COMPREHENSIVE MAINTENANCE OF EOT CRANES AT VARIOUS CENTRES AT NAVAL DOCKYARD UNDER GE NW KUNJALI COLABA MUMBAI

Amount

Comprehensive repair / service / maintenance of electrically operated over head travelling (EOT)/ HOT Cranes of following capacities comprising of hoist motor, long travel motor, cross travel motor, micro hoist, gear boxes, electrical control panel and other connected accessories installed at various works shops/ centres at Naval Dockyard Mumbai to keep the cranes operational round the clock etc complete all as specified and as directed by Engineer-in-charge.

0.5 to 2 Ton capacity EOT/JIB crane - 0.5 Ton - 14 Nos , 1 Ton - 20 Nos & 2 Ton -36 Nos, Total ( 14+20+36=70 Nos) for 11 months ( 11x70 ) = 770

2.5 Ton capacity EOT crane - 01 No for 11 months ( 11 x 1) =11

3 Ton capacity EOT crane - 24 Nos for 11 months ( 11 x 24 ) = 264

5 Ton capacity EOT crane - 35 Nos for 11 months ( 11 x 35) = 385

7.5 Ton capacity EOT crane - 03 Nos for 11 months ( 11 x 3) = 33

8 Ton capacity EOT crane - 1 Nos for 11 months ( 11 x 01) = 11

10 Ton capacity EOT crane - 16 Nos for 11 months ( 11 x 16 ) = 176

12.5 Ton capacity EOT crane - 1 Nos for 11 months ( 11 x 1) =11

15 Ton capacity EOT crane - 3 Nos for 11 months ( 11 x 3 ) = 33

20 Ton capacity EOT crane - 6 Nos for 11 months ( 11 x 6) = 66

30 Ton capacity EOT crane - 3 Nos for 11 months ( 11 x 3) = 33

40 Ton capacity EOT crane - 3 Nos for 11 months ( 11 x 3) = 33

60 Ton capacity EOT crane - 1 No for 11 months ( 11 x 1) = 11

Note for item No. 1.01 to 1.13 :- The scope of works includingudes the following :- (i) The repair / servicing / maintenance works for the EOT cranes includinguding Hoist hook universal type shall be carried out by the trained / skilled technicians and shall conform to the standard engineering practice / code and as per the standard code / norms of Government and rate quoted is includingusive of minor repairs. (ii) The cranes shall be inspected and serviced at the rate of minimum of one service per month. (iii) Attending to any break down within 24 hours and restoring the service. (iv) Insurance coverage for all technicians, workers involved in the works. (v) Recording / maintaining of register of all maintenance carried out all as specified and as directed by Engineer-in-charge. (vi) Adherence to safety rules and regulations in respect of EOT cranes. (vii) Adherence to security rules and regulations of the Naval Dockyard, Mumbai (viii) A list of makes / brands of spares / materials to be incorporated in the works shall be got approved immediately after obtaining the work order. (ix) All tools, instruments and plants required for carrying out the above works shall be provided by the contractor.

Supply and filling hydraulic Gear oil 90W/40 suitable for EOT cranes complete all as specified and as directed by Engineer-in-charge. Make : Bharat Petroleum/Castrol/Servo as approved by GE

Supply and Fixing 12mm thick structure 6/19 inner fibre strands complete all as specified and as directed by Engineer-in-charge. Make : Usha Martin as approved by GE

Supply and Fixing 10mm thick structure 6/19 inner fibre strands complete all as specified and as directed by Engineer-in-charge. Make : Usha Martin as approved by GE

Supply and Fixing 19 mm thick structure 6/19 inner fibre strands complete all as specified and as directed by Engineer-in-charge. Make : Usha Martin as approved by GE

Material & labour for preparation of old painted steel surfaces of EOT cranes consisting of girders and end carriages, trolleys and hoist with motors, gear box or wheels, electric panel boards and resistance box, rope pulley, CT rails, platform, sheave block with hook etc and applying one coat of synthetic enamel paint for 0.05 to 5 Ton capacity EOT cranes complete all as specified and as directed by Engineer-in-charge.

Ditto all as per item No 6.00 here-in-before but 6 to 10 Ton

Ditto All as per item No 6.00 here-in-before but 11 to 20 Ton

Ditto All as per item No 6.00 here-in-before but 21 to 60 Ton

Material & labour for dismantling, removing, taking down the gear box assembly of main hoist of cranes of capacity .05 to 5 tons and overhauling the gear box including replacement of worm gear wheel unit complete with new, matching with existing, replacement of defective bearings, oil seal, gear couplings etc and reassembling the gear box, including Fixing back to the system alignment with complete testing and commissioning of EOT crane complete all as specified and as directed by Engineer-in-charge.

