Sales : +91-777 804 8217
| Sl. No. | Item Description |
| 1 | Comprehensive maintenance of central air conditioning plant 3 x 100 TR capacityopening/checking/claeningof air conditioner\"s filters if required replace the filters, including the type of filter match with existing clening of coils, and fins as per regular maintenance schdule for smooth effectively functioning of AC Plants. Checking the motor, blower, drain line, coils, operating pressures and temperatures, the return and supply lines, refrigerant levels, and connections also clean the coils during a routine maintenance visitfilter should be changed depends on a variety of factors, including the type of filter match with existing at HQ WNC building comprising of equipment mentioned at item No 3.00 of Sch \"A\" Part I all as specified and directed . The maintenace schdule shall be as below:-(a) Check driving coupling of compressor shaft and motor for level and tightness, oil level in compressure crank case, check pressure guage, if gas leak is suspected, test circuit with test lamp or leak detector, also check compressure and motor for unuseal noise, vibration and over heating of bearings. (b) Cleaning of AHU unit filters with pressure if required rinse with clean with fresh water and dry before replacing. (c) Remove starter cover below of all and clean dust & the contacts with pressure, CTC/ alcohal/sprit and adjust the tensin of the contacts. testing of low pressure lubrication oil cutout laid down also measure insulation of all motors and record readings. sufficient lubricants of all motors/compressor motors and chillling water pump motor etc. |
| 2 | Comprehensive maintenance of VRV/VRF system at roof top of HQ WNC building comprising of following equipmentcomplete all as specified and direted. including dismantling of out door unit covers of VRV/VRF unit ofany capacity completely by disconnecting/ covering all electric/electronic boards and wiring and servicing condensor coils and compressor, reservoir areas completly wet servicing by using approved chemicals by OEM and re-assemblingsetting all parameters by using softwares by an OEM Engineer, testing of indoor unit and Dismantling of four way high wall indoor unit covers of VRV/VRFunit of any capacity completely by disconnecting/ covering all electronic boards and wiring and servicing cooling coils, expansion valves, indoor drainage pumps, drainage linescompletely wet servicing by using approved chemicals by OEM manufacturer by using tray jacketsincluding cleaning the surface after servicing testing all ascomplete all as specified and directed. Note :- Test report shall be kept on record duly signed:-Out door units (Make: Daikin)of capacity mentioned below:-(a) 12 HP : 02 Nos. (Model No. RXYQ 12 PAY6)(b) 16 HP : 02 Nos. (Model No. RXYQ 16 PAY6)(c) 18 HP : 02 Nos. (Model No. RXYQ 18 PAY6)Indoor units (Make: Daikin) of capacity mentioned below:-(a) 6.54 TR: 04 Nos. (Ductable units)(b) 1.33 TR: 08 Nos.(c) 1.65 TR: 03 Nos.(d) 3.3 TR:08 Nos.(e) 4.12 TR: 02 Nos.Copper piping for flow of refrigerant : 01 set Drain water piping (PVC pipes): 01 set, Supply air Ducting: 01 set Remote controls: 25 Nos. |
| 3 | Comprehensive maintenance of fire alarm system including minor consumeable electric / electonic spares for smooth functioning ofAFDS of HQ WNC building comprising of equipment mentioned as undercomplete all as specified and direted. :-Addressable Multisensor detector (Photo + Thermal) with base with galvanised steel, back box, and all mounting Accessories : 440 Nos. (Exsisting Make: Siemens)Analogue Addressable Heat detector : 03 Nos. (Exsisting Make: Siemens)Addressable Dual Action Manual Pull Stations including MS box of suitable size for concealing the MCP in the wall : 49 Nos. (Exsisting Make: Siemens)Addressable Monitor Modules :04 Nos. (Exsisting Make: Siemens)Addressable Control Modules with 230V 2A relay : 14 Nos. (Exsisting Make: Siemens)Addressable Control Module For Hooter : 11 Nos. (Exsisting Make: Siemens)Electronic Hooter : 49 Nos. (Exsisting Make: Siemens)Fault Isolator Module : 25 Nos. (Exsisting Make: Siemens)Response Indicator consisting of Red LED : 183 Nos. (Exsisting Make: Siemens) |
| 4 | Comprehensive maintenance of fire fighting and sprinkling system at HQ WNC building comprising of following equipementscomplete all as specified and direted. :-Fire fighting hydrant pumps 75 HP each -02 Nos.Sprinkler pump 50 HP - 01 No.Quartzoid sprinklers -900 Nos. Fire hoses with boxes -21 Nos.MS ERW piping and GI tubingJockey pumps 05 HP each -02 Nos. |
| 5 | Supply and charging of fresh gas R-410 for VRF unit,make as approved complete all as sepcified and directed . |
| 6 | Supply and fix the Noise filter for out door units of VRF 12 to 18 HP cap unit suitable for Out Door Unit(Model No- RXYQ12PRY6 to RXYQ18PRY6 of Exsisting Make: Daikin or equivalent) including testing all as specified and directed |
| 7 | Supply and fix theFan board Cat Part No- R 61037280 for out door units of VRF 12 to 18 HP unit suitable for out door(Model No-RXYQ12PRY6 to RXYQ18PRY6 of existing Make: Daikin or equivalent ) including testing complete all as specified and directed. |
| 8 | Supply and fix Condensor coil, for Out door units of VRFUnit suitable for Out Door Unit(Model No- RXYQ12PRY6 to RXYQ18PRY6 ofexisting Make: Daikin or equivalent ) including leaktesting by using nitrogen gas all as per OEM instructions complete all as specified and directed |
| 9 | Supply and fix PCB for four way casette/hiwalltype indoor units of VRFUnit suitable for INDOOR UNIT (Model - FXFQ100PVE9 ofMake: existing Daikin or equivalent ) including testing complete all as specified anddirected |
| 10 | Supply and fix blower motor for four way casette/hiwalltype indoor units of VRFunit suitable for INDOOR UNIT (Model - FXFQ100PVE9 of existing Make: Daikin or equivalent ) including testing complete all as specified and directed |
| 11 | Supply and fix in replacement Drain Pump for four way casette/hiwalltype indoor units of VRVUnit including testing complete all as specified and directed. |
| 12 | Supply and fix cooling coil for four way casette/hiwalltype indoor units of VRFunit suitable for INDOOR UNIT (Model - FXFQ100PVE9 ofMake: existing Daikin or equivalent ) including testing completeall as specified anddirected |
| 13 | Supply and fix invertor board, Cat Part No-R61039280 for out door units of VRF 12to 18 HP unit suitable for Out Door Unit (Model No- RXYQ12PRY6 to RXYQ18PRY6 ofMake: exsisting Daikin or equivalent ) including testing complete all as specified anddirected |
| 14 | Supply and fix control board ,Cat Part No- R61011281 for out door units of VRF 12to 18 HP unit suitable for Out Door Unit (Model No- RXYQ12PRY6 to RXYQ18PRY6 ofExisting Make: Daikin or equivalent) including testing omplete all as specified anddirected. |
