GE (W)/HSR-57/2024-25 REPAIR MAINT OF EOT OVER HEAD CRANES AND CONNECTED WORKS AT HISAR MIL STATION

Amount

M&L for dismantling of various components of Flame proof Electrically Operated EOT Crane (Make : Rockwell) of following capacity ranging from 2 Ton to 15 Ton of span (45 Metre maximum) of cross/long travel and height of hoist (10 metre maximum) for carrying out overhauling and repairing various items (Electric motors, Main gear box, cross travel gear box, limit switch, pandent switch, electric control panel, thrusters, break drums, etc) and re-fixing the components in its position, tighting all nut & bolts / screws after carrying out overhauling / repair work including cleaning and removing old grease/ oil from tracks, steel wire rope, main hoist motor drum with approved cleanser and steel wire brush, regreasing with new grease for smooth running of wheels, pulleys, steel wire rope, etc and replacing minor extras / hardware as required, complete rewiring of electric control panel (consisting of VFD, transformer, contactors, choke / line reactor, electronic circuit) by new wire as per existing installed wire, including reprogramming of Variable Frquency Drives (VFD) with the help of laptop for new parameter entry, cleaning control panel with air blower, repairing all contacts of Pendant command control switch including replacing unserviceable parts such as push button, contacts, replacing broken cable plastic trollys, replacing all broken / leakage shaft seals/ oil seals / 'O' seals / 'V' seals of any size of thruster / gear box and painting of crane with one coat of synthetic enamel paint of approved colour including LT, CT, etc after preparation of surfaces & writing the technical details of Crane as per existing data and load testing at full load and 10% over load all as specified in relevant IS code for flame proof EOT crane after carrying out all repair works complete all as specified and as directed.

Notes : (i) Repair/overhauling of EOT Crane (Make : Rockwell) shall be carried out through authorized service agency of Original Equipment Manufacturer (OEM). (ii) Make and model of part to be replaced shall be same as used/recommended by OEM. (iii) Repairing/replacement of unserviceable Major main components catered for separately under respective items of this Schedule shall be measured & paid for separately. (iv) Grease/ Push buttons/ contacts /plastic cable trolly included in quoted rates of this item and no extra payment shall be made. (v) Contractor shall be responsible for provision of load materials capacity ( 2 Ton / 5 Ton/ 15 Ton) , their transportation for load testing, and after load testing, speed testing and deflection testing, contractor shall give the certificate that crane is serviceable and ready to use for load lifting. (vi) Certificate shall contain all details such as all type of speed, saging of crane, load lift height etc.

EOT Crane of Capacity 2 Ton

EOT Crane of Capacity 5 Ton

EOT Crane of Capacity 15 Ton

M&L for repair/overhauling/servicing of Main Hoist Gear Box/ Cross travel gear box/ Long travel gear box of flame proof EOT Crane (Make : Rockwell) of following capacity including cleaning, recutting, polishing the gear teeth after remetalling and making good, remetalling of driving shaft, machining, finishing, polishing and making good for smooth running of crane, replacing worn out bushes, bearings on drive and non drive ends, reassembling all the components after necessary repair works, replacing the gear oil of the gear box upto required level, making adjustment to ensure trouble free smooth running of gear system complete all as specified and directed. Notes : (i) Repair/overhauling/servicing of Gear Box shall be carried out through authorized service agency of Original Equipment Manufacturer (OEM). The contractor shall submit documentary proof/evidence in this regard before taking Gear Box under repair, overhauling, servicing, etc. (ii) Make and model of part to be replaced shall be same as used/recommended by OEM. (iii) Gear oil, ball bearing & spare parts as required shall be measured and paid for separately under respective items of this Schedule.

