Military Engineer Services-MES has published Tender For Repairs And Maintenance Of Central And Package Type Ac Plants At Air Force Station Hakimpet.. Submission Date for this Tender is 13-12-2023. AMC of Air Condition Tenders in hakimpet Telangana. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 06-Dec-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 13-12-2023 |
| Sl. No. | Item Description |
| 1 | De-Scaling of the Condenser of 15 TR capacity Central Air Conditioning Plant by circulating De-scaling agent (HCL) through the condensers by forced feed type method by removing the end covers of the condensers carefully, cleaning each tube of the condenser internally by brushing without damaging the tubes and re-fixing back the end covers with new rubber gasket, nuts, bolts and washers and pressure testing complete all as specified and as directed by the Engineer-in-Charge. |
| 2 | Cleaning of the evaporator coil of 15 TR capacity central air conditioning plat with cleaning agent by forced feed method to remove the unwanted dust formed over the cooling coil fins without disturbing the mounting of the coils and greasing to the AHU blower bearing and tightening of all fasteners etc complete all as specified and directed by Engineer-in-Charge. |
| 3 | Description all as per Ser item No. 02 here-in-before but of 11 TR capacity package type air conditioning plant. |
| 4 | Taking out the burnt electric motor of capacity 3 to 5 HP from existing position, transporting to civil work shop, separating the stator and rotor housing, cutting and removing the existing winding of stator completely, cleaning the slots and rewinding with existing gauge of super enamelled copper winding wire with suitable insulation, applying insulation varnish and heating in heating chamber till completely dried and reassembling the motor including supply and replacement of DE(01 No.)&NDE(01 No) bearings (make: NBC / SKF / TATA), transporting back to site and re-installing in its original position including proper alignment for smooth running and testing on completion complete all as specified and directed by Engineer-in-Charge. |
| 5 | Description all as per Seritem No. 04 here-in-before but of capacity 15 to 25 HP |
| 6 | Material and labour for leak testing of complete refrigerant system of 15TR capacity central air conditioning plant by pumping down the refrigerant into empty cylinders, flushing out the entire system, replacing the damaged flare fittings, washers,"O"rings, gaskets, bracing etc for prevension of any leakages and leak testing by supply and charging with nitrogen gas, observing the pressure for a period of 24 hours for confirmation, flushing out the system, vacuumising and charging the required quantity of refrigerant and lubricant and testing the system complete all as specified and directed by Engineer-in-Charge. Note: Refrigerant gas and compressor oil for topping up will be measured and paid separately under relevant items of Sch "A". |
| 7 | Description all as per Seritem No. 06 here-in-before but of capacity 11 TR package type air conditioning plant |
| 8 | Material and labour for leak testing of complete refrigerant system of 30TR capacity central air conditioning plantby pumping down the refrigerant into empty cylinders, flushing out the entire system, replacing the damaged flare fittings, washers,"O"rings, gaskets, bracing etc for prevension of any leakages and leak testing by supply and charging with nitrogen gas, observing the pressure for a period of 24 hours for confirmation, flushing out the system, vacuumising and charging the required quantity of refrigerant and lubricant and testing the system complete all as specified and directed by Engineer-in-Charge. Note: Refrigerant gas and compressor oil for topping up will be measured and paid separately under relevant items of Sch "A". |
| 9 | Description all as per Ser item No.8 above but of capacity 16.5 TR capacity |
