Military Engineer Services-MES has published Tender For Repairs/Maintenance Of Central Ac Plant And Walk In Cooler At Ota/Mh/Pallavaram Under Ge Stm. Submission Date for this Tender is 06-05-2024. HVAC Tenders in Chennai Tamil Nadu. Bidders can get complete Tender details and download the document.
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| bad02e43-1cb4-4910-b83e-f8a99f8dda80.html | Tender Notice | 0 KB |
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| BOQ_728136.xls | Tender Document | 0 KB |
| Tendernotice_1.pdf | Tender Document | 0 KB |
| Sl. No. | Item Description |
| 1 | BOQ UPLOADED ON 19 Apr 2024 |
| 2 | SCH "A" PART-I |
| 3 | Descaling of condensor unit and connected pipe lines of 2 x 75 TR central AC plantby circulating dilute hydrochloric acid solution and cleaning the tube with wire brush by removing the side cover till the tubes are thoroughly cleaned and recirculating the fresh water after fixing the side cover with necessary gasket and bolts and nuts complete all as specified and as directed. |
| 4 | Descaling of condensor unit and connected pipe lines of 3 x 100 TR central AC plantby circulating dilute hydrochloric acid solution and cleaning the tube with wire brush by removing the side cover till the tubes are thoroughly cleaned and recirculating the fresh water after fixing the side cover with necessary gasket and bolts and nuts complete all as specified and as directed. |
| 5 | Descaling of condensor unit and connected pipe lines of 3 x 120 TR central AC plantby circulating dilute hydrochloric acid solution and cleaning the tube with wire brush by removing the side cover till the tubes are thoroughly cleaned and recirculating the fresh water after fixing the side cover with necessary gasket and bolts and nuts complete all as specified and as directed. |
| 6 | Checking for refrigerant leaks the entire refrigerant systemlike flare joints, valve glands using leak detection devices and soap solution and halide torch or electronic leak detector and arresting the leaks by welding, bracing works, binding with teflon tape as required at site and topping up the gas for required suction and discharge pressure of central AC plant75 TR / 100 TR / 120 TR complete all as specified and as directed. |
| 7 | Note:- |
| 8 | Refrigerant shall be measured and paid forseparately. |
| 9 | Vacuumising of central AC plant75 TR / 100 TR / 120 TR using vacuum pump up to - 30 PSIG pressure and hold the same vacuum pressure up to 24 hours including necessary welding and bracing if required complete all as specified and as directed. |
| 10 | Leak testing of central AC plant75 TR / 100 TR / 120 TR using vacuum pump up to 300 PSIG pressure and hold the same vacuum pressure up to 24 hours including necessary welding and bracing if required complete all as specified and as directed. |
| 11 | Charging / topping up the refrigerant gas R-22 into the system and testing as per standard procedure of central AC plant75 TR / 120 TR complete all as specified and as directed. |
| 12 | Charging / topping up the refrigerant gas R-134A into the system and testing as per standard procedure of central AC plant100 TR complete all as specified and as directed. |
| 13 | Gun metal nozzle of suitable size as in repairs for cooling towers of capacity 240 TR / 200 TR / 75 TRcomplete all as specified and as directed. |
| 14 | Filter set of three 75 C as in repairs for drier of central AC plant75 TR / 120 TR complete all as specified and as directed. |
| 15 | Note:- |
| 16 | Make shall ALCO Model No. D-48 |
| 17 | Water pressure cut out type RC-61, MWP 150 PSIG, 250 Volts, AC, 15 Amps as in repairscomplete all as specified and as directed. |
| 18 | Note:- |
| 19 | Make shall be Indfoss |
| 20 | Cleaning the compressor unit after draining out old compressor oil, overhauling/ unloading system, refilling with new compressor oil to the required level including replacement of oil filter element and testing as per standard procedure complete all as specified and as directed. |
| 21 | Actuator 3 way solenoid valve as in repairscomplete all as specified and as directed. |
| 22 | Note:- |
| 23 | Make shall be SANLAN |
| 24 | Pilot control valve with drier SWP 500, MOP D 275, QC 155 as in repairscomplete all as specified and as directed. |
| 25 | Note:- |
| 26 | Make shall be SPORLAN |
| 27 | Low pressure, high pressure cut out as in repairscomplete all as specified and as directed. |
