SPECIAL REPAIR AND REPLACEMENT OF 05 TON EOT CRANE IN TECHNICAL AREA CVRDE AVADI

Amount

Note for items No. 2 to 33:- Cost of Necessary tools and plants, ladders & hydra, safety belts for painting and for repair works of crane shall be deemed to be included in the unit rate quoted.

M&L for disconnect electric supply connection, lifting LT portion using suitable tools&plants, dismantle wheels replace heavy duty self aligned bearing and assembling, testing complete all as specifed and directed.

M&L for disconnect electric supply connection, lifting CT portion using suitable tools&plants, dismantle wheels replace heavy duty self alighned bearing and assembling testing complete all as specifed and directed.

S&F in repalcement of steel wire rope fibre core 12mm dia complete all as specified and directed.

S&F in replacement of 19core 1.5sqmm mutlicore round PVC shethed copper conductor(flexible) industrial cable 1100V grade complete all as specifed and directed.

S&F in replacement of 4core 4sqmm mutlicore round PVC shethed copper conductor(flexible) industrial cable 1100V grade complete all as specifed and directed.

S&F in replacement of heavy duty lever type limit switch capacity max40 Amp 415 Volts, IP 55 floor mounting all as per existing for LT/CT/ motion complete all as specified and as directed.

M&L for replacement of electro hydraulic thruster motor 3phase 440V 50 Hz , 18Kg torque rating , complete all as specifed and directed.

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

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

S&F in shrouded DSL RYB and Neutral insulated galvanised steel bus bar 100A rating incl taking down bare busbar complete all as specifed

S&F in replacement of current collector incl cable suitable DSL 100A Galvanised steel busbar RYBN system complete all as specified and directed.

S&F in replacement of DBR suitable for EOT crane 5Ton motor complete all as specifed and directed.

S&F in replacement of cable festoon system with C-rail, cable Trolleys and accessories suitable 5Ton EOT crane complete all as specified

S&F in replacement of busbar RYB Indication lamp set 3Nos not less than 4w with sheet steel enclosure,base frame, wiring complete all as specifed and directed.

S&F in replacement of cranes spring buffer adequate size mounting on incl square ms plate complete all as specifed and directed.

S&F in replacement of wired factory eletric bell(gong) min 6inch size complete all as specifed and directed.

Supply, Install, testing and commissioning of VFD drive control panel Indoor type poweder coated consisting following switch gears complete all as specifed and directed. (a) VFD drive 1unit 415V, 50Hz suitable for control 7.5HP Hoist motor. (b) VFD drive 2unit 415V 50Hz suitable for control 2HP LT&CT motor. (c) Power contactor, control fuses, MCBs, connectors, indicator lamps, (d)protection circuits, (e) Transformer (f) timer, internal wiring accessories etc complete for 5Ton EOT crane motor/hoist operation complete all as specifed and directed.

M & L for disconnecting the electric supply from existing crane panel, dismantling and taking down gear box of the crane of 5 ton capacity and open up by loosening the coupling, foundation nut, bolt & washers etc. draining out the complete gear box oil, taking out grease cleaning the complete gear box with K oil and re-assembling the gear box after replacement of defective/ worn out parts viz brass gear, tapper roll bearing, oil seal, coupling & foundation nuts, bolts, washers etc. as per existing Make, size and capacity & including refilling with fresh gear oil as specified by the manufacturer & providing fresh grease and making the gear box leak proof by fixing the suitable gasket / washer etc. and including taking up and re-fixing with crane and testing on completion complete all as specified and directed.

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 MCCB 100A 4P 16KA with sheet metal enclosure complete all as specifed.

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

M&L for taking down slipring Inductor motor 2HP, 415V 50Hzfrom EOT crane, transporting to workshop. Deassemble the motor insulating varnishing, removing, replacing the worn out bushes/ bearing 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 motor transporting to site refixing on crane, connecting electrical connections testing complete complete all as specified and directed.

M&L for replacement of earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit /pipe or fixed to poles or any other indicated situation for building earthing etc,as required of 4mm GI wire and removing retrived materials and making good the distrurbed surface of wall, floor ceiling etc complete all as specifed and directed.

S&F in replacement of earthing complete with galvanised steel earth plate electrode 60x60cmx6.0mm thick burried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to and including using of 4 mm GI wire as earthing lead by means of bolts, nuts, check nuts and washers of galvanised steel, connected to earthing test point, all as specified & indicated, including testing on completion including earth work and excavation in any type of soil/rock, PCC 1:3:6 type C1, earthing chamber, precast RCC slab 50mm thick in cement concrete 1:2:4 type B1 reinforced with welded steel wire febric weight hot less than 4 Kg/Sqm, funnel with GI watering pipe of 20mm bore, medium grade wire mesh and lugs, GI protection pipe of 15mm bore light grade upto 7.50 mtr long test point etc all as specified and directed.

S&F in replacement of GI tubing 15mm light grade with fitting fixed on wall/floor for GI wire protection complete 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.

M&L for preparation old painted surface, painted with 2coats of synthetic enamel paint over a red oxide primer on entire surfaces of EOT crane double girder area, gear box , motor area , path area complete all as specifed and directed.

S&F in replacement of crane rope drum bearing suitable for 5Ton cap complete all as specifed and directed

S&F in replacement of brake rectifier unit 415/230V complete all as specifed and directed.

S&F in replacement wire rope sheave pulley suitable for rope of 5Ton crane complete all as specifed and directed.

S&F in replacement of 415/230V Solenoid AC brake suitable for 5Ton crane complete all as specifed and directed.

Supply and fix in replacement of brake liner set suitable for 5Ton crane LT/CT motion complete all as directed and specified.

KRISHNA ENTERPRISES