| 10 | De-Scaling of the Condenser of 30TR capacity central air conditioning plant (Make- Voltas) by circulating De-scaling agent (HCL) through the condensers by forced feed type method by removing the end covers of the condensers carefully, cleaning each tube of the condenser internally by brushing without damaging the tubes and re-fixing back the end covers with new rubber gasket, nuts, bolts and washers and pressure testing complete all as specified and as directed by the Engineer-in-Charge. |
| 11 | Description all as per Ser item No.10 above but of 16.5 TR capacity |
| 12 | Cleaning of the evaporator coil of AHU 3000 CFM of 30TR capacity central air conditioning plant (Make- Voltas) with cleaning agent by forced feed method to remove the unwanted dust formed over the cooling coil fins without disturbing the mounting of the coils and greasing to the AHU blower bearing and tightening of all fasteners etc complete all as specified and directed by Engineer-in-Charge. |
| 13 | Description all as per Ser item No.12above but of AHU 6000 CFM of 30TR capacity central air conditioning plant (Make :-Voltas). |
| 14 | Description all as per Ser item No.12 above but of of AHU 12000 CFM 16.5 TR capacity (Make :-Voltas). |
| 15 | Material and labour for complete checking and servicing of control wiring for the AC plant microprocessor based control panel and connected programmed safety features, safety switches/ cut-outs / thermostats etc, removing and re-terminating the burnt wires, checking of all contactors/contacts for proper auto functioning and rectifying the faults/ faulty components by replacing with new spares and setting the relays setting of programming of operating parameters and safety limits (if required) etc complete all as specified and directed by Engineer-in-Charge. Note : - Spares will be measured and paid separately under relevant items of Sch "A" |
| 16 | Taking out the defective pump set of capacity 3 to 5 HP of Make Beacon, Model DM3 from existing position by carefully disconnecting all water pipe lines and electrical cablesand carrying out overhauling by dismantling the pump casing, cleaning of the impeller and supply and replacement of Gunmetal bush (01 No), gland plate (01 No.) alongwith studs, nuts, gland packing rope, greasing and re-assembling and re-installing in its original position and testing on completion complete all as specified and directed by Engineer-in-Charge. |
| 17 | Description all as per Ser item No. 16 here-in-before but of capacity 7.5 HP of MakeBeacon, Model DM6 |
| 18 | Dismantling the compressor of Make of capacity 15 TR from installed position after disconnecting the suction and discharge refrigerant line, open the compressor for carrying out the repairs/ replacement of unserviceable parts, setting of valve reeds, valve plates, bearings, loading and unloading mechanism, pistons with rings, oil seals, oil pumps etc after carrying out necessary lathe work for grinding and polishing the worn out seatings/ housing of the compressor body and assembling with essential minor parts i.e. split pins, nuts, bolts, washers, rubber rings etc and fixing in its position including testing for proper functioning complete all as specified and directed by Engineer-in-Charge. |
| 19 | Dismantling the compressor of Make:Voltas, Model: CWCDR030 of capacity 30 TR from installed position after disconnecting the suction and discharge refrigerant line, open the compressor for carrying out the repairs/ replacement of unserviceable parts, setting of valve reeds, valve plates, bearings, loading and unloading mechanism, pistons with rings, oil seals, oil pumps etc after carrying out necessary lathe work for grinding and polishing the worn out seatings/ housing of the compressor body and assembling with essential minor parts i.e. split pins, nuts, bolts, washers, rubber rings etc and fixing in its position including testing for proper functioning complete all as specified and directed by Engineer-in-Charge. |
| 20 | Description all as per Ser item No.19 above but of Make: Voltas, Model: WCUR017 of capacity 16.5 TR. Note for item No. 18 to 20 - Major Spare Parts required for replacement, compressor oil and refrigerant gas shall be measured and paid separately as "supply / filling only" under relevant items of Sch "A". |
