Better Apartment Management: Water Management - Status of Water in Bangalore - Presented By BWSSB

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We experienced an action-packed Water Workshop on 21-June, Saturday, in Bangalore. The 70+ strong crowd had forward thinking Management Committee Members, Leading Experts in Water Supply, Chief Engineer of BWSSB (Bangalore Water Supply and Sewage Board) and MLA of Karantaka Assembly, in-charge of Bangalore.

A Presentation by Mr. T. Venkataraju, the Chief Engineer of BWSSB (Bangalore Water Supply and Sewage Board), on Water Workshop for Apartment Complexes was organized by ApartmentADDA.

Topics Covered -
Apartment Management: Water management - Overview of Water Supply
Apartment Management: Water management - Present Status and Statistics
Apartment Management: Water management - Treatment Plants in Bangalore
Apartment Management: Water management - Water supply to future apartments
Apartment Management: Water management - Treatment of water
Apartment Management: Water management - Rain water harvesting

To get details about Water workshop,check the link here :
http://apartmentadda.com/blog/blog/2014/06/25/banish-water-insecurity-workshop-on-21-june/





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Better Apartment Management: Water Management - Status of Water in Bangalore - Presented By BWSSB

  1. 1. Status Of Water Supply Bangalore Water Supply and Sewerage Board Workshop for Apartment Complexes 21-06-2014 By T.VENKATARAJU ENGINEER – IN – CHIEF, BWSSB PRESIDENT, IWWA PRESIDENT, BJAS Presented at Workshop conducted by:
  2. 2. Water on Earth Presented at Workshop conducted by:
  3. 3. Presented at Workshop conducted by:
  4. 4. Presented at Workshop conducted by:
  5. 5.  The first piped water supply system in Bangalore was started in 1896 from Hesaraghatta lake built across River Arkavathi.  Water supply was managed by City Corporation  Water supply was augmented in the years 1933, 1957 and in 1964 in stages up to 135 MLD from Chamaraja Sagara Reservoir built across River Arkavathi at T.G.Halli on down stream of Hesaraghatta situated about 26KM to the West of Bangalore.  Supply from Hessargatta and T.G.Halli reservoirs are completely stopped  Now, Cauvery is the only major source of water supply to the city  1280 MLD of water is now supplied to Bangalore. Water from bore wells also supplement part of the requirement. Overview of Water supply Presented at Workshop conducted by:
  6. 6. Hesarghatta Lake 1896 Now completely Dry Presented at Workshop conducted by:
  7. 7. Chamaraja Sagara Reservoir built in 1933 Now low storage & unfit for use Presented at Workshop conducted by:
  8. 8. Cauvery River Source - Shiva Anicut Presented at Workshop conducted by:
  9. 9. Cauvery water Pumping Head from TK Halli to Bangalore : 1500 ft – 475 m Source of Water Supply Presented at Workshop conducted by:
  10. 10. Projects Year of commissioning Installed Capacity (MLD) Present Supply (MLD) Arkavathy (TG Halli) 1933 145 0 Cauvery Stage I 1974 135 145 Cauvery Stage II 1982 135 145 Cauvery Stage III 1993 270 330 Cauvery Stage IV, Phase – I 2002 270 305 Cauvery Stage IV, Phase – II 2012 500 400 Total Supply 1455 1325 Present Water Supply AS ON 20-6-2014 Presented at Workshop conducted by:
  11. 11.  Geographical Area : 29 sq. kms beginning of the century; Expanded to 800 sq. kms by 2007  Population : 1.63 lakhs in 1901 to about 85 lakhs in 2011(Estimated 10 Million in 2014)  Major source of water –River Cauvery is situated at a distance of 100 kms.  Water pumped to Bangalore from river cauvery against a total head of 500 mts. in 3 stages Statistics of Bangalore Presented at Workshop conducted by:
  12. 12. Core area 245 Sq. Km 8 ULB 330 Sq. Km 110 Villages 225 Sq. Km Divisions 9 SubDivns 30 Service Stations 110 BBMP Area 800 Sqkm Presented at Water Workshop
