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Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹43.4 LAccepted-AOC | L1 | Accepted-AOC Being L1 bidder | |
| 2 | L2₹46.9 L+₹3.0 L (6.84%)Rejected-Finance 121 MADHAV SQUAR OPP AVANTIKA COMPLEX LIMDA LANE JAMNAGAR 361001 | JAMNAGAR | GUJARAT | 361001 | L2 | Rejected-Finance Being not L1 bidder | |
| 3 | L3₹47.6 L+₹3.6 L (8.29%)Rejected-Finance D NO 35 14 13 1 RP PETA GAVARA KANCHARAPALEM VISAKHAPATNAM 530008 | VISAKHAPATNAM | VISAKHAPATNAM | ANDHRA PRADESH | 530008 | L3 | Rejected-Finance Being not L1 bidder | |
| 4 | L4₹48.0 L+₹4.0 L (9.21%)Rejected-Finance DOOR NO 15 1 141 BHAVANA ENCLAVE 1 NEAR HOTEL GRAND BAY MAHARANIPETA NOWAROJI ROAD VISAKHAPATNAM 530002 | VISAKHAPATNAM | VISAKHAPATNAM | ANDHRA PRADESH | 530002 | L4 | Rejected-Finance Being not L1 bidder | |
| 5 | L5₹49.7 L+₹5.7 L (13.1%)Rejected-Finance | L5 | Rejected-Finance Being not L1 bidder |
| Sl No | Description | Qty | Unit | SRIESWARI ENTERPRISES L4 | Sri Jaya Surya Techs L1 | M/S CHANDRA ENGINEERS AND CONTRACTORS L3 | SRIVALLI ENGINEERS L6 | SAI ENGINEERING WORKS L5 | suresh electricals L2 |
|---|---|---|---|---|---|---|---|---|---|
| 1.00 | M&L for carrying out descaling of shells and tubes of water cooled type condenser of capacity 12.5 TR & of make Voltas / Bluestar once in every 3 months by disconnecting the inlet and outlet water connections and providing dummy to the inlet and outlet, descaling the condenser by circulating the circulated descaling agent R-111 or equivalent chemical or organic compound at proper ratio circulated chemical till removal of complete scale deposited inside the copper tubes, opening both end cover by condenser, brushing the copper tubes with appropriate size nylon brush, removing complete scale and flushing out the tubes & degreasing with caustic soda solution & flushing and boxing up both end covers, connecting up the water inlet & outlet connections including replacement of damaged rubber gaskets and leak testing the joints for water leakage complete all as specified and directed. | 9 | Each Job | 8,400 ₹75,600 | 8,200 ₹73,800 | 8,250 ₹74,250 | 9,350 ₹84,150 | 8,300 ₹74,700 | 7,700 ₹69,300 Lowest |
| 2.00 | All as per Sl item No. 1.00 here in before but capacity of 25 TR | 9 | Each Job | 8,400 ₹75,600 | 8,400 ₹75,600 | 8,250 ₹74,250 Lowest | 8,850 ₹79,650 | 8,500 ₹76,500 | 8,550 ₹76,950 |
| 3.00 | All as per Sl item No. 1.00 here in before but capacity of 70/80 TR | 18 | Each Job | 9,100 ₹1,63,800 | 9,100 ₹1,63,800 | 8,875 ₹1,59,750 Lowest | 9,250 ₹1,66,500 | 9,300 ₹1,67,400 | 9,450 ₹1,70,100 |
| 4.00 | All as per Sl item No. 1.00 here in before but capacity of 150 TR | 18 | Each Job | 9,500 ₹1,71,000 | 9,600 ₹1,72,800 | 9,250 ₹1,66,500 Lowest | 9,550 ₹1,71,900 | 9,750 ₹1,75,500 | 9,920 ₹1,78,560 |