| 21 | Supply and fix water pressure gauge analog type 0-100 PSI, 4"" dia including taking down existing unserviceable pressure gauge complete all as specified and directed by Engineer-in-Charge. Make : - "H" Guru / Fiebig |
| 22 | Supply and fix pressure relief valve 0-350 PSI including taking down existing unserviceable pressure relief valve complete all as specified and directed by Engineer-in-Charge. (Make :-Indfos/ Danfos) |
| 23 | Supply and fixoil pressure gauge round, wall/ panel mounting type flanged 4"" dia, 0-300 PSI alongwith suitable brass adopter/ flare nuts including taking down existing unserviceable pressure gauge complete all as specified and directed by Engineer-in-Charge. (Make :- "H" Guru/ Fiebig) |
| 24 | Supply and fix low pressure gas gauge 0-150 PSI and 0 to -30 alongwith suitable brass adopter/ flare nuts including taking down existing unserviceable pressure gauge complete all as specified and directed by Engineer-in-Charge. (Make :-"H" Guru/ Fiebig) |
| 25 | Supply and fix high pressure gas gauge 0-300 PSI alongwith suitable brass adopter/ flare nutsincluding taking down existing unserviceable pressure gauge complete all as specified and directed by Engineer-in-Charge. (Make :- "H" Guru/ Fiebig) |
| 26 | Supply and fix thermostatic expansion valve suitable for 15 TR capacity central air conditioning plant including cutting and bracing including taking down existing unserviceable thermostatic expansion valve complete all as specified and directed by Engineer-in-Charge. (Make :-Sporlan / Indfos / Danfos) |
| 27 | Description all as per Seritem No. 26 here-in-before but of 11 TR capacity package type air conditioning plant. |
| 28 | Isolating/Disconnecting and dismantling of UNSV compressor 5.5TR capacity from package type AC unit and supply and fixing with new hermatically sealed scroll compressor of 5.5 TR cpacity including leak tesing and pressure testing, vaccumising and gas changing with R-22 refrigarent including testing etc, complete all as specified and directed by Engr-in-Charge. Make :- Samsung / Panasonic / Copeland or any other make as per existing. Note :- Refrigarent required to change the system shall be measured and paid seperately under respective item of Sch Á". |
| 29 | Taking down the existing unseviceable expansion valve supply and fixing new thermostatic expansion valve for 5.5TR capacity compressor complete all as specified and directed by the Engr-in-Charge. Make:- Alco /Copeland |
| 30 | Taking down the existing unserviceable catch all filter supply and fixing the new catch all filter 5/8" x 5/8" model No C-16M with all connected fittings, complete all as specified and directed. |
| 31 | Supply Only refrigerant gas R-22 for topping up complete all as specified and as directed by Engineer-in-Charge. |
| 32 | Supply Only refrigerant gas R-410a for topping up complete all as specified and as directed by Engineer-in-Charge. |
| 33 | Supply Only compressor oil Freezol 68 for topping up complete all as directed(Make : - HP/ Bharat /Indian Oil) |
| 34 | Supply and replace wall mounting type thermometer wet/dry bulb type complete all as specified and directed by Engineer-in-Charge. (Make :- Indfos / Danfos /ThermoX) |
| 35 | Supply and replace "V" belt A-28 complete all as specified and directed by Engineer-in-Charge. (Make :-Dunlop / Pix / Turboflex) |
| 36 | Supply and replace in repairs "V" belt B-68 complete all as specified and directed by Engineer-in-Charge. (Make :-Dunlop / Pix / Turboflex) |
| 37 | Supply and replace in repairs "V" belt B-74 complete all as specified and directed by Engineer-in-Charge. (Make :- Dunlop / Pix / Turboflex) |
| 38 | Supply and replace in repairs "V" belt B-78 complete all as specified and directed by Engineer-in-Charge. (Make :- Dunlop / Pix / Turboflex) |
| 39 | Supply and replace in repairs "V" belt B-110 complete all as specified and directed by Engineer-in-Charge. (Make :- Dunlop / Pix / Turboflex) |
| 40 | Supply and replace in repairs "V" belt C-80 complete all as specified and directed by Engineer-in-Charge. (Make :- Dunlop / Pix / Turboflex) |