EOT Crane of Capacity 2 Ton

EOT Crane of Capacity 5 Ton

EOT Crane of Capacity 15 Ton

M&L for repair/overhauling the Flame proof electro hydrauilc Thruster & brake of following capacity of EOT Crane (Make : Rockwell) with gear holding brakes of Hoist / Creep / Cross travel and Long travel, rewinding the burnt out winding of electrohydrauiic thruster motor with super enamel copper wire of existing gauge and varnishing, heating and testing etc complete repairing of oil pump by replacing worn out parts, oil seal, ‘O’ ring and bush and bearing - 02 Nos (6201), check nuts, lock pin all as required including draining out old unserviceable oil complete all as specified and directed :- Notes : (i) Repair/overhauling of Thruster shall be carried out through authorized service agency of Original Equipment Manufacturer (OEM). The contractor shall submit documentary proof/evidence in this regard before taking Thruster under repair, overhauling, etc. (ii) Make and model of part to be replaced shall be same as used/recommended by OEM.

Main hoist Thruster of 15 Ton EOT Crane.

Main hoist Thruster of 2 Ton EOT Crane.

Cross Travel Thruster of 15 Ton EOT Crane.

Cross Travel Thruster of 2 Ton EOT Crane.

Long Travel Thruster of 15 Ton EOT Crane.

Long Travel Thruster of 2 Ton EOT Crane.

Main hoist Thruster of 5 Ton EOT Crane.

Cross Travel Thruster of 5 Ton EOT Crane.

Long Travel Thruster of 5 Ton EOT Crane.

Supply only Hydraulic oil (ISI marked) of approved grade for filling in the electrohydrauilc thruster upto specified level under the relevant item of this Schedule complete all as directed and directed.

Supply only Gear oil (ISI marked) of 80W-90 grade for filling in the gear boxes upto specified level under the relevant item of this Schedule complete all as directed and directed.

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal of shaft on main hoist wire rope drum on both side for 15 Ton capacity gear box for main hoist for replacement under the relevant item of this Schedule complete all as directed and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal of shaft on main hoist wire rope drum on both side for 2 Ton capacity gear box for main hoist for replacement under the relevant item of this Schedule complete all as specified and directed. Make: TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal on both side for Cross Travel of 15 Ton capacity EOT Crane for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal on both side for Cross Travel of 2 Ton capacity EOT Crane for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal for Long Travel of 15 Ton capacity EOT Crane for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal for Long Travel of 2 Ton capacity EOT Crane for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal of shaft on main hoist wire rope drum on both side for 5 Ton capacity gear box for main hoist for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal on both side for Cross Travel of 5 Ton capacity EOT Crane for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply only Ball bearing along with shaft seal/ oil seal / 'O' seal / 'V' seal for Long Travel of 5 Ton capacity EOT Crane for replacement under the relevant item of this Schedule complete all as specified and directed. Make : TATA / SKF / NBC

Supply and fixing galvanized Steel wire rope conforming to IS-2266-2002 of nominal diameter of 16mm having 6x19M(12/6-1) multi stranded construction steel core CRW grade 1570, having mass 97.4 Kg/100 RM with minimum breaking force of 102 KN suitable for lifting load of 15 Ton including greasing complete all as specified and directed including taking down old unserviceable steel rope. Make : Usha / Bombay Foot / National or as used/recommended by OEM. Notes : (i) The steel rope shall be best performed plough straight non rotating type conforming to IS-2266. (ii) The breaking strength of the rope shall not be less than 6 time the safe working load thereon. (iii) Test Certificate of manufacturer shall be submitted by the contractor.

Supply and fixing galvanized Steel wire rope conforming to IS-2266-2002 of nominal diameter of 9mm having 6x19M(12/6-1) multi stranded construction steel core CRW grade 1570, having mass 30.8 Kg/100 RM with minimum breaking force of 42 KN suitable for lifting load of 2 Ton including greasing complete all as specified and directed including taking down old unserviceable steel rope. Make : Usha / Bombay Foot / National or as used/recommended by OEM. Notes : (i) The steel rope shall be best performed plough straight non rotating type conforming to IS-2266. (ii) The breaking strength of the rope shall not be less than 6 time the safe working load thereon. (iii) Test Certificate of manufacturer shall be submitted by the contractor.

Supply and fix in replacement Power contactor of capacity 70 Amps, AC-03, 415 Volts, 50 Hz, 3 Ph, 4 pole along with auxiliary contacts 2NO + 2NC, Coil voltage - 110 V, complete all as specified and directed.

