GharExpert Soil Waste Drainage (Sewage)http://www.gharexpert.com/category/1352/Soil-Waste-Drainage-Sewage--0.aspx?CatID=1352Soil Waste Drainage (Sewage) information at GharExpert.com. The soil appliances (Water Closet, Urinal, etc.) collect and release excretory matter......Septic Tank, It’s Principle and Guidelineshttp://www.gharexpert.com/articles/Soil-Waste-Drainage-Sewage--1817/Septic-Tank,-It’s-Principle-Guidelines_0.aspx?PL=2&ArticleID=1817&CatID=1352Septic tanks or soak pits are useful for disposal of waste in the areas or houses where public sewerage system is not applicable.Various Waste Water Pipes (Sewer Construction)http://www.gharexpert.com/articles/Soil-Waste-Drainage-Sewage--1791/Various-Waste-Water-Pipes-Sewer-Construction-_0.aspx?PL=2&ArticleID=1791&CatID=1352By providing a well managed system for waste water drainage we can enjoy a happy, healthy and pure life. Below is description about types of waste water pipes available in market.