Military Engineer Services Tender
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Military Engineer Services - MES Tender
Civil And Construction
Eprocure
Opening Date17 May 2023
Closing Date13 Jun 2023
Tender Amount₹ 62,33,170
Costs
EMD
₹ 1,22,500Document Cost
₹ 1,000Tender Fee
Refer Documents
Summary
Repair/ Maint Of Central/ Package Plants At Different Locations In Technical Area Including Certain Misc Works
Description
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Contact
Tender Id
2023_MES_596269_1Bid Award Id
ViewTender No
8589/E8Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
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Removing excavated materials not exceeding 50m distance and depositing where directed at level not exceeding 1.5 m above the starting point complete all as specified and directed.
6
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Riddling Sand obtained from excavation for cable protection 8cm under the cable and 15cm above the cable in trench and get the thick layer of 18cm after ramming complete all as specified and directed. Note :- The rate is deemed to be inclusive for supply of riddle sand from outside MD land as directed by the Engineer-in-Charge, In case of sufficient sand not obtained from excavation.
28
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M&L Fly ash bricks using modular bricks as in cable protection cover including taking down existing bricks of any size complete all as specified and directed.
3150
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M&L XLPE insulated,screened ,PVC Bedded,galvanised steel strip of wire armoured, electric power cable heavy duty with aluminium conductor 1100Volts grade cross sectional area 50 sq mm 3.5 core laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets etc including taking down existing cable all as specified and directed.
200
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S&F XLPE insulated,screened, PVC Bedded, galvanised steel strip or wire armoured, electric power cable heavy duty with aluminium conductor 1100Volts grade cross sectional area 70 Sqmm 3.5 core, laid in trenches /ducts/fixed to wall/pole/ inside panel/ drawn through pipe including cable glands and terminal sockets, including taking down existing cable complete all as specified and directed.
200
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Note for Item No 7 & 8 :- Necessary excavation and earth work, sand cushioning & bricks for protection shall be measured and paid separately.
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M&L in repairs Cable jointing kit for 1.1 KV grade cable for outdoor stright through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 50 sqmm to 70 sqmm complete all as specified and directed. .
4
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Supply and fixing in repairs LED light fitting 2x16 Watt flame proof, CMRI certified recommended for gas/ vapor group of IIA & IIIB, Zone 1 & 2 and IP 65 protection with die cast aluminum hosing with heat resistant toughened glass with LED tube light fixtures driver, holders, connector etc. Complete with all accessories prewired and including connecting up with three core flexible copper conductor cable with suitable size. Make : Sudhir, Bajaj, Baliga.
4
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Supply and fixing in repairs of switch flame proof switch socket and plug combined in LM6 cable termination box in LM6, 16A, 250V, 2P + earth, Make : Sudhir, Bajaj, Baliga.
2
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Supply and fixing in replacement of flame proof exhaust fan 300mm sweep 230 volts, with all accessories fixed on wall/ceiling including writing MES No with synthetic enamel paint all specified and directed. Make : Sudhir or equivalent in Bajaj, Baliga.
Note:- Old Unserviceable flame proof exhaust fan hall be deposited to MES store yard.
3
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M&L Earth testing, identifying the earth and recording of test results in prescribed format all as directed by Engineer-in-Charge. NOTE:-Each earth pit result be submitted to Engineer-in-Charge duly signed by user and MES rep for earth test less than 1 Ohm (not less than 8 pits considered 1 earthing point)
300
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M&L Earth testing, identifying the earth and recording of test results in prescribed format all as directed by Engineer-in-Charge. Note:-Each earth pit result be submitted to Engineer-in-Charge duly signed by user and MES rep for earth test less than 3 Ohm (min 4 pits considered 1 earthing point)
450
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M&L Earth testing, identifying the earth and recording of test results in prescribed format all as directed by Engineer-in-Charge. Note:-Each earth pit result be submitted to Engineer-in-Charge duly signed by user and MES rep for earth test less than 4 Ohm (min 3 pits considered 1 earthing point)
500
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M&L Earth testing, identifying the earth and recording of test results in prescribed format all as directed by Engineer-in-Charge. Each earth pit result be submitted to Engineer-in-Charge duly signed by user and MES rep for Conventional type earthing (individual pit)
1000
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M & L for periodical servicing of Air handling unit of capacity 3800 CFM including cleaning of air filters and calibration of air pressure gauges, temperature gauges etc installed near AC plant room FMS, LCA complete all as specified and directed.