| 28 | Note:- |
| 29 | Make shall be Danfoss |
| 30 | Oil pressure cut out as in repairscomplete all as specified and as directed. |
| 31 | Note:- |
| 32 | Make shall be Danfoss |
| 33 | Industrial type pressure gauge with gun metal / brass valves adequately supported as per specificationsas in repairscomplete all as specified and as directed. |
| 34 | Chilled water NRV suitable for existing plant as per specifications as in repairs complete all as specified and as directed. |
| 35 | Temperature sensor/Transmitter suitable for Central AC plant MCS-100 complete all as specified and as directed. |
| 36 | Pressure sensor/Transmitter suitable for Central AC plant complete all as specified and as directed. |
| 37 | Digital Thermometer with Humidity meter specificationsas in repairscomplete all as specified and as directed. |
| 38 | Dismantling of cooling tower service panel, draining out water completely, cleaning of honey comb fills (drift eliminators), nozzles etc., by caustic soda and wire brush, cleaning of cooling tower tank by removing all algae from the basin, cleaning the GI pipes by removing the sediments, cleaning of sump suction filter - 01 No and pump side filter strainers - 2 Nos for cooling tower of capacity 240 TR complete allasspecifiedandas directed. |
| 39 | Dismantling of cooling tower service panel, draining out water completely, cleaning of honey comb fills (drift eliminators), nozzles etc., by caustic soda and wire brush, cleaning of cooling tower tank by removing all algae from the basin, cleaning the GI pipes by removing the sediments, cleaning of sump suction filter - 01 No and pump side filter strainers - 2 Nos for cooling tower of capacity 200 TR complete allasspecifiedandas directed. |
| 40 | Dismantling of cooling tower service panel, draining out water completely, cleaning of honey comb fills (drift eliminators), nozzles etc., by caustic soda and wire brush, cleaning of cooling tower tank by removing all algae from the basin, cleaning the GI pipes by removing the sediments, cleaning of sump suction filter - 01 No and pump side filter strainers - 2 Nos for cooling tower of capacity 75 TR complete allasspecifiedandas directed. |
| 41 | PVC honey comb fills (drift eliminators)of suitable size for cooling tower of capacity 75 TR / 200 TR / 240 TR as in repairscomplete all as specified and as directed. |
| 42 | Rectangular / round ducting, fabricated from GSS sheet metal, 24 gauge, including neoprene rubber gaskets, insulation of resin bonded glass wool 25mm thick, of density 32 kg / cum, 25mm x 25mm x 1.25mm,GIsections complete all as specified and as directed. |
| 43 | Plain galvanised iron sheet, 24 gauge, inside ofAHU including necessary welding / bracing complete all as specified and as directed. |
| 44 | Dismantling, overhauling AHU, assembling and testing complete as described below complete all as specified and as directed. |
| 45 | (a) Inspection of absolute filters, remove and cleaning vacuum cleaners and refix back in place, |
| 46 | (b) Clean cooling coil, fins by using caustic soda and water pressure method, applying grease for all motors, check and adjust belt tension as required, check condition of blower shaft, scroll, impeller and bearings, check tightness of all electrical terminations, clear water line strainers, check proper balancing system, check for noise and vibration. |
| 47 | (c) Check healthy operation of controls and safety devices. |
| 48 | SPA "V" belts suitable for AHUs of 150 TR, 200 TR and 240 TR capacity AC plants complete all as specified and as directed. |
| 49 | Bearing suitable for AHU blower and motor for 75 TR / 200 TR / 240 TR capacity AC plants complete all as specified and as directed. |
| 50 | Limit switch Type-LSR with die cast cover with roller lever for AHU door complete all as specified and as directed. |
| 51 | Environmental friendly, ultra modern, energy saving, surface mounted, decorative hexagon bulk head Back-lit LED luminaire, 10 W comprising of high brightness LEDs fixed onAHU including necessary connection as in repairs complete all as specified and as directed. |
| 52 | Note:- |
| 53 | Make shall be of Havells Cat No.HEXA FT10WLED 857SSYMBOPC or equivalent of makes as listed here-in-after. |
