REPLACEMENT OF CORRODED PANELS, UG CABLE AT ZONE B AREA AND REPAIR AND MAINT OF DIFFERENT TYPES OF AIR CONDITIONERS, REFRIGERATOR, DEEP FREEZER, WATER COOLER, PUMPS ETC. AT VARIOUS LOCATIONS AT SEVOKE ROAD MIIL STATION

Amount

Excavation in trenches not exc. 1.5 mtr wide and depth not exc. 1.5 mtr for foundation, laying GI pipes and UG cables etc not exc 10 sqmtr on plan, in soft/loose soil and getting out complete all as specified and directed.

Excavation in trenches not exc. 1.5 mtr wide and depth not exc. 1.5 mtr for foundation, laying GI pipes and UG cables etc not exc 10 sqmtr on plan, in hard/dense soil and getting out complete all as specified and directed.

Returning filling in with approved excavated soil including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and directed.

Removing excavated soils to a distance not exceeding 50 metres and depositing where directed at a level nexc. 1.5 metre above the starting point complete all as specified and directed.

Materials and labour for 50 mm outer dia double wall corrugated (DWC) HDPE pipe, ISI marked for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc complete all as specified and directed.

Materials and labour for 75 mm outer dia double wall corrugated (DWC) HDPE pipe, ISI marked for enclosing cable below ground/road surface to a required depth including suitable size couplers for jointing of pipe all as per site requirement etc complete all as specified and directed.

Materials and labour for GI tubing of 40 mm bore light grade with all fitting fixed to wall/ceiling/pole or in trench formed by road/PCC cutting/boring/ laid on floor as cable protection all as specifed and directed.

Materials and labour for GI tubing of 50 mm bore light grade with all fitting fixed to wall/ceiling/pole or in trench formed by road/PCC cutting/boring/ laid on floor as cable protection all as specifed and directed.

Materials and labour for GI tubing of 80 mm bore light grade with all fitting fixed to wall/ceiling/pole or in trench formed by road/PCC cutting/boring/ laid on floor as cable protection all as specifed and directed.

Supply and laying in trenches/wall LT UG XLPE insulated ,armoured heavy duty electric cable with aluminium conductor 1100 volts grade cross sectional area 185 sq mm x 3.5 core including taking down old unserviceable cable and making necessery connections all as specified and as directed.

All as item no 10 but of size of cable 150 sqmm 3.5 core

All as item no 10 but of size of cable 120 sqmm 3.5 core

All as item no 10 but of size of cable 95 sqmm 3.5 core

All as item no 10 but of size of cable 70 sqmm 3.5 core

All as item no 10 but of size of cable 50 sqmm 3.5 core

All as item no 10 but of size of cable 25 sqmm 4 core

All as item no 10 but of size of cable 16 sqmm 4 core

All as item no 10 but of size of cable 10 sqmm 4 core

All as item no 10 but of size of cable 16 sqmm 2 core

Supply and fixing Steel tubular swaged pole complete with cast iron base plate, finial taper plug, bolts, nuts and screws of type 410 SP-31 ( 9 metre long) complete all as specified and directed.

Supply and fixing cable jointing kit for 1.1 KV grade for straight through joint cold shrink type, complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, aluminium conductor cable of size 70 to 185 Sqmm, Outdoor type, including taking out old damaged joint kit complete all as specified and as directed. (Note:- Excavation and connected items will be measured and paid separately)

Supply and fixing cable jointing kit for 1.1 KV grade for straight through joint heat shrink type, complete with jointing material and accessories suitable for 3.5/4 core XLPE, armoured, aluminium conductor cable of size 16 to 50 Sqmm, complete all as specified and as directed. (Note:- Excavation and connected items will be measured and paid separately)

Materials and labour for PCC, type C1, (1:3:6), using 20mm graded crushed stone aggregated, as in coping of poles including formwork including demolition of old damaged concrete from pole complete all as specified and as directed

Materials and labour PCC, type D2, (1:4:8), using 40mm graded crushed stone aggregated, as in PCC on road cutting /installation area and foundation of pole etc complete all as specified and as directed.

Materials and labour for boring holes 1mtr deep in soil under roads/PCC as directed for cable passing through pipes of required size and disposal of soil to a distance not exc. 50m. (Note: Connected items like Pipes is measured and paid seperately under relevant items).

Supply and fixing in repair Indicator lamp (AC/DC), LED, type for as per existing fitting.complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in repair 3 Phase LED Ammeter complete all as specified and as directed by Engr-in-Charge.

Supply and fixing in repair, 3 phase LED Voltmeter complete all as specified and as directed by Engr-in-Charge.

