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| 1 | Taking down defective /unserviceable Air Curtain (4 feet) of existing Make and capacity 1 to 1.5 m/sec air velocity at floor level, transporting to company authorized outlet , collectingcompany repaired Air curtain of same make andtransporting back to site , re-fixing at original position complete including testing and commissioning the machine onto the mounting plate and ensure the safety than fix it tighten with screw complete all as specified and directed by Engr-in-Charge. |
| 2 | Repair/Replacement of unserviceable blower motor, damaged blower, impellers unbalanced blower wheel of air curtain of capacity1 to 1.5 m/sec air velocity at floor level and remove, clean or replace air intake screen & filters of air curtain, obstruction in discharge path (i.e door headers, automatic door openers etc), check electrical connection, replace the fuse and servicing and overhauling complete unit specified and directed by Engr-in-Charge. |
| 3 | Supply and fix in replacement cooling tower Fan Assembly with low speed fan with noise level not exceeding 75 dBa made out of propeller type light weight solid/ hollow FRP rust resistant with statically and dynamically balanced blades suitable for 61 to 120 TR capacity AC plants. |
| 4 | Supply and fix in replacement cooling tower Fan Assembly with low speed fan with noise level not exceeding 75 dBa made out of propeller type light weight solid/ hollow FRP rust resistant with statically and dynamically balanced blades suitable for upto 60 TR capacity AC plants. |
| 5 | M&L for replacement of PVC fins suitable for any capacity and any make Cooling tower of AC plants of 2X1X0.6 feet having LPS fills with tie rod and turn buckle of suitable size to match the system complete all as specified and directed by Engr-in-Charge. |
| 6 | Cleaning the cooling tower by applying wire brush, washing powder and other solvent by removing the deposited impurities such as silt, dust particles mud/ sand inside the dome and around the fins, cleaning of base tray & grills, pot strainer, main shaft etc and other connected items, servicing of fan motor including changing of bearingsand greasing refixing the fan, frill & top cover including testing commissioning after reassembling complete including painting all as directed by Engr-in-Charge . |
| 7 | (a) cooling tower of capacity up to 35 TR |
| 8 | (b) cooling tower of capacity 35 TR to 65 TR |
| 9 | (c) cooling tower of capacity 66 TR to 250 TR |
| 10 | Supply and fix in repairs Sprinkler Assembly complete with Header Nozzles made out of Galvanised iron suitable to fix in cooling towers of 61 TR and above Capacity AC plant. |
| 11 | Supply and fix in repairs Sprinkler Assembly complete with Header Nozzles made out of Galvanised iron suitable to fix in cooling towers of 51 to 60 TR capacity AC plants. |
| 12 | Supply and fix in repairs Sprinkler Assembly complete with Header Nozzles made out of Galvanised iron suitable to fix in cooling towers of below 30 TR capacity AC plants. |
| 13 | M&L for Charging of refrigerant gas R- 407c/ R134/R22 in sealed cylinder after making system leak proof complete all as specified and as directed. |
| 14 | Supply and fixing of filter drier for chiller as per existing make and model complete all as specified and directed. |
| 15 | AIR TERMINALS: S & F of supply / return / exhaust air grilles /of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core complete all as specified and directed by Engr-in-Charge. Make: Ruskin, Titus, Air Flow, System Air, Caryaire |
| 16 | Servicing of cooling coils and air filters of AHUs installed at air conditioning plant by removing air filters and fixing back after cleaning with air blower and water and cleaning agent , cleaning of cooling coil with wire brush and air blower and water spray pump after spraying scale gun orequivalent chemical suitable for aluminium fins and straighten the fins of cooling coil by using suitable brush for capacity upto 10000 CFM. |
