8485 COMPREHENSIVE MAINTENANCE OF EOT CRANES INCLUDING LOAD TESTING AND REPAIRS/ REPLACEMENT OF WORN OUT PARTS OF EOT/ HOT CRANES AT NSTL TECHNICAL AREA UNDER AGE (I) R n NSTL VISKHAPATNAM

Amount

Comprehensive maintenance,preventive maintenance & periodical repairs of electrically operated overhead traveling (EOT) / Hand operated overhead traveling (HOT) /Mono rail cranes floor operated,complete including Material and Labour for periodic inspection/servicing to be carried out, and making/keeping the cranes serviceable, installed in various technical bldgs at NSTL, including the following:- (i) LONG TRAVEL MOTION AND CROSS TRAVEL MOTION (a) Checking Gear box oil level and filling with required oil and rectification of leakages if any. (b) Brake adjustment (c) Checking of Long travel & cross travel wheel for any noise/malfunctioning. (d) Checking grease of Geared couplings, nut tightening and replacement of grease nipple . (e) Checking of oil in Hydraulic thruster brake, rectification of leakages if any and filling with required quantity of oil. (f) Checking of electric motor connections, insulation resistance value etc. (g) Checking the cut-off at extreme ends with the limit switch. (h) Checking and greasing of shaft pedestal. (ii) HOIST MOTION (a) Checking Gear box oil level and filling with required oil and rectification of leakages if any.b) Brake adjustment (c) Checking of main bearings of the Rope Drum including greasing the same (d) Checking grease of Geared couplings and nut tightening. (e) Checking of oil in Hydraulic thruster brake, rectification of leakages if any and filling with required quantity of oil. (f) Checking of electric motor connections, insulation resistance value. (g) Checking wire rope for any damage & greasing the rope. (h) Adjustment of the rotary limit switch. (j) Checking of Bearing of the Hook and greasing the same.

(iii) ELECTRICAL PANEL (a) Checking the contactors for overheating or flashing. (b) General checking of contacts and connections. (c) Cleaning of control panels and checking of connections. (d) Checking of connections of VVVF drives/other drive, calibrating VVVF drive to get smooth movement & maximum efficiency / other drives for smooth functioning of the same. Details of Cranes under mentioned are located at Various Technical bldgs of NSTL: 12.5 Ton capacity EOT crane - 01 No Note :(i) The rates quoted by the tenderers shall be deemed to include cost of grease, lubricant oil, brake oil,consumable cotton waste, thimbles, small pieces of cable lugs, nuts, bolts, washers, emery papers etc., and other sundry items (ii) Cost of spares, required other than specified shall be measured and paid separately under relevant items of Schedule 'A' (iii) The rate quoted by the tenderer shall be deemed Accident Insurance of the working persons during working hours (iv) The rate quoted by the tenderer shall be deemed for the proper different qualified man power for maintanance and attending repairs / complaints including safety belts,healmets and shoes etc (v) After lodging the complaint , the tenderer has to rectify the complaint within 24 hours. (vi) The contractor shall employ Crane Mechanic along with Helper to attend the complaint ,comprehensive,preventive & periodocal services for smooth functioning of all cranes. (vii) The contractor shall maintain all installations provided under this contract as per IE Rules / Standard Engineering Practice and maintenance of installation Log Book and Maintenance Register. (viii)The above item execute after completion of running contract.

All as per Item No. 1 herein before but for 10 Ton capacity EOT crane - 02 No

All as per Item No. 1 herein before but for 5 Ton capacity EOT crane - 05 No

All as per Item No. 1 herein before but for 3 Ton capacity EOT crane - 15 Nos

All as per Item No. 1 herein before but for 2 Ton capacity EOT/ Monorail crane - 03 Nos

All as per Item No. 1 herein before but for 1 Ton capacity EOT/ Monorail crane - 02 Nos

All as per Item No. 1 herein before but for 2 Ton capacity HOT crane - 01 No

All as per Item No. 1 herein before but for 1 Ton capacity HOT crane - 01 No

Supply only Stablized power supply electronic cards of suppy input 240/220V 50Hz and oup put of 24Volts DC suppy of current rating upto 6 Amps heavy duty continious rated capacity for controll supply to cranes complete all as specified and directed by the Eng-in-charge.

suppy only three pole Power contactors of rating AC1/AC3 of capacity 40A suitable for rubust and hostile applications with control voltage of 110V / 240V and 2NO+2NC suitable for the existing system complete all as specified and directed Make: Siemens/ IndoAsian / L&T / GE

Supply only Brake shoe linears of suitable thickness made of treated fabric linning and secured with aluminium rivets complete suitable for EHT/EMDC brake of 150 to 300mm drum size including revetting to brake shoe all as directed.

Supply only Brake coil suitable for 1 tonne to 12.5 tonne capacity cranes complete all as specified and as directed.