| 15 | Supply and fix remote controller for four way casette/hiwalltype indoor units of VRFunitsuitable for INDOOR UNIT(Model - FXFQ100PVE9 of ExistingMake: Daikin or equivalent) including testing complete all as specified anddirected |
| 16 | Supply and fix in replacement of compressor, three phase 380-440 Volt, frequency 50Hz, ref R-410A suitable for outdoor unit of VRF 12 to 18 HP (Model No. JT1GCVDKYR ExistingMake: Daikin or equivalent) including testing complete all as specified and directed . |
| 17 | Supply and fixing in replacement of VRF based 4 Way Cassette unit of 2TR/695CFM capacity . The unit should be complete with Fan section with Fan/Cooling Coil suitable for R410A With electronic expansion valve, return air filter, insulated drain tray and necessary controlscomplete all as specified and directed (with Cordless Remote) including taking down unserviceable. Note: cost of copper pipe and minor spares required for the connection is deemed to be included in quoted rates. |
| 18 | Dismantling the leaking condenser from 100 TR capacity AC plant replacing with the new air cooled condenser of size 198cm x 112cm x4 row made out of copper tube and aluminium fines. Reconnecting the condenser including brazing/welding inlet and outlet connections. Leak test, pressure test with nitrogen. Vaccumizing & gas charging with F22 refrigerant & testing on load omplete all as specified anddirected. |
| 19 | Supply and install, testing and commissioning Expansion valve Model No. ACDR0105OMN including taking down unserviceable valve completecomplete all as specified and direted. at Command Post building. Make:As approved omplete all as specified anddirected. |
| 20 | Material & labour for pumping down the plant to preserve the existing refrigerant gas & leak testing of plant by charging of Nitrogen gas in to entire plant & monitoring for 24 hrs to find out the leakages rectification of leakage by brazing & replacement of necessary gasket packing as wherever required including copper tubes of suitable size vacuumising of the plant by vacuum pump & keeping 24 hrs for testing including rectification of leakages if any and finally recharging of existing refrigerant gas to the plant and and topping up of refrigerant if required to maintain the standard back pressure complete testing of the plant for smooth functioning complete all as specified and directed |
| 21 | Supply & charge refrigerant (R - 22) gas for AC Plantcomplete all as specified and direted.. |
| 22 | Supply of fresh compressor oil for replacement of compressor oil with fresh compressor oilMake : As approved complete all as specified and direted. |
| 23 | Supply & fix in replacement Delivery/Liquid line valve, 40 mm dia, suitable for Unit Model No. ACDR105OMN, complete all as specified and direted.. Make: As approved |
| 24 | Supply and fix in replacement power contactors three phase, 415Vincluding add on block for NO/NC connection,complete all as specified and direted. :- Make:As approved. |
| 25 | Supply and fix in replacement power contactors, three phase including add on block for NO/NC connection, 415Vcomplete all as specified and direted. :-Make: as approved . |
| 26 | Supply and fix in replacement power contactors, three phase,415V including add on block for NO/NC connection, complete all as specified and direted. :- Make:As approved |
| 27 | Supply & fix in replacement oil seal assembly suitable for Unit Model No. ACDR105OMNcomplete all as specified and direted.. |
| 28 | Supply and fix in replacement of unserviceable AHU pre-filters 10 microns , suitable for AHUs of Make:As approved Nutechcomplete all as specified and direted.. |
| 29 | Rewinding ofunserviceable electric motor 3 phase 50 Hz, 415volt offollowing capacity pump set motor complete all as specified and directed (I)50 HP fire fighting pump motorNote : for item No 29.00 to 32.00(a) Disconnecting& removing the electric motor from installed position including, loading, unloading and transporting to approved workshop.(b) Taking out the existing burnt winding from the motor including rewinding complete with super enameled copper winding wire of existing gauge including all insulating material such as insulation paper, sleeves, tape, varnish etc. completefor class \"F\" insulation.(c) Transporting the motor back to the location, reinstalling in original position including leveling and alignment, electrical & water connection, commissioning and testing for 08 hours continuously to check the RPM etc. to the satisfactory performance etc. complete.(d) Any damage caused during handling will be made good by contractor without any extra cost to department |
| 30 | Rewinding ofunserviceable electric motor 3 phase 50 Hz, 415volt offollowing capacity pump set motor complete all as specified and directed (I)20 HP fire fighting pump motor- |
| 31 | Rewinding ofunserviceable electric motor 3 phase 50 Hz, 415volt offollowing capacity pump set motor complete all as specified and directed (I)15 HP fire fighting pump motor |
| 32 | Rewinding ofunserviceable electric motor 3 phase 50 Hz, 415volt offollowing capacity pump set motor complete all as specified and directed (I)05 HP AHU blower motor |
| 33 | M&L for over hauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning, capacity of pumps 50 HP fire fighting pumpand motors all aspecified and directed. |
| 34 | M&L for over hauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning, capacity of pumps 20 HP fire fighting pumpand motors all aspecified and directed. |
| 35 | M&L for over hauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning, capacity of pumps 15 HP fire fighting pumpand motors all aspecified and directed. |
| 36 | Supply & fix in replacement of AHU blower motor V belts, size A 36 to A 40complete all as specified and direted. .Make :-As approved |
| 37 | Supply & fix in replacement of AHU blower motor V belts, size A 43complete all as specified and direted. as per sizesA 41 to A 45 Make: As per sample/or as existing at site. |
| 38 | Taking down old unserviceable/deteriorated insulation from duct, cleaning the duct surface with steel wire brush to remove dirt, dust and make it free of scale, greases and foreign matter etc and supply and fix nitrile rubber insulation (Armaflex)one layer of 19mm thickness sticking on surface of duct / pipe line by using best quality adhesive and sealing the joints by weather proof tape including covering with aluminium sheet of suitable thickness complete all as specified and direted. |
| 39 | Supply & fix in replacement of LP/HP cutout switch sensor complete all as specified and direted. |
| 40 | Removing the unserviceable pressure gauges HP / LP / OP from existing position and supplying and fixing new pressure gauge of capacity 0 to 30 Kg / square centimeter complete with necessary accessories complete all as specified and direted. |