4
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M & L for periodical servicing of Air handling unit of capacity 11000 CFM including cleaning of air filters and calibration of air pressure gauges, temperature gauges etc installed near fire stair case FMS, LCA complete all as specified and directed.
4
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M & L for periodical servicing of Air handling unit of capacity 6600 CFM including cleaning of air filters and calibration of air pressure gauges, temperature gauges etc installed near cubicles FMS, LCA complete all as specified and directed.
4
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M & L for periodical servicing of Air handling unit of capacity 5500 CFM including cleaning of air filters and calibration of air pressure gauges, temperature gauges etc installed on roof top-2 Nos, FMS, LCA complete all as specified and directed.
4
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Note for Item No 18 to 21 :- (a) Servicing of Air handling unit shall be carried out through the Authorised service agency only as per instructions recommended by the original manufacturer.
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(b) The authorised service agency must be attended as and when called for urgent nature of repair of the equipments.
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(c) Any minor items to be replaced is included in the item quoted rate.
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(d) The contractor shall provide visit/inspection of service engineer of authorised dealer for servicing of the eqpt in each quarter i.e on quarterly basis and on phone call for attending emergency brake downs during the entire contract period.
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S&F in repair AHU fan motor including blower 230 volt,complete all as specified and as directed. Make : GEA or equivalent.
3
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Supply and fix in replacement of condensor contactor 3 Phase 415 Volt suitable for AC plant of capacity 3 x 30 TR complete all as specified and as directed. Make : Siemens, L&T, Schneider
2
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M&L Providing insulation on and around suction and discharge copper tube of size 3/8"/ 5/8" with 6mm thick flexible thermocol heat resistance duly wrapped with sticking tape and finally covered with flexible PVC conduit of 50mm bore complete including taking down existing damaged one all as specified and as directed.
50
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Supply and fix in repair Blower fan motor 3 phase 750 W suitable for AC plant 1 x 12 TR capacity at OTF of existing make/ brand of defective components or any reputed suitable make as approved by the Engineer-in-Charge.
2
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Supply and fix in repair AHU Blower motor with blower set of existing make suitable for the 3X16.5 TR precision type AC plant at Transmitter/ Opera-I complete all as specified and as directed.
2
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Taking down old unserviceable scroll type compressor of capacity 7.5 TR Model No SM 120S4VC including supply and fixing of same capacity of compressor of Make Emerson Climate Technologies or equivalent make for AC plant at location : TRCL
1
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Taking down old unserviceable scroll type compressor of capacity 3 TR including supply and fixing of same capacity of compressor of Make Emerson Climate Technologies or equivalent make for AC plant at location : AVRO/OTF/OPERA-II
3
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Taking down old unserviceable scroll type compressor of capacity 12 TR including supply and fixing of same capacity of compressor of Make Emerson Climate Technologies or equivalent make for AC plant at location : Rotable Bldg- 05 Nos
5
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Note for Item No 31 to 33:- (a) Compressor shall be purchased from manufacturer/ authorised dealer of the manufacturer.
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(b) Compressor shall be in sealed condition and shall bear warranty for 12 months from the date of purchase.
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Dismantling existing damaged ducts and Supply, assembly and erection of 24 gauge 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, Carriage bolt, hanging rod, Gasket and appropriate sealant on longitudinal joints etc complete all as specified and as directed.
15
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M&L for complete overhauling of air compressor 20 HP of Make: M/s Ingersoll including replacement of valve assembly LP-2 Nos, valve assembly HP - 1 No, Piston rings LP-2 sets, Piston Rings HP - 1 set, Air filter element - 2 No, Gasket set - 1 set and compressor oil - 5 ltr etc including testing complete all as specified and as directed by Engineer in Charge.
2
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M&L for complete overhauling of air compressor 10 HP of Make: M/s Ingersoll including replacement of valve assembly LP-2 Nos, valve assembly HP - 1 No, Piston rings LP-2 sets, Piston Rings HP - 1 set, Air filter element - 2 No, Gasket set - 1 set and compressor oil - 5 ltr etc including testing complete all as specified and as directed by Engineer in Charge.
