REPAIR TO WATER SUPPLY ZONE B AREA AND AIR CONDITIONING AT SEVOKE STN UNDER GE SEVOKE ROAD

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth and getting out excavated material for laying/ taking out pipe line, cables, etc in soft/ loose soil complete all as specified and directed

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

Removal of surplus soil to a distance not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point all as specified and directed

M & L for PCC (1:3:6) type C2 using (40mm graded crushed stone aggregate) as in foundations filling and mass concrete or any other works all as directed by Enginner- in -Charge

Taking up or down from any position existing GI water tubing and connections carefully including cleaning for refixing or removal to E/M store yard complete all as specified and as directed for following sizes:- Note :- Excavation/earth work shall be measured and paid seperately under respective item

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Laying/Fixing only old serviceable water tubing, jointing and testing as obtained from item No. 5 here-in-before in new or existing position including all new fittings, ISI Marked, such as bends, elbow, tee, reducers, sockets, unions etc as required, laid in trenches, fixed to wall/celling or floors including making holes in wall where required complete all as specified and directed by Engr-in-charge for the following sizes:-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply, laying, jointing & testing galvanised iron tubing medium grade with all fittings such as bends, elbow, tee, socket, reducers, unions etc as required at site laid in trenches complete all as specified and directed for the following sizes:-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

S&F in repair gun metal gate/globe valve, ISI Marked, with iron wheel head screwed both ends for pipe including taking down unserviceable complete all as specified and as directed the following sizes:-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Supply, laying, jointing & testing U-PVC pipeline with all fittings such as bends, elbow, tee, socket, reducers unions etc as equired at site laid in trenches complete all as specified and directed for the following sizes:-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Cutting of existing cast iron/DI pipes in any position for insertion and fitting of new Tee, Coller, Tail pieces etc for taking out connections, branch connections complete all as specified and directed for the following sizes:- Note :- (a) Excavation/earth work shall be measured and paid seperately under respective item of schedule. (b) Fittings shall be measured and paid seperately under respective item of the schedule

150 mm bore

100 mm bore

80 mm bore

Taking out cast iron/Ductile iron/PVC/Cemented water mains including all fittings with flanged joints/tyton joints/ spigot and socket ends for the following sizes :-

150 mm bore

100 mm bore

Supply, laying, jointing and testing of Ductile iron water mains Class K-7 with spigot and socket ends including rubber gasket joints laid in trenches complete all as specified and directed for the following sizes :-

150 mm bore

100 mm bore

Laying/fixing only old serviceable water tubing and jointing with rubber gasket and testing as obtained from item No-11 here-in-before in new or existing position including laid in trenches , where required complete all as specified and directed by Engr-in-charge for the following charges:-

150 mm bore

100 mm bore

Supply, fixing and testing DI fittings for spigot & socketed or flanged pipes i.e. bends, reducers, tail pieces, tapers, tees, collars, caps, plugs with MS plate, nuts, bolts, washers gaskets etc of sizes 80mm to 200mm dia including taking out Unserviceable complete all as specified and directed .

M&L for boring drilling, threading and tapping on existing cast iron mains of size 80 mm to 300 mm bore for connecting 15/20/ mm bore pipe by fixing on clamp made out of MS flat iron of size 40 x 3 mm made to required shape & size with GI socket duly welded, nut & bolts etc. complete all as specified and directed.

Repair to existing 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 for the following sizes :- Note:- GI fittings shall be measured separately as supply only

Supply only GI socket of following sizes:-

50 mm bore

25 mm bore

20 mm bore

Supply only GI union of following sizes:-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Supply only GI Nipple of following sizes :-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Supply only GI reducer socket of following sizes:-

50x40 mm bore

50x25 mm bore

40x25 mm bore

Supply only GI plug of following sizes:-

50 mm bore

40 mm bore

25 mm bore

20 mm bore

S & F in replacement Stack clamp made out of 50mm x 5mm, mild steel flat iron including nuts, bolts, gasket etc for the following sizes:-

150mm bore

100mm bore

80mm bore

M & L for taking out sluice valve, refacing, remetaling,regrinding and refixing of following bore dia, complete all as specified and directed:

200mm bore

150mm bore

100 mm bore

S&F in replacement sluice valve PN 1.6 with Stainless steel spindle nuts, bolts, washers and rubber gasket sheet for packing including taking out existing unserviceable sluice valve fixed at any position all as specified and directed by Engineer-in-charge.