Ditto All as per item No 7.00 here-in-before but 7.5 to 20 Ton

Ditto All as per item No 7.00 here-in-before but 30 to 60 Ton

Supply & Fixinging crane control cable 19 core FLP PVC insulated tinned copper Braided PVC sheathed flexible cable 1100 V 1.5 Sqmm size complete all as specified and as directed by Engineer-in-charge. Make : Havells/Finolex/Polycab as approved by GE

Supply, laying, connecting and testing flexible PVC insulated multistranded 1100V grade copper conductor unarmoured cable of size 4 core 6 Sqmm as per IS 7098 (Part-I) 1988 includinguding removing of old unserviceable cable etc complete all as specified and as directed by Engineer-in-charge. Make : Havells/Finolex/Polycab as approved by GE

Ditto All as per item No. 9.00 here in before, but of size 4 core X 10 Sqmm

Ditto All as per item No. 9.00 here in before, but of size 4 core X 4.00 Sqmm

Ditto All as per item No. 9.00 here in before, but of size 4 core X 1.5 Sqmm

Ditto All as per item No. 9.00 here in before, but of size 3 core X 2.5 Sqmm

Supply & Fixing in repair MS powder coated 2.0mm thickness pendant push button panel with push button complete suitable for Crane of size 45 cm X15 cm X 8 cm as existing at site complete all as specified and as directed by Engineer-in-charge.

Supply and Fixing in repairs crane side track rollers by dismantling old existing track rollers by proper supports and testing of rolling for long travel all as existing at site complete all as specified and as directed by Engineer-in-charge.

Supply and Fixing in repairs Crane LT bearing including removing of existing old unserviceable bearing of any type or make as under and testing complete all as specified and as directed by Engineer-in-charge.

LT Bearing No 6307 zz

LT Bearing No 6308 zz

Taking down old unserviceable VFD drive power module from crane control panels and supply and fixing new VFD drive power module suitable for existing capacity of motor load for cranes complete all as specified and as directed by Engineer-in-charge. Make : Yaskawa/ Siemens as approved by GE.

Material & labour for taking down the following capacity of defective slip ring/squirrel cage 8 HP to 10 HP induction motor of 3 phase 415 volts and rewinding with same gauge super enamelled copper winding wire, re-insulating, varnishing, servicing, reassembling and re-installing to its original position includinguding testing and commissioning complete all as specified and as directed by Engineer-in-charge. Note:(i) The unit rate quoted is deemed to includingude for electrical disconnecting, dismantling of motor,transportation to workshop,repairing & re-installation in position.

Ditto All as per item No.14.00 here in before, but for 5 HP to 7.5 HP motor

Ditto All as per item No.14.00 here in before, but for 1 HP to 3 HP motor

Taking down the following unserviceable parts of EOT crane of 0.5 Ton to 3 Ton capacity and Supply & Fixinging new parts of same make and capacity as per existing, complete all as specified and as directed by Engineer-in-charge.

Hoist rotary limit switch.

Brake drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Brake liner metallic type (set of two).

Taking down the following unserviceable parts of EOT crane of 4 Ton to 10 Ton capacity and Supply & Fixinging new parts of same make and capacity as per existing, complete all as specified and as directed by Engineer-in-charge.

Hoist rotary limit switch.

Brake drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Brake liner metallic type (set of two).

Taking down the following unserviceable parts of EOT crane of 12.5 Ton to 30 ton capacity and Supply & Fixinging new parts of same make and capacity as per existing, complete all as specified and as directed by Engineer-in-charge.

Hoist rotary limit switch.

Brake drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Brake liner metallic type (set of two).

Taking down the following unserviceable parts of EOT crane of 40 Ton to 60 Ton capacity and Supply & Fixinging new parts of same make and capacity as per existing, complete all as specified and as directed by Engineer-in-charge.

Hoist rotary limit switch.

Brake drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Brake liner metallic type (set of two).

