Electro-Mechanical works to be executed at water supply scheme Kachipora Bagathpora (Stage 1st and Stage 2nd) under NABARD.

WSS Kachipora Bagathpora (Part-A)

Supply, Installation, Testing & Commissioning of Openwell Horizontal Submersible Pumping Unit as per IS 14220 with latest amendments having the specification as under:- PUMP: Discharge = 1045 LPM Head = 56 m 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 / Bronze/ chrome 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: Non Return Valve of the suitable size provided above the pump discharge case. MOTOR:- Method of starting = Star – Delta Speed = 2900 (Sync). Frequency = 50 ± 3 % Hz Working Voltage = 380 -415 ± 15% V, 03 phase Efficiency = As per IS 9283 (2013) with latest amendments. Rating = Not less than 20HP Class of insulation = F/ B Submersible motor should be water filled, water lubricated squirrel cage type, 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 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 column 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 dugwell 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 .

Supply, Installation, Testing & Commissioning of Submersible Pumping Unit as per IS 8034 with latest amendments having the specification as under:- PUMP: Discharge = 900 LPM Head = 74 m 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 / Bronze/ chrome 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: Non Return Valve of the suitable size provided above the pump discharge case. MOTOR:- Method of starting = Star – Delta Speed = 2900 (Sync). Frequency = 50 ± 3 % Hz Working Voltage =380 -415 ± 15% V, 03 phase Efficiency = As per IS 9283 (2013) with latest amendments. Rating = Not less than 20HP Class of insulation = F/ B Submersible motor should be water filled, water lubricated squirrel cage type, 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 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 column 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 dugwell 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 .

Fabrication, providing, fitting and lowering of 'B' class column pipe conforming to IS: 1239 of length 10 Rft into the 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 pipes and 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 labors, 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 cable slots in each flange. Any modification to the column pipes /flanges required during lowering is included in the job. Size : DN 100 mm

Carriage, laying & fitting of Departmental Pipe (rising main), excluding cost of pipe & earth work with following description: a) Providing, fitting and welding of M.S Flanges (DN:125mm) conforming to BIS 6392/1997 Table 17 (Rating PN16). The job includes cutting of threaded portion of the pipe from both sides and welding flanges to the newly formed plane ends. The flange welding shall be carried out in double layers using reputed make electrodes to form strong welding joint. DC Arc Welding using welding electrode having diameter not less than 4mm. b) Providing and fitting of galvanized nuts and bolts as per IS:1363 Part 1st, RI Gaskets as per IS: (638/79). c) Carriage of 125 mm dia. B-class G.I. Departmental pipe from Qazigund divisional store to dumping site and then to work site. Job includes cost on account of transportation, loading, unloading, stacking etc. d) Laying & fitting of flanged pipe. Flanged joints are required to be made leak proof by using R.I gaskets of suitable thickness between the joints to make them leak proof. Job also includes all necessary labour work, tools and tackles for completing the job in all manners. Size: DN 125 mm

Earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: All kinds of soil- 1m from cutting edge.

Earth work in excavation by hydralic means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: All kinds of soil- 1m from cutting edge.

Filling available excavated earth in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by reaming and watering, lead upto 50 m and lift upto 1.5m.

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 job includes the cost of required size of nuts and bolts.

Fabrication, Providing and fitting of 90-120 degree bend/elbow to be fabricated out of Class C GI pipe with M.S Flanges conforming to BIS 6392/1997 Table 17 (Rating PN16) fastened with welded jointson three ends. The job includes nuts, bolts, gaskets etc complete. Size : DN 100 mm