| 54 | Servicing ofLT AC plant panel board of any size including connected AHU starter panels and wirings, cleaning of panel board internally and externally, tightening all screws and nuts and bolt, replacing minor parts like screws, washers, lugs etc, checking the serviceability of all switchgears complete all as specified and as directed. |
| 55 | Note:- |
| 56 | Unserviceable switchgear shall be measured and paid separately. |
| 57 | Electronic timer 240 V, 50 Hz, 3-30 sec for star delta starter complete all as specified and as directed. |
| 58 | MNX 18 W contactor assembly, AC - 3, 415 V, 16 Amps complete all as specified and as directed. |
| 59 | MNX 25 W contactor assembly, AC - 3, 415 V, 25 Amps complete all as specified and as directed. |
| 60 | MNX 40 W contactor assembly, AC - 3, 415 V, 40 Amps complete all as specified and as directed. |
| 61 | Contactor combination (Relay) 2 NO + 2 NC, 415 V, 10 Amps complete all as specified and as directed. |
| 62 | MCB 40 Amps, TPN, 240 Volts, 50 Hz, AC supply, "C" curve, with breakingcapacity of 10 kA complete all as specified and as directed. |
| 63 | MCCB 100 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 16 kA breaking capacity, with fixed thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 75% of Icu having spreader links and barriers as standard feature of manufacturer as in repairs complete allas specified and as directed. |
| 64 | MCCB 160 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 25 kA breaking capacity, with fixed thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics = 75% of Icu having spreader links and barriers as standard feature of manufacturer as in repairs complete allas specified and as directed. |
| 65 | MCCB 250 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 35 kA breaking capacity, with fixed thermal and fixed magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics =100% of Icu having spreader links and barriers as standard feature of manufacturer as in repairs complete allas specified and as directed. |
| 66 | MCCB 400 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 50 kA breaking capacity, with adjustable thermal and adjustable magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics =75% of Icu having spreader links and barriers as standard feature of manufacturer as in repairs complete allas specified and as directed. |
| 67 | MCCB 800 Amps, 3 pole, 415 Volts, 3 phase, 50 Hz, 50 kA breaking capacity, with adjustable thermal and adjustable magnetic setting with protection for overload and short circuit and conforming to IEC60947 / IS 13947 (Pt-II) 1993 (Latest version) and with Ics =50% of Icu having spreader links and barriers as standard feature of manufacturer as in repairs complete allas specified and as directed. |
| 68 | Standard universal LED indicators, of colour RYB as in repairs complete all as specified and as directed. |
| 69 | Automatic power factor control unit, 230 V, 8 steps as in repairs complete all as specified and as directed. |
| 70 | Power capacitors, 415 V, 50 Hz, 10 kVAR, 3 Phase as in repairs complete all as specified and as directed. |
| 71 | Power capacitors, 415 V, 50 Hz, 5 kVAR, 3 Phase as in repairs complete all as specified and as directed. |
| 72 | PVC insulated copper wire, single core, 6 sqmm, 1100 Volts,as in repairs complete all as specified and as directed. |
| 73 | MCB, single pole, 6-32 A, 230 Volts, 10 kA, "C" seriesas in repairs complete all as specified and as directed. |
| 74 | MCB, triple pole, 6-32 A, 230 Volts, 10 kA, "C" seriesas in repairs complete all as specified and as directed. |
| 75 | Single phase preventor as in repairs complete all as specified and as directed. |
| 76 | Disconnecting from base plate and transporting the pump sets with motor or AHU blower motor from site to workshop for repairs and and return back to site, fixing the pump and motor on base plate, coupling the motor and pump as required, connecting the suction pipe and delivery pipe lines, connecting to electric supply and testing and commissioning inclusive of providing newmild steel nuts and bolts as requiredcomplete allasspecifiedandas directed. |
| 77 | Note:- |
| 78 | Repairs as required for the motors and pumps shall be measured and paid for separately. |
| 79 | Dismantling mono block pump motor, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 20 HP complete all as specified and as directed. |
| 80 | Dismantling mono block pump motor, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 15 HP complete all as specified and as directed. |
