maintenance and repair to mahadula water supply scheme tah kamptee dist nagpur ( for the year 2020-2021 ) providing manpower , rectification of leakeges , o and m of valves , making disconnection of consumers water connection and other miscelleneous work , subwork no . 1 : providing skilled & unskilled manpower for the operation & maintenance of the scheme , item no . 1 . providing skilled and experience persons for operation and maintanace of the scheme including manning necessary personal such as pump operator , chemist , valve man , electrician , helper , lab assistance etc . as per requirement of scheme for a period of one year . contractor shall engaged skilled and experienced person for operation of raw and pure water pumping machinery , filler operator at wtp etc complete . , at head works pump operator at head works -2 no , helper at head works at night- 1 no , at water treatment plant supervisor cum chemist , pump operator at wtp -2 no , filter operator at wtp-2 no , helper at wtp -2 no , valveman - 3 no , subwork no . 2 : rectification of leakages to raw water rising main , distribution system and allied works . , item no . 1 . rectification of leakages of raw water pumping main ofd . i . 300 mm dia assuming no . of leakages . d . i . pipe 300 mm dia d . i . k-9 , item no . 2 . repairs to existing sluice valve including execution , dismantling valve opening , repairing accessoried , valve fixing , including all required materials & labour , etc . complete . assuming no . of repairs . a ) preparing spindle . sluice valve - 80 mm dia , sluice valve - 100 mm dia , sluice valve - 150 mm dia , sluice valve - 200 mm dia , sluice valve - 250 mm dia , sluice valve - 300 mm dia , sluice valve - 350 mm dia , sluice valve - 400 mm dia , b ) preparing check-nut sluice valve - 80 mm dia , sluice valve - 100 mm dia , sluice valve - 150 mm dia , sluice valve - 200 mm dia , sluice valve - 250 mm dia , sluice valve - 300 mm dia , sluice valve - 350 mm dia , sluice valve - 400 mm dia , item no . 3 . rectification of leakages on distribution lines of following dia and class of , a . c . class-15 & pvc pipes & hdpe pipe &di k-9 pipesincluding necessary excavation in any type of strate ( manually / mechnically ) rectification of leakage , lowering , laying , jointing pipes and specials closing the water supply in that ever necessary dewatering refilling and reinstalling the water supply including cost of all gravity materials ( pipes/specials ) etc . complete as directed by engineer-in-charge . distribution system ( rate without cement concrete road ) pvc pipe 63 mm dia pvc 4kg/cm2 , 75 mm dia pvc 4kg/cm2 , 90 mm dia pvc 4kg/cm2 , 110 mm dia pvc 4kg/cm2 , 140 mm dia pvc 4kg/cm2 , 160 mm dia pvc 4kg/cm2 , 200 mm dia pvc 4kg/cm2 , d . i . pipe 150 mm dia d . i . k-7 , 200 mm dia d . i . k-7 , 250 mm dia d . i . k-7 , 300 mm dia d . i . k-9 , 350 mm dia d . i . -9 , 400 mm dia d . i . k7 , h . d . p . e . pipe 90 mm dia hdpe 6kg/cm2 , 110 mm dia hdpe 6kg/cm2 , 125 mm dia hdpe 6kg/cm2 , 140 mm dia hdpe 6kg/cm2 , 160 mm dia hdpe 6kg/cm2 , 200 mm dia hdpe 6kg/cm2 , rate with cement concrete road pvc pipe 63 mm dia pvc 4kg/cm2 , 75 mm dia pvc 4kg/cm2 , 90 mm dia pvc 4kg/cm2 , 110 mm dia pvc 4kg/cm2 , 140 mm dia pvc 4kg/cm2 , 160 mm dia pvc 4kg/cm2 , 200 mm dia pvc 4kg/cm2 , d . i . pipe 150 mm dia d . i . k-7 , 200 mm dia d . i . k-7 , 250 mm dia d . i . k-7 , 300 mm dia d . i . k-9 , 350 mm dia d . i . -7 , 400 mm dia d . i . k7 , h . d . p . e . pipe 90 mm dia hdpe 6kg/cm2 , 110 mm dia hdpe 6kg/cm2 , 125 mm dia hdpe 6kg/cm2 , 140 mm dia hdpe 6kg/cm2 , 160 mm dia hdpe 6kg/cm2 , 200 mm dia hdpe 6kg/cm2 , item no . 