SPL REPAIR AND OVERHAULING OF 02 X 180 TR CHILLER UNITS INCLUDING REPLACEMENT OF 01 X 180 TR CHILLER UNIT CONDENSER PUMP CHILLER PUMP AND HOT WATER PUMPS AND MISC REPAIR AND OTHER CONNECTED ITEMS AND REPAIR REPLACEMENT OF UNSV SPARES PART INCLUDING

Amount

PHASE-I (Srl item No 2.00 to 39.00)

Supply, Install, testing and commission of water cooled DX Chiller minimum 200 TR capacity on actual load condition unit shall consist of VFD type Screw Chiller with, Semi hermatic sealed screw type compressor suitiable for 407c/410A /134a refrigant. Shell and tube water cooled Condenser, Insulated Shell and tube Evaporator all as supplied by OEM as part of Chiller Package. The Unit mounted starter panel with double door construction shall be single Power point type complete with IP 55 Degree protection, consisting of Power disconnecting Switches with fuses/ MCCBs, VFD starters for chiller Motors and complete with Under/Over voltage and phase reversal protection, Single Phase Preventers, communication card with SCADA complitable with RS 485 port.

The unit shall be complete with Discharge Service valves to isolate refrigeration circuits, vibration Isolators to isolate chiller from building structure, pressure gauges expansion valves, solenoid valves, anti-freeze thermostats, refrigerant piping with Insulation for suction line, accessories of Safety valve, angle valve, liquid line indicator, water flow switch, Relief valve, Isolating valves and including MS stand to install the chiller units fabricated out of suitable size of structural steel sections etc. all as per OEM. All accessories housed in a single chasis design.

The noise level measured at a distance of 1 Mtr from the machine at anywhere in the plant room shall not exeed 75 dBA.

The chilled water type AC plant will be suitable for operation on 3 phase AC 50 Hz supply .

The Compressor shall have step less control from 100 to 25% of rated capacity.

The unit shall conform to ECBC norms as under:- The IPLV shall be calculated as per AHRI 550/590 & 551/591-latest edition

The unit shall be factory tested as per AHRI standard 550/590 & 551/591-latest edition.

The conditions for Condensor and Chiller are as under:-

Condenser: water in 85 Deg F water out 95 Deg F Fouling factor 0.00025 FPS

Chiller: CHW in 54 Deg F CHW out 44.5 Deg F Fouling factor 0.0001 FPS

The rate quoted for above package includes for

(i) Cabling from main panel to chiller unit shall be with XLPE insulated 1100 V fiire retardant armoured type copper cables form AC plant main panel to each chiller unit as recommended by OEM

(ii) 2 Nos copper earthing with Plate Electrode all as per IS including connecting to each Chiller frames with suitable 20 x 3 mm copper conductor strip - 1 Lot.

Note :- (i) Contractor will make necessary arragment for connecting existing chiller and condenser water pipe lines with new chiller plant 200 TR capacity with necessary welding ,cutting and extending existing chiller and condenser MS pipe lines, Flanges, Nut, Bolts, Gaskets etc. All rates for providing new condenser and chiller pipe lines, paiting of pipes as per exesting colour codes , nut, bolts and washers , gaskets and flanges inclusive in quated rate no extra will be admisssible in this account. (ii) After cutting and welding of condenser pipes & pipe supports,structures shall be painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and lettering with white paint including marking direction of flow. (iii) After cutting and welding of Chiller line for inlet and outlet of chiller unit will be duly insulated with expanded polystyrene(TF Quality) insulation 50 mm thick duly cladded with aluminium sheets of 0.5 mm thickness and properly clamped to pipe in 2 semi circular sections.

Design, Supply, installation, testing and commissioining of End suction Centrifugal monoblock pump set for condenser water circulation system.The pump shall be suitable for the given duty points. Each of 100 % Capacity (i) Water Quantity - 731 GPM (ii) Static Head - 25.4 M (iii) Speed - 2900 RPM (iv) Impeller - Bronze (v) Shaft - High Tensile steel SS 410 (vi) Pump/motor body- CI (vii) Seal - Mechanical (viii) Motor - Suitable HP, Sqirrel Cage TEFC, Class 'B' Insulation (ix) Starter - Star-Delta (x) Base frame - Fabricated MS as per OEM recommendations

Note: (i) The pumps should be provided with Anti Vibration Pads .