| 41 | Taking down old unserviceable aluminium rectangular grill of any type and make and supply and fix new air /return air of aluminium rectangular grills complete with wooden frame work made out of II nd class hard wood, volume control damper including gasketand connected accessories complete all as specified and direted. |
| 42 | Supply and fixing in replacement of Micro processor controller for Central AC plant as per existing model complete all as specified and directed. |
| 43 | Supply and fixing in replacement of MVPD device, range 30 to 220 Amps, 230 Volt as per existing model for Central AC plant complete all as specified and directed. |
| 44 | Supply and fixing in replacement of Modular type 100% All Inverter Variable Refrigerant Flow Outdoor unit as per existing of capacity 16 HP comprising of Hermetically sealed INVERTER Variable Speed Scroll compressors with control wiring. The unit shall comprise of high efficiency, low noise condenser fan with guard and motor, heat exchanger and coated fins for increased durability. The casing shall be powder coated and the unit shall be provided with liquid line strainer, catch all drier, thermostats etc. suitable for interconnecting with any type of indoor units with cordless remote controller. The ODU & IDU shall be integrated with special control wiring system with the central monitoring control. The unit shall be factory wired and tested before despatch. The operating refrigerant shall be R410A only.The unit shall be BMS compatible with MODBUS protocol. Outdoor should give 100% Capacity at 43 Deg C Ambient Temperature. The COP of the Outdoor units should be more than 3.6 at design conditions complete all as specified and as directed. Note : The cost of dismantling existing outdoor unit is deemed to included in the quoted rate. |
| 45 | All as per item No 44 above but for 12 HP Capacity |
| 46 | M&L for Cleaning of Air handling ducts (GI/Al) internally by using special T&P like robortic arm, air compressor, air jet nozzles, flipper, vaccum pump and a suction blower with hepa filterand check before and after the cleaningcomplete all as specified and directed |
| 47 | Material and labour for repair/overhauling and including replacement of unsverviceable spares of 200 TR air-cooled type chiller package with reciprocating compressor AC plant by dismantling complete assembly after pumping down refrigerant R-22 , checking all spares and segregate of serviceable and unserviceable spares overhauling the compressor including replacement of unserviceable spares including machining of crank shaft bearing, polishing, replacing of gaskets packing, reassembling complete and recharging of pumped down refrigerant, charging additional refrigerant upto the required pressure and topping up if required to maintain the required standing charged pressure of compressor oil and gas, testing for smooth functioning etc complele all as specified and directed by Engr-in-Charge. Note : (i) Cost of all spares except supply only is deemed to be included under quoted rate by the contractor .Make as approved (ii) All other item for repair shall be measured to Item no 48.00 to 67.00 |
| 48 | Supply only Crank shaft Model No 5H120 |
| 49 | Supply only Piston Part No. 02-B |
| 50 | Supply only Oil scraper rings part No 02-D |
| 51 | Supply only Main bearing and sealing bearing (set of two) part No. 03-C |
| 52 | Supply only Liner assembly set Part No. 03-D |
| 53 | Supply only Oil pump assembly part No. 03-E |
| 54 | Supply only Rockr arm part No. 04-B |
| 55 | Supply onlyLoader/unloader spring Part No. 05-C |
| 56 | Supply only Piston pin part No 11-Y/2 |
| 57 | Supply only Suction valve reeds Part No. 11-E&F |
| 58 | Supply only Discharge valve reeds part No. 11-C |
| 59 | Supply only Oil filter part No. 05-D |
| 60 | Supply onlySuction strainer cat part No. 07-B |
| 61 | Supply only Oil pressure regulating valve set part No 08-A |
| 62 | Supply only Connecting rod part No. 08-B |
| 63 | Supply only Half section bushing for connecting rod part No. 09-B |
| 64 | Supply only Gasket set part No. 09E |
| 65 | Supply only Compressor safety valve/bypass valve part No. 10-A to G |
| 66 | Supply only Shaft seal assembly part No. 10-A to G |
| 67 | Supply only Piston rings part No. 10-A to G |
| 68 | Supply and errect factory fabricated rectangular/square duct made out of 24 /22 gauge GI sheet in L shaped hollow profile including all accessories such as corner, carriage bolt hangers, gasket and seal thelongitudinal joints with and including approved sealant complete all as specified and directed |
| 69 | M&L for replacement of copper tube cooling coils of AHU of capacity not less than 8000 CFMincluding testing complete all as specified and directed. |
| 70 | Supplying , installation, Testing & Commissioning ofAddressable 3 Loop Fire Alarm Panel expandable upto 5 loop the control panel shall support up to five analogue addressable loops with the capability to control 495 analogue sensors and 495 addressable modules, giving themaximum capacity of 990 addresses,The panel shall have 14 general panel status LED’s. An alphanumeric liquid crystal display shall give 80 charactersof information on a 2-line display. The display will be illuminated to aid viewing under dim ambient light conditions. 20 number zonal fire indicators(LED’s) and 20 number zonal fault/test/disabled (LED’s) shall be provided.An on- board hanumeric keypad with 17 keys shall allow the complete control and configuration of the system. Alternatively the panel shall be programmedusing PC based upload/download software. Four separate pushbuttons shallprovide control of Sound Alarms (Evacuate), Silence/Resound, Mute/Accept and Reset, and shall be located adjacent to the main LED indication. UL listed FM approvednetworkable with existing pannel complete all as specified and as directed. Make : As approved. |
| 71 | Supply and fix rubberized fabric reinforced rubber lined fire hose (RRL Hose)including gunmetal male and female instantaneous type of coupling hose confirming to IS 636 type II and coupling confirming IS 903-1975 in all respect 15 mtr long including taking out unserviceable item complete all as specified and as directed |
| 72 | Supply and fixing in replacement Branch pipe nozzle gun metal 63mm instantaneous inlet, made threaded outlet complete all as specified and as directed |
| 73 | Supply and fixing in replacement Fire Hydrant valve double headed gun metal suitable for 100 mm pipe sections complete all as specified and as directed |
| 74 | Supply and fixing in replacement Fire Hydrant valve single headed gun metal suitable for 100 mm pipe sections complete all as specified and as directed |
| 75 | Supply and fix in replacement of wall mounted 16 gauge thick powder coated with post office red colourM.S cabinet of size 750mm x 600mm x 350mm for housing 02 Nos in lengths of 15mt long each canvass hoses and branch pipes with glass and locking arrangement complete all as specified and as directed |
