Repair, replacement and maintenance of water supply system, unserviceable and corroded GI/DI pipelines & allied works, supply & distribution pipelines of SWT including allied works for water supply installations 54 ASP at AF Station Gurgaon under GE (AF) Gurgaon No.1; 2 Excavation in trenches hard/dence not exc 1.5 mtr wide and not exc 1.5 mtr in depth (for taking up or laying of pipes/cables) and getting out and forming bottom surface to gradient complete all as specified and as directed. 3 Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed. 4 Removing excavated surplus soils to a distance n.exc 50 m and deposited at a level n.exc 1.5 m above the starting point complete all as specified and as directed. 5 M&L for takingdown/out unserviceable GI/CI/DI water mainsfixed at roof/wall floor/trenches and including disconnecting complete all as specified of following sizes :- 6 15 mm bore 7 20 mm bore 8 25 mm bore 9 40 or 50 mm bore 10 80 mm bore 11 100 mm bore 12 150 mm bore 13 M&L for refixing old serviceable steel tubing and connection in new or old position fixed at wall/under floor/in trenches using new GI fittings such as socket, tee,elbow,reducer, union etc complete all as specified and as directed by Engr-in-Charge of following sizes:- 14 15 mm bore 15 20 mm bore 16 25 mm bore 17 40 or 50 mm bore 18 S&F GI pipe medium grade laid in trenches or on floor/ wallincluding jointing, testingand fittingetc complete all as specified fo the following sizes:-(Excavation and earth work will be measured and paid seperataly) 19 15 mm bore 20 20 mm bore 21 25 mm bore 22 40 mm bore 23 50 mm bore 24 80 mm bore 25 100 mm bore 26 Screwing in position existing GI/CI/DI for alteration or addition ( or lengthning screw on pipe to form connector) of size as under 27 15 mm bore 28 20 mm bore 29 25 mm bore 30 40 or 50 mm bore 31 Supplying and fixingin repair Gun - metal globe or gate valves, with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and directed by Engr-in-charge of following sizes;- 32 20 mm bore 33 25 mm bore 34 40 mm bore 35 50 mm bore 36 M&L for cast iron fitting such as Bends, tapers, tee pieces(singe & double bruches) any type and angle/radius and straight connection pieces for water mains upto 150 mmcomplete all as specified (Excavation and earth work will be measured and paid seperataly) 37 M&L for cast iron pipe with spigot and sockets ends centrafugally cast, Class LA, in any length , laid in trenches including takingout old CI water main by disconnecting/buring old joints completeall as specified of the following sizes (Excavation andearth work will be measured and paid separately) 38 80 mm bore 39 100 mm bore 40 150 mm bore 41 Repairs to leakage run lead joint in positionCI/DI pipes by burning out existing joints, recoering lead, cleaning internal surfaces of socket and providing new joints with using recovered lead additional new lead, making joint leak proof complete all as specified of following sizes (Excavation andearth work will be measured and paid separately). 42 80 mm bore 43 100 mm bore 44 150 mm bore 45 Repairs to leakage run rubber gasket joint for following sizesflanged pipes and fittings including necessary fittings such as bolts, nuts, washers,white lead or mineral oil complete all as specified and directed by Engineer-in-charge. 46 80 mm bore 47 100 mm bore 48 150 mm bore 49 M&L for rectifying leakage of GI pipe line including excavation in mud (not exc 0.7m x0.7mx0.7m) and making arrangement for dewatering by using electric/diesel pump/manual additional labour, taking out existing joint and makingjoint including providing all GI fittings i.e. socket, tee, elbow , nipples upto 6 length,GI unions,Reducer (Except GI pipes)complete all as directed for following size of pipe lines:- 50 80 mm bore. 51 50 mm bore. 52 32 to 40 mm bore. 53 25 mm bore. 54 20 mm bore. 55 15 mm bore. 56 Boring of holes under road, pavement,hard standing by trenchless technology using ultra sound technique and necessary machineincluding laying of GI pipe of 50/80 mm dia (Note : GI pipe will be measured and paid seperately) 57 Materialand labour for cutting of existing CI/GI pipe line of size 150mm/100mm dia bore (supply main) and making connection by inserting CI Tee/CI collar etc and connecting to new GI Pipe line 50mm dia complete all as specified and directed by Engineer-in-Charge.Note :- Run lead joint, excavation earth work, CI specials measured and paid for separately) 58 Supply and laying jointing and testingfor DI ductile iron pipe K-7 spigot and socketed type suitable for tightendjoint of size 80mm dia compelete, including taking down old CI/DI pipe line complete all as specified and as directed. 