Sewerage

 

EXISTING SEWERAGE SYSTEM

An under ground sewerage scheme for Tuticorin Corporation was sanctioned by the Government of Tamil Nadu 1984 and the Sewerage collection system with pump stations, installed for a part of the town in 1984. A sewage treatment plant with oxidation ponds to handle the sewage generated in Tuticorin was constructed at Tharuvaikulam Village, situated 7.5 Km. from the town on Mandapam Road, in an area of nearly 500 acres. The following data available with the Tuticorin Corporation on the existing sewerage system was collected for the purpose of review.

Drawings of the existing sewerage collection system.

Drawings of sewage pump stations and Sewage Treatment Plant

The available date given by the Corporation was studies in detail and observed the following.

  • The existing sewerage collection system is executed fully in zone IV and partially in zone
  • The drawings given by the Corporation indicates only the sewer diametres and length but not the invert levels, which are required to assess the capacity of the sewerage system.
  • Only stoneware pipes and CI pipes are used in the existing sewerage collection system.
  • 3 Nos. of sub pumping station and one main pumping station is provided for the existing sewerage system.

 

TABLE 2.0 : EXISTING SEWERAGE COLLECTION SYSTEM

Material Length(Km.) Dia (mm) % Length
SW 31.80 150-450 98
CI 0.36 500-750 2

In New  Administrative sanction accorded as per G.O no 419 dated 18.10.20005 MAWS Dept work entrusted to TWAD Board tender called for 3 Packages.

Details Deposit in Rs Tariff in Rs per month
H.S.C 3000 60
Commercial 7500 150
Industrial 1000 200

Fund details

TNUDP III GRANT (22%) 464.00Lakhs
TNUDP III LOAN(45%) 2601.61LAKHS
CORPORATION CONTRIBUTION 33% 1574.39LAKHS