Public Works Department Tender

Providing, Installation, Testing and Commissioning of Submersible pumpset 10 HP (1W+ 1 standby) 2500-3000 GPH X 140-160 mtr head along with 65/80 mm dia MS column pipes and other allied works including 01 no stand-by submersible pumpset in the premises of Govt. CD Hospital 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, 380 Volts + 15% of frequency 50 Hz + 3% and power rating of the motor shall be selected at 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 unfavourable running conditions. The Pumpset must be of nationally reputed make like KSB/Kirloskar/Crompton conforming to BIS/IS standards. The job further includes Fabrication of adapter Nipple approx 1 mtr 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 & 02 No nuts of required size are to be welded on opposite size of the proper piece so that clamping bolt of the tie rod can passed through it. The fabrication of the tie rod clamping arrangement for clamping the pump and motor to the upper adopter nipple should be made of out of 40x6 MS Plate as per required size. The upper ends of these flat strips should be welded with full threaded bolt 12mm dia and 10 cm long. These bolts are to be passed through the nuts welded on the adopter nipple piece, tightening of the 12 mm double nuts on both sides including cost of material and labour charges. Fabrication of 65/80 mm dia MS forged clamp 2 No’s for lowering the MS column pipes into the Tube well casing pipe. The clamp should be in the two halves and should have two holes on either sides of the holding arm. The clamp has to be fabricated out of MS Flat of 100 mmx10 mmx1 mtr. The Job includes the cost of MS flat for clamp 4 No’s with cost of material and labour etc. The job also includes providing and fitting of Column Pipes of dia 65/80 mm Class ‘C’ 39 Nos each having length 10-feet as per site requirement. The Job also 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 along with the column pipes of 65/80 mm dia by using special tools and tackles viz chain pulley block, MS Clamp at its pump position BGL. Complete job includes cost of material, labour, carriage in all respects as per site requirement. Job also includes providing & fitting of 80 mm dia. CS Class 150 Sluice & Reflux valve. Complete job includes cost of material, labour, all kinds of taxes & carriage & in all respects as per site requirement.

Designing, Fabrication, Providing, Installation, Testing and Commissioning of 5 Ton Capacity Electrical Operated Chain Pulley in the premises of Govt. CD Hospital Jammu suitably designed for operation of raising/Lowering of Submersible pump set along with column assembly of following Specifications: Electric Chain Hoist to be designed as per ISI Specification. Capacity : 5 Ton Hoisting Speed Mt/Min : 2m/min HP of the Motor: 5 HP Make ISI Mark CONSTRUCTION : Hoist should be of unique modular construction. Each sub assembly is easily accessible individually, thus reducing the time and cost involved in the maintenance. FRAME: The Frame should be sturdy design, fabricated from tested steel plates and welded/ bolted type. GEAR BOX: Totally enclosed gear box with gears made from EN-9/EN-24, Steel and teethed on precision hobbing machines, hardened & tempered. The gears shall be self lubricated. ELECTRIC MOTOR: 3 Phase, 440 Volt A.C. 50 cycles, Squirrel cage Induction Motor, Preferably of SIEMENS/N.G.E.F. make/ ISI make/ Equivalent to used. LOAD CHAIN: Conforming to IS : 6216-1971, Grade 80, tested, calibrated and duly heat treated. BRAKE: Instant action 'fail to safe, Electro Magnetic disc brakes should be incorporated to ensure maximum safety and reliability in operation. UNIT SWITCH: Snap action limits switches to be used to prevent over hoisting and over lowering. CONTROL PANEL: Totally enclosed dust and moisture proof panel housing with components of standard makes like SIEMENS/L&T/BCH/Telemechanique etc. or Equivalent to provide control at low voltage for safety of operator. HOOKS: Steel Forged conforming to IS : 8610- 1977. Free to rotate & swivel. TEST :Each Hoist to be tested to 25% Overload with conformation to IS :6547-1971 The job shall comprise of 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/ equipment at the site of work. 3. Fabrication of a suitable MS shed/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, all kinds of taxes etc. and testing of the winch machine at site.

Providing and laying of 3 core 6/10 Sq. mm copper Submersible cable 280 meter as per site requirement. The Job includes patching of the submersible cable of motor by using patch rolls and insulation tape to make water proof for lowering of submersible pumpset, testing of submersible pumpset on full load by making connections of submersible cable of motor pumpset with the panel and checking/testing of all the electro-mechanical connections with one end of cable fixed in panel and other end with sub motor after properly dressing of cable ends and insulating them properly. Complete job includes cost of material, labour, all kinds of taxes & carriage in all respects as per site requirement.