Supply, Installation, Testing And Commissioning Of Electro-Mechanical Equipments For Wss Apparpora Balhama Under ( Jjm ) Of Jal Shakti ( Phe ) Mechanical Rural Division Balgarden Srinagar- 1 Supply, Installation, Testing & Commissioning of Submersible Pumping Unit as per IS 8034 with following specification are as under:PUMP:Efficiency= Not less than 50% Speed =2900 RpmType of pump = Mixed flow. Type of fluid to be handled= Clear Water Discharge: 8000GPHhEAD: 70MTRMATERIAL 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:-Method ofstarting = Star – Delta Speed = 3000 (Sync).Frequency = 50 ± 3 % HzWorking Voltage = 380-415 ± 15% V, 03 phase Efficiency = Not less than 90%Rating = Suitable for above parameters not less than 10HPClass of insulation = F/Suitable for above parametersSubmersible motor should be water filled ,water lubricated squirrel cage type 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 includesproviding and fittingof interlocking arrangement against 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 for 80 mm diameter column pipe as per site requirement. The threaded portion shouldbeasper sizeof pumpingoutlet 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 pumpingequipment is compulsory and pumping unit is to be approved fromthe concerned Sub Divisional office before procuring. 2 Fabrication, providing, fitting and lowering of BClass column pipe 80mm NB conforming to IS: 1239 of length 10 Rft into the 250 mm casing dia. production well up to the desired depth; The job includes Providing and welding of flanges conforming to IS: 6392, Table-17 and PN 16 to these pipesand welding of flanges in two layers to make the flanged joint strong and leak proof. The pipe of 10 ft length is to be weld on both sides with flanges using welding rod of reputed make. The job includes all types of skilled labours, arrangement of power supply/ diesel Generator set etc required for the job including P/F of suitable size nuts bolts and R.I Gasket in the flanged joints of column pipes. The job further includes cutting of 2 no. rectangular cableslots in each flange. 3 Fabrication, providing and fitting of split type MS clamps 10 mm thick, 2 ft long and 3 inch wide for lowering and holding of pumping unit fitted. The jobincludes the cost of required size of nuts and bolts. 4 Fabrication ,Providing and fitting of 80mm, 90-120 degree bend/elbow to be fabricated out of Class B and C GI pipe, 1 m length and flanged on both ends a to make it leak proof. The flanges shall be M.S Flanges conforming to BIS 6392/1997 Table 17 (Rating PN16) and welded on both sides. The jobincludes nuts, bolts, gaskets etc as per site requirement. 5 Fabrication, providing and fitting of washout Tee with arm length 1.2 feet each. The Tee shall be fabricated out of G.I C-class pipe with M.S Flanges conforming to BIS 6392/1997 Table 17 (Rating PN16) fastened with weldjoints on three ends. The size of the Tee is given Below:Dia. of pipe: 80mm 6 Providing and fitting of Ductile Iron double flanged, Slanted seat swing check valve( NRV) 80mm as per IS 5312. The body shall be of ductile cast iron with fully encapsulated vulcanized EPDM rubber(Approvedfordrinkingwater).The valve shall be compatibleforburiedapplicationsandshallbesafetoinstall in both horizontal and vertical positions.It shall have electrostatic epoxy coating (approved for drinking water) both inside and outside of the valve.Cost on account of Nuts, bolts, gaskets, etc required for the job is included in the scope of work.The job includes providing and fitting of02nos.M.Sflangesperfectly adaptable to the inbuilt flanges of the valve which shall be fittedwithRising main of the pumping unit atappropriatespotsaspersiterequirement.The job includes the cost on account of P/F of nuts, bolts and gasket required forthe job. 7 Providing and fitting of, Ductile Iron double flanged, non-rising spindle soft seated glandless gate/ sluice valves 80mm as per IS14846 for regulating the water supply outside the pumping units .The body and bonnent of the valve shall be