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Repair/ Maintenance Of 3X146 Tr Central Ac Plant And Misc Works At Mh Bareilly Under Ge ( W ) Bareilly, GE WEST BAREILLY-Uttar Pradesh

Military Engineer Services-MES has published Repair/ Maintenance Of 3X146 Tr Central Ac Plant And Misc Works At Mh Bareilly Under Ge ( W ) Bareilly. Submission Date for this Tender is 29-03-2021. HVAC Tenders in GE WEST BAREILLY Uttar Pradesh. Bidders can get complete Tender details and download the document.




Tender Notice

27166602
Corrigendum : Repair/ Maintenance Of 3X146 Tr Central Ac Plant And Misc Works At Mh Bareilly Under Ge ( W ) Bareilly
Open Tender
Indian
Uttar Pradesh
GE WEST BAREILLY
29-03-2021

Tender Details

Repair/ MaintENANCE Of 3X146 Tr Central Ac Plant And Misc Works At Mh Bareilly Under Ge ( W ) Bareilly

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 13-Mar-2021 amendment in BOQ BOQ 22-03-2021
2 22-Mar-2021 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 29-03-2021

Key Value

Document Fees
INR 500 /-
EMD
INR 52000.0 /-
Tender Value
Refer document

BOQ Items

NAME OF WORK :REPAIR/ MAINT OF 3X146 TR CENTRAL AC PLANT AND MISC WORKS AT MH BAREILLY UNDER GE (W) BAREILLY
Sl. No. Item Description Item Code / Make Quantity Units
1 1 Testing,inspection and rectifying of the defects of non cooling/non achievement of desired temperature by qualified Engineer/technician Refrigerant Mechanic cum electrician for the Central AC Plant of Cap 3X146 TR Make - Carrier and Model-30HXC155A 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.\nNotes : The inspection report must be submitted by the contractor from the Qualified Technician/Engineer of OEM or authorised Rep of the OEM.The report must consist details of inpection and remedial solutions for rectifying the defects.\n 10 Each job
2 1.01 Notes for item No 1.00 :\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 of sub part under relevant item of Sch 'A'. \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.
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. 4 Each Job
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) 4 Each Job
5 4 ditto- all as above but of capacity 7.5 HP to 12.5 HP 2 Each Job
6 5 Supply only following items required under relevant items
7 5.01 Bearing of motor existing sizes as per requirement at site Make SKF/NBC 12 Each
8 5.02 Bearing of blower shaft pulley as per existing sizes at site Make SKF/NBC 6 Each
9 5.03 Fan Blades of existing sizes 4 Each
10 5.04 Connection Plate complete for three phase star delta winding connection of motor including lugs/thimble and wire complete 6 Each
11 6 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
12 7 M&L for opening/dismantling centrifugal pump set Condenser pump 25 HP/chiller pump 20 HP and complete overhauling including Lathe machine work , 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) 4 Each Job
13 8 Supply only following items required under relevant items
14 8.01 Impeller as per existing size 1 Each
15 8.02 GM Bush 8 Each
16 8.03 Steel Studs 16 Each
17 8.04 Wear rings of existing sizes 8 Each
18 8.05 Shaft seal 8 Each
19 8.06 Shaft sleeves 8 Each
20 8.07 Coupling nut bolts and bush complete 16 Each
21 8.08 Coupling as per existing size including shaft key and lathe work 2 Each
22 8.09 New Shaft complete including lathe work as per existing sizes for Becon make Pumps all as specified and directed 1 Each
23 8.1 Cast iron flangs (Halves) 12 Each
24 8.11 Bearing 6207,6309,6211,6311 as per requirement at site Make SKF/NBC 12 Each
25 8.12 Gland Box 6 Each
26 8.13 Gland dori packet as per existing size 10 Each
27 9 Supply and fix in replacement of Butterfly valves of following size of Chiller pipe lines 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
28 9.01 80/65 mm \n\n 2 Each
29 9.02 125 mm \n\n 1 Each
30 9.03 150 mm\n 1 Each
31 10 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
32 10.01 MNX-18 5 Each
33 10.02 MNX-25 15 Each
34 10.03 MNX-32 20 Each
35 10.04 MNX-40 5 Each
36 11 Supply and Fixing in replacement Side mounting add-on block with Auxiliary contact 1No+1Nc /2NO+2NC suitable for MNX 9 to 40 contractor \nMake L&T. 15 Each
37 12 Supply and Fixing in replacement Single phase preventor in LT panels for Pump and motors\nMake L&T/ Minilec. 10 Each
38 13 Supply and fix in replacement of connector HT5/HT4 /ST3 etc in the LT panel for connection of cables and wires as per existing and as per requirement on site. 20 Each
39 14 Supply and fix bakelite connector strip for current rating more than 30/63 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. 15 Each
40 15 Supply and fix O/L relay 28 to 63 Amps 3 pole, directly operated. All as specified and as directed Make- L&T/BCH. 10 Each
41 16 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. 4 Each
42 17 Supply and fix in repair NO -NC connecter, connected back side of the push start/ stop button green/Red colour complete assembly including push button for the interlocking control panel of AC Plant for compressor, chiller,motors and pumps complete all as specified and as directed. 10 Each
43 18 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 5 Each
44 19 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. 5 Each
45 20 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.. 10 Each
