EXISTING WATER SUPPLY SCHEME UNDER SOUTH / WEST CIRCLE, WS & P.H.E. DEPARTMENT GOVERNMENT OF SIKKIM, GANGTOK 
                     
                     
Sl.No  Type of flow Name of main, submain stretch Type of Pipe Dia of pipe(mm) Intake head work Sedimentation tank Year of Const. Present Condition                                            Filteration Distribution Tank
                poor     satisfactory   
1 2 3 4 5 6 7 8 9 10 11
 
WEST SUB-DIVISION / WEST DISTRICT                    
1 Gravity flow Gyalshing bazar Water supply scheme from lower Chagay source G.I 100mm               80mm          65mm 1 1 1975   satisfactory 2(distribution tank
2 Gravity flow Rabdentse water supply scheme, Gyalshing from U. Chagay & Wangwang khola G.I 100mm                   50mm 1 1 1989   satisfactory 2(distribution tank
3 Gravity flow Dentam bazar water supply scheme G.I 100mm             32mm 1 1 1993   satisfactory 2(distribution tank
4 Gravity flow Uttarwy bazar water supply scheme G.I 100mm              65mm 1 1 2004   satisfactory 1(distr. Tank)
5 Gravity flow Legship bazar water supply scheme G.I 50mm 1 1 1979   satisfactory 2nos. dist. Tank
6 Gravity flow Augt. Of Reshi bazar water supply scheme G.I 80mm           50mm         32mm 2 2 2005   satisfactory 1(distr. Tank)
7 Gravity flow Naya bazar water supply scheme G.I 100mm                        80mm         50mm         32mm   2 2 1976   satisfactory 1(distr. Tank)
8 Gravity flow Dramdin water supply scheme G.I 80mm           65mm        50mm        32mm 1 1 2002   satisfactory 2nos. dist. Tank
9 Gravity flow Sombaria bazar water supply scheme G.I 80mm                   65mm         50mm        32mm 1 1 1979   satisfactory 2nos. dist. Tank
10 Gravity flow Soreng bzar water supply scheme G.I 80mm                   65mm         50mm        32mm 2 2 1980   satisfactory 2nos. dist. Tank
11 Gravity flow Kaluk bazar water supply scheme G.I 32mm 1 1 1969 poor   2 nos. dist tank
12 Gravity flow Rinchenpong bazar water supply scheme G.I 100mm 1 1 1980   satisfactory 4 nos. distribution tank
13 Gravity flow Chakung bazar water supply scheme G.I 32mm 1 1 1972   satisfactory 1 distribution tank
14 Gravity flow Heegoan bazar water supply scheme G.I 32mm 1 1 2002   satisfactory 1 distribution tank
                     
 
EXISTING WATER SUPPLY SCHEMES UNDER SOUTH / WEST CIRCLE, WS & P.H.E. DEPARTMENT GOVERNMENT OF SIKKIM, GANGTOK
Sl.No Type of flow Name of main, submain stretch Type of Pipes Dia of pipe(mm) Intake head work Sediment tank  Year of const. Present condition Filtration distribution tank
                poor satisfactory  
1 2 3 4 5 6 7 8 9 10 11
SOUTH SUB-DIVISION / SOUTH DISTRICT
1 Gravity flow Namchi water supply scheme G.I 150mm 2 1 1989   satisfactory 1(filtration tank)
2 Gravity flow Chemchey water supply scheme G.I 100mm 1 1 2004   satisfactory 1(pressure filter 1(distr. tank)
3 Gravity flow Samduptse water supply scheme G.I 40mm - - 2004   satisfactory 1(distribution tank)
4 Gravity flow i) Jorethang water supply scheme G.I 100mm 2 2 1975   satisfactory 1pressure filter
    ii) Augt.Of Jorethang water supply scheme D.I 100mm 1 1 2004   satisfactory 1distribution tank
5 Gravity flow Mazitar water supply scheme G.I 50mm 1 1 1982   satisfactory 1(distribution tank)
6 Gravity flow Melli bazar water supply scheme G.I 80mm 1 1 1989   satisfactory 1(distribution tank)
7 Gravity flow Namthang water supply scheme G.I 50mm 1 1 1984   satisfactory 1(distribution tank)
8 Gravity flow Rabongla bazar water supply scheme G.I 80mm 1 - 1986   satisfactory 1(distribution tank)
9 Gravity flow Kewzing bazar water supply scheme G.I 50mm 2 - 2005   satisfactory 1(distribution tank)
10 Gravity flow Temi bazar water supply scheme G.I 50mm 2 1 2007   satisfactory 1(distribution tank)
11 Gravity flow Yangang bazar water supply scheme G.I 50mm 2 2 1982   satisfactory 2nos. Distr. Tank
12 Gravity flow Damthang bazar water supply scheme G.I 40mm 1 1 2004 poor   1(distribution tank)