Preventive cleaning and maintenance of underground sewerage and storm water network, unfortunately does not get the required attention it deserves today in India, since it is not visible to the concerned authorities and the public at large on a day to day basis. This lack of attention causes :
Factors Influencing Pipe Line
The pipelines conveying fluids have different materials of construction viz., ceramic including brick barrel lines, ferrous, concrete and plastic. The service lives of these pipes which determines the hydraulic capacity Quality. Joint failures, Root Penetration. Material Quality, Operational Stresses, Maintenance History/ Practice. Asset Working Environment e.g. Ground Conditions.