| 5.00 | M&L for carrying out leak testing of chiller type system of capacity 12.5 TR & of make Voltas / Blue star by extracting the existing available gas from system to separate cylinder, storing and pressure testing the complete system with dry nitrogen and checking the leaks, identifying the leaks, rectification of leaks by brazzing / welding at the leak points / replacing by damaged valve gland package / gasket etc and after rectification of all the leaks, pressure testing the complete system up to 300 PSIG at high side, 200PSIG at low side of the system, holding the pressure for 24 hrs and vaccumising the complete system after releasing the dry nitrogen and charging the refrigerent gas to system and testing & comissioning the plant, checking all shells & condensor control complete all as specified and as directed by Engr-in-Charge. | 6 | Each Job | 8,100 ₹48,600 | 8,200 ₹49,200 | 7,500 ₹45,000 Lowest | 8,250 ₹49,500 | 8,300 ₹49,800 | 8,450 ₹50,700 |
| 6.00 | All as per Sl item No. 5.00 here in before but of capacity 25 TR | 6 | Each Job | 6,100 ₹36,600 | 6,100 ₹36,600 | 5,670 ₹34,020 Lowest | 6,350 ₹38,100 | 6,300 ₹37,800 | 5,825 ₹34,950 |
| 7.00 | All as per Sl item No. 5.00 here in before but of capacity 70/80 TR | 12 | Each Job | 7,100 ₹85,200 Lowest | 7,100 ₹85,200 Lowest | 7,325 ₹87,900 | 7,750 ₹93,000 | 7,300 ₹87,600 | 7,800 ₹93,600 |
| 8.00 | All as per Sl item No. 5.00 here in before but of capacity 150 TR | 12 | Each Job | 7,100 ₹85,200 Lowest | 7,100 ₹85,200 Lowest | 7,325 ₹87,900 | 7,750 ₹93,000 | 7,300 ₹87,600 | 7,800 ₹93,600 |
| 9.00 | Supply only refrigerant gas 134 A (environmental friendly) for charging including leak testing the system all as specified & directed by Engineer-in-charge. | 255 | KG | 1,600 ₹4,08,000 | 1,425 ₹3,63,375 Lowest | 1,455 ₹3,71,025 | 1,950 ₹4,97,250 | 1,600 ₹4,08,000 | 2,000 ₹5,10,000 |
| 10.00 | S&F V belt of section A-28 for AHU drive set in proper alignment including taking down existing un-serviceable V belt complete all as specified and as directed | 5 | Each | 450 ₹2,250 | 250 ₹1,250 Lowest | 395 ₹1,975 | 550 ₹2,750 | 400 ₹2,000 | 300 ₹1,500 |
Tender Value
₹49 L
EMD Value
₹98,000
Closing Date
28 Jun 2025, 6:00 pmClosed
Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
Garrison Engineer Utility-I Visakhapatnam
Garrison Engineer Utility-I Near Samudrika Naval Base Post Visakhapatnam -530 014
REPAIR / MAINTENANCE OF AC PLANTS AT INS DEGA AREA UNDER AGE E/M NO-II OF GE (U-I) VISAKHAPATNAM
2025_MES_713012_1
8747/E8
Open Tender
Electrical and Maintenance Works
Item Rate
270 days
Garrison Engineer Utility-I Visakhapatnam
AS PER NIT
7 documents required · 7 mandatory
₹500
Garrison Engineer Utility-I
₹98,000
Yes
13 Aug 2025
6 Jun 2025
30 Jun 2025
6 Jun 2025
28 Jun 2025
21 Jun 2025
Amount
M&L for carrying out descaling of shells and tubes of water cooled type condenser of capacity 12.5 TR & of make Voltas / Bluestar once in every 3 months by disconnecting the inlet and outlet water connections and providing dummy to the inlet and outlet, descaling the condenser by circulating the circulated descaling agent R-111 or equivalent chemical or organic compound at proper ratio circulated chemical till removal of complete scale deposited inside the copper tubes, opening both end cover by condenser, brushing the copper tubes with appropriate size nylon brush, removing complete scale and flushing out the tubes & degreasing with caustic soda solution & flushing and boxing up both end covers, connecting up the water inlet & outlet connections including replacement of damaged rubber gaskets and leak testing the joints for water leakage complete all as specified and directed.