2
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Supply only Refrigerant gas R – 22 as and when required for AC plants of following capacity complete all as specified and as directed:-
180
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(a) 3 × 30 TR Rubber store of Voltas make
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(b) 2 x 7.5 TR for TRCL of Voltas make
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Supply and fix in repairs of contactor 3 Phase 415 Volt suitable for AC plant of capacity 3 x 16.5 TR at Opera-I complete all as specified and as directed.
2
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S&F water pressure cut out 230 volt including taking down existing one complete all as specified and as directed. Make Indfoss or equivalent.
2
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Supply and fix in repair Blower fan motor suitable for AC plant 1 x 8.75 TR at T-51 of existing make/ brand of defective components or any reputed suitable make as approved by the Engineer-in-Charge.
2
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S&F in repair strainer of package type ac plant of capacity 1 x 12TR with ISI mark complete all as specified and as directed.
2
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M&L taking down AHU fan motor of capacity 10HP from location for servicing including replacement of bearing,bush and rewinding and refixing the same complete all as specified and as directed.
1
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Supply and fix in replacement of contactor 3 Phase, 32 A, 415 Volt suitable for AC plant of capacity 1 x 12 TR at AVRO complete all as specified and as directed. Make : Siemens, Schneider, L&T
2
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S&F in repairs Oil pressure cut out of existing make/ brand of defective components or any reputed suitable make as approved by the Engineer-in-Charge.
1
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M&L for Compressor Oil freeze -90LTR complete all as specified and as directed. Make:Castrol, Shell , Servo
100
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Supply and fix in repair condenser fan motor of outdoor unit of AC plant 1 x 15 TR capacity at CRRW/ SEW of existing make/ brand of defective components or any reputed suitable make as approved by the Engineer-in-Charge.
2
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M&L in repairs duct insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation suitable for 40 mm as specified and including the following:- .
15
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(a) Cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage
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(b) Applying rubber based adhesive CPRX compound.
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(c) Sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof.
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(d) Securing the insulation with and including mechanically fastened nylon/ steel straps of size 12 mm/50 mm at maximum intervals of 1.2 mtr.
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S&F in replacement of grills/diffusers of size 630X630 mm for supply air duct made out of CRCA sheet 1.2mm thick, with perforation duly powder coated etc adjustable type(with flow regulating arrangement) all as directed.
Make : Microflo ,3C Air Equipments, Deepak cooling control.
5
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Supply and fix in replacement of Galvanised steel, volume control damper/parallel Blade Dampers for rough air system balance with closer control at the individual grills or diffusers for supply air complete all as specified and as directed. Make : Microflow, 3C Air Equipments, Deepak cooling control.
5
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Servicing of chiller pump 5HP 3 phase 415 Volt of Make:M/s Kirloskar including replacement of unserviceable bearing bush with testing and commissioning complete all as specified and as directed.
2
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Supply and replacement of unserviceable PVC compressed air pipe of 15mm dia suitable for 150 PSI complete all as specified and as directed. Make : Presto Plast/ Modi/ Avon Plast
150
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Supply and fix in repair microprocessor Controller suitable for 12/15/45TR AC plant at TRCL, CRRW, AVRO, OPERA-II, Rotable Section complete all as specified and as directed.
5
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Supply and fix in replacement of unserviceable CTV Coil incoming 230Volt outgoing 12V/24V of existing make/ brand of defective components or any reputed suitable make as approved by the Engineer-in-Charge.
1
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Supply and fix in replacement of contactor 3 Phase, 32 A, 415 Volt suitable for AC plant of capacity 1 x 15 TR at CRRW complete all as specified and as directed. Make : Siemens, Schneider, L&T
2
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Taking down old unserviceable outdoor condenser coil from existing unit and Supply and fix new outdoor condenser coil of same Model suitable for the AC plant 1 x 8.75 TR at T-51 (Avonics Lab)complete all as specified and as directed.
1
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Supply and fix in repair condenser fan motor of outdoor unit of AC plant 1 x 12 TR capacity at Opera-II complete all as specified and as directed.