46 21 Supply and fix in repair RYB selector switch in the electric panel of central AC Plant 10 Each
47 22 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 5 Each
48 23 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 Make - HPL/AE/L&T/Trinity/Neptune complete all as specified and directed. 8 Each
49 24 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/AE/L&T/Trinity/Neptune complete all as specified and directed. 8 Each
50 25 Supply and fixing in replacement of Temperature control meter with sensor in the AHU panels with its complete assembly and sensors of high Resolution & High Accuracy of temperature complete all as specified and as directed. 5 Each
51 26 S&F in repair MCB four pole 63 Amp complete all as specified and directed.( Make L&T/Legrand/C&S/HPL) 4 Each
52 27 S&F in repair MCB four pole 32 Amp all as specified and directed by Engr-in-Charge. Make L&T/Legrand/C&S/HPL) 10 Each
53 28 S&F in repair MCB three pole 32 Amp all as specified and directed by Engr-in-Charge. Make L&T/Legrand/C&S/HPL) 10 Each
54 29 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) 1 Each
55 30 Ditto- all as above but of capacity 125 Amps 4 Pole 415 Volts 50 Hz 1 Each
56 31 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 , insulating tape roll and thimbles for internal wiring shall be included in the quoted rates and Other major spare part shall be measured and paid separately.) 5 Each job
57 32 M & L for servicing of main LT distribution panels of Central AC plant including control panel 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 insulating tape roll 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
58 33 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 30HXC model Central AC Plant duly recommended by the OEM i.e Carrier complete all as specified and directed. 2 Each
59 34 M&L for dismantling/opening of Filter drier core 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.\nMake: Danfoss 4 Each
60 35 M&L for dismantling/opening of External Oil Filter of Compressor of size 2- 1/4" Pressure Max 500PSIG/3.5MPa 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. 2 Each
61 36 M&L for dismantling/opening of Internal Oil Filter part No 2001972 of Compressor 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. Make: Totaline, carrier 2 Each
62 37 Supply and fixing in replacement of emergency pressure safety switch/Head Pressure (HP) switch with Sensor cum control switch assembly including push button Model cat part No H20PSM pressure controler with OFF 1.45 MPa and ON 0.80 MPa complete as per existing for Carrier Make and Model-30HXC155A Central AC Plant installed in the Chiller unit for restart of Chiller/compressor after resetting of Alarming condition complete all as specified and directed. 2 Each
63 38 Supply and fixing in replacement of Loading/Unloading Coil capacity 24 volt for Compressor of Carrier Make and Model-30HXC155A Central AC Plant installed on the compressor complete all as specified and directed. 3 Each
64 39 Supply and fixing in replacement of Hydraulic Coil capacity 24 volt 20 Watt / 24 Volt 10 watt for Compressor of Carrier Make and Model-30HXC155A Central AC Plant installed on the compressor complete all as specified and directed. 3 Each
65 40 Supply and fixing in replacement of Pressure transducer switch assembly for condenser of Chiller Plant of Carrier 30HXC model Central AC Plant complete all as specified and directed. 2 Each
66 41 Supply and fixing in replacement of Oil Pump 30HXC 410 volt 3 phase 50 Hz EBV 18 , 115 V ±10% , 120 Watt for Compressor of Carrier Make and Model-30HXC155A Central AC Plant installed for the compressor complete all as specified and directed. 2 Each
67 42 Supply and fixing in replacement for HRC fuse model CHNT RT 36 of cap 160 Amp of Chiller Electric Panel of HXC Carrier Central AC Plant complete all as specified and directed. 12 Each
68 43 Supply and fixing in replacement for Contactor assembly 3TF 47 Make SIEMENS complete with Relay and aux contact 1No+1 NC/2NO+2NC with coil control voltage 110-115 Volt of Chiller Electric Panel of Carrier 30HXC model Central AC Plant complete all as specified and directed. 2 Each
69 44 _ditto_ as above but 3TF 48 Make SIEMENS 1 Each
70 45 _ditto_ as above but 3TF 44 Make SIEMENS 2 Each
71 46 _ditto_ as above but 3TF 45 Make SIEMENS 1 Each
72 47 Supply and fixing in replacement for CHNT ON/OFF Controller 1.6 -2.5 A of Chiller Electric Panel of Carrier 30HXC model Central AC Plant complete all as specified and directed. 2 Each
73 48 Supply and fixing in replacement for connecter with thimble for Control transformer 400 volt 50 Hz and of Chiller Electric Panel of 30HXC Carrier Central AC Plant complete all as specified and directed. 15 Each
74 49 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-30HXC155A Central AC Plant installed in the Chiller unit complete all as specified and directed. 1 Each Job
75 50 Repair of Microprocessor mother board of Chiller Plant complte including replacement/repair of unserviceable ICs and components and commisioning testing by setting of programming in the microprocessor control assembly by qualified and experienced refrigerant mechanic/OEM complete as per existing for Carrier Make and Model-30HXC155A Central AC Plant installed in the Chiller unit complete all as specified and directed. 1 Each Job
