REPAIR/ MAINT OF OVERHULING EOT/HOT CRANES AND ALLIED WORKS AT AF STN CHABUA UNDER GE (AF) CHABUA

Amount

Comprehensive preventive maintenance by technically qualified technician and rendering operationally EOT crane of capacity as mentioned below including assemblies inspection and maintenance of including checking / tightening of all nut , bolt & breaks any type any size complete system, adjusting etc of all breaks motions and VFD /VVVF drive adjustment setting of EOT / HOT cranes with having single or double girder type and providing greasing & oiling of traveling / moving parts of crane with connecting motor girder parts for movement of crane hoist / long / cross traveling and including maintaining the controlling of speed / creeping micro speed of motors with minor maint / repair electrically operated main control panel wire with connecting control wiring system consisting of main switch, step down transformer, contactor, HRC fuse, VFD, PLR, control pendent ,wire rope with break drum unit, gear box unit , oil levels, motor bed / foot ,electrical control cable, motor terminal, end cable carriage trolly , motor shaft, bush flange bearing with lathe work ,chain pulley block, ratchet clutch, gear block, chain wheel, chain etc and including locating the defect or fault and rectification of the fault and rectification of oil leakage etc any type any size and replacement of defected nut, bolt & washer and making it soundless/sound proof and after trails testing run of crane for smooth functioning / operation satisfactorily of the following mentioned capacity cranes/Hoist complete all as specified and directed by Engineer-in-Charge. Details of EOT Crane (i) EOT crane of 10 Ton capacity - 01 No. ( Make of Safex Ltd)

All as per srl item No 01 here-in-before but EOT Crane/Hoist of capacity is under mentioned complete all as specified and directed by Enginer-in-charge. Details of EOT Cranes: (i) FLP EOT crane of 02 Ton capacity - 04 No. ( Make of Safex Ltd) (ii)FLP EOT crane of 05 Ton capacity - 01 No. (Make of Safex Ltd ) Notes applicable for srl item Nos 1 to 2 :- (i) Inspection checking decarbonising & tightning of electrical connection in total system including replacement of thimbles etc. (ii) Inspection & checking of fuses, setting & tightning the same as per their capacity. (iii) Inspection and setting of voltage system including replacement of fused indicating lamp etc. (iv) Spares for EOT crane will be measured and paid seperately as given in Section II of BOQ. (v) Contractor will carry out comprehensive maintenance once in a 3 months and maintain the record of same as per the performa of monthly maintenance check enclosed in the tender documents.The same shall be forwarded alongwith RAR failing which no payment shall be released to the contractor. (vi) Contracor will ensure serviceability and safety of crane during his each visit by way of maintining job card duly signed by Engr-in-Charge and JE E/M. (vii) The contractor will also send Technician on call basis in case of any fault.

M&L for servicing of 02 Ton HOT crane comprising of the following:- (i) Greasing/oiling of required part . (ii) Checking & testing/adjustment of brakes for all the motions (iii) Checking & tightening of nut, bolts, wheel aligment etc. (iv) Cleaning of Bridge girder complete

Carry out load and deflection test for EOT crane of 10 ton capacity at 125 % full load with necessary instruments on hoisting, LT/CT for checking the performance of the cranes as directed by the Engineer In Charge /and upto the users satisfaction. Note : Test certificate to be submitted from authorised OEM and signed by contractor MES rep & user rep.

All as per item No -4 (here in before) but for 2/3 Ton capacity EOT crane any make

All as per item No -4 (here in before) but for 5 Ton capacity EOT crane any make

All as per item No -4 (here in before) but for 2 Ton capacity hand operated OH crane .

Supply only gear oil grade 680/320 suitable for reduction gear boxes complete all as directed.

S& F in replacement 9A Contactor Suitable for existing Model for motor break,incl taking down old u/s, all as specified and as directed.

S& F in replacement 16A Contactor Suitable for existing Model for motor break,incl taking down old u/s, all as specified and as directed.

S& F in replacement Bearing for motors/Rope Drum/Gear Box.

Supply & Fixing of of four core copper conductor of size 4 sq mm FRLS Flexible sheathed cable.

Supply & Fixing of of four core copper conductor of size 2.5 sq mm FRLS Flexible sheathed cable.