Note: (ii) contractor shall responsible for dismantling of existing any capacity centrifugal pump set with motor from foundation and deposite to MES store yard all as specified and directed and increase height of existing foundation upto 3 ft height with necessary TMT bars and RCC as per tech drawing submitted by contractor and approved by GE E/M BHDC . Contractor will responsible of necessery cutting and welding of MS pipes any size and capacity ( Suction and discharge side) , fixing of MS flanges,Gaskets, Nut, Bolts ,washers and connected accessories with necessary electrical connections , Luges and put centrifugal pump set in working condition . The quoted rates for the item deemed to be included all above.

All as per item No.3.00 here-in-before but Pumps for Chillers, Pump Sets duly insulated with expanded polystyrene(TF Quality) insulation 50 mm thick duly cladded with aluminium sheets of 0.5 mm thickness and properly clamped to pump in 2 semi circular sections. (i) Water Quantity - 535 GPM (ii) Static Head - 14.6 M Other Parameters same as per Condensor Pum

All as per item No.3.00 here-in-before but Pumps for Hot water , Pump Sets duly insulated with expanded polystyrene(TF Quality) insulation 50 mm thick duly cladded with aluminium sheets of 0.5 mm thickness and properly clamped to pump in 2 semi circular sections. (i) Water Quantity - 80.2 m3/Hr (ii) Static Head - 23.76 M Other Parameters same as per Condensor Pum

M & L for Dismantling of 2 x 90 TR (As actual Approx) ( Circuit "A" & "B") compressors of central AC plant for overhauling complete with connected copper pipe line and loading unloading mechanism & pump down the existing refrigerant in separate cylinder,disconnecting of electric motor of compressor ,refrigerant line , gauges pipe and carry out the over hauling of compressor , compressor model:- 30HXC190A Make:- CARRIER , Ser No HJ1118 including S & F in replacement of following parts:- a) springs b) aluminium washer packing c) screw of all types d) lath work e) cleaning chemical work f) oil supply solenoid valve g) changing of compressor oil h) oil pump sensor i) cleaning the suction filter j) oil filter k) suction & economizer screens l) oil separater m) oil pumps n) motor cooling valves o) motor temp sensors ( termisters 02 types) p) HP sensor with Probe q) LP sensor with Probe r) Replacing the defective parts compete system for safe guard the gas with self pumping down system or with total recovery unit system.

M & L for Dismantling of 2 x 90 TR (As actual Approx) ( Circuit "A" & "B") compressors of central AC plant for overhauling complete with connected copper pipe line and loading unloading mechanism & pump down the existing refrigerant in separate cylinder,disconnecting of electric motor of compressor ,refrigerant line , gauges pipe and carry out the over hauling of compressor , compressor model:- 30HXC190A Make:- CARRIER , Ser No HJ1116 including S & F in replacement of following parts:- a) springs b) aluminium washer packing c) screw of all types d) lath work e) cleaning chemical work f) oil supply solenoid valve g) changing of compressor oil h) oil pump sensor i) cleaning the suction filter j) oil filter k) suction & economizer screens l) oil separater m) oil pumps n) motor cooling valves o) motor temp sensors ( termisters 02 types) p) HP sensor with Probe q) LP sensor with Probe r) Replacing the defective parts compete system for safe guard the gas with self pumping down system or with total recovery unit system.

Note for item ser No 6.00 & 7.00:- The above items considered in overhauling sch is for basic indication of requirement of overhauling and contractor shall visit the site before quoting tender. The quoted rate is inclusive of replacement of all defective major & minor spare parts required for overall functioning of chiller plant as per OEM recommendation. If during overhauling /after opening of compressor at OEM premises if OEM will insist for replacement of Main screws assembly of compressor or any other major parts contractor will bound to replace the same and no extra payment in this regards paid to contractor. Rate for the same is inclusive in quoted rate.

