COMPREHENSIVE MAINTENANCE OF EOT CRANES AT VARIOUS CENTRES AT NAVAL DOCKYARD UNDER GE NW KUNJALI COLABA MUMBAI 2nd CALL

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.

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

2.5 Ton capacity EOT crane - 01 Nos for 11 month ( 11 x 1)=11

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

5 Ton capacity EOT crane - 35 Nos for 11 month ( 11 x35)=385

7.5 Ton capacity EOT crane - 03 Nos for 11 month ( 11x3)=33

8 Ton capacity EOT crane - 1 Nos for 11 month ( 11x01)=11

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

12.5 Ton capacity EOT crane - 1 Nos 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 Nos for 11 month ( 11x01)=11

Note for item No. 1.01 to 1.13 :- 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 / code and as per the standard code / norms of Government and rate quoted is inclusive 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. (vi) Insurance coverage for all technicians, workers involved in the works. (vii) Record / maintain register of all maintenance carried out all as specified and as directed by Engineer-in-charge. (viii) Adherence to safety rules and regulations in respect of EOT cranes. (ix) Adherence to security rules and regulations of the Naval Dockyard, Mumbai (x) A list of makes / brands of spares / materials to be incorporated in the works shall be got approved immediately after getting the work order. (xi) 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 or equivalent complete all as specified and as directed.

Supply and Fix in repair 12mm thick structure 6/19 inner fibre strands complete all as specified and as directed.

Supply and Fix in repair 10mm thick structure 6/19 inner fibre strands complete all as specified and as directed.

Supply and Fix in repair 19mm thick structure 6/19 inner fibre strands complete all as specified and as directed.

Material and 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 .05 to 5 Ton capacity EOT cranes complete all as specified and as directed.

All as per item No 6 here-in-before but 6 to 10 Ton

All as per item No 6 here-in-before but 11 to 20 Ton

All as per item No 6 here-in-before but 21 to 60 Ton

Material and labour for dismantling, removing, taking down the gear box assembly of main hoist of cranes of capacity 0.05 to 5 tons and overhauling the gear box incl 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, incl fixing back to the system alignment with complete testing and commissioning of EOT crane complete all as specified and as directed.

All as per item No 7 here-in-before but 7.5 to 20 Ton

All as per item No 7 here-in-before but 30 to 60 Ton

Supply & fixing 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

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 including removing of old unserviceable cable etc., complete all as specified and as directed

All as per item No. 9 here in before, but of size 4 core 10 Sqmm

All as per item No. 9 here in before, but of size 4 core X 4.00 sqmm

All as per item No. 9 here in before, but of size 4 core X 1.5 sqmm

All as per item No. 9 here in before, but of size 3 core X 2.5 sqmm

Supply & fix in repair MS powder coated 2.0mm thickness pendant push button panel with push button complete suitable for Crane of size 45cmX15cmX8cm all as per existing at site all as specified and as directed.

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

Supply and fix in repairs Crane LT bearing including removing of existing old unserviceable bearing of any type or make as under and testing all as specified and as directed.

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 fix new VFD drive power module suitable for existing capacity of motor load for cranes complete all as specified and as directed. .Make : yaskawa/ Siemens or equivalent as approved by GE.

Material and 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 enameled 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:(i) The unit rate quoted is deemed to include for electrical disconnecting, dismantling of motor,transportation to workshop,repairing & re-installation in position.

All as per item No.14 here in before, but for 5 hp to 7.5 hp motor

All as per item No.14 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 and fixing new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist rotary limit switch.

Brake 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 the following unserviceable parts of EOT crane of 4 Ton to 10 Ton capacity and Supply and fixing new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist rotary limit switch.

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

Hoist rotary limit switch.

Brake 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 the following unserviceable parts of EOT crane of 40 Ton to 60 ton capacity and Supply and fixing new parts of same make and capacity as per existing, complete all as specified and as directed.

Hoist rotary limit switch.

Brake 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).