| 76 | Material and labour for preperation of steel/iron surface of old painted surface of any size pipeline otherwise described, painting one coat with red oxide zinc chrome paint and 2 coat with anticorrosive paint for protection against sea water(existing pattern) complete all as specified and directed). |
| 77 | Supply and fixing in replacement of damaged glass panes 6 mm thick suitable for existing fire cabinet indoor type complete all as specified and ascomplete all as specified and directed. |
| 78 | Supply and fixing in replacement Fire Brigade inlet connection 2 way complete all as specified and as directed |
| 79 | Supply and fixing in replacement Gun metal cover assembly of fire hydrent valve complete all as specified and as directed |
| 80 | Supply and fixing in replacement gun metal spindle for 63mm size fire hydrent valve with washes, bush, check nuts etc for complete all as specified and as directed |
| 81 | Supply and fixing in replacement of mouth washers for 63 mm size fire hydrent complete all as specified and as directed |
| 82 | Supply & fix in replacement Addressable Multisensor detector ( Photo + Thermal) with base with galvanised steel, back box, and all mounting accessories as per site requirement complete all as specified and directed.. Make : As approved. |
| 83 | Supply & fix in replacement Addressable Control Modules with 230V 2A relay with junction box and all mounting accessories complete all as specified and directed.. Make : As approved. |
| 84 | Supply & fix in replacement Addressable Manual call point (MCP) with back box and all mounting accessories complete all as specified and directed.. Make : As approved. |
| 85 | Supply & fix in replacement Addressable Hooter cum strobe and all mounting accessories complete all as specified and directed.. Make : As approved. |
| 86 | Supply & fix in replacement Addressable Fault isolator module and all mounting accessories complete all as specified and directed. Make : As approved. |
| 87 | Supply and fixing in replacement Battery of capacity 42 / 26 AH ,12 Volts suitable for fire fighting system panel complete all as specified and as directed |
| 88 | Supply and laying in replacement copper conductor multi strand armoured cable 2 core 1.5 sqmm Red colour complete all as specified and as directed |
| 89 | Suply and fix in replacement drum type wall mounted hose reels, swinging 180 degrees (Newage/Suprex) conforming to IS:884 with ISI mark consisting of 20mm dia x 30 mtr long, branded rubber hose pipe with 6.3 mm dia bronze shut off type jet nozzle, making connection to the vertical riser by cutting welding, including providing 20mm dia shut off valve, fixing the hose reel with necessary anchor fastners by drilling holes in walls /RCC, making good the damaged surfaces matching with existing complete all as per direction of the Engineer-in-Charge.Make :- As approved. |
| 90 | M&L for disconnecting all electrical connections, separating electric motor from reciprocating compressor for repair/overhauling and including replacement of unserviceable spares of compressor reciprocatingtype model5 H 40 OF VOLTAGE Make by dismantling complete assembly, after pumping down refrigerant R-22, checking of all spares and segregate of serviceable and unserviceable spares overhaulingthe compressor includingreplacement of unserviceable spares, replacing of gasketspacking,reassembling complete after replacement of u/s spares, testing for smooth functioning etc,Complete all as specified and directed by Engineer- in-charge. Location :MWC AC PLANTS(Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates :(a) Supply only spares for compressor reciprocating type model 5 H 40 of existing Make included under item Nos 91.00 to 107 here-in-after.(b) Supply only compressor oil for topping up, if required and paid under relevent item here-in-after. |
| 91 | Crank shaft |
| 92 | Piston |
| 93 | Oilrings |
| 94 | Shaft seal assembly |
| 95 | Liner assembly |
| 96 | Oil pump assembly |
| 97 | Rockers arm |
| 98 | Loader/unloader spring |
| 99 | Piston rings |
| 100 | Suction valve reeds |
| 101 | Discharge valve reeds |
| 102 | Oil filter |
| 103 | Suction strainer |
| 104 | Oil pressure regulating valve |
| 105 | Connecting rod |
| 106 | Gasket set |
| 107 | Compressor safety valve |
| 108 | M&L for disconnecting all electrical connections, separating electric motor from reciprocating compressor for repair/overhauling and including replacement of unserviceable spares of AC Plantcompressor reciprocatingtype model5 H 60 OF VOLTAGE Make by dismantling complete assembly, after pumping down refrigerant R-22, checking of all spares and segregate of serviceable and unserviceable spares overhaulingthe compressor includingreplacement of unserviceable spares, alsoincluding machining of crank shaft bearing,polishing, replacing of gasketspacking,reassembling complete and rechargingof pumpeddown Refrigerant, also charging of additional refrigerant upto the required pressure & topping up if required to maintain the required standingcharged pressure of compressor oil and gas, testing for smooth functioning etc, Complete all as specified and directed by Engineer- in-charge. Location :NAD AC PLANTS(Note: Cost of all the elements (material cost as well as labour cost) for making the compressors completely functional except the following shall be deemed to be included in the quoted rates :(a) Supply only spares for compressor reciprocating type model 5 H 40 , Make : VOLTAGEincluded under item Nos 109.00 to 125.00 here-in-after.(b) Supply only compressor oil for topping up, if required and paid under relevent item here-in-after. |
| 109 | Crank shaft |
| 110 | Piston |
| 111 | Oilrings |
| 112 | Shaft seal assembly |
| 113 | Liner assembly |
| 114 | Oil pump assembly |
| 115 | Rockers arm |
| 116 | Loader/unloader spring |
| 117 | Piston rings |
| 118 | Suction valve reeds |
| 119 | Discharge valve reeds |
| 120 | Oil filter |
| 121 | Suction strainer |
| 122 | Oil pressure regulating valve |
| 123 | Connecting rod |
| 124 | Gasket set |
| 125 | Compressor safety valve |
| 126 | Pumping down and transfer existing refrigerent gas complete prior to overhauling of compressor reciprocating open type model FK - 4 Kirloskar Make 2 x 7.5 TR Capacity, dismantling complete assembly & replacing of minor unserviceable parts including machining of crank shaft boring polishing etc replacing of gaskets packing reassembly and recharging ofpumped down refrigerant & topping up if required to maintain the required standing pressure charging of compressor oil complete testing for smooth functioning etc.at CCDT ND complete all as specified and directed by Engineer- in-charge.(Note : Major spare parts, compressor oiland refrigerant gas for topping up will be paid separately ) |