Supply and fixing as in repairs MCCB four pole , 415 Volt, 63 Amps,16 KA , fixed thermal & magnetic setting complete all as specified and directed

Supply and fixing as in repairs MCCB four pole , 415 Volt, 100 Amps,25 KA , fixed thermal & magnetic setting complete all as specified and directed .

Supply and fixing as in repairs MCCB four pole , 415 Volt, 125 Amps,25 KA , fixed thermal & magnetic setting complete all as specified and directed.

Supply and fixing MCCB, 160 Amps, 4P, 25 kA, 415 Volts, with adjstable thermal release & adjustable magnetic release complete including taking down old unserviceable MCCB complete all as specified and as directed. .

Supply and fixing MCCB, 200 Amps, 4P, 25 kA, 415 Volts, with adjstable thermal release & adjustable magnetic release complete including taking down old unserviceable MCCB complete all as specified and as directed.

Supply and fixing MCCB, 250 Amps, 4P, 25 kA, 415 Volts, with adjstable thermal release & adjustable magnetic release complete including taking down old unserviceable MCCB complete all as specified and as directed.

Supply and fixing MCCB, 400 Amps, 4P, 36 kA, 415 Volts, with adjstable thermal release & adjustable magnetic release complete including taking down old unserviceable MCCB complete all as specified and as directed.

Materials and labour for earthing complete with galvanized steel pipe electrode 40mm bore, medium grade, 3.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead galvanized iron strip of size 25x4 mm connected to galvanized earth pipe by means of bolts, nuts, checknuts and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 6mm round bar, including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanized steel tube for watering with one end fix with cast iron funnel and wire-mesh, with protection pipe of 32 mm dia light grade galvanized steel tubing upto 7.5 meters length for drawing earthlead including common salt, charcol , bentonite in alternate layers etc all in around of earthing pipe of 600mm dia, complete all as shown in EP number 2 of SSR Part-1 including testing on completion and including taking down old U/S earthing & testing complete all as specified and as directed.

Materials and labour for earthing complete with galvanized steel pipe electrode 40mm bore, medium grade, 3.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead galvanized iron wire of size 4 mm dia connected to galvanized earth pipe by means of bolts, nuts, checknuts and washer of galvanized iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made of 6mm round bar, including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanized steel tube for watering with one end fix with cast iron funnel and wire-mesh, with protection pipe of 32 mm dia light grade galvanized steel tubing upto 7.5 meters length for drawing earthlead including common salt, charcol , bentonite in alternate layers etc all in around of earthing pipe of 600mm dia, complete all as shown in EP number 2 of SSR Part-1 including testing on completion and including taking down old U/S earthing & testing complete all as specified and as directed.

Materials and labour for water proof, 3core PVC insulated and PVC sheathed, copper conductor cable of size 1.5 sqmm, 1100 Volts grade for electrical connection of street light fittings, complete all as specified and directed.

Supply and fixing thermoplastic polycarbonate cable junstion box having protection IP 66 "dust proof, acid resistant, shock proof, fire retardent self extinguisher" for outside installation with knockout entry for cable of size 16 sqmm and 155x155x100 mm with terminals, brackets for street light pole mounting and provision of one 6A MCB SP all as specified and as directed.

Materials and labour for painting old painted LT Panel/feeder pillar by two coats of synthetic enamel paint after preparation of surfaces complete all as specified and as directed.

Servicing of LT Panel after shut down and removing all dust particles and proper layout of LT panel wlth gland packing including 2.5 sqmm copper single core copper cable including repairing/replacing door hinges/door lock etc amd for necessary connections complete all as specified and directed

Materials and labour for Preparation of metalic surface with sand paper for street light pole and other steel surface complete all as specified and as directed by Engr- in-Charge

Materials and labour for one coat of red oxide zinc chrome primer on steel surfaces of street light pole and other steel surface complete all as specified and as directed by Engr- in-Charge

Materials and labour for aluminium paint two coats on newly primed metalic surface of street light pole and other steel surface complete all as specified and as directed by Engr- in-Charge

Materials and labour for two coats of Yellow/black synthetic enamel paint on metalic surface complete all as specified and as directed by Engr- in-Charge

Materials and labour for preparation of old decorated concrete/plastered surfaces and applying two coats of Cement based paint complete all as specified and as directed by Engr- in-Charge

Taking down old servicable LT UG Cable and refixing same after making necessary repair complete all as specified and as directed by engineer-in-charge (Note: Excavation shall be paid and measured separately under relevant items).

Taking out old bricks and relaying after cable repair work complete all as specified and as directed.

