Padma Multipurpose Bridge Project

Annex 8-1Project Activity/Impact SourceConstructionactivitiesEnvironmental ImpactsDust generation from constructionsites, material stockpiles andaccess roads is a nuisance in theenvironment and can be a healthhazard.Mitigation Measures/ Management Guidelines Provide filtering systems, duct collectors or humidification or other techniques (asapplicable) to the concrete batching and mixing plant to control the particle emissions in allits stages, including unloading, collection, aggregate handling, cement dumping,circulation of trucks and machinery inside the installations Water the material stockpiles, access roads and bare soils on an as required basis tominimize the potential for environmental nuisance due to dust. Increase the wateringfrequency during periods of high risk (e.g. high winds). Stored materials such as graveland sand shall be covered and confined to avoid their being wind-drifted Minimize the extent and period of exposure of the bare surfaces Reschedule earthwork activities or vegetation clearing activities, where practical, ifnecessary to avoid during periods of high wind and if visible dust is blowing off-site Restore disturbed areas as soon as practicable by vegetation/grass-turfing Store the cement in silos and minimize the emissions from silos by equipping them withfilters. Establish adequate locations for storage, mixing and loading of construction materials, in away that dust dispersion is prevented because of such operations Crushing of rocky and aggregate materials shall be wet-crushed, or performed with particleemission control systemsECP 11: Noise and Vibration ManagementProject Activity/Impact SourceConstructionvehicular trafficEnvironmental ImpactsNoise quality will be deteriorateddue to vehicular trafficMitigation Measures/ Management GuidelinesThe Contractor shall Maintain all vehicles in order to keep it in good working order in accordance withmanufactures maintenance procedures Make sure all drivers will comply with the traffic codes concerning maximum speed limit,driving hours, etc. Organize the loading and unloading of trucks, and handling operations for the purpose ofminimizing construction noise on the work sitePadma Multipurpose Bridge Design ProjectFinal Report (Environmental Action Plan)Environmental Impact Assessment Report A8-13June 7, 2010