All as per Sl item No. 1.00 here in before but capacity of 25 TR
All as per Sl item No. 1.00 here in before but capacity of 70/80 TR
All as per Sl item No. 1.00 here in before but capacity of 150 TR
M&L for carrying out leak testing of chiller type system of capacity 12.5 TR & of make Voltas / Blue star by extracting the existing available gas from system to separate cylinder, storing and pressure testing the complete system with dry nitrogen and checking the leaks, identifying the leaks, rectification of leaks by brazzing / welding at the leak points / replacing by damaged valve gland package / gasket etc and after rectification of all the leaks, pressure testing the complete system up to 300 PSIG at high side, 200PSIG at low side of the system, holding the pressure for 24 hrs and vaccumising the complete system after releasing the dry nitrogen and charging the refrigerent gas to system and testing & comissioning the plant, checking all shells & condensor control complete all as specified and as directed by Engr-in-Charge.
All as per Sl item No. 5.00 here in before but of capacity 25 TR
All as per Sl item No. 5.00 here in before but of capacity 70/80 TR
All as per Sl item No. 5.00 here in before but of capacity 150 TR
Supply only refrigerant gas 134 A (environmental friendly) for charging including leak testing the system all as specified & directed by Engineer-in-charge.
S&F V belt of section A-28 for AHU drive set in proper alignment including taking down existing un-serviceable V belt complete all as specified and as directed
All as per Sl item No. 10.00 here in before but V belt Section A-31
All as per Sl item No. 10.00 here in before but V belt Section A-35
All as per Sl item No. 10.00 here in before but V belt Section B-54
M&L for servicing / cheking / inspecting AHU of capacity upto 5000 CFM AC plant, with and including dismantling units sheet metal parts, blowing out dust, chemical cleaning by spraying the organic based scale removing agent vaniklin at appropriate ratio till removal of complete dust & scale deposits in the fins area across the evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve, cleaning of air filters, cleaning the motor & greasing of blower motor, cleaning the condensor tray & drain pipe, renewal of rusted bolt, nuts and applying one coat of synthetic emamel paint over blower motor, water drain lines & applying one coat of synthetic enamel paint over coat of primer on all other rusted portion, replacement of the pre filters, including checking the alignment of the drive set, testing and commisioning complete all as specified and as directed.
All as per Sl item No. 14.00 here in before but AHU of capacity of 5000 to 20000 CFM AC Plant
All as per Sl item No. 14.00 here in before but AHU of capacity of 21000 to 40000 CFM AC Plant
M&L for dismantling the defective induction motor of capacity 5 to 7.5HP & of any make, 415 V, 4 pole, 1200-1500 RPM, 50Hz, of any duty or any class of insulation, taking out from the bed duly coupled with pump / compressor / in AHU, transporting to work shop, removing burnt out winding from stator / motor, rewinding with suitable gauge of super enamelled copper wire of approved make and replacing drive end and non drive end bearings, insulation materials, varnishing, heating reassembling, bringing back to existing location, re-installing, testing and commissioning all as specified and directed. Note: - Motors removed for rewinding shall be overhauled completely by replacing defective bearings and the quoted unit rate shall be deemed to be inclusive of the same.
All as per Sl item No. 17.00 here in before but motor of capacity above 7.5 but not exc 12.5 HP
M&L for servicing of defective VFD of capacity 150 TR AC plants including replacement of minor spare parts complete all as specified and as directed. Note:- S&F for minor spare parts other than those catered in subsequent items of this BOQ, shall be considered to be included in this item and unit rate quoted against this item shall be considered to include for the same.
All as per Sl item No. 19.00 here in before but for VFD of capacity 70/80 TR AC Plants.
All as per Sl item No. 19.00 here in before but for VFD of capacity 25 TR AC Plants.
All as per Sl item No. 19.00 here in before but for VFD of capacity 12.5 TR AC Plants.
S&F Top Fan as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable top fan complete all as specified and as directed.
S&F Mixing Fan as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable mixing fan complete all as specified and as directed.
S&F Heat Sink Fan as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable Heat Sink Fan complete all as specified and as directed.
S&F Graphical LCP as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable Graphical LCP complete all as specified and as directed.
S&F HF Card as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable Graphical LCP complete all as specified and as directed.
S&F IGBT as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable HF Card complete all as specified and as directed.
S&F Gate drive card as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable Gate drive card complete all as specified and as directed.
S&F inrush Card as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable inrush Card complete all as specified and as directed.