The job include the following work:- (i) Labour charge for removing the defective compressor from system. (ii) Loading and unloading, to & from tranportation of compressor from site to work shop & back to site. (iii) Dismantling of defective screw compressor at workshop including removing the termination lead connections, taking out of all parts,replacements of defectiveparts & assembling of rewinginf of startor & testing the same. (iv) pisitioning the duly repaired compressor on the base of chiller, Flushing the system with Nitrogen, pressure testing for leckage detection. (v) Charging of nitrogen Gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure / leakage up to 72 Hrs after replacement of compressor & rectification of leakage if any. (vi) Vaccumisation of complete system for minimum 2 days for dropping of vacuum pressure & rectification of leakage if any. (vii) Charging of complete chiller unit system with R - 134A gas for maintaining the system pressure up to HP - 175 psi & LP - 65 psi. (viii) Measure the inlet and outdoor temperature of Chiller unit for performance checking and maintaining temp. as per require site. (ix) Replacement of control wiring and sensor if any found faulty during testing and commissioing and recommneded by OEM for smooth operation of chillers . Rates for the same treated as inclusive inclusive in quoated rate. (ix) Testing & commissioning of complete chiller unit as per OEM recommendation.

Note 01: Contractor should produce MOU of agreement between OEM (carrier) and contractor firm from Whom contractor should carry out the overhauling of compressor in tech Cover failing which his Bid will be rejected in technical evaluation and his financial bid will not opened. After due varification from OEM compressor should be handed over to contractor for overhauling. Note 02: Contractor should arrange necessary T & P and manpower to take out unserviceable part of plant and transporting the same to worshop for overhauling and re fixing the same at existing position after overhauling all as specified and directed by engineer in charge. The Quoted rates inclusive all and no extra co host admissible in this regard Note 03 : contractor should arrange necessary vehicle from factory inspection by AGE E/M and JE E/M for this dismentalized AC parts and after completing of overhauling. So for two times during complete duration of compressor overhauling at OEM workshop, vehicle will arrange and rate of that inclusive in quoted rate. Note 04: Contractor should make necessary arrangement of testing of the complete set 100% load condition and testing can be carried out 06 hours period.Gas, Compressor oil and other required if any for making it RUN will be responsibility of contractor and rate quoted by contract contractor will be inclusive of all.

M&L for descaling of condenser tube of central AC plant of cap 180TR ( Circuit "A" & "B", 2 x 90 TR) by disconnecting the condenser and chiller water supply pipe line and connected accessories from the system , Open front and back cover of condenser and cleaning condenser copper tubes by decaling pump of suitable capacity including cleaning condenser tube by nylon brush & MS rod of suitable size as per OEM recommendation using decaling solution , replacement of rubber joints and unserviceable nut bolts ( Note :- Arrangement of necessary trained Manpower & T&P such as pump, tube , decaling solution shall be arranged by contractor and rate of the same is inclusive in quoted rate.

Dismantling of existing Chiller unit complete from basement of CGDA complex with compressor, Chiller shell , Condenser shell, Control panel etc of 180 TR capacity, Make Carrier , Model No 30HXC190A from its foundation with dismatnling of connected electrical and water connections and transported to MES Store yard in side CGDA complex with in 2 KM all as specified and directed by Engg-in-charge . The job include the following work:- (i) Labour charge for removing Chiller unit complete from foundation. (ii) Loading and unloading, including transportation of compressor from basement of CGDA complex to MES Store yard in side CGDA complex with in 2 KM all as specified and directed by Engg-in-charge (iii) Contractor should visit site before quoting of rates because being a basement area and space constent specilist manpower and equipments required for chiller dismantling and loding unloading work.Quated rates inclusive of all manpower, material and T & P for carry out above said work. No extra will admisible in this reagrds.

Dismantling of existing Chiller unit complete from basement of CGDA complex with compressor, Chiller shell , Condenser shell, Control panel etc of 180 TR capacity, Make Carrier , Model No 30HXC190A from its foundation with dismatnling of connected electrical and water connections and put it on one side for increase of height of foundationupto 3 ft height as per tech drawing submitted by contractor with recommendation of OEM and approved by accepting officer/ GE E/M BHDC . After increase of height of foundation chiller unit shall put on new foundation with utilization of Manpower, T & P etc .Contractor will responsible of necessary cutting and welding of MS pipes any size and capacity ( Suction and discharge side) for chiller and condenser after increase/ decrease its length as per site requirement and connect it to chiller unit, After fixing of MS pipes, flanges, Gaskets, Nut, Bolts,washers and connected accessories with necessary electrical connections , Lugs and put chiller unit The job include the following work:- (i) Labour charge for removing Chiller unit complete from foundation and put same chiller on newly constructed foundation.