of ductile iron, wedge with fully vulcanized EPDM rubber(Approved for drinking water) and NBR seal. The Gate/Sluice valveshallbecompatibleforburiedapplicationsandshallbe safe to install in both horizontal and vertical positionsIt shall have electrostatic epoxy coating(approved for drinking water)both inside and outside of the valve. The valve shall be supplied along with hand wheel.Cost on account of Nuts, bolts, gaskets, etc required for the job is included in the scope of work.The job includes providing and fitting of02nos.M.Sflangesperfectly adaptable to the inbuilt flanges of the valve which shallbe fittedwithrising main of the pumping unit atappropriatespotsaspersiterequirement.The job includes the cost on account of P/F of nuts, bolts and gasket required forthe job. 8 Fabrication of gantry mechanism by way of providing Structural steel in built up sections , trusses and framed work, including cutting , hoisting , fixing in position and applying a priming coat of approved steel primer all complete Welded The job also includes painting of complete Structure in one coat of red oxide and 02 coats of enamel metal paint.Vertical Posts=ISMC 200 No. of vertical posts=02 Nos. Vertical channel section each post =02 Nos (seam welded face to face). vertical post bracing=ISMC 100 Sole / Matching plates=500x300x12 thickHeight of vertical posts=5 M size of vertical post concrete blocks=600x600x900 mm(Depth) Concrete grade=M20 welding Electrode= Overcord SS of Adore/ESAB/L&T/Advani Monorail Section=ISHB 250 length of monorail=5M Steel Detail :ISMC 200i 5Mx2x2=20 M @ 22.3kg/m = 446 kgIiISMC100 0.25Mx8x2x2=8 M@ 9.2kg/m = 73.60 kgiiiPlate 0.500x0.300x8 (12mmthk)=1.20 M²(12thk) = 112.80 kgivMonorail 5 M @ 51.4 kg/M ISHB250=257kgsv Bolts/Nuts(L.S)=30kgs Total=919.4 Kg say 920 Kg. 9 Supply, Installation and testing of motorized chainhoistwithhooksuspensionalong travelling trolley of proper specifications having following features The chain hoist shall also have the following characteristics:-Motor: The basic drive of the hoist be provided with 3 phase squired cage totally enclosed induction motor having a high starting torque with class “F” insulation. The make of the motor be NGEF / SEIMNS / GEC/ Crompton and conform to IS : 325 (RPM-1500)Brake: The hoist shall have instant action, Fail tosafeelectromagneticdisc brake mounted on the end of the motor to ensureminimumsafetyand reliability when the load is held in its position as soon as the supply to the motor is switched off internally or accidentally. The adjustment & maintenance of break shall be quick and simple.Gears: The hoist shallhaveprecisioncutsuperandhelicalgearsmadeof alloy steel mounted on bearings and housed in a dust proof gear box. The lubrication of gears be of high viscosity andtemperatureforlongerlifeof gears.Load Chain: The load chain be made of high tensile alloy steel having wear resistance and greatest mobility. The chain should be accurately collaborated, tested and have adequate in built factor of safety for safer operation.Load chain wheel: Specially designed, perfectly machined wheel providing correct grip of load chain made of malleable cast iron makes the hoist most safe and reliable against any failure.Lifting Hook: The lifting hook shall be forged with provision for free swiveling. Limit Switch: The limit switch shall have snap action,shunttypeprevent over hoisting or over lowering to ensure maximum safety of operation.Control: The unit shall be controlled by heavydutyairbreakdirection reversing type contractorsandelectricallyinter–lockedforsafety. Contactors relay, fuses, low voltage transformer befittedforcontrolvoltage and are to be housed in fabricated / pressed sheet steel box dust proof.Push button pendent: The contactors shall be operated by a pendent push button station suspended from hoist by a rope / dog chain to prevent any damage to the pendent cable and for easy operation.Test: The hoist supplied is to be tested at 25% overload and thetest certificate of the same be provided at the time of installation. The