| 17 | Servicing of cooling coils and air filters of AHUs installed at air conditioning plant by removing air filters and fixing back after cleaning with air blower and water and cleaning agent , cleaning of cooling coil with wire brush and air blower and water spray pump after spraying scale gun orequivalent chemical suitable for aluminium fins and straighten the fins of cooling coil by using suitable brush for capacity 10000 CFM to 20000 CFM. |
| 18 | M & L for repairs to condenser of AC plant by blocking the damaged/corroded tubes involving following activities:-(i) Disconnecting the side covers of the condenser from their existing positions. (ii) Leakage testing of the condenser using pressurised nitrogen gas and finding the leaked tubes.(iii) Blocking the damaged/leaked tubes by brass plugs.(iv)Re-fixing the side covers of the condenser and the condenser valves from their existing positions with new nuts, bolts, rubber gasket and washers etc and painting the surface with approved shade of synthetic enamel paints for following capacities of condenser :- |
| 19 | (a) upto 25 TR Capacity |
| 20 | (b) 26 to 50 TR capacity |
| 21 | (c) 51 to 130TR capacity |
| 22 | Supply and fix regenerable coarse type, dust proof for following sizes:- |
| 23 | (a) AHU filter of size 60cm x 60 cm x5 cm |
| 24 | (b) AHU filter of size 60cm x 50 cm x 5 cm |
| 25 | (c)AHU filter of size 60cm x 40 cm x 5 cm |
| 26 | (d) AHU filter of size 60cm x 30 cm x 5 cm |
| 27 | Dismantlingand removing old U/S compressor sealed unit of Scroll Type Compressor carefully and supply, installation, testing new sealed Compressor unit of capacity 12.5 TR Model No SZ185S4RC of Make Blue Star/ Danfossor equivalent complete with all standard accessories as per existing model installed at AC plant. Note:- (i)Sealed unit shall be purchased from authorised dealers/agents. (ii)Cost of labour, fixing of compressor alongwith initial charging of refrigerant & T & P shall be deemed to include in the quoted rate ofthis item.(iii) Unit rate quoted shall include for the necessary electrical check i.e checking of panel wiring to run the compressor smoothly.(iv)Before opening/ dismantling the compressor the Freon gas to be taken in empty cylinder by the help Ice or as directed by Engr-in-Charge. |
| 28 | Dismantlingand removing old U/S compressor sealed unit of Scroll Type Compressor carefully and supply, installation, testing new sealed Compressor unit of capacity 10 TR as per existing model of Make Blue Star/ Danfossor equivalent complete with all standard accessories as per existing model installed at AC plant. Note:- (i)Sealed unit shall be purchased from authorised dealers/agents. (ii)Cost of labour forfixing and testing of leakagealongwith initial charging of suitable refrigerant (R-407)& T & P shall be deemed to include in the quoted rate of this item. (iii) Unit rate quoted shall include for the necessary electrical check i.e checking of panel wiring to run the compressor smoothly.(iv)Before opening/ dismantling of unserviceable compressor the refrigerantto be taken in empty cylinder as directed by Engr-in-Charge. |
| 29 | M & L for rewinding of induction motor 900RPM, 3 phase, 50 Hz, 415 volt of compressor motor and AHU Blower , chillers , condenser motor comprising of the following activities for induction motor of following capacitiescomplete all as specified and directed as per manufacturer\"s instructions.(i) Disconnecting and removing the electric motor from installed position and loading unloading, transporting to authorised/approved work shop(ii) Dismantling existing burnt winding from the motor and rewinding complete with super enamelled copper winding wire of existing gauge including all material such as insulated paper sleeves tape varnish etc complete for class F insulation and including shaft metalizing, bearing cover slieving , necessary replacement of cooling fan, nut-bolt etc(iii) Loading, unloading and transporting motor & reinstalling in position and in alignment including electric connection commissioning and testing in actual working condition for 8 hours continuously to check the performance on full load and designed RPM to the complete satisfaction of Engr-in-Charge all as specified and directed (iv) M&L for replacement of 02 Nos of suitable size of ball bearing of existing size of the following type and capacity of induction motor :- |