S&F Rectifier as per OEM suitable for VFD of capacity 80 to 150 TR AC plant of make Voltas / bluestar / Carrier / Denfoss including taking down existing un-serviceable Rectifier complete all as specified and as directed.
Carrying out repairs / maintenance & attending to breakdown of 80 to 150 TR variable speed screw type liquid chiller central AC plant of make Voltas / Bluestar as per the following scope of the work given below including carrying out general repairs and periodical servicing to ensure smooth and trouble free operation of plants to the entire satisfaction of user / department all as specified and as directed by Engr-in-Charge. Scope of Work:- (a) Periodical monitoring / inspecting the complete AC plant and carrying out preventive / periodical maintenance to ensure smooth functioning of AC plant. The periodical inspection for preventive maintenance shall be carried out by authorised technician / service engineer of OEM once in a quarter other than breakdown calls for monitoring the operational condition of AC plant including preventive maintenance / breakdown calls whenever required. Each preventive maintenance & breakdown call if any, will be measured as one Job. Contd...
(b) Visual inspection for oil traces, Air heat exchanger (condenser) cleaning, check for removed protection devices and improperly closed doors / covers, check that the temperature difference between heat exchange inlet and outlet is correct, check the refrigeration system, motors and starters for performance and healthy condition of plant. (c) Checking the system for leaks and rectification of leaks if any. (d) Taking a set of readings and evaluating the same to ensure the satisfactory performance of the plant. (e) Checking the refrigeration control system for operation and adjusting the settings as and when required. (f) General Cleaning the evaporator and condensing coils (g) General Lubrication of the bearings of motors, pumps and fans as and when required. (h) Inspection of belts, which includes adjusting the tension including replacement if required. (j) Filling only the refrigerant as a result of leak arising from the system due to standard wear and tear. (k) Repairing / replacing the minor spares / components (other than those catered in subsequent item of this BOQ) of the equipment at site or at workshop as required (l) To check proper functioning of microprocessor and take control test. (m) Intimating any breakdown requiring specific major repairs / overhauling to the contractor / department for immediate rectification of defect. (n) Attending the complaints / breakdown whenever received by user / JE / Engineer in charge and attending the complaint for same within 24 hrs of receipt. (o) The repair / replacement of all spare parts like ICVC Boards, compressor / fan motor rewinding, electrical switch gears, contactors, PCB, refrigerant gas etc., are not in the scope. These items shall be measured and paid separately under relevant items. (p) Any minor spares / repairs items which are required to keep the plant in operational are deemed to be included in scope of this item.
All as per Sl item No. 32.00 & 32.01 here in before but for 5.5 to 25 TR capacity package type, chiller type, water cooled and air cooled AC plant.
S&F oil cartridge filter as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chillar of Make Voltas / Bluestar including taking down existing un-serviceable oil cartridge filter complete all as specified and as directed.
Supply & filling Compressor Oil suitable for 70 to 150 TR capacity variable speed screw type liquid chillar of Make Voltas / Bluestar complete all as specified and as directed.
S&F Temperature sensor as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chillar of Make Voltas / Bluestar including taking down existing un-serviceable Temperature sensor complete all as specified and as directed.
S&F LP sensor as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chillar of Make Voltas / Bluestar including taking down existing un-serviceable LP sensor complete all as specified and as directed.
S&F Chiller flow switch with connection pipe as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chillar of Make Voltas / Bluestar including taking down existing un-serviceable Chiller flow switch with connection pipe complete all as specified and as directed.
S&F pressure gauge 0-7 kg/cm2 as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chillar of Make Voltas / Bluestar including taking down existing un-serviceable pressure gauge complete all as specified and as directed.
S&F MNX 25 contactor 220 V, 50Hz as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable contactor complete all as specified and as directed.
S&F MNX 40 contactor 220 V, 50Hz as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable contactor complete all as specified and as directed.
S&F MNX 12 contactor 220 V, 50Hz as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable contactor complete all as specified and as directed.
S&F MNX relay 9-14 AMPS as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable MNX relay complete all as specified and as directed.
S&F timer star delta as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable timer star delta complete all as specified and as directed.
S&F Auxillary block as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable Auxillary block complete all as specified and as directed.
