Tender For distribution transformer of rating 250 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tap changer: off-load tap changer for variation of hv voltage from +5% to -10% in steps of 2.5%, energy efficiency level 3 or better, oil immersed, non-sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, conforming to is 1180 (part 1):2014 with amendment nos. 1,2,3,4 or latest, and supplied with all standard fittings mentioned in clause 20.1 of is 1180 (part 1) latest withcondition that drain-cum-sampling valve will be applicable for all capacity of transformers. oiltemperatureindicator & winding temperatureindicators will be provided as per clause 20.2 f) of is 1180 (part 1). terminal arrangement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings of appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall conform to is/iec 60137. the low voltage bushings (4 nos.) shall conform to is 7421. suitable cable-end box along with cable entry hole glands is to be provided at l.t. side. following has to be submitted by supplier along with supply of material: (i) type test report of transformer having same rating, make (& model if any) and design from nabl accredited lab as per is: 1180 (part 1) latest. (ii) routine test certificates as per is: 1180 (part 1) latest. (iii) special test certificates as per clause 21.4 sl. no. (a), (c), (d) & (e) of is: 1180 (part 1) latest. detailed specification attached as annexure a. [ warranty period: 30 months after the date of delivery ]]
Tender For e tender for supply, installation, and training of following hardware and software equipment items for forensic science and cyber forensic science lab up-gradation system at svspa, wb, barrackpore - equipment & software items details, digital comparison microscope, digital weight machine, pcr machine (polymerace chain reaction machine), fume hood system, water purification system, viscometer, density meter, liquid chromatographer, tlc apparatus, gel electrophoresis, gas chromatography mass spectroscopy (gc-ms), uv torch, tabloid printer, gel lifters, forensic photography kit / basic photo documentation kit, mobile multispectral forensic tablet, crime scene software, saeck (sexual assault evidence collection kit) kit box
Tender For corrigendum : supply of winding temperatureindicator with 4 switches 12 meters capillary length with potentiometer , oiltemperatureindicator with switches 12 meters capillary length with potentiometer , remote winding temperatureindicator with 4 sets of contacts , perpex container for breather , propex container for breather 15 mva , bucholze relay , buchholz relay for main conservator for , buchholz relay for service transformer , pressure relief valve , pressure relief device with 2 no contact , magnetic oil gauge , 50 nb manual butterfly valve
Tender For supply of thermometer sensor (oiltemperatureindicator) ,make bhel or jumo make ( part no 608520/2380) suitable for 1578 kva transformer fitted in 3 phase bhel ac emu rake. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of digital type transformer winding temperatureindicator (wti) and oiltemperatureindicator (oti) as per enclosed detailed specifications. valid test reports, product catalog and productdatasheet shall be supplied along with supply of the material. [ warranty period: 12 months after the date of delivery ] ]
