| 1 | 1 | Repair/maintenance of complete Central AC Plant of Cap 3X146 TR Make - Carrier and Model-3HXC155A by qualified refrigerant mechanic cum electrician by testing of chiller units, condensors,compressors ,all valves, overload release valves , safety valves , water flow switches ,sensors ,Microprocessor display plates settings , condenser pumps, chiller pumps , cooling tower pumps and motors and electrical panel , electrical control panel , all AHU electrical panel by checking of required water flow, chilled water temperature , checking of refrigerant gas and testing and find out/detect the faults by setting/adjustment and rectify the defects in situ by using required spares and repair jobs and cleaning / normal maintenance to the Plant complete to make the Plant functional in all respect and confirm the desired coolings temperatures in the air conditioned rooms and buildings complete all as directed by Engineer-in-charge. Note:- Below Down\n | | 50 | Each job |
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| 2 | 1.01 | Note: \n(a) Spare parts and repair jobs of pumps motors are measured separately under relevant items.\n(b) Docket book must be maintained by the contractor for the jobs carried out during breakdowns attending complaints and rectification of faults.\n(b) In this job only breakdown faults will be measured as a job. and Minor and other major repairs and periodical and preventive maintenance will be not considered in this job it will be measured in the respective repair jobs/refixing of spares items sub part. \n(c)The complaint lodged regarding unserviceability of AC plant or non maintaining of desired temperature, must be attended by the qualified technician within 1 hour of complaint lodged and must be rectified on same day and desired temperature, must be achieved. A penalty of 1000 per day will be deducted from the contractor dues if complaints not attended or not rectified. | | | |
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| 3 | 2 | Taking down electric motor from condenser pump 25 HP /Chiller Pump 20 HP, dismantling and opening of motor 3 phase 440 Volt 50 HZ, for rewinding and overhauling, taking out old burnt copper winding wires cleaning of slots, rewinding of motor with super enamelled coper wire of suiltable size or guage including insulation material applying varnish and drying properly at slow temprature, reassembling the motor after proper greasing of ball bearing, replacing nut bolts with washer and refixing of new connection plate and lugs of cables in the motor complete all as specified and directed. | | 6 | Each Job |
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| 4 | 3 | Taking down electric motor from AHU Blower ,dismantling and opening of motor 3 phase 440 Volt 50 HZ, from the plateform cap ranges from 2 HP to 5 HP for rewinding and overhauling, taking out old burnt copper winding wires cleaning of slots, rewinding of motor with super enamelled coper wire of suiltable size or guage including insulation material applying varnish and drying properly at slow temprature, reassembling the motor shafts and windings after proper greasing of ball bearing, replacing nut bolts with washer and refixing the same at existing platform complete all as specified and directed.\nNote ( Major Spare parts will be measured and paid seaparately under following item) | | 3 | Each Job |
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| 5 | 4 | ditto- all as above but of capacity 7.5 HP to 12.5 HP | | 3 | Each Job |
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| 6 | 5 | Supply only following items required under relevant items | | | |
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| 7 | 5.01 | Bearing of existing sizes as per requirement at site Make SKF/NBC | | 24 | Each |
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| 8 | 5.02 | Fan Blades of existing sizes | | 12 | Each |
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| 9 | 5.03 | Connection Plate Box for three phase connection including lugs complete | | 12 | Each |
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| 10 | 6 | Supply and fix in repair 3 pole contactors of following ranges including suitable auxillary contact A1/A2 and side mounting add on block complete all as specified and directed.\nMake L&T | | | |
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| 11 | 6.01 | MNX-18 | | 10 | Each |
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| 12 | 6.02 | MNX-25 | | 30 | Each |
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| 13 | 6.03 | MNX-32 | | 30 | Each |
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| 14 | 6.04 | MNX-40 | | 5 | Each |
