Construction of Tube Well at Govt. Medical College Hospital GMCH, Jammu by way of Supply, Installation, Testing and Commissioning of Submersible Pump set along with allied Electromechanical equipments and works at GMCH, Jammu.

Providing, Installation, testing & commissioning of submersible pump set (One working) and providing of one submersible pump set( as standby) of 100 mtrs head and safe discharge of 12000 GPG coupled with three phase motor. 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 be stainless steel impeller. The Casing wearing rings shall be of bronze material. 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 one step rating 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 unfavourable running conditions. The Pump shall be of Kirloskar/KSB/ Mather Platt Make conforming to relevant BIS/IS Standards/codes. The job involves fabrication of adopter Nipple/reducer nipple approx 0.5 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 adopter nipple is welded with MS flange of required size fabricated out of MS Plate for fixing with the column pipe.2 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. Fabrication of the tie rod clamping arrangement for clamping the pump and motor to the upper adopter nipple, fabricated out of 40mmx6mm MS Plate as per required size at site. 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. 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. Providing/ fitting of 25sq mm 3-core flexible submersible cable of reputed make from Submersible Motor to electric panel via slotting in flanges and proper insulation using water proof patch joint etc. The job also includes providing of 100mm dia MS column pipes (heavy duty) approx 80 meters (as per site requirement) with proper MS flanging for each column pipe along with slotting for passing of submersible cable, rubber flanges, nuts & bolts and CS class NRV and Sluice Valve-01 no each of 100mm dia conforming to relevant IS/BIS Standards make Tata/Jindal etc, lowering of submersible pump set into the Tube well along with the column pipes by using special tools and tackles viz. Chain pulley block, MS clamp. The job also includes providing and laying of 25sqmm Cu Submersible cable of make Polycab/Finolex/Havells approx 190 meters for making connection of submersible motor to the control panel & other electric accessories required for commissioning of submersible pump set. One of cable end will be fixed in panel and other end with submersible motor after properly dressing of cable ends and insulating them properly. The job also includes Providing and laying of 35 mm2 3.5 core Al armoured cable approx 50 meters for making connection of control panel to electric Automatic Voltage Regulator.

Designing, Fabrication, Installation. Testing and Commissioning of 70 Amp LT control Panel suitable for 410 volt, AC-3 phase, 50HZ, power supply upto 45 HP Submersible Motor in the premises of GMCH Jammu. The panel should be dust and vermin proof fabricated out of 14/16 SWG CR sheet supported on MS angle suitable size and having provision for fixing it on the floor with the help of bolts. 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 be equipped with following components/ features. MCCB: The panel should be fitted with an MCCB 100 Amps. Capacity and a set of RYB indicators at incoming side. Star Delta Starter: The panel should be fitted with fully automatic star delta starter of suitable size comprising of three nos. air break contactors. 70 Amps.- 02 Nos. and 50 Amps- 01 no., timer 01 no. for change over of the supply of motor from star to delta, 02 nos. push buttons for start and stop operation of motor, 01 no. indicator, 01 no. MCB 6 Amps. for protection of internal control wiring with proper internal control wiring with flexible copper cables to complete the star delta circuit of outgoing supply. Protection devise/fault analyzer:- A protection devise/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 fault which my otherwise damage the motor windings:- 1. Voltage related fault:- Single phasing, under voltage, over voltage, unbalance voltage. 2. Current related fault:- Over current/load, dry running, unbalance current/load, earth leakage, short circuiting. 3. Mechanical fault:- Locked rotor, broken shaft b) Display line current of RYB Phase and also line voltage of RY and YB phase. c) Display and record trip counts and indicate trip status for over load, under load, single phase, unbalance, earth fault, over voltage, under voltage respectively. d) Analyze, display & record no. of operation and duration of motor running. Bimetal overload relay: A bimetal overload relay of suitable range should be fitted in the panel as an extra protection to protect the motor in case of failure of fault analyzer with an isolation/ bye pass switch to by-pass the fault analyzer. Complete job includes cost of material, labour, all kinds of taxes & carriage in all respects as per site requirement