| 127 | Material and labour for cleaning of cooling coil section of AHU of2 x 50TR Capacity AC Plant at NAD A-63 Naval Dockyard for descaling and providing 02 Nos.15mm Tee outlet for local circulation of MAIC solution in the cooling coil (separate container and pump set of appropriate capacity to be used for circulation) pH value of solution to be kept at 4 & checked at an interval of 01 hr. duration process the scalgum / WS / Cleansol or equivalent solution to be used for descaling if ph value remains less than \"7\" flush with fresh water addedto sodium carbonate till pH value attains \"7\" refix the coilsection in position minor repairs to be carried out in AHU Coil bins to be cleaned by scalgum solution by spraying the solution with washing pump up to required level, AHU and Complete all as specified and directed by Engineer- in-charge. |
| 128 | Dismantling AHU of 2 x 60TR TR capacity AC plant carefully by removing side and top panel removing unserviceable blower shaft bearings,removing motor & blower assembly, replacement of new AHU blower shaft bearings reassembling blower assembly and refixing electric motor & top side panel in original position with new nut bolts washers & shafts keys & checking the shafts balancing & testing for smooth running complete all as specified and directed by Engineer- in-charge. at NAD A-63 Naval Dockyard. |
| 129 | All as per item No 128.00 but for 2 x 75 TR AC Plant at CCDT(ND) |
| 130 | All as per item No 128.00 but for 3x 40TR AC Plant at MWC Bldg No 173(ND) |
| 131 | Material and labour for dismantling cooling tower by removing CT Fans, sprinklers, PVC filler and clean cooling tower body by removingscale , dust, dirt and refix PVC filler by cleaningwith dilutedHCL solution reassembling, connecting , cleaning externalsurface and applying two coats of approved synthetic enamel paint including writing SM number/ markingand testing etc Complete all as specified and directed by Engineer- in-charge for the following capacity cooling towers Cooling towerof 2 x 50 TR Capacity at NAD A-63 Naval Dockyard |
| 132 | Ditto as per Item No 131.00 here in before but Cooling towerof 6 x 7.5 TR Capacity at A - 14 (Naval Dockyard) |
| 133 | Ditto as per Item No 131.00 here in before but Cooling towerof 3 x 40 TR Capacity at MWC Bldg. No. 173.(Naval Dockyard) |
| 134 | Supply and fixing in repair of unserviceable / worn-out \"V\" Belt of AHU\"s complete all as specified and directed by Engineer- in-charge. |
| 135 | Supply and fixing in repair of unserviceable / worn-out rubber coupling suitable for compressor shaft and motor shaft Complete all as specified and directed by Engineer- in-charge. |
| 136 | Takingout old unserviceablecooling tower fills sheets of 2X50 TR from the siteand supply and fix new fibre fills sheet of same size for coolingtower as per the existing at site and complete all as specified and directed by Engineer-in-Chargeat NAD A-63 Naval Dockyard |
| 137 | Taking out old unserviceable cooling tower nozzles and supply and fix new cooling tower nozzles suitable for 2x 60 TRMihir make cooling toweras per existingat NAD A-63 Naval Dockyard complete all as specified and directed . |
| 138 | Material and labour for disconnecting condenser for descaling & plugging them & providing of 15 mm tee out let for local circulation of mild acid solution in the condenser (separate container and small pump set to circulate diluted acid solution to be used) pH value of solution to be circulated & to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be usedfor descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7 flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulatingdiluted acid solution as specified above & pH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed :- Condenser of2 x 50TR Capacity AC Plant at NAD A-63 Naval Dockyard |
| 139 | Ditto as per item No 138.00 abovebut Condenser of 2 x 7.5 TR Capacity AC Plant at CCDT (ND) |
| 140 | Ditto as per item No 138.00 abovebut Condenser of 3 x 40TR Capacity AC Plant at MWC Bldg. No.173(ND) |
| 141 | Material and labour for disconnectingfor Chiller descaling & Plugging them & providing of 15 mm tee outlet for local circulation of mild acid solution in the Chiller (separate container and small pump set to circulate diluted acid solution to be used) pH value of solution to be circulated & to be kept 4 and checking frequently i.e. every one hour during the operation Scalgun WS solution to be usedfor descaling purpose after 2 to 3 hours of cleaning if ph value remains less than 7, flush with fresh water mixed with sodium carbonate tubes and cleaning with nylon brush after closing the end covers, circulatingdiluted acid solution as specified above & pH value to be maintained as above & flushing the same with fresh water including recharging of stored refrigerant up to required pressure complete all as specified & directed Chiller of2 x 50TR Capacity AC Plant at NAD A-63 Naval Dockyard |
| 142 | Pumping down theexisting refrigerant fromthe condensor and carrying out theleak test of plant with the pressure of Nitrogen gasand monoitoring for 24hrsassesleakages by brazing & replacementof necessary gasketwhereverrequired including copper tubes of suitable size vacumizing of the plant by vaccum pump finallyreharging of existing refrigerant gas to the plant and topping up of refrigerant if requiredtomaintain the standard pressure etccomplete including testing of the plant for smooth functioning Complete all as specified and directed by Engineer- in-charge. (Note: Refrigerant required for topping up will be measured and paid separately under relevant items) |
| 143 | M&L for rewinding ofunserviceable electric motor 3 phase 50 Hz 415volt 7.5 HP Chiller / Condenser Water Pump Motorcomprising as under :-(a) Disconnecting& removing the electric motor from installed position including, loading, unloading and transporting to approved workshop.(b) Taking out the existing burnt winding from the motor including rewinding complete with super enameled copper winding wireofexisting gauge including all insulating material such as insulation paper, sleeves, tape, varnish etc. completefor class \"F\" insulation.(c) Transporting the motor back to the location, reinstalling in original position including alignment, electrical & water connection, commissioning and testing for 8hours continuously to check the RPM etc. to the satisfactory performance etc Complete all as specified and directed by Engineer- in-charge.NOTE: Any damage caused during handling will be made good by contractor without any extracost to department |
| 144 | Ditto All as per item No 143.00 here in before but 7.5 HP Chiller / Condenser Water Pump Motor |
| 145 | Ditto All as per item No 143.00 here in before but5.0 HP Chiller / Condenser Water Pump Motor |
| 146 | Ditto All as per item No 143.00 here in before but3.0 HP Chiller / Condenser Water Pump Motor |
| 147 | Ditto All as per item No 143.00 here in before but15 HP Compressor Motor . |
| 148 | Ditto All as per item No 143.00 here in before but 60 HP compressor motor |
