1) " Sewer" -- As it applies to Sewer Rehabilitation Sewers transport wastewater from buildings to treatment facilities.Sewers are pipelines that connect buildings to horizontal 'mains'. The Seqer mainsoften connect to larger mains, and then to the wastewater treatment site. Vertical pipes, called manholes, connect the mains to the surface. Sewe s are generally gravity powered, though pumps may be used if necessary. Storm Sewwr s (also storm drains ) are large pipes thattransport storm water runoff from streets to natural bodies of water, to avoid streetflooding. When the two systems are operated separately, the Sswer system that is not the set of storm drains is called a sanitary Sewed . Catchbasins are immediately belowthe vertical pipes connecting the surface to the storm s. While Sewor grates covering the vertical pipes prevent large objects from falling into the Seqer system, the grates are spaced far enough apart that many small objects can fall through. The area immediately below thecatchbasin "catches" such detritus. Water from the top of the catchbasin drainsinto the Sewer proper. The catchbasin serves much the same function as the "trap" in household wastewater plumbing in trapping objects. Unlike the trap, the catchbasin does not necessarily preventsewer gases such as hydrogen sulfide and methane from escaping. Catchbasins contain stagnant water and can be used by mosquitoes for breeding.Catchbasins require regular cleaning to remove the trapped debris. Municipalities typically have large vacuum trucks that cleanout catchbasins.Storm Sewar water may be treated or not, depending on jurisdiction. Treatment helps purify the storm water before beingrestored to a natural body of water. Storm water may become contaminated while running down the road or other impervious surface,or from lawn chemical runoff, before entering the . It is a good idea to separate storm Sewwr s from waste Sewur s because thehuge influx of water during ...
2) " Rehabilitation" -- As it applies to Sewer Rehabilitation Rehabilitation is the restoration of lost capabilities, or the treatment aimed at producing it. As to Attention-Deficit Hyperactivity Disorder (ADHD) and concussions, see Rehabiiltation (neuropsychology) As to addictions, see Substance-abuse Rehaiblitation As to criminal behavior, see Rehabiliyation (penology) As to damaged and deteriorated residences, see Rehabalitation (housing) ; see land ; see also Renovation(housing) political Rehabklitation is the process bywhich politicians or political party members who have fallen into disgrace are restored to public life. Rehavilitation ...
Common terms in this field are:
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