S&F drier assly as per OEM & suitable for 70 to 150 TR capacity variable speed screw type liquid chiller of Make Voltas / Bluestar including taking down existing un-serviceable drier assly complete all as specified and as directed.
S&F ventilating fan as per OEM & suitable for HVAC drive panel of 132 KW / 200 HP of the AC plant including taking down existing un-serviceable ventilating fancomplete all as specified and as directed.
S&F sealed compressor of capacity 5.5 TR of make as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable compressor complete all as specified & as directed by Engr-in-charge
S&Fsealed compressor of capacity 11.6 to 12 TR of make as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable compressor complete all as specified & as directed by Engr-in-charge
S&F fan blade of make as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier cincluding taking down existing un-serviceable fan blade complete all as specified & as directed by Engr-in-charge
S&F fan motor of make as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable drier assly complete all as specified & as directed by Engr-in-charge
S&F drier assly of make as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable drier assly complete all as specified & as directed by Engr-in-charge
Supply & filling compressor oil of grade P-180 & suitable for scroll type hermetically sealed compressor including taking down existing un-serviceable compressor oil complete all as specified & as directed by Engr-in-charge
S&F Chiller flow switch with connection pipe as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable Chiller flow switch with connection pipe complete all as specified & as directed by Engr-in-charge
S&F pressure gauge 0-7 kg/cm2 as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable pressure gauge complete all as specified & as directed by Engr-in-charge
S&F MNX 25 contactor 220 V, 50Hz as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable contactor complete all as specified & as directed by Engr-in-charge
S&F MNX 40 contactor 220 V, 50Hz as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable contactor complete all as specified & as directed by Engr-in-charge
S&F MNX 12 contactor 220 V, 50Hz as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable contactor complete all as specified & as directed by Engr-in-charge
S&F MNX relay 9-14 AMPS as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable MNX relay complete all as specified & as directed by Engr-in-charge
S&F timer star delta as per OEM & suitable for package air onditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable timer star delta complete all as specified & as directed by Engr-in-charge
S&F Auxillary block as per OEM & suitable for package air conditioning unit of make Voltas / Blue star / Carrier including taking down existing un-serviceable Auxillary block complete all as specified & as directed by Engr-in-charge
M&L for carrying out repair to cooling tower fan motor of 5 to 7.5HP capacity, flange mounted extended shaft type, including taking down from position, transporting to local work shop, dismantling the motor, replacing damaged unserviceable shaft, bearings, rusted nuts & bolts including servicing motor, varnishing to winding, external painting of motor, providing PVC cap for top portion of motor for main protection, re-assembling etc and bringing the assembly back and installation to position and testing commissioning complete all as directed by Engineer-in-charge.
S&F cooling tower motor base frame, base plate, Nut & bolts complete all as per the existing size and shape, suitable for 80 to 150 TR capacity AC Plant including taking down existing un-serviceable motor base frame complete all as specified & as directed by Engr-in-charge
S&F fan motor of 7.5 HP from cooling tower, 3 phase, 720RPM, 440V, 50Hz, IP-55, extended type shaft, flange mounted, weather proof along with fan assembly with 1300mm sweep with 04 fan blades & suitable hub assembly clamps nut & bolts etc. Including connecting the power supply and testing including taking down existing un-serviceable fan motor complete all as specified as directed by Engr-in-charge.
M&L for complete overhauling / servicing of FRP cooling tower of capacity 150 TR, removal of complete scales, dirt etc. by using chemicals, cleaning the slump louvers, PVC fills, fan assembly, renewal of spray nozzles with connected pipe, renewal of nuts-bolts, leak arresting of the FRP tank and complete painting of the cooling tower as per the standard practice, repairing leakage portion by lining with FRP material including replacement of rusted nut-bolts and replacing of bird screens at air intake portion, testing and commissioning complete all as specified and as directed.
All as per Sl item No 65.00 here in before but of capacity 70/80 TR
All as per Sl item No 65.00 here in before but of capacity 25 TR
M&L for taking down damaged direct coupling unit of split casing pumps of chilled water / condenser water and S&F drive set of suitable size with necessary boring to the motor and pump shaft size including making of shaft key way slots and matching of proper alignment to the drive set, testing and commissioning of the drive set upto 25HP complete all as specified and directed.
