REPAIRS/ MAINTENANCE OF CRANE, LIFT, VOLTAGE STABILIZER, ACSR CONDUCTOR, LT POLES, BUS DUCTS AND OTHER CONNECTED MISC WORKS AND COMPREHENSIVE MAINT OF SRE LIFT AND EOT CRANE AT AFS UNDER GE (AF) JORHAT

Amount

M&L for periodic inspection/ servicing/Load testing of 02 Ton capacity flame proof EOT crane with double girder of any make installed at different building/location at site, making the cranes in serviceable condition, attending complaints of cranes on call basis, complete all as specified and as directed with and including operations for maintenance specified as under:- (A) LONG TRAVERSE MOTION / CROSS TRAVERSE MOTION / HOIST MOTION- (a) Checking gear box oil level, checking and rectification of leakage if any and filling with new oil up to required level. (b) Checking functioning of all brakes of any capacity and making adjustment for proper working. (c) Checking motion wheel for any abnormal sound & checking mounting/ fixing arrangement. (d) Checking of grease in geared coupling and tightening of nut/bolts etc. (e) Checking of motion cut off at extreme ends with limit switches. (f) Checking drive shaft and coupling including tightening of nut and bolts. (g) Checking oil in FLP thrusters checking any leakage any filling with new oil. (h) Checking terminal connection of all LT motion of three phase FLP electric motor and tightening properly including replacing burnt out/ overheated cable ends if any.

(B) ELECTRICALS:- (a) Checking and tightening all electric connections. (b) Checking the contactors/ relays etc for overheating or flashing. (c) Cleaning off all connection and control cables. (d) Properly bunching the loose control cable. (e) Checking functioning of cable carriers. (f) Checking the connection and serviceability of VVVF drives for smooth working. (e) Ground motion control panel opening the push button control unit, checking all connection, replacing flashed/ over heated connections, general cleaning and checking all the functions, of the LT/CT/ Hoist motion push buttons and lights/ VVVF switch including reassembling the unit complete

LOAD TESTSTING:- Load testing complete for LT/CT/Hoist motion of the 2 ton to 10 ton EOT/HOT cranes (installed at different location ) for 125% capacity using any type of dead weight ,complete all as specified and as directed Note- (i) Necessary weights for load testing shall be arranged by the contractor on his own cost. (ii) Shifting of load at site and shifting to different buildings/locations using truck/mobile crane etc of suitable capacity shall be arranged by the contractor . (iii) Tools, tackles ,chains and sling etc of suitable capacity required for load testing shall be arranged by the contractor. (iv) Unit rate quoted shall be deemed to including the cost of all above and no extra payment on this account shall be made . Adjustment of brakes, motors, gear boxes, electrical system, load hook, steel wire ropes, limit switches and all related item. (v) The above rates are inclusive of Labour & servicing of crane (vi) Spare parts to be measured & paid separately

All as per serial Item No. 1 here-in-before but for of 10 Ton capacity EOT crane.

All as per serial Item No. 1 here-in-before but for of 2 Ton to 5 ton capacity HOT Cranes.

Supply only limit switch for long traverse heavy duty of 2 Ton capacity EOT cranes complete all as specified and as directed.

Supply only limit switch for long traverse heavy duty of 10 Ton capacity EOT cranes complete all as specified and as directed.

Supply only limit switch roller lover type of cross traverse for 2 Ton capacity EOT cranes/hoist complete all as specified and as directed.

Supply only limit switch roller lover type of cross traverse for 10 Ton capacity EOT cranes/hoist complete all as specified and as directed.

Supply only flame proof thrustor unit as per existing capacity including taking down the old unserviceable complete all as specified and as directed.

Supply only gear oil grade 20 W 40 (heavy duty industrial oil) suitable for reduction gear boxes complete all as specified and as directed.

Supply only brake liner set suitable for 100mm dia drum for LT/CT motion of 2 Ton capacity FLP crane complete all as specified and as directed.

Supply only brake liner set suitable for 150mm dia drum for hoist motion of 10 Ton capacity FLP crane complete including taking down old unserviceable complete all as specified and as directed.

Supply only torque spring suitable for 6 Kg capacity 100mm dia drum brakes of LT/CT motion including taking out the old unserviceable complete all as specified and as directed.

