C.W.S.S. To Clpra With Pillur Reservoir as Source.

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Salient details

Name of Scheme : C.W.W.W. To Clpra With Pillur Reservoir as Source
Project cost : Rs. 9175 Lakhs.
Beneficiaries :
  • TCorporation : 1 No
  • Municipality : 3 Nos
  • Town Panchayats : 22 Nos.
  • Village Panchayats:100 Nos
    (523 Rural Habitations )
Population : 14,09,188
Total Daily Requirement : 125 mld
Hours of Pumping : 24 Hours
Source : Pillur Reservoir
Head works
collection well : Ave.Dia = 19.5 m & Depth = 23 m
Pumpset
Type : Vertical Turbine oil lubricated 4x442 HP + 2 Nos. standby
Duty : 91200 lpm x 61.99 m
Hours of Pumping : 24 hrs.
Raw Water Tunnel
Raw Water Tunnel : 3850m
Raw Water Main - MS/PSC
Raw Water Main - MS/PSC : 1577m
Treatment Plant
Capacity of Treatment plant : 131.25 mld
Aerator
Aerator unit : 1 No. - 15m dia cascade type 4 drops
Stilling Chamber
Stilling Chamber : 1 No ( 6.0m dia x .0m depth)
Flash Mixer
Flash mixer : 2 Nos ( 4.0m dia x 4.60m depth)
Effective capacity of flash mixer : 57.80 cu.m. (each)
Rate of flow to each flash mixer : 2734.38 cu.m. / hr
Capacity of agitator : 7.50 HP - 1500 rpm
Clarifloculator
Clarifloculator : 2 Nos ( 60.5m dia x 3.0m depth)
Rate of flow : 2734.40 cum /hr
Filter House
Number of filter units : 18 Nos ( 2 stand -bye )
Capacity of each filter unit : 342 cum/ hr
Secondary Flash Mixer
Secondary Flash Mixer : 1 No ( 5.5m dia x 3.90m depth )
Alum Solution Preparation tank
Alum Solution tank : 3 Nos ( 4 x 4x4.1m)
Lime Solution Preparatiopn tank
Lime Solution tank : 3 Nos ( 3X2X2m)
Chlorination System
Number of chlorinators : 3 Nos ( Vacuum operated )
Capacity of chlorinators : 20 kg / hr
Wash water Tanks
Capacity wash water tank : 742 cum
Size of wash water tank : 17.75m dia x 3.45m depth-12m height
No.of wash water filling pumps : 2 Nos. ( 40 HP - 1500 RPM)
Clear Water Reservoir
Capacity of clear water reservoir : 52 lakhs lit. - in two compartments
Size of each compartment : 35m x 25m x 3m
Transmission Main
Pumping main : 10870 m
Gravity main : 59130 m
Clear Water Tunnel
Clear Water Tunnel
Clear Water Tunnel : 800 m
Booster station
Sump with capacity in lit.
Perianaickenpalayam : 700000
Palanigoundenpudur : 150000
Chinnathadagam : 100000
Mangarai : 100000
Appanaickenpalayam System I : 100000
Naickenpalayam : 100000
Chinnavedampatthy : 35000
Chettipalayam : 45000
Nanjammal Lay out : 35000
Madukkarai : 30000
Papampatti : 100000
Athappagoundenpudur : 150000
Kalangal - System I : 40000
Manthiripalayam : 30000
Poorandampalayam : 60000
Nallupalayam : 100000
Akkanaickenpalayam : 30000
Paruvai : 30000
Kaniyur : 20000
Vadugapalayam - Sys.I : 30000
Valayapalayam : 20000
Nallagoundenpalayam : 100000
Dodampatty : 100000
Putherichal : 30000
Devanampalayam : 30000
Kuppichipalayam : 30000
Ansur : 10000

Pumpset details

Locatoion of pump house : HP Duty(lpmxm)
Perianaickenpalayam : 90 5539x54
Palanigoundenpudur : 50 1048x92
Chinnathadagam : 40 858x100
Mangarai : 15 198x111
Appanaickenpalayam System I : 7.50 304x45
Appanaickenpalayam System II : 7.50 372x75
Naickenpalayam : 15 444x71
Chinnavedampatthy : 10 929x25
Chettipalayam : 12.5  
Nanjammal Lay out : 5  
Madukkarai : 5  
Papampatti : 12.5 501x50
Athappagoundenpudur : 15.5 558x55
Kalangal - System I : 100 2483x95
Kalangal - System II : 1.5 146x16
Manthiripalayam : 7.50 371x38
Manthiripalayam : 5 276x36
Poorandampalayam : 7.50 178x52
Nallupalayam : 5 180x35
Akkanaickenpalayam : 3 160x38
Paruvai : 30 862x80
Kaniyur : 7.5 720x56
Vadugapalayam - Sys.I : 12.50 204x88
Vadugapalayam - Sys.II : 7.5 127x70
Valayapalayam : 3 100x30
Nallagoundenpalayam : 40 734x88
Dodampatty : 40 1580x54
Putherichal : 10 348x43
Putherichal : 7.50 320x42
Devanampalayam : 10 360x52
Kuppichipalayam : 3 156x28
Ansur : 8 200x75
Feeder Mains : 26000 m
Service Reservoirs with capacity
Location : Vilankurichi
Capacity : 15 lakh litres