MAJOR FUNCTIONS OF KW&SB

Section-07 of Chapter-V of KW&SB, Act 1996 describes following Major Functions of KW&SB: • UNDERTAKE BULK PRODUCTION, FILTERATION / TREATMENT TRANSMISSION AND RETAIL DISTRIBUTION PURIFYING OF WATER • UNDER TAKE COLLECTION, PUMPING, TREATMENT & DISPOSAL OF SEWAGE & INDUSTRIAL WASTE • BILLING AND COLLECTION OF WATER & SEWERAGE CHARGES INCLUDING ARREARS THERE OF

ORGANIZATIONAL SET UP

CHAIRMAN KWSB BOARD Managing Director Technical Finance Admn TOTAL Nos. OF EMPLOYEES, 13030

.

Revenue Planning

AREA OF JURISDICTION

AREA WITH KW&SB PRIOR TO DEVOLUTION 1000 km 2 PRESENT AREA 2600 km 2 COUNCILS OF GHARO & DHABEJI ADDED

DEVELOPMENT OF KARACHI CITY

• The population of Karachi was 0.3 Million in 1947.

• After independence, due to high influx of migrants from India and other parts of the country, the City’s population increased exponentially. The average annual population growth rate in Karachi is 4.15%.

• The KSDP Plan 2020 indicates the population of Karachi 15.2 Million in 2005 and projected population in 2020 as 27.5 Million.

35,000

FUTURE POPULATION OF KARACHI

32,506 30,000 27,550 25,000 20,000 15,000 15,120 10,000 5,000 0 1955 1965 1975 1985 Year 1995 Source: Karachi Strategic Development Plan 2020 (KSDP-2020) 2005 2015 2025

Water is being supplied to Karachi from a considerably distant located water source through bulk conveyance system comprising of a complex network of canals, conduits, siphons, multi-stage pumping and filtration

K-III 100 MGD (0.45Mm

3 /day) WATER SUPPLY PROJECT COMPLETED IN 2006

WATER SUPPLY SYSTEM

•

RAW WATER TRANSMISSION

Canals, conduits(3.3mx3.3m RCC), siphons/Pipelines(2100~1800mm) ,Bulk Supply Pumping Stations(24~35 mgd one unit) •

FILTER WATER TRANSMISSION

Filter Plants, Transmission Mains(1600~ 900 mm) Secondary Level Pumping Stations(5~15mgd one unit) •

WATER DISTRIBUTION

Area wise distribution Mains (600~ 75mm) emerging from trunk mains,small pumping stations

SCALE OF SERVICES TO MANAGE & MAINTAIN

 155 WATER PUMPING STATIONS  25 BULK WATER RESERVOIRS & ALLIED INSTALLATIONS  08 WATER FILTER PLANTS AND 03 SEWERAGE TREATMENT PLANTS.

 20 SEWERAGE PUMPING STATIONS  11,000 KM OF PIPELINES AND 25,000,000 PIPELINE JOINTS, 110 KMS OF CANALS  1100 MILLION GALLONS OF FLUID (WATER & SEWERAGE)  400,000 VALVES

WATER SUPPLY

• • • •

POPULATION MAXIMUM WATER DEMAND ( @ 54 gpcd) MINIMUM DEMAND (@ 30 – 54 gpcd) [Av: 42 gpcd] AVAILABLE SUPPLY

  

INDUS SOURCE (KINGER LAKE SURFACE WATER) Greater Karachi Gharo K-II Additional K-III Steel Mill PQA HUB DAM (SURFACE WATER) DUMLOTTEE WELLS (GROUND WATER) 280 mgd 28 mgd 100 mgd 40 mgd 100 mgd 22 mgd 08 mgd TOTAL : 18 MILLION 972 MGD 756 MGD 680 MGD 578 MGD 100 MGD 2 MGD 680 MGD

DEMAND AND SUPPLY GAP AT THE RATE OF 54 GPCD FOR 18 MILLION POPULATION 1000 900 800 700 600 500 400 300 200 100 0 680 972 Supply Demand

Widening demand and supply gap

•

Delay in sanction of additional 1200 cusec water quota from Indus source

•

Delay in execution of K-IV water project.

SEWERAGE SYSTEM

• SEWAGE GENERATED IN CITY (70% OF WATER SUPPLIED) • OPTIMUM DESIGN CAPACITY OF SEWERAGE TREATMENT PLANTS • QUANTITY OF SEWAGE TREATED • SHORTFALL IN SEWAGE TREATMENT CAPACITY • UNTREATED SEWAGE 472 MGD 151 MGD 55 MGD 321 MGD 417 MDG

SEWAGE TREATMENT PLANT Sewage Treatment Plant

Sewage Treatment Plant-I SITE Sewage Treatment Plant-II Mehmoodabad Sewage Treatment-III Mauripur

TOTAL Optimum Design Capacity (mgd)

51.00 mgd 46.50 mgd 54.00 mgd

151.50 mgd Actual treatment (mgd)

20 mgd

INVENTORY OF SEWERAGE SYSTEM

 SEWERAGE TREATMENT PLANTS 3 Nos.

 MAJOR SEWERAGE PUMPING STATIONS  SEWERAGE LIFT PUMPING STATIONS  SEWER CLEANING MACHNIES  Suction Machines 23 Nos.

 Jetting Machines 23 Nos.

 TOTAL LENGTH OF SEWERS 6 Nos. 32 Nos.

46 Nos.

5670 Kms  NUMBER OF MANHOLES 300,000 NOS.