76 51 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-30HXC155A Central AC Plant complete all as specified and directed. 3 Each Job
77 52 M&L for Overhauling and repair of Compressor Screw type Carrier Model No 06NW2300S5NA-A00 three phase 400 Volts 50 Hz 63 KW by replacement of all Ball Bearing and rewinding of motor burnt/short winding with existing size Copper insulated winding and repairing of evaporator tubes by repalcing of brass dead plugs etc precisely and accuratley through highly sensitive machineries, commissioning and testing of insulation resistance,winding resistance etc complete all as specified and as per recommendation of OEM of the equipments i.e Carrier. 2 Each Job
78 53 Loading/unloading/rigging/lifting with Chain pulley and heavy Labour machineries for Compressor Screw type of Carrier Model No 06NW2300S5NA-A00 three phase 400 Volts 50 Hz 63 KW for Central AC Plant from existing platform and refixing including transporting to the OEM/Auth dealer for repair complete all as specified and as directed. 4 Each Job
79 54 M&L for Commissioning testing by vaccumising through pump, Leak testing by Nitrogen after refixing/reinstallation of Compressor Screw type Carrier Model No 06NW2300S5NA-A00 three phase 400 Volts 50 Hz 63 KW after complete repair all as specified and as per recommendation of OEM of the equipments i.e Carrier.\nNote : Charging of Gas also Includes in this job, but Gas will be measured separately under relavant items of Sch 'A' 2 Each Job
80 55 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-30HXC155A Central AC Plant complete all as specified and directed. 3 Each
81 56 Supply and fixing in replacement of Water Energy switch assembly with Sensing device complete for flow control of chilled water in the Chilled water pipelines near three way mixing valves of AHUs complete as per existing after disconnection and dismantling of electrical connection for Carrier Make and Model-30HXC155A Central AC Plant complete all as specified and directed. 4 Each
82 57 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. 23 Each Job
83 58 M&L for UPVC/CPVC pipeline 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. 30 RM
84 59 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, cleaning by recirculating pressure pumps 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
85 60 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 cleaning of PVC Fills ,Choked nozzles,PVC loavers and 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
86 61 M & L for replacement of old unserviceable PVC Spray Nozzle as per existing size and type 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 ) 4 Each
87 62 M&L for Chilled water pipeline insulation of pipeline sizes 80 mm to 125 mm with removing the old worn out insulation and complete scrapping and applying varnish over the surface and refixing of C shaped nytril vinyl insulation of 25mm/40 mm thickness with applying proper adhesive and packing with insulating tapes complte complete all as specified and as directed 40 RM
88 63 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, 3 Each Job
89 64 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. 1 Each Job
90 65 Taking down Hepa filter from drafts and closure, removing OT light and S&F Hepa filter size 610x202x305mm 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
91 66 Taking down old and choked Screen filter without any damage to the assests and S&F screen filter size 900x1000 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
92 67 Supply and Fixing in repair of 'V' belt of sizes A-22 ,A-26 ,A-31, A-40,A-48,A-31, A-64 or any other size and type complete all as specified and directed \nMake: Fenner/Dunlop 50 Each
93 68 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. 50 RM
94 69 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 10 Each
95 70 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 - DassPass 20 Each
96 71 S& F Humidistat cum digital type thermometer with 99% efficiency and quick response time in AHU room.\nMake- Honeywell 5 Each
97 72 S& F Dry wet Bulb type industrial thermometer complete all as specified and directed. \nMake- Honeywell 5 Each
98 73 S & F in repairs water pressure gauge 7-10 Kg pressure 100 mm dia complete all as specified and directed. 8 Each
99 74 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. 10 Each
100 75 S & F in repairs vertical type industrial thermometer for chilled water pipelines and condensate water pipelines temperature complete all as specified and directed. 12 Each
101 76 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 2 Each Job
102 77 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 20 RM
103 78 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
104 79 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 2 Each Job
105 80 Supply and refilling of carrier synthetic screw compressor oil of Central AC plant model 30 HXC 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 through oil pump precisely 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 37.8 Ltrs
106 81 Supply and refilling/charging 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 186 Kg
107 82 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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