REPAIRS AND MAINTENANCE OF EOT CRANE UPTO 50 TON AND CONNECTED WORKS IN TECHNICAL AREA CVRDE AVADI

Amount

M&L for servicing of 6 Ton capacity electrical overhead traveller cranes of any make installed at different buildings/location and making /keeping the cranes in serviceable condition complete all as specified and directed. Note :(i) Service to be carried as per maintenance schedule specified on PS clause. (ii) Total Nos 6 cranes were Installed at various bldg at Technical area, each crane shall be serviced once in two month. (iii) Penal recovery shall be made if servicing not carried out within two month once of each crane.

All as per Item No1 above but 20 Ton cap crane (total 6Nos.)

All as per Item No1 above but 30 Ton cap crane total (2Nos)

All as per Item No1 above but 50 Ton cap crane.

S&F in replacement of 19 core 1.5 sqmm mutlistranded copper conductor PVC Insulated shethed cable 1100V grade complete all as specifed and directed.

S&F in replacement of 4 core 4 sqmm mutlistranded copper conductor PVC Insulated shethed cable 1100V grade complete all as specifed and directed.

S&F in replacement of 4core 10sqmm mutlistranded copper conductor PVC Insulated shethed cable 1100V grade complete all as specifed and directed.

S&F in replacement of 4core 6 sqmm mutlistranded copper conductor PVC Insulated shethed cable 1100V grade complete all as specifed and directed.

Supply, fix and making all connection ,lever type limit switch capacity max40 Amp 415 Volts, IP 55 floor mounting all as per existing for LT/CT/ Hoist motion suitable for upto 50 ton capacity crane including taking down old unserviceable complete all as specified and as directed.

Supply and fix in replacement of brake liner set suitable for 100 mm dia drum for LT/CT motion complete all as directed and specified

Supply and fix in replacement of brake liner set suitable for 150 mm dia drum for LT/CT motion complete all as directed and specified

Supply and fix in replacement of brake liner set suitable for 200 mm dia drum for LT/CT motion complete all as directed and specified

Supply and fix in replacement of brake liner set suitable for 250 mm dia drum for LT/CT motion complete all as directed and specified

M&L for taking down slipring Inductor motor 5HP, 415V 50Hzfrom EOT crane, transporting to workshop. Deassemble the motor removing the burnt out windings,cleaning slots with CTC, and rewinding the same with suitable super enameled copper conductor, insulating varnishing, removing, replacing the worn out bushes/ bearing,slip rings as per site requirment with one coat of primer & two coat of synthetic enamel paint after scraping the body surface of motor with emery paper assemble the motortransporting to site refing on crane ,connecting electrical connections testing complete complete all as specified and directed.

S&F in replacement of power contactor 415V, 50Hz 16A 4P capacity with necessary accessories/alterantion for fixing on existing panel board as per site requirment complete all as specifed.

All as per Item No 13 above but 22A

All as per Item No 13 above but 32A

All as per Item No 13 above but 40A

All as per Item No 13 above but 70A

All as per Item No 13 above but 100A

M&L for servicing electro hydraulic thruster motor 3phase 440v 50 Hz , 18/34Kg torque rating , deassembling the unit and re lubricating grease and incl refilling transformer oil up to the correct level and refixing in its original position all as directed.

S&F in replacement of 12 way pendant box with standard operation push button suitable for EOT crane operation complete all as specifed and directed.

S&F in replacement of thermal overload relay 6-16A range complete all as specifed and directed.

S&F in replacement of LED indication lamps complete all as specifed and directed.

S&F in replacement of push button complete all as specifed and directed.

M&L for taking down Inductor motor 2HP, 415V 50Hzfrom EOT crane, transporting to workshop. Deassemble the motor removing the burnt out windings,cleaning slots with CTC, and rewinding the same with suitable super enameled copper conductor, insulating varnishing, removing, replacing the worn out bushes/ bearing,slip rings as per site requirment with one coat of primer & two coat of synthetic enamel paint after scraping the body surface of motor with emery paper assemble the motortransporting to site refing on crane ,connecting electrical connections testing complete complete all as specified and directed.

S&F in replacement of pnumatic timer 0 to 60seconds range with 2NO+2NC conact AC complete all as specifed and directed.

S&F in replacement of galvanised steel wire rope 20mm dia 6/36 strands complete all as specifed and directed.

S&F in replacement of DBR max 10Megaohms , 500V DC complete all as specifed and directed.

S&F in replacement of MS cable trolly loading capacity 150kg suitable for cross travel of EOT crane complete all as specifed and directed.

S&F in replacement of busbar support porcelain insulator complete all as specifed and directed.

S&F in replacement of brake coil suitable for AC solenoid brake drum diameter range 100mm to 250mm complete all as specifed and directed.

S&F in replacement of busbar Indication lamp set 3Nos nt less than 4w with sheet steel enclosure, wiring complete all as specifed and directed.

S&F in replacement of crane rubber buffer 100mm diameter mounting on incl square ms plate complete all as specifed and directed.

S&F in replacement of wired factory eletric bell(gong) 100mm size complete all as specifed and directed.

S&F in replacement of variable frequency AC drive set rated Input supply voltage 3phase 380 to 480V +/-10% , output frequency 0 to 500Hz vector/scalor contol as per OEM specification suitable 3HP motor control, mounting on existing panel with necessary alteration accessories incl taking taking u/s VFD drive any type and model complete all as specifed and directed. Make: ABB/Siemens/ Schneider

S&F in replacement of chain, gauge 3mm(dog chain) all as specifed and directed.

S&F in replacement of cast iron plummer block suitable bore size 10 to 300mm on EOT crane all as specifed and directed.

M&L for framed work such as steel brackets of requried shape for running cable for EOT crane complete all as specified and directed.

SRI VENKATESWARA ENTERPRISES