59 Material and labour for brick masonry valve pit of size90cms x 90cms x 90cms (internal dimensions of chamber) depth to be reckoned from the top of PCC foundation to top of MS cover as shown on drgs with MS sheet cover 3 mm thick including frame of angle iron 40mm x 40mm x 6mm with locking arrangement including painting two coatsof black synthetic enamel paint over a coat of red oxide primer etc including brick work in cement mortar 1:6 , 15mm thick plastering in cement mortar 1:4(Internal and external) and necessary excavation and earth work in any type of soil returning, filling in disposal of surplus spoilto a distance not exc. 50 metres, 15cm thick PCC 1:4:8type D-2 using 40 mm graded stone aggregate for base all as specified and shown in TD drawing. Note:- Note :- Drg for wall pit can be seen in office of Engr-in-Charge. 60 S&Fcast iron sluice valves ( ISI) marked with flanged ends drilled with iron wheel head with shut and open direction class PN - 1.6 confirming to IS - 14846/ 2000 incl rubber insertion packing ring with nuts bolts washer jointing material of size 150 mm diacomplete all as specified and directed by Engr-in-Charge. 61 S&Fcast iron sluice valves ( ISI) marked with flanged ends drilled with iron wheel head with shut and open direction class PN - 1.6 confirming to IS - 14846/ 2000 incl rubber insertion packing ring with nuts bolts washer jointing material of size 100 mm diacomplete all as specified and directed by Engr-in-Charge. 62 S&Fcast iron sluice valves ( ISI) marked with flanged ends drilled with iron wheel head with shut and open direction class PN - 1.6 confirming to IS - 14846/ 2000 incl rubber insertion packing ring with nuts bolts washer jointing material of size 80 mm dia complete all as specified and directed by Engr-in-Charge. 63 S&F CI non return sluice valve (ISI) marked includingrubber insertion packing ring with nuts bolts washer jointing material of size 80 mm dia complete all as specified and directed by Engr-in-Charge. 64 S & F CI non return sluice valve (ISI) marked includingrubber insertion packing ring with nuts bolts washer jointing material of size 100 mm dia complete all as specified and directed by Engr-in-Charge. 65 S & F CI non return sluice valve (ISI) marked includingrubber insertion packing ring with nuts bolts washer jointing material of size 150 mm dia complete all as specified and directed by Engr-in-Charge. 66 S&F cast iron air release valve with twin air outlet 80mm dia bore suitable to be fixed in 100 dia DI Pipe flanged ends with flanged pipes 80mm dia of suitable length rubber insertion packing rungs nuts washers and jointing materialof 100 mm dia. complete all as specified and directed by Engr-in-Charge. 67 M&L for writing work on RCC overhead tank at an height of not more than 4 mtr with synthetic enamel paint of black colourin bold letters of sizeheight of letter/digit 20cm and wide as per lettering practice. all as directed byEngineer - in- charge incl prepration of surface, white painting of surface approximately 3 sq mtr. matter of writing such as (A) Date of cleaning with date in Digit,(B) capacity of Tank with capacity in Digits,(C)Location of Tanketc complete all as specified and directed by Engr-in-Charge. 68 M&L for cleaning of RCC over head tank of 25000/35000 gallon capacity at 50 feet staging byremoving all deposite materials like sand etc, washing of side walls, scraping with iron brush to remove all type of scales, filling up cavaties by cement motar 1:1, washing of inner dome walls with bleaching powder before painting with lime, 2 coats including marking the date of cleaning on the tank withblack synthetic enamel paints complete all as speciied and directed by Engr-in-Charge 69 M&L for cleaning of RCC over head tank of 50000/60000 gallon capacity at 50 feet staging byremoving all deposite materials like sand etc, washing of side walls, scraping with iron brush to remove all type of scales, filling up cavaties by cement motar 1:1, washing of inner dome walls with bleaching powder before painting with lime, 2 coats including marking the date of cleaning on the tank withblack synthetic enamel paints complete all as speciied and directed by Engr-in-Charge 70 M&L for cleaning of RCC under ground sumps tanl upto 50000 capacity atstaging byremoving all deposite materials like sand etc, washing of side walls, scraping with iron brush to remove all type of scales, filling up cavaties by cement motar 1:1, washing of inner dome walls with bleaching powder before painting with lime, 2 coats including marking the date of cleaning on the tank withblack synthetic enamel paints complete all as speciied and directed by Engr-in-Charge 71 Cleaning, grass cutting and removing of dust, raw materials of sourrounding area o water supply installation/ overhead tank,panels complete all as specified and directed. 72 Note:- The amount of Rs 180675/- against Schedule of Crediton Srl Page …... shall be deducted from the total amount quoted against Sch A