150mm bore

100mm bore

80 mm bore

Burning out Lead Joint in Cast Iron Pipes 100mm to 150mm bore in any Position including recovering old Lead and jointing using old lead & new jute and caulking with chisel properly complete all as specified and as directed. Note- Excavation & earth work if required shall be measured separately. (ii) Extra lead if required and Jute rope will be measured and paid separately under respective items as supply only.

Supply only Lead

Supply only Jute Rope

S & F mechanical joint of following sizes, complete all as specified and directed:

200mm bore

150mm bore

100mm bore

Cleaning of over head/Under ground sump, RCC tank of following capacity by de- watering duly scraping the inner surface cleanig the same with bleaching powder including lime wash of the complete inner portion of tank all as directed by Engr-in-Charge. Note : (i) Cost of sefty equipment such as sefty belt and Scafolding etc is deemed to included in the quoted item rate.

For 50,000 Gallon O/H tanks at 18 to 20 mtr height

For 40,000 Gallon O/H tanks at 18 to 20 mtr height

Dismantling of GI Pipe Connections from the Pressure Filter Plant capacity 6000 to 10000 Gallons, opening the Manhole and removal/taking out old Filter Media completely from Oxidation Chamber, Pre-filter, Iron Removal Filter and depositing the same to a distance not exc. 100 Metre and re-fixing the pipes in the original/existing Position after replacement of unserviceable PVC Nozzle (Dom type) including replacement of Gasket of Manhole Cover and necessary Bolts, Nuts, Washers, etc. as required, complete all as specified and as directed.

Supply and incorporation of MNO2 of size 1/2'' x 1'' as filter media of oxidatia chamber, complete all as specified & directed.

Supply and incorporation of GRAVEL of size 1 1/4'' x 1 1/2''(collection sourceBARAKAR river bank) as filter media of iron removal plant complete all as specified & directed.

Supply and incorporation of GRAVEL of size 1/2'' x 1''(collection sourceBARAKAR river bank) as filter media of iron removal plant complete all as specified & directed.

Supply and incorporation of GRAVEL of size 1/4'' x 1/2''(collection sourceBARAKAR river bank) as filter media of iron removal plant complete all as specified & directed.

Supply & incorporation of SAND of size 1/6" x 1/8'' mesh (collection source BARAKAR river bank) as filter media of iron removal plant complete all as specified & directed.

Supply & incorporation of Anthracite grit of size 1/8" x 1/4'' as filter media of iron removal plant complete all as specified & directed.

Supply only PVC strainers ISI marked complete all as specified & directed.

M & L Painting to External Surfaces of Iron Removal Chamber, Pre-filter Chamber, Oxidation Chamber including Pipes complete of Fiteration Plant capacity 8000 GPH with Two Coats of Sythetic Enamel Paint of approved colour over a coat of Red Oxide Primer including neccessary preparation of surfaces, complete all as specified and as directed.

M&L Painting to Internal Surfaces of Iron Removal Chamber, Pre- filter Chamber and Oxidation Chamber including Pipes complete of Filteration Plant capacity 8000 GPH with Two Coats of Black Bituminous Paint (Lead Free) suitable for Drinking Water grade including necessary surface preparation by means of scraping, brushing, cleaning, complete all as specified and as directed.

Testing of water sample of various pump houses of sevoke for bacteriological and chemical testing from NABL approved laboratory including submitting the report to the engineer in charge ,complete all as specified & directed.

Supply & fixing in repair Pressure guage of capacity 210 kg/cm2. complete all as specified and as directed.

S&F 3 phase Digital panel volt Meter Flush Mounting 96x96mm, Accuracy Class-I, input voltage measurement range 17-520V AC (P-P), including taking out unserviceable complete all as specified and as directed.

S&F 3 phase 5A, Digital panel ammeter Flush Mounting 96x96mm, Accuracy Class-I, CT/PT Site programmable including taking down existing unserviceable one complete all as specified and as directed.

S&F 3 phase indicator lamp including taking down existing set complete all as specified and as directed by Engr-in-Charge

M&L for construction of valve chamber of sizes 1200mm x 1200mm x1200mm (internnal dimensions) with MS sheet cover 3mm thick with angle iron frame of size 50 x 50 x 6mm and locking arrangements including excvation and earth work in any type of soil,PCC (1:4:8) type D2 in foundation ,PCC benching 1:2;4 type B-1 ,PCC (1:5:8) block masonry 20 cm thick in cement mortor (1:6),10 mm thick plastering in CM 1:4 ,PCC bed in (1:3:6) and coping 50mm thick in cement concrete 1:2:4 type B1 using 20mm stone aggregate including necessary formwork, painting one coat of red oxide and two coats of bituminious black paint on all steel surfaces as specified and as directed including demolition of existing valve chamber,complete all as specified and as directed.

