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| 1 | M&L for complete checking of trip circuit from powertransformer body panel to relay panel of transformer protection for functioning of all trip relays for functioning of buculzes, winding & oil temp, OSR PRV and OLTC circuit and making necessary repairs of all contacts points, checking forced air circulator functioning with rise in oil/winding temp, replacement of relays, contactors complete all as specified and directed. |
| 2 | Disconnecting of HT supply from 33 KV VCB/SF-6 breaker of any make/type/capacity for repair works, servicing and taking out trolley with completedecarburizing the contactpoints, cleaning with CRCsolutioninner body cleaning with vaccum cleaner etc and repair/replacement of defective parts found during servicing. Reassembling and testing of relays for trippingtime setting, over current setting, earth fault setting etc including checking ofits control panel and power TR protection system such as differential relay, master trip relay, power TR oil/winding temp, bucolz relay and mechanical system etc after servicing testing complete all as directed by Engineer-in-Charge. Note :- (i) Spare parts will be measured and paid for separately under respective item and copper wire & ferule required for wiring is deemed to be included in this item.(ii) Testing and calibration of relays will be measured and paid separately under respective items. |
| 3 | M&L for rectification of fault of electrical circuit of 33 KV VCB (outdoor/indoor type) by checking, repair from CT/PT and programming of multifunctional meters and replacement of defective wiring with FRLSH multistranded PVC insulated copper conductor 1100 volts grade as per existing size of wire complete all as specified and directed. |
| 4 | M&L for repair , servicing of DC battery charger of capacity 200/100 AH,110/34 Volts 30 Amps FCBD with DCDB taking out all doors covers from front and rear, servicing comprising of thorough cleaning of complete inside cabinet with forced air and suitable cleaning agent, removing all dust/dirt, cleaning and servicing of all HRC fuses, battery input fuses, semiconductor fuses, AC input circuit breaker, DC output circuit beaker, all types of meter, indicator lamps, AC and DC over load circuit breaker, MCBs, PCBs, busbars, switchgears, all cable terminals with CTC and clean dry cloth, cleaning of outside surface by dry cloth, tightning of all nuts,bolts & washers. Repair comprising of replacement of burnt copper cable lugs, burnt switchgear, non-functional battery charger meter, indicator lamps, damaged panel metering wiring, selector switch, damaged panel door/cover knobs & door locks, damaged door hinges, and testing of battery charger at sub-stations complete all as specified and directed. |
| 5 | M&L for maintenance,servicing of 33/11 KV transformerOLTC control panel board after dismantling taking out all doors, covers from front and rear, servicing comprising of thorough cleaning of complete inside cabinet with forced air and suitable cleaning agent, removing all dust/dirt, cleaning of all insulators, busbar, switchgears, all cable terminals with C TC and clean dry cloth, cleaning of outside surface with CTC and dry cloth, tightning of all nuts,bolts & washers . Repair comprising of replacement of burnt aluminiumcable lugs, burnt switchgear, non-functional panel meters, indicators lamp, damaged panel door cover knob & door locks, damaged door hinges, damaged cable insulators with coloured heat shrink insulating sleeves and required nuts,bolts & washers. Overhauling comprising of dismantling cable ends from panel board and cab le duct, replace nut,bolts & washers complete all as specified and directed. Note :- Items required for replacement such as panel meters, indicators lamps, CT, selector switchs, metering cable will be includedin quoted rate. (ii) Required cleaning items, aluminium cable lugs, nuts/bolts & washers door hinges, door locks/cover knob, bakelite fuse base with HRC fuse of panel wiring circuit shall also be included inquoted rate. |
| 6 | M & L fortaking out IDMT relays from panel, opening it for repair work, servicing complete with decarburizing the contactpoints, cleaning with CRCsolution and inner body clean with vaccum cleaner etc and repair/replacement of all defective parts if any found during servicing. Reassembling and testing of relays for trippingtime setting, over current setting, earth fault setting etc complete all as specified and directed. NOTE :- All parts are deemed to be include in this item rate required for relay in service condition. |