4: provding pvc pipes specials including all taxes duties , transportation etc . of suitable dia & kg/sqcm as per details specification . for bends 63 mm dia pvc 4kg/cm2 , 75 mm dia pvc 4kg/cm2 , 90 mm dia pvc 4kg/cm2 , 110 mm dia pvc 4kg/cm2 , 140 mm dia pvc 4kg/cm2 , 160 mm dia pvc 4kg/cm2 , 200 mm dia pvc 4kg/cm2 , for tee 63 mm dia pvc 4kg/cm2 , 75 mm dia pvc 4kg/cm2 , 90 mm dia pvc 4kg/cm2 , 110 mm dia pvc 4kg/cm2 , 140 mm dia pvc 4kg/cm2 , 160 mm dia pvc 4kg/cm2 , 200 mm dia pvc 4kg/cm2 , pvc couplers ( assuming 2 nos of couplers required jointing of each leakages ) 63 mm dia pvc 4kg/cm2 , 75 mm dia pvc 4kg/cm2 , 90 mm dia pvc 4kg/cm2 , 110 mm dia pvc 4kg/cm2 , 140 mm dia pvc 4kg/cm2 , 160 mm dia pvc 4kg/cm2 , 200 mm dia pvc 4kg/cm2 , item no5: providing pvc pipes , hdpe pipe etc . complete . provision for pipes replacement during leakages . pvc pipe 4 kg/sqcm 63 mm dia pvc 4kg/cm2 , 75 mm dia pvc 4kg/cm2 , 90 mm dia pvc 4kg/cm2 , 110 mm dia pvc 4kg/cm2 , 140 mm dia pvc 4kg/cm2 , 160 mm dia pvc 4kg/cm2 , 200 mm dia pvc 4kg/cm2 , h . d . p . e . pipe 90 mm dia hdpe 6kg/cm2 , 110 mm dia hdpe 6kg/cm2 , 125 mm dia hdpe 6kg/cm2 , 140 mm dia hdpe 6kg/cm2 , 160 mm dia hdpe 6kg/cm2 , 225 mm dia hdpe 6kg/cm2 , item no 6: providing and supplying d . i . fittings with isi mark mechanical joint confirming to tables 12 to table 31 of is 9523/2000 upto latest amendments including cost of sbr/ edpm gaskets , nuts , bolts , washers and ductile iron follower glands . fittings should be with internally ordinary portland cement mortor lined and externally metallic zinc coating/zinc rich paint with finishing layer of black bitumen coating including transportation and all taxes etc . complete . mj collar couplings 150 mm dia di k-7 , 200 mm dia di k-7 , 250 mm dia di k-7 , 300 mm dia di k-7 , 350 mm dia di k-7 , 400 mm dia di k-7 , flange socket pn-1 . 0 150 mm dia di k-7 , 200 mm dia di k-7 , 250 mm dia di k-7 , 300 mm dia di k-7 , 350 mm dia di k-7 , 400 mm dia di k-7 , item no 7: providing & supply of electro fusion fittings in accordance with bs en12201: part-3 suitable for drinking water with in black/ blue colour manufactured from compounded pe80/ pe100 virgin polymer and compatible with pe80/pe100 pipes , in pressure rating sdr11 with min pn12 . 5 rated for water application and shall be inclusive of all cost such as testing , inspection charges , transportation up to store , transit insurance , loading , unloading , stacking excluding gst levied by goi & gom in all respect , etc . complete . couplers 90 mm dia hdpe 6kg/cm2 , 110 mm dia hdpe 6kg/cm2 , 125 mm dia hdpe 6kg/cm2 , 140 mm dia hdpe 6kg/cm2 , 160 mm dia hdpe6kg/cm2 , 225 mm dia hdpe6kg/cm2 , subwork no:3 closing the water supply from old esr & connecting the water supply from new esr at nagarpanchayat mahadula premises area , item no 1: providing and supplying in standard lengths polyethelene pipes , confirming to is 4984 /14151 / 12786 / 13488 with nesessary jointing material like mechanical connector i . e . thread / insert joint / quick release coupler joint /compression fitting joint or flanged joint excluding coupler/ specials , including transportation and freight charges , inspection charges , loading / unloading charges , conveyance to the departmental stores & stacking the same in closed shade duly protecting from sunrays & rains , excluding gst levied by goi & gom in all respect etc . complete . as per is:4984-2016 a ) 140 mm dia . hdpe pipe , item no 2: supply of ci mechanical joint double socket with flanged tees dimensionally described in table -19 of is - 13382/1992 complete with sealing rubber gasket of s . b . r . ( dimensionally described in is-12820/ 1989 ) with cast iron follower gland and mild steel nut bolts coated or galvanised coated or otherwise protected from rusting and suitable for c . i . pipes . double socket tee with flange branch-pn-10 350 x 350 x 150 mm dia , item no 3 : supply of c . i . mechanical compression collar coupling suitable for c . i . spun pipes ( as per - is - 1536 /2001 ) and complete with sealing rubber gasket of sbr , . c . i . follower glands and m . s . nut bolts . the whole assembly should be mechanically and