M&L for preparation of old decorated surfaces of central type Air conditioning plant of capacity 3 x 150 TR & painting the same with one coat of synthetic enamel paint including painting to compressor, condensers, chillers, Refrigeration lines Condenser water line, pumps, motors foundation frame valves etc as per the existing colour code complete all as specified and as directed by Engr-In-Charge. Note:- Rusted surfaces shall be scraped with sand paper and shall be applied with one coat of red oxide primer before application of paint and unit rate quoted against this item shall be considered to include this aspect.
All as per Sl item No. 69.00 here in before but of capacity 3 x 70/80 TR
All as per Sl item No. 69.00 here in before but of capacity 3 x 25 TR (Indoor & outdoor Air cooled plant)
All as per Sl item No. 69.00 here in before but of capacity 3 x 12.5 TR
M&L for complete servicing / repairs to package air conditioning unit of make Voltas & of capacity 5.5 TR compressor units with and including servicing of three Nos outdoor units complete by blowing out dust, spraying the organic based scale removing agent in appropriate ratio to condenser fan area till removal of complete scale and dust, flushing through for proper air flow across the coil, checking of all electrical connections, greasing of motor bearing, renewal of all defective copper tubes from indoor unit to outdoor unit, replacement of corroded sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion, reassembling the sheet metal parts and testing the unit all as specified and directed. Note :- Required copper pipe shall be measured and paid under relevant item of BOQ.
M&L for complete servicing / repairs to Air cooled central air conditioning unit of Make voltas & of capacity 3 x 12.5 TR consisting of 3 Nos 12.5 TR compressor units, with and including servicing of outdoor units complete by blowing out dust, spraying the organic based scale removing agent in appropriate ratio to condenser fin area till removal of complete scale and dust, flushing through for proper air flow across the coil, checking of all electrical connections, greasing of motor bearing, renewal of all defective copper tubes from indoor unit to outdoor unit, replacement of corroded sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion, reassembling the sheet metal parts and testing the unit all as specified and directed. Note :- (i) Required copper pipe shall be measured and paid under relevant item of BOQ. (ii) Servicing or 01 compresor / outdoor unit shall be measured as 01 unit of this item.
Supply and charge refrigerant gas R-22 / R 407 C including leak testing the system, arresting the leaks with necessary materials like gasket/ 'o' rings/ washers all as specified and as directed by Engineer-in-charge.
M&L for complete leak testing the indoor and outdoor units, refrigerant pipe with nitrogen gas, locating the leaks, rectifing the leak by brazing / welding and pressure testing the complete system for the capacity up to 5.5 to 10 TR air cooled package AC system complete all as specified and as directed by Engr-in-Charge.
S&F butterfly valve 150 mm bore, PN 1.6 with necessary counter flanges, rubber gasket, bolts, nuts and washer including taking down existing un-serviceable valve complete all as specified and as directed by Engineer-in-Charge.
M&L for taking down burnt condenser / indoor / outdoor unit fan motor of package type unit of capacity upto 12TR and carrying out rewinding including renewal of bearings & bushes of motor and fixing back to the position, testing and commissioning complete all as specified and as directed by Enger-in-Charge.
M&L for taking down burnt condenser / indoor / outdoor unit fan blade of package type unit of capacity upto 12TR and supply and fix new fan blade as per existing complete all as specified and as directed.
S&F hard drawn, seamless, heavy gauge, copper refrigerant pipe of L type & of size 1/2 inch, fixed in ceiling / wall, suitable for air cooled package units including necessary supports wherever required; fittings such as elbows, tee, sockets, brackets, clamps etc., brazing & taking down the existing damaged refrigerant copper pipe complete all as specified and as directed.
All as per Sl item No. 80.00 here in before but of size 5/8 inch
All as per Sl item No. 80.00 here in before but of size 3/4 inch
All as per Sl item No. 80.00 here in before but of size 7/8 inch
S&F insulation foam, tubular type, suitable for refrigeration copper pipe of size 1/2 inch interconnecting indoor and outdoor Units with necessary adhesive tapes complete all as specified and as directed by Enger-in-Charge.
