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BANGALORE DEVELOPMENT AUTHORITY




   PRESENTATION ON LAKE
RESTORATION PROJECTS BEING
     TAKEN UP BY B.D.A.


                                   1
Bangalore Development Authority
Aims & Objectives:
 1.   Regulation and Planning of Bangalore Metropolitan Area.
 2.   BDA has a jurisdictional area of 1046 sq kms.
 3.   Formation of Residential Layouts and Allotment of Sites at
      subsidized rates to the needy people.
 4.   Taking up the required Infrastructure Facilities in Bangalore city
      such as Construction of Flyovers, Road Infrastructure, Construction
      of Complexes etc..
 5.   Construction of Affordable Housing Projects and Allotment of
      Houses to the needy people.
 6.   Environmental Conservation Initiatives Such as Lake Restoration
      projects, Enhancing Green Cover, Development of Parks etc.
Present Scenario of Lakes in Bangalore
• Bangalore City alone has got a total no of around 280
    to 300 lakes.
•   Lakes has lost its identity due to Rapid urbanization.
•   Majority of the lakes are filled with sewage.
•   Majority of the lakes have undergone encroachment of
    the lake areas, cropping up of unauthorized structures
    in the lake areas, dumping of garbage etc.
•   Absence of proper monitoring and maintenance
    system for lakes.
•   Absence of a proper funding mechanism for lakes.
IMPORTANCE OF LAKE RESTORATION PROJECTS
 Based on Government directions, as an environmental
  protection initiative BDA has taken up the conservation and
  preservation of Natural water Bodies to their original glory in
  and around Bangalore .City.
 For Prevention of Pollution
 To prevent encroachment
To develop the lake as a fresh water storage pond
 For Flood Mitigation
 To Preserve the Lake to its original Glory
To develop the lake as a recreational centre.
 To preserve and recharge the depleting underground water
  table.                                                            4
Methodology followed by BDA
 for Project Preparation
 Projects Prepared as Per National Lake Conservation programme
  (NLCP), MoEF, New Delhi Guidelines and with a Master plan
  concept.

 Sewage Diversion & Treatment Proposals prepared as per
  CPHEEO, MoUD, New Delhi Guidelines.

 Remodelling of Inlet/Outlet Channels inline with BBMP SWD
  Master Plan proposals.

 Lake boundary identification and Encroachment removal.

 Works Categorized into Core & Non Core Components.

 Works proposed to be taken up in two stages.


                                                                  5
Methodology followed by BDA for Lake Restoration Projects
   Removal of encroachment. & boundary fixing

   Chain link fencing all along the periphery of the lake to check unauthorized

    encroachment and dumping of debris & construction waste.

   Deweeding.

   Desilting.

   Formation of peripheral Bunds all along the periphery of the lake

   Construction of Wet lands to remove nutrients from non point source.

   Construction of Sewage Water Diversion channel / pipelines.

   Construction of Silt traps to check the entry of silt.

   Construction of Screen barriers to check the entry of floating objects.

                                                                              6
Methodology followed by BDA for Lake Restoration Projects

    Construction of RCC Storm Water inlets

    Improvements to the Waste Weir.

    Creation of islands for the re-habitation of birds.

    Landscaping and development of parks and childrens play area.

    Afforestation.

    Lighting all along the periphery of lakes.

    Construction of localized tertiary sewage treatment plants where ever
     necessary to maintain the water level in the lake for 365 days

    Supply of excess treated water to down stream lake series through
     separate pipeline


                                                                        7
Location of Lakes
                                   • Phase I – 13 Lakes
                                   • Phase II – 32 Lakes
                                   • Phase III – 78 Lakes




Legend
    Primary SWD
    Secondary SWD
    WaterBodies
    BDA Boundary
  Phase I   Phase II   Phase III
STATUS OF LAKE RESTORATION WORKS TAKEN UP BY B.D.A.
Sl No     Phase   Category Total No. Total No. Total No.    Total No   Lake Encroach Encroach
                   of work of Works of Works of works       of works   Area    ment      ment
                                     complete under        for which (A - G) Identified Cleared
                                         d     progress    Revenue            (A - G) (A - G)
                                                           certificati
                                                               on /
                                                            eviction
                                                             orders
                                                            pending



