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transportation engineering earthquake ground motion prestressed concrete engineering water supply flood control flood lecture sheets mechanics of solids etp waste water & industrial waste water ecc 1997 the environment conservation rules environmental rules of bangladesh flat slab 2 way design of rcc two way slab techniques to control flood prevention of floods analysis and design waste water treatment sullage waste water characteristics sewage necessity of sewage management waste water color of waste water turbidity small community scheme of water supply book on rural water supply pump reservoir intake dhaka imarat-nirman-bidhimala-2008 bangladesh gazette for construction one way slab design slab design two way slab design ultimate strength method working stress method prestressed concrete note book prestressed concrete design & analysis flood maps flood map details flood book conduit flood note flood sluiceway &amp sluiceway rip-rap structural measures of flood gabions flood control _engineering solutions encapsulation embankment dyke levee engineering measures to flood flood protection structural measures structural flood control elevating a structure safety against flood flood control measures geotechnical engineering iii geotechnical engineering iv hydrology irrigation irrigation & flood control numerical analysis & computer programming project planning &amp construction management reinforced concrete structures i reinforced concrete structures river engineering solid waste management structure structural analysis & design iii surveying analysis & design ii design structural analysis & structural analysis & design i building design driven pile precast driven pile pile foundation foundation pile water quality waste_water supply technologies distribution system fault. seismograph seismology earth structure epicenter strong motion and estimation of seismic hazard engineering drawing engineering hydraulics engineering materials concrete ferrocement wood sand mix design of concrete plastering materials engineering mechanics mechanics environmental engineering i environmental engineering geology & geomorphology geology geomorphology environmental engineering ii bod & cod environmental science fluid mechanics geotechnical engineering i geotechnical engineering geotechnical engineering ii water distribution system