Carrying out load and deflection test at 100 % full load with necessary instruments on hoisting, LT/CT for checking the performance of the cranes complete all as specified and as directed by Engineer-in-charge for following capacity EOT crane Notes : (i) Load/deflection test is to be carried out by the contractor's expert representative in the relevant field in presence of the department representative and recording the test and issue necessary certificate . (ii) The load required for the testing and necessary transportation , will be arranged by the contractor at the location of testing

0.5 to 3 Ton capacity EOT cranes : 0.5 Ton - 14 Nos, 1 Ton-20 Nos ,2 Ton- 36 Nos, 2.5 Ton - 01 No & 3 Ton-24 Nos) (Total 14+20+36+1+24= 95 Nos)

5 to 10 Ton capacity EOT cranes: 5 Ton - 35 Nos, 7.5 Ton- 3 Nos, 8 Ton-1 No & 10 Ton-16 Nos ( Total 35+3+1+16 = 55 Nos )

12.5 Ton to 30 Ton capacity EOT crane: 12.5 Ton- 1 No , 15 Ton- 3 Nos, 20 Ton-3 Nos & 30 Ton-3 Nos (Total 1+3+3+3= 10 Nos)

40 Ton to 60 Ton capacity EOT crane : 40 Ton-3 Nos & 60 Ton-01 No (Total= 3+1=4 Nos)

Supply & Fixing MCCB 250 Amps, 4 pole, 36 KA rating adjustable thermal and adjustable magnetic setting complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing Auxillary contactor for all motions upto 12 to 16 Amps complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing Over load relay 12 to 25 Amps complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing relay type timer 10 to 30 seconds complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing Kitkat fuse 6 to 32 Amps complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing new festoon roller bearing for 20 Ton to 60 Ton capacity crane including taking down existing unserviceable roller complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing 3 pole power contactor 70 Amps includinguding taking down existing unserviceable contactor complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing 3 pole power contactor 45 Amps includinguding taking down existing unserviceable contactor complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing 3 pole power contactor 16 Amps includinguding taking down existing unserviceable contactor complete all as specified and as directed.

Comprehensive repair / service / maintenance of electrically operated head wall cargo lift hydraulic door of 10 Ton capacities comprising of hoist motor, long travel motor, cross travel motor, micro hoist, gear boxes, electrical control panel and other connected accessories installed at AC Dock at Naval Dockyard Mumbai to keep the door operational round the clock etc complete all as specified and as directed by Engineer-in-charge.Total -02 Nos for 11 months ( 11 x 2) = 22

Comprehensive repair / service / maintenance of electrically operated power pack for jack of 10 Ton capacities comprising of hoist motor, long travel motor, cross travel motor, micro hoist, gear boxes, electrical control panel and other connected accessories installed at AC Dock at Naval Dockyard Mumbai to keep the door operational round the clock etc complete all as specified and as directed by Engineer-in-charge. Total -02 Nos for 11 months ( 11 x 2) = 22

Material and labour for rewinding the electric motor of 5 HP capacity, disconnecting the electric connection of motors, earth connections, decoupling motor from system, removing nuts/bolts and from its existing position to workshop (Note : following work are to be deemed in the rate quoted) :- (a) Removing the split case/body cover of motor, separate stator/rotor and cutting the complete burnt/defective copper winding. (b) Cleaning the stator body complete by rubbing sand paper removing all carbons. (c) Inserting insulating materials such as insulating paper sleeves. (d) Rewinding the stator with existing size of super enamelled copper winding, varnishing and heating up at desired temp. For achieving the particular Ohm resistance. (e) Cleaning the rotor and assembling in motor. (f) Connection/coupling the motor with system, connecting all electric / earth connection nuts/bolts at its original position and testing on load complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing safety buzzer 250W includinguding taking down existing unserviceable buzzer complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing Hoist hook universal type suitable for 10 ton to 20 ton capacity as per existing includinguding renewal of wornout bearing complete all as specified and as directed by Engineer-in-charge.

Ditto All as per item No. 33.00 here in before, but of capacity upto 5 tons complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing in repair/replacement of Brake Linear Shoe suitable for capacity as per existing EOT Crane, complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing in repair/replacement of Micro Clutch Plate suitable for capacity as per existing EOT Crane, complete all as specified and as directed by Engineer-in-charge.

Supply & Fixing in repair/replacement of Control Transformer suitable for capacity as per existing EOT Crane, complete all as specified and as directed by Engineer-in-charge.

Supply of control Panel box with Installation , Testing & commissioning accessories like cables, PVC Channels, Lugs, terminals, Din rails and Hardware's for 0.5 Ton to 20 Ton EOT Crane complete all as specified and as directed by Engineer-in-charge. NOTE : The tenderer shall visit the site of work with prior permission of GE and ascertain the actual make, model of plant/equipments and conditions of the plants and scope of work. Make and size of items of spares of crane shall be of same size and make as per existing.

Shree Ayyappa Engineering

Darpan Construction