(iii) Rifixing of chiller on foundation after increasing of height with Necessery cutting and welding of MS pipes any size and capacity ( Suction and discharge side for chiller and condenser) , fixing of MS flanges,Gaskets, Nut, Bolts ,washers and connected accessories with necessary electrical connections , Luges and put chiller unit complete set in working condition (iv) After cutting and welding of condenser pipes & pipe supports,structures shall be painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and lettering with white paint including marking direction of flow. (v) After cutting and welding of Chiller line for inlet and outlet of chiller unit will be duly insulated with expanded polystyrene(TF Quality) insulation 50 mm thick duly cladded with aluminium sheets of 0.5 mm thickness and properly clamped to pump in 2 semi circular sections. (vi)(iii) Contractor should visit site before quoting of rates because being a basement area and space constent specilist manpower and equipments required for chiller dismantling and loding unloading work. Quated rates inclusive of all manpower, material and T & P for carry out above said work. No extra will admisible in this reagrds.

Supply, laying, fixing, testing and commissioning in repair of chilled water piping Heavy class all along the wall/roof(with necessary fittings,clamps and vibration isolators but excluding valves/strainers/pr gauges) adequately supported on rigid supports and duly insulated with pipe sections of Fire retardent quality expanded polystyrene moulded pipe section of density 20 Kg per cum and thickness 50mm, applied after a thick coat of cold setting adhesive(CRPX compound) wrapping with a layer of 120 gm/sqm polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) and duly cladded with aluminium sheets of 26 G thickness and properly clamped in 2 semi circular sections. and repairing of damage to the buildings if any etc as per specifications and as required complete in all respects..The size of pipes shall be as under :-

125 mm bore Pipe (50 mm thick insulation)

Note: (i) The Pipe of size 150 mm & below shall be M.S heavy class as per IS-1239 and pipe sizes above 150 mm shall be welded black steel pipes heavy class as per IS 3589,from minimum 6.33 mm thick M.S sheet for pipes up to 350 mm dia (ii) The quoted rates for these items are deemed to be included for testing of pipe lines with hydraulic test pressure at 1.5 times the maximum operating pressure but not less than 7kg/sqcm for the period of not less than 24 hrs. If leakage is found, then same shall be rectified by the contractor to entire satisfaction of Engineer-in-Chagre.

Supply, fixing, testing and commissioning in repair in position the following valves, strainers etc, in chilled water line complete with flanges etc, and duly insulated with uniformly cut pieces from slabs of expanded polysterene, covered with 500 G polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) with 50mm overlap and 26 G Aluminium cladding. Care shall be taken to ensure that no damage would be caused to the insulation when valves, strainers are in operation. The Valves shall be as under:-

Butter Fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 1.6 (16 bar) Pressure rating for chilled water circulation 125 mm bore

Non return valve with dual plate of CI body,Stainless steel plates,vulcanised NBR seal flanged ends and PN 1.6(16 bar) Pressure rating for chilled water circulation, 125 mm bore

Balancing valves of size 125 mm bore having casst iron flanged body , stainless steel stem and sealig disc EPDM stem and disc sealing , pressure test cocks complete with companion flanges, nuts , bolts , gaskets and probes for pressure measurement complete with needle valves and dial type guage for pressure readout etc duly insulatted as specifed.

Supply & installation and testing of bourdon type Pressure Gauge complete with fittings , isolation valve etc. complete as reqd 100 mm dial for chilled water pipe.

Supply & installation of Pressure Gauge plug complete with fittings , isolation valve etc. complete as reqd.(with out pressure gauge)

Supply, installation and testing of Thermometer gauge with thermowell complete with fitting etc. as reqd.