| 7 | M&L for wiring from battery charger to all connected 11KV VCB with 2.5 sqmm, 1100 volt grade multi strand flexible copper conductors and shall be properly bunched, tied, ferruled for proper indication and crimped with adequate size/types of lugs after wiring testing complete all as specified and directed. |
| 8 | Supply and fix Power Pack for 11 KV VCB suitable for incoming supply 220/30 volts AC/DC supply and output 30 volts DC supply all as per existing with wiring all connected VCB complete all as directed by Engr-in-Charge. |
| 9 | Supply, installation, connection, commissioning and testing of oil cooled, outdoor type 33 KV current transformer having ratio of 300-200/5+5+1 A having protection core class 5P 10, burden of 15 VA and metering core class 1.0 and uurden of 15 VA breaking cap of 13.1 KV for 1.0 second including taking down of old unservicable onecomplete all as specified and directed. |
| 10 | Supply, installation, connection, commissioning and testing of 33 KV isolator, hand operated triple pole, off circuit, fault making horizontal/vertical mounted, 18 insulator type, centre post rotating type, double stac, 33 KV, 400 Ampsincluding taking down of old unservicable onecomplete all as specified and directed. |
| 11 | S & F in replacement of 33 KV single phase out dooroil cooledPT of ratio33KV/ √3 / 110 V/√3class 0.5 - 3 . Burden200 VA.Insulation class 70/170 KV , voltage factor 1.2 cont and 1.9 for 30 sec , confirming to IS : 3156 complete all as specified and directed.. |
| 12 | S & F in repair of PVC insulated and PVC sheathed cable galvanised steel strip or wire armoured electric control cables (Heavy Duty) with stranded copper conductor of size 2.5 Sqmm 8 core 1100 volt grade incluiding use of proper thimbles, lugs as in duct, trenches, cable tray or fixing on wall/pole etc. complete all as specified and directed. |
| 13 | All as per item No 12 above but 2.5 Sqmm 4 core 1100 volt grade. |
| 14 | M&L for earthing complete with galvanized steel plate electrode 60cm X 60cm X 6 mm thick buried directly in ground (Earth pit not less than 2.25 Mtrs deep below ground level) with top edge of the plate not less than 1.5 Mtr below normal ground level connected to galvanized strip 32 X 6mm size by means of bolts, nuts, check nuts and washer of galvanized iron or of steel, earth lead protected by 40mm dia GI pipe light grade watering pipe 20mm dia GI light grade GI wire messed funnel, alternative layer of charcoal and salt, PCC chamber, recessed for and including RCC cover including all necessary excavation and earth work, earth strips connected to HT/LT equipment testing the earthing after completion all as specified and shown in electrical plate No 3 of MES SSR Pt- I 2009 print, complete all as specified & directed. Note:- GI earth strip and GI protection pipe beyond 7.5 Mtr long measured and paid separately |
| 15 | Dismantling, taking out all earth connection of strip from any type panel board/transformer to earth test point any size and replace the worn out earth strip,proper clamp, saddle,nut/bolts and washers connect all joint with new nuts/bolts and washers to in original position all as specified anddirected. Note :- Earth Gi strip shall be measured and paid separetely. |
| 16 | S & F in replacementof GI earth strip 32 x 6 mm complete all as specified and directed. |
| 17 | S&F in replacement of copper strip 32 x 6 mm for extension of earth and connected totransformer/equipment or panelwith proper clamp,saddle,nuts,bolts and washers etc properly complete all as specified and as directed . |
| 18 | M&L for open earthing pit cover and filled salt water in earthing pit and next day testing of earthing resistance, using suitable earth megger and markedon earthingtest point with white/black paint and maintainingrecord in register submitted to Engr-In-Charge all as specified and directed . Note :- Required qty of salt shall be included in the quoted rate. (ii) Earth resistance Testing kit shall be provided by the contractor. |