        1PHASE-1 Compreh      13        12         1          --    766 - 33   31 - 16    14 - 27
                 ensive
                 developm
                 ent of
                 Lakes
        2PHASE-2 Fencing      32        15        17          16    2373-37    57 - 36    04 - 24
                 works
                 Compreh       -         -         -          -         -         -          -
                 ensive
                 developm
                 ent of
                 Lakes
        3PHASE-3 Fencing      78        25         6          48    1917-17    187 - 00   44 - 00
                 works
           Total              123       52        24          64    5057 - 37 276 - 12    63 - 11
Total
                                                                          No. of   Tenders     Revenue
                       Total    Estimated                 Total No. of
                                            Expenditure                   works     under    certification
Sl.No       Phase      No. of     Cost                       Works
                                              In Crs                      under    process     pending
                       Works     In Crs                    completed
                                                                         progres                 Nos
                                                                            s
         Phase-1
         Comprehe
 1       nsive
         developme
         nt of Lakes    13       90.21        87.51           12           1          -            -

         Phase-2
         Fencing
         works          32       19.50         3.70           15           17         -           16

 2       Comprehe
         nsive
         developme
         nt of Lakes
                         -       541.50          -             -            -         -            -
         Phase-3
 3       Fencing
         works          78                       -            25           06        47           48

        Total           123      876.21       91.21           52           24        47           64
                                                                                                   10
Details of Revenue Certification, Rehabilitation, Sewage and Lake Feeding
                                     ABSTRACT
Sl No    Phase   Category Total No. Total No. Total No. Total No Total No       Total No Total No. of
                 of work of Works of Works of works of lakes of Lakes           of Lakes Lakes which
                                    completed under      for which for which   which are   require
                                              progress Revenue rehabilitat      polluted feeding of
                                                        certificatio ion is    by sewage   treated
                                                             n/     required                water
                                                          eviction
                                                           orders
                                                          pending

        PHASE-1 Comprehe     13        12         1        03         05           -         03
                nsive                                               (211)
 1              developme
                nt of
                Lakes
        PHASE-2 Fencing      32        15        17        16         17          26         22
                works                                               (1031)

                Comprehe      -         -                   -         -            -          -
 2              nsive
                developme
                nt of
                Lakes
        PHASE-3 Fencing      78        25         6        48         35          55         37
 3              works                                               (1069)

         Total              123        52        24        68       57            81         62
                                                                  (2311)
B. NARAYANAPURA LAKE:-   SEWAGE ENTRY




B. NARAYANAPURA LAKE: ENCROACHMENT IN TANK AREA
KALKERE- RAMPURA LAKE:- GARBAGE DUMPING SEWAGE ENTRY




                  VIBUTHIPURA LAKE:-
             ENCROACHMENT & SEWAGE ENTRY
Chain link fencing to               Chain link fencing to
Lingadeeranahalli Lake (32 Lakes)   Chikkabettahalli Lake
                                    (32 Lakes)
Chain link fencing of Gandhinagara Hosakere
Barbed wire Fencing to Sooli Kere




                                    Chain link fencing of Gandhinagara Hosakere
Completed Projects – Mallathahalli LAKE (13 Lakes)




Newly Commissioned 5.0 MLD STP near Malathahalli Lake   16
Completed Projects – Mallathahalli LAKE




  Sewage entry through SWD                            Sewage diverted to STP.
  before commissioning of STP                         No sewage entry into lake




                                          Lake filled with tertiary treated water
     Lake view after restoration          after restoration                         17
Mallathahalli LAKE




                     18
Before
          Ullala Lake




During




                 After




                    19
Kommaghatta Lake
                             After


Before



During




         After Restoration




                                     20
Before
                  Sompura Lake
                       After




         During




                               21
The following are the issues which had slowed down the progress
of lake restoration works.

• All the lakes are transferred from BBMP / Forest Department to BDA
 for further development / maintenance, wherein the majority of the
 lakes are encroached, polluted with sewage and garbage dumping.