Materials and labour for taking out cable loop of LT feeder panel and seperating old insulation and fixing cable end jointing kit upto 120 Sqmm 3.5 core size cables complete all as specified and as directed by engineer-in-charge. (Note: Excavation shall be paid extra under relevant items.

Supply and fixing in repair 8 KW ,three phase automatic Street Light timer switch for automatic switching on/off street light based on lux level of nature light, consisting of sensor overload protection fuse gear, power contactor & MCB of suitable capacity, terminal blocks for cable entry & control unit enclosed in pole/Wall mountable elcosure made out of rust proof, shock proof, termite proof FR grade SMC, conforming to IP 66 with universal lock and key arrangement complete all as specified and as directed by Engr- in- Charge

Materials and labour for cleaning/servicing of 1/1.5 TR capacity window/split type AC cooling/condensing coil with the help of compressed nitrogen inner side of copper tube for flushing out all sludge and oil deposited in the copper tube and charging of refrigerant as required including replacement of strainer and finding out the leakage, brushing the same and testing complete all as specified. Note : Refrigerant will be measured and paid saperately as supply only.

Materials and labour for cleaning/servicing of 2 TR capacity split type AC cooling/condensing coil with the help of compressed nitrogen inner side of copper tube for flushing out all sludge and oil deposited in the copper tube and charging of refrigerant as required including replacement of strainer and finding out the leakage, brushing the same and testing complete all as specified. Note : Refrigerant will be measured and paid saperately as supply only.

Supply only refrigerrant gas (R-22/R-134/R-32/R-410 etc) suitable for existing compressor model of ACs complete all as specified and directed.

Supply and fixing as in replacement AC single phase 230 volts contactor assembly for 1/1.5/2.0 TR capacity split/window AC condensing unit, complete all as specified.

Supply and fixing as in replacement of AC single phase 230 volts PCB for 1/1.5/2.0 TR capacity split/window AC including inverter type air conditioners complete all as specified.

Supply and fixing as in replacement AC single phase 230 volts remote (Hand set) for 1/1.5/2.0 TR capacity split/window AC complete all as specified.

Materials and labour re-winding of blower motor including replacement of bushes with same size and guage of wire for 1/1.5/2.0 TR capacity window/split AC (condensing unit), complete all as specified.

Materials and labour for replacement of blower motor for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for re-winding of runner motor including replacement of bushes with same size and guage of wire for 1/1.5/2.0 TR capacity window/split AC (cooling unit), complete all as specified.

Materials and labour for replacement of 4/6 mfd capacitor for blower motor of window/split AC of any capacity, complete all as specified.

Materials and labour for replacement of 36/50 mfd running capacitor for compressor of window/split AC of any capacity, complete all as specified.

Materials and labour for replacement of 80/100 starting capacitor for compressor of window/split AC of any capacity, complete all as specified.

Materials and labour for replacement of thermostat for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for replacement of sensor for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for replacement of fan blade of blower motor for 1/1.5/2 TR window/split AC, complete all as specified.

Supply and fixing in repair flair nut made up brass of size 1/2', 3/4' and 5/8' complete all as specified and as specified.

Materials and labour for replacement of over load protector for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for replacement of starting relay for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for replacement of front cabinet for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for replacement of air filter for 1/1.5/2 TR window/split AC, complete all as specified.

Materials and labour for replacement of base trey for 1/1.5/2 TR window/split AC, complete all as specified.

Disconnecting connections electrically and mechanically and taking out existing unserviceable sealed compressor unit from 1/1.5 TR capacity window/Split of any make and S&F in replacement new sealed compressor suitable for 1/1.5 TR window/split AC and connecting up suction and discharge pipe line with gas welding and gas charging, complete all as specified. (Note: Refrigerent gas will be measured and paid saperately as supply only.)

Disconnecting connections electrically and mechanically and taking out existing unserviceable sealed compressor unit from 2 TR capacity split type AC of any make and S&F in replacement new sealed compressor suitable for 2 TR split AC and connecting up suction and discharge pipe line with gas welding and gas charging, complete all as specified. (Note: Refrigerent gas will be measured and paid saperately as supply only.)

Supply and fixing in replacement of swing motor as per existing size and type for 1/1.5/2 TR window/split AC, complete all as specified.

Supply and fixing in replacement split AC indoor unit 1.5 Ton capacity duly matching with the existing outdoor unit, complete all as specified.

Supply and fixing in replacement split AC Outdoor unit 1.5 Ton capacity including cooling condenser and outdoor PCB duly matching with the existing outdoor unit, complete all as specified. ( Note: Compressor and gas shall be measured and paid separately under appropriate items)

Supply and fixing in replacement outer cover box for window AC including condenser, PCB as per existing make and size complete all as specified and as directed.