| 19 | M&L for aggregate 20 mm and 40 mm thick, the first layer of lower size aggregate shall be spread uniformly and compacted to a thckness of approximately 40 mm, the second layer consist of 50 mm and 25 mm size agregate mixed in proportion of 2:1 by volume, which shall be spread uniformly and compacted to the thickness of approximately 60 mm thick all as specified and directed. Note Rate shallinclude removal of all existing dust,grease, roots of plant wherever necessary before spreading of aggregate. |
| 20 | Supply & install PCVCB out door type three phase 33 KV 1250 amps 50 Hz 26.3 kA having standard IEC 62271-100 with higher system voltage 36 kV, basis insulation level 70/17-0 kVp minimum creepage 900 mm with controlling voltage 230 VDC spring charge motor 230 VAC, enclosure fabrication meterial MS 3 mm dia including taking down of old unservicable one complete all as directed by Engr-In-Charge. |
| 21 | M&L for detection of fault through fault locating high voltage mobile machine to locate the fault in 11 KV / 33 KV HT cable by giving high voltage surge and to find out exact location of fault complete all as specified and directed.(Note :The item includes transportation, fuel charges, charging of machine etc. for full functioning of machine upto detecting fault at a time. Bidder must quote rate considering the fact that he is solelyresponsible to arrange fault locating machine & he shall not accept any facility from the dept for the same.) |
| 22 | Supply, lay, testing and connecting up XLPE insulated screened, PVC bedded galvanised steel strip or wire armoured electric power cables (heavy duty) with aluminium conductor 300 Sqmm, 3 core 11000 volts grade with suitable lugs,nut-bolts & washers including taking down old cable complete all as directed by Engr-In-Charge. |
| 23 | M&L for setting of 3 ph overcurrent+ earth fault relay by injection of current to CTs with suitable equipment for overcurrent & earth fault with high set and low set including checking of all other parameters of relays for proper tripping order after disconection of incoming or outgoing HT XLPE cable connection from VCB CTs and reconnection of cable ends at existing terminals after completion of relay setting complete all as specified and directed. Note :- (a) Relay setting shall be made considering corresponding values of upstream and down stream VCB relays and recording maximum demand of VCB. Any further adjustment of values as many times required shall be carried out within the quoted rate. (b) Recovery shall be made double the quoted rate if VCB fails to trip in indicated fault and group tripping recorded |
| 24 | S & F in replacement of HT VCB Copper alloy bus bar air insulated, appropriate size and length with 11KV grade Polipro power line protector (sleeve)designed to insulate bare busbar to prevent accidents due to electrocution/ ionisation. The protector should have excellent UV resistance, abrasion resistance, fire resistance properties, good dieelectric strength & maintenance free complete all as directed by Engr-in-Charge. |
| 25 | Maintenance, servicing, cleaning of Busbar chamber of each VCB including connecting Busbar from CT to Busbar, Spout support insulator, opening of cover using CTC and clean cloth and hot air blower, checking for any loose contact tightning of all nuts & bolts, refixing all covers complete all as specified and directed. |
| 26 | Maintenance, servicing, cleaning of Vacuum circuit breaker unit of 11 KV VCB panel of capacity 400 to 1600 Amps any makes & type , taking out from panel, cleaning of all parts with CTC and clean cloth, removal of carbon deposited inside the moving contacts, greasing of all moving parts of the VCB, checking of complete operating mechanism for proper functioning, reporting for any defective parts, complete all as specified and directed. (Note :- Replacement of defective parts of the VCB shall be measured and paid separately) |
| 27 | Supply & Fix of metallic (brass, alloy) PG clamps (for CT,PT, isolator & LA)having capacity 33000 volt suitable for panther/zebra/Dog ACSR conductor including fixing screwed nuts and washers complete all as directed by Engr-in-Charge.Note : - The contractor shall visit the site to check the existing CT,PT, isolator & LA clamp of 33 KV before installation. |
| 28 | S&Fof lightning arrester Zinc Oxide type complete with all fittings transmission class discharge capacity 65KA suitable for 11000 V including taking down old unserviceable lightning arrester complete all as specified and directed.. |
