SPECIAL REPAIR TO EOT CRANE OF 20 TON CAPACITY BEARING SM NO 132885 ,EOT CRANE OF 05 TON CAPACITY BEARING SM NO 132890 AT ARD PGM SECTION AND EOT CRANE OF 05 TON CAPACITY BEARING SM NO 132893 AT ARMAMENT SECTION AT 512 ABW UNDER AGE EM II IN GE (CENT

Amount

Dismantling and removing of Damaged & worn out mild steel wheel of 5 to 20 ton crane including shaft, bearing and connected accessories complete at the height of 20 feet and above all as specified and directed. Note :- (i) Necessary safety measures to be taken by the contractor while dismantling and fixing the wheels . (ii) Any damage/loss to the govt property while dismantling/shifting/fixing will be beared by the contractor. (iii) The cost of T&P such as Jacks, Chain pulley, ropes, ladders etc are to be included in the quoted rates.

Supply and fixing in replacement of Long travel driving / travilling Mild steel forged cast alloy wheel assemblly complete with new driving axel,new spacers,new shaft and new bearing of suitable size as per existing make & specification for EOT crane 5 to 20 ton capacity complete all as specified and directed.

Disconnecting and taking down of Unserviceable resistors box of any type and any capacity all as specified and directed.

Supply and Fix stainless steel resistor box type 5 steps 10 min. rating suitable for 12 HP Slip ring Motor and Rotor volt 260 complete all as specified and as directed. Make: Speedo Control or Equivalent as approved by the GE

M & L for Cleaning total structure of 5 to 20 Ton crane including removing of all grease, dust & oil from crane parts, and then Painting the total structure of crane incl motor and all controls with existing paints in two coats complete all as directed by Engineer-In-Charge

Dismantling the Main Lifting Hook/hoist assy of 5 to 20 Ton Crane and taking it down safely & transporting it to workshop for servicing and repair. Dismantling the complete assy under hydraulic press and removing the old bearings, wire rope pullies and hook also removing the old locking bolts side covers of the hook with the help of necessary welding work and making new locking arrangement complete including supply and fixing the bearings of suitable size - 02 nos and reassembling the hook completely and making arrangement for new locking plate. and shifting the hook assy to the location and fitting it at the same position complete. Note :- Testing to be done for 2 days on full load to the satisfaction of Engr-in-charge.

Dismantling, removing and taking down faulty,old & unsv crane control panel board with accessoris from crane plateform from the height of 25 feets and above complete all as specified and directed.

M & L for Supply, Install, commissioning and testing of prewired control panel board made out of 2 mm thick sheet and base frame made out of mild steel angle (35x35x6)mm , phosphated and painted with epoxy polyster based seven tank prosess powder coating treated with provision of fixing starters , Contactors , relays, CT's, MCCB's, etc all as per existing Panel and complete including fixing arrengement on crane plateform at a height of 25 feet all as specified and directed by Engr-in-charge. for following sizes :-

(a) Panel board of size 1.10mx0.55mx0.40m

(b) Panel board of size 1.10mx1.10mx0.40m

(c) Panel board of size 1.50mx1.10mx0.40m

Note :- (1) Material such as wires of different sizes for interconnections and hardware, PVC channels, lugs, terminals dinrails etc will include in above rates. (2) Required components such as MCB, MCCB, contactors, relays, timers, Single phase preventor , push buttons etc all as existing panel will measured and paid separetly under relevant items. (3) Contracor should visit site to understand the scope of work before quoting rate. (4) Drawing of panel should be apporved from Engr-in-Charge/GE before manifacturing

Supply and fixing in replacement following items in the panels including dismantling of old unsv items

(a) MCCB 200 Amps 35KA, TPN Make :- L&T/ABB/Legrand as approved by GE

(b) MCCB 125 Amps 35KA, TP Make :- L&T/ABB/Legrand as approved by GE

(c) MCCB 63 Amps 25 KA, TP Make :- L&T/ABB/Legrand as approved by GE

(d) MCB 40 Amps 10 KA, TP Make :- L&T/ABB/Legrand as approved by GE

(e) MCB 6 - 10 Amps, C series ,10 KA, DP Make :- L&T/C&S/Legrand as approved by GE

(f) Single phase preventor Make L&T/Minilec as approved by GE

(g) Power contactor 110 Amps, 3pole AC 415 V with 2 NO& 2NC contactsand coil voltage 110/220 volts AC. Make :- BCH/L&T/ABB as approved by GE