Supply and fix in replacement Power contactor of capacity 12 Amps, AC-03, 415 Volts, 50 Hz, 3 Ph, 4 pole along with auxiliary contacts 2NO + 2NC, Coil voltage - 110 V, complete all as specified and directed.

Supply and fix in replacement Power contactor of capacity 16 Amps, AC-03, 415 Volts, 50 Hz, 3 Ph, 4 pole along with auxiliary contacts 2NO + 2NC, Coil voltage - 110 V, complete all as specified and directed.

Supply and fix in replacement Power contactor of capacity 32 Amps, AC-03, 415 Volts, 50 Hz, 3 Ph, 4 pole along with auxiliary contacts 2NO + 2NC, Coil voltage - 110 V, complete all as specified and directed.

Supply and fix in replacement Power contactor of capacity 45 Amps, AC-03, 415 Volts, 50 Hz, 3 Ph, 4 pole along with auxiliary contacts 2NO + 2NC, Coil voltage - 110 V, complete all as specified and directed.

Supply and fix in replacement Power contactor of capacity 10 Amps, AC-03, 415 Volts, 50 Hz, 3 Ph, 4 pole along with auxiliary contacts 2NO + 2NC, Coil voltage - 110 V, complete all as specified and directed.

Supply and fix in replacement Flame proof three phase Rotary type limit switch with 35:1 to 50:1 ratio as per site, suitable for 2 Ton to 15 Ton capacity EOT crane for Main hoist / long travel / Cross Travel of make as used / recommended by OEM, complete all as specified and directed.

Supply and fix in replacement Flame proof three phase lever type limit switch as per site, suitable for 2 Ton to 15 Ton capacity EOT crane for Main hoist / long travel / Cross Travel of make as used / recommended by OEM, complete all as specified and directed.

S&F in replacement Trailing flexible copper conductor cable (ISI marked) of size 1.5 Sqmm 16 Core, 1100 Volt, with & including movable clamps and single flanged rollers, complete all as specified and directed.

S&F in replacement PVC insulated & FR PVC round sheathed, multi stranded copper conductor cable (ISI marked) steel wire armoured of size 2.5 Sqmm 4 Core, 1100 Volt, complete all as specified and directed.

S&F in replacement PVC insulated & FR PVC round sheathed, multi stranded copper conductor cable (ISI marked) steel wire armoured of size 4 Sqmm 4 Core, 1100 Volt, complete all as specified & as directed.

S&F in replacement PVC insulated & FR PVC round sheathed, multi stranded copper conductor cable (ISI marked) steel wire armoured of size 6 Sqmm 4 Core, 1100 Volt, complete all as specified and directed.

S&F in repair Flame proof Thruster brake shoes for 2 Ton to 15 Ton EOT crane of size 100 mm x 125 mm x 12 mm thick as per existing installed on site with necessary copper rivets etc complete of make 'Ferrodo liner' or 'Usha' or as used / recommended by OEM, complete all as specified and directed.

M&L for disconnecting the flame proof electric motor of capacity upto 5 HP, 3 Phase, 415 Volt from the EOT cranes transporting to workshop, taking out old winding and rewinding the motor with same gauge of copper wire, varnishing, overhauling complete including replacing the ball bearing on both ends, re-fitting to crane, re-connecting and testing complete all as specified and directed.

M&L for disconnecting the flame proof electric motor of capacity upto 5 HP to 10 HP, 3 Phase, 415 Volt from the EOT cranes transporting to workshop, taking out old winding and rewinding the motor with same gauge of copper wire, varnishing, overhauling complete including replacing the ball bearing on both ends, re-fitting to crane, re-connecting and testing complete all as specified and directed.

M&L for disconnecting the flame proof electric motor of capacity 10 HP to 15 HP, 3 Phase, 415 Volt from the EOT cranes transporting to workshop, taking out old winding and rewinding the motor with same gauge of copper wire, varnishing, overhauling complete including replacing the ball bearing on both ends, re-fitting to crane, re-connecting and testing complete all as specified and directed.

Supply and fix in replacement Variable Fequency Drive (VFD) / Vector Inverter / AC drive suitable for 3 phase electric motor used for EOT crane gear working on 3 phase 380- 480V power supply, protective structure enclosed type, cooling system force, permisible frequency fluctuation ±5%, 0.2 Hz- 400Hz having suitable input/output for 1 HP - 3.5 HP electric motor complete all as specified and directed. Make :- Mitsubishi/ Yaskawa Electric Corporation / CG/ ABB / L&T or as per installed on site as recommended by OEM.

