maintenance and repair To Water Supply Scheme At Ransai....Annual Maintenance Contract Of Water Supply Rising Main Pipeline From Wtp Ransai To Ongc-2 Item No.01 Daily watch and ward of 900 mm dia and 600mm dia M.S. pure water rising main pipelines from Ransai Dam To ONGC, NAD etc. completed. 3 Item No.02 Job work for welding the pin hole leakages on 900 mm /600 mm dia M.S. rising main by removing the applied clamp , welding the pin hole with required size M.S. plate including D.G. set , welder , welding rods, gas cutter set , gas lanterns if required during night hours etc. complete. 4 Item No.03 Job work for attending shutdown and breakdown on 900 mm /600 mm dia M.S. rising main from WTP to ONGC by welding with required size M.S. plate including all labours, materials, tools etc. completed . 5 Item No.04 Supply of Excavator (JCB JS 80 ) on Hire basis with Operator and Fuel. (Rates excluding GST)4.1 Supply of Excavator (JCB JS 80 ) on Hire basis with Operator and Fuel. (Rates excluding GST) 6 4.2Supply of Hydraulic Excavator (BEML BE 200, Tata Hitachi EX200 or equivalent) on Hire basis with Operator and Fuel. (Rates excluding GST) 7 4.3Supply of Crane 20 MT capacity on Rent basis with Operator and Fuel for machinery. (Rates excluding GST) 8 Item No.05 Providing, constructing coffer dam in river basin / dam storages as per type design including excavation, filling the middle portion with B.C. soil (in gunny bags if required). Providing impervious / semipervious materials on both sides of B.C. soil (in gunny bags if required) including ramming, compacting to the satisfaction of Engineer-in-charge till the completion of work including dismantling coffer dam after completion of works and disposing off the material as directed by the Engineer-in-charge. Note : Pay line maximum. Top width payable shall be 2 Mtr. and maximum payable side slopes shall be 1.5 horizontal to 1 vertical, if the constructed top width of the side slopes are less, then the measurements at actual are payable. Extra top width or flat slopes are not payable. Contractor is free to use ballies, plastic sheets, piles, pipes, CGI sheets for supporting hearting materials instead of impervious/ semi-pervious hearting materials for which no extra payments shall be payable. 30% payment shall be withheld for dismantling of coffer dam. This foot note shall appear in tender condition. (Type section is shown on last page of type design section of CSR). 9 Item No.06 Supply of various sizes nut bolts along with required washers etc. complete for day to day maintennce. 10 Item No.07 supplying and erecting Neoprene rubber gasket for air valve ball of 200 mm dia. Suitable for 200 mm dia. Air valve as per sample of shore hardness 65-75. 11 Item No.08 supplying & erecting 8 mm thick rubber packing for air valve ,tail pieces & washout valve on pipeline during maintenance etc. 12 Item No.09 Supplying & erecting good ebonite coated rubber balls of 150 mm dia. As per old sample suitable for 200 mm dia. Air valve of shore hardness 90-95 with acid and alkali resistant etc. 13 Item No.10 Manufacturing, providing and supplying spirally welded / ERW/ SAW / fabricated M. S. pipes (Commercial Quality) including procurements of plates, gas cutting to required size rolling, tack welding assembling in suitable lengths to form pipes,10.1 Dia of Pipe : 600.00 mm (I. D.) Thickness of pipe : 2) 6.00 mm. 14 10.2 Dia of Pipe : 900.00 mm (I. D.)Thickness of pipe : 10.00mm. 15 Item No.11 External Coating Providing and applying 100% Solids Polyurethane Coating meeting BIS16719 & Rigid, Directto Metal,100% Solids Polyurethane Coating meeting AWWA C- 222 of minimum 1000 micron thickness on the external surface of MS Pipe after blast cleaning to SA 2½ with Anchor profile of >75Microns using angular Steel Grit. Pipe blast cleaning and coating shall only be permitted in the pipe manufacturer’s facility, preferably on rolling conveyor using fast set materials. The rates are including loading, unloading, handling and transportation of Pipe etc complete. Note: Product shall be supplied and applied as per detailed specification provided by the department. 16 Item No.12 Gas cutting (either square cut or V cut) pipes, plates, etc. of thickness12.1 . ii) Above 5 mm. Upto 10 mm. 17 Item No. 12.2 iii) Above 10 mm. Upto 14 mm. 18 Item No.13 Lowering, laying in position to correct line and level including M. S. pipes with / without any outcoating on pedestals or chairs upon prepared formation.13.1 5 mm to 8 mm thick iii)) Above 500 mm. Upto 750 mm. dia. 19 13.2 iv)) Above 750 mm. Upto 1000 mm. dia. 20 Item No.14 Welding in all positions with required number of runs, for M. S. pipes internally and / or externally including gauging wherever necessary, fixing appurtenances and other accessories in connection with pipe laying work as per specification. 14.1 6 mm. 21 14.210 mm. 22 Item No.15 Excavation for foundation in earth, soil of all types, sand, gravel and soft murum, including removing the excavated material up to a distance of 50 m. beyond the building area and stacking and spreading as directed, dewatering, preparing the bed for the foundation and necessary back filling, ramming, watering including shoring and strutting etc. complete. (Lift upto 0.00 to 1.50 m.) By Manual Means 23 Item No.16 Clearing grass and removal of rubbish up to a distance of 50 metres outside the periphery of the area . 24 Item No.17 Providing & Fixing Water meter 40 mm diameter 25 Item No.18 Providing & Fixing Water meter 25 mm diameter 26 Item No. 19 Providing & Fixing water meter 15 mm diameter 27 Item No.20 Providing and fixing in position TMT - FE - 500 bar reinforcement of various diameters for R.C.C. pile caps, footings, foundations, slabs, beams columns, canopies, staircase, newels, chajjas, lintels pardis, copings, fins, arches etc. as per detailed designs, drawings and schedules. including cutting, bending, hooking the bars, binding with wires or tack welding and supporting as required complete. 28 Item No.21 Providing and laying in situ Cement Concrete M-15 of trap/ granite / quartzite / gneiss metal for foundation and bedding including bailing out water, form work, compaction, curing, etc. complete.21.1 (Cement 5.90 bags / cum) Spec. No. - Bd E /1 Page No. 287 and B-7, Page No. 38 2) In PCC M-150 29 Item No.22 Credit for Dismantled MaterialItem No.22.1 H.G. / M.S. / G.I. Materials / Poles etc.