Tender For stage/rate contract for supply of key material/equipments required for operation/maintenance of 33kv lines and 33/11-6.6 kv receiving stations valid for the financial year 2026-27 or till finalization of next stage contract - power transformers, supply of transformer oil as per is: 335-1993 with latest amendments thereof, supply of buchhloz relay for 33/11-6.6 -6.6 kv transformer protection (10mva / 6.3 mva/ 5mva) as per is 3637:1966, supply of winding temperatureindicator (wti) for 33/11-6.6 kv power transformer (10 mva / 6.3/ 5 mva ) as per relevant is 5561 standard., supply of oiltemperatureindicator (oti) for 33/11-6.6 kv for power transformer (10 mva / 6.3/ 5 mva )as per relevant is 5561 standard., supply of cork sheet 6 mm as per relevant is 5561 standard., supply of old sarees/dhoti cloth, supply of gaskets suitable for power transfomers, 33kv ct&pt, supply of 33/11-6.6kv power transformer (10/6.3/5 mva)bush rods with copper washers as per relevant is 3347 standard., hv side, lv side, supply of 33/11-6.6kv power transformer (10/6.3/5 mva)bushes as per relevant is 3347 standard., hv side, lv side, supply of 11 kv spout bushes (indoor type) conforming to relevant standards ammended up to date, supply of mechanical plunger (conforming to relevant standards ammended up to date ) for, 11 kv breakers (both incoming & outgoing), 33 kv vcbs both indoor & outdoor type, supply of 11 kv partition insulators/ bushes with inbuilt studs of required size conforming to relevant standards ammended up to date as per directions of site engineer, supply of dc connector for 11 kv panels conforming to relevant standards ammended up to date, supply of breather conforming to latest is 3202 (ammended up to date) for 10mva/ 6.3mva/ 5/ 3.15 mva., supply of silica gel as per is :3202, supply of o-ring oil sealing of sizes for power transformer bushes (hv/lv) as per is 3202., supply of galvanised iron angle/channel/flat per is :2062 grade "a" of sorts and sizes, g i channel 100x50x50x6 mm, g i channel 75x40x40x6 mm, g.i angle iron 65x65x6 mm, g.i angle iron 50x50x6 mm, g.i flat iron 40x6/ 50x6 mm, supply of arching horns (set of three pieces) for power transformer, supply of g.i bolt full thread of sorts and sizes with washers and nuts of different sorts and sizes, supply of 33kv current transformer (3-core) of reputed make,outdoor oil cooled, single phase (comprising of 3 no.) (as per is 2705 -1992 having ratio of is (is 2165, is 2705(i-iv), is 2099, is 5621, is 2071, is 335, is 13947(part i), iec 185,iec 270, iec 44(4), iec 171, iec 60, iec 8263, iec 815, indian electricity rules 2010), 400-200/5-5-5 a, 300-150/5-5-5 a, 250-125/5-5-5 a, 200-100/5-5-5 a, supply of 11 kv c.t.(2-core/3-core) of reputed make suitable for 11kv vcb panels (comprising of 3 no.) as per is (is 2165, is 2705(i-iv), is 2099, is 5621, is 2071, is 335, is 13947(part i), iec 185,iec 270, iec 44(4), iec 171, iec 60, iec 8263, iec 815, indian electricity rules 2003) having ratio:-, 800-400-200/5-5a, 750-375-187.5/5-5a, 600-300-150/5-5a, 400-200-100/5-5a, 200-100/5-5a, 150-75/5-5a, 100-50/5-5a, 50-25/ 5-5a, 33kv and 11kv outdoor type potential transformer, supply of 33kv potential transformer (comprising of 3 no.) of ratio 33kv/ 3 / 110v / 3 ,single phase,outdoor oil cooled, dead tank type pt as per is:3156 -1992, supply of 11kv potential transformer 11kv/ 3 / 110v / 3 three phase box type (combo unit) as per is :3156-1992, supply of 11kv potential transformer (comprising of 3 no.) 11kv/ 3 / 110v / 3 single phase seperate type as per is :3156-1992, 11kv and 33kv vcbs, supply of master trip relay 24-50 v rel 615 abb ied suitable for 11kv vcb switch gear panels (compitable for electric feild, pascal, scheinder, abb, essan l&t or any other equilant make), supply of digital protection relay adr 141c, rel 615 /abb ied,model no. er113 2 o/c + 1 e/f with high trip (mit113), auxiliary voltage = 0-36 volt conforming to iso 9001:2008 standards (compitable for electric fe
