COMPREHENSIVE MAINTENANCE OF EOT CRANES AT VARIOUS CENTERS AT NAVAL DOCKYARD UNDER GE (NW) KUNJALI, COLABA, MUMBAI

Amount

Comprehensive repairs / servicing / maintenance of electrically operated over head travelling (EOT) / HOT Cranes at any height 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.

0.5 to 1 Ton capacity EOT/JIB crane - 0.5 Ton - 14 , 1 Ton - 20 Nos Total= ( 14+20=34) for 11 month ( 11x34 ) = 374

2 Ton capacity EOT/JIB crane -36 Nos Total= 36 for 11 month ( 11x36 )=396

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

3 Ton capacity EOT crane - 24 Nos for 11 month ( 11 x24 ) = 264

3.5/5 Ton capacity EOT crane - 25 Nos for 11 month ( 11 x25) = 275

5/7.5 Ton capacity EOT crane - 13 (5 Ton=10 and 7.5 Ton=3 Nos for 11 month ( 11x13)=143

8 Ton capacity EOT crane - 1 No for 11 month ( 11x01)=11

10 Ton capacity EOT crane - 16 Nos for 11 month ( 11x16 )=176

12.5 Ton capacity EOT crane - 1 No for 11 month ( 11x01)=11

15 Ton capacity EOT crane - 3 Nos for 11 month ( 11x3 )=33

20 Ton capacity EOT crane - 6 Nos for 11 month ( 11x06)=66

30 Ton capacity EOT crane - 3 Nos for 11 month ( 11x03)=33

40 Ton capacity EOT crane - 3 Nos for 11 month ( 11x03)=33

60 Ton capacity EOT crane - 1 No for 11 month ( 11x01)=11

Note for item No. 1.01 to 1.14 :- The scope of works cover the following :- (i) The repair/servicing / maintenance works for the EOT cranes including Hoist hook universal type shall be carried out by the trained / skilled technicians and shall conform to the standard Engineering practice / IS code and as per the standard code / norms of Government and rate quoted is inclusive of minor repairs. (ii) Each crane shall be inspected by Skilled technician and serviced for minimum one time 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) Record / maintain 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 getting 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. Make- Bharat Petroleum/ Castrol/ Servo .

Supply and installation GI shrouded conductor (Pin type joint) with PVC sleevs joints covers 4 mtr long any colour complete all as specified and directed.

Supply and installation nylon hanger clamp with MS hardware orange or any colour single pole complete all as specified and directed.

Material & labour for preparation of old painted steel surfaces of EOT cranes at any height consisting of girders, 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 two coats of synthetic enamel paint for 0.05 to 5 Ton capacity EOT cranes complete all as specified and as directed.

Ditto- all as per item No 5.00 above but 6 to 10 Ton capacity

Ditto- all as per item No 5.00 above but 11 to 20 Ton capacity

Ditto- all as per item No 5.00 above but 21 to 60 Ton capacity

Material & labour for dismantaling, removing, taking down carefully the gear box assembly of main hoist of cranes of capacity 0.5 to 5 tons and overhauling the gear box including replacement of worn out 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 and testing after commissioning of EOT crane complete all as specified and as directed.

Ditto- all as per item No 9.00 above but 7.5 to 20 Ton capacity.

Ditto- all as per item No 9.00 above but 30 to 60 Ton capacity.

Supply & fixing crane control cable 19 core FLP PVC insulated tinned copper Braided PVC sheathed flexible cable 1100 Volts grade 1.5 Sqmm size. complete all as specified and as directed .

Supply, laying, connecting and testing flexible PVC insulated multistranded 1100V grade copper conductor unarmoured cable of size 4 core 6 Sqmm conforming to IS 7098 (Part-I) 1988 including removing old unserviceable cable complete all as specified and as directed

Ditto- all as per item No 13.00 above but of size 4 core 10 Sqmm

Ditto- all as per item No 13.00 above but of size 4 core 4.00 sqmm

Ditto- all as per item No 13.00 above but of size 4 core 1.5 sqmm

Ditto- all as per item No 13.00 above but of size 3 core 2.5 sqmm

Supply & fixing in repairs MS powder coated 2.0mm thickness pendant push button panel with push button complete suitable for Crane of size 45cm x 15cm x 8cm complete all as per existing at site and as directed.

