maintenance and rectification of leakages of water supply system with labour and required material for annual providing & supplying isi mark pvc pipes-4 kg , 1 / 2 inch , 1inch , 63 mm , 75 mm , 90 mm , 110 mm , 140 mm , 160 mm , 200 mm , providing & supplying isi mark gi pipes ( medium ) , 50 mm , 65 mm , 80 mm , 100 mm , providing & supplying hdpe pipes. pe1006 kg , 75 mm , 90 mm , 110 mm , 125 mm , 140 mm , 160 mm , 180 mm , 200 mm , providing & supplying electro fusion fittings , coupler 90 mm , coupler 110 mm , coupler 160 mm , coupler 200 mm , equal tee 90 mm , equal tee 110 mm , equal tee 160 mm , equal tee 200 mm , elbow 90 degree 90 mm , elbow 90 degree 110 mm , elbow 90 degree 160 mm , elbow 90 degree 200 mm , elbow 45 degree 90 mm , elbow 45 degree 110 mm , elbow 45 degree 160 mm , elbow 45 degree 200 mm , reducer 90×63 mm , reducer 110×90 mm , reducer 160×110 mm , reducer 200×160 mm , end cap 90 mm , end cap 110 mm , end cap 160 mm , end cap 200 mm , lnpe ( adapter for hdpe pipeline ) 90 mm , lnpe ( adapter for hdpe pipeline ) 110 mm , lnpe ( adapter for hdpe pipeline ) 160 mm , lnpe ( adapter for hdpe pipeline ) 200 mm , lnpe ( adapter for hdpe pipeline ) 250 mm , providing & supplying isi mark cid / f reflux valve ( non - return valve ) , 80 mm , 100 mm , providing & supplying double flange sluice valves without bypass arrangement , 80 mm pn 1.0 , 100 mm pn 1.0 , 150 mm pn 1.0 , 200 mm pn 1.0 , 250 mm pn 1.0 , 300 mm pn 1.0 , 350 mm pn 1.0 , 150 mm pn 1.6 , 200 mm pn 1.6 , 250 mm pn 1.6 , 300 mm pn 1.6 , providing & supplying air valves ( double orifice ) , 50 mm , 80 mm , 100 mm , providing & supplying isi mark rubber gasket suitable for ci or di pipes of all class for tyton joints , 80 mm , 100 mm , 150 mm , 200 mm , 250 mm , 300 mm , 350 mm , o rings of sbr ( for cid jts ) 80 mm , o rings of sbr ( for cid jts ) 100 mm , o rings of sbr ( for cid jts ) 150 mm , o rings of sbr ( for cid jts ) 200 mm , o rings of sbr ( for cid jts ) 250 mm , o rings of sbr ( for cid jts ) 300 mm , o rings of sbr ( for cid jts ) 350 mm , supply of ci mechanical joints ( ????? ??? ) , 100 mm , 150 mm , 200 mm , 250 mm , 300 mm , 350 mm , supply of di mechanical joints ( ????? ??? ) , 100 mm , 150 mm , 200 mm , 250 mm , 300 mm , 350 mm , supply of cid joints , 50 mm pvc , 63 mm pvc , 75 mm pvc , 90 mm pvc , 110 mm pvc , 150 mm pvc , 90 mm ci , 100 mm ci , 150 mm ci , 200 mm ci , 250 mm ci , 300 mm ci , 350 mm ci , pvc specials , 1 / 2 inch pvc elbow , 1 / 2 inchpvc coupler , 1 / 2 inchpvc bend , 1 / 2 inchpvc male-female , 1 / 