Providing and fitting of 5 ton capacity electrically operated chain pulley block at tube well Science College ERA-3 along with allied works under state Capex Budget

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Design fabrication, installation, testing and commissioning of 5 Ton capacity electrical operated chain pulley along with allied works at Tube Well Science College ERA-3 feeding CPS Company Bagh, suitably designed for operation of extraction / lowering of submersible pumping unit along with column assembly of following specifications: - Capacity: 5 Ton No. of Falls: 2 Hoisting Speed Mt/Min: 2 Mtr. / Min. 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 shall be of sturdy design, fabricated from tested steel plates and is welded / bolted type. GEARBOX: Totally enclosed gear box with gears shall be made from Steel and teethed on precision hobbing machines, hardened & tempered. The gears shall need no further lubrication. ELECTRICMOTOR: 3 Phase, 440 Volt A.C. 50 cycles, Squirrel cage Induction Motor of any reputed make. LOADCHAIN: Grade 80, tested, calibrated and duly heat treated. BRAKE: Instant action 'fail to safe, Electro Magnetic disc brakes shall be incorporated to ensure maximum safety and reliability in operation. UNIT SWITCH : Snap action limits switches shall be used to prevent over hoisting and over lowering. CONTROL PANNEL & CABLE: Totally enclosed dust and moisture proof panel housing with components of standard makes , provides control at low voltage for safety of operator including cable of requisite size and length. HOOKS: Steel Forge, Free to rotate & swivel. TEST: Each Hoist to be tested to 25% Overload. The job shall comprise of the following works.: - 1. Fixing of suitable capacity winch machine capable of bearing the load of 5 ton along with allied components on the MS girder. 2. Carriage of material / equipments at the site of work All the components shall be designed for strength and adequate for the entire safe operation of the hoist. Fabrication of Canopy/Shed of suitable size for protection of motor from rain. Complete Job in all respect including cost of material, handling charges, taxes etc. and testing of winch machine at site. Complete job.

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