| 30 | (a) Induction Motor of Capacity 20 HP |
| 31 | (b) Induction Motor of Capacity 15 HP |
| 32 | (c) Induction Motor of Capacity 10 HP |
| 33 | (d) Induction Motor of Capacity 7.5 HP |
| 34 | (e) Induction Motor of Capacity 5 HP |
| 35 | (f) Induction Motor of Capacity 3 HP |
| 36 | (g) Induction Motor of Capacity 2 HP |
| 37 | Supply and fix in replacement power contactor 3 pole, type ML-1.5 with 2 NO + 2 NC aux contracts with standard coil voltage 415 volts, rating 25 Amp of make M/s L & T / M/s Havells / M/s Siemens all as specified and directed. |
| 38 | Supply and fix in replacement power contactor 3 pole, type ML-2 with 2 NO + 2 NC aux contracts with standard coil voltage 415 volts, rating 32 Amp as per cat No 90701 of make M/s L & T / M/s Havells / M/s Siemens all as specified and directed. |
| 39 | Supply and fix in replacement power contactor 3 pole, type ML-3 with 2 NO + 2 NC aux contracts with standard coil voltage 415 volts, rating 40 Amp as per cat No 90721 of make M/s L & T/ M/s Havells / M/s Siemens all as specified and directed. |
| 40 | Supply and fix in replacementbimetal overload relay type MN-02 of relay range, 4.5 to 7.5 Amp with single phasing protectionof make M/s L&T / M/s Siemens/ M/s Havells all as specified and directed. |
| 41 | Supply and fix in replacement bimetal overload relay type MN-02 of relay range, 9 to 15 Amp with single phasing protectionof make M/s L&T or equivalent make of M/s Siemens/ M/s Havells all as specified and directed. |
| 42 | Supply and fix in replacementbimetal overload relay type MN-02 of relay range, 14 to 23 Amp with single phasing protectionof make M/s L&T or equivalent make of M/s Siemens/ M/s Havells all as specified and directed. |
| 43 | Supply and fix in replacementbimetal overload relay type 3UA of relay range, 4.5 to 7.5 Amp with single phasing protectionof make M/s Seimens or equivalent make of M/s L&T/ M/s Havells all as specified and directed. |
| 44 | Supply and fix in replacement electronic timer 800SQA Make M/s Selec/GIC/Siemens/ M/s Havellsworking voltage 240V 50 Hzall as specified and directed. |
| 45 | S&F in replacement Air break contactor Model No 3TS3500-0A with Auxiliary 3TX400--2A 1 NC 415 V, 50 Hz, AC make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed. |
| 46 | S&F in replacement Air break contactor Model No 3TS3400-0A with Auxiliary 3TX400--2A 1 NC 415 V, 50 Hz, AC make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed. |
| 47 | S&F in replacement Air break contactor Model No 3TS3200-0A with Auxiliary 3TX400--2A 1 NC 415 V, 50 Hz, AC make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed. |
| 48 | S&F in replacement Air break contactor Model No 3TS3000-0A with Auxiliary 3TX400--2A 1 NC 415 V, 50 Hz, AC make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed. |
| 49 | Supply and fix in replacementpower contactor 3 pole, type MNX 12, 1NO + 1 NC aux contracts with standard coil voltage 240 volts, raring 30 Amp of make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed by Engr-in-Charge. |
| 50 | Supply and fix in replacementpower contactor 3 pole, type MNX 18, 1NO + 1 NC aux contracts with standard coil voltage 240 volts, raring 30 Amp of make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed by Engr-in-Charge. |
| 51 | Supply and fix in replacementpower contactor 3 pole, type MNX 22, 1NO + 1 NC aux contracts with standard coil voltage 240 volts, raring 30 Amp of make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed by Engr-in-Charge. |
| 52 | Supply and fix in replacementpower contactor 3 pole, type MNX 32, 1NO + 1 NC aux contracts with standard coil voltage 240 volts, raring 30 Amp of make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed by Engr-in-Charge. |