complete unit as specified above is required to be fitted / tested at site.Besides the above works the job Includes Providing and fitting 3-Core 6 sq. mm ,50 m submersible cable for providing power supply to motor of chain Hoist including P/F protection device of suitable capacity. The mainspecifications of the chain Hoist are given below:Make = reputed make Capacity = 3 tonHoisting speed = 2.4 M/MinHoist motor H.P = as per requirementNo. Of chain falls = 4Min. Height of lift = 6 M 10 Providing and carriage of Tool sets comprising of following items as mentioned below, for day today maintenance of Electro-Mechanical equipment’s installedwater supply scheme. The job shall include cost on account of carriage/transportation of tool set at water supply scheme. The tools are to be provided in a strong tool box with key and lock mention below of reputed IS makei. Open end Spanner of Size (4/5 to 30/32) (01 complete set)ii. Ring Type Spanner of Size (4/5 to 30/32) (01 complete set)iii. Pliers, 9 inch: (01 No)iv. Nose Pliers 9 inch: (01No)v.Screw Driver 12 inch & 06 Inch:( 01 No Each)vi.Hammer with wooden handle, I Kg (01 No)vii.Pipe Wrench 12 inch: (01 No) 11 Gravel Hooper: Providing, fabricating and fitting of gravel hooper fabricated out of Angle Iron ISA 50X50X5mm and M.S Plates Chequered plates 8mm sheeting all over all the five sides including cover at top and excluding bottom side of size 3´x3´ from top and2´x2´ at bottom having 3´ depth(frustum type). The top cover is to be split into two parts with making/cutting of circular hole having overall diameter of 12 inches and hinged with the two sides of the hooper by way of required size of moveable hinges with locking arrangement at the top of the Hooper. The job includes earthwork excavation from the top of the well casing/flooring upto the ground level for making of gravel pit to accomodate gravel hooper. the job includes all the head loads and lifts. 12 Fabrication, Providing and fitting of Modular motor control panel of appropriate size fabricated out of 14 SWG sheet having required openings/vents and protection Class : IP-55 & fitted with accessories as under:Bus bar Chamber: The bus bar chamber shall be fitted at the top of the panel horizontally throughout the length. There shall be 3 Nos. of phase bus bar and 1 No neutral bus bar and 1 No earthing bus bar. The bus bars shall be air insulated and made-up of high conductivity COPPER with current density of suitable rating for 200 Ampere. All panel compartments shall be provided with suitable cable alley and vertical bus bar alley. Suitable segregation shall be provided in between bus bar chamber and adjoining compartments. The bus bar shall be PVC sleeved with color strips of red, yellow, blue and black and the same be arranged in accordance with IS-375 specs. Electrical clearances shall be maintained between phases, neutral and body as per standards.Main Circuit Breaker (Incomer MCCB): Qty. = 02 Nos No. of poles = 4 Pole Current Rating:200-320Amp. Rated operational voltage = 415 V + 15 % Rated frequency = 50+/-3%Hz Ambient temperature = 40C° Ultimate S.C Breaking Cap. at (415V AC, 50 Hz) = 50KA Type of release = Thermal-Magnetic Overload protection = 0.8 – 1×ln adjustable Short-circuit protection = 6-10×ln adjustable.Current rating = 400Amp Change over Switch: Qty. = 01 No. Rating = 400Amp Type = Front operated, on load, 4 pole, 400 +15%V, 50 + 3%Hz.Motor Back-up Protection MCCB: Qnty = 2 No. of Poles = 3P Current Rating= 160-200 Amp Rated operational voltage = 415 V +15 % 36KA Rated frequency = 50 + 3% Hz Ambient temperature = 40C° Ultimate S.C Breaking Cap. at (415V AC, 50 Hz) = 36KA Current rating = 200 A Submersible starters:-= Fully automatic star delta starters.Power Specs = 3 ?, 415 + 15% V, 50 + 3 % Hz. Relay range = 28-42A (MU G 20) Coil Voltage = 380 v Protection = single phasing , phase Reversal, phase unbalance (55 ± 5 V) , Rated insulation voltage = 690V Terminal capacity = 120 Sq. mm with lug Or above Conformity to standard = IS/IES 60947-4-1Qty. = 2 No’s Auxiliary MCCB for Heating/Lighting:CircuitBreaker = MCCB (Outgoing) Qty. = 1 No.No. of poles = 4PCurrent Rating = 32Amp. Rated operational voltage = 415 V + 15 % Ultimate S.C Breaking Cap.at (415V AC, 50 Hz) = 36KAMotor Protection Relay:Digital Motor Protection Relay with LCD Display for 3-phase supply with following protections suitable for the Modular Control Panel:- Protections = ThermalOverload with pre-alarm,Short Circuit, Phase Loss, Unbalance, Phase reversal, Under Current, Prolong starting, Locked Rotor & Earth fault. And over currentQty.