M&L for taking out submersible pump set of any capacity from bore well complete with column pipes of any size, submersible cable and steel wire rope and lowering the same in bore well after carry out necessary repairs/lowering of spare pump including T&P arrangement complete all as specified and as directed.

M&L for transportation of defective pump set to workshop dismantling the same incl Disconnecting electrical connections decoupling 440 volt AC submersible motor pump set of following capacities, dismantling the motor,taking out burnt winding wire from the stator, cleaning of the casing and the stator with wire brush, rewinding of motor with superior quality copper winding wire of existing size including varnishing and drying, cable jointing motor installing and pump, reconnecting including all pipe and electric connections and testing on full load complete :-

Servicing of pump obtained from item no 44, dismantling all parts cleaning , brushing all parts replacement of unserviceable parts if required greasing oiling of movable parts , re- assembling all serviceable parts complete all as specified and as directed. (Note :- spare part of pump will be measured and paid separately)

Supply only of following parts of submersible pump of 5 to 20 HP capacity : -

CI stage casing

Bearing bush rubber

Stainless Steel sleeve at staging

Brass impellers

Neck ring brass

Key for impellers

MS stud with nuts of size of 3/8" X 2" for stage casing

Bush gun metal at intermediate section

Steel sleeve at intermediate section

CI intermediate section

MS pipe of 100 mm dia including socket heavy grade o 3 mtr length for column pipe

Supply only ISI marked chemical for drinking water treatment , calcium based granular high strength disinfectant chlorinating chemical having 65 % to 70 % chlorine content in granular form. The Chemical should be of new batch number not more than 6 month old manufactured complete all as directed by Engineer-in-charge.

Supply only Non Ferric Alum Crystal type, conforming BIS 260-2001 (2nd Revision), complete all as specified.

S&F Single Phase Preventor used for automatic Star Delta Stater with on delay timmer (2-3min) and auto manual switch, complete all as specified and as directed.

S&F flat submersible cable 3 core multi stranded copper conductor of size 6 sqmm. complete all as specified and as directed.

Servincing of air compressor installed at various pump houses including dismantling of motor pump set, varnishing and heating up coils , greasing and oiling of movable parts, replacements of spare parts if required complete all as specified and directed. Note : Replacement of u/s parts shall be measured separately.

Supply only following items as per existing size and make of air compressor:-

Compressor oil

Nut bolts

Supply, install, testing & commissioning of approved factory made outdoor cubical type LT feeder piller Box outdoor type suitable for 3 phase 4 wire 415V,50 Hz, IP-54 of appropriate size as approved by Engr-in-charge totally enclosed weather, dust vermin proof made of angle iron frame 50mm X50mmX6mm with cable entry and exit through bottom with double compression copper stainless steel cable glands and gaskets and 3.15mm thick CRCA (cold rolled cold annealed )MS sheet bend to shape, front & back side operated double door with proper hinge and locking arrangement with Al bus bar fixed on porcelain insulator and painting panel board complete with two coats of powder coated paint over a coat of red oxide primer with spray painting on internal and external surfaces and shall be complete incl internal wiring using with suitable size of copper conductor cables and aluminium strips for incoming and outgoing connections of all switches/MCB's,/MCCB', Bus bar cable alley. Bus bar shall be insulated with colour code/sleeves/tapes including making necessary PCC (1:3:6) type C2 for foundation /Platform all as specified and directed.LT panel board shall be complete in all respects with and incl the following accessories:- All MCCB with adjustable protection for over load and short circuit and conforming to IEC60947-II/IS 13947-II (latest version). The MCCB should have Ics=100 % ICU. The MCBB's shall have spreader links and barries as standard feature of manufactureer. All outgoing feeder shall be connected by cable through suitable size gland plate/glands. The various feeders shall be indicated by font size not less than 20mm letters using acrylic sheet. The minimums clearance of bus bar shall be 32mm phase-phase and 26mm for phase to earth. The bus bar shall have colour coding with insulating tape. Platform for the panel with PCC 1:4:8 type D-2 with 40 mm graded crushed stone, 15 cm thick in foundation , brick work in CM 1:6 with sub class 'B' old size bricks, rendering 15 mm thick in CM 1:6 on exposed surfaces and 100mm thcik PCC padding 1:3:6 type C-1 using 20 mm graded crushed stone aggregated on top and grouting bolts etc for panel. The platform shall be such that it is of a height 45 cm above the nearest road level.

