REPAIR/ROUTINE MAINTENANCE OF EOT CRANES AT INS SHIKRA AND BOOT POOL AND OTHER CONNECTED MISC E/M ITEMS UNDER GE (NW) NOFRA, 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, rope and other connected accessories installed at various hangers at any height at INS Shikra and Boat Pool to keep the cranes operational round the clock etc complete all as specifed and as directed.

1 Ton capacity HOT crane - 02 Nos for 11 Month

2 Ton capacity EOT crane - 03 Nos for 11 Month

10/5 Ton capacity EOT crane - 01 Nos for 11 Month

20 Ton capacity EOT crane - 01 Nos for 11 Month

Dry Dock type electric 6 Ton capacity Capstan Winch - 02 Nos for 11 Month

Winch electrically operated 45 Ton capacity - 01 Nos for 11 Month

Note:- (i) The repair/ servicing/ maintenance works for the EOT/HOT/Capstan/Winch including Hoist hook universal type shall be carried out by the trained/ skilled technicians and shall confirm to the standrad engineer practice/ code and as per the standard code / norms of Government and rate inclusive of minor repairs. (ii) The crane shall be inspected and serviced at the rate of minimum of one service per month. (iii) Attending any breakdown within 24 hrs and restoring the service. (iv) Insurance coverage of all tech, workers involved in the works. (v) Record/ maintain register of all maintenance carried out as specified and as directed by Engr in Charge. (vi) Adherence to safety rules and regulation in respect of EOT cranes. (vii) Adherence to security rules and regulations to the INS Shikra and Boat Pool. (viii) All tools, instruments and plants required for carrying out the works shall be provided by the contractor.

Providing material and labour for load testing of over head traviling crane of capacity 1 Ton HOT crane as per manufacture norm for safe working rating load including arrangment of dead load measurement unit with link steel wire rope and requred suitable load for testing with duly varying the load upto 110% of the rated capacity load of crane including trasporting to testing load at difference location and also providing load test certificate in triplicate set from authorised crane inspector duly signed by inspector authority of crane complete all as specified and directed.

All as per item No 2 here in before but 2 Ton EOT crane

All as per item No 2 here in before but 10/5 Ton EOT crane

All as per item No 2 here in before but 20 Ton EOT crane

Supply and filling hydraulic Gear oil 90W/40 suitable for EOT cranes.

Material & Labour for preparation of old painted steel surfaces of EOT/HOT cranes consisting of girders and end carriages, trolleys and hoist with motors, gear box or wheels, electric panel boards and resistance box , rope pully, CT rails, platform, sheave block with hook etc and applying one coat of synthetic enamel paint for 1 Ton 5 Ton capacity complete all as specified and directed by Engr in Charge.

All as per item No 7 here in before but 10 Ton to 20 Ton crane

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

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

Material & Labour for dismanteling, removing, taking down the gear box assembly of main hoist of cranes of capacity 1 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, inc fixing back to the system alignment with complete testing and commissioning of EOT/HOT crane all as specified and as directed.

All as per item No 11 here in before but 10 Ton to 20 Ton crane

Supply and fix in repairs Crane LT bearing No 6307zz including removing of existing old unserviceable bearing of any type or make as under and testing all as specified and as directed.

All as per item No 13 here in before but bearing No 6308 zz

Taking down old unsv main VFD drive of 20 Ton crane from control panel and supply and fix new VFD main drive power module suitable for existing capacity of motor load complete all as specified and directed by Engr in Charge.

Taking down old unsv cross travell drive of 20 Ton crane from control panel and supply and fix new corss travell drive suitable for existing capacity of motor load complete all as specified and directed by Engr in Charge.

Material & Labour for taking down the following capacity of defective slip ring/ squirrel cage 02 HP motor of 3 phase 415 volt and rewinding with the same gauge super enameled copper winding wire reinsulating, varnishing, servicing, reassembling and re-installing to its original position including testing and commissioning complete all as specified and directed by Engr in Charge.

All as per item No 17 here in before but 3 HP motor

All as per item No 17 here in before but 5 HP motor

All as per item No 17 here in before but 10 HP motor

All as per item No 17 here in before but 15 HP to 30 HP motor

Supply and fixing in replacement of power contactor 3 phase MNX series /Freedom Series type or as per existing sample / model of rated capacity 10 Amp to 16 Amp 415 volts along with suitable rating of NC/NO type Auxilary contactor block complete all as specified and directed. .

All as per item No 22 here in before but 20 Amp to 32 Amp

All as per item No 22 here in before but 40 Amp to 63 Amp

Taking down the following unserviceable parts of EOT crane of 2 Ton to 10/5 Ton capacity and Supply & Fixing 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).

Supply and fix over load relay 10 Amp to 32 Amp complete all as specified and directed.

Supply & Fixing Auxillary contactor for all motions upto 8 to 32 Amps complete all as specified and as directed by Engineer-in-charge.