= 02 No’s (01 No. for each starter)h. M-power module for mobile starter for submersible motor 1P/3P 3 wire Quantity – 02 no.IVRS Languages – English , Hindi, Suitable Region- North IndiaThe panel shall be provided with phase indicators (03 N0) and digital ammeter of range 0-60 A, digital voltmeter of range 0-500 V, and digital frequency meter (01 No each). The enclosure of the panel shall be of excellent fit and finish, corrosion resistant and powder coated gliding hinges for smooth and noiseless movement of windows and advanced locking arrangements. 13 Providing, fitting, testing and commissioning of 40KVA voltage stabilizer as per specifications below:Type of voltage controller: Manually operated copper wound, 3-phase, AC power supply multi step.Type of Regulator : Double plate type with electrolytic copper contacts. Input voltage : 150 volts.(3 phase)Capacity: 40KVA 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 levelindicatorgaugepreferablyglass 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 to be provided and filled up to top level, with dielectric strength of 5 KV at 4mm 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. 14 Providing and Fitting of35sq mm XLPE, 1.1KV and 11KV grade copper single core Cable conforming toIS:7098 part 1st as service line from the HT transformer to MCCB and then from MCCB to control panel including necessary thimbling, crimping, taping etc.The job also includes P/F of copperthimbles of various sizes as per size requirement including crimping and taping. 15 Providing and fitting of 16 Sq.mm 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 Equipment. The cable connection terminals shall be fitted with copper thimbles of required size. 16 P/I of earthing station for electric substation,LTpanelandstabilizer comprising of company fabricated earthing electrode as per IS: 3043. The job includes Auguring of bore of required dia/depth for installation of electrode along with backfill compound mixed with soil and all other itemsrequired thereof for achieving the best result. The job includes connecting of electric gadgets through GI strip as per relevant standards.Safe earthing electrode size : 80 mm dia , Length : 2000 mmBack fill compound : 30 kg 17 Providing, laying and connection of 2CX10MM² FLAT, pvc sheathed copper, Armoured cable forconnectingof high mast pole to the stabilizer.The job includes underground laying or overcharging as per requirement and directions of site incharge.(Reputed make) 18 Supply, installation, Testing & commissioning of 1000VA Full Sine wave power inverter including Providing / Installation of 12V, 180AH Automotive inverter Battery with trolley and cover. with 2-core 4 mm2 Cu ( 25 m) wiring as per site requirement along withotheraccessorieslikeSS-Combine(02 No’s), 3-pin plugs etc of reputed make for proper fitment and installation of the item. 19 Providing, laying & fixing with adhesive/bonding material of insulation rubber mats on the floor of the pump house, covering area around electro- mechanical machinery for safeguarding the life & limb of the workmen due to possible leakage of current & short circuit. The floor surface shall be made good & shall be free from dust, grease, foreign material & moisture free. The mats shall be as per IS 15652:2006 & shall have the following specifications:Composition: Rubber (synthetic mats for electrical purpose) Thickness: - 2.5mm Size: - 1M wide. The rubber mats shall be accepted with manufacturers test certificate. 