Installation testing and commissioning of submersible pumping unit of capacity 15000 GPH x 91 Meters head along with LT control panel and allied works at tube well Municipal Park Gandhi Nagar Jammu complex under District Capex

Amount

Providing, Installation, Testing and Commissioning of Submersible pump set 15000 GPH X 91 meter head suitable for 300mm diameter casing pipe along with allied works at Tube Well Municipal Park , Gandhi Nagar Jammu. The pump bowl should be of close-grained cast iron with renewable wearing rings of bronze material. The pump shaft shall be of stainless steel guided with stainless steel distance sleeves /shaft protection sleeves provided with each bowl above and below the stainless-steel impeller. The coupling shall be of mesh type rigid sleeve of stainless steel, non-slipping type with matching groove and cotter arrangement to suite keyway provided. The suction case shall be of close grained cast iron material .The motor should be three phase AC supply having nominal speed of 2900 RPM, 415 Volts ± 5% of frequency 50 Hz + 3% and power rating of the motor shall be above the power consumed by the pump at duty point with next higher rating available as per standard size. The motor should be totally enclosed squirrel cage induction type, water cooled and sealed against outside water being pumped. The windings shall be wet type water lubricated and provided with metal tilting thrust pad designed to take up all untoward load to most unfavorable running conditions. The Acceptable Make Grundfos / Kirloskar/ KSB. The job further includes Fabrication of adapter Nipple approx. 1 meter long fabricated out of MS Pipe, of which bottom end diameter is to be reduced to the delivery of Sub. Pump and threading the Pipe for screwing into the delivery portion to the submersible pump and other end of the adapter nipple is welded with MS flange of required size fabricated out of MS Plate for fixing with the column pipe assembly. Fabrication of the tie rod clamping arrangement for clamping the pump and motor along with adopter nipple, fabricated out of 40x6 MS Flat as per required size. The upper ends of these flat should be welded with full threaded bolt 12mm Diameter and 10 cm long. These bolts are to be passed through the nuts welded on the adopter nipple piece, tightening of double nuts on both sides. The Job includes coupling of pump and motor properly checking of movement of the pump, tightening of the adopter nipple to the delivery side of the pump tightening of tie rod and testing of the pump set in the testing pit at workshop. Lowering of submersible pump set into the Tube well to the pump position approx. 31 meters. along with the column pipes of 150 mm diameter by using special tools and tackles viz chain pulley block, MS Clamp. The Job includes patching of the sub cable of motor by using patch rolls and insulation tape to make waterproof for lowering of sub pump unit. Testing of submersible pump set on full load by making connections of submersible cable of motor pump set with the panel and checking/high testing of all the electromechanical connections. The work should be completed in all respect. Complete job. Designing, fabrication, providing, installation, testing and commissioning of LT control panel for 50 HP submersible pump set installed at Tube well Vijay park. Job includes designing, fabrication, installation, testing and commissioning of LT control panel 415 volts, AC-3 Phase, 50 Hz. for submersible motor. The panel shall be dust and vermin proof fabricated out of 14/16 SWG CR Sheet supported on M.S. angle of size 3 feetx1 feetx3.5 feet with ground clearance of 8 inch for safety against water logging and provision for erection/fixing it on the ground/wall. The panel should be sturdy enough for vibration free operation and should be equipped with suitable locking/sealing arrangements. The structure should be provided suitable entry and exit holes for incoming and outgoing cables. The panel should be given two coats of anti-rust primer and two coats of steel grey enamel paint. The panel should have equipped with following components / features: 1) MCCB:- The panel should be fitted with an MCCB 200A (Three Phase Three Pole) - 01 no; Volt meter - 01 no; Ammeter along with a set of CT’s, 01 no VSS; 01 no ASS and a set of RYB indicators at incoming side. 2) Star Delta Starter:- The panel should be fitted with a fully automatic star delta starter comprises of Three Phase Three Pole 3 no air break contactors (02 no for main and delta supply, 01 no air break contactor for star operation) of suitable rating for the efficient operation of the motor; 01 no timer for change over the supply of motor from star to delta; 02 no push buttons for start and stop operation of motor; 01 no indicator; 01 no MCB 6 Amps. for the protection of internal control wiring and a neat and clean internal control wiring should be made with flexible copper cables to complete the star delta circuit of outgoing supply. 