Underground Sewage Disposal System & STP Alandur Municipality
Preventing Environment Pollution – Enhancing Quality of Life
Alandur, is situated adjacent to Chennai, at a distance of 14 km on the southern side, and forms a part of the Chennai Metropolitan Development Area (CMDA). With hardly any industrial base, the town has developed as a residential suburb of Chennai. Alandur municipality had no underground sewerage system. Households had either septic tanks or holding tanks, and the municipality was responsible for collecting the sewage periodically in tankers and disposing it off in low-lying areas. To address these problems, an underground sewerage system was designed for its current population, as well as for an estimated population of 3,00,000 in 2027, with the objectives of improving the standard of living of the residents and providing for disposal of sewage through an exclusive drainage network; avoiding recurring expenditure on septic tank cleaning; and preventing groundwater contamination.
It was decided that Tamil Nadu Urban Infrastructure Finance Services Ltd. (TNUIFSL), the State asset management company, be approached to finance the sewerage scheme. Considering the lack of resources at the municipal level to undertake such an infrastructure project, it was decided by TNUIFSL that the sewerage treatment plant (STP) would be built on a BOT (Build, Operate and Transfer) basis. The project was awarded to IVRCL and VATec for a period of 14 years. IVRCL has successfully covered a total area of 19.5 Sq. km benefiting 25,25, 162 houses in this area. Giving the people the gift of a cleaner environment, IVRCL is proud of this eco-friendly achievement.
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