Supply only air break contactor 12 amps coil voltage 110 volts 50 Hz including taking out old unserviceable complete all as specified and as directed. Make : ABB/L&T/Seimens

Supply only for MS coupling 25mm dia with nuts ,bolts and bushes suitable for LT/CT motors including taking out the old unserviceable complete all as specified and as directed.

Supply only break oil/fluid to hydraulic throttle break for toping up/replacing complete all as specified and directed. Make : Servo/Castrol/Shell

M&L for rewinding of 0.5 HP to 1 HP motor capacity of crane after 3 phase, 415 Volts, other parts and rewinding with super enamelled copper wire of same gauge and number of turns and applying insulating varnish including overhauling / servicing greasing and replacement of unserviceable bearings and miscellaneous parts and reassemble the parts, re-fixing to the position testing for its satisfactory working, etc complete all as specified and as directed

All as per serial Item No.16 here-in-before but motor 2 HP to 3 HP Capacity.

All as per serial Item No.16 here-in-before but motor 5 HP to 7.5 HP Capacity.

M&L for checking existing V3F drive system of crane capacity 2 Ton to 10 Ton and repairing of control panel, with all accessories as under mentioned for EOT crane of double girder type capacity 2 Ton complete all as specified and as directed. (a) V3F AC drive 5.5 KW (b) V3F AC drive 1.5 KW

S&F as in repairs steel wire rope multi stranded 6/19 centre fibre core 6mm or 8mm dia complete all as specified and as directed.

S&F as in repairs steel wire rope multi stranded 6/19 centre fibre core 12mm dia complete all as specified and as directed.

S&F as in repairs cable PVC insulated sheathed with copper bunched conductor of size 16 core, 1.5 sq.mm complete all as specified and as directed.

S&F as in repairs 3 pole power contactor with auxiliary contacts 1NO+1NC, 12 Amps, 3 phase, 415 volts, AC complete all as specified and as directed .

S&F as in repairs 3 pole power contactor with auxiliary contacts 1NO+1NC, 18 Amps, 3 phase, 415 volts, AC complete all as specified and as directed .

Supply only AC solenoid brake, type S, for drum size 101.6mm dia including drum complete all as specified and as directed. Make : BCH, Cat part No. S- 42 and AC 50D4 or its equivalent model of any make as approved by GE.

Supply only over load relays range from 1.58 Amps to 2.3 Amps for power contactors complete all as specified and as directed. Make : BCH, Cat part No. MC 305ANA3F or its equivalent model of any make as approved by GE.

Supply only over load relays range from 2.4 Amps to 3.8 Amps for power contactors complete all as specified and as directed. Make : BCH, Cat part No. MC 305ANA3G or its equivalent model of any make as approved by GE.

M&L for dismantling of unserviceable hook block from EOT crane and supply, install, commissioning and testing of lifting hook block shank type plain hooks with hook latch as per IS 3815 and IS 5749, suitable for 2 Ton capacity complete all as specified and as directed.

S&F as in replacement of transformer 440 volt /110 volt for 2 Ton capacity EOT crane of capacity as under complete all as specified and as directed

S&F as in replacement of transformer 440 volt /110 volt for 10 Ton capacity EOT crane of capacity as under complete all as specified and as directed

S&F as in repairs electromagnetic clutch DC working, complete set (coil body & armature plate) suitable for EOT cranes/hoist for micro speed of hoist complete all as specified and as directed

S&F as in repairs pendent control box enclosure of suitable size for 2 ton to 10 ton capacity EOT crane and hoist pendent control housing of push button complete all as specified and as directed. Note : Push button will be measured and paid separately.

S&F as in repairs push button with control element (01 No + 1 NC) complete all as specified and as directed. Make : L&T/C&S/BCH.

M&L for dismantling of existing reduction gear box of 2 Ton capacity EOT crane with device to hoist CT/LT motion traverse to carry out replacement of following unserviceable parts/carry out misc repair and re-fixing the gear box after checking alignment of brake drum and motor and motor gear box in existing position as below complete all as specified and as directed.:- (a) Replacement the worn out shaft seal & bearing (b) Replacement of internal cover gasket (c) Replacement of gear oil completely (d) Grinding and cleaning of teeth of gears of cranes complete. (e) Unserviceable gear coupling with nuts and bolts complete etc. Note : Gear oil will be measured and paid separately.