(h) Power contactor 70 Amps, 3pole AC 415 V with 2 NO& 2NC contactsand coil voltage 110/220 volts AC. Make :- BCH/L&T/ABB as approved by GE

(j) Power contactor 40 Amps, 3pole AC 415 V with 2 NO& 2NC contactsand coil voltage 110/220 volts AC. Make :- BCH/L&T/ABB as approved by GE

(k) Power contactor 32 Amps, 3pole AC 415 V with 2 NO& 2NC contactsand coil voltage 110/220 volts AC. Make :- BCH/L&T/ABB as approved by GE

(l)Power contactor 12 Amps, 3pole AC 415 V with 2 NO& 2NC contactsand coil voltage 110/220 volts AC. Make :- BCH/L&T/ABB as approved by GE

(m) Auxilary contactor 4 Amps, 3pole AC 415 V with 4NO& 4NC contactsand coil voltage 110/220 volts AC. Make :- BCH/L&T/ABB as approved by GE

(n) Timer PN type with 2NO & 2NC Make :- BCH/L&T/ABB as approved by GE

(o) Over load relay Magnetic type of range 1.4 - 7.5 Amps

(p) Over load relay Magnetic type of range 24 - 40 Amps

M & L for replacement of break shoe of followig sizes and Make as per sample.

(a) 100 mm size

(b) 150 mm size

(c) 200 mm size

Supply and Fix Hydraulic thrusters 18 Kg incl dismantling and removing old UNSV one, of following sizes complete all as specified and directed by Engr-in-charge. Make :- Top Enterprises/Speedo control.

Supply & Fix in repairs four wheel I beam cable trolleys suitable for 5 to 20 Ton as per existing complete all as directed by Engr-in - charge

Supply , laying,commissioning and testing multi core cable of EOT crane , stranded, copper conductor, flexible cable with supporting chain including dismantling carefully and removing unserviceable cable ,complete all as specified and as directed. Make: Polycab/Finolex /Paragaon as approved by GE

(a) 1.5 Sq mm 3 core

(b) 2.5 Sq mm 3 core

(c) 4 Sq mm 3 core

(d) 6 Sq mm 3 core

S & F heavy duty two way lever type limit switches with 2 contacts and rated voltage upto 500V , 40 Amps with enclosure incl removing of unsv limit switches complete all as directed by Engr-in - charge Make :- Top Enterprises/BCH/Speedocontrol as approved by GE

S & F heavy duty two way lever type limit switches with 2 contacts and rated voltage upto 500V , 10 Amps with enclosure incl removing of unsv limit switches complete all as directed by Engr-in - charge Make :- Top Enterprises/BCH/Speedocontrol as approved by GE

S & F heavy duty one way gravity/Counter weight limit switches with 2 contacts and rated voltage upto 500V , 40 Amps with enclosure incl removing of unsv limit switches complete all as directed by Engr-in - charge Make :- Top Enterprises/BCH/Speedocontrol as approved by GE

S & F heavy duty Rotary geared type shunt limit switches with 2 contacts and rated voltage upto 500V , 40 Amps with enclosure incl removing of unsv limit switches complete all as directed by Engr-in - charge Make :- Top Enterprises/BCH/Speedocontrol as approved by GE

Material and labour for overhauling of Crane Gear Box of any type/size and at any height including removal of unserviceable oil seals , bearings & providing of new oil seals/Gaskit/bearings cleaning of burr on gears, greasing, cleaning bearing etc and refixing complete including testing for smooth functioning all as directed. Note (i) Crane Oil will be measured & paid separately under relevant items (ii) Necessary saftey measures to be taken by the contractor while dismantling and fixing the various shafts, gears of gear box.

M & L for draining out existing gear oil & filling of crane gear oil Type EP-320 thick level incl cleaning of gear box by E/oil complete all as directed. Make :- HP / Castrol / Servo as approved by GE

Supply and fixing galvanised steel wire rope 12mm dia of 6x36 construction of best plough steel having minimum tensile strenght of 180kg/sqmm complete all as specified and directed

Supply and fixing galvanised steel wire rope 16mm dia of 6x36 construction of best plough steel having minimum tensile strenght of 180kg/sqmm complete all as specified and directed

Dismantlling & removing old coupling sets, opening the motor for repair, taking out the burnt copper wire from stator, cleaning the stator thoroughly, rewinding the stator with super enameled copper wire of same gauge complete with Dr. Beck Varnish, heating the winding , reassembling and testing the motor complete all as specified and as directed by the Engr-in-Charge for following capacities:

M & L for cutting/fabricating, fixing & welding of angle iron of size as per site requirement for fixing Chequered plates/ making ladders, supports fixing brackets etc including bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint including removing old damaged supports, ladders etc of any size all as directed at site by Engr-in-charge.