| 53 | Supply and fix in replacementpower contactor 3 pole, type MNX 40, 1NO + 1 NC aux contracts with standard coil voltage 240 volts, raring 30 Amp of make M/s L&T / M/s Havells/Siemens/Standara / legrandall as specified and directed by Engr-in-Charge. |
| 54 | Supply and fixing MCB SP 6 To 32 amp rating 240V, 10KA \"C\" curvecomplete all as specified and directed by Engr-in-Charge. |
| 55 | Supply and fixing MCBSPN 32 AMPrating 240V, 10KA \"C\" curvecomplete all as specified and directed by Engr-in-Charge. |
| 56 | Supply and fixing MCB SPN 40 to 63 AMP rating 240V, 10KA \"C\" curvecomplete all as specified and directed by Engr-in-Charge. |
| 57 | Supply and fixing MCB TP 40 To 63 AMP 415V 10KA \"C\" curvecomplete all as specified and directed by Engr-in-Charge. |
| 58 | Supply and fixing MCB TPN 16 to 32 AMP415V 10KA \"C\" curvecomplete all as specified and directed by Engr-in-Charge. |
| 59 | Supply and fixing MCBTPN 40 to 100 AMP 415V 10KA \"C\" curvecomplete all as specified and directed by Engr-in-Charge. |
| 60 | S&F in replacement MCCB 3 Pole, 415 V, fixed type, 25 to 100 Amps with breaking capacity 16 KAall as specified and directed by Engr-in-Charge. |
| 61 | S&F in replacement MCCB 3 Pole, 415 V, fixed type, 63 to 400 Amps with breaking capacity 36 KAall as specified and directed by Engr-in-Charge. |
| 62 | S&F in replacementMCCB 4 Pole, 415 V, Adjustable type, 160Amps with breaking capacity 36 KA all as specified and directed by Engr-in-Charge. |
| 63 | S&F in replacementMCCB 4 Pole, 415 V, Adjustable type, 400Amps with breaking capacity 36 KA all as specified and directed by Engr-in-Charge. |
| 64 | Supply, assembly and erection in repair of GI sheet with C & SS rectangular/square duct made out of L shaped hollow profile, duly factory boxed, incl all accessories such as corner, cleat, carraige bolt, gasket and appropriate sealant on longitudinal joint etc complete of size 24 gauge. |
| 65 | M & L in repair for duct insulation with resin bonded fibre glass wool roll of density 24 Kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation 50 mm all as specified and including the following :-(a) M & L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of milllscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage.(b) M & L for applying rubber based adhesive CPRX compound.(c) M & L for sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50 mm wide, to make the insulation leakproof.(d) M & L for securing the insulation with and including mechanically fastened nylon / steel straps of size 12 mm / 50 mm at maximum intervals of 1.2 mtr. |
| 66 | M & L in repair for duct insulation with resin bonded fibre glass wool roll of density 24 Kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation 40 mm all as specified and including the following :-(a) M & L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of milllscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage.(b) M & L for applying rubber based adhesive CPRX compound.(c) M & L for sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50 mm wide, to make the insulation leakproof.(d) M & L for securing the insulation with and including mechanically fastened nylon / steel straps of size 12 mm / 50 mm at maximum intervals of 1.2 mtr. |
| 67 | Supply and fix in repairs Auto capacity regulator solenoid valve of Make : Rotex, 220V, 50Hz or equivalent in Avcon, Accel cat part No 50 including connecting of interlock wiring, nut, bolt, wahser etc all as specified and directed by Engr-in-charge |
| 68 | Supplyand fix in repairs Coil for solenoid vlave SP-180 cat part No 50-A of Make : Accel, Sporlan,Rotex connecting into liquid line including interlock wiring, nut, bolt , washer etc all as specified and directed by Engr-in-Charge. |
| 69 | Supply and fix in replacement of thermostatic expansion valve of suitable capacity HVE size for keep a constant superheat or refrigerant level situation in refrigeration system based on evaporator outlet temperature and pressure. |