Supply and fix control panel with installation & commissioning accessories like as cable , channels, lugs, terminals drain rail and hardware for 2 Ton to 20 Crane complete all as specifed and directed by Engr in Charge.

Supply and fix micro clutch plate suitable for capacity as per existing EOT crane of 2 Ton to 20 Ton capacity complete all as specified and directed.

Supply and fix in repair control transformer suitable as per existing EOT crane complete all as specified and directed by Engr in Charge.

Supply and fix host hook universal type suitable for up to 10 Ton crane or as per existing including renewal of wornout bearing complete all as specified and directed be Engr in Charge.

Supply and fixing of Electro Hydraulic thruster mounting assembly complete suitable for mounting of 34 Kgs size/ capacity Hydraulic thruster all as existing type with nut, bolts etc including dismantling and removing old unserviceable thruster assembly for 02 to 20 Ton EOT Crane complete all as specified and directed.

Supply & Fixinging crane control cable 16/19 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.

Supply, laying, connecting and testing flexible PVC insulated multistranded 1100V grade copper conductor unarmoured cable of size 4 core 2.5 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.

Supply and fix single phase failure relay suitable for crane 2 Ton to 20 Ton capacity complete all as specified and directed by Engr in Charge.

Supply and fix in replacement cable tray GI 100MM X 50 MM alongwith connected accessories complete all as specified and directed by Engr in Charge

Taking down copper/aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators,sockets,light fitting etc. removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) and making good disturbed surfaces of walls, floors, etc complete all as specified and directed by Engr in Charge.

Material and Labour for Point wiring complete with 1.5 sqmm single core multistranded FRLS PVC insulated sheathed copper conductors 1100 volts grade drawn through & including PVC Casing/Caping of suitable size, ISI marked with accessories concealed in wall/ceiling/truss including cutting chases, pinning in etc with PVC non metallic ISI marked terminal boxes concealed wall including one FRLS PVC insulated & sheathed multistranded green colour copper conductor 1.5 sqmm as earth continuity conductor connected to common earth as earth dolly.

One light point controlled by one switch SP one way.

One ceiling fan point controlled with one 5A switch

One exhaust fan point controlled with one 5A switch

One 3 pin socket outlet 5Amps on independant board.

One 3 pin socket outlet 5Amps on same board with other switches.

Material and Labour for point wiring complete with 4 sqmm single core multistranded FRLS PVC insulated unsheathed copper conductors 1100 volts grade drawn through & including PVC Casing/Caping of suitable size , ISI marked with accessories concealed in wall/ceiling/truss etc with PVC non metallic ISI marked terminal boxes conealed in wall including one FRLS PVC insulated & unsheathed multistranded green colour copper conductor 4 sqmm as earth continuity conductor connected to common earth as earth dolly complete all as specified and directed.

Material and Labour point wiring for 15 Amps socket complete with 2.5 sqmm single core multistranded FRLS PVC insulated unsheathed copper conductors 1100 volts grade drawn through and including PVC casing caping of size not less than 20 / 25 mm dia including PVC bend, tee joints etc as per site requirement, ISI marked with accessories fixed on wall/ceiling/truss etc with PVC non metallic ISI marked terminal boxes / modular boxes surfacing on wall including one FRLS PVC insulated & unsheathed multistranded green colour copper conductor 4 sqmm as earth continuity conductor connected to common earth as earth dolly.

Supply and fixing Modular Switch , 6Amp, One way, 1 module, ISI marked complete all as specified and directed.

Supply and fixing Modular Switch , 16Amp, One way, 1 module, ISI marked complete all as specified and directed.

Supply and fixing Modular Socket , 6 Amps, 2/3 pin combined 3 module, ISI marked complete all as specified and directed.

Supply and fixing Modular Socket , 16Amps, 6 pin combined 3 module, ISI marked complete all as specified and directed.

Supply and fixing Modular type, electronic fan regulator ( 5 step ),450 Watts, 230 volts, 2 module, ISI marked complete all as specified and directed.

Supply and fixing ceiling rose surface bakelite with ISI mark, flush type with ISI mark three terminals complete all as specified and directed.

Supply and fixing Modular white cover plate with Frame 2 Module, ISI markedcomplete all as specified and directed.

Supply and fixing Modular white cover plate with Frame 3 Module, ISI marked complete all as specified and directed.

Supply and fixing Modular white cover plate with Frame 4 Module, ISI marked complete all as specified and directed.

Supply and fixing Modular white cover plate with Frame 6 Module, ISI marked complete all as specified and directed.

Supply and fixing Modular white cover plate with Frame 8 Module, ISI marked complete all as specified and directed.

Supply and fixing Modular white cover plate with Frame 12 Module complete all as specified and directed.

Supply and fixing Modular metal flush box 2 module, ISI marked complete all as specified and directed.

