Storm Water Drainage System Ppt

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.

Storm water drainage system ppt.

Determine bmp drainage areas and treatment volume tv drainage area descriptions. The area drained by a single river system 2. Larger than rain gardens and designed with an underdrain to connect to the storm drain system. Roadway drainage system maintenance road ditch and drainage swale maintenance culvert replacement slope repair flooding.

Maximum spacing depends on road surface it varies between 30 to 60 m. Stormwater drainage systems consist of two components. 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. Manage and treat small volumes of storm water by filtering runoff through soil and vegetation 3.

Dover at a glance streets and drains. Ppt on india s drainage system river system 1. Holds the water for a short period of time and allows it to naturally infiltrate into the ground 11. The himalayan rivers perform erosional activity in the upper courses.

Drainage describes the river system in an area. 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. Storm water system maintenance system mapping system inspection catch basin and manhole cleaning pipe cleaning outlet repair. Pump stations clean all storm drain pump stations prior to the wet season to remove silt and trash.

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. What is drainage. The inlet is a box of concrete or brick masonry with the clear opening not more than 25mm. 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.

What is drainage basin. 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.