Supply and fix in replacement Variable Fequency Drive (VFD) / Vector Inverter / AC drive suitable for 3 phase electric motor used for EOT crane gear working on 3 phase 380- 480V power supply, protective structure enclosed type, cooling system force, permisible frequency fluctuation ±5%, 0.2 Hz- 400Hz having suitable input/output for 5 HP - 7.5 HP electric motor complete all as specified and directed. Make :- Mitsubishi/ Yaskawa Electric Corporation / CG/ ABB / L&T or as per installed on site as recommended by OEM.

Supply and fix in replacement Variable Fequency Drive (VFD) / Vector Inverter / AC drive suitable for 3 phase electric motor used for EOT crane gear working on 3 phase 380- 480V power supply, protective structure enclosed type, cooling system force, permisible frequency fluctuation ±5%, 0.2 Hz- 400Hz having suitable input/output for 10 HP - 15 HP electric motor complete all as specified and directed. Make :- Mitsubishi/ Yaskawa Electric Corporation / CG/ ABB / L&T or as per installed on site as recommended by OEM.

Supply and fix in replacement 3 phase line reactor / choke suitable for Variable Fequency Drive (VFD) / Vector Inverter / AC drive used for upto 15 HP electric motor or 10 Amps capacity (maximum) as per site requirement conforming to IS 2025, 1271, 12021 having inductance 2.5854, terminals for three phase input/ output connection complete all as specified and directed. Make : Standard Magnetic India / The Transformenr company / OM Industries or as per installed on site as recommended by OEM.

Supply and fix in replacement Control Transformer three phase having HT/LT ratio of 440/110 V AC, 50 / 60 Hz, Capacity 200 VA copper wound complete all as specified and directed.

Supply and fix in replacement Dynamic Braking Register (DBR), construction type Aluminium house bar having tolerance less than 1 ohm, two terminal end of capacity 250 ohm 400 Watt complete all as specified and directed.

Supply and fix in replacement Dynamic Braking Register (DBR), construction type Aluminium house bar having tolerance less than 1 ohm, two terminal end of capacity 350 ohm 400 Watt complete all as specified and directed.

Supply and fix in replacement Dynamic Braking Register (DBR), construction type Aluminium house bar having tolerance less than 1 ohm, two terminal end of capacity 700 ohm 400 Watt complete all as specified and directed.

Supply and fix in replacement following Spares/Components in EOT Crane of 2 Ton capacity after approval complete all as specified and directed :-

Carbon Brush.

Over Load Relay.

Brake Lining.

Magnetic Coil.

Clutch Plate and Pin.

Thrust Bearing.

Gear Wheel.

Clutch Plate.

Pendant Push Button with auxiliary contacts.

Oil Seal

Supply and fix in replacement following Spares/Components in EOT Crane of 5 Ton capacity after approval complete all as specified and directed :-

Carbon Brush.

Over Load Relay.

Brake Lining.

Magnetic Coil.

Clutch Plate and Pin.

Thrust Bearing.

Gear Wheel.

Clutch Plate.

Pendant Push Button with auxiliary contacts.

Oil Seal

Supply and fix in replacement following Spares/Components in EOT Crane of 15 Ton capacity after approval complete all as specified and directed :-

Carbon Brush.

Over Load Relay

Brake Lining.

Magnetic Coil.

Clutch Pin.

Thrust Bearing.

Gear Wheel.

Clutch Plate.

Pendant Push Button with auxiliary contacts.

Oil Seal

Supply and fix in replacement following Spares/Components in EOT Crane of capacity 2 Ton to 15 Ton after approval complete all as specified and directed:-

HRC Fuse 40 Amps.

HRC Fuse 32 Amps.

HRC Fuse 16 Amps.

HRC Fuse 10 Amps.

HRC Fuse 2 Amps.

Indicator Lamp LED (RYB) (Set of Three).

m/s krishna engineers1 (BID ID -3171583)