Supply and fixing in repairs crane side track rollers including proper supports and testing of rolling for long travel complete all as per existing at site and as directed.

Supply and fixing in repairs Crane LT Bearing No 6307 zz of existing make including testing after completion complete all as specified and as directed.

Supply and fixing in repairs Crane LT Bearing No 6308 zz of existing make including testing after completion complete all as specified and as directed.

Taking down old unserviceable VFD drive power module from crane control panels and supply and fix new 8 to 10 KW, VFD drive power module suitable for existing capacity of motor load for cranes including any change in the control panel including control wiring as per existing shall be included in the quoted rates complete all as specified and as directed.

Taking down old unserviceable VFD drive power module from crane control panels and supply and fix new 12-15 KW, VFD drive power module suitable for existing capacity of motor load for cranes including any change in the control panel including control wiring as per existing shall be included in the quoted rates complete all as specified and as directed.

Material & labour for taking down 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 including testing and commissioning complete all as specified and as directed. Note: The unit rate quoted shall deemed to be include for electrical disconnecting, dismantling of motor, transportation to workshop,repairing & re-installation in position.

Ditto- all as per item No.24.00 above but for 5 HP to 7.5 HP motor

Ditto- all as per item No.24.00 above but for 1 HP to 3 HP motor

Taking down following unserviceable parts of EOT crane of .5 Ton to 3 Ton capacity and S&F new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist/traverse rotary limit switch.

Break drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Break liner metallic type (set of two).

Taking down following unserviceable parts of EOT crane of 4 Ton to 10 Ton capacity and S&F new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist/traverse rotary limit switch.

Break drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Break liner metallic type (set of two).

Taking down following unserviceable parts of EOT crane of 12.5 Ton to 30 ton capacity and Supply & fixing new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist/traverse rotary limit switch.

Break drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Break liner metallic type (set of two).

Taking down following unserviceable parts of EOT crane of 40 Ton to 60 ton capacity and S&F new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist/traverse rotary limit switch.

Break drum with key groove

Electro magnetic brake

Thrustor brake for the hoist.

LT rotary type ON/OFF switch

Break liner metallic type (set of two).

Material & labour for carry out load and deflection test at 100 % full load with necessary instruments on hoisting, LT/CT for checking the performance of the cranes as directed by the Engineer In Charge for following capacity EOT crane Notes : (i) Load/deflection test is to be carried out by the contractor's expert rep in the relevant field in presence of the department rep 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 and the quoted rates are deemed to be the above.

0.5 to 1 Ton capacity EOT cranes. 0.5 Ton - 14 Nos, 1 Ton-20 Nos) (Total 14+20= 34 Nos

2 to 3 Ton capacity EOT cranes. 2 Ton- 36 2.5 Ton - 01 No & 3 Ton-24 Nos) (Total 36+1+24= 61 Nos

5 to 7.5 Ton capacity EOT cranes. 5 Ton - 35 Nos, 7.5 Ton- 3 Nos (35+3=38 Nos )

8 to 10 Ton capacity EOT cranes. 8 Ton-1 No & 10 Ton-16 Nos (1+16=17 Nos )

12.5 Ton to 30 Ton capacity EOT crane (Totlas 12.5 Ton- 1 Nos , 15 Ton- 3 Nos, 20 Ton-3 Nos & 30 Ton-3 Nos (G/Totals 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 auxiliary contactor for all motions upto 12 to 16 Amps.

Supply & fixing Over load relay 12 to 25 Amps

Supply & fixing in repairs festoon roller bearing suitable for 20 ton to 60 Ton capacity crane complete all as specified and as directed.