3) Protection device/fault analyzer: - A protections device/fault analyzer shall be fitted with the panel with capability to: a) Protect the motor by isolating the power supply of motor by de-energizing the starter/panel from following electro-mechanical faults which may otherwise damage the motor windings: i. Voltage related fault: - Single phasing, under voltage, over voltage, unbalance voltage. ii. Current related fault: - Over current/load, dry running, unbalance current / load, earth leakage, short circuiting. iii. Mechanical fault: Locked rotor, broken shaft. b) Display line current of RYB Phase and line voltage of RY and YB phase. c) Display and record trip counts and indicate trip status for overload, under load, single phase, unbalance, earth fault, over voltage, under voltage respectively. d) Analyze, display & records No. of operation & duration of motor running. 4) Bimetal overload relay: - A bimetal overload relay of suitable range should be fitted with in the starter as an extra protection to protect the motor in case of failure of fault analyzer with an isolation/bye pass switch to bypass the fault analyzer Complete job includes disconnecting of all electrical connections so that job may be executed smoothly. Removal of old installed panel and erection/fixing of new panel at suitable place in pump room and making of all electrical connection and testing of panel and all allied equipment’s on full load. Complete job includes cost of material used and manual labour, handling and fitting, shifting and carriage, charges of tools and tackles including the cost of miscellaneous item/parts used during execution of job Design Fabrication, Providing, Installation, Testing and Commissioning of 5 Ton Capacity Electrical Operated Chain Pulley at Municipal Park suitably designed for operation of raising/Lowering of Submersible pumping unit along with column assembly of following specifications: Electric Chain Hoist are designed as per ISI Spec. Capacity: 5 Ton Lift: Min 6 Mtrs No. Of Falls: 2 Hoisting Speed Mt/Min: 2m/min HP of the Motor: 3/5 HP Make: Indeff/Globe/ISI Make. CONSTRUCTION : Hoist should be of unique modular construction which makes them an ideal choice since each sub assembly is easily accessible individually, thus reducing the time and cost involved in the maintenance. FRAME: The Frame is of sturdy design, fabricated from tested steel plates and is welded/ bolted type. GEARBOX: Totally enclosed gear box with gears made from EN-9/EN-24 or equivalent, Steel and teethed on precision hobbing machines, hardened & tempered. The gears shall be self lubricant. ELECTRIC MOTOR: 3 Phase, 440 Volt A.C. 50 cycles, Squirrel cage Induction Motor, normally of SIEMENS/N.G.E.F. make/ ISI make/ Equivalent to used. LOAD HOIST CABLE: Conforms to IS standard, tested, calibrated and duly heat treated. BRAKE: Electro Magnetic disc brakes are incorporated to ensure maximum safety and reliability in operation. UNIT SWITCH: Snap action limits switches are used to prevent over hoisting and over lowering. CONTROL PANNEL: Totally enclosed dust and moisture proof panel housing with components of standard makes like SIEMENS/L & T/BCH/Telemechanique etc. or Equivalent, provides control at low voltage for safety of operator. HOOKS: Steel Forge conforming to IS standard. Free to rotate & swivel. TEST : Each Hoist is tested to 25% Overload with conformation to IS standard. The job shall comprise of following works:- Fixing of MS Girder of suitable capacity on the vertical reinforced cement concrete columns with MS plates, nuts and bolts. Fixing of suitable capacity winch machine capable of bearing the load of 5 ton along with allied components on the MS Girder. Carriage of material/ equipment at the site of work. Fabrication of a suitable MS shed / canopy to the provide cover on winch machine as safeguard against rain. All the components shall be designed for strength and adequacy for the entire safe operation of the Hoist. Complete job in all respects including cost of material, all handling charges, taxes etc. and testing of the winch machine at site.

JAGDEMBAY MECH ENGG WORKS

M/S MANISH CONSTRUCTIONS