Supply and fixing Modular metal flush box 3 module, ISI marked complete all as specified and directed.

Supply and fixing Modular metal flush box 4 module, ISI marked complete all as specified and directed.

Supply and fixing Modular metal flush box 6 module, ISI marked complete all as specified and directed.

Supply and fixing Modular metal flush box 8 module , ISI marked complete all as specified and directed.

Supply and fixing Modular metal flush box 12 module, ISI marked complete all as specified and directed.

Supply and fixing baton integral sleek extruded polycarbonate LED channel with white acrylic cover of 1x20WH with accessories internally prewired and incl connecting up with twin core twisted flexible copper conductor cable of suitable size complete all as specified and directed.

Supply and fixing baton integral sleek extruded polycarbonate LED channel with white acrylic cover of 1x10 WH with accessories internall prewired and including connecting up with twin core twisted flexible copper conductor cable of suitable size complete all as specified and directed .

Taking down unserviceable light and Supply and fixing Ceiling light 36 WATT 2 ft X 2 ft, min 110 lumen per watt, Recess mounting led ultra slimceiling light with extruded aluminium housing and milky diffuser.LED ultra slim pane complete all as specified and directed.

Material & Labour for Lamp holder, PVC/ Polycarbonate type with cord grip cap suitable for pendant fittings complete all as directed by engr-in-charge.

Supply and fixing LED lamp suitable for 14 watts, min 110 lumen per watt, 240 volts, single phase, 50 Hz, Lumen 1450 AC supply.

Supply and fixing 12 way Double door type having protection IP-42, with 200 Amps rated bus bar connecting with existing wiring circuits by providing copper pin terminals of suitable size complete all as directed.

Supply and fixing MCB, DB, SPN 8 way double door with protection type IP-42 with 200 Amps rated bus bar connecting with existing wiring circuits by providing copper pin terminals of suitable size complete all as specified and directed.

Material & Labour for sheet metal enclosures for DB 2 way with 100 amp rated busbar of 240 V complete all as specifed and directed.

Supply and fixing MCB TPN (four pole) 63 Amps, 240 Volts, 10 KA complete all as specifed and direced.

Supply and fixing , MCB SPN 40 to 63 Amps, 10 KA , C cureve complete all as specified and directed.

Supply and fixing , MCB SP 6-32 Amps, 10 KA rating complete all as specified and directed.

Taking down old unserviceable submain cable of any size and capacity and finishing wall surfaces.

Supply and fixing Submain wiring with proper colour coding, 2 single core FRLS 1100 volts grade cable with stranded copper conductor of size 4 Sqmm in and including PVC casing caping of suitable size, ISI marked including 1 single core cable with stranded copper conductor of size 4 Sqmm (green colour) for earthing complete all as specified and directed. Note : 2 runs of 4 Sqmm cable, 1 run of PVC Conduit and 1 run of 4 Sqmm cable shall be measured as 1 Run.

-do- but As item No 71 but 06 Sqmm sub main

-do- but As item No 71 but 10 Sqmm sub main

Taking down old unserviceable MCCB .Supply and fixing MCCB, 415 volts, 4 pole of cap DPX 630 Amps, 50 KA, ICS = 100% ICU complete all as specified and directed.

Taking down old unserviceable MCCB .Supply and fixing MCCB, 415 volts, 3 pole of cap 400 Amps, 36 KA, ICS = 100% ICU complete all as specified and directed. .

Material and labour for cleaning all dust filling cavities with filler, prepartation of surfaces, painting of ceiling fans , in situ with one coat of synthetic enamel paint by spray painting complete all as specified and directed . .

Material and labour for cleaning all ldust filling cavities with filler, prepartation of surfaces, painting of Exhaust fan , air circulator, wall mounting in situ with one coat of synthetic enamel paint by spray painting complete all as specified ;and directed.

Material & Labour for rewinding of unserviceable ceiling fans lof size 1200/1400 sweep with approved copper enamalled wire of suitable guage, varnishing, replacing existing split/ quarter pins, rubber bush, capacitor 2.5 Mfd and including taking down and refixing in exsiting position and testing complete all as specified and directed by Engr in charge.

Material & Labour for rewinding of unserviceable exhaust fans lof size 225/300/450/630mm sweep with approved copper enamalled wire of suitable guage, varnishing, replacing existing nut bolts pins, rubber bush, capacitor , bearing ,m bush, frastner etc and including taking down and refixing in exsiting position and testing complete all as specified and directed by Engr in charge.

Supply only bearing No 6201 for 1200/1400mm sweep ceiling fans complete all as specifed and directed.

Supply only bearing No 6202 for 1200/1400mm sweep ceiling fan complete all as specified and directed.

Darpan Construction (BID ID -3126357)

Shree Ayyappa Engineering (BID ID -3125382)

cooltech engineering services (BID ID -3127069)