All as per serial Item No. 34 here-in-before but 10 ton capacity.

S&F as in repairs enclosed gear box helical type, splash lubricated with gears machined and ground from EN-9 steel and pinion from EN-24 duly hardened suitable for 2 ton capacity EOT crane.The coupling between the gearbox and motor shall be geared type and the coupling shall act as brake drum on which thruster brake is mounted complete all as specified and as directed.

S&F as in repairs enclosed gear box helical type, splash lubricated with gears machined and ground from EN-9 steel and pinion from EN-24 duly hardened suitable for 10 ton capacity EOT crane.The coupling between the gearbox and motor shall be geared type and the coupling shall act as brake drum on which thruster brake is mounted complete all as specified and as directed.

M&L for servicing and repairing of 630 KVA Oil Cooled Servo Voltage Stabilizer/ Voltage regulator/dimmerstat by disconnecting of all incoming and outgoing cable, opening of top cover carefully, cleaning of motor, service connection ,gear pinion and replacement of minor spares such as fuse, diode, carbon brushes, holder, internal electrical wiring and electronic accessories and insulated properly by varnishing, greasing, CRC spraying, electrical connections, filtration of transformer oil, making electrical connection by replacing the consumable spares such as gaskets, rubber oil seals complete etc but other spares as listed here-in-after shall be replaced and cost of spare parts as supply only shall be measured and paid separately under relevant item after that testing of servo voltage stabilizer in presence of Engr-in-charge complete all as specified and as directed.

Supply only Potentiometer complete all as specified and as directed. Make : Volina/Hindustan/AE/Volt Amp

Supply only Voltmeter complete all as specified and as directed. Make :MECO/Havells/L&T/HPL/Crompton/AE

Supply only Ampere meter complete all as specified and as directed. Make :MECO/Havells/L&T/HPL/Crompton/AE

Supply only P C B holder complete all as specified and as directed. Make : Volina/Hindustan/AE/Volt Amp

Supply only servo motor suitable for 630 KVA Voltage stabilizer complete all as specified and as directed. Make : Volina/Hindustan/AE/Volt Amp

Supply only rotary switches complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Carbon Brush complete all as specified and directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Carbon Holder & Spring complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Servo motor gear pinion complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only R C net work for 10 Kg motor complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only R C net work for 20 Kg motor complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

All as per serial Item No. 38 here-in-before but for capacity 200 KVA to 300 KVA three phase.

Supply only Potentiometer complete all as specified and as directed. Make : Volina/Hindustan/AE

Supply only Voltmeter complete all as specified and as directed. Make : MECO/Havells/L&T/HPL/Crompton/AE

Supply only Ampere meter complete all as specified and as directed. Make :MECO/Havells/L&T/HPL/Crompton/AE

Supply only P C B holder complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt Amp

Supply only servo motor suitable for 200 KVA to 300 KVA Voltage stabilizer complete all as specified and as directed. Make : Volina/Hindustan/AE/Volt Amp

Supply only rotary switches complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Carbon Brush complete all as specified and directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Carbon Holder & Spring complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Servo motor gear pinion complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only R C net work for 10 Kg motor complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only R C net work for 20 Kg motor complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

All as per serial Item No. 38 here-in-before but for capacity 50 KVA to 100 KVA three phase.

Supply only Potentiometer complete all as specified and as directed. Make : Volina/Hindustan/AE

Supply only Voltmeter complete all as specified and as directed. Make : MECO/Havells/L&T/HPL/Crompton/AE

Supply only Ampere meter complete all as specified and as directed. Make :MECO/Havells/L&T/HPL/Crompton/AE

Supply only P C B holder complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt Amp

Supply only servo motor suitable for 50 KVA to 100 KVA Voltage stabilizer complete all as specified and as directed. Make : Volina/Hindustan/AE/Volt Amp

Supply only rotary switches complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Carbon Brush complete all as specified and directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Carbon Holder & Spring complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only Servo motor gear pinion complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

Supply only R C net work for 10 Kg motor complete all as specified and as directed. Make : Volina/Hindustan/Servocon/AE/Volt amp

M&L for dehydration and filtration of existing servo voltage stabilizer oil of any capacity on site at different locations without disturbing the power supply system with filtration machine and heating system in order to achieve di-electric strength of oil 50KV-60KV minimum at 2.5mm gap complete all as specified and as directed.