Supply & fixing in repairs 3 pole power contactor 70 Amps complete all as specified and as directed.

Supply & fixing in repairs 3 pole power contactor 45 Amps complete all as specified and as directed.

Supply & fixing in repairs 3 pole power contactor 16 Amps complete all as specified and as directed.

Comprehensive repair / service / maintenance of electrically operated head wall cargo lift hydraulic lift of 10 Ton capacity comprising of hoist motor for proper functioning, long travel motor, cross travel motor, micro hoist, gear boxes, electrical control panel, checking bearing temp and noise, check leakages between hydraulic hoses, fastening of all nuts and bolts, maintanance of door ramp and external fittings and other connected accessories to keep the door operational round the clock complete all as specified and as directed. Total -02 Nos. Note: (i) The servicing will be done by OEM or authorised rep of OEM and certificate in this regard shall be submitted alongwith RAR/FB (ii) A panelty of Rs 2000/- per month will be imposed in case of non attendant of lift. (iii) Replacement of any minor spare parts required will be included in the quoted rates. (iv) The technician must attend during the docking and undocking.

Comprehensive repair / service / maintenance of electrically operated power pack unit for jack of 10 Ton capacities comprising of hoist motor for proper functioning, long travel motor, cross travel motor, micro hoist, gear boxes, electrical control panel, checking bearing temp and noise, check leakages between hydraulic hoses, fastening of all nuts and bolts, maintanance of door ramp and external fittings and other connected accessories to keep the door operational round the clock complete all as specified and as directed. Total -02 Nos. Note: (i) The servicing will be done by OEM or authorised rep of OEM and certificate in this regard shall be submitted alongwith RAR/FB (ii) A panelty of Rs 2000/- per month will be imposed in case of non attendant of lift. (iii) Replacement of any minor spare parts required will be included in the quoted rates. (iv) The technician must attend during the docking and undocking.

Material and labour for rewinding the electric motor of capacity 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 and following works are deemed to be included in 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 with sand paper to remove all carbons. (c) Insert insulating materials such as insulating paper, sleeves. (d) Rewinding the stator with existing size of super enameled copper winding, varnishing and heating up at desired temp to achieve the particular Ohm resistance. (e) Clean the rotor and assembling in motor. (f) Connection/coupling the motor with system, connect all electric/ earth connection with providing nuts/ bolts/ washers at its original position and testing on load complete all as specified and directed.

Supply and fixing wire rope stranded heavy duty outer dia 10/12 mm complete all as specified and directed.

Supply and fixing wire rope stranded heavy duty outer dia 16 mm complete all as specified and directed.

Supply and fixing wire rope stranded heavy duty outer dia 20 mm complete all as specified and directed.

Supply and fixing PLC and HMI suitable for power pack unit of jack of capacity 10 Ton as per existing type complete all as specified and directed.

Supply & fixing in repair Micro Clutch Plate suitable for EOT crane of capacity up to 5 Ton as per existing type complete all as specified and as directed.

Supply & fixing in repair Micro Clutch Plate suitable for EOT crane capacity from 7.5 Ton to 20 Ton as per existing type complete all as specified and as directed.

Supply & fixing in repair Micro Clutch Plate suitable for EOT crane capacity from 30 Ton to 60 Ton as per existing type complete all as specified and as directed.

Supply & fixing in repair Control Transformer existing type suitable for EOT Crane of any capacity complete all as specified and as directed.

Supply of fixing in repairs induction motor 3 phase 415 volts fixed at EOT crane of capacity 5 HP complete all as specified and as directed.

NOTE : The tenderer shall visit the site of work with prior permission of GE and ascertain the actual make, model of parts/eqpts and conditions of the parts and scope of work. Make and size of items of spares of crane shall be same size and make of existing cranes.

shakti engineering and electrical works (BID ID -3128066)

Darpan Construction (BID ID -3129344)

Shree Ayyappa Engineering (BID ID -3128353)

cooltech engineering services (BID ID -3128509)