2 inchpvc tee , 1 / 2 inchpvc threader , 1 / 2 inch pvc end cap , 1 inch pvc elbow , 1 inchpvc coupler , 1 inchpvc bend , 1 inchpvc male-female , 1 inchpvc tee , 1 inchpvc threader , 1 inch pvc end cap , 50 mm pvc elbow , 50 mm pvc coupler , 50 mm pvc bend , 50 mm pvc male-female , 50 mm pvc tee , 50 mm pvc threader , 50 mm pvc end cap , 63 mm pvc elbow , 63 mm pvc coupler , 63 mm pvc bend , 63 mm pvc male-female , 63 mm pvc tee , 63 mm pvc threader , 63 mm pvc end cap , 75 mm pvc elbow , 75 mm pvc coupler , 75 mm pvc bend , 75 mm pvc male-female , 75 mm pvc tee , 75 mm pvc threader , 75 mm pvc end cap , 90 mm pvc elbow , 90 mm pvc coupler , 90 mm pvc bend , 90 mm pvc male-female , 90 mm pvc tee , 90 mm pvc threader , 90 mm pvc end cap , 110 mm pvc elbow , 110 mm pvc coupler , 110 mm pvc bend , 110 mm pvc male-female , 110 mm pvc tee , 110 mm pvc threader , 110 mm pvc end cap , 160 mm pvc elbow , 160 mm pvc coupler , 160 mm pvc bend , 160 mm pvc male-female , 160 mm pvc tee , 160 mm pvc threader , 160 mm pvc end cap , 75-90 mm reducer , 75 mm ball cock , 90-110 mm reducer , 90 mm ball cock , 50-63 mm reducer , 110-160 mm reducer , 160-200 mm reducer , ??? ??????? ???????? , pvc solution , rubber packing , leather packing , 6, 8, 10 ??? ???????? , packing ???? 6 ??? , packing ???? 8 ??? , packing ???? 10 ??? , packing ???? 12 ??? , ???? , ?????? ???? ????? ??? , ???? ???? ????? ??? , ????? ???? 100 mm , ????? ???? 150 mm , ????? ???? 200 mm , ????? ???? 250 mm , ????? ???? 300 mm , ????? ???? 350 mm , ????? ???? 400 mm , ????? ???? 450 mm , ?????? ??? ???? ???? ( threading ) , ???? threading ???? 65 mm , ???? threading ???? 50 mm , gland rassi to valve ( 200 mm to 400 mm sluice valve ) , providing and fixing road box to valve , ????????? ???? ?????? , 1 / 2 ×1 ??.?????.?? ????????? ???? , 1 / 2 ×2 ??.?????.?? ????????? ???? , 1 / 2 ×2.1 / 2 ??.?????.?? ????????? ???? , 1 / 2 ×3 ??.?????.?? ????????? ???? , 1 / 2 ×4 ??.?????.?? ????????? ???? , 1 / 2 ×5 ??.?????.?? ????????? ???? , 1 / 2 ×6 ??.?????.?? ????????? ???? , 1 / 2 ×8 ??.?????.?? ????????? ???? , ??.??.?????.?? ???? ?????? , 1 / 2 ??.??.?????.?? ???? , 1 / 2 ??.??.?????.?? ?????? , 1 / 2 ??.??.?????.?? ?? , 1 / 2 ??.??.?????.?? ???? , 1 / 2 ??.??.?????.?? ?????? , 1 / 2 ??.??.?????.?? ?????? ???? , 1 / 2 ??.??.?????.?? ?????? ??????? , 1 / 2 ??.??.?????.?? ????????? , 1 / 2 ??.??.?????.?? ?????? , 1 ??.??.?????.?? ???? , 1 ??.??.?????.?? ?????? , 1 ??.??.?????.?? ?? , 1 ??.??.?????.?? ???? , 1 ??.??.?????.?? ?????? , 1 ??.??.?????.?? ?????? ???? , 1 ??.??.?????.?? ?????? ??????? , 1 ??.??.?????.?? ????????? , 1 ??.??.?????.?? ?????? , 2 ??.??.?????. ???? , 2 ??.?????.??. ?????? , 2 ??.??.?????.??.?? , 2 ??.??.?????.??. ???? , 2 ??.??.?????.??. ?????? , 2 ??.??.?????.??. ?????? ???? , 2 ??.??.?????.??. ?????? ??????? , 2 ??.?????.?? ????????? ????????? , 2 ??.??.?????.?? ?????? , 2.1 / 2??.??.?????. ???? , 2.1 / 2 ??.??.?????.??. ?????? , 2.1 / 2??.??.?????.?? ?? , 2.1 / 2 ??.??.?????.?? ???? , 2.1 / 2??.?????.?? ?????? , 2.1 / 2??.??.?????.?? ?????? ???? , 2.1 / 2??.??.?????.??.?????? ??????? , 2.1 / 2??.??.?????.??.????????? , 2.1 / 2??.??.?????.??.?????? , 3 ??.??.?????.??.???? , 3 ??.??.?????.??.?????? , 3 ??.??.?????.??. ?? , 3 ??.??.?????.??.???? , 3 ??.??.?????.??.?????? , 3 ??.??.?????.??. ?????? ???? , 3 ??.??.?????.??. ?????? ??????? , 3 ??.??.?????.??. ????????? , 3 ??.??.?????.??. ?????? , 3 / 4 ??.??.?????.??. ???? , 3 / 4 ??.??.?????.??. ?????? , 3 / 4 ??.??.?????.??. ?? , 3 / 4 ??.??.?????.??. ???? , 3 / 4 ??.??.?????.??. ?????? , 3 / 4 ??.??.?????.??. ?????? ???? , 3 / 4 ??.??.?????.??. ?????? ??????? , 3 / 4 ??.??.?????.??. ????????? , 3 / 4 ??.??.?????.??. ?????? , providing & supplyingflange , 50 mm , 63 mm , 80 mm , 100 mm , 150 mm , 200 mm , 250 mm , ??.??. ???? ?????? , 1 / 2 ??.??. ???? , 1 / 2 ??.??. ?????? , 1 / 2 ??.??. ?? , 1 / 2 ??.??. ???? , 1 / 2 ??.??. ?????? , 1 / 2 ??.??. ?????? ???? , 1 / 2 ??.??. ?????? ??????? , 1 / 2 ??.??. ????????? , 1 / 2 × 3??.??. ??????? , 1 / 2 × 6??.??. ??????? , 1 / 2 × 9??.??. ??????? , 1 / 2 × 12??.??. ??????? , 1 / 2 × 18??.??. ??????? , 1 / 2 × 24??.??. ??????? , 1 / 2 × 30??.??. ??????? , 1 / 2 × 36??.??. ??????? , 3 / 4 ??.??. ???? , 3 / 4 ??.??. ?????? , 3 / 4 ??.??. ?? , 3 / 4 ??.??. ???? , 3 / 4 ??.??. ?????? , 3 / 4 ??.??. ?????? ???? , 3 / 4 ??.??. ?????? ??????? , 3 / 4 ??.??. ????????? , 3 / 4 × 3 ??.??.??????? , 3 / 4 × 6??.??.??????? , 3 / 4 × 9??.??.??????? , 3 / 4 × 12??.??.??????? , 3 / 4 × 18??.??.??????? , 3 / 4 × 24??.??.??????? , 3 / 4 × 30??.??.??????? , 3 / 4 × 36??.??.??????? , 1 ??.??.???? , 1 ??.??.?????? , 1 ??.??.?? , 1 ??.??.???? , 1 ??.??.?????? , 1 ??.??.?????? ???? , 1 ??.??.?????? ??????? , 1 ??.??.???? ????????? , 1 × 3 ??.??.??????? , 1 × 6 ??.??.??????? , 1 × 9 ??.??.??????? , 1 × 12 ??.??.??????? , 1 × 18 ??.??.??????? , 1 × 24 ??.??.??????? , 1 × 30 ??.??.??????? , 1 × 36 ??.??.??????? , 2 ??.??. ???? , 2 ??.??. ?????? , 2 ??.??. ?? , 2 ??.??. ???? , 2 ??.??. ?????? , 2 ??.??. ?????? ???? , 2 ??.??. ?????? ??????? , 2 ??.??. ????????? , 2 × 3??.??. ??????? , 2 × 6??.??. ??????? , 2 × 9??.??. ??????? , 2 × 12??.??. ??????? , 2 × 18??.??. ??????? , 2 × 24??.??. ??????? , 2 × 30??.??. ??????? , 2 × 36??.??. ??????? , 2.1 / 2 ??.??. ???? , 2.1 / 2??.??. ?????? , 2.1 / 2??.??. ?? , 2.1 / 2??.??. ???? , 2.1 / 2??.??. ?????? , 2.1 / 2??.??. ?????? ???? , 2.1 / 2??.??. ?????? ??????? , 2.1 / 2??.??. ????????? , 2.1 / 2× 3 ??.??.??????? , 2.1 / 2× 6??.??.??????? , 2.1 / 2× 9??.??.??????? , 2.1 / 2× 12??.??.??????? , 2.1 / 2× 18??.??.??????? , 2.1 / 2× 24??.??.??????? , 2.1 / 2× 30??.??.??????? , 2.1 / 2× 36??.??.??????? , 3 ??.??.???? , 3 ??.??.?????? , 3 ??.??.?? , 3 ??.??.???? , 3 ??.??.?????? , 3 ??.??.?????? ???? , 3 ??.??.?????? ??????? , 3 ??.??.???? ????????? , 3 × 3 ??.??.??????? , 3 × 6 ??.??.??????? , 3 × 9 ??.??.??????? , 3 × 12 ??.??.??????? , 3 × 18 ??.??.??????? , 3 × 24 ??.??.??????? , 3 × 30 ??.??.??????? , 3 × 36 ??.??.??????? , ?????? ????? ?????? , 2.1 / 2 ?????? ????? , 3 ?????? ????? , 4 ?????? ????? , 5 ?????? ????? , 6 ?????? ????? , disconnected & reconnection of consumer connection due to non payment of water tax etc. , 6’’ ??.????.??. ?????????? , 5’’ ??.????.??. ?????????? , 4’’ ??.????.??. ?????????? , 3’’ ??.????.??. ?????????? , 2 1 / 2’’ ??.????.??. ?????????? , 2’’ ??.????.??. ?????????? , 1’’ ??.????.??. ?????????? , 1 / 2’’ ??.????.??. ?????????? , ????? , ???????? ( ?????? ????? ) , b 36 ????? , 100 hp ???? ? ???? ??????? ( 7322 ) , 100 hp ???? ? ???? ??????? ( 6322 c3 ) , ???? ??? , 100 hp ???? ? ???? ????? ?????? ( ????? ) , ????? ( 8 ??? ?10 ) , ½’’ ????? ??? ??????? , 1 gi ball valve , 2 gi ball valve , 2.5 gi ball valve , 3 gi ball valve , 4 gi ball valve , 50 ??.??. ??? ??????? ?? ???? ??? , 80 ??.??. ??? ??????? ?? ???? ??? , mdpe hsc material providing & supply of electro fusion fittings in accordance with bs en12201: part 3 suitable for drnking water with in balck / blue colour including cost of testing, inspection charges. etc , ferrule tapping tee 110 x 1 / 2 , ferrule tapping tee 160 x 1 / 2 , ferrule tapping tee 200 x 1 / 2 , providing & supplying blue mdpe pipe confirming is: 4427:1996 manufactured from virgin resin pe 80 food grade compondraw material having blue colour only. including cost of testing, inspection charges. etc 1 ) 20 mm dia , providing isi mark gi pipes including cost of testing, inspection charges. etc one coupler shall be provided with each full length of pipe1 ) light 32 mm dia etc , making house service connection with material provided by municipal council etc including all labour charges including excavation making hsc and refilling etc.