Supply and fixing step down control transformer for EOT Crane, copper wound, resin cast, 415/110 volts, 800 VA all as specified and directed.

Supply and fixing Push button Pendents 10 way for cranes all as per sample complete specified and directed.

Supply only Master controller for EOT cranes with 6-0-6 steps , Rating Amps- 40 Amps with spring return arrangement Make :- Top Enterprises/Speedo control as approved by GE

M & L for Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6.0mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of the plate not less than 1.5 metre below normal ground level, connected to and including using galvanised iron strip 25×4mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth plate surrounded by packed layer of char coal dust and common salt, 15cm thick all around bottom and top and watering pipe 20mm bore of GI light grade with funnel, wire mesh and 40 mm dia GI protection pipe medium grade all as shown in electrical plate No 3 of SSR Part-I and connected to earthing test point, main switch board and testing on completion including excavation, earth work concrete pit with 80mm thick RCC cover in RCC 1:2:4 type B-1 duly reinforced with MS bars 8mm dia @ 150C/C both ways and pit chamber in PCC 1:2:4 type B-1 with 2 Nos suitable lifting handles of 12mm MS bar complete all as specified.

Supply and lay in trenches GI strip 25 mm x 4 mm galvanised iron strip for earth continuity earthing all as specified and directed

Dismantling and removing of old Mild Steel 3 phase & nutral bus bar of any size and capacity from the height of 25 fts by using gas cutting and taking it down carefully with the help of chain pulley block etc complete all as directed. Note :- (i) Necessary safty measures for labours and tools/plant to be taken by the contractor while dismantling and refixing of busbar from the height specified. (ii) Phase and nutral (RYBG) is to be measured as one length in Rm.

Dismantling of insulator bracket by gas cutting from 25ft height & cleaning the rough surface by sand paper all as specified and directed.

Supply and fix shrouded conductors with PVC sleaves RYBG,DSL 4 Bar, spices covers, hanger clamps, anchor clamps, power feed kit and caps, joining tool complete for 250 Amps copper conductor system busbar, including MS fabricated support for mounting of conductors made out of mild steel angle ( Fe-410-W,grade E-250,quality-B) of size 40X40X5 mm and 450 mm long including two coats of synthetic enamel paint over a coat of red oxide primer and to be provided at every one metre distance all as specified and directed. Note - (i) 3 Phase and nutral (RYBG) is to be measured as one length in RM. (ii) Contractor should make temperory arrangment for running of other cranes in the same bay.

S & F current collectors three phase and neutrial for shrouded type copper Bus Bars of current rating 250 Amps For EOT Cranes of capacity 5 to 20 Ton Tons complete all as specified and directed by Engr-in-charge.

S&F suspended type High Bay / Mid way 140 Watt LED Highbay Light Fittings Integral Industrial Power LED High Bay with pressure die - cast aluminium housing anodised aluminium reflector complete all accessories having IP 66 degree of protection, High power factor, including connection with suitable size new cable conection complete Make - Crompton with cat no - LHB11-140-CDL/60 or equivalent model of Havells/C & G. as approved by GE. Note :- (i) High Bay Light is to be fixed on EOT Cranes of various Shed of 512 ABWS and CAFVD (ii) The quoted rate includes the cost of MS clamps and necessary welding work for fixing of High bay lights on EOT cranes

Dismantling of crane track by gas welding and cutting the pressure plates/rusted nuts & bolts /side supports and Grinding / finising of gas cutted surface including making the surface smooth for shifting the track and cleaning the entire track with the help of air wash complete all as specified and directed.

Shifting the track at required position and aligning the joints in proper positions and providing pressure plates with nut bolts , side support plates at required distance all as directed. Note :- (i) Proper testing of track is to be done for 2 days by giving full load on the crane in front of Engr-in-charge. (ii Necessary saftey measures to be taken by the contractor while dismantling and fixing/shifting the tracks. (iii Any damage/loss to the govt property while dismantling/shifting/fixing will be beared by the contractor. (iv) The cost of T&P such as Jacks, Chain pulley, ropes, ladders etc required for the job is included in the quoted rates. (v) The work is to be carried out at the height of above 25 feets. Contractor should visit site before quoting the tender.

shakti engineering and electrical works

M/S. Niksun Electro-Infra Private Limited

Adinath Technical Services