| 29 | S&Fof lightning arrester Zinc Oxide type complete with all fittings transmission class discharge capacity 65KA suitable for 33000 V including taking down old unserviceable lightning arrester complete all as specified and directed.. |
| 30 | M&L for framed work such as grills, gratings etc with ends of bars shouldered and/or rivetted or forged into spikes, ladders and similar works con-forming to Fe- 290, gde-E-165 including one coat of red oxide and two coat of syntehtic enamel paint including taking down of old one completeall as specifed and directed. |
| 31 | M&L for periodical cleaning of complete power transformer outer surface including 33 KV bushing, radiators, marshaling tank with volatile cleaning agent at every alternate 3 month to keep the complete outside surface dry and clean all specifed and directed. |
| 32 | M&L for complete painting of power transformer of capacity 2/3.15 MVA 33/11 KV outer surface in situ/wks with one coat of synthetic enamled paint using sprayer for transformer of capacity 2/3.15 MVA 33/11 Kv after preliminary preparation of old painted surface all as specified and directed. Note :- (i) After completion of painting HT/LT outdoor bushing cable termination joint, oil inspection glass meters, and name plates to be clean using volatile cleaner. |
| 33 | M&L for filtration/dehydration transformer oil of transformer voltage grade 33/11 KV, capacity 2/3.15 MVA outdoor type, floor mounted in situ tilldielectric strength minimum 60 KV at 4mm gap is achieved all as specified and directed.Note :- (i) Filtration/dehydration of transformer shall be carried out at the location where transformer installed and required pipe connection from filter machine to transformer shall be made and rate shall be inclusive of quoted rate. (ii) Necessary filter/dehydration plant having pressure guage, hour meter, temperature gauge, to be brought at site by contractor and to be kept permanently inside Air Force station till completion of work and rate deemed to be included in the quoted rate. In any condition, in-out of the filter machine during the progress of the work will not be allowed. |
| 34 | M&L for chemical analysis test of power transformer 2 MVA & 3.15 MVA comprising(i) Dissolve gas analysis (ii)Acidity (iii) water content, (iv) sludge, (v) Di electric strength, (vi) Specific resistance , (vii) flush point (viii) Density (ix) Appearance (x) , interfacial tension of transformer oil of 33/11 KV transformer by taking out5.0 ltr container and transporting to auth lab including submission of test report complete all as specified and directed (Note :- cost of container & transportation & lab test shall be included in the quoted rate. |
| 35 | M&L for testing of transformer 2 MVA & 3.15 MVA 33/11 KV by following test for HV & LV complete :- (a) Turn ration, (b) Magnetizing current test, (c) LV short circuit test (d) Insulation resistance test(e) Oil BDV test, (Note :- required testing equipment for transformer test shall be brought by the contractor and rate shall be included in quoted rate. |
| 36 | M&L for toping up/replacement of transformer oil with new transformer oil suitable for working voltage 33000 volt grade including necessary dehydration to achieve dielectric strerngth min 40 KV at 4 mm gap complete all as specified and directed. |
| 37 | S & F in replacement of HT VCB Aluminium alloy bus bar air insulated, appropriate size and length with 11KV grade Polipro power line protector (sleeve)designed to insulate bare busbar to prevent accidents due to electrocution/ ionisation. The protector should have excellent UV resistance, abrasion resistance, fire resistance properties, good dieelectric strength & maintenance free complete all as directed by Engr-in-Charge. |
| 38 | Supply and fixing cable jointing kit termination outdoor type for HT 11KV grade cable for end termination joint complete with jointing material (Heat shrink type) and accessories suitable for XLPE armoured aluminium conductor cable of size 240 to 300 sqmm 3 core and testing after jointing complete all as specified and directed. |
| 39 | Supply and fixing cable jointing kit termination indoor type for HT 11KV grade cable for end termination joint complete with jointing material (Heat shrink type) and accessories suitable for XLPE armoured aluminium conductor cable of size 240 to 300 sqmm 3 core and testing after jointing complete all as specified and directed. |