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| 15 | 7 | Supply and Fixing in replacement Side mounting add-on block with Auxiliary contact 1No+1Nc suitable for MNX 9 to 40 contractor \nMake L&T. | | 30 | Each |
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| 16 | 8 | Supply and Fixing in replacement Single phase preventor in LT panels for Pump and motors\nMake L&T/ Minilec. | | 10 | Each |
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| 17 | 9 | Supply and fix in replacement of connector in the LT panel for connection of cables and wires as per existing and as per requirement on site. | | 80 | Each |
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| 18 | 10 | Supply and fix bakelite connector strip for current rating more than 30 Amp for connection of cables and wiring in three phase circuits in the LT panel of AHUs for connection of cables and wires as per requirement on site. | | 20 | Each |
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| 19 | 11 | Supply and fix O/L relay 28 to 63 Amps 3 pole, directly operated. All as specified and as directed Make- L&T/BCH. | | 25 | Each |
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| 20 | 12 | Supply and fix protecting relay with UL rating 6A/277 VAC and 8A/28 VDCwith cat part NO as per existing RXM4AB1P7 230 Volt 50 Hz 6/250 VAC as per IEC61810-1 fit for RXZE2 series socket current limited to rating of relay or socket whichever is less all as specified and as directed Make- L&T/BCH/Schneider. | | 10 | Each |
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| 21 | 13 | Supply and fix in repair fuse assembly in the LT panel of Central AC plants as per existing make and sizes Make- L&T/BCH/Schneider | | 10 | Each |
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| 22 | 14 | Supply and fix in repair ET timer in the LT panel of Central AC plants as per existing make and sizes Make- L&T/BCH. | | 10 | Each |
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| 23 | 15 | Supply and fix in repair push start stop button green/Red colour complete assembly including connector in the electric control panel of central AC Plant | | 50 | Each |
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| 24 | 16 | Supply and fix in repair LED indicating lamp assembly of green/Red/yellow/blue colour in the LT Panel ,AHU Electric Panel and electric control panel of central AC Plant as per requirements at sites.. | | 100 | Each |
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| 25 | 17 | Supply and fix in repair RYB selector switch in the electric panel of central AC Plant | | 30 | Each |
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| 26 | 18 | Supply and fix in repair Toggle switch SPST 10 Amps Make KAYCEEL ,L&T or equivalent complete assembly in the AHU electric panel of central AC Plant | | 10 | Each |
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| 27 | 19 | Supply and fixing in replacement of 3 phase Digital Volts Meter 0-500 Volts AC 0-5000 Amps 3½ Digit Resolution High Accuracy, Guaranteed to Class 1.0 / Class 0.5 Unique Feature,TRUE RMS meters Guaranteed performance even under extremely poor power quality conditions Site selectable CT ratios in Ammeter Make - HPL/L&T/Trinity/Neptune complete all as specified and directed. | | 30 | Each |
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| 28 | 20 | Supply and fixing in replacement of 3 phase Digital Amp Meter Wide range, AC / 0-5000 Amps 3½ Digit Resolution High Accuracy, Guaranteed to Class 1.0 / Class 0.5 Unique Feature,TRUE RMS meters Guaranteed performance even under extremely poor power quality conditions Site selectable CT ratios in Ammeter Make - HPL/L&T/Trinity/Neptune complete all as specified and directed. | | 30 | Each |
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| 29 | 21 | Supply and fixing in repair Digital power factor Meter Wide range, 3½ Digit Resolution High Accuracy, Guaranteed to Class 1.0 / Class 0.5 Unique Feature,TRUE RMS meters Guaranteed performance even under extremely poor power quality conditions Site selectable CT ratios in Ammeter Make - HPL/L&T/Trinity/Neptune | | 1 | Each |
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| 30 | 22 | Supply and fixing in replacement of Temperature control meter in the AHU panels with its complete assembly and sensors of high Resolution & High Accuracy of temperature complete all as specified and as directed. | | 15 | Each |
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| 31 | 23 | S&F in repair MCB four pole 63 Amp complete all as specified and directed.( Make L&T/Legrand/C&S/HPL) | | 15 | Each |