  13. 13.  Present Population as on 2014 : 10 Million  Present Demand : 1425 MLD  Present Supply : 1325 MLD  Water deficit : 145 MLD  The Per Capita Supply : 110 to 120 ltrs  No. of Connections : 7.97 Lakhs  No. of Reservoirs in the city : 52  No. of Booster Pumping Stations : 62  Power charges per year : Rs. 375 Crs  Service area provided with supplies : 500 Sq.Km.  Balance area to be supplied (110 Villages) : 300 Sq.Km.  Cauvery water allocation : 19 TMC utilised.  Additional Allocation : 10 TMC (for 110 Villag) Present Water Supply Scenario Presented at Workshop conducted by:
  14. 14. Present Tertiary Treatment Status Particulars Quantity in MLD Number of TTPs 4 Total installed capacity 74 Present treatment 24 Supply of tertiary treated water 6 Tertiary Treated effluent flowing in to valley 18 Presented at Workshop conducted by:
  15. 15. Tertiary Treatment Plants Tertiary Treated water can be used for  Landscape Irrigation  Toilet Flushing  Floor washing  Construction Purposes  Air conditioning  Cooling purposes Presented at Workshop conducted by:
  16. 16. Tertiary Treatment Plants Tertiary Treated water is supplied to  Bharath Electronics Limited, Defense, ITC  Bangalore International Airport Ltd.  Arvind Mills  Various developers for construction purposes  Kempambudhi Park Presented at Workshop conducted by:
  17. 17. Present Water supply to Apartments  No of apartments supplied with water : 12997  No of tenements (Flats) : 211749  Tariff - Flat rate : Rs. 19/KL  Sewage cess : MinRs.100/flat  Type of meters : EM/ AMR Presented at Workshop conducted by:
  18. 18. Water supply to future Apartments  Conditional NOC are being issued towards future development of apartments.  Apartments have to make their own arrangements for water and wastewater disposals.  Entire BBMP limits are expected to be provided with Cauvery water supply only by 2022.  No more fresh water augmentation from Cauvery source beyond 2022.  It is mandatory for all Housing blocks having more than 5o apartments to provide for on site waste water treatment and its reuse for secondary purposes.  Providing RWH facilities both for reuse and recharge are mandatory. Presented at Workshop conducted by:
  19. 19. Water supply to future Apartments  On site waste water treatment shall be effective and fit for reuse.  Several kinds of treatment facilities are available in the market and should be chosen with proper care depending on end use.  Considering the likely future water scenario treatment options should get top priority for better beneficial uses.  Effective Operation and maintenance of waste water treatment plants in various apartment complexes is a major area of concern particularly after handing over to the owners association.  Unless more of reuse is put into practice situation would be grim. Presented at Workshop conducted by:
  20. 20. Water supply to future Apartments  To prevent leakages and loss of water through underground storage tanks in apartments action may be taken to provide CFTRI certified food grade GRP coatings applied on floor and wall surfaces which would make tanks leak proof.  Apartment complexes less than 50 tenements may try to adopt non power based treatments (which are very primitive by nature) to prevent pollution of water bodies. Presented at Workshop conducted by:
  21. 21. GRP Lining to surfaces of water tanks Presented at Workshop conducted by:
  22. 22. Non power based primitive treatment Presented at Workshop conducted by:
  23. 23. RWH Theme Park Presented at Workshop conducted by:
  24. 24. RWH Theme Park Presented at Workshop conducted by:
  25. 25. Model House of Rain Water Collection & Ground Water Recharge Presented at Workshop conducted by:
  26. 26. Rain Water Harvesting Rain water Sand Big Jelly Small Jelly Presented at Workshop conducted by:
  27. 27. Rain Water Harvesting Presented at Workshop conducted by:
  28. 28. Rain Water Harvesting Presented at Workshop conducted by:
  29. 29. Rain Water Harvesting Presented at Workshop conducted by:
  30. 30. Rain Water Harvesting Rain Water Harvesting is mandatory for sanctioning of new water supply connection, Presented at Workshop conducted by:
  31. 31. Bangalore Water Supply and Sewerage Board THANK YOU Presented at Workshop conducted by:

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