Pump stations clean all storm drain pump stations prior to the wet season to remove silt and trash.
Storm water drainage system ppt.
Storm water system maintenance system mapping system inspection catch basin and manhole cleaning pipe cleaning outlet repair.
Storm drain conveyance system locate reaches of storm drain with deposit problems and develop a flushing schedule that keeps the pipe clear of excessive buildup.
Ppt on india s drainage system river system 1.
Larger than rain gardens and designed with an underdrain to connect to the storm drain system.
The minor system and the major system.
Manage and treat small volumes of storm water by filtering runoff through soil and vegetation 3.
Storm water inlets these are the openings through which the surface runoff and storm water is admitted and conveyed to the storm water sewer or combined sewer.
Determine bmp drainage areas and treatment volume tv drainage area descriptions.
Stormwater drainage systems consist of two components.
What is drainage basin.
Drainage describes the river system in an area.
Drainage area a consists entirely of a parking lot impervious cover that will be managed using permeable pavement in seven distinct drainage sub areas itemized in table 6 1 3 and shown in figure 6 1 2 labeled as sub areas 1 through 7.
Maximum spacing depends on road surface it varies between 30 to 60 m.
The inlet is a box of concrete or brick masonry with the clear opening not more than 25mm.
Dover at a glance streets and drains.
Roof drain is a receptacle designed to collect surface or rain water from an open area and discharge to a catch basin floor drain is any pipe which carries water or waterborne wastes in a building drainage system 17.
A stormwater drainage system can be as simple as a ditch that outlets to a stream or as complex as a system comprising numerous intakes manholes and pipes along with ditches stormwater retention or detention basins and pump stations.
Sizing rain water piping local regulations on the disposal of rain or storm water are apt to vary.
Collect flushed effluent and pump to the sanitary sewer for treatment.
The area drained by a single river system 2.
The himalayan rivers perform erosional activity in the upper courses.
Urban stormwater drainage system urban development fragments watersheds and disturbs natural drainage necessitates development of new drainage system to collect storm water from each of the fragments and convey out gutters inlets and catch basins from each of the fragments storm sewer map and storm sewers may also include culverts mostly.