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| 32 | 24 | S&F in repair MCB four pole 32 Amp all as specified and directed by Engr-in-Charge. Make L&T/Legrand/C&S | | 10 | Each |
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| 33 | 25 | Supply and fix in repair MCCB 100 Amps 4 pole 415 V 50Hz breaking capacity 25 KA confirms to IS/IEC complete all as specified and directed. ( Make L&T/Legrand/C&S/HPL) | | 2 | Each |
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| 34 | 26 | M & L for servicing of LT distribution panels of AHU Of MH of Central AC plant complete cleaning of panel including CTs, and bus bar Chamber welding of hinges incl replacement of U/S internal wiring with copper wiring (as per existing size wire )including replacement of coroded thimble/lugs and connector as per existing size/ type complete all as specified and directed.\nNote :-(Cost of wires,lugs and thimbles for internal wiring shall be included in the quoted rates and Other major spare part shall be measured and paid separately.) | | 10 | Each job |
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| 35 | 27 | M & L for servicing of main LT distribution panels of Central AC plant complete cleaning of panel including CTs, and bus bar Chamber welding of hinges incl replacement of U/S internal wiring with copper wiring (as per existing size wire )including replacement of coroded thimble/lugs and connector, replacement of unserviceable volt/amp meters etc as per existing size/ type complete all as specified and directed.\nNote :-(Cost of wires,lugs and thimbles for internal wiring shall be included in the quoted rates and Other major spare part shall be measured and paid separately.) | | 1 | Each job |
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| 36 | 28 | M & L for servicing of Electrical control panel of Central AC plant ,complete cleaning of panel including CTs, relays switch, push buttons for ON OFF controls ,indicating lamps of various colours and bus bar Chamber welding of hinges incl replacement of U/S internal wiring with copper wiring (as per existing size wire )including replacement of coroded thimble/lugs and connector, replacement of Unserviceable indicationg lamps and push buttons as per existing size/ type complete all as specified and directed.\nNote :-(Cost of wires,lugs and thimbles for internal wiring shall be included in the quoted rates and Other major spare part shall be measured and paid separately.) | | 1 | Each job |
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| 37 | 29 | M&L for dismantling/opening of safety valves in the condenser of central AC plant of existing size and make (i.e pressure rating 1 MPa and 40-105 deg celcius of temperature ranges and of sizes 3/4\" ) for Carrier Make Central AC Plant the AHU duly recommended by the OEM i.e Carrier complete all as specified and directed. | | 4 | Each |
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| 38 | 30 | M&L for dismantling/opening of Filter drier Model XW12GB008E of size 1- 1/8\" ODF SOLDER with Bloc/Cores 02 Pressure Max 500PSIG/3.5M Pa complete in the chiller unit of central AC plant of existing size and make for Carrier Make Central AC Plant 146 TR duly recommended by the OEM i.e Carrier complete all as specified and directed. | | 6 | Each |
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| 39 | 31 | Supply and fixing in replacement of solenoid valve Sensor cum control switch assembly including push button complete as per existing for Carrier Make and Model-3HXC155A Central AC Plant installed in the Chiller unit for restart of Chiller/compressor after resetting of Alarming condition complete all as specified and directed. | | 5 | Each |
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| 40 | 32 | Supply and fixing in replacement of water flow switch assembly complete for flow control of chilled water and condensate water pipelines of liquid temp range 1- 100 deg celcius and max pressure 10 Bar complete as per existing after disconnection and dismantling of electrical connection s for Carrier Make and Model-3HXC155A Central AC Plant complete all as specified and directed. | | 6 | Each |
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| 41 | 33 | Repair of Microprocessor control display card including replacement/repair of unserviceable push buttons and repair and commisioning testing by setting of programming in the microprocessor control assembly and resetting of control of cut out temperatures of Chilled waters and condensor water by qualified and experienced refrigerant mechanic complete as per existing for Carrier Make and Model-3HXC155A Central AC Plant installed in the Chiller unit complete all as specified and directed. | | 3 | Each Job |