| 41 | Supply only power contactor 3 pole, 415 volts, 50 Hz type ML-1(Make :-L&T or equivalent approved make) with auxiliary supply 240 Volts complete all as specified and directed by Engineer-in-Charge. |
| 42 | Description all as per Ser item No. 41 here-in-before but of type ML-2 |
| 43 | Description all as per Ser item No. 41 here-in-before but of type ML-3 |
| 44 | Description all as per Seritem No. 41 here-in-before but of type ML-6 |
| 45 | Supply Only power contactor 45 Amps, 4 pole, 415 volts, 50 Hz complete all as specified and directed by Engineer-in-Charge. |
| 46 | Supply Only Bakelite fuse carrier assembly with base 32 Amps rating complete all as specified and directed by Engineer-in-Charge. (Make :-Standard / HPL / C&S) |
| 47 | Description all as per Ser item No. 46 here-in-before but of 63 Amps rating |
| 48 | Supply Only HRC fuse 32 Amps rating, 415 Volts, 50 Hz complete all as specified and as directed.(Make : - Standard / HPL/ C&S) |
| 49 | Supply Only HRC fuse 63 Amps rating, 415 Volts, 50 Hzcomplete all as specified and as directed (Make : - Standard / HPL / C&S) |
| 50 | Supply Only push button flush headed Green/Red suitable for panel mounting complete all as specified and as directed.(Make :-L&T / C&S / HPL) |
| 51 | Supply Only LED pilot light indicator lamps R/Y/B, 230 Volts, 50 Hz complete all as specified and as directed. (Make :-L&T / C&S / HPL) |
| 52 | Supply Only Analog Ammeter, AC, 3Ph CT operated -/5A, accuracy class 1.0 for working on 240V AC auxiliary supply, 4"" x 4"" size,suitable for panel mounting complete all as specified and directed by Engineer-in-Charge. (Make :-L&T / AE / MECO / CONZERV) |
| 53 | Description all as per Seritem No. 52 here-in-before but of direct type of range 0-100A |
| 54 | Supply Only analog voltmeter, AC 3 Ph of size 4"" x 4"", accuracy class 1.0, suitable for panel mounting complete all as specified and directed by Engineer-in-Charge. (Make :-L&T / AE / MECO / CONZERV) |
| 55 | Supply Only indoor type, tape insulated ring type LT, 415 Volts, 50 Hz, AC Current Transformer of ratio 100 / 5 Amps of accuracy class 1.0 complete all as specified and directed by Engineer-in-Charge. (Make :-Kappa / AE / Legrand) |
| 56 | Description all as per item No. 55 here-in-before but of ratio 200 / 5 Amps. |
| 57 | Supply and replace Polyurethane (PU) Coiled Air Hose of size 8mm (OD), 5mm (ID) and standard linear length 15 Mtrsalongwith suitable push and pull adopter complete all as specified and directed by Engineer-in-Charge. (Make : - KBL or any other Make with ISI Mark) |
| 58 | Supply Only crank shaft suitable for compressor complete all as specified and as directed. Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 59 | Supply Only connecting rod suitable for compressor complete all as specified and as directed. Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 60 | Supply Only bearing for main shaft (pump end) suitable for compressor complete all as specified and as directedMake :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 61 | Supply Only bearing for main shaft (seal end) suitable for compressor complete all as specified and as directedMake :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 62 | Supply Only piston with pin and lock suitable for compressor complete all as specified and as directedMake : - ACCEL and Model: SMC 65 or its equivalent approved make. |
| 63 | Supply Only piston rings with oil ring and scrapper rings suitable for compressor complete all as specified and as directed Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 64 | Supply Only Cylinder liner assembly including valve guide ring & spring suitable for compressor complete all as specified and as directed Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 65 | Supply Only Suction/ discharge valve reeds suitable for compressor complete all as specified and as directed Make - : ACCEL and Model: SMC 65 or its equivalent approved make. |