M & L for earthing complete with galvanised steel earth plate electrode 600 x 600 x 6 mm thick burried directly in ground (in vertical position ) earth pit not less than 2.25 mtrs below normal ground level with the top edgeof the earth plate not less than 1.5 mtr (B.G.L.) & connected to galvanised iron strip 25 x 4mm by means of bolts,nuts,checknuts & washer of galvanised iron including PCC (1:2:4) type B1 precast RCC cover slab with suitable handle made pf 6 mm round bar, including necessary excavation & earth work in any type of soil , 20 mm dia med grade galavinised steel tube for watering with one end fixed with cast iron funnel & wire mesh, 32 mm bore light grade galvanised steel tubing for proctection & common salt , charcoal in alternate layers etc. complete all as shown in EP no 3 of SSR Part 1 & testing on complection.

M&Lfor cleaning/servicing of cooling/condensing coil with the help of compressed nitrogen inner side of the 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 of 1/1.5/2 TR window AC, complete all as specified. (Note: Refrigerent gas will be measured separately.)

All as per item No. 58 but split type air conditioner upto 2 TR capacity (1 x indoor unit and 1 x outdoor unit)

Supply only refrigerrant gas (R-22/R-134) in cylinder of 5KG capacity for ACs complete all as specified and directed.

S&F 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.

M&L for repair of AC single phase 230 volt PCB for 1/1.5/2.0 TR capacity split/window AC cooling unit, complete all as specified.

S&F 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.

M&L for 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.

M&L for replacement of blower motor for 1/1.5/2 TR window/split AC, complete all as specified.

M&L 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.

M&L for replacement of 4/6 mfd capacitor for blower motor of window/split AC of any capacity, complete all as specified.

M&L for replacement of 36/50 mfd running capacitor for compressor of window/split AC of any capacity, complete all as specified.

M&L for replacement of 80/100 mfd starting capacitor for compressor of window/split AC of any capacity, complete all as specified.

M&L for replacement of thermostat for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of sensor for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of fan blade of blower motor for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of over load protector for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of starting relay for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of front cabinet for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of air filter for 1/1.5/2 TR window/split AC, complete all as specified.

M&L for replacement of base tray for 1/1.5/2 TR window/split AC, complete all as specified.

Disconnecting electrically and mechanically and taking out existing unserviceable sealed compressor from 1.5 TR window AC of any make and S&F in replacement new sealed compressor suitable for 1.5 TR window 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 separately)

All as per item no. 79 above but for 1.5 TR split AC, complete all as specified.

S&F in replacement of swing motor as per existing size and type for 1.5 TR window/split AC, complete all as specified.

S&F split AC indoor unit 1.5 Ton capacity duly matching with the existing outdoor unit, complete all as specified.

S&F 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.

M&L 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: Additional Refrigerent gas will be measured separately)

M&L for replacement of freezer door of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified

M&L for replacement of fan motor of refrigerator/deep freezer of any capacity, complete all as specified.

M&L for replacement of 6/10 mfd running capacitor for compressor of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

M&L for replacement of 40/60 mfd starting capacitor for compressor of refrigerator/deep freezer upto 315 ltrs capacity , complete all as specified.

M&L for replacement of 80/100 starting capacitor for compressor of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

M&L for replacement of thermostat of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified

M&L for replacement of chill tray of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

M&L for replacement of inner lights of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

M&L for replacement of door switch of refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

S&F in replacement of over load protector for refrigerator/deep freezer upto 315 ltrs capacity, complete all as s ecified.

M&L for replacement of AC single phase 230 volt PCB for refrigerator/deep freezer upto 315 ltrs capacity, complete all as specified.

S&F 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.

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.

M&L 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 compressor 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.

S&F in Replacement of old defective body of water cooler along with angle with angle iron frame work of section 40mm x 40mm x 6mm thick and MS sheet of 20 SWG including spray painting with two coats of synthetic enamel paint over one coat of red oxide zinc chrome primer to water cooler of any capacity, complete all as specified.