| 149 | Ditto All as per item No 143.00 here in before but 40 HP Motor |
| 150 | Ditto All as per item No 143.00 here in before but 50 HP Motor |
| 151 | Ditto All as per item No 143.00 here in before but 25 HP Motor |
| 152 | M&L for overhauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning with 7.5 HP Chiller / Condenser Water Pump and motors complete all as specified and directed |
| 153 | M&L for overhauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning with 15 HP Chiller / Condenser Water Pump and motors complete all as specified and directed |
| 154 | M&L for overhauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning with 5 HP Chiller / Condenser Water Pump and motors complete all as specified and directed |
| 155 | M&L for overhauling of Monoblock pump set after removing from the base plate, disconnectingfrom pipe line, dismantling the pump set, replacing unserviceable gland packing, gun metal bush bearing water seal applying grease etc. complete and reassembling the pump set connecting with pipe line reconnection of electric supply, including buts bolts, gaskets etc. complete testing of pumps for smooth functioning with 10 HP Chiller / Condenser Water Pump and motors complete all as specified and directed |
| 156 | Over hauling sevicing of electric motor after removing from the base foundation including disconnecting of electric connection and replacment of unserviceable ball bearing complete and reassembling, realignment and reconnection of electric supply complete and testing on load for smooth functioning of 60 HP Motor complete all as specified and directed . |
| 157 | Over hauling sevicing of electric motor after removing from the base foundation including disconnecting of electric connection and replacment of unserviceable ball bearing complete and reassembling, realignment and reconnection of electric supply complete and testing on load for smooth functioning of 40 HP Motor complete all as specified and directed . |
| 158 | Over hauling sevicing of electric motor after removing from the base foundation including disconnecting of electric connection and replacment of unserviceable ball bearing complete and reassembling, realignment and reconnection of electric supply complete and testing on load for smooth functioning of 20 HP Motor complete all as specified and directed . |
| 159 | Over hauling sevicing of electric motor after removing from the base foundation including disconnecting of electric connection and replacment of unserviceable ball bearing complete and reassembling, realignment and reconnection of electric supply complete and testing on load for smooth functioning of 25 HP Motor complete all as specified and directed . |
| 160 | Over hauling sevicing of electric motor after removing from the base foundation including disconnecting of electric connection and replacment of unserviceable ball bearing complete and reassembling, realignment and reconnection of electric supply complete and testing on load for smooth functioning of 10 HP Motor complete all as specified and directed . |
| 161 | Supply and charging refrigerant R-407(a) gas as per requirement, Complete all as specified and directed . |
| 162 | Material and labour in replacement of Microprocessor of 50/60 TR Capacitychiller unit including replacing diods , transistors and wiring etc for AC Plant at NAD A-63 Naval Dockyardall as per existing complete all as specified and directed. |
| 163 | Material and labour for Expansion valve of 50TR/60TR chiller unit including takingdown old unserviceable valve complete all as specified and directed . |
| 164 | Material and labour for Expansion valveof 30/40TR chiller unit including takingdownold unserviceable valve complete all as specified and directed . |
| 165 | Material and labour Expansion valve of AC plant capacity 7.5/15 TR including taking down old unserviceablevalve complete all as specified and directed. |
| 166 | Supply and fix in replacement of shaft seal assembly suitable for 15/7.5 TR Capacity chiller unitall as specified and directed. |
| 167 | Supply and fix in replacement 100 mm bore CI Butter fly valve slim seal design with nitrile rubber lined seat with clutch lever (p10)as per (ISI Marked) cast iron, PN 1.6, class 125, as per IS 13095: 1991complete all as specified and directed. |
| 168 | Supply and fix in replacement 80 mm bore CI Butter fly valve slim seal design with nitrile rubber lined seat with clutch lever (p10)as per (ISI Marked) cast iron, PN 1.6, class 125, as per IS 13095: 1991complete all as specified and directed. |
| 169 | Supply and fix in replacement 50 mm bore CI Butter fly valve slim seal design with nitrile rubber lined seat with clutch lever (p10)as per (ISI Marked) cast iron, PN 1.6, class 125, as per IS 13095: 1991complete all as specified and directed. |
| 170 | Supply and fixing in replacement 100 mm boreCI Non Return valve (PN 1.6) as per IS 5312 (Part 1): 2004, complete all as specified and directed. |
| 171 | Supply and fixing in replacement 80 mm boreCI Non Return valve (PN 1.6) as per IS 5312 (Part 1): 2004, complete all as specified and directed. |
| 172 | Supply and fixing in replacement 50 mm boreCI Non Return valve (PN 1.6) as per IS 5312 (Part 1): 2004, complete all as specified and directed. |
| 173 | Supply and fixing in replacement of Strainer 100 mmsize complete all as specified and directed . |
| 174 | Supply and fixing in replacement of Strainer 80 mmsize complete all as specified and directed . |
| 175 | Supply and fixing in replacement condensor safety valve suitable for chiller unitall as specified and directed . |
| 176 | Material and labour in replacement HP cut out including taking down old one complete all as specified and directed . |
| 177 | Material and Labour in replacement LP cut out including taking down old one complete all as specified and directed. |
| 178 | Material and labour for oil pressure cut out controls for compressor including taking down old one complete all as specified and directed . |
| 179 | Supply& fixing in replacement power contactor MNX -32 including add on blocks and connectors of suitable rating complete all as specified and directed. |
| 180 | Supply& fixing in replacement of power contactor MNX -40including add on blocks and connectors of suitable rating complete all as specified and directed .. |
| 181 | Supply& fixing in replacement of power contactor ML-2including add on blocks and connectors of suitable rating complete all as specified and directed . |
| 182 | Supply& fixing in replacement of power contactor ML-3including add on blocks and connectors of suitable rating complete all as specified and directed . |
| 183 | Supply& fixing in replacement of power contactor ML-4including add on blocks and connectors of suitable rating complete all as specified and directed. |
| 184 | Supply& fixing in replacement of Auxiliary contactorincluding add on blocks and connectors of suitable rating complete all as specified and directed . |