2
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Comprehensive maintenance of 25 KVA static frequency converter with input supply of 3 phase 415 V, 50 Hz with output of 3 ph 4 wire 115 AC /200 V AC 400 HZ Make- Power one Micro systems including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - LCA Hanger No-I,II & III-09 Nos, Rotable section & Spl power supply room -06, Fadec -01 No. (Total 16 Nos)
2
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Comprehensive maintenance of DC power supply (rectifier) 28 Volts DC out put 12 KW with input supply of 3 phase 415 V, 50 Hz Make- Power one Micro systems including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - LCA Hanger No-I, II & III - 09 Nos & Fadec -01 No. (Total 10 Nos)
2
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Comprehensive maintenance of Air compressor 10 HP of Make : Ingersoll 3 phase including attending day to day complaints, checking of airflow line, oil change, pressure switch setting, setting of air filters, checking functioning of valves, checking of guage by the original manufacturer complete all as specified and directed. Location- LCA Hanger No.I,II& III -06 Nos.
2
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Comprehensive maintenance of Air compressor 10 HP of Make : ELGI 3 phase including attending day to day complaints, checking of airflow line, oil change, pressure switch setting, setting of air filters, checking functioning of valves, checking of guage by the original manufacturer complete all as specified and directed. Location- Rotable Sec & SES Bldg -02 Nos.
2
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Comprehensive maintenance of Air compressor 2 HP of Make : ESKAY 3 phase including attending day to day complaints, checking of airflow line, oil change, pressure switch setting, setting of air filters, checking functioning of valves, checking of guage by the original manufacturer complete all as specified and directed. Location- FOL Lab, 5 BRD
2
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Comprehensive maintenance of Air compressor 3 HP of Make : ELGI 3 phase including attending day to day complaints, checking of airflow line, oil change, pressure switch setting, setting of air filters, checking functioning of valves, checking of guage by the original manufacturer complete all as specified and directed. Location- T-68 Hanger
2
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Comprehensive maintenance of 50KVA through online UPS system with SMF batteries, with input supply of 3 phase 415V, 50HZ of Make Aplab including attending day to day complaints, isolating UPS from system, Opening up, examining the accessories parts, cleaning, soldering as required and testing and connecting back with the system as directed by the Engineer -in-charge. Location - IT section.
2
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Comprehensive maintenance of 10KVA through online UPS system with SMF batteries, with input supply of 3 phase 415V, 50HZ of Make Aplab including attending day to day complaints, isolating UPS from system, Opening up, examining the accessories parts, cleaning, soldering as required and testing and connecting back with the system as directed by the Engineer -in-charge. Location - Tarang Lab & Navy Hanger - 02 Nos
2
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Comprehensive maintenance of 5KVA through online UPS system with SMF batteries, with input supply of 3 phase 415V, 50HZ of Make Aplab including attending day to day complaints, isolating UPS from system, Opening up, examining the accessories parts, cleaning, soldering as required and testing and connecting back with the system as directed by the Engineer -in-charge. Location - Navy Hanger & EMMS - 02 Nos
2
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Comprehensive maintenance of 30KVA through online UPS system with SMF batteries, with input supply of 3 phase 415V, 50HZ of Make Aplab including attending day to day complaints, isolating UPS from system, Opening up, examining the accessories parts, cleaning, soldering as required and testing and connecting back with the system as directed by the Engineer -in-charge. Location - 75 RMU - 01 No
2
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Comprehensive maintenance of Air compressor 20 HP of Make : M/s Ingersoll, 3 phase including attending day to day complaints, checking of airflow line, oil change, pressure switch setting, setting of air filters, checking functioning of valves, checking of guage by the original manufacturer complete all as specified and directed. Location- LCA Hanger No. I, II & III -03 Nos.
2
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Note for Item No 65 to 75 :- (a) The contractor shall make AMC contract for 6 months (i.e only for last 2 quarters of the whole period of work) with the original manufacturer of the equipments and the repairs/ maintenance shall be carried out through the Authorised service agency only as per instructions recommended by the original manufacturer. The comprehensive maintenance for these equipments shall be commenced only after the consent of Engr- in-Charge.
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(b) The authorised service agency must be attended as and when called for urgent nature of repair of the equipments.
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(c) Any minor items to be replaced is included in the item quoted rate.
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(d) The contractor shall provide visit/inspection of service engineer of authorised dealer for servicing of the eqpt in each quarter i.e on quarterly basis and on phone call for attending emergency brake downs during the entire contract period.