Supply & filling up of servo voltage stabilizer oil conforming to IS as in topping up / replacement up to desired level of servo voltage stabilizer oil capacity complete all as specified and as directed. Note: Di-electric strength of oil should not be less than 50KV at 2.5 mm gap complete all as specified and directed Make : GULF/POWER OIL/CASTROL

S&F as in repairs change over switch (open execution type) 4 pole, 415 volts, 50Hz, 400 Amps complete all as specified and as directed. Make :Havells/Legrand/L&T/ABB

S&F as in repairs change over switch (open execution type) 4 pole, 415 volts, 50Hz, 630 Amps complete all as specified and as directed. Make :Havells/Legrand/L&T/ABB

M&L for cable in trenches or passing through pipe, XLPE insulated, heavy duty, galvanised steel strip or wire un-armoured electric LT cable with stranded copper conductor for 1100 volts grade, cross sectional area 50sq.mm, single core complete all as specified and directed.

S&F 415 volts, 10 KA, 'C' curve miniature circuit breaker of TPN, 40 to 100 Amps and current carrying capacity in the DB with connection testing and commissioning including taking out existing unserviceable / burnt MCB from site complete all as specified and as directed.

S&F 240 volts, 10 KA, 'C' curve miniature circuit breaker of SP, 6 to 32 Amps and current carrying capacity in the MCB DB with connection testing and commissioning including taking out existing unserviceable / burnt MCB from site complete all as specified and as directed.

S&F MCCB 4 Pole, 415 volts, 50 Hz 160 Amps with breaking capacity 36 KA, thermal & magnetic adjustable type, with extended copper terminals including taking out existing unserviceable / burnt MCCB from site complete all as specified and as directed.

All as per serial Item No. 48 here-in-before but 250 amps MCCB, breaking capacity 36 KA.

All as per serial Item No. 48 here-in-before but of 400 Amps MCCB, breaking capacity 36 KA.

All as per serial Item No. 48 here-in-before but of 630 Amps MCCB, breaking capacity 50 KA.

S&F 1100 volts grade heavy duty 4 Sq.mm cable twin core cable flat or circular PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections one complete all as specified and directed.

S&F 1100 volts grade heavy duty 6 Sq.mm cable twin core cable flat or circular PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections one complete all as specified and directed.

S&F 1100 volts grade heavy duty 10 Sq.mm cable twin core cable flat or circular PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections one complete all as specified and directed.

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts earthed, grade cross sectional area 95 sq.mm complete all as specified and directed.

M&L for re-laying and re-routing after pulling out the HT/LT cable any size from trenches/road crossing/from the circular pipe/duct etc without damaging the cable and cleaning/straightening of cable if required at site of serviceable HT/LT UG cable of any size and any capacity all as specified and as directed. Note:- Excavation, sand, bricks and connected items shall measured and paid separately.

Excavation in trenches not exc. 1.50m wide and not exc. 1.50m in depth and getting out in soft / loose soil complete all as specified and as directed.

M&L for sand cushioning (dry) in trenches for protection of UG cables (below, above and around the UG cable laid in trenches) of 230mm spread thickness and consolidated (punned) upto 180mm thickness, complete all as specified and as directed. NOTE : For the purpose of payment, punning thickness of sand cushioning shall only be measured and paid.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25cm thick in soft/loose soil complete all as specified and as directed.

Removing excavated materials not exc. 50m and depositing where directed at a level not exc. 1.50m above the starting point complete all as specified and as directed.

S&F sub-class 'B' brick, well burnt, laid breadth-wise along the length of cable laid in trenches over sand cushion laid for UG cable protection complete all as specified and as directed.

Re-laying only old brick in trenches for under ground cable over the sand cushioning for cable protection (serviceable bricks obtained from Item here-in-before) complete all as specified and as directed.