| 70 | Supply and fix in replacement of thermostatic expansion valve of suitable capacity MVE size for keep a constant superheat or refrigerant level situation in refrigeration system based on evaporator outlet temperature and pressure. |
| 71 | M&L for descaling of complete condenser/Chiller units Quaterly for central/ package type AC plants of following capacities by means of adding descaling chemical solution (HCL) or equivalent into the cooling tower sump as per requirements, and running the plant pump continuously till all the scale of pipes/shell are removed including removing side covers of condenser and cleaning the water tubes by means of nylon brushes till the scaling is removed and re fixing of covers including replacement of neoprenerubber gasket and refixing pipe connection etc. all as specified and directed to complete satisfaction of Engr-in-Charge |
| 72 | (a)condenser unit of AC plantup to 60 TR |
| 73 | (b)condenser unit of AC plant60 TR to 120 TR |
| 74 | S & F in repairs of Motor and Voltage protective device as per existing make and type complete all as specified and directed |
| 75 | (a) MVPD EC 5-30 A |
| 76 | (b) MVPD EC 30-220A |
| 77 | (c) Micro VPD(Split) 360-500V AC |
| 78 | Supply and fix Microprocessor Scroll Controller for compressor of 11-20 TR Capacity including removing unserviceable of Microprocessor complete all as specified and directed by Engr-in-Charge. . |
| 79 | Supply and fix Microprocessor Scroll Controller for compressor of 21-30 TR Capacity including removing unserviceable of Microprocessor complete all as specified and directed by Engr-in-Charge. . |
| 80 | Supply and fix Microprocessor Scroll Controller for compressor of 31-40 TR Capacity including removing unserviceable of Microprocessor complete all as specified and directed by Engr-in-Charge. . |
| 81 | Supply and fix Microprocessor Scroll Controller for compressor of 41-78 TR Capacity including removing unserviceable of Microprocessor complete all as specified and directed by Engr-in-Charge. . |
| 82 | Supply and fix Microprocessor Scroll Controller for compressor of 79-100 TR Capacity including removing unserviceable of Microprocessor complete all as specified and directed by Engr-in-Charge. . |
| 83 | Supply and fix in replacement of Single phase preventor type SPP VSP3 3 phase, 415 Volts, 50 Hz AC complete all as specified and directed by Engr-in-Charge. . |
| 84 | Supply and fix in replacement of CVT for chiller controller power supply 3 phase, 415 Volts, 50 Hz ACcomplete all as specified and directed by Engr-in-Charge. . |
| 85 | Supply and fixing of connector in HVAC panel 6 Amp to 35 Amp complete all as specified and directed by Engr-in-Charge. |
| 86 | M & L for repair of condenser pump/ chiler pump any typeincluding replacement of impeler and bearings both side , replacement of main saft, outer body of the pumpof following capacitiescomplete all as specifiedas per manufacturer\"s instructions and directed by Engr in charge. |
| 87 | (a) chiler/condenser pump of Capacity 12.5 HP |
| 88 | (a) chiler/condenser pump of Capacity 10 HP |
| 89 | (b) chiler/condenser pump of Capacity 7.5 HP |
| 90 | (c) chiler/condenser pump of Capacity 5 HP |
| 91 | Supply and Fix in replacement MS ERWtubing medium grade 65mm dia for condenser water circulation pipes complete all as specified and directed by Engr-in-Charge. |
| 92 | Supply and Fix in replacement MS ERWtubing medium grade 80mm dia for condenser water circulation pipes complete all as specified and directed by Engr-in-Charge. |
| 93 | Supply and Fix in replacement MS ERWtubing medium grade 100mm dia for condenser water circulation pipes complete all as specified and directed by Engr-in-Charge. |
| 94 | M & L for Nitrogen leak test entire system of the AC plant of Cap upto 150 TRwith Nitrogen gas. If found any leakage or reduction in the scale of pressureshall located and arrest the leakage immediately by soldering or an appropriate measure are to be taken to top the leakage permanentlycomplete all as specified & directed by Engr-in-Charge. |