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| 42 | 34 | Repair of lekage of gas/oil from compressor by qualified and experienced refrigerant mechanic by overhauling and disconnection and dismantling and detecting the lekage of gas and compressor oil by checking of oil sight glass by using desired measuring instruments and repair in situ by using dead nuts gasket & washers as required to stop the leakages and cleaning of compressor outer surface and checking and tightening of all electrical circuits and gas pipelines and all connecting valves as per existing for Carrier Make and Model-3HXC155A Central AC Plant complete all as specified and directed. | | 5 | Each Job |
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| 43 | 35 | M&L for dismantling/opening air filter, nut bolts, tray for AHU general servicing including descaling and cleaning of cooling coil from both sides with coil cleaner solution and brushing suitable for the AHU tubing,correcting tension in belts, checking and correcting allingment of shaft pulley of motor and blower motor, washing condenser and filter of AHU with blower of capacity 2000 to 12000 CFM complete all as specified and directed. | | 15 | Each Job |
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| 44 | 36 | M&L for GI Pipelines of dia 25mm including fittings and clamps laying and fixing on roof and walls and floors by dismantling of old choked unserviceable pipelines and laying of new as per existing including nitril vinyl foam insulation fixed around the complete pipelines covered with pvc packing tapes required for drain out of chilled water from the Air handling unit condensate water tray by making good of disturbed surfaces complete all as specified and directed. | | 100 | RM |
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| 45 | 37 | M&L for opening/dismantling of centrifugal pump sets and Motors complete including dismantling of existing Chilled water/condenser water pipe lines and prepare of PCC foundation including refixing of Iron frames as per existing dimension by welding and cement and concerete works as required and reassembling/refixing of motor and pumps connection after complete drying and setting of Foundation frames by using required nut bolts and clamps and anti vibrating Pad as required complete and confirms that no vibration in the motor and pumps sets while running all as specified and as directed by Eng-in-Charge . Note: ( Spare parts like nut bolts , clamps, anti vibrating Pad etc and PCC and cement works to be included in the quoted rate) | | 6 | Each Job |
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| 46 | 38 | M&L for opening/dismantling monoblock pump set of chilled water expansion tank of OTs cap 1 HP and complete overhauling rewinding including oiling, greasing and reassembling after replacing unserviceable parts and testing all as directed by Eng-in-Charge . | | 1 | Each Job |
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| 47 | 39 | M&L for opening/dismantling centrifugal pump set Condenser pump 25 HP/chiller pump 20 HP and complete overhauling including oiling, greassing of ball bearing, reassembling after replacing unserviceable parts and testing all as directed by Eng-in-Charge . Note ( Major Spare parts will be measured and paid seaparately under following item) | | 6 | Each Job |
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| 48 | 40 | Supply only following items required under relevant items | | | |
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| 49 | 40.01 | Impeller as per existing size | | 4 | Each |
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| 50 | 40.02 | GM Bush | | 6 | Each |
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| 51 | 40.03 | Steel Studs | | 24 | Each |
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| 52 | 40.04 | Wear rings of existing sizes | | 12 | Each |
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| 53 | 40.05 | Shaft seal | | 12 | Each |
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| 54 | 40.06 | Shaft sleeves | | 12 | Each |
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| 55 | 40.07 | Coupling nut bolts and bush complete | | 50 | Each |
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| 56 | 40.08 | Coupling as per existing size including shaft key and lathe work | | 10 | Each |
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| 57 | 40.09 | Shaft complete including lathe work as per existing sizes for Becon make Pumps all as specified and directed | | 3 | Each |
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| 58 | 40.1 | Cast iron flangs (Halves) | | 24 | Each |