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(e) Payment shall be made after completion of each quarter for the conprehensive maintenance (i.e for the last 2 quarters of the whole period of work). Please note that given quantity will not be enhanced, if the contract period has extended and payment is not applicable for extended period.
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Supply only Cooling fan suitable for 25KVA to 50KVA capacity UPS of Make - Aplab all as specified and directed.
2
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Supply only DC Capacitor suitable for 25KVA to 50KVA capacity UPS of Make - Aplab all as specified and directed.
2
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Comprehensive maintenance of 5 KVA static frequency converter with input supply of 3 phase 415 V, 50 Hz with output of 3 ph 4 wire 115 AC /200 V AC 400 HZ Make- Power one Micro systems including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - Fadec -01 No & TRCD- 01 No (Total 02 Nos)
4
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Comprehensive maintenance of 1.25 KVA static frequency converter with input supply of 3 phase 415 V, 50 Hz with output of 3 ph 4 wire 115 AC /200 V AC 400 HZ Make- APLAB including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - 33 Sqn Tarang Lab - 01 No
4
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Comprehensive maintenance of 4 KVA static frequency converter with input supply of 3 phase 415 V, 50 Hz with output of 3 ph 4 wire 115 AC /200 V AC 400 HZ Make- APLAB including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - 33 Sqn Tarang Lab - 01 No
4
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Comprehensive maintenance of DC power supply (rectifier) 28 Volts DC out put 3.82 KW with input supply of 3 phase 415 V, 50 Hz Make- Power one Micro systems including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - Special supply room -02 Nos.
4
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Comprehensive maintenance of DC power supply (rectifier) 28 Volts DC out put 1.96 KW with input supply of 3 phase 415 V, 50 Hz Make- Power one Micro systems including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - Rotable section & Special supply room -08 Nos.
4
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Comprehensive maintenance of DC power supply (rectifier) 28 Volts DC out put 1.44 KW with input supply of 3 phase 415 V, 50 Hz Make- Power one Micro systems including attending day to day complaints, Isolating converter from system, opening up, examining the accessories parts, cleaning , soldering as required and testing and connecting back with the systems as directed by the Engineer-in-charge. Location - Rotable section & Special supply room -08 Nos.
4
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Comprehensive maintenance of Air compressor 0.75 HP of Make : ELGI 3 phase including attending day to day complaints, checking of airflow line, oil change, pressure switch setting, setting of air filters, checking functioning of valves, checking of guage by the original manufacturer complete all as specified and directed. Location- Painting Bay (Rotable Sec) -01 Nos.
4
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Note for Item No 83 to 89 :- (a) The contractor shall make AMC contract for 11 months with the original manufacturer of the equipments and the repairs/ maintenance shall be carried out through the Authorised service agency only as per instructions recommended by the original manufacturer.
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(b) The authorised service agency must be attended as and when called for urgent nature of repair of the equipments.
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(c) Any minor items to be replaced is included in the item quoted rate.
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(d) The contractor shall provide visit/inspection of service engineer of authorised dealer for servicing of the eqpt in each quarter i.e on quarterly basis and on phone call for attending emergency brake downs during the entire contract period.
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(e) Payment shall be made thrice for the period of 4 qtrs propotionately for the conprehensive maintenance. Please note that given quantity will not be enhanced, if the contract period has extended and payment is not applicable for extended period.
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Supply and fix in repair AHU Blower motor with blower set of MAKE suitable for the 1 x 12 TR precision type AC plant at AVRO/ Opera-II complete all as specified and as directed.
2
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Supply and fix in replacement of compressor contactor 3 Phase 415 Volt suitable for AC plant of capacity 3 x 30 TR,complete all as specified and as directed.Make : Siemens, L&T, Schneider
2
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Supply and fixing in repairs MCCB 63 Amps 16 KA 4 pole 415Volts including connection using suitable size of aluminium lugs complete all as specified and as directed.
Make : L&T, ABB, Schneider
2
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Supply and fixing in repairs MCCB 100 Amps 25 KA 4 pole 415Volts including connection using suitable size of aluminium lugs complete all as specified and as directed.
Make : L&T, ABB, Schneider
2
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Supply and fixing in repairs MCCB 125 amps 25 KA 4 pole 415Volts including connection using suitable size of aluminium lugs complete all as specified and as directed.