| 95 | Supply and fix in replacement of3-way valve of different size and capacity installed at different location all as specified and directed by Engr-in-Charge. Notes :(a) Design and Calculation of Each valve should be submit and approved before procurement.(b) The selected valve should have a pressure drop that is large enough to ensure that the operation of the valve will have necessary impact on flow variation.(c)Valve authority should be between 30-50% (calculation of this should be submit before procurement.)(d) Calculation of Cv value and valve authority should be submitted.(e) The selected size of valve should not be less that half of the pipe.(f) Pattern of valve 3 way, kvs - 63 m3/h,fluid- cold, warm water, Flow emp 0 to 150°C |
| 96 | (a) 50 mm |
| 97 | (b) 65 mm |
| 98 | (c) 80 mm |
| 99 | (d) 100 mm |
| 100 | S & F in replacement of Non return single plate check valve is designed for return flow prevention in pipeline installation of size 100 mm dia, cast iron body for water delivery linecomplete all as specified and directed by Engr-in-Charge. |
| 101 | S & F in replacement of Non return single plate check valve is designed for return flow prevention in pipeline installation of size 80 mm dia, cast iron body for water delivery line complete all as specified and directed by Engr-in-Charge. |
| 102 | S & F in replacement of Non return single plate check valve is designed for return flow prevention in pipeline installation of size 63 mm dia, cast iron body for water delivery line complete all as specified and directed by Engr-in-Charge. |
| 103 | S & F in replacement of butter fly valve of 50 mm dia, cast iron body, integrally molded close and body construction with hand lever, operated and rating of PN 10 with thermal insulation as per requirement of condensser and chilled water line complete all as specified and directed by Engr-in-Charge. |
| 104 | S & F in replacement of butter fly valve of 65 mm dia, cast iron body, integrally molded close and body construction with hand lever, operated and rating of PN 10 with thermal insulation as per requirement of condensser and chilled water line complete all as specified and directed by Engr-in-Charge. |
| 105 | S & F in replacement of butter fly valve of80 mm dia, cast iron body, integrally molded close and body construction with hand lever, operated and rating of PN 10 with thermal insulation as per requirement of condensser and chilled water line complete all as specified and directed by Engr-in-Charge. |
| 106 | S & F in replacement of butter fly valve of 100 mm dia, cast iron body, integrally molded close and body construction with hand lever, operated and rating of PN 10 with thermal insulation as per requirement of condensser and chilled water line complete all as specified and directed by Engr-in-Charge. |
| 107 | S & F in replacement of gun metal gate or globe valve of 15 mm dia with iron wheel head screwed both ends for iron pipes complete all as specified and directed by Engr-in-Charge. |
| 108 | S & F in replacement of gun metal gate or globe valve of 25 mm dia with iron wheel head screwed both ends for iron pipes complete all as specified and directed by Engr-in-Charge. |
| 109 | S & F in replacement of 15 mm dia ball brass valve , high pressure, with polythene float and fly nuts complete, screw for iron pipe or brass ferrule and mixed complete all as specified and directed by Engr-in-Charge. |
| 110 | S & F in replacement of 25 mm dia ball brass valve , high pressure, with polythene float and fly nuts complete, screw for iron pipe or brass ferrule and mixed complete all as specified and directed by Engr-in-Charge. |
| 111 | S&F in repairs of Chilled water sensor as per existing make and type complete all as specified and directed |
| 112 | Supply and fix in replacement of flow switch as per existing make and model complete all as specified and directed. |
| 113 | M & L in repairs Strip heater finned 2 inch wide alluminised steel fins of 415 volt 1.5 to 3 KW capacity to match with the existing |
| 114 | Supply and fix in repairs pressure gauge of range 0-150 with syphon including syphon valve complete all as specified and directed by Engr-in-Charge. |