Supply & fixing hoist retaining ring including taking down old unserviceable one complete as specified and directed.

Supply & fixing hoist rope guide ring including taking down old unserviceable one complete as specified and directed. .

Supply & fix push button switch for pendant control station including taking down old unserviceable one complete as specified and directed.

Supply & fix full gear coupling including taking down old unserviceable one complete as specified and directed.

Supply & fix half gear output coupling including taking down old unserviceable one complete as specified and directed.

Supply & fix 2 Ton EOT/HOT Crane Hook Pulley including taking down old unserviceable one complete as specified and directed.

Supply & fix 10 Ton EOT Crane Hook Pulley capacity including taking down old unserviceable one complete as specified and directed.

Supply and fixing in replacement of CT/LT Motion Break Shoe with Liner(100mm) of cap FLP 10 Ton crane as per existing make model incl taking down old u/s, complete all as directed.

Supply and fixing in replacement of HT Motion Break Shoe with liner (200mm) of cap FLP 10 Ton crane as per existing make model incl taking down old u/s, complete all as directed.

Supply and fixing in replacement of HT/CT/LT Motion Break Shoe with liner (100mm) of cap FLP 02 Ton crane as per existing make complete all as directed.

S & F DSL Indicating Lamp including taking down old unserviceable one complete as specified and directed.

M&L in replacement of planetary gear box for host motion of 10 TON EOT crane including taking down old unserviceable one complete as specified and directed.

M&L in replacement of planetary gear box for host motion of 02 TON FLP EOT crane including taking down old unserviceable one complete as specified and directed.

Supply and fixing in repair of flame proof micro L.T. hydraulic thruster brake unit 160 mm dia rating 100% complete incl taking down old u/s, all as specified and directed.

Re-calibration of V.F.D Drives by expert technician from the company.

Taking down the burnt out FLP 3 phase 415 volt electric motor of any make from the elevated height after disconnecting electrically and mechanically from the system, transporting to civil workshop for repairs, dismantling the same and removing burnt out windings, cleaning the rotor and stator properly, rewinding the motor with super enammeled copper winding wire as per existing gauge, varnishing/drying etc complete, replacing the ball bearings as per existing size, reassembling the motor, shifting and installing at original position, making electrical and mechanical connections and testing for proper working complete all as specified and directed for 0.5 HP to 0.75 HP 1415 RPM motor.

All as per item No. 29 here-in-before but for 01 HP 1405 RPM complete all as specified and directed.

All as per item No. 29 here-in-before but for 3 HP 1420 RPM complete all as specified and directed.

Supply, fixing and making all connections, Rotary (FLP) limit switch capacity 40 amps 415 volts all as per existing for LT/CT/Hoist motion of 2 Ton FLP crane, including taking down old unserviceable complete all as specified and directed.

Supply, fixing and making all connections, Gravity (FLP) limit switch capacity 40 amps 415 volts all as per existing for LT/CT/Hoist motion of 2 Ton FLP crane, including taking down old unserviceable complete all as specified and directed.

Supply, fixing and making all connections, two way Roller (FLP) limit switch capacity 40 amps 415 volts all as per existing for LT/CT/Hoist motion of 2 Ton FLP crane, including taking down old unserviceable complete all as specified and directed.

Supply, fixing and making all connections, Rotary limit switch capacity 40 amps 415 volts all as per existing for LT/CT/Hoist motion of 10 Ton crane, including taking down old unserviceable complete all as specified and directed.

Supply, fixing and making all connections, Gravity limit switch capacity 40 amps 415 volts all as per existing for LT/CT/Hoist motion of 10 Ton crane, including taking down old unserviceable complete all as specified and directed.

Supply, fixing and making all connections, two way Roller limit switch capacity 40 amps 415 volts all as per existing for LT/CT/Hoist motion of 10 Ton crane, including taking down old unserviceable complete all as specified and directed.

Material and labour for dismantling and over hauling of CT and LT wheels of EOT / HOT cranes , repair to shaft and replacement of lock plate etc , fixing and testing makiing necessary arrangenent like staging, plate form for carry out the above repair .