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| 59 | 40.11 | Bearing 6207,6309,6211,6311 as per requirement at site Make SKF/NBC | | 24 | Each |
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| 60 | 40.12 | Gland Box | | 6 | Each |
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| 61 | 40.13 | Gland dori packet as per existing size | | 10 | Each |
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| 62 | 41 | Supply and fix in replacement of Butterfly valves of following size of Chiller pipe lines of AHUs and condenser pipelines as per existing sizes of Central AC Plant MH including packing and making good the chiller pipelines insulation complete all as specified and directed.\nMake-Zoloto/Kirlosker\n\n | | | |
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| 63 | 41.01 | 125 mm \n\n | | 20 | Each |
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| 64 | 41.02 | 150 mm\n | | 10 | Each |
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| 65 | 42 | M&L for descaling of condenser unit by descaling agent including opening and refixing in original postion all as required at site for shell and tube condenser unit of central AC Plant by using proper descaling solution like SR 601 by brushing and cleaning by pressure water including replacement of gas kit of both ends of condensor all as specified and directed for 1x146 TR capacity plant . | | 3 | Each Job |
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| 66 | 43 | Material & labour for Repair and servicing of FRP cooling tower of cap 175 TR of Central AC Plant of MH by Dismantling of cooling tower for removing of top cover and replacement of PVC Fills , and cleaning of Choked nozzle,PVC loavers replacement of rusted nuts, bolts with washers etc and cleaning bottom tank to remove mud and dust and oiling of motor and checking of serviceablity of motor complete all as directed by Engineer-in-charge.(Note:- Others major spare parts shall be measured separately) | | 3 | Each job |
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| 67 | 44 | M & L for replacement of old PVC FILLS by new of suitable length and sizes (each length lXBXH= 2'X1'X8\") and fixing and spreading and laying complete in the cooling tower uniformly such that the water falls down uniformly in through the complete cooling towers of capacity 175 TR. Note :-(Cost of nut bolts ,washers and other minor spares shall be included in the quoted rates ) | | 360 | Each |
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| 68 | 45 | M & L for replacement of old unserviceable PVC Spray Nozzle as per existing sizes of the Cooling tower by new of suitable length and sizes and fixing complete in the cooling tower such that the water falls down uniformly through the complete cooling towers of capacity 175 TR. Note :-(Cost of nut bolts ,washers and other minor spares shall be included in the quoted rates ) | | 24 | Each |
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| 69 | 46 | Supply and fixing PVC float valve with spindle and ball cock complete for the cooling tower and water storage tank of size 20/25 mm dia of central AC Plant\nMake- Prayag/ISI | | 5 | Each |
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| 70 | 47 | M&L for Chilled water pipeline insulation with 50 mm thick EPS pipe section TF quality covered with chicken wire mesh and cladded with Aluminium Sheet 26 SWG complete all as specified and as directed | | 20 | Sqm |
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| 71 | 48 | M&L for duct insulation with resin bonded fibre glass wool roll of density 24 Kg /Cum with factory laminated aluminium vapour barrier thickness of insulation as specified and finally covered with 0.5 mm perforated aluminium sheet. including the following (a) M&L for cleaning the duct surface ( to be insulated ) by scraping care fully with wire brush etc to make the surface completely free of mildscale dirt dust grease and other foreign material taking special care so that all duct joints are sealed against any leakage, (b) M&L for applying rubber base adhesive CPRX compound (c ) M&L for scalling of all longitudinal joints and circular over laps with and alluminium foil tape 50 mm wide to make the insulation leakproof ,(d) M&L for securing the insulation with and including mechinically fastened nylon/ steel straps of size 12 mm /50 mm at maximum intervals of 1.2 mtr, complete all as specified as directed by Engr-in charge, | | 20 | Sqm |
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| 72 | 49 | M&L for repair of AHU Duct including replacement of canvas clothing complete as per existing sizes including rivetting joints and thermal insulation including air tight packing of ducts by using rubber glands complete all as specified as directed by Engr-in charge, | | 10 | Each Job |