| 115 | Supply and fix in repairs pressure gauge of range 0-200 with syphon including syphon valve complete all as specified and directed by Engr-in-Charge. |
| 116 | Supply and fix in repairs pressure gauge of range 0-300 with syphon including syphon valve complete all as specified and directed by Engr-in-Charge. |
| 117 | S & F panel mounting 3.5 digital ammeter 3 pahse, 3 wire, Display type : red LED 14.2 MM (0.56\") with selector switch and suitable CT\"s for each phaseall as specified and directed by Engr-in-Charge. |
| 118 | Supply and fix in repairs in repair on-off push button pendants with elements red/green/orange all as specified and directed by Engr-in-Charge. |
| 119 | S&F in replacement V Belt of following sizes :- |
| 120 | (a)V Belt A-28 |
| 121 | (b)V Belt A-33 |
| 122 | (c)V Belt A-48 |
| 123 | (d)V Belt A-52 |
| 124 | (e)V Belt A-56 |
| 125 | (f)V Belt A-58 |
| 126 | (g)V Belt A-62 |
| 127 | (h)V Belt B-62 |
| 128 | (j)V Belt B-58 |
| 129 | (k)V Belt B - 68 |
| 130 | (l) V BeltB-73 |
| 131 | (m)V Belt B-79 |
| 132 | (n) V Belt B-92 |
| 133 | (o) V Belt B-98 |
| 134 | (p) V Belt B-105 |
| 135 | Dismantling/Taking down old unserviceable FRP body structure of cooling tower carefully and cleaning the sump with chemical and supply and fixing of new FRP sheets as per size existing at site including all fixing material such as m seal other water resistance adhesive and making the cooling tower structure leak proof complete all as specified and directed. |
| 136 | Taking down old unserviceable insulation over the chiller pipe line, cleaning water pipe surface with steel brush removing dirt/dust, Material and labourfor chilled pipe line insulation by applying a coat of zinc chromite primer & applying two coats of cold setting adhesive compound (CRPX) on pipes for sticking the insulation bonded mineral wool of density 144 Kg/cum, 50mm thikness tightly pressed on the pipe upto 250mm dia seal all the joint with adhesive compound warp the insulation surface by using one layer of polythene sheet 50mm wide PVC tape covering the entire surface with chicken mesh , of density 144 Kg/Cum and cover 26 gauge aluminium GI cladding of approved colour & cover with Glasswool complete all as specified and directed by Engr-in-Charge. |
| 137 | Supply and fix in repairs protection caps made out of GI Sheet of thickness 1.6 mm with three GI strip supports of size 25x3mm for fixing with the Cooling Tower including GI nuts & bolts for fixing all as specified and directed by Engr-in-Charge. |
| 138 | Supply and fixing of canvas housing suitable for existing connection AHU damperto Supply air Duct by Engr-in-Charge. |
| 139 | Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m. |
| 140 | Supplying and fixing in repairs of fire dampers in supply air duct/ main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required. |
| 141 | FRP INDUCED DRAUGHT COOLING TOWER - Supply, installation, testing and commissioning of Twin Cell FRP rectanguler shape, vertical, induced draught top discharge counter flow cooling tower of 125 TR size with uniform water distribution and optimal heat transfer, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity upto 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, energy efficient induced draught axial type fans with factory set and dynamically balanced blades pitch, IE3 TEFC squirrel cage induction motor, suitable for operation on 3- Ph, 415 V, 50 Hz AC supply with IP 65 protection for enclosure, conforming to IS 12615: 2018, inlet, outlet, drain and over-flow nozzle connections, etc. complete with accessories as specified and directed by the Engr-in-Charge. Make: Advance, MIHIR, Delta, National, PAHARPUR, POLO, CHOKSI NOTES:[i] Necessary civil work viz. foundation, supporting structure, etc. for replacement of cooling tower shall be deemed to be included in the scope of work (ii) Old Cooling tower shall be deposited to AGE E/M Store yard. (iii) Quated rate shall be included dismantling of existing cooling tower .Location : PCB Wksp |