Supply and fixing 20mm bore PVC pipe, heavy duty for drain out of condensing water of window/split AC including cutting of floors or making hole in wall and making good the disturbed portion after laying pipe with sadles etc to match the existing surface with original specifications, complete all as specified.

Supply and laying copper pipe (hard) 5/8" dia with PUF insulation, CFC free etc as required at site, complete all specified.

Supply and laying copper pipe (hard) 3/8" dia with PUF insulation, CFC free etc as required at site, complete all specified.

Materials and labour for taking out and dismantling the existing rusted unserviceable condensor coil from existing system of 1/1.5/2.0 TR window/split AC located at different places after decanning refrigerant gas from the system to empty cylinder, disconnecting all electrical connection, flair nuts, valves and shut down all preventive valves properly, supply and replace with new condensing coil as per existing system and flushing the whole system by nitrogen, leak testing by 200 PSI nitrogen pressure holding of 48 hours, charging of decanning refrigerant to the system and charging of additional refrigerant as required, commisioning and testing, complete all as specified. (Note: Adln Refrigerent will be measured in separate saperately as supply only.)

Materials and labour for replacement of freezer door of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified

Materials and labour for replacement of fan motor of refrigerator/deep freezer of any capacity, complete all as specified.

Materials and labour for replacement of 6/10 mfd running capacitor for compressor of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Materials and labour for replacement of 40/60 mfd starting capacitor for compressor of refrigerator/deep freezer upto 315 ltrs capacity , complete all as specified.

Materials and labour for replacement of 80/100 mfd starting capacitor for compressor of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Materials and labour for replacement of thermostat of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified

Materials and labour for replacement of chill tray of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Materials and labour for replacement of inner lights of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Materials and labour for replacement of door switch of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Supply and fixing in replacement of over load protector for refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Materials and labour for replacement of AC single phase 230 volt PCB for refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Supply and fixing in replacement of magnetic door gasket of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

Disconnecting electrically and mechanically refrigerator/ deep freezer and taking down sealed unit of compressor of refrigerator/deep freezer upto 315 ltrs capacity and replacement with new sealed unit of compressor of same size, type and capacity including connecting sealed unit and discharge pipe with gas welding/soldering including gas charging, complete all as specified. (Note: Compressor/SeaIed unit shall have one year replacement guarantee from date of installation.)

Leak testing of gas circulation system of refrigerator/deep freezer upto 315 ltrs capacity and supply & charging of refrigerant gas as per existing in entire system including supply and replacement of drier/filter and punching/providing dead plug, complete all as specified.

Materials and labour for dismantling the cover of condensor and cooling Coil, thoroughly cleaning/servicing the external surface (both side) of all the component including fins, base, discaling chemicals, water etc with the help of air blower, wire brushing and reassemble all the components plate, runner, fan blade etc in original position as and when directed for water cooler upto 150 ltrs capacity , complete alll as specified.

Taking down unserviceable sealed unit of water cooler upto 150 ltrs capacity and S&F in replacement new sealed compressor and connecting up suction and discharge copper pipe, gas filter, capillary etc with gas charging, welding and commissioning complete all as specified.

Supply and fixing in replacement of insulating material (Glass wool) of water tank including other connected accessories of internal body of water cooler upto 150 ltrs capacity, complete all as specified.

Materials and labour for gas charging of refrigerant in water cooler, complete all as specified.

Materials and labour for replacement of fan motor of water cooler of any capacity, complete all as specified.

Supply and fixing PVC connection pipe 15mm dia and 90 cm length with PTMT nuts and washers at both ends for water connection of water cooler upto 150 ltrs capacity, complete all as specified.

Supply and fixing PVC drain pipe flexible heavy duty with necessary saddles and fittings for drain out water from water cooler, complete all as specified.

Supply and fixing in replacement of fan blade for water cooler upto 150 Itrs capacity, complete all as specified.

Supply and fixing in replacement of water tray stainless steel for water cooler upto 150 ltrs capacity, complete all as specified and as directed.

Materials and labour for replacement of 10/15 mfd running capacitor for water cooler upto 150 Itrs capacity, complete all as specified and as directed.

Materials and labour for replacement of 40/50 mfd starting capacitor for water cooler upto 150 ltrs capacity, complete all as specified.

Materials and labour for replacement of 15mm bore chromium plated push cock as per existing shape suitable for water cooler upto 150 ltrs capacity, complete all as specified.