Supply only Solenoid coil / oil immersed magnetic coil for brake suitable for upto 12.5 Ton crane complete all as specified and as directed.

Supply only Bimetal Over Load Relay up to 5 Amps capacity, suitable for EOT Crane complete all as specified and as directed. Make: Siemens / L & T / Schneider/ABB

Supply only 15 Way Electrical Pendent Push Button Box with Push Buttons NO / NC Contacts Elements and Forward Reverse Interlocking for EOT Cranes complete all as specified and as directed. Make- As per OEM

Supply only hoist wire rope up to 5 ton capacity EOT / HOT crane sprial stranded type / as specified by the OEM load tested for upto 150% rated tonne capacity complete reomoving out the worn out unserviceable wire rope all as specified and direceted.

All as per item no.16.00 above but capacity of crane 10 to 12.5 ton

Supply only Electrical Pendent Push Buttons with NO/NC Contacts Elements for EOT Cranes complete all as specified and as directed. Make- As per OEM

Taking down the unserviceable trailing cable and supply and fix trailing cables of size 4 core 6 sq.mm (elastomeric rubber cables) Annealed tinned flexible copper conductor, EPR insulated, cores laid up with fillers (wherever necessery) and binder taped, PCP outer sheathed cable of 1100 volts conforming to IS: 9968 (pt-1) 1988 & (P-2) laid on existing cable trays/ crane structures using MS clamps/ cleats, glands, copper lugs and connecting in panel/ equipment all as specified and as directed. [Make: Orbit/ Uniflex/ Polycab/ Fine Cab/ Finolex]

All as per item No. 19.00 herein before but of size 4 core x 4sq.mm

All as per item No. 19.00 herein before but of size 4 core x 2.5sq.mm

Supply only Festoon flexible flat cable of size 4 core 4 Sqmm for EOT crane complete all as specified and as directed. Make- As per OEM

Supply only Festoon flexible flat cable of size 16 core 1 Sqmm for EOT crane complete all as specified and as directed. Make- As per OEM

Supply Only Power Contactor of capacity 10 Amps, 3 Pole, Suitable for EOT Crane complete all as specified and as directed. Make: Siemens / L & T / Schneider / ABB

Supply Only Power Contactor of capacity 16 Amps, 3 Pole, Suitable for EOT Crane complete all as specified and as directed. Make: Siemens / L & T / Schneider / ABB

Supply Only Power Contactor of capacity 32 Amps, 3 Pole, Suitable for EOT Crane complete all as specified and as directed. Make: Siemens / L & T / Schneider / ABB

Supply Only Power Contactor of capacity 63 Amps, 3 Pole, Suitable for EOT Crane complete all as specified and as directed. Make: Siemens / L & T / Schneider / ABB

Supply only Auxiliary Contactor of capacity 10-63 Amps complete all as specified and as directed. Make: Siemens / L & T / Schneider / ABB

Supply only Limit Switches, suitable for up to 12.5 ton capacity Crane complete all as specified and as directed. Make: Siemens / L & T / Schneider / ABB

Supply only HRC Fuses up to 32 Amps capacity for EOT Cranes complete all as specified and as directed. Make: L & T / Legrand / ABB / Siemens / Schneider / Havells

Supply only Brake Shoes Disc for EOT Cranes of any capacity complete all as specified and as directed. Make- As per OEM

Supply only Break rectifier for EOT Cranes of any capacity complete all as specified and as directed. Make- As per OEM

Supply only Colour Coded LED Phase Indicating Lamps of suitable model complete all as specified and as directed.

Supply only Hoist Rope Drum Bearing of suitable model and capacity complete all as specified and as directed. Make- as per OEM

Supply only 3 Phase Electrical Magnetic Brake suitable for EOT Cranes capacity 1 Ton to 12.5 Ton complete all as specified and as directed.

Supply only MCB, SP, 6 to 32 Amps, 10 KA, AC, C curve, 240 Volts, 50 Hz complete all as specified. Make: Legrand / L & T / Siemens / ABB / Schneider / GE

Supply only MCB, SPN, 20 to 32 Amps, 10 KA, AC, C curve,240 Volts, 50 Hz complete all as specified. Make: Legrand / L & T / Siemens / ABB / Schneider / GE

Supply only MCB, TP, 25 to 63 Amps, 10 KA, AC, C curve,415 Volts, 50 Hz complete all as specified. Make: Legrand / L & T / Siemens / ABB / Schneider / GE

Supply only MCB, TPN, 16 to 32 Amps, 10 KA, AC, C curve,415 Volts, 50 Hz complete all as specified. Make: Legrand / L & T / Siemens / ABB / Schneider / GE Note for Serial Item No. 9.00 to 39.00: Spare parts Make and Model of the parts to be replaced shall be same as of existing parts of cranes.