M&L for earthing with copper plate electrode 600mm x 600mm x 3.15mm thick burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to copper strip 20 x 3 mm as earthing lead means of nuts, bolts and washers made out of galvanised iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead and connected to test point or as directed including Pit in plain cement concrete (1:3:6) type C-1 (using 20mm graded stone aggregate) and RCC Cover of size 450x450x50mm in RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) reinforced with and including 8.0mm dia TMT Bars @ 100mm centre to centre both ways, galvanised Iron wire mesh, funnel, galvanised Iron watering pipe 20mm bore medium grade, including necessary excavation and earth work in soft/ loose soil, returning, filling in and removal of surplus soil upto a distance of 50m and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and testing on completion, including taking down old unserviceable earthing complete all as specified and as directed.

M&L for earthing with galvanised mild steel earth plate electrode 600mm x 600mm x 6mm thick burried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to galvanise iron strip 32 x 6 mm as earthing lead means of nuts, bolts and washers made out of galvanised iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead and connected to test point or as directed including Pit in plain cement concrete (1:3:6) type C-1 (using 20mm graded stone aggregate) and RCC Cover of size 450x450x50mm in RCC (1:2:4) type B-1 (using 20mm graded stone aggregate) reinforced with and including 8.0mm dia TMT Bars @ 100mm centre to centre both ways, galvanised Iron wire mesh, funnel, galvanised Iron watering pipe 20mm bore medium grade, including necessary excavation and earth work in soft/ loose soil, returning, filling in and removal of surplus soil upto a distance of 50m and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and testing on completion, including taking down old unserviceable earthing complete all as specified and as directed.

M&L as in repairs of incoming and outgoing cables of feeder pillar box/DB, 415 Volt, by taking out burnt out portion, dressing, crimping, replacement of gland, lugs, terminal nuts and bolts, bus bar, MCCB etc. as required at site complete all as specified and as directed. Note : Item such as gland, lugs, terminal nuts and bolts, bus bar, MCCB, etc to be measured and paid separately.

S&F aluminium lugs complete all as specified and as directed of following sizes : -

M&L for cable jointing kit for 11KV(Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sq.mm and testing complete all as specified and as directed.

M&L for cable jointing kit for 11KV(Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sq.mm and testing complete all as specified and as directed.

M&L for mild steel nuts, bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, n exc 5cm long and diameter of neck 5 to 10mm complete all as specified and as directed.

Comprehensive maintenance of electrically operated automatic passenger lifts of capacity 10 passenger / 680 Kgs , make KONE at a speed of 1m / sec with automatic steel sliding door up to (G+5 floors) in SRE building at 10 wing air force jorhat keeping the lift and its accessories in perfect working condition with the repair and replacement of miner defect /worn out parts / components lubricating of the lift including alarm system without affecting the normal functioning of the lift etc complete all as specified and as directed.

Supply only sensor, magnet 100VDC 150VAC D12M complete all as specified and as directed.

Supply only sensor, magnet 250VDC 250VAC 3A D12MM complete all as specified and as directed.

Supply only SMF battery 12V 12AH complete all as specified and as directed.

Supply only maintenance free battery complete all as specified and as directed.

Supply only ERD sensor board assembly complete all as specified and as directed.

S&F K guard W surge PCB 65 amps without phase sensing complete all as specified and as directed.

S&F ERD RFI assembly complete all as specified and as directed.

S&F PCB, LOPCB, LCE complete all as specified and as directed.

S&F PCB-LCECPU, NC board V3F 18 complete all as specified and as directed.

S&F contactor, 400 volts AC 50 amps AC3, 3NO complete all as specified and as directed.

S&F LCE CCBE assembly complete all as specified and as directed.

S&F TL jones curtain of lights complete all as specified and as directed.

S&F coupler, AMD 010 267x251x20mm complete all as specified and as directed. Note:- The contract sum shall be calculated by deducting the amount shown in schedule of credit attached to this tender, from total amount of Schedule 'A'/BOQ.

M/S DHAR AND DHAR

M/S DILIP GOSWAMI

Bidder Name

M/S DHAR AND DHAR

M/S PS ENTERPRISE

M/S DILIP GOSWAMI