| 81 | Dismantling mono block pump motor, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 12.5 HP complete all as specified and as directed. |
| 82 | Dismantling induction motor ofAHU / cooling tower, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 15 HP complete all as specified and as directed. |
| 83 | Dismantling induction motor ofAHU / cooling tower, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 12.5 HP complete all as specified and as directed. |
| 84 | Dismantling induction motor ofAHU / cooling tower, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 10 HP complete all as specified and as directed. |
| 85 | Dismantling induction motor ofAHU / cooling tower, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 7.5 HP complete all as specified and as directed. |
| 86 | Dismantling induction motor ofAHU / cooling tower, rewinding the with super enamelled copper winding of appropriate gauge and quality andinsulatedwith varnish after removal of burnt out winding from slots with emery paper, including replacement of worn out bush, bearing, shaft metalling / grinding, reassembling and testing of capacity 1.5 to 5 HP complete all as specified and as directed. |
| 87 | Dismantling mono block pump set with motor / induction motor ofAHU / cooling tower, of any make, servicing by overhauling, cleaning, greasing, lubricating, replacing worn-out spares, reassembling and testing of capacity 10 HP to 20 HP complete all as specified and as directed. |
| 88 | Note:- |
| 89 | Spares as required shall be measured and paid separately |
| 90 | Supply only ball bearing complete all as specified and as directed. |
| 91 | Supply only bearing sleeve complete all as specified and as directed. |
| 92 | Supply only pulley bearing for AHU complete all as specified and as directed. |
| 93 | Supply only motor bearing for AHU complete all as specified and as directed. |
| 94 | Supply only temperature sensor complete all as specified and as directed. |
| 95 | Supply only temperature transmitter complete all as specified and as directed. |
| 96 | Supply only terminal connector any size any capacitycomplete all as specified and as directed. |
| 97 | Supply only mild steel metal shaftcomplete all as specified and as directed. |
| 98 | Supply only gasket suitable for any size and capacity complete all as specified and as directed. |
| 99 | Supply only cast iron impeller with nuts of suitable size complete all as specified and as directed. |
| 100 | Supply only gland rope (graphite rope) 1/4" size, 1/2" size and 3/4" size any capacity complete all as specified and as directed. |
| 101 | Supply only mild steel bolts, nuts and washers with suitable flange any size any capacity complete all as specified and as directed. |
| 102 | Supply only mild steel foundation bolts, nuts and washers withany size any capacity complete all as specified and as directed. |
| 103 | Dismantling mono block pump set with motor / induction motor ofAHU / cooling tower, of any make, servicing by overhauling, cleaning, greasing, lubricating, replacing worn-out spares, reassembling and testing of capacity 2 HP to 7.5 HP complete all as specified and as directed. |
| 104 | Note:- |
| 105 | Spares as required shall be measured and paid for separately |
| 106 | Supply only ball bearing complete all as specified and as directed. |
| 107 | Supply only bearing sleeve complete all as specified and as directed. |
| 108 | Supply only terminal connector any size any capacitycomplete all as specified and as directed. |
| 109 | Supply only mild steel metal shaftcomplete all as specified and as directed. |
| 110 | Supply only gasket suitable for any size and capacity complete all as specified and as directed. |
| 111 | Supply only cast iron impeller with nuts of suitable size complete all as specified and as directed. |
| 112 | Supply only AHU Belt of suitable size of any make complete all as specified and as directed. |
| 113 | Supply only mild steel foundation bolts, nuts and washers withany size any capacity complete all as specified and as directed. |
| 114 | Butterfly valve, wafer type,Class PN 1.6, with SG iron body and disc, suitable for 150mm bore of pipe with necessary fixing arrangements such as fasteners, nitriles orEDPMrubber lining, stainless steel pins, ring, bolts and nuts etcas in repairs complete all as specified and as directed. |