• Any lake restoration project has to be started with revenue survey of
 the lake area, identification of encroachment, demarcation of
 encroachment and finally eviction of encroachment which has to be
 done by the revenue department, since the proprietary of all the lakes
 vests with the revenue department.

•The clearance of encroachment on the lake areas is one of the serious
 issues which has slowed down the progress of lake works. In 64 cases the
 certification of encroachment, issue of eviction orders are pending which
 has to be taken up on priority.
• 81 Lakes under BDA control are affected by huge sewage flows, which has to be
  connected from the source to the main trunk sewer lines through a conduit which
  has to be taken up by BWSSB on priority.

• Since the majority of the lakes in the core areas of the city are encroached, which has
 huge no of habitants, wherein rehabilitation of such encroachers has to be taken up on
 priority. As a rough estimate 57 lakes contains 2311 No’s of un-authorized habitants
 which needs to be rehabilitated. This issue is to be taken up on top priority by the
 Urban Deputy Commissioner and The Commissioner Slum Board.

• In majority of the lakes, the Rajakaluves connecting lake to lake to transport the
 surplus water are non existant which has led to flooding, loss of property etc. So these
 Rajakaluves has to be demarcated on ground, encroachments to be removed and an
 earthen section of the Rajakaluve has to be provided for a free flow .

• Lack of adequate financial resources .

• Lack of proper maintenance mechanism.

• Lack of adequate man power .
                                                                                      23
 There should be a more rigorous approach from the revenue
  authorities in tackling encroachments and related issues.
 Strict penal actions from the enforcing authorities in tackling
  encroachments, dumping of garbage, Entry of sewage into the lakes.
 There should be an integrated sewage network system for the entire
  Bangalore Metropolitan area, to be addressed by BWSSB on top
  priority.
 The Rehabilitation of the un-authorized habitants on the lake areas
  has to be taken up on priority by the Slum Development Board and
  the Revenue Authorities.
 The existing lake development authority should be made as a single
  nodal agency who can execute, enforce, monitor, maintain all urban
  lakes.
 The existing Lake Development Authority should be strengthened
  with adequate man power.
 A proper funding mechanism should be developed to provide
 adequate funds for execution and maintenance of lake systems.
25

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Lake Restoration Projects Being Undertaken by BDA_Bangalore Development Authority