Make : L&T, ABB, Schneider
2
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M&L for Servicing of Air curtains unit, of any type capacity and length, single phase AC, 230 Volts as in preventive maintenance alongwith blower assembly filter and other components including checking electrical connections all as specified and as directed.
2
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M&L in repairs blower motor assembly of Air curtain unit of any type capacity and length, single phase AC, 230 Volts as including electrical connections all as specified and as directed.
2
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Supply and fix in repair AHU Blower motor with blower set of as per existing/ suitable make for the 1 x 15 TR precision type AC plant all as specified and as directed.
1
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M & L in repairs contactor 4 pole 63 Amps all as specified and as directed.Make: L&T, ABB, Schneider
1
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Supply and Fix Sealed Maintenance Free (SMF) battery of capacity 12 V, 100 AH, suitable for existing 3 phase online UPS as required at location including initial charging complete with inbuilt charger including electrolyte/ distilled water etc including taking down of old battery and shifting to MES store yard for deposit all as directed by engineer in charge complete all as specified. Make of battery : Exide of model No. EP 100-12 SMF Power Safe Plus or equivalent in Amar raja (Power Zone)/ Amaron
25
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Supply and Fix Sealed Maintenance Free (SMF) battery of capacity 12 V, 65 AH, suitable for existing 3 phase online UPS as required at location including initial charging complete with inbuilt charger including electrolyte/ distilled water etc including taking down of old battery and shifting to MES store yard for deposit all as directed by engineer in charge complete all as specified. Make of battery : Exide of model No. EP 65-12 SMF Power Safe Plus or equivalent in Amar raja (Power Zone)/ Amaron
25
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Supply and Fix Sealed Maintenance Free (SMF) battery of capacity 12 V, 26 AH, suitable for existing 3 phase online UPS as required at location including initial charging complete with inbuilt charger including electrolyte/ distilled water etc including taking down of old battery and shifting to MES store yard for deposit all as directed by engineer in charge complete all as specified. Make of battery : Exide of model No. EP 26-12 SMF Power Safe Plus or equivalent in Amar raja (Power Zone)/ Amaron
40
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Note for Item No 104 to 106 :- The contractor shall submit full replacement warranty certificate for minimum 02 years from the date of installation.
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Carrying out pressure leak test of Central/Package AC plants of capacity 12/15/16.5/30 TR whenever required by nitrogen gas pressure for detecting leakage in cooling/condensing unit refrigerant pipe and repairing the leakage by welding or brazing of condensing/ cooling unit, refrigerant pipe and putting under pressure for leakage checking after repair of leaking pipe flushing out by N2 and CTC/ vaccumination complete all as specified and as directed. Note :- Supply & charging of refrigerant gas R-22/R-407C will be measured and paid for separately
5
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M&L for dismantling and descaling of chiller of 30 TR capacity by using of acid, wire brush including washing, cleaning etc, as per direction of Engineer in charge.
3
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M&L Earthing with Galvanised Earth Plate Electrode 600x600x 6mm thick burried directly in Ground (Earth Pit not less than 2.25 Metre below Ground Level) with Top edge of the Plate not less than 1.50 Metre below Ground Level, connected with Galvanised Earth Strip of size 32x6mm (upto 7.5m length) by means of Bolts, Nuts, Check Nuts and Washers of GI or Steel and connected Earthing Testing Point/Bus-bar including GI 40mm bore (dia) light grade Protection Pipe, Earth Plate surrounded by a packed thickness of Char Coal or Coke Dust mixed with Common Salt, Magneisum Sulphate (1 : 1 : 0.5) in alternate layers of not exc 150mm thick, PCC Pit in Cement Concrete 1:3:6 (20mm graded stone aggregate) and Pre-cast RCC Cover Slab of size 350x350x50 mm in Cement Concrete 1:2:4 (20mm graded stone aggregate), reinforced with 10mm dia TMT Bars @ 100mm Centre to Centre in both ways, GI Wire Mesh, Funnel with GI Watering Pipe 20mm bore (dia) medium grade including necessary Excavation in any type of soil, Returning, Filling in and Removal of surplus Spoil disposal to out side MD land and all as shown in Electrical Plate No. 3 of MES Schedule Part-I and Testing on Completion including taking down old unserviceable one, complete all as per specified and as directed.
20
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Note for Item No 110:-
(a) All Joints should be joined by Exothermic Welding or Brazing.