| 115 | Volume control dampers of GI construction, lever operated including accessories etc., as requiredas in repairs complete all as specified and as directed. |
| 116 | S&F Canvas cloth on duct with provision of zips for both inlet and outlet of AHU complete all as specified and as directed. |
| 117 | Balancing valve with built in measuring facility with cast iron body, Class PN 1.6 rating, flanged construction, with EDPM coated disc with long pitch protected out pipe insulation for chilled water circulation of size 100mm dia in the chilled / plumbing duly insulated to the same specifications as the connected pipeline and adequately supported as in repairs complete all as specified and as directed. |
| 118 | Balancing valve with built in measuring facility with cast iron body, Class PN 1.6 rating, flanged construction, with EDPM coated disc with long pitch protected out pipe insulation for chilled water circulation of size 40mm dia in the chilled / plumbing duly insulated to the same specifications as the connected pipeline and adequately supported as in repairs complete all as specified and as directed. |
| 119 | Comprehensive maintenance / servicing of DG set of capacity 200 kVA, Greaves Make Engine coupled with Greaves Make alternator including servicing all partsincluding change of engine oil to full quantity, change of coolant to required level, change of oil filter, fuel pre-filter, air filter, air cleaner safety element and consumables such as cotton waste, grease, cleaning liquids etc all as per manufacturers manual once in four months and attending breakdown as and when required work carried out by authorised service provider complete all as specified and as directed. |
| 120 | Supply only oil servicing kit for DG set of capacity 200 kVA, Greaves Make Engine coupled with Greaves Make alternator as per manufacturers recommendation including supply of filters and engine oil work carried out by authorised service provider complete all as specified and as directed. |
| 121 | Comprehensive maintenance / servicing of DG set of capacity 125 KVA, Kirloskar Make Engine coupled with KirloskarMake alternator including servicing all partsincluding change of engine oil to full quantity, change of coolant to required level, change of oil filter, fuel pre-filter, air filter, air cleaner safety element and consumables such as cotton waste, grease, cleaning liquids etc all as per manufacturers manual once in four months and attending breakdown as and when required work carried out by authorised service provider complete all as specified and as directed. |
| 122 | Supply only oil servicing kit for DG set of capacity 125 KVA, Kirloskar Make Engine coupled with KirloskarMake alternator as per manufacturers recommendation including supply of filters and engine oil work carried out by authorised service provider complete all as specified and as directed. |
| 123 | Renewal of unserviceable lead acid rechargeable batteries with new 4 cell 12 Volts, 180 AH duly charged initially for Genset work carried out by authorised service provider complete all as specified and as directed. |
| 124 | Material and labour battery charger module 12V/24V for 30 KVA to 400 KVA for online charging of batteries and necessary fixing arrangement as per the site requirement complete all as specified and as directed. |
| 125 | Supply only distilled water suitable for DG Sets batteries of any make & model. |
| 126 | Earthing complete with galvanised iron earth plate electrode 600mm X600mm X minimum 6mm thick, with and including earthing of 25mm x 4mm GI strip protected by 40mm dia GI pipe light grade up to a length of 7.5m. The plate shall be buried directlyin ground vertically to a depth not lessthan2.25 metres below ground level with top edge of the earth plateat a depth not less than1.5 metres belowgroundlevel, connectedto earth leadasdescribedhere-in-beforebymeansofbolts,nuts, washers and checknuts made out ofgalvanised iron or mild steel, earthingleadprotectedby asdescribedhere-in-beforeand connected to main switch board or main control board or electric poleall asshownonelectricalplate No.3of MES Sch Part-Iincluding necessaryearth work and excavation in any type ofsoil,plain cementconcrete1:3:6,typeC1 chamber,reinforcedcement concretecover slab with locking arrangement and handle of 10mm dia MS round bars 450mm long, 1:2:4 type B1, 50mm thick with 8mm diaTMT barsat140mmcentreto centrebothways, GI pipe of bore 20mm medium grade for watering with funnel, wire mesh, salt, charcoal, lugsincluding testing and taking down the old earthing complete all as specified and as directed. |