Supply and fixing in repair MCB TPN 63 amps 415 volts 50 HZ AC . Make : C&S or equivalent

Supply and fixing in repair MCB TPN 40 amps 415 volts 50 HZ AC . Make : C&S or equivalent

Supply and fixing in repair MCB SP 40 amps 240 volts 50 HZ AC . Make : C&S or equivalent

M and labour , rewinding of electromagnatic brake with existing gauge and size of copper wire of superier quality , proper insulation and testing on completion complete incl taking down old u/s, all as direcetd by Engineer In Charge

Supply only mixture of grease and oil in the gear box of EOT cranes make: Servo 320. make : HP/Hindustan /Servo

Supply and fixing power contractor assembly complete 3 phase 3 pole 415V AC suitable for the existing EOT crane control panel and of current rating up to 32A with 2 NO & NC Suitable for existing model incl taking down old u/s ,all as specified and directed. Make Schneider /L&T/CG

Supply and fixing Indicator for lamp Assembly LED pilot lighting complete suitable for ECE lifts 500 Kg Capacity Suitable for existing model incl taking down old u/s all as specified and directed. Make : L & T/ BCH

Supply and fixing only Indicator lamp assembly 230 V AC complete suitable for the existing system suitable to 2 Ton bestCapacity Suitable for existing model incl taking down old u/s, all as specified and as directed.

Supply and replacing of Steel wire rope size-08/12mm, construction 6/36.

Supply and fixing of chain pulley block for 02 Ton capacity 6 Mtr height HOT crane Suitable for existing model incl taking down old u/s complete all as specified and as directed.

Dismantling lowering down overhauling, replacement of unserviceable parts like bushes, bolts, nuts etc for cross travel arrangement for 02 Ton HOT crane.

Dismantling & lowering down of 4 Nos LT wheels and drive shafts and overhauling including replacement of unserviceable parts like , drive shaft, plumber blocks with, couplings, bolts, nuts etc for long travel arrangement complete all as specified and as directed.

Opening of electrical connection of 2 Ton capacity FLP EOT crane and removing of damaged Cross Travel/Long Travel electric drive and taking to authorized servicing agency , opening of electrical drive and replacing the burnt out phase cards, power diodes, unserviceable parts i.e. capacitors, integrated circuits, resistors, electronic transformer and reassembling the complete electric drive and bringing back to site after repairing and refixing electrical drive, connecting electrical drive and commissioning complete all as directed

All as per item No 51 (here in before) but for 10 Ton capacity crane

Disconnecting electrical connection opening of the LT panel board, disconnecting and removing the burnt out cable end termination, cutting and reterminating the cable end portions with lugs of proper size and removing the burnt out control and power wiring from the panel board, providing new wiring with suitable size copper cable and replacement of damaged burnt out connectors, fuse holders and cable lugs including cleaning of control panel, checking of all auxiliary and main power contactors, over load relays complete all as directed.

M & L for dismantling, removing , taking down the gear box assembly of main hoist for cranes capacity of 10 ton and then overhauling the gear box including replacement of worn gear wheel unit complete with new one matching to the existing size, replacement of defective oil seal, gear couplings etc and then assembling , fixing back to the system alignment, testing & commissioning of EOT Crane capacity up to 10 ton all as specified and directed by Engineer-in-charge

All as per item no 54 (here in before) but for 2 Ton capacity FLP EOT crane all as specified and directed.

Disconnecting and taking down electromagnetic thruster/Hydraulic Brake unit from the crane, shifting to work shop, dismantling all parts, replacement of unserviceable parts like Brake coil, thruster oil, assembling, shifting to existing location and fixing in a same position, complete testing the system all as directed by Eng-in-Charge.

Supply and fixing FLP control transformer copper wound 200 VA capacity and 415 volts/110 volts, including taking down the old unserviceable transformer complete all as specified and directed.

Supply and fixing FLP lighting transformer 750 VA capacity and 415 volts/220 volts, including taking down the old unserviceable transformer complete all as specified and directed.

M/S P R SINGH AND SONS (BID ID -3478463)

M/S CHAKRA GOHAIN (BID ID -3479306)

M/s Pramillabh Construction (BID ID -3479361)

M/S MAHATO ENTERPRISE (BID ID -3482670)

M/S DURGA CONSTRUCTION & CO (BID ID -3482701)

M/S S. P. ENTERPRISE (BID ID -3482568)