Provision of sub-surface drainage: Leaching from the sediments shouldbe contained to seep into the subsoil or should be diverted to settlinglagoons before final disposal to nearby drains.Provide adequate drainage structure at appropriate locations to avoidlocal flooding.Included incivil workscontractIncluded incivil workscontractContractor CSC, PIUof BBAContractor CSC, PIUof BBADevelopmentof Constructionyards andconstructionactivitiesWater SupplyDamage of localroadsDust, air and noisepollutionImpacts on trafficsafetyLack of safe watersupply impactsworkers health Repair all damaged local roads to their original state after the land filling Included inis completed.civil works Dust suppression measures with spraying of water should be taken forall roads used for transport.contract Implement ECPs 10 and 11 on air quality and noise management Implement ECP 15 on traffic managementIncluded in Ensure that all construction vehicles observe speed limits on the civil worksconstruction sites and on public roadscontract Provide adequate signage, barriers, and flag persons for traffic control. Fit audible warning devices in vehicles to alert during reversing. Establish safe water supply system for the construction workers. Included inCivil WorkscontractContractor CSC, PIUof BBAContractor CSC, PIUof BBAContractor CSC, PIUof BBAArsenic, manganese,andironcontamination ofgroundwaterDrains Drains if notconstructed as perdesign will overflowduring monsoonPlantation ImprovedenvironmentalDepth of tube well should be minimum 300m. All wells should be testedfor arsenic, iron and manganese before installing of casing. If the qualityis found not suitable further deepening is requiredStrict adherence to design standards and dimensions.Reduce infiltration of contaminated drainage through storm watermanagement design Plantation should be done around the construction yards Selection of tree species and space between the trees should be6,750 (Ref:MonitoringBudget)Included incivil workscontractIncluded intheContractor CSC, PIUof BBAContractorContractorCSC, PIUCSC, PIU8-11