All as per Sl item No. 84.00 here in before but suitable for refrigeration copper pipe of size 5/8 inch
All as per Sl item No. 84.00 here in before but suitable for refrigeration copper pipe of size 3/4 inch
All as per Sl item No. 84.00 here in before but suitable for refrigeration copper pipe of size 7/8 inch
M&L for taking down blower assembly from blower unit of package type AC plant of capacity 5.5TR / 10TR and taking out the damaged / worn out AHU shaft assembly and bearings and transporting to workshop to carry out necessary repair / replacement of AHU shaft, replacement of pillar block bearing units, re-assembling the same, transporting back to site and installing into position, matching of proper alignment, testing and commissioning complete all as specified and as directed by Enger-in-Charge.
S&F LED bulb (red / green colour as directed) suitable for existing LED indication lamp including taking down existing un-serviceable LED bulb complete all as specified and directed.
S&F MS pipe with flanged ends, 150 mm bore, heavy grade including flanges, all fittigns required, gasket, nut-bolt etc., making joints, laid in trenches or on ground / vertically including taking down existing un-serviceable pipe complete all as specified and as directed by Engineer-in-Charge. Note:- All fittings such as Tee, Bend, Cross etc required shall deemed to be considered in unit rate quoted against this item.
S&F new oil pressure differential cut out unit including necessary wiring and testing & commissioning including taking down existing un-serviceable cut out complete all as specified and directed.
All as per Sl item No. 91.00 here in before but High pressure cut out
All as per Sl item No. 91.00 here in before but low pressure cut out
M&L for repairing of malfunctioning of VFD units, compressor units amd making them functional complete all as specified and directed.
M&L for programming of VFD / compressor units of different capacities and getting all functional again complete all as specified and directed.
M&L for taking down the defective fan motor of flange mounted extended type shaft upto 3 HP, 3 phase, 415 volts, 6 pole, 900 RPM, 50Hz, along with fan assembly and dismantling the motor complete, cleaning with CTC including rewinding the motor with appropriate gauge copper wire, necessary paper, tape, terminal etc., insulation of class 'F' and degree of protection shall be IP-55, including renewal of all corroded bolts & nuts, terminal block and assembling, fixing in position, fixing of fan blade and alignment of the fan blade for suitable air throw of the cooling tower, testing & commissioning cooling tower motor complete all as specified and as directed by Engr-in-Charge.
M&L for dismantling the defective induction motor of capacity 9.3 to 30 KW of any make, 415 V, any duty or any class of insulation, taking down from bed duly coupled with pump / in AHU drive, transporting to work shop, removing the burnt out stator, complete cleaning the stator, removing the carbon and cleaning with CTC / petrol and re-winding the stator with super enameled copper wire of appropriate gauge as per existing standard, varnishing and baking, including replacing of both end bearings, assembling, transporting back to site, fixing back to its original position coupling with pump / AHU motor including matching proper alignment with drive set, testing & commissioning the motor complete all as specified and as directed by Engr-in-Charge.
S&F pre Air filter of 90 down 10 micro washable made out of fiber visco type of size 500mm x 400mm x 50 mm including taking down existing un-serviceable filter complete all as specified and directed.
All as per item No. 98.00 here in before but of size of 500mm x 500mm x 50 mm
All as per item No. 98.00 here in beforebut of size of 600mm x 600mm x 50 mm
All as per item No. 98.00 here in beforebut of size of 500mm x 600mm x 50 mm
All as per item No. 98.00 here in beforebut of size of 600mm x 400mm x 50 mm
All as per item No. 98.00 here in beforebut of size of 400mm x 400mm x 50 mm
S&F PVC Fills of size 600mm x 300mm x 150 mm as per OEM & suitable for FRP Cooling tower including taking down existing un-serviceable PVC fills complete all as specified and as directed by Engr-in-Charge.
M&L for insulation to MS Pipe of size 150 mm with PUF slab of 40 mm thick with and including applying bituminous compound and GI cladding with 26 gauge GI sheet complete all as specified and as directed by Engr-in-Charge.
suresh electricals (BID ID -3338763)
M/S CHANDRA ENGINEERS AND CONTRACTORS (BID ID -3335111)
SRIESWARI ENTERPRISES (BID ID -3333460)
SAI ENGINEERING WORKS (BID ID -3337244)
SRIVALLI ENGINEERS (BID ID -3336017)
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