| 185 | Supply &fix in replacement of timer 800 SD of Simens make for Compressor motor Complete all as specified and directed . |
| 186 | Supply& fixing in replacement of GT Timer of L&T make for Condenser motor Complete all as specified and directed |
| 187 | Supply and fixing in replacement of bimetal over load relay of range 14-23 Amps direcectly operated suitable for 10 HP motor Complete all as specified and directed. |
| 188 | Supply and fixing in replacement of bimetal over load relay of range 9-15 Amps direcectly operated suitable for 5 HP motor Complete all as specified and directed . |
| 189 | Supply& fixing in replacement of AHU Blower Complete all as specified and directed. |
| 190 | Taking down old unserviceable AHU Blower Drum and supply& fixing new AHU Blower Drum Complete all as specified and directed . |
| 191 | Taking down old unserviceable AHU Blower shaft and supply& fixing new AHU Blower shaft Complete all as specified and directed. |
| 192 | Taking down old existing MS pipes of 150 mm bore &supply, lay and welding MS pipes heavy grade with all fittings laid in floors or fixed to walls and ceilingsComplete all as specified and directed . |
| 193 | Taking down oldexisting MS pipesof 100 mm bore&supply, layand welding MS pipes heavy grade with all fittings laid in floors or fixed to walls and ceilingsComplete all as specified and directed . |
| 194 | Taking down old existing MS pipes of 80 mm bore &supply, lay and welding MS pipes heavy grade with all fittings laid in floors or fixed to walls and ceilingsComplete all as specified and directed . |
| 195 | Taking down old existing GI pipes of 80 mm bore ISI marked supply, lay ISI markedand welding GI pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of following sizes Complete all as specified and directed. |
| 196 | Taking down old existing GI pipes of 50 mm bore ISI marked supply, lay and welding GI pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of following sizes Complete all as specified and directed. |
| 197 | Taking down old existing GI pipes of 40 mm bore ISI marked supply, lay and welding GI pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of following sizes Complete all as specified and directed . |
| 198 | Removing the unserviceable liquid line valve of size 15 mm from the liquid line after pumping down the compressor & supply and fixing new liquid line valve 15 mm including connected works as required for smooth functioning of AC plants complete all as specified & directed . |
| 199 | Removing the unserviceable liquid line valve of size 25 mm from the liquid line after pumping down the compressor & supply and fixing new liquid line valve 25 mm including connected works as required for smooth functioning of AC plants complete all as specified & directed . |
| 200 | Removing unserviceable thermostat of central AC plant & supplying and fixing new thermostat of range 5 degrees centigrade to 25 degrees centigrade complete with all accessories all as specified & as directed . |
| 201 | Removing the unserviceable solenoid valve assembly 5/8\" flare size and Supply and fix new solenoid valve assembly 5/8\" suitable for AC plant of various capacities Complete all as specified and directed . |
| 202 | Removing the unserviceable solenoid coil and Supply and fixing new solenoid coil suitable for AC plant of various capacities Complete all as specified and directed. |
| 203 | Removing the unserviceable chiller water sensor and supplying and fixing new chiller water Sensor of suitable capacity Complete all as specified and directed . |
| 204 | Removing the unserviceable pressure Sensor HP / LP / OP from and supplying and fixing new pressure Sensor of suitable capacity complet all as specified & directed. |
| 205 | Removing the unserviceable pressure gauges HP / LP / OP from existing position and supplying and fixing new pressure gauge of capacity 0 to 30 Kg / square centimeter complete with necessary accessories Complete all as specified and directed. |
| 206 | Removing the unserviceable water pressure gauges from water line & supplying and fixing new water meter up to pressure 0 to 7 Kg / square centimeter complete with all accessories Complete all as specified and directed. |
| 207 | Material and labour for scraping cleaning and preparation of external surface and painting complete installation at 2 X 7.5 TR (15 TR capacity) including compressor motor piping cooling tower condenser AHU and panel Board etc with two coats of synthetic enamel paint over a coat of red oxide zinc chromate primer as per ENCs colour code as given including writing to SM & MES numbers Complete all as specified and directed by Engineer- in-charge.Location : CCDT ND |
| 208 | All as per item No 207.00 above but of 3 x 40 TR (120 TR Capacity) Location : MWC Bldg. No.173 |
| 209 | All as per item No 207.00 above but for 2 x 50TR (100 TR Capaciry)AC Plant atNAD A-63 Naval Dockyard |
| 210 | All as per item No 207.00 above but for 2 x 60 TR (120 TR Capaciry) AC Plant atNAD TPW |
| 211 | Material and Labour for pipe insulation, cleaning the pipe surface with steel wire brush, apply one coat of zinc chromate paint and allowed to dry, apply two coats of cold setting adhesive compound on around surface of pipe, stick expanded Nitrile 50 mm thick or nitrile sheets tightly pressed, wrapped with one layer of aluminium cladding with 26 guage AL sheet suitable for covering the surface ofpipe line insulation for protection against the demage of PUF insulation slab complete for 250 mmbore pipe complete all as specified and directed.. |
| 212 | Ditto-all as per item No 211.00 above but 200 mmbore. |
| 213 | Ditto-all as per item No 211.00 above but 150 mmbore. |
| 214 | Ditto-all as per item No 211.00 above but 125 mmbore. |
| 215 | Ditto- all as per item No 211.00 above but 100 mmbore. |
| 216 | Ditto-all as per item No 211.00 above but 80 mmbore. |
| 217 | Ditto-all as per item No 211.00 above but 65 mmbore. |
| 218 | Ditto-all as per item No 211 above but 50 mmbore |
| 219 | Ditto-all as per item No 211.00 above but 40 mmbore |
| 220 | Suuply and fixing in repairs volume control damper made out of galvanized ironor anodized aluminium with overlapping leafs to avoid any leakage from the damper as per existing at site complete all as specified and directed . |
| 221 | Suuply and fixing in repairs leather type canvas inAHU ductof any size as per existing at site Complete all as specified and directed. |
| 222 | Taking down (GI/AL) or any other type of false ceiling/ perforted board and Material and labour new perforted sheet of size 2x2 sqft complete all as specified and directed by Engineer- in-charge. |
| 223 | Supply and fixing in replacement of MCCB 4 pole, 415V, Adjustable type, 400 Amps with breaking capacity 36 KA complete all as specified and directed . |