| 66 | Supply Only discharge valve assemblysuitable for compressor complete all as specified and as directed. Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 67 | Supply Only oil regulating valve with dowty ring set suitable for compressor complete all as specified and as directed. Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 68 | Supply Only shaft seal assembly suitable for compressor complete all as specified and as directed . Make : - ACCEL and Model: SMC or its equivalent approved make. 65 |
| 69 | Supply Only oil pump assembly suitable for compressor complete all as specified and as directed. Make : - ACCEL and Model: SMC 65 or its equivalent approved make. |
| 70 | Supply Only loading and unloading solenoid coil 230 Volts suitable for compressor complete all as specified and as directed Make :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 71 | Supply Only complete gasket set suitable for compressor complete all as specified and as directedMake :-ACCEL and Model: SMC 65 or its equivalent approved make. |
| 72 | Supply and fix oil pressure cut out MP-55 model with flare nuts for 15 TR Central AC Plant including taking down of existing unserviceable pressure cut-out after pumping down the entire system complete all as specified and directed by Engineer-in-Charge. (Make :-Indfos / Danfos) |
| 73 | Description all as per Ser item No. 72 here-in-before but of high pressure cut out MP-5 model. |
| 74 | Description all as per Ser item No. 72 here-in-before but of low pressure cut out MP-1 model. |
| 75 | Supply and fixing pre filter for AHU of size 63 x 50x4.5 cm or nearest size as per existing one complete all as specified and as directed. |
| 76 | Supply and fixing micro filter for supply duct inlet of size 55x55x14 cm or nearest size as per existing one complete all as specified and as directed. |
| 77 | M&L for Painting of complete AC plant including compressor, cooling tower, motor, pipe line, any iron structure, installation board etc of any capacityinstalled at various locations with synthetic enameled paint over a coat of red oxide primer including writing of plant capacity, SM / MES no or other details as per existing complete all as specified and as directed. |
| 78 | Taking down the existing unserviceable MCCB 63 A, 16 KAand Supply, Fixing and testing of MCCB 4 pole 63 Amp, 16 KA capacity 415 volts rupturing capcity 16KA complete all as specified and directed. |
| 79 | Taking down the existing unserviceable MCCB 100 A, 25 KAand Supply, Fixing and testing of MCCB 4 pole 100 A, 25 KA capacity 415 volts rupturing capcity 16KA complete all as specified and directed. |
| 80 | Taking down the existing unserviceableMCCB 250 A, 35 KAand Supply, Fixing and testing of MCCB 4 pole 250 A, 35 KA capacity 415 volts rupturing capcity 16KA complete all as specified and directed. |
| 81 | Supply and fix, Thermal Over Load Relay type MN5, relay range 10-50Amp complete all as specified and as directed. Make :- L&T, ABB, Siemens, Legrand, Schneider as approved by GE. |
| 82 | Supply and fix , Sprinkler hub assembly/Nozzle assembly with PVC pipes including dummies from 15TR to 30TR capacity cooling towers complete all as specified and as directed. |
| 83 | Restoration of Electrical panel of AC plants by cleaning all the panels cubicles, required painting where ever necessary and taking out un servicable electrical parts, replacing with new control wiring /cables terminations, connectorsrequired electrcial parts shall be paid separately |
| 84 | M&L for repair of pump of capacity5 HP of Make Beacon, Model DM3 by taking out old pumps from existing position by carefully disconnecting all water pipe lines and electrical cables installing the same pump in its original position with required base foundation and testing on completion complete all as specified and directed by Engineer-in-Charge. |
| 85 | Supply Only various sizes of pillow block bearing suitable for 5000Cfm to 10000Cfm AHU complete all as specified and as directed. Nake : - SKF, NBC, Tata |
| 86 | Removing unserviceable existing fills from cooling tower and Supply and fixing new CPVC fills with honeycomb design including maintenance of basement of fills of any capacity cooling tower complete all as specified and as directed. |
