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Monday , 29th November 2021

C.W.S.S. TO 893 Habitations in Nagapattinam District.

Section: Combined Water Supply Schemes acivements pages are not under access control

Salient Details

Name of Scheme : C.W.S.S. TO 893 Habitations in Nagapattinam District.
Project Cost : Rs. 9450 Lakhs.
Beneficiaries :
  • Municipality -1 No.
  • Town Panchayat - 2 Nos.
  • Habitations - 890 Nos.
Population : 486281.
Hours of Pumping : 20 Hours.
Source : River Coleroon.

Flow Diagram

Head Works Vandayar Iruppu Collector Well
Type 60 HP - Turbine Pumpset - 3 Nos.
Duty 8687 LPM x 20 Mtr. Head.
  Ammayappan Collector Well
Type 25 HP - Turbine Pumpset - 3 Nos.
Duty 4177 LPM x 18 Mtr. Head.
  Ammayappan Collection Sump
Type 40 HP - Turbine Pumpset - 3 Nos.
Duty 12863 LPM x 10 Mtr. Head.
Transmission Main
Pumping main From Ammayappan sump to Thirumarugal
  1000mm PSC 4 KSC Pipes - 47765 Mtr.
900 mm PSC 4 KSC Pipes- 8545 Mtr.
Booster station 5 Nos.
 Sump with Capacity

Thirumarugal Booster sump - 20.0 LL cap.
Velipalayam Booster sump- 6.0 LL Cap.
Kilvelur Booster Sump- 6.0 LL Cap.
Thalainayar Booster Sump- 1.0 LL Cap.
Velankanni Booster sump- 1.0 LL Cap.

 Pumpset Details

Thirumarugal Booster sump.
a) 7149 LPM x 15 M. - 3 Nos. 40 HP HSC Pumpset.
b) 4642 LPM x 25 M. - 3 Nos. 40 HP HSC Pumpset.
Velipalayam Booster sump.
a) 3334 LPM x 17 M. - 2 Nos. 25 HP HSC Pumpset.
b) 2339 LPM x 23 M. - 3 Nos. 25 HP HSC Pumpset. (Nagai Mpty.)
Kilvelur Booster Sump.
3620 LPM x 30 M. - 3 Nos. 40 HP HSC Pumpset.

Thalainayar Booster Sump 1008 LPM x 42 M. - 2 Nos. 10 HP HSC Pumpset.

Velankanni Booster sump.
821 LPM x 20 M. - 2 Nos. 10 HP Centrifugal Pumpset.
 

 Booster Pumping Main Details

Booster main - I from the Thirumarugal sump to Velipalayam sump - 18290 M.
a) 700 mm PSC 6 KSC Pipe - 9040 m.
b) 700 mm PSC 4 KSC Pipe - 9130 m.
c) 500 mm PSC 4 KSC Pipe - 120 m.
Booster main - IA from Velipalayam Sump to Velankanni sump - 12504 M.
a) 350 mm PSC 6 KSC Pipe - 9660 m.
b) 350 mm PSC 4 KSC Pipe - 30 m.
c) 200 mm AC Class-15 Pipe - 2814m.
Booster main - II from the Thirumarugal sump to Kilvelur Sump - 14140 M.
a) 500 mm PSC 8 KSC Pipe - 2925 m.
b) 500 mm PSC 6 KSC Pipe - 11215 m.
Booster main - IIA from Kilvelur sump to Thalainayar Sump - 29229 M.
a) 500 mm PSC 8 KSC Pipe - 8265 m.
b) 450 mm PSC 8 KSC Pipe - 5245 m.
c) 400 mm PSC 6 KSC Pipe - 4550 m.
d) 350 mm PSC 6 KSC Pipe - 6150 m.
e) 350 mm PSC 4 KSC Pipe - 950 m.
f) 250 mm AC Class 15 Pipe - 1651 m.
g) 200 mm AC Class 15 Pipe - 2418 m.