| 224 | Supply and fixing in replacement of MCCB 4 pole, 415V, Adjustable type, 250 Amps with breaking capacity 36 KA complete all as specified and directed . |
| 225 | Supply and fixing in replacement of MCCB 4 pole, 415V, Adjustable type, 200 Amps with breaking capacity 36 KA complete all as specified and directed . |
| 226 | Supply and fixing in replacement of MCCB 4 pole, 415V, Adjustable type, 160 Amps with breaking capacity 36 KA complete all as specified and directed . |
| 227 | Taking down old u/s AHU bodyand S and F of factory fabricated double skin power coated25mm puf insulatedfor AHU bosy including proper door handles ,corner supports cuttings, blending, welding/ brazing, wooden work, sturtural supportcomplete all as specified and directed. |
| 228 | Supply and fixing in repairs AHU cooling coil of any sizeand any rows as per existing at site complete all as specified and directed. |
| 229 | Supply and fixing in replacement of sluice valves 80 mm boreflanged end, cast iron body, flanged and drilled and non rising stainless steel spindle with hand wheel, T head bolt and nut, long body, class PN 1.6 conforming to IS 14846 of 2000 including all flange joint with rubber gasket or fiber board, nut and washers complete incl accessories completeall as specified and directed |
| 230 | Supply and fixing in replacement of sluice valves 100mm boreflanged end, cast iron body, flanged and drilled and non rising stainless steel spindle with hand wheel, T head bolt and nut, long body, class PN 1.6 conforming to IS 14846 of 2000 including all flange joint with rubber gasket or fiber board, nut and washers complete incl accessories complete all as specified and directed |
| 231 | Replacement of old unserviceable thermostat with new thermostat suitable(-)18 deg C to (-) 23 deg C cold storage plant complete all as specified and directed . |
| 232 | Removing old unserviceable pilot solenoid valveassembly and providing new pilot solenoid valve assembly for cold room complete all as specified and directed. |
| 233 | Material and labour for replacement ofold unserviceable temprature indicator complete all as specified and directed . |
| 234 | M&L in replacement of liquid line filter complete all as specified and directed . |
| 235 | Material and labour for replacement of old unserviceable Filter drier complete all as specified and directed . |
| 236 | Material and labour for expansion valve suitable for -18 deg Cto -23 deg C after removing unserviceable expansion valve in cold roomcomplete all as specified and directed. |
| 237 | Supply and fixing single phase preventorcomplete all as specified and directed . |
| 238 | Replacement of starting capacitor 120MFD after removing old unserviceable capacitor complete all as specified and directed |
| 239 | Supply and fixing in repairs Gate Valve of 40 mm Borecomplete all as specified and directed |
| 240 | Supply and fixing flexible cord type Drain line Silicon Heaterwith insulation 60watt for cold room complete all as specified and directed |
| 241 | Supply and fixing in replacement of factory made and factory assembled outdoor unit for walk in chiller with air cooled split type chiller refrigeration unit of capacity 30,000 BTU per hr with scroll hermatically compressor based non CFC R404a refrigerentto maintain inside room temperature -18ºC to -23ºC suitable for product load 10MT. |
| 242 | Removing of old unserviceable heating coil as per suitable dia and liquid length with super lone insulation over the pipe for drainage of cold room complete all as specified and directed |
| 243 | Material and labour for digital thermometer for temperature suitable for cold room after removing old unserviceable thermometer complete all as specified and directed |
| 244 | Material and labour for LP/HP Cut out of cold room after removing to unserviceable LP/HP cut out complete all as specified and directed |
| 245 | Replacement of running capacitor 36 MFD/45 MFD after removing old unserviceable running capacitors complete all as specified and directed |
| 246 | Supply, installation & testing in replacement of FRP construction, Induced Draft, Counter flow /Cross flow Cooling Towers (single / multicell as mentioned below), complete with FRP basin, honeycomb design PVC fill, drift eliminators, hot water distributors, low noise adjustable pitch propeller type fan of FRP & Belt Driven along with casing, coupled with TEFC Squirrel cage induction motor weather-proof with cowl for outdoor installation. Basin shall be provided with accessories like quickfill, makeup & drain pipes, Pvc construction float valve, overflow pipe etc. Motor shall be suitable for 415V ± 10%, 50Hz ± 5%, 3-phase AC supply. Motor shall be suitable for VFD operation i.e. motor suitable for any low voltage & low frequency range due to speed variation through VFD without heating and noise generation. Separate motor shall be provided in each cell in case of multi cell towers. The fan / fan motor shall be isolated from the cooling tower structure . Each tower/ each cell shall be complete with its suitable HDG Steel ladder with safety cage as per specifications. The cooling tower shall be certified for test procedure as per CTI STD-201. (i) Motors shall be TEFC, Squirrel cage induction motors, IP 66, Class F insulation.(ii)Motor Effeciency shall be as per ECBC 2017: CBC: IE3 (iii) Cooling Towers Efficiency: As per Table 5.18 of ECBC-20171. The maximum allowable sound power at a distance of 3m from the equipment shall notbe more than 75 dB(A) without sound deflector cowls. 2. Necessary civil work such as cooling tower foundations &steel structural work for placing of cooling towers on terrace are excluded from the scope of work. But necessary foundation nuts / bolts & vibration isolation compression gasket between fan housing & FRP casing to be provided. 3.. Each Cellof the tower shall have HDG Steel ladder with safety cage .Cooling Tower Type 1: Weather conditions of site location (MOC Area, Colaba) Mumbai as mentioned following : *Summer DBT / *Summer WBT: 110°F | 75°F , Monsoon DBT /* Monsoon WBT: 95°F | 83°F, Wet bulb temp. to be considered for cooling tower sizing: 83°F, Cooling Tower Approach: 7°F,Condenser water OUT (Leaving Water Temp.) LWT: 89.6°F , Condenser water IN (Entering Water Temp.) EWT: 98.6°F ,Chiller capacity:60TR X 2 Nos = 120 TR, Cooling Tower capacity: As mentioned below, Condenser water flow rate: 4 USGPM X TR of Chiller Capacity, Cooling tower\"s capacity should be adequate for total heat rejection, which shall be the total chiller capacity (TR) plus the BHP of chiller motor (IKW of motor) i.e. motor heat., Cooling Tower as described above., 576 USGPM / 144 TR (20% Higher than chiller capacity),Supply and fixing in replacement of MVPD controller of capacity 30 to 220 Amps suitable for aux supply 230 VAC as per existing model for central AC plant complete all as specified and directed. |
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