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| 73 | 50 | Servicing and cleaning of suction and discharge AHU Ducts grills by dismantling and opening of screws and bolts and cleaning with water , soap and detergent so that the dust must be cleared from the grills and reaasembling and fixing complete all as specified and as directed | | 15 | Each Job |
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| 74 | 51 | Taking down CT fan electric motor from Cooling tower, dismantling and opening of motor 3 phase 440 Volt 50 HZ, cap 12.5 HP for rewinding and overhauling, taking out old burnt copper winding wires cleaning of slots, rewinding of motor with super enamelled coper wire of suiltable size or guage including insulation material applying varnish and drying properly at slow temprature, reassembling the motor after proper greasing of ball bearing, replacing nut bolts with washer and refixing the same at existing platform complete all as specified and directed. | | 2 | Each Job |
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| 75 | 52 | Material & labour for Cast iron Y Strainer including flanged and gaskets complete including testing complete for Condenser pipe lines of dia 150 mm of Central AC Plant cap 146 TR by Dismantling of old unserviceable choked Cast iron Y strainer of 150 mm size without damaging the condenser pipelines and valves complete all as directed by Engineer-in-charge. | | 3 | Each |
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| 76 | 53 | Taking down Hepa filter from drafts and closure, removing OT light and S&F Hepa filter size 195x605mm box type frame-Al,EU13 grade, micron 0.3, efficiency 99.99% &IPD 25mm wg Make Eec (Enviromental Engineering Co) or equivalent recommissioning properly and testing for satisfactory function after replacing the Hepa filter complete all as specified and directed. | | 24 | Each |
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| 77 | 54 | Taking down old and choked Screen filter without any damage to the assests and S&F screen filter size 1000x1000 mm duly fabricated with superior quality of filter cloth suitable for filteration of light as well as refigerated air complete complete all as specified and directed. | | 24 | Each |
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| 78 | 55 | Taking down pre filter of any size from hanging type AHU without any damage to the assests .S&F pre filter of the esixting size duly and for filteration of refrigerated air complete all as specified and directed. | | 30 | Each |
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| 79 | 56 | Taking down pre filter of any size from AHU without any damage to the assests .S&F pre filter of the esixting size duly and for filteration of refrigerated air complete all as specified and directed. | | 30 | Each |
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| 80 | 57 | Supply and Fixing in repair of 'V' belt of sizes A-22 ,A-31, A-40, A-64 or any other size and type complete all as specified and directed \nMake: Fenner/Dunlop | | 60 | Each |
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| 81 | 58 | M&L for replacement of PVC cable 6 sqmm single core stranded copper conductor including taking down unserniceable cable and connection with strip heater unit with woven or braided fabric insulation covered on cables near the heater so that save it from the high temperature of strip heaters complete all as specified and directed. Make of Cable - Plaza/Havells/finolex or equivalent. | | 100 | RM |
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| 82 | 59 | Supply and fix in repair Strip heater 2 KW finned type 240 Volt total length 29\" and H to H length 27.25\" sutable for AHU of AC plant complete all as specified and directed.\nMake - Dass Pass | | 25 | Each |
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| 83 | 60 | Supply and fix in repair Strip heater 3 KW finned type 240 Volt total length 33.5\" and H to H length 32.75\" for AHU of AC plant complete all as specified and directed. \nMake - Dass Pass | | 25 | Each |
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| 84 | 61 | S& F Humidistat cum digital type thermometer with 99% efficiency and quick response time in AHU room.\nMake- Honeywell | | 5 | Each |
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| 85 | 62 | S & F in repairs water pressure gauge 7-10 Kg pressure 100 mm dia complete all as specified and directed. | | 30 | Each |
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| 86 | 63 | S & F in repairs water pressure gauge U- shape syphon of mild steel with butterfly valves suitable for 7-10 Kg pressure 100 mm dia guages complete all as specified and directed. | | 30 | Each |
