Supply, Installation, Testing and Commissioning of 3 HP Single Phase Open Well Submersible Pumping Unit with allied works on Nalla Lar at Herpora Ratnipora.

Amount

Supply, Installation, Testing & Commissioning of 3 HP single phase Open Well Submersible Pumping Unit with DOL Panel as per IS 8034 with following specification are as under : PUMP : 2700GPH with 35 M Head Efficiency = Not less than 50% Speed = 2900 Rpm Type of pump = Mixed flow. Type of fluid to be handled = Clear Water MATERIAL OF CONSTRUCTION: Impeller = Stainless Steel Pump Shaft = Stainless Steel SS 410. 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 of the suitable size to be provided for above the pump discharge case. MOTOR:- Rating : Not less than 3HP Speed = 2900 (Sync). Frequency = 50 ± 3 % Hz Working Voltage = 180-220 ± 15% V, 01 phase Efficiency = Not less than 90% Note: Providing of test certificate and characteristic curve of pumping unit is compulsory and pumping unit is to be approved from the concerned sub division before procurement

Providing/supplying, fitting, testing and commissioning of 50 mm dia B class G.I pipe line including earth work excavation in rock and mud manually for laying of pipe line in trenches and as per gradient and site condition/requirement. The job includes fitting of off sets, bend, all leads and lifts involved in laying of pipes. The pipe shall be flanged rising Main at site. The Pipe shall be hot dip Galvanized, class B confirming to IS 1239. The job includes providing and fitting of 12 mm thick M.S flanges. The flanges shall be double welded both from inside and outside of the pipe using standard electrode of reputed make The flange welding shall be carried out in double layers using reputed make electrodes to form strong welding join . Nuts and Bolts (conforming to IS:1363 Part 1st Rubber Insertion Gaskets (conforming to IS: 638/79) to be used between flanged joints.

Fabrication, Providing and fitting of 50 mm M S bend with flanges on both sides to be fabricated out of G.I pipe. The flanges shall be 12 mm thick and welded on both sides. The job includes nuts, bolts, gaskets etc as per site requirement.

Providing and fitting of 300 mm in length GI reducer flanged on both sides to be fitted with the delivery manifold of submersible pumping unit to join with Y -junction. The welding of 12 mm thick flanges shall be carried out in double layers using reputed make electrodes from inside & outside of pipe to form strong welding joint. Size 40 mm - 50 mm Class: B

Fabrication, providing, fitting of wash out T with arm length 0.5 mtr each. 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 on three sides Size: 50 mm

Providing and fitting of 300mm in length GI reducer with 12 mm flanges on both sides, to join Rising-main with existing distribution system. The flange welding shall be carried out in double layers using reputed make electrodes from inside and outside of pipe to form strong welding joint. Size: 50mm - 65mm Class: B

Fabrication, Providing and fitting of Y- junction having 1m length of each arm to be fabricated out of hot dip galvanized G.I, B-Class pipe . The job also includes Providing and welding of M.S flanges to the ends of each arm. The flange welding shall be carried out in double layers using reputed make electrodes to form strong welding joint by dint of DC arc welding . The job further includes Providing and Fitting of nuts and bolts (conforming to IS:1363 Part 1st) and Rubber Insertion Gaskets (conforming to IS: 638/79) to be used between flanged joints. The size of the Y- junction is 50 mm

Providing and fitting of, 50 mm Ductile Iron double flanged, non-rising spindle soft seated glandless gate/ sluice valves 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 valve shall be compatible for buried applications and shall be safe to install in both horizontal and vertical positions It 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 of 02 nos. M.S flanges perfectly adaptable to the inbuilt flanges of the valve which shall be fitted with rising main of the pumping unit at appropriate spots as per site requirement. The job includes the cost on account of P/F of nuts, bolts and gasket required for the job.

Providing and fitting of 50 mm Ductile Iron double flanged, Slanted seat swing check valve( NRV) as per IS 5312. The body shall be of ductile cast iron with fully encapsulated vulcanized EPDM rubber(Approved for drinking water). The valve shall be compatible for buried applications and shall be safe to install 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 of 02 nos. M.S flanges perfectly adaptable to the inbuilt flanges of the valve which shall be fitted with Rising main of the pumping unit at ap;0propriate spots as per site requirement. The job includes the cost on account of P/F of nuts, bolts and gasket required for the job.

Providing, fitting, testing and commissioning of single phase25 KVA voltage stabilizer as per specifications below: Type of voltage controller: Manually operated copper wound, Single-phase, AC power supply multi step. Type of Regulator : Plate type with electrolytic copper contacts. Input voltage : 180-220 volts.( single phase) Output voltage : 220 ±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 cooled, Temp. Rise (Max) : 30°C above ambient, Mounting : On Uni-directional wheels. Duty cycle :100% continuous. Enclosure : MS sheet enclosure in pressed CGR Sheet powder coated with radiators. Load : Single 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 (0-300V) and set of neon indicators for incoming and outgoing phases (04 No’s). Insulating media (T. Oil) of 11 KVA grade to be provided and filled upto top 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..

P/F of 4mm Sq. Submersible cable conforming to IS: 694 (part 1st) – 1964 & IS: 694 (Part 2nd) – 1964 of reputed make for inter connections of electrical gadgets

Earth work in surface excavation not exceeding 30 cm in depth but exceeding 1.5 m in width as well as10 sq m on plan including disposal of excavated earth lead up to 50 meter and lift upto 1.5m, as directed by Engineer in-Charge. All kinds of soil :

Providing and laying of stone soling hand packed in horizontal including carriage of 06 Kms, leads, lifts etc.

Providing and laying of 6 inch PCC of 7.5 mix as mud mat including carriage, leads and lifts. 6’x6’x 3”=9 cft=0.25 cum

Providing and laying of P.C.C in 1:2:4 mix (1 cement: 2 coarse sand: 4 graded stone aggregate 6’x6’x 4”=12 cft=0.34 cum

Fabrication of CGI shed by way of providing and fitting of Structural steel work 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 (For CGI shed and support for pumping units)

Providing corrugated G. S. sheet roofing including vertical/curved surface fixed with polymer coated J or L hooks, bolts and nuts 8mm diameter with bitumen and G.I limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (upto any pitch in horizontal/vertical or curved surface)excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. 0.50 mm thick with zinc coating not less than 275 gram/

Fabrication, providing and fitting of angle iron panel board 3’x4’with 2’ height pedestal fabricated out of ISA 50x50 x5mm and covered with 19 mm thick ply board with following accessories including grouting. Circuit breaker 2 pole MCCB 63 Amp with breaking capacity 25 KA=02 no Digital Ampere meter=02 no size =72 mm sq. Range=0-50 Amp Digital Voltmeter=02 no size 72 mm sq Range 0-300 volts

M/S R. S. ELECTRICALS Prop ZAHOOR AHMAD BAZAZ