  • 1. BANGALORE DEVELOPMENT AUTHORITY PRESENTATION ON LAKE RESTORATION PROJECTS BEING TAKEN UP BY B.D.A. 1
  • 2. Bangalore Development Authority Aims & Objectives: 1. Regulation and Planning of Bangalore Metropolitan Area. 2. BDA has a jurisdictional area of 1046 sq kms. 3. Formation of Residential Layouts and Allotment of Sites at subsidized rates to the needy people. 4. Taking up the required Infrastructure Facilities in Bangalore city such as Construction of Flyovers, Road Infrastructure, Construction of Complexes etc.. 5. Construction of Affordable Housing Projects and Allotment of Houses to the needy people. 6. Environmental Conservation Initiatives Such as Lake Restoration projects, Enhancing Green Cover, Development of Parks etc.
  • 3. Present Scenario of Lakes in Bangalore • Bangalore City alone has got a total no of around 280 to 300 lakes. • Lakes has lost its identity due to Rapid urbanization. • Majority of the lakes are filled with sewage. • Majority of the lakes have undergone encroachment of the lake areas, cropping up of unauthorized structures in the lake areas, dumping of garbage etc. • Absence of proper monitoring and maintenance system for lakes. • Absence of a proper funding mechanism for lakes.
  • 4. IMPORTANCE OF LAKE RESTORATION PROJECTS  Based on Government directions, as an environmental protection initiative BDA has taken up the conservation and preservation of Natural water Bodies to their original glory in and around Bangalore .City.  For Prevention of Pollution  To prevent encroachment To develop the lake as a fresh water storage pond  For Flood Mitigation  To Preserve the Lake to its original Glory To develop the lake as a recreational centre.  To preserve and recharge the depleting underground water table. 4
  • 5. Methodology followed by BDA for Project Preparation  Projects Prepared as Per National Lake Conservation programme (NLCP), MoEF, New Delhi Guidelines and with a Master plan concept.  Sewage Diversion & Treatment Proposals prepared as per CPHEEO, MoUD, New Delhi Guidelines.  Remodelling of Inlet/Outlet Channels inline with BBMP SWD Master Plan proposals.  Lake boundary identification and Encroachment removal.  Works Categorized into Core & Non Core Components.  Works proposed to be taken up in two stages. 5
  • 6. Methodology followed by BDA for Lake Restoration Projects  Removal of encroachment. & boundary fixing  Chain link fencing all along the periphery of the lake to check unauthorized encroachment and dumping of debris & construction waste.  Deweeding.  Desilting.  Formation of peripheral Bunds all along the periphery of the lake  Construction of Wet lands to remove nutrients from non point source.  Construction of Sewage Water Diversion channel / pipelines.  Construction of Silt traps to check the entry of silt.  Construction of Screen barriers to check the entry of floating objects. 6
  • 7. Methodology followed by BDA for Lake Restoration Projects  Construction of RCC Storm Water inlets  Improvements to the Waste Weir.  Creation of islands for the re-habitation of birds.  Landscaping and development of parks and childrens play area.  Afforestation.  Lighting all along the periphery of lakes.  Construction of localized tertiary sewage treatment plants where ever necessary to maintain the water level in the lake for 365 days  Supply of excess treated water to down stream lake series through separate pipeline 7
  • 8. Location of Lakes • Phase I – 13 Lakes • Phase II – 32 Lakes • Phase III – 78 Lakes Legend Primary SWD Secondary SWD WaterBodies BDA Boundary Phase I Phase II Phase III
  • 9. STATUS OF LAKE RESTORATION WORKS TAKEN UP BY B.D.A. Sl No Phase Category Total No. Total No. Total No. Total No Lake Encroach Encroach of work of Works of Works of works of works Area ment ment complete under for which (A - G) Identified Cleared d progress Revenue (A - G) (A - G) certificati on / eviction orders pending 1PHASE-1 Compreh 13 12 1 -- 766 - 33 31 - 16 14 - 27 ensive developm ent of Lakes 2PHASE-2 Fencing 32 15 17 16 2373-37 57 - 36 04 - 24 works Compreh - - - - - - - ensive developm ent of Lakes 3PHASE-3 Fencing 78 25 6 48 1917-17 187 - 00 44 - 00 works Total 123 52 24 64 5057 - 37 276 - 12 63 - 11
  • 10. Total No. of Tenders Revenue Total Estimated Total No. of Expenditure works under certification Sl.No Phase No. of Cost Works In Crs under process pending Works In Crs completed progres Nos s Phase-1 Comprehe 1 nsive developme nt of Lakes 13 90.21 87.51 12 1 - - Phase-2 Fencing works 32 19.50 3.70 15 17 - 16 2 Comprehe nsive developme nt of Lakes - 541.50 - - - - - Phase-3 3 Fencing works 78 - 25 06 47 48 Total 123 876.21 91.21 52 24 47 64 10