| 87 | S&F in repairs, supporting system of air conditioning plant including all accessories of plants i.e. AHU, Pumps, Cooling tower, pipe lines etc., modification/alternation of existing elements using size of steel elements, plates, angles iron, flat, cross arms, bracing supports, clamps from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts in any shape or size including painting with two coats of synthetic enamel paint over a coat of primer complete all as specified and as directed. |
| 88 | Supply Onlycooling fan blades for motors of variouscapacities complete all as specified and as directed. |
| 89 | Taking down unserviceable shaft from centrifugal pumpset/ monoblock /AHU, carrying out welding and turning of shaft on lathe machine and refixing the same back in original location and testing of pumpset/motor complete all as specified and as directed. Note: Rate quoted shall be deemed to include the cost of taking shaft to workshop and back for carrying out repairs. |
| 90 | S&F in repairs, to cooling tower bottom by fibre reinforcing complete all as specified and as directed. |
| 91 | S&F in repairs, to cooling tower body by fibre reinforcing complete all as specified and as directed. |
| 92 | S&F in repairs, PVC side screen for cooling tower complete all as specified and as directed. |
| 93 | M&L forPCC 1:2:4 type B-2 using 40 mm graded stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed. |
| 94 | Dismantling and taking out unserviceable canvas cloth box from AHU unit, supply and fixing new canvas cloth boxincluding mild steel frames, refixing with new nuts, bolts, washers, gasket etc., testing complete all as specified and as directed. |
| 95 | Disconnecting blower shaft of AHU 7.5TR to 40TR capacity, taking out the defective shaft, remetalling,grinding, machining and balancing the shaft, refixing and realigning the blower including testing complete all as specified and as directed. Note :-Rate quoted shall be deemed to include cost of taking shaft to workshop and back |
| 96 | Taking down diffusers and return air ducts, cleaning of the dust particles by high pressure spray system till clearing of the dust on the diffusers and return air ducts,and subsequent cleaning using detergent water complete all as specified and as directed. |
| 97 | Dismantling and taking out unserviceable insulation, supply and fixing thermal insulation to exposed duct with fibre glass wool 50mm thick (Density 48Kg/Cum) covered with polythene sheet faced hessian cloth, GI chicken wire mesh, protected with 10mm thick cement plaster in cement mortar 1:4 and painted with two coats of cementbased paint complete all as specified and as directed. |
| 98 | Dismantling and taking out unserviceable insulation,supply and fixing thermal insulation to exposed duct with fibre glasswool 50mm thick (Density 48Kg/Cum), covered with GI chicken wire mesh and cladded with 28 SWG Aluminium sheet in unconditioned area complete all as specified and as directed. Make for item: - Spintex, FGP, Lloyds |
| 99 | Taking down non return valve from existing position, carrying out repairs to non return valves of sizes 65 to 100mm dia by opening cover plate, welding the disc, spindle, cleaning and refxing back to its original position ccomplete all as specified and as directed. |
| 100 | Disconnecting microprocessor based control panel of chiller package AC plant of capacity 15 Tr to 30TR, Make Voltas and removing unserviceable PCB, supply and fixing new PCB to microprocessor based control panel, refixing to chiller package and programming the entire panel for smooth functioning, testing complete all as specified and as directed. Note: Work shall be carried out through OEM after obtaining prior approval of Accepting Officer. Payment shall only be made upon production of paid voucher along test report. |
| 101 | Supplying, laying, jointing, testing and commissioning 1100 volts grade, 3.5core 120Sqmm LT XLPE insulated, as per IS-7098 (Part-I), 1988 galvanized steel strip or wire armoured, heavy duty, electric cables, with multistranded aluminium conductor laid in trenches/passing through pipe/duct/ road crossing or fixed on poles, walls with suitable size clamps made out ofmild steel flat iron including jointing material such as crimping type lugs, brass cable glands, heavy duty double compression type etc., including taking down old unserviceable cables complete all as specified and as directed. |
