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PLUMBING YSTEM
This document discusses various components of a plumbing and sanitary system. It describes different types of sewers including sanitary sewers that carry sewage from buildings to treatment plants, storm sewers that collect storm water, and combined sewers that collect both sewage and storm water. It also discusses various fittings used in sanitary systems like traps, valves, and sinks. Traps discussed include P-traps, S-traps, and intercepting traps to prevent foul gases from entering buildings. The document provides examples of fixtures in sanitary systems like sinks, wash basins, bath tubs, urinals, and toilets for public and private use.
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PLUMBING YSTEM
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- 3. Sewer: • Are theunderground conduits or drains • Used for carrying the sewage • The most common types of sewer are: I. Sanitary Sewer : • Is a underground carriage system. • Used for transporting sewage from houses and commercial buildings • Sanitary sewers serving industrial areas also carry Industrial sewage. • Sanitary sewage is collected with the help of sanitary sewer line • The sanitary sewer is attached to a main sewer. • The main sewer runs directly to the sewage treatment plant. II. Storm Sewer: • A storm sewer collects storm water with the help of gutter & catch basin • Gutter allow the storm water to drain from the street directly into the storm sewer.
- 4. Sewer: III. Combined Sewer: •Type of sewer system • Collects sanitary sewage & storm water run off in a single pipe system. • Can cause serious water pollution problems due to combined sewer overflows • Caused by large variations in flow between dry and wet weather. • This type of sewer design is no longer used in building new communities.
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- 8. Q Trap STrapP Trap
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- 15. INTERCEPTING TRAPS This trap is providedat the last main hole of building sewerage to prevent entry of foul gases from public sewer to building sewer. It has a deep-water seal of 100 mm.
- 18. This trap isprovided in the floor to collect waste water from washbasin, shower, sink and bathroom etc. These are available in cast iron or UPVC material and have removable grating (JALI) on the top of the trap. The minimum depth of water seal should be 50 mm.
- 19. GULLY TRAP These trapsare constructed outside the building to carry waste water discharge from washbasin, sinks, bathroom etc. and are connected to the nearest building drain/sewer so that foul gases from sewer do not come to the house. These are deep seal traps, the depth of water seal should be 50 mm minimum. It also prevents the entry of cockroach and other insects from sewer line to waste pipes carrying waste water.
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- 30. A COVERED OPENINGIN STREET WHICH PROVIDES ACCESS FOR CLEANING REPAIRING OF SEWER BENEATH OR FOR REPAIRING BACK WATER