Tender For bridge unloader - bridge unloader, 1. design, manufacturing and supply of heavy duty out door bridge for sugar mill plant cane unloading conforming to is:807-1976 & is:3177- 1977 fabricated from m.s. plate section conforming to is:226/2062 steel in box type design with and carriage fitted with wheel of fusion welded having l type bearing housing for long travel (lt) wheel assemblies having span-22.00 mtrs capacity -05ton swl along with dismantling of old existing bridge and erection and commissioning of new bridge old existing cross travel trolley will be used. type of bridge-m.s. plate fabricated box type span-22.00 mtrs, unloading capacity -05 ton swl2. techincal specification:-type of bridge -box type (m.s. plated fabricated), capacity-05 ton swl, unloading capacity -80 to 100 ton cane/hr, utility-sugar cane handling, height of top of top rail from ground-10.00 mtrs, height of lift-12.50 mtrs, wirerope19mm, 6/36 construction fibre wire, long travel speed -23-25 meter/minute, box side plate height-1250mm, box side plate thickness8mm, top & bottom plate thickness-top plate-12mm thick, bottom plate-10mm thick, top & bottom plate width-500mm, baff /stiffener plate spacing -750mm, baffle/stiffener plate thickness-8 mm., 3. end carriage:- length-5000mm, height-450mm, centre distance for end carriage wheel-4500mm,centre distance of trolley wheel as per previous trolly.4. long travel mechanism:- size of rail top at long travel- width-60mm, height-25mm, size of rail section at cross travel-width-60mm, hight25mm.5. electric motors for long travel drive 5.3hpx960 rpm rating s4 duty, qty-02 nos.6. gear box for long travel:- type helical,model-hb-350, ratio-40:1, service factor-greater than 2 on installed power, qty-02 no7. coupling for long travel drive:- type geared type half gear model1038. breaks:- thruster-electro hydraulic thruster 18 kg/cm , dia-6", qty 02 no., floating shaft dia/length-70mm/800mm-1000mm9. wheel:- dia meter-420mm, bearing-22218 skf/fag make, housing l type, qty-04 nos, note:- (i)fabrication will be done using prime plates and sections and using mig, welding process. (ii)only tack welding will be done by electrode using arc welding(iii) parallelist of the cross travel rails/square bar, diagonals, deflection of the bridge & trolley will be accurate and confirming to standard and best engineering practices. (iv) bridge must be two coated by red oxide metal primer and two coats of golden yellow colour.11. electric panel for new bridge, resistance boxes for bridge motors, control cabin,12. electric wires, main switch push button control & cable trolleys for complete13. unloader.14. dismantling of old trolly and all its accessories and erection & commission of new trolly, frame and fitting of all old spares ie. rope, drum, thruster break etc complete testing and trail., scope of work1. supply of above mentioned bridge on for basis to mill site.2. dismantling of old unloader. 3.erection of new unloader bridge with old trolley & grab with complete electric work with new electrical panel for bridge and all electrical panel for trolley & grab. all wiring should be new & standard isi make
Tender For motor rewinding - electric motor rewinding insulation class- b0.5 hp, 720, 960, 1440, 2900 rpm stator, 0.75 hp, 720, 960, 1440, 2900 rpm stator, 1.00 hp 720, 960, 1440,2900 rpm stator, 2.00 hp 720, 960, 1440,2900 rpm stator, 3.00 hp 720, 960, 1440,2900 rpm stator, 5.00 hp 720, 960, 1440,2900 rpm stator, 7.5 hp 720, 960, 1440,2900 rpm stator, 10 hp 720, 960, 1440,2900 rpm stator, 11.5 hp 720, 960, 1440, 2900 rpm stator, 12.5 hp 720, 960, 1440, 2900 rpm stator, 15.00 hp 720, 960, 1440, 2900 rpm stator, 20 hp to 120 hp, 720, 960, 1440, 2900 rpm stator, rotor, rewinding of crane duty motor 15 hp, 960 rpm, insulation class- h rotor, stator, 25 hp, 960 rpm, insulation class- h rotor, stator, slipring motor75 hp, 1440 rpm, squral cage rotor of alluminium binding converted into copper strip binding and dynamic balancing with certificate., 120 hp to 250 hp, 960,1440 rpm strip binding rotor, stator, 250 hp, 585 rpm, strip binding rotor, stator, 265 hp, 960 rpm, strip binding rotor, stator, 400 hp, 720 rpm, strip binding rotor, stator, rewinding of cane unloader motor s-5 duty 415 volt15 hp, 965 rpm , 900 starts/stop per hour rotor, stator, 25 hp, 965 rpm , 900 starts/stop per hour rotor, stator, three speed motor insulation class - fcentrifugal motor 110 kw ac 1st speed upto 200 rpm, 2nd & 3rd speed upto 450 rpm & 960 rpm, dc-motor d-412 kcp centrifugal machine 167 kv, 1250 rpm rotor, stator, repair of core assembly for 3 speed motor of centrifugal machine, buffing & policing of rotor commutator of dc motor for d-412 centrifugal machine, welding machine spares rewinding primary coil, secondary coil, choke coil, d.c.welding machine rectifier 230/24 volt, 600 amp., rewinding and repairing of electronic welding machine 3 phase 400 amp., d.g.set spares rewinding166 kva alternator of dg set 1500 rpm, 50hz, pole of rotor 4 nos. complete rewinding h class enamelled copper strip with material and labour and dynamic balancing with test certificate rotor, stator, 320 kva alternator of dg set 1500 rpm rotor, stator, 166 kva alternator set excitation system (booster), 320 kva alternator excitor rotor, 320 kva alternator excitor filed coil, rewinding and repair of submersible pump motor 15 hp, 25 hp, complete rewinding of 1875 kva excitor rotor (jyoti make) of 1500 kw alternator with satisfactory testing & trial on load., other rewinding workbreak thruster mootor, cooler fan single speed / three speed, exhaust fan single phase / three speed, rewinding of celling fan, brass holder for turbine excitor, copper carbon brush for turbine excitor, repairing of d.c. excitor (jyoti make) 15 kw with packing & cutting of commutator & re-soldering of lug etc. complete, charges for supply of diode fixing plate alluminium for 1875 kva turbine alternator, supply & fixing of variable set complete(i) 4 amp. 270 volt, ii) 8 amp. 270 volt., earthing electrode size 75 mm x 3000 mm with chemical bags and fitting at mill site., dismantling of thruster of cane unloader replacement, repair of aluminium housing assembling and testing at 20 kg. load complete in all break system, chief engineer