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| 87 | 64 | M&L for repair to Humidification system of AHU including replacement of unserviceable chilled spray nozzle and repair of unserviceable monoblock pumps and testing of Humidification and dehumidification system complete all as specified and as directed | | 10 | Each Job |
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| 88 | 65 | M&L for replacement of GI pipelines of 20/25 mm of Humidification system & its monoblock pumps by dismantling old unserviceable and choked pipelines complete all as specified and as directed | | 100 | RM |
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| 89 | 66 | M&L for replacement of water storage PVC Tanks of humidification system of AHU capacity of tanks 50-100 Ltrs cubical in shape fixed on ground near AHU dehumidification system complete all as specified and as directed | | 4 | Each |
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| 90 | 67 | M&L for repair of CI water tank of Chilled water expansion tank of OTs AHU including welding works and replacement of gate valves after complete cleaning and painting and insulation repair complete all as specified and as directed. | | 1 | Each Job |
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| 91 | 68 | S& F in replacement of fire dampers of AHU of Central AC Plant including dismatling of old Unserviceable fire dampers without any damage to existing AHU Ducts complete all as specified and as directed | | 6 | Each Job |
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| 92 | 69 | Repair to Exhaust Fan of any capacity and any type and any sweep after taking down and check of internal wiring, internal copper windings, fan blade etc and refixing the same after tightening the bolts nuts screws ,/replacing bearings, bushes ,greasing, ceiling the bearings replacing the split pins etc complete installed at Central AC plant Installations | | 4 | Each Job |
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| 93 | 70 | M & L spray painting to Central AC Plant complete comprising of compressors,motors, condensor and chiller Pumps,cooling tower and CT fan motor ,MS/GI pipe lines of any sizes etc after preparation of old painted surface with one coat of synthetic enamel paint as per colour code including marking arrow, SM/ MES Nos, for 3X 146 TR Central ACs plant as directed by the Engr-in- charge. | | 1 | Each Job |
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| 94 | 71 | Supply and refilling of carrier chiller refrigeration compressor oil of Central AC plant after detection of leakage and low level from the compressor oil sight glass from Compressor/chiller units of Central AC plant and top up to the desired level after leakage repair if any and testing the chiller/compressor units for obtaining the desired cooling temperatures complete all as specified and directed.\nMake: Carrier | | 18 | Ltrs |
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| 95 | 72 | Supply and refilling of refrigerant gas R- 134 A to the compressor of Central AC plant after detection of leakage of Refrigerant gas from Compressor/chiller units of Central AC plant and top up to the desired level after flushing with nitrogen and leakage repair if any and testing the chiller units for obtaining the desired cooling temperatures complete all as specified and directed.\nMake: Floron , Mafron | | 240 | Kg |
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| 96 | 73 | Notes:\n(i) Day to Day Complaints pertaining to Central AC Plant shall be resolved by the contractor within 24 hrs of getting complaints. In case of failure on the part of contractor to resolve to the complaints within stipulated time, a penalty of Rs 1000 per day per complaint shall be imposed on the contractor. \n(ii) The contractor or his authorised representative shall report to the concerned JE E/M at 09:00 hours dailly on all working days to receive order/instructions of the work. A register shall be maintained to record all orders & instructions and their complaints and is to be signed by the contractor/his representative and the Engineer-in-charge/JE E/M concerned.\n(iii) Work done register to be maintained by the contrator.\n(iv)The Refrigerant gas to the compressors should be charged precisely and accuratley by the professional refrigerant mechanic so that there would be no leakage of gas after charging. In case if there would be any leakage just after the charging then the contractor will be held responsible for the same and it will be not measured. \n | | | |
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