| 102 | Description all as per Ser item No101 above but 3 core 50 Sqmm. |
| 103 | Description all as per Ser item No101 above but 3 core 35 Sqmm. |
| 104 | Description all as per Seritem No101 above but 3 core 16 Sqmm. |
| 105 | Supply, laying, welding, fixing, leak proof testing and commissioning of 150 mm bore, medium grade mild steel ERW pipes conforming to IS 1239 with bitumen wrap coating over the external surface of the pipe including necessary specials/fittings and taking down old unserviceable pipe complete all as specified and directed. Note: Excavation and earthwork will be measured and paid separately. |
| 106 | Description all as per Ser item No 105 above but for 100 mm bore of pipe but conforming to IS 1239 |
| 107 | Description all as per Ser item No 105 above but for 80 mm bore of pipe but conforming to IS 1239 |
| 108 | Description all as per Seritem No 105 above but for 50 mm bore of pipe but conforming to IS 1239 |
| 109 | Supply Only 50 mm dia Butterfly valve in CI body with integrally moulded liner of nitrile or EPDM, stainless steel disc & stem, lever operated, ISI marked including bolts, nuts and washers complete all as specified and as directed. |
| 110 | Description all as per Ser item no 109 above but 80 mm bore Butterfly Valve. |
| 111 | Description all as per Ser item no 109 above but 100 mm bore Butterfly Valve. |
| 112 | Supply Only 20 mm dia Gun metal, globe or gate valves with iron wheel head, ISI marked complete all as specified and as directed. |
| 113 | Description all as per Ser item No 112 above but 25 mm dia globe or gate valve. |
| 114 | Description all as per Ser item No 112 above but 40 mm dia globe or gate valve. |
| 115 | Description all as per Ser item No 112 above but 50 mm dia globe or gate valve. |
| 116 | Supply and fix 20 mm bore premium PTMT Ball valves, high pressure, with epoxy coated aluminium rod and high density plastic ball and fly nut complete all as specified and as directed. Make : - Prayag CAT No152 or equivalent as approved by GE |
| 117 | Supply and fix 25 mm bore premium PTMT Ball valves, high pressure, with epoxy coated aluminium rod and high density plastic ball and fly nut complete all as specified and as directed. Make : - Prayag CAT No153 or equivalent as approved by GE. |
| 118 | Supply Only mild steel flanges, thickness 6 mm, class"C" duly drilled holes with nuts, bolts, washers, rubber gasket etc., for 50 mm bore complete all as specified andas directed. |
| 119 | Description all as per Ser item No 118 above but for 80 mm bore. |
| 120 | Description all as per Seritem No 118 above but for 100 mm bore. |
| 121 | Description all as per Ser item No 118 above but for 150 mm bore. |
| 122 | Supply Only timer 0.3 to 30 Sec complete all as specified and as directed. Make: - GE, SIEMENS, L&T, C&S, SCHNEIDER |
| 123 | Disconnecting and removing of unserviceable pressure transeducer / sensor from the existing position, supply and fixing new pressure transeducer including testing complete all as specified and as directed. Make: - Danfoss /ALERTON |
| 124 | Disconnecting and removing of unserviceable oil sensor from chiller, supply and fixing new oil sensor including testing complete all as specified and as directed. Make: - Danfoss /ALERTON |
| 125 | Supply and fix High (micro) efficiency filters to remove dust particles down to 5 micron with minimum efficiency 99% when tested as per BS 6540 - Part I made out of non woven synthetic/polyester/polypropylene media sandwiched between HPDE mesh on one side for additional coarse filtration and aluminium expanded mesh on the other side for mechanical support, media is encased and sealed in sturdy aluminium for longer life including rubber gasket on flanged with final drop of 20mm Hg, approximate size 600 mm x 600 mm x303 mm complete all as specified and as directed. |
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