Supply & installation and testing of auto air vent valve with ball valve size 32 mm dia

Supply & installation of purging valve complete with fittings viz nipple, elbow,tee, bend,socket etc size 32 mm

Supply, install, test and commission in repair of PVC expansion water tank for chilled water make up water 500 ltrs. The Tank duly insulated with 50 mm thick fire retarding quality expanded polysterene of density 20 Kg/Cum and finished with sand cement plaster over chicken wire mesh and painted with 2 coats of primer and 2 coats of synthetic enamel paint of approved shade. This Expansion water tank shall be complete with float valve, overflow, drain and make up water connection. The tank shall be connected to suction side of pump with all fittings including necessary piping duly insulated but with out any valve. The department will show make up connection(within 5 Mtr of Expansion Tank. Connection of Expansion tank with this make up water connection is contractor's responsibility

CONDENSER SECTION

Design, supply, laying, fixing, testing and commissioning in repair of condenser water piping with MS heavy class as per IS-1239, pipe complete with all accessories such as bends, elbows, flanges, nut-bolts, clamps, vibration isolators (but excluding valves, strainers and pressure gauges etc). The piping shall be laid overhead in plant and underground outside the plant room as per site conditions Condenser pipes to be laid with in the plant, pipes inside plant room resting on half round wooden blocks, resting on GI structures all as specified and directed by Engg-in-charge.

200 mm bore pipe

Note: All pipes, pipe supports,structures shall be painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and lettering with white paint including marking direction of flow.

Supply, fixing, testing and commissioning in position following valves, strainers and gauges.

Butter fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 1.6 (16 bar) Pressure rating for 200 mm dia pipe including connecting pieces for fixing to 150 mm dia pipe

Non return valve with dual plate of CI body,Stainless steel plates,vulcanised NBR seal flanged ends and PN 1.6(16 bar) Pressure rating for water circulation, 200 mm dia pipe including connecting pieces for fixing to 200 mm dia pipe

Supply & installation and testing of bourdon type pressure gauges complete with fittings , isolation valve etc. complete as reqd 100 mm dial for condensed water pump.

Supply & installation of Pressure Gauge plug complete with fittings , isolation valve etc. complete as reqd.(without pressure gauge)

Supply, installation and testing of Thermometer gauge with thermowell complete with fitting etc. as reqd.

Supply & installation of purging valve complete with fittings viz nipple, elbow, tee, bend, socket etc size 32 mm

Balancing valves of size 200 mm bore having casst iron flanged body , stainless steel stem and sealig disc EPDM stem and disc sealing , pressure test cocks complete with companion flanges, nuts , bolts , gaskets and probes for pressure measurement complete with needle valves and dial type guage for pressure readout etc duly insulated as specifed.

Servicing & Clenaing of LT panel /Control panel of Screw compressor 180 TR capacity, Make Carrier , Model No 30HXC190A with Electrical equipment cleaner /compound and checking tightness of electrical and control wiring with proper lugging and made it functional with chekcing of interlocking , tripping system of water, Temp and HP & LP sensor all as specified and directed by Engg-in-charge.

Supply and filling Refrigerant 134-A type complete all as specified and as directed.

Supply and fix following equipments/ items for Screw compressor 180 TR capacity, Make Carrier , Model No 30HXC190A all as specified and directed by Engg-in-charge

Internal Oil filter

Synthetic oil ( 1 Pail = 18.9 Ltr)

Drier core

External Oil filter

S&F in repair 2 pole front mounted add on Auxiliary contact block type MNX -A2 for power contactor, 1 NO & 1 NC contact including connecting complete all as specified and as directed.

S&F in repair 1 pole front mounted add on Auxiliary contact block , 2A for power contactor, 1 NO contact including connecting complete all as specified and as directed.

S&F in repair 1 pole front mounted add on Auxiliary contact block,2A for power contactor, 1 NC contact including connecting complete all as specified and as directed..

Supply and fix in repair Single phase preventer relay for chiller and condener pumps complete all as specified and as directed.

S&F in repair 3 pole power contactor 415 V, type MNX 40 , coil voltage 415 V including connecting complete.

S&F in repair 3 pole power contactor 415 V, type MNX 32 , coil voltage 415 V including connecting complete.