S&F in replacement of insulating material (Glass wool) of water tank including other connected accessories of intemal body of water cooler upto 150 ltrs capacity, complete all as specified.

M&L for gas charging of refrigerant in water cooler, complete all as specified.

M&L for replacement of fan motor of water cooler of any capacity, complete all as specified.

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

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

S&F in replacement of fan blade for water cooler upto 150 Itrs capacity, complete all as specified.

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

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

M&L for replacement of 40/50 mfd starting capacitor for water cooler upto 150 ltrs capacity, complete all as specified.

M&L 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.

M&L for replacement of thermostat for water cooler upto 150 ltrs capacity, complete all as specified.

M&L 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.

M&L for replacement of magnetic door gasket for water cooler upto 150 ltrs capacity, complete all as specified.

M&L for replacement of starting relay suitable for water cooler upto 150 ltrs capacity, complete all as specified

M&L for replacement of over load protector suitable for water cooler upto 150 ltrs capacity, complete all as specified.

Repair of voltage stablizer upto 5 KVA including replacement of minor spares and testing, complete all as specified. Note: (i) Major spares for repair will be measured and paid separately as supply only under relevant item) (ii) Spares not mentioned in this schedule but required at site for minor repairing the stablizer deemed to be included in the quoted rate.

Supply only circuit transformer suitable for voltage stablizer upto 2 KVA, complete all as specified.

Supply only circuit transformer suitable for voltage stablizer upto 3 KVA to 5 KVA, complete all as specified.

Supply only Digital volt meter 0-300V for voltage stablizer upto 5 KVA, complete all as specified.

Supply only indicator lamp LED type for voltage stablizer upto 5 KVA, complete all as specified.

Supply only terminal plate for voltage stablizer upto 5 KVA, complete all as specified.

Supply only fuse grip for voltage stablizer upto 5 KVA, complete all as specified.

S&F PCB of matching size for voltage stablizer upto 5 KVA in single phase, AC supply, complete all as specified.

S&F time delay relay for voltage stablizer upto 5 KVA, single phase, AC supply, complete all as specified.

S&F auto cut off switch relay suitable for voltage stablizer upto 5 KVA capacity confirming to existing make/model, complete all as specified.

S&F main transformer copper wound suitable for voltage stablizer of 0.5/1/2 KVA capacity, conforming to existing make/model, complete all as specified.

S&F main transformer copper wound suitable for voltage stablizer of 3/4/5 KVA capacity, conforming to existing makdmodel, complete all as specified.

S&F auto transformer copper wound suitable for voltage stablizer of 0.5/1/2 KVA capacity conforming to existing makermodel, complete all as specified.

S&F auto transformer copper wound suitable for voltage stablizer of 3/4/5 KVA capacity conforming to existing make/model, complete all as specified.

Material and labour for servicing/overhauling/greasing including de-scaling and cleaning of chocked pipe water circulating lines including service valves, condenser (heat Exchanger) to 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, 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.

Supply only of following items for central AC plant 3 x 7.5 TR capacity.

HP/ LP switch control

15 mm Copper pipe

Compressor as per existing make and size.

Refrigerent R-22

Repair to existing 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 for the following sizes :-

50 mm bore

40 mm bore

S&F split AC Outdoor unit 1.5 Ton capacity including condensing coil, relay and condensor duly matching with the existing outdoor unit, complete all as specified. Note: Compressor and gas shall be measured and paid separately under appropriate items.

S& F outer cover box including condensing coil, relay and grill for window AC 1.5 Ton as per existing make and size complete all as specified and as directed

Labour only to attend the complaint of unserviceable summer appliances ie window/split AC 1.5/2Ton repair the minor faults complete all as specified and as directed. (Note: spare Part and gas if required to repair the AC shall be measured and paid separately under respective items)

M&L for shifting of AC window type upto 1.5 ton with fixing arrangemnts accessories required for fixing in new location including transportation complete all as specified and as directed.

M&L for shifting of AC window type upto 2 ton with fixing arrangemnts accessories required for fixing in new location including transportation complete all as specified and as directed.

Serving of cooling tower of AC plant 2x7.5 ton capacity including greasing, oiling complete all as specified and directed.

Biswas Brothers Co

SRI SURAJIT SENGUPTA

M/S BHARAT CONSTRUCTION

RAJIV DEY SARKER

M S ALOK SAHA