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(b) After completion of work earthing shall be tested by the contractor in presence of Engineer-in-Charge, User and proper record shall be maintained duly signed by all concerned.
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(c) Earth resistance tester shall be provided by the contractor. It should be caliberated from authorised company/ lab.
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(d) After testing if desired earth resistance of less than 5 Ohm is not obtained, the earthing will be redone at no extra cost to Govt till desired result is obtained.
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Periodical servicing and maint of electric operated hanger door comprising of 3 phase, 415V, 3.75 KW/ 5 HP capacity induction motor of Make - Siemens, 7HP VFD panel, chain pulley arrangement, push button for forwarding/ reverse movement of the doors, relays, limit switches, contactors, gear wheels, siren, ammeter and voltmeter, indicating lamps, MCB SP/ SPN of various capacities and suitable connecting cable etc. complete all as specified and directed by Engineer-in-Charge. Location - T-45 Hanger, T-46 Hanger, SP-19 Hanger, SP-18 Hanger, T-68 & 69 Hanger
2
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Note for item No 115 :- (a) Each hanger consists of 04 Nos of electric operated door.
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(b) The unit quoted rate shall deem to be included to carried out all repairs noticed.
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(c) Repairs/ maintenance shall be carried out through the experinced service agency only in the above locations on half yearly basis for the 6 hangers.
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(d) The service agency must be attended as and when called for urgent nature of repair of hanger door irrespective of number of visit.
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(e) Replacement of minor items shall be included in the unit quoted rate.
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(f) Replacement of any major defective items will not be included in the scope of work. However, the decision of Accepting Officer is final and binding in deciding, whether the defective item is major or minor in nature.
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M&L for rewinding of burnt electric induction motor of 3 phase, 415 volts, 3.75 KW/ 5 HP Make - Siemens including disconnecting electric connections/ taking down and shifting to local workshop and brought back to site and re-assembling, connecting, testing complete all as directed by Engineer-in-Charge.
3
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S&F in repairs PVC insulated and FR PVC round sheathed copper conductor flexible industrial cable, 10 Sqmm 2 Core with suitable epoxy based insulator for Hanger door motor connection with control panel as directed.
600
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Supply and fixing in replacement of Switch flame proof rotary type with termination box in LM6, 16A, single pole 250V. Make : Sudhir, Bajaj, Baliga.
6
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Supply and fix in replacement of contactor 3 Phase 415 Volt suitable for AC plant of capacity 3X45TR at Rotable Div and 2 x 7.5 TR at TRCL complete all as specified and as directed. Make-Siemens, ABB, Schneider, L&T.
2
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Supply and fix in replacement of Big end Bearing of compressor of Model : 5H - 40 Voltas make for 3 × 30 TR plant complete all as specified and as directed.
1
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Supply and fix in replacement of Small end Bearing of compressor of Model : 5H - 40 Voltas make for 3 × 30 TR plant complete all as specified and as directed.
1
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Supply and fix in replacement of unserviceable outdoor condensor fan motor of capacity single phase 0.5HP, 900 Rpm,suitable for AC plant at TRCL complete all as specified and as directed.
2
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Supply and fix in replacement of Oil pump assembly with gear of compressor of Voltas make for capacity 3 × 30 TR Rubber store complete all as specified and as directed.
1
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Supply and fix in replacement of Piston with rings (Oil ring / pressure ring) of compressor of Model : 5H - 40 voltas make for 3 × 30 TR plant complete all as specified and as directed.
1
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Supply and fix in repair condenser fan motor of outdoor unit of AC plant 3 x 16.5 TR capacity at transmitter complete all as specified and as directed.
3
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Supply and fix in repair condenser fan motor of outdoor unit of AC plant 2 x 7.5 TR capacity at TRCL complete all as specified and as directed.
2
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Supply only Refrigerant gas R – 407 C as and when required for AC plants of following capacity complete all as specified and as directed:-
400
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(a) 1 x 8.75 TR for T/51 Plant
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(b) 3 x 16.50 TR for Transmitter plant
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(c) 1 x 12 TR for Avro plant
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(d) 1 x 12 TR for signal section and OTF
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(e) 1 x 15 TR for CRRW,SEW
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(f) 3 x 45 TR for Rotable Division (P-26)
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(g) 1 x 16 TR for Clean Room (P-15)
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