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

0.05 to 3 Ton capacity EOT cranes Totals 0.5 Ton - 14 Nos, 1 Ton-20 Nos ,2 Ton- 36 2.5 Ton - 01 Nos & 3 Ton-24 Nos) (Totals 14+20+36+1+24= 95 Nos

5 to 10 Ton capacity EOT cranes ( Totals 5 Ton - 35 Nos, 7.5 Ton- 3 Nos, 8 Ton-1 Nos & 10 Ton-16 Nos (35+3+1+16=55 Nos )

12.5 Ton to 30 Ton capacity EOT crane (Total 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 (Totals 40 Ton-3 & 60 Ton-01 (G/Totals= 3+1=4)

Supply and fixing in repairs MCCB 250 Amps, 4 pole, 36 KA rating adjustable thermal and adjustable magnetic setting complete all as specified and as directed.

Supply and fixing in repairs Anxillary contactor for all motions upto 12 to 16 Amps complete all as specified and as directed.

Supply and fixing in repairs Over load relay 12 to 25 Amps complete all as specified and as directed.

Supply and fixing in repairs relay type timer 10 to 30 seconds complete all as specified and as directed.

Supply and fixing in repairs Kitkat fuse 6 to 32 Amps complete all as specified and as directed.

Supply and fixing in repairs 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.

Supply and fixing in repairs 3 pole power contactor 70 Amps including taking down existing unserviceable contactor complete all as specified and as directed.

Supply and fixing in repairs 3 pole power contactor 45 Amps including taking down existing unserviceable contactor complete all as specified and as directed.

Supply and fixing in repairs 3 pole power contactor 16 Amps including taking down existing unserviceable contactor complete all as specified and as directed.

Supply and fixing in repairs safety buzzer 250W including taking down existing unserviceable buzzer complete all as specified and as directed.

Supply and fixing in repairs hoist hook universal type suitable for 10 ton to 60 Ton capacity as per existing including renewal of wornout bearing complete all as specified and as directed.

All as per item No. 30 here in before, but of capacity upto 5 tonns

Supply & Fixing in repair/ replacement of brake liner show suitable for capacity as per existing EOT Crane, comlete all as specified and as directed.

Supply & fixing in repair of micro clutch plate suitable for capacity as per existing EOT Crane, comlete all as specified and as directed.

S & F in repairs of control transfer suitable for capacity as per existing EOT Crane, comlete all as specified and as directed.

Supply of control panel box with installation , Testing & commissioning accessories like as cables, PVC Channesl, Lugs, terminals, Dinrails and Hardware's for 0.5 Ton to 20 TON EOT Crane complete all as specified and as directed.

Dismantling of existing reduction gear box with device for hoist/CT/LT motion traverse for EOT cranes of load 1 Ton to 10 Ton capacity and carrying out replacement of following unserviceable Parts/ Carrying out misc repair and refixing the gear box after checking alignment of brake drum & motor and motor & gearbox, in existing position, complete all as specified and directed :- Replacing the worn out shaft seals & bearing (b) Replacement of internal cover gasket, (c) Replacement of Gear coupling with nuts & bolts complete.

Material and labour for taking down and repair of existing thruster brake assembly unit and including rewinding of thuster brake unit as per existing type/ gauge of winding material and replacement of oil seal with connecting fixing accessories as per existing sample/ model suitable for 1 Ton to 10 Ton EOT Cranes and testing on load complete all as specified and as directed.

Supply and fixing in replacement of cable carrier reel system suitable for 2.0 Ton EOT crane complete all as specified and directed. Make : Albrasco/ Meagtech/ Vimal.

Supply and fixing in replacement of unserviceable metal body wheel brushes/ bearing and washer suitable for safe operation system as per existing sample/ model suitable for operating 0.5 to 5 Ton HOTcomplete all as specified and as directed.

Supply and fixing in replacement of unserviceable worn worm out electromagnetic flame proof thuster brakes set suitable for holding the pressure up to 18 Kg/ Cm2 or as per existing sample/ type along with connecting fixing accessories as per existing sample/ model suitable for 1 Ton to 10 Ton EOT cranes 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 plant/eqpts and conditions of the plants and scope of work. Make and size of items of spares of crane shall be same size and make of existing.

PAMS ENTERPRISES

Shree Ayyappa Engineering

cooltech engineering services

devan enterprises