Materials and labour for replacement of thermostat for water cooler upto 150 ltrs capacity, complete all as specified.

Materials and labour for replacement of ball brass valve of 15mm, high pressure, with polythene float and flynut screwed for iron pipe or brass ferrule for water cooler upto 150 ltrs capacity, complete all as specified.

Materials and labour for replacement of magnetic door gasket for water cooler upto 150 ltrs capacity, complete all as specified.

Materials and labour for replacement of starting relay suitable for water cooler upto 150 ltrs capacity, complete all as specified

Materials and labour for replacement of over load protector suitable for water cooler upto 150 ltrs capacity, complete all as specified.

Supply & fixing in replacement voltage stablizer of 4KVA capacity, 240 V, single phase suitable for 1.5 TR capacity AC complete all as specified and as directed by engr-in-charge

Supply & fixing in replacement voltage stablizer of 4KVA capacity, 240 V, single phase suitable for 2 TR capacity AC complete all as specified and as directed by engr-in-charge

Material and labour for servicing/overhauling/greasing including de-scaling and cleaning of chocked pipe water circulating lines including service valves, condenser (heat Exchanger)by using suitable chemical, cooling tower, by dismantling the complete water pipe line by opening flange, socket, gate valve etc. cleaning the inner bore of pipe by any means to remove the scale, cleaning of condenser with concentrated de-scaling solution (concentrated hydrochloric acid) mixed with water in suitable proportion till the complete deposits/scale is removed as ordered, circulating through pump, servicing of valves, cooling tower, water spray assembly, cleaning with suitable size of drill rod, wire brush including dismantling and connecting all dismantled components in proper position painting of pipe line with same colour paint as per existing colour after servicing /overhauling/greasing etc with packing gasket 3mm thick, nuts, bolts with washer, testing of water line for leakage,refilling of refrigerent gas complete all as specified and directed by Engineer in charge for central AC plant 3 x 7.5TR capacity. Note : Spare parts required to be replaced will be measured and paid saperately as supply only.

Supply only HP/ LP switch control for central AC plant 3 x 7.5TR capacity.

Supply only 15 mm Copper pipe for central AC plant 3 x 7.5TR capacity.

Supply only Scroll Compressor as per existing make for central AC plant 3 x 7.5TR capacity.

Supply only Belt for central AC plant 3 x 7.5TR capacity.

Supply only Refrigerent R-22 for central AC plant 3 x 7.5TR capacity.

Supply and fixing in replacement pressure guage 150 Psi, complete all as specified and as directed.

Repair to existing 50 mm bore GI pipe line to prevent the leakage including cutting the pipe line in position and insertion of new fittings like sockets, tees, reducers, bends as required at site or welding of suitable size all as directed by Engr-in-charge.

Repair to existing 40 mm bore GI pipe line to prevent the leakage including cutting the pipe line in position and insertion of new fittings like sockets, tees, reducers, bends as required at site or welding of suitable size all as directed by Engr-in-charge.

Labour only to attend the complaint of unserviceable summer appliances,repair the minor faults complete all as specified and as directed (Note: spare parts and gas if required to repair the summer appliances shall be measured and paid separatly under respective items as supply only)

Materials and labour for shifting of AC window type upto 2 Ton with fixing arrangement, accessories required for fixing in new location incl transportation, complete all as speciifed and as directed.

Materials and labour for shifting of AC split type upto 2 Ton with fixing arrangement, accessories required for fixing in new location incl transportation, complete all as speciifed and as directed.

Materials and labour for complete servicing of the pump motor sets 3 HP by dismantling from the position, cleaning, greasing, including renewable of the bushes, both end ball bearings , gasket, gland packing/water seats, both end terminal re-assembling, in position connect to the circuit commissioning and testing complete all as directed.

Materials and labour for complete overhauling of pumpsets 3 HP by dismantling from the position and providing duming to the in and out flanges. Rewinding the burnt motor as per the existing standard,including renewable of the bushes, gland packing/water seats, terminal and complete painting after assembling, install in position connect to the circuit test and commissioning complete all as directed.

Supply and fixing in repair single phase preventor of 240 V, 50 Hz suitable for upto 10 HP starter complete all as directed.

Supply and fixing in repair power contactor of ML3, 15 Amp, 3 Pole with coil voltage of 240 V, 50Hz with 2 NO + 2NC auxillary contacts suitable for upto 10 HP starter complete all as directed.

M/S BHARAT CONSTRUCTION

Biswas Brothers Co

M/S HARMANS

Manish Ray and Co.

SRI SURAJIT SENGUPTA

M/s. STRUCTURES INDIA

BIJAN KUMAR DHAR