| 127 | Preparation of surface by removing dust, emery paper, tinkering, applying metalputtywherever necessary and paintingwith one coat of synthetic enamel paint of existing shade / colour on outer side of Chiller unit, Compressor unit of central AC plant2 X 75 TR / 3 X 100 TR / 3 X 120 TRcomplete allasspecifiedandas directed. |
| 128 | Preparation of surface by removing dust, emery paper, tinkering, applying metalputtywherever necessary and paintingwith one coat of synthetic enamel paint of existing shade / colour of condenser pipe line, inlet and outlet (length up to cooling tower basin) and chiller pump pipe line inlet and outlet (length up to plant room wall) including marking and numberingcomplete allasspecifiedandas directed. |
| 129 | Preparation of surface by removing dust, emery paper, tinkering, applying metalputtywherever necessary and paintingwith twocoats of synthetic enamel paint over a coat of red oxide zinc chrome primer of existing shade / colour on inner side and outer side of cooling tower of 75 TR / 200 TR / 240 TR capacity complete allasspecifiedandas directed. |
| 130 | Preparation of surface by removing dust, emery paper, tinkering, applying metalputtywherever necessary and paintingwith twocoats of synthetic enamel paint existing shade / colour of mono block pump set with motor / induction motor ofAHU / cooling tower complete allasspecifiedandas directed. |
| 131 | Wire netting of galvanised steel wire 0.91mm dia, size of mesh 12mm fixed with tinned tacks of wire staples as in repairs complete all as specified and as directed. |
| 132 | Supply and fix rolled mild steel as in joists, channel, angle or tee sections, fixed independently, without connecting plates etc., (cut to ordinary lengths i.e within 20mm of the length indicated of Fe-410-W (Grade E-250 quality A) complete all as specified and as directed. (For fixing AHU motor base and Duct support) |
| 133 | Dismantling existing rusted /leakage duct & taken as schedule of credit and Supply, fabricating, installation, testing and commissioning of GI sheet metal ducting, Zinc coated complete with standard accessories, GI hardware, self adhesive elastomer foam gasket, support etc of 22 gauge as per IS 655 and particular specification. Note :- (i) The supports such as threaded roads, flanged joints braces, shall be galvanized as per IS 655. (ii) the items required for completion of ducting work have been considered above. However, if any items not mentioned above but required for smooth functioning and successful operation of duct shall be included into quoted rates of above items. |
| 134 | M&L for thermal insulation of duct using adhesives and FG crown-150 factory laminated covered with aluminium foil of 50 mm thickness complete all as specified. |
| 135 | Supplying and fixing fire extinguisher carbon dioxide (CO2) extinguishers consisting of welded M.S. cylindrical body, light weight squeeze lever discharge valve fitted with pressure indicating gauge with internal discharge tube, discharge nozzle suspension bracket of capacity 4.5 Kg as per IS 2878 complete with holding accessories including taking down old unserviceable one complete all as specified and directed. |
| 136 | Supplying and fixing fire extinguisher carbon dioxide (CO2) extinguishers consisting of welded M.S. cylindrical body, light weight squeeze lever discharge valve fitted with pressure indicating gauge with internal discharge tube, discharge nozzle suspension bracket of capacity 6.0 Kg as per IS 2878 complete with holding accessories including taking down old unserviceable one complete all as specified and directed. |
| 137 | Supply and fixing in repairs/replacement bakelite terminal plate including brass studs, bolts and nuts etc suitable to match any make of 3 phase electric motors and capacity up to 15 HP complete all as specified and as directed. |
| 138 | Cast iron non return sluice valve suitable for 150mm bore of pipe with flanged ends drilled with holes, Class PN 1.6 (conforming to IS 14846)with brass spindle and checknut, rubber gasket 3mm thick, nut, bolts and washers, necessary machining works as in repairs complete all as specified and as directed. |
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