20 Supply , installation , commissioning and creation of pole mounted, outdoor type 63kvacapacitylevel-2 Electric Sub Station as per the technical specifications given here under-Specifications conforming to IS: 1180 (Part 1) 2014 with latest amendments. Type: HT/LT TransformerType of cooling: ONAN. Operating conditions:Input =11000 voltsOutput =433 volts AC supply in 3- phase. Terminals:Input=3 No. HT bush rods with insulators, washer, nuts etc. Output=4 No. LT bush rods switch insulators, washers, nuts etc.Core: The core shall be of high permeability to reduce corelossesandthe strips shall be of suitable size and gauge.Transformer Coils:Suitable number ofHT and LT coils in each leg ofthe core. The transformer coils shall be fabricated out of superior quality aluminum wire/strips, properly wound. The HT transformer is completely filled with suitable grade transformer oil up to required level. The job includes carriage, and all leads and lifts involved.The HT transformer shallbeofreputed makefroman ISO certifiedcompany as per relevant standards and a test certificate shall be provided before installation. The transformer shall also beprovidedwithbreatherfillwith silica jel crystals, conservator with oil level indicator,explosionvetand adequate radiator fins/ Tubes. The impedance of transformer shall be as per IS: 1180 (Part 1) 2014 with latest amendments.NOTE: The scope of the work shall include obtaining of necessaryinspection/clearance certificate from the concerned department for all the required equipment. The testing and commissioning shall be completed onlyafter obtaining above certificate. 21 a) Providing of good quality bedding for night stay/Shift consisting of: -i) Mattress with warm cover size 6x3 (6Kg)- 02 No’sii) Quilt with warm cover size 5x8 (6Kg)- 02 No’siii) Pillows with covers - 02 No’siv) Single bed warm blankets with one sided Fur- 02 No’sThe filling material for mattress, quilt and pillow shall be of goodquality cottonb) The job also includes providing of pressure cooker 5ltr (02 No’s), Steel patella (utensil) 5ltrs (02 No’s), cooking heater 01 No., room heater 01 No., steel buckets 10 litre capacity(01 No.), Plastic bucket 10 litre capacity with Mug (02 No’s) each, steel glasses 06 No’s, steel Plates with large spoons and bowls 03 No’s each, Cup and Saucer set (01 No. Set) and, 5kg Gas cylinder with burner/ stove. The job also includes providing of thermo- cool 15’x12’ along with excel matting of 15’x12’ size. The job also includes providing of unbreakable Plastic Chair table set consisting of chairs 04 No’s, extra heavy Table 01 No. The job also includes providing of good quality safety Door locks (03 No’s) of Godrej, Link locks. 22 Fabrication of 6’ x 6’ angle iron bed (02 NO.S) by way of providing and fitting of Structural steel in built up sections , trusses and framed work, including cutting , hoisting , fixing in position and applying a priming coat of approved steel primer all complete welded 23 Supply, installation of 6 kg CO2 type fire extinguisher manufactured as per IS: 15683 of 2006 with IS mark and comply with DGMS (Approval). The co2 extinguisher should be suitable for class B & C fire and also for fire involving electrical equipment. The cylinder used for fire extinguisher shall be approved by petroleum and explosive safety organization (PESO) as per gas cylinder rules 2004 and as per IS: 7285 of 2004. The body should bemadeof seamless steel (manganese) confirming to IS: 7285 with IS mark and should be provided with squeeze grip nozzle and should be filled with co2 confirming to IS: 15222 of 2002 with certificate.The extinguisher shall be provided with manufactures test certificate and hydraulic test certificate by BIS from PESO. 24 Providing and fitting of MCCB under following specifications:Type: DN2-250DThermal Release Range: 150-400ABreaking Capacity at 415V,50 hz:36KANo. of poles: 04 The MCCB has to be fitted between HT Transformer and control pannel near HT Transformer by fixtures as per site requirement. The MCCB should be housed in metallic enclosure for preventing moisture.