  • 11. Details of Revenue Certification, Rehabilitation, Sewage and Lake Feeding ABSTRACT Sl No Phase Category Total No. Total No. Total No. Total No Total No Total No Total No. of of work of Works of Works of works of lakes of Lakes of Lakes Lakes which completed under for which for which which are require progress Revenue rehabilitat polluted feeding of certificatio ion is by sewage treated n/ required water eviction orders pending PHASE-1 Comprehe 13 12 1 03 05 - 03 nsive (211) 1 developme nt of Lakes PHASE-2 Fencing 32 15 17 16 17 26 22 works (1031) Comprehe - - - - - - 2 nsive developme nt of Lakes PHASE-3 Fencing 78 25 6 48 35 55 37 3 works (1069) Total 123 52 24 68 57 81 62 (2311)
  • 12. B. NARAYANAPURA LAKE:- SEWAGE ENTRY B. NARAYANAPURA LAKE: ENCROACHMENT IN TANK AREA
  • 13. KALKERE- RAMPURA LAKE:- GARBAGE DUMPING SEWAGE ENTRY VIBUTHIPURA LAKE:- ENCROACHMENT & SEWAGE ENTRY
  • 14. Chain link fencing to Chain link fencing to Lingadeeranahalli Lake (32 Lakes) Chikkabettahalli Lake (32 Lakes)
  • 15. Chain link fencing of Gandhinagara Hosakere Barbed wire Fencing to Sooli Kere Chain link fencing of Gandhinagara Hosakere
  • 16. Completed Projects – Mallathahalli LAKE (13 Lakes) Newly Commissioned 5.0 MLD STP near Malathahalli Lake 16
  • 17. Completed Projects – Mallathahalli LAKE Sewage entry through SWD Sewage diverted to STP. before commissioning of STP No sewage entry into lake Lake filled with tertiary treated water Lake view after restoration after restoration 17
  • 19. Before Ullala Lake During After 19
  • 20. Kommaghatta Lake After Before During After Restoration 20
  • 21. Before Sompura Lake After During 21
  • 22. The following are the issues which had slowed down the progress of lake restoration works. • All the lakes are transferred from BBMP / Forest Department to BDA for further development / maintenance, wherein the majority of the lakes are encroached, polluted with sewage and garbage dumping. • Any lake restoration project has to be started with revenue survey of the lake area, identification of encroachment, demarcation of encroachment and finally eviction of encroachment which has to be done by the revenue department, since the proprietary of all the lakes vests with the revenue department. •The clearance of encroachment on the lake areas is one of the serious issues which has slowed down the progress of lake works. In 64 cases the certification of encroachment, issue of eviction orders are pending which has to be taken up on priority.
  • 23. • 81 Lakes under BDA control are affected by huge sewage flows, which has to be connected from the source to the main trunk sewer lines through a conduit which has to be taken up by BWSSB on priority. • Since the majority of the lakes in the core areas of the city are encroached, which has huge no of habitants, wherein rehabilitation of such encroachers has to be taken up on priority. As a rough estimate 57 lakes contains 2311 No’s of un-authorized habitants which needs to be rehabilitated. This issue is to be taken up on top priority by the Urban Deputy Commissioner and The Commissioner Slum Board. • In majority of the lakes, the Rajakaluves connecting lake to lake to transport the surplus water are non existant which has led to flooding, loss of property etc. So these Rajakaluves has to be demarcated on ground, encroachments to be removed and an earthen section of the Rajakaluve has to be provided for a free flow . • Lack of adequate financial resources . • Lack of proper maintenance mechanism. • Lack of adequate man power . 23
  • 24.  There should be a more rigorous approach from the revenue authorities in tackling encroachments and related issues.  Strict penal actions from the enforcing authorities in tackling encroachments, dumping of garbage, Entry of sewage into the lakes.  There should be an integrated sewage network system for the entire Bangalore Metropolitan area, to be addressed by BWSSB on top priority.  The Rehabilitation of the un-authorized habitants on the lake areas has to be taken up on priority by the Slum Development Board and the Revenue Authorities.  The existing lake development authority should be made as a single nodal agency who can execute, enforce, monitor, maintain all urban lakes.  The existing Lake Development Authority should be strengthened with adequate man power.  A proper funding mechanism should be developed to provide adequate funds for execution and maintenance of lake systems.
  • 25. 25

Editor's Notes

  1. Phase I – 13 Lakes Phase II – 32 Lakes Phase III – 78 Lakes