S&F in repair 3 pole power contactor 415 V, type MNX 18 , coil voltage 415 V including connecting complete.

S&F in repair timer Electronic type, starting time range 3-60 sec rated voltage :- 200-240V, 50HZ including connecting complete.Make:- SIEMENS Cat No :- 3RP15761NP308K or L&T / BHARATIA CUTTLER HAMMER / C&S

S&F in repair over load protection relay current range 20-32 Amp including connecting complete.

S&F in repair over load protection relay current range 14-21 Amp including connecting complete.

Supply and fix in repair 10 sqmm single core FRLS wire 1100 volt grade with connected lugs and thimbles connecting to contactor and terminal blocks etc all as specified and directed by Enng -in-charge

Supply and fix in repair 1.5 sqmm single core FRLS wire 1100 volt grade with connected lugs and thimbles connecting to contactor and terminal blocks etc all as specified and directed by Enng -in-charge

Demolation of RCC of any description and in any position not otherwise specifically provided complete all as specified and diretcted.

M&L for reinforced cement concrete (nominal mix) type Type B1 1:2:4 (20 mm graded crushed stone aggregate) as basement slabs, foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc. under-reamed piles and mass concrete complete all as specified and as directed.

M&L for TMT bars 10 mm dia and over cut to length, bent to shape required including cranking bending spirally for fencing , hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete.

Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter

M & L for rendering 5 mm thick in cement mortar 1:4 on concrete surface as in external face including finishing even and smooth without using extra cement completeall as specified and as directed.

Dismantling of Stone slabs and tiles of any description or thickness laid bedded and pointed in any mortar in floor, aprons etc.

M & L for machine cut kota stone slab flooring 20-25mm thick over cement screed base laid and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing over and including 15 mm thick screedbed in cement mortar 1:6 complete all as specified.

S&F Rolled mild steel in: Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) Fe-310-W(GdeE-250)quality

M&L for two coats of synthetic enamel paint on new steel surfaces of any description exceeding 10 cm in width or girth including preparation over a coat of red oxide Zinc chrome primer.

PHASE-II (Srl item No 41.00)

Comprehensive/ routine maintenance of Two Nos Chiller unit through OEM ,Chiller Model:- 30HXC190A Make:- CARRIER , Ser No HJ1118 & HJ1116 AC plant for 11 months after satisfactory completion of overhauling work through OEM complete all as specified and directed by Engg -in-charge

Note :- (i) Water and Electric required for operation of plant shall be provided free of cost by the Department. (ii) After handing over of plant to contractor . Contractor shall fully responsible for satifactory performnace of plant paramenters during complete duration of contract period. During Comphensive maintance period any type of fault ( Major & Minor ) occurs in chiller plant contractor shall attending and rectify it without cost . No payment is admisible in this account to contractor. (iii) Contractor shall procure and provide all day to day consumable items such as refrigent gas and grease, sensors, electrical and electronic cards, control and power wirings, lugs sundry items etc reqired for operation of chiller AC plant shall be provided by contractor at his own cost . The quoated rate also include the periodical descleaning of condenser coil , chemical clenaing of cooling tower fins and filters as per OEM recommendations and direction of GE during the period of defect liablity . The cost of the same shall be deemed included in the unit rates quoted by the contractor. (iv) Contractor should produce MOU of agreement between OEM (carrier) and contractor firm from Whom contractor should carry out the comprehensive maintenance of compressor for 11 months time after completion of overhauling work. The After due varification from OEM chiller plant shall be handed over to contractor for comprehensive maintenace for 11 months.

(v) In case contractor fails to attend fault in 24 hr after intimation by department , he shall be liable to bear the recovery @ Rs 1500 /- per Hr and department shall rectify the fault through other agency on contractor risk and cost and amount should be recovered from contractor dues. (vi) Tradesman will take all preventive measures as per code of practice of EI Rules and the Department will not be responsible for any type of untowards incident.

(vii) Contractors shall provide all kind hand tools / tester as test lamp without any extra cost as per OEM recommendations.

M/S N.K BUILDERS

Leo Air and Power Solution pvt Ltd.

SANJEEV ENTERPRISES