Providing, installation, commissioning & testing of 100 KVA 3(three) phase copper wound, oil cooled, voltage stabilizer with input voltage range (260 V to 460V) and output voltage range (400 V + 10%) and frequency 50Hz + 3%. The stabilizer should be provided with digital voltage and current display for independent phases with selector switches along with RYB phase indicators. Stabilizer assembly should comprise of core made of silicon steel wound with copper coil conductor of appropriate quality conforming to BIS with di-electric oil of proper value for cooling stabilizer assembly. The job also includes providing and lying cable as per site for making connection of Stabilizer to control Panel and P/F 01 Change over switch of required specification for by-passing the voltage Stabilizer. P/F of 01 no. MCCB of 250 Amps on input side and a bypass switch for bypassing the stabilizer in case of any fault. The stabilizer should be mounted on unidirectional wheels. Shifting of stabilizer to site of installation by means of mechanical transport, filling up of transformer oil up to required level in the stabilizer oil tank and making necessary electrical connections by providing and fitting of aluminium cables as of required current carrying capacity after proper thimbling from panel to voltage AVR to Transformer.Complete job includes the cost of material, labour, testing, crane, hire and commissioning charges. The job also includes Earthing of all electric equipments installed at site including voltage Stabilizer.

Designing, Fabrication, Providing, Installation, Testing and Commissioning of 5 Ton Capacity Electrical Operated Chain Pulley 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. The Electric motor should be covered with canopy in order to protect it from rain and other weathering factors. 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 along with design, installation, testing and commissioning of Gantry as per site requirement. 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 welding of bends with the delivery end of the column pipe line along with the reducer from 100 mm to 80mmand providing and laying of 80 mm dia. MS Pipes ‘C’ class heavy duty from new Tube well to storage water tank which is inside the premises of Govt. Medical College & Hospital, Jammu approx. 210 meter in length. P/F of 100 mm dia. Bends, sockets, 80 mm dia. Cast Steel Class Flanged gate valve as per site requirements. 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 for All kinds of soil. Refilling of the trench by using 9" thick cement concrete mix of 1:2:4 and excavated material as per direction of Engineer in charge. Complete job includes cost of material, all kinds of taxes, labour charges both skilled and unskilled, transportation charges of the material and hire charges of welding set, tools and tackles etc. Acceptable Makes of Pipe: Jindal/Surya Parkash/TATA pipes

Fabrication of PUF Sheet Shed (50mm PPGI Sheets) of size 10X12x10 ft for Operators and housing Electromechanical Equipments of Tube Well at Govt. Medical College and Hospital (GMCH) Bakshi Nagar, Jammuby way ofProviding and fixing of panels for wall and roof. The roof shall be provided with precoated precoloured sheets of12.5mm thick square edge PVC laminated Gypsum tiles of size 595x595mm. The roof sheets shall be laid over frame work of trusses and purlins and rafters fixed using suitable fasteners. The PUF panels shall be of make Sintex / Llyod / Jindal continuous panel system. The job also includes Structural steel work riveted and bolted in built up section trusses and frame work including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer. Job includes all types of civil work including foundation for fabrication of complete shed as per site requirement. The job includes Providing and laying of Vitrified tiles inside the shed and also Providing and fixing tiled False Celiling for roof of shed. The job also includes Raising of floor level/platform for the electro-mechanical machinery by way of providing and laying cement concrete in 1:3:6 mm, 80 mm thick. Internal electrification by way of providing wiring for electric points with 1.5 sqmm and for power sockets 4 nos including fixing of accessories such as LED tube lights (03 nos), celling fans (01 nos), wall fan (02 nos) heavy duty exhaust fans- 03 nos. as per requirement at site. Disposal of dismantled malba/excavation earth by head load/ M.T including loading/ unloading and carriage complete from designated sites and its disposal as per direction of Engineer-in-charge all inclusive (average lead of 10Km) outside the municipal limit. Complete job as per site requirement. The entire work includes cost of material, labour, loading, unloading, carriage, stacking, Complete job.