Tender For Repair/ Maintenance Of Eot Cranes And Connected Items Under Ge 860 Ews
Tender Overview
Project Description
Tender For Repair/ Maintenance Of Eot Cranes And Connected Items Under Ge 860 Ews - 1 Material And Labour For Carrying Out Comprehensive Maintenance Of Eot Crane Of Capacity 5 Ton Every Month Which Includes Checking The Serviceability And Make Serviceable By Identifying The Serviceable/Unserviceable Parts For Renewal And Change Unserviceable Parts To Make It Fully Functional At Designed Rpm & Torque, Reassembling In The Same Position, Testing, Electrically And Mechanically To Its Load Capacity Etc. By Employing Adequate Skilled Persons. The Item Also Includes Attending Emergent Breakdown Or Specific Visit Necessitated Due To Inspection Or Operational Requirement All As Per Site Requirement Complete As Specified And/ Or As Supply Only As Directed By Engr-In-Charge. 2 Note For Srl Item No 1: The Spare Part Required Shall Be Measured & Paid Separately Under Respective Items.(I) Long Transverse (Left) (A) Gear Box Oil Level Check And Filling With Required Oil And Rectification Of Leakages If Any. (B) Assembly Vibration.(C) Break Adjustment. (D) Long Transverse Wheel Checking For Any Noise.(E) Geared Couplings - Grease Checking And Nut Tightening. (F) Checking Of Hydraulic Oil In Thrustor Brake.(G) Checking Of Electric Motor Connections. (H) To Check The Cut-Off At Extreme Ends With The Limit Switch. (Ii) Long Transverse (Right) (A) Gear Box Oil Level Check And Filling With Required Oil And Rectification Of Leakages If Any. (B) Assembly Vibration. (C) Break Adjustment. (D) Long Transverse Wheel Checking For Any Noise. (E) Geared Couplings - Grease Checking And Nut Tightening. (F) Checking Of Hydraulic Oil In Thrustor Brake.(G) Checking Of Electric Motor Connections. (H) To Check The Cut-Off At Extreme Ends With The Limit Switch. 3 (Iii) Cross Transverse (A) Gear Box Oil Level Check And Filling With Required Oil And Rectification Of Leakages If Any. (B) Assembly Vibration. (C) Break Adjustment. (D) Cross Transverse Wheel - Checking For Any Noise. (E) Geared Couplings - Grease Checking And Nut Tightening. (F) Checking Of Hydraulic Oil In Thrustor Brake. (G) Checking Of Electric Motor Connections. (H) To Check The Cut-Off At Extreme Ends With The Limit Switch.(Iv) Hoist Motion (A) Gear Box Oil Level Check And Filling With Required Oil And Rectification Of Leakages If Any. (B) Assembly Vibration. (C) Break Adjustment. (D) Grease Checking For The Main Bearings Of The Rope Drum. (E) Geared Couplings - Grease Checking And Nut Tightening. (F) Checking Of Hydraulic Oil In Thrustor Brake. (G) Checking Of Electric Motor Connections. (H) Checking Wire Rope For Any Damage & Greasing. (J) Adjustment Of The Rotary Limit Switch. (K) Bearing Grease Checking Of The Hook.
BOQ
| Sl. No. | Item Description |
| 1 | Material and labour for carrying out comprehensive maintenance of EOT crane of capacity 5 Ton every month which includes checking the serviceability and make serviceable by identifying the serviceable/unserviceable parts for renewal and change unserviceable parts to make it fully functional at designed RPM & torque, reassembling in the same position, testing, electrically and mechanically to its load capacity etc. by employing adequate skilled persons. The item also includes attending emergent breakdown or specific visit necessitated due to inspection or operational requirement all as per site requirement complete as specified and/ or as supply only as directed by Engr-in-Charge. |
| 2 | Note for Srl Item No 1: The spare part required shall be measured & paid separately under respective items.(i) LONG TRANSVERSE (LEFT) (a) Gear box oil level check and filling with required oil and rectification of leakages if any. (b) Assembly vibration.(c) Break adjustment. (d) Long transverse wheel checking for any noise.(e) Geared couplings - grease checking and nut tightening. (f) Checking of Hydraulic oil in thrustor brake.(g) Checking of electric motor connections. (h) To check the cut-off at extreme ends with the limit switch. (ii) LONG TRANSVERSE (RIGHT) (a) Gear box oil level check and filling with required oil and rectification of leakages if any. (b) Assembly vibration. (c) Break adjustment. (d) Long transverse wheel checking for any noise. (e) Geared couplings - grease checking and nut tightening. (f) Checking of Hydraulic oil in thrustor brake.(g) Checking of electric motor connections. (h) To check the cut-off at extreme ends with the limit switch. |