Taking down of unserviceable Gear box from 3-10 tone capacity crane and shifting to workshop and carring out necessary repairs as required and make the gearbox serviceable and fixing to the crane for smooth functioning and testing as directed by the Eng-in-Charge

Supply, fixing, testing and commissioning of VVVF drive with required resistance, power and control cables, cable lugs for fixing of drive suitable for CT and LT work on Main Hoist Operation for 1 tonne to 12.5 tonne capacity EOT cranes complete by removing the old defective drive all as specified and directed. Make:Yaskawa/Thosiba/Simens/ABB/L&T/Schneider/Donfoss

Supply, fixing, testing and commissioning of VVVF drive with required resistance, power and control cables, cable lugs for fixing of drive suitable for Main Hoist Operation for 1 tonne to 12.5 tonne capacity EOT cranes complete by removing the old defective drive all as specified and directed. Make:Yaskawa/Thosiba/Simens/ABB/L&T/Schneider/Donfoss

S & F in repair DSL safe track link with insulation sleeves for upto 12.5 Ton Crane at various bays complete all as specified and as directed.

M & L for alignment of EOT Crane Tracks on both sides including gas cutting, welding and grinding for smooth movement of girder for LT Travel up to 12.5Ton capacity Crane complete all as specified and as directed by Engineer-in-Charge.

M & L for Dismantling motors up to 1.5 KW capacity, from EOT Crane by taking down and carrying to work shop, rewinding with existing gauge of super enamelled copper winding wire of superior quality with proper insulation and bringing back and refixing on crane with proper alignment with Gear Boxes etc. including testing on completion, complete all as specified and as directed by Engineer-in-Charge.

All as per Serial Item No. 45.00 herein before but for motors of capacity above 1.5 KW and up to 3.7 KW complete all as specified and as directed by Engineer-in-Charge.

All as per Serial Item No. 45.00 herein before but for motors of capacity above 3.7 KW and up to 5.5 KW complete all as specified and as directed by Engineer-in-Charge.

Taking down and replacement of Gear Wheel Shaft suitable for Cranes upto 3 Ton capacity including overhauling of Gear Box, applying suitable oils and grease wherever required, replacing unserviceable Bolts and Nuts and refixing Crane with Gear Box with proper alignment including testing on completion complete all as specified and as directed.

All as per Serial Item No. 48.00 herein before but suitable for Cranes of capacity above 3 Ton but upto 10 Ton complete all as specified and as directed by Engineer-in-Charge.

M &L for Carrying out load testing of EOT crane of capacity 12.5 TON to prove the satisfactory operation of electrical controls motors gears boxes protective device system interlocks mechanical componeants like wire rope Wels scecctions of the crane in all Motions (LT CT Hoist in high full load and testing of crane in over load at 110% and deflection test all as per IS:3177 of 1977 through Competent person of AP factory rules or any accredited agency as approved by AGE(I), duly certified including all consumables completed all as specified. (Note: (i) Necessary pre calibrated certified loads(50 Kg pieces for higher alttitude) with load cell digital/ analogue type and Hydraulic mobile crane at site required for carrying load test shall be arranged by contractor and the rate quoted shall be inclusive of the same. (ii) Contractor has to arrange necessary tarpaulin/plywood to unload weights on the floor and ensure that the electrostatic floor/floor surfaces is not scratched/damaged during testing. (iii) Contractor submit two sets of original load test certificates to Department.

All as per item No 50.00 herein before but for EOT crane of capacity 10 TON.

All as per item No 50.00 herein before but for EOT crane of capacity 5 TON.

All as per item No 50.00 herein before but for EOT crane of capacity 3 TON.

All as per item No 50.00 herein before but for EOT crane of capacity 2 TON.

All as per item No 50.00 herein before but for EOT crane of capacity 1 TON.

All as per item No 50.00 herein before but for HOT crane of capacity 2 TON.

All as per item No 50.00 herein before but for HOT crane of capacity 1.

M & L for preparing surfaces EOT Cranes of upto 3 Ton Capacity complete including End Carriages, Double and Single Gantry, Motors, Gear Boxes, Bottom Hook Blocks, Platform Structure, Gantry Girders etc. by scraping, cleaning, using wire brush, sand paper etc, and painting complete with one coat of synthetic enamel paint over one coat of zinc chrome primer of approved make and colour for EOT cranes complete all as specified and directed.

All as per Serial Item No. 58 above but EOT Cranes above 3 Ton but upto 12.5 Ton of capacity.

Supply only Gear oil 80W 90 OMD for topping up/ replacing complete all as specified and directed by Engr-in-Charge. Make:- Castrol/Super Tech/Bosch/Volvoline/Power oil.

R AND A ASSOCIATES ENGINEERS CONTRACTORS

AR POWER INFRA PVT LTD