Alandur Sewerage Scheme

1
Alandur Sewerage Scheme
2
ALANDUR SEWERAGE SCHEME
Salient Features
Name of the Municipality Alandur Grade of the
Municipality Selection Grade Population (2001
Census) 1.46 lakhs Ultimate Stage to be
reached in 2030 3.00 lakhs Area of the
Municipality 19.5 Sq.km Total Wards 42
nos Per Capita Sewerage Contribution 80
lpcd Designed capacity of the system 24
MLD Estimated Cost of the project Rs.34
Crores Sewerage System BOQ Contract Sewerage
Treatment Plant BOT Contract with 14 year
lease period
Owner Alandur
Municipality Project management -M/s Consulting
Engineering Consultant Services
(INDIA) Pvt. Ltd Contractor -
M/s IVRCL (P) Ltd and First STP Pvt. Ltd
3
PUBLIC PARTICIPATIONBRIEF REPORT

• There is resistance from public for accepting
  any new system especially at the beginning.
  Public were convinced by holding
• meeting in every ward by the Municipal Chairman
  Thiru.R.S.Bharathi and his team officials. They
  went around with a mike,
• street by street from 6.30 am onwards for
  creating the environmental awareness with the
  civic associations Municipal Chairman
• had an experience of an earlier success in
  connection with providing of drinking water-
  Palar water main line for the unreserved
• area with public funds support in .
  During the year 1999 Municipal Chairman explained
  the public about the advantages of
• having a sewerage system -
• . The storm water drains would be clean so as
  to maintain the Healthy environment.
• . There would not be stagnation of dirty
  water in low lying areas with mosquito breeding
  and
• unaesthetic appearance leading to diseases
  like Malaria, filariasis etc.
• . Ground water pollution would be avoided.
• . The entire town will become free from
  pollution. The public will have a healthy
  atmosphere to live. The list of names of
• those who paid the deposit were displayed
  in strategic corners of the town motivated
  others to pay.
• The residents were convinced for remittance of
  Public Contribution.
• By Jun 2000 about 11,000 residents had deposited
  Rs.5000 each.

4

Funding Pattern
Details of the scheme
Cost of the project Rs. 34 Crores Grant from
TNUIFSL Rs. 3 Crores Loan from TUFIDCO Rs. 16
Crores Grant from TUFIDCO Rs. 1 Crore Public
Contribution- Estimated Rs. 8 Crores (At
present the total public contribution is Rs.
14.63 Crores ) Interest from Deposits Rs. 2.46
Crores Loan from TNUIFSL Rs. 4 Crores ( Loan
not availed ) Public Contribution Received so far
Rs. 14.63 Crores. The collection has been
deposited with Tamil Nadu with Tamil Nadu Power
Finance Corporation _at_ 14.21 interest per annum
and the Municipality received an interest of
Rs.2.46 Crores upto the year 2005-06.
Sewer line comprising Stoneware and RCC pipes
- 120km Branch sewers
- 101km Main sewers
- 19km Pumping Main (800mm) -
5.445km Pump House -
1 No Pump sets - 100lps X 17m X 2
Nos 200lps X 17m X
2 Nos 300lps X 17m
X 1 No Standby DG set for pump house STP -BOT
basis 2 UNITS each of 12mld. Activated
sludge extended aeration system. Treated
effluent is discharged in Buckingham canal.
STP Lease period 14 years.
5
From 01.01.2006, the deposit has been revised as
follows a).1 to 500 Sq.feet - 6000/- b) 501
to 1500 - 7500/- c) 1501 to 3000
- 10000/- d) above 3000 -
16000/- Number of connection given - 14,686
Under Ground Drainage- HSC Tariff Domestic
Category Square Monthly feet
Tariff (Rs) lt 500
- 60 500 1500 -
80 1500 3000 - 100 gt 3000
- 120
Under Ground Drainage HSC Tariff
Non Domestic Commercial and Industries Cagegory
Square Monthly feet
Tariff (Rs) lt 500 -
200 500 1500 - 400 1500 3000
- 600 gt5000 - 1000
6
Progress of the scheme
Start date March 1 2000 Intended completed date
of Scheme 1st March 2005
7
Progress of the scheme
Description
Scope
Achieved
Branch Sewers) 103 km 100km completed
(SW pipes size varies from
200mm to 375mm dia) Main sewers
17.2km 17.2km connected (RCC
pipes size to the pump house varies from
450mm to 1200mm and
and SW pipes)
8
Description
Planned
Achieved
Pumping Station 1 No with
Completed 5
No pumpsets Pumping Main
5.445km
Completed
9
Description
Planned
Achieved
Sewage treatment plant
Aerial view of Sewage treatment
plant 12MLD Completed
Plant Grit chamber
Aeration tank Secondary
clarifier Flow measuring channel
10
Railway track
Tambaram
Subway
Subway
Medavakkam main road
COMPLETED MAINS IN ALANDUR UGS SCHEME
WORK IN PROGRESS
11
Alandur pumping station near Nelamangai nagar
Outlet
Inlet
12
Problems faced during construction
1.Construction of MRTS - The alignment of
pumping main had to be changed
2.Construction of 2 subways - Alignment of
sewers had to be changed
3.Pumping main passing through adjacent
Puzhithivakkam Panchayat Objection from
residents caused inconvenience during the
construction
4.Effluent main passing through Thuraipakkam
Panchayat Objection from residents.
5.Obtaining permission from Highways Department
causing delay. 6.Narrow roads, loose soil and
high water table resulting in collapse of
trenches in certain areas
13

Funds Received so for
Expenditure upto 31.3.2007 Deposit Refund
Rs.27,39,36,309/-
14
STP flow rate
MLD Million litres per day. ML Million
Litres. STP 5 Penalities The Contractor has
to maintain and run the STP in an efficient
manner and hence the treated effluent should
satisfy the conditions laid down by the TNPCB,
which is the statutory in the matter. Not
withstanding the statutory powers exercisable by
the TNPCB that the owner reserves the rights to
levy a fine on the contractor, if the treatment
of effluent fails in the prescribed standards as
determined by the owner. The fine shall be
liable upto Rs.10,000/- (Rupees Ten Thousand
only) in INR per day.
15
ALANDUR SHOWS THE WAY AS ROLE
MODEL1. Till 2002 the Alandur Municipality,
residents are experiencing with untold hardship
such as overflowing Sewage water conveyed
through Storm Water Drain, septic tanks that
overflowed into streets and polluted wells etc.,
2. The Alandur Sewerage Project (ASP), in a
19.5sq.km Municipal area, is an innovative
attempt at sustain able delivery of urban
services in the country. 23,000 house holds in
the Municipal area have paid Rs.5000-6000
each, while a private construction company
contributed Rs.7 Crore of its own fund, to bring
the Rs.34-crore sewerage and treatment
project. 3. Inview of Alandur town proximity to
the Chennai city and also the upgraded
infrastructure facilities attracts many from
adjoing Chennai.
16
(No Transcript)
17
THANK YOU! THANK YOU! THANK YOU!