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C.W.S.S. TO 893 habitations in Nagapattinam District
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 - 890Nos
Population : 486281
Total Daily Requirement : Habitations - 890Nos
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 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 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.

Feeder Mains 250 mm AC to 63 mm PVC - 529369 M.
No of Group sump with Capacity 93 Nos.
i) 4.0 LL cap - 3 Nos.
ii) 3.0 LL cap - 2 Nos.
iii) 2.5 LL cap - 3 Nos.
iv) 2.0 LL cap - 3 Nos.
v) 1.5 LL cap - 11 Nos.
vi) 1.0 LL cap - 18 Nos.
vii) 0.60 LL cap - 22 Nos.
viiii) 0.10 LL cap - 13 Nos.
Service Reservoirs with capacity 5,000 lits - 02 Nos.
10,000 lits - 111 Nos.
18,000 Lits - 1 Nos.
15,000 Lits - 4 Nos.
30,000 Lits - 200 Nos
60,000 Lits - 48 Nos.
1,00,000 Lits- 15 Nos.
total - 381 Nos
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