| 3 | (iii) CROSS TRANSVERSE (a) Gear box oil level check and filling with required oil and rectification of leakages if any. (b) Assembly vibration. (c) Break adjustment. (d) Cross transverse wheel - checking for any noise. (e) Geared couplings - grease checking and nut tightening. (f) Checking of Hydraulic oil in thrustor brake. (g) Checking of electric motor connections. (h) To check the cut-off at extreme ends with the limit switch.(iv) HOIST MOTION (a) Gear box oil level check and filling with required oil and rectification of leakages if any. (b) Assembly vibration. (c) Break adjustment. (d) Grease checking for the main bearings of the Rope Drum. (e) Geared couplings - grease checking and nut tightening. (f) Checking of Hydraulic oil in thrustor brake. (g) Checking of electric motor connections. (h) Checking wire rope for any damage & greasing. (j) Adjustment of the rotary limit switch. (k) Bearing grease checking of the Hook. |
| 4 | (v) ELECTRICAL NETWORK (a) Checking the contactors for overheating or flashing. (b) General checking of contacts and connections.(vi) DOWN SHOP LEAD (a) Checking the alignment and rectification. (b) Cleaning of the moving/sliding objects. |
| 5 | Supply only Brass gears (as per existing gear/ sample) duly casted/fabricated and cutting teeth as required suitable to accommodate in the crane Gear Box along with supply of Tapper Roll bearing of suitable size for the 5 Ton capacities/ sizes of cranes.Make : SKF/NBC or equivalent make as approved by GE. |
| 6 | Supply only Gear Oil (20W40) suitable for crane gear box. Make : - Servo/ Castro/HP/MAC. |
| 7 | Supply only in sealed container packing grease suitable for crane gear box. Make : SKF/CASTROL/BOSCH. |
| 8 | Supply only Oil seal (as per sample) suitable for crane gear box complete all as specified and/ or as directed by Engr-in-Charge. |
| 9 | Supply only steel wire first quality 12 mm dia fixed in support of EOT crane cable support complete all as specified and/ or as directed by Engr-in-Charge |
| 10 | Supply only break coil 415 V, 50Hz, 4 pole type CN 12F 25 Amp suitable for existing unserviceable coil of Make Havells Cat No HPAC012100 or equivalent make in L&T/HPL. |
| 11 | Supply only brake liner of LT/CT/Hoist brake lining suitable for 5 Ton capacity EOT crane. |
| 12 | Supply only Coupling studs with locking washer ISI Mark. |
| 13 | Supply and fix in replacement of flexible star type male and female type coupling system suitable for operation of LT/CT travelling system and operating of shaft pedestal of size upto 30mm dia as per exising size/ sample of EOT crane of capacity 5 Ton including replacement of other defective connecting parts as requred at site and making it smooth sound proof functionable complete all as specified and/ or as directed by Engr-in-Charge. |
| 14 | Dismantling complete hoist from the girders and carrying out the following repair including dismantling main gear box from electric hoist and repair/replacement the assy same all as directed for 5 ton EOT:-(i) Gear box shaft - 01 No.(ii) Driven special bevel - 01 No.(iii) Oil seal - 02 Nos.(iv) Spacers - 02 Nos.(v) Check nut - 01 No.(vi) Special bevel gear - 01 No.(vii) Gear 42N/105OD/44ZD/64W - 01 No.(viii) Driving chain - 04 Nos.(ix) Assembling with main motor. |
| 15 | Supply only plummer block with bearing complete suitable for LT/CT motion of 5 Ton capacity EOT crane 20 m span. |
| 16 | Supply only push button controlling unit comprising of 'On' & 'Off' operation to and for motion 'Up' & Down' long travel & micro speed and emergency control of EOT crane. |
| 17 | Supply Emergency Stop Push Button. Make - Sudhir Element Cat No PBA/OA/1010 or equivalent make as approved by GE. |
| 18 | Supply only flanged type wheel ball bearing of numbering F 205 No./206 No. or as per existing sample/ model suitable of operating of traviling system for 5 Ton EOT crane. Make :SKF/NBC or equivalent make as approved by GE. |
| 19 | Supply only Thermal Over Load Relay (Auto/ Manual Reset) range 1-1.6 A , frame size 1 type RT21F Cat No IHNR 11AF of havells or equivalent make as approved by GE. |
| 20 | Supply and fix in replacement of MCB 6-32 Amps, Single pole, 'C' curve, 10KA complete all as specified and/ or as directed by Engr-in-Charge. |
| 21 | Supply and fix in replacement of 40 Amps, power contactor suitable for 3 phase, 415 volts, 50Hz AC complete all as specified and/ or as directed by Engr-in-Charge. |
| 22 | Supply and fix in replacement of FRLS, 4 core 6 sqmm PVC insulated PVC sheathed multistranded copper conductor cable complete all as specified and/ or as directed by Engr-in-Charge. |
| 23 | Supply and fix in replacement of FRLS, 4 core 10 sqmm PVC insulated PVC sheathed multistranded copper conductor cable complete all as specified and/ or as directed by Engr-in-Charge. Please Enable Macros to View BoQ information |
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