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| 1 | Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5m, as directed by Engineer-in-Charge.Ordinary Rock. |
| 2 | Carriage of material by mechanical transport including loading, unloading and staking of material Average distance 10 km Stone aggregate 40 mm nominal size and above |
| 3 | Hiring of hydraulic excavator/loader (JCB) alongwith driver for filling of Nallah Bajri into Sink hole and construction of approach road and removal of approach road at WSS Lariyar, the job also includes HSD Required for operation of hydraulic loader. |
| 4 | Hiring of Welder along with un-skilled labour, welding set, welding rods, gas cutter with cylinders and other cutting tools for carrying out welding and cutting at WSS Lariyar |
| 5 | Providing and fitting of new 415 ± 10 % Volt, 200 A, 3 pole off load change over Switch of Havells / Reputed make enclosed in sheet metal enclosureduly powder painted and vermin proof with front operated handle. The job includes testing of off laod change over switch at load. |
| 6 | Supplying of 100 ltrs HSD from nearest HSD filling to WSS Lariyar. The HSD is required for operation of D.G set, the job also includes handlingtransportation charges. |
| 7 | Providing and fitting of new 415 ± 10 % Volt, 200 A, 3 pole D-sine DN2-250 N MCCB of L&T/Reputed make With thermal/magnetic release having short circuit breaking capacity 50 KA. The job also includes testing of MCCB at load. |
| 8 | Fabrication, Providing and fitting of 90-120 degree bend/elbow to be fabricated out ofG.I pipe, 1 m length and flanged on both ends having flange thickness 12 mmto make it leak proof and welded on both sides. The job includes nuts, bolts, gaskets etc as per site requirement.Size : DN 80 |
| 9 | Supply, Installation, Testing & Commissioning of Submersible Pumping Unit as per IS 8034 with following specification are as under :PUMP :Discharge : 7000 GPH Head :70 MtrEfficiency= Not less than 50%Speed= 2900 RpmType of pump = Mixed flow.Type of fluid to be handled= Clear Water MATERIAL OF CONSTRUCTION:Impeller=Stainless SteelPump Shaft =StainlessSteelSS410.Pump Casing = Cast Iron/Stainless steel IMPELLER: Impeller is of the enclosed or semi – enclosed type and properly balanced. Enclosed Impellers equipped with seal rings on their hubs.COUPLING: A suitable coupling arrangement provided with pump set. Non Return Valve: Non Return Valve of the suitable size provided above the pump discharge case. MOTOR:-Rating: 12.50 HPMethod ofstarting = Star – Delta/DOL (as specified) Speed = 3000 (Sync).Frequency = 50 ± 3 % HzWorking Voltage = 380-415 ± 15% V, 03 phase Efficiency = Not less than 90%Class of insulation = F Submersible motor should be water filled water lubricated squirrel cagetype having capacity for above pumping parameters and working on 3 phase; AC supply ranging from 380 to 415 volts, 50Hz. The motor should be sealed by radial rings to avoid mixing of well water with motor filled water.a) The job includes providing and fitting of interlockingarrangementagainst any failure of coupling. It must be fabricated out of MS strips of suitable size and length.b) The job includes providing and fitting of appropriate size MS nipple 2 feet long threaded on one end and welded to same size MS flange of thickness (as per Table-17) at other end forcolumn pipe as per site requirement. The threaded portion should be as per size of pumping out let for proper fixing.The job includes providing and fitting of R. I. cloth joints/rubber washers with nuts, bolts and washers for all joints of column pipe. The job also includes lowering of pumping unit in the well then proper testing and commissioning of pumping unit on full load at site.Note: Providing of test certificate & Characteristic Curve of pumping equipment is compulsory and pumping unit is to be approved from the concerned Sub Divisional office before procuring.(Make KSB) |
| 10 | Providing, fitting, testing and commissioning of 30 KVA voltage stabilizer as per specifications below:Typeofvoltagecontroller: Manually operated copper wound, 3-phase, AC power supply multi step.Type of Regulator : Double plate type with electrolytic copper contacts. Input voltage : 250-400 volts.(3 phase)Output voltage : 400 ±10% volts.Frequency : 50 ±3 C/S.Windings : Electrolytic grade copper of adequate section, vacuum impregnated and Oven-dried.Insulation : Fiber glass insulations to tested parameters. Cooling: Naturally, Oil cooledTemp. Rise (Max) : 30°C above ambient Mounting : On Uni-directional wheels. Correction rate: 30 volts per step Wave form distortion : virtually nilDuty cycle : 100% continuous.Enclosure : MS sheet enclosure in pressed CGR Sheet powder coated with radiators.Core laminates : High grade, low eddy loss, grain oriented silicon steel laminations.Load : Three phase induction motor load. Load Amperes (continuous)Overload in 24-hours operation: 10% above continuous Ampere rating.The voltage stabilizer shall have T-oil level indicator gauge preferably glass type tube or otherwise visible to naked eye. The top of the container to have a display panel for housing 02 numbers Digital voltmeters (0-500V) along with 4-way selector switch and set of neon indicators for incoming and outgoing phases (06 No’s).Insulating media (T. Oil) of 11 KVA grade tobeprovidedandfilleduptotop level, with dielectric strength of 5 KV at 4m air gap. The T-Oil of specific grade should be provided in separate barrels and filled at site up to top level.The voltage Stabilizer shall be accepted with manufacturers dully stamped test certificate and shall have name plate with specifications. |
| 11 | Providing and fitting of 3-Core flat submersible copper cable conforming to IS: 694 (Part 1st) – 1964 & IS: 694 (Part 2nd) - 1964 for Submersible Pumping Unit and other electrical Equipments. The cable connections terminal shall be fitted with copper thimbles of required size. Size: 10 sq.mm |
| 12 | P/F of fully automaticMUG -20 H submersible pump controllerL&T make having specifications 415±10%V, 3-phase, 50 Hz, relay range 13-21 Amp. The job includes P/F of nut bolts, washers and fitting of same on panel board. The job includes minor wiring i.e. connecting of main incoming and outgoing connection leads duly crimped with copper thimbles and testing on full load at site. |