Tender For distribution transformer of rating 500 kva, 11kv/415v-240v, 3-phase, 50hz, outdoor type, plinth mounted, the type of tap changer for variation of hv voltage from +5% to -15% in steps of 2.5%, energy efficiency level 3 or better, oil immersed, non-sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, confirming to is 1180 (part 1): 2014with amendment nos. 1,2,3,4 or latest, and supplied with all standard fittings mentioned in clause 20.1 of is 1180 (part 1) latest with condition that drain-cum-sampling valve will be applicable for all capacity of transformers. oiltemperatureindicator & winding temperatureindicators will be provided as per clause 20.2 of is 1180 (part 1). terminal agreement: the transformers shall be fitted on high voltage and low voltage sides with outdoor type bushings appropriate voltage and current ratings. the high voltage bushings (3 nos.) shall confirm to is/iec 60137. the low voltage bushings (4 nos.) shall confirm to is 7421. suitable cable-end box along with cable entry hole glands is to beprovided at l.t. side. following has to be submitted by supplier along with supply of material: (i) type test report of transformer having same rating, make (& model if any) and design from nabl accredited lab as per is 1180 (part 1) latest. (ii) routine test certificates as per is: 1180(part 1) latest. (iii) special test certificates as per clause 21.4 sl. no. (a), (c), (d), (e) of is: 1180 (part 1) latest. [ warranty period: 30 months after the date of delivery ]
Tender For rca for procurement of local purchase material required for operations and maintenance of equipmets of 33 11 kv ss under onm circle raisen - isolator pad clamp for raccoon & dog conductor, 33 kv bushing for ptr suitable for 20 mm stud (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), 11 kv bushing for ptr suitable for 20 mm stud (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), mog(megnetice oil level indicator model-so-6 150 mm suitable for conservator mounting horizontal alarm switch low oil level, mfm suitable for control panel of all makes, c&r panel indicators, expulsion fuse 20 a for capacitor bank ( for 100 kvar unit), expulsion fuse 40 a for capacitor bank ( for 200 kvar unit), brass stud 20 dia suitable for 33 kv bushing (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), brass stud 20 dia suitable for 11 kv bushing (bimetalic clamp suitable for ptr 20 mm dia brass stud weight 1.450 kg), winding temperatureindicator (wti) , dial 150mm , with capilary, mercury swicth type, oiltemperatureindicator (oti) , dial 150mm , with capilary, mercury swicth type, tnc switch suitable for control panel of all makes, rubberized cork (gasket) strip size; 80 mmx10 mm, silica gel breather 3 kg casted acrylic plastic body with silica gel, silica gel blue, conical rubber washer for cts (size 12 mm), conical rubber washer for cts (size 16 mm), conical washer (19 mm), trip coil , shunt type 30 volt dc suitable for bhel make vcb specification 30 volt dc, resistance: 4.8 0.1 ohms, outer diameter 42 mm, inner diameter; 16mm (with brass tube) lenth- 93 mm, brass tube length: 98 mm, pluger length: 140 mm, copper wound and varnished with 0.5 meter insulated pvc 1.0 sqmm wire weight, coil: 505 gms, plunger: 126 gms, minimum overall weight of coil:965 gms., trip coil for essun make vcb, trip coil for megawin make vcb specification 30 volt dc, resistance: 4.8 0.1 ohms, outer diameter 42 mm, inner diameter; 16mm (with brass tube) lenth- 93 mm, brass tube length: 98 mm, pluger length: 140 mm, copper wound and varnished with 0.5 meter insulated pvc 1.0 sqmm wire weight, coil: 505 gms, plunger: 126 gms, minimum overall weight of coil:965 gms., auxiliary switch suitable for megawin make 11 kv vcb, auxiliary switch suitable for bhel make 11 kv vcb, bridge rectifier for battery charger., trip coil 30 volt dc suitable for stelmec with assembly, operating voltage: 3.5 0.1 ohm, closing coil with assembly for make stelmec 11kv vcb 30v dc,coil resistance 3.5 0.1 ohm, trip coil suitable for schneider make vcb with assembly 30 v dc,coil resistance 8.7 0.1ohm ,outer diameter 46mm,inner diameter 16mm,height 40mm,copper wound with 0.5meter insulated pvc 1.5sqmm.wire overall min.weight of coil 225gms., trip coil suitable for cgl make 11kv vcb with assembly 30 v dc,coil resistance 2.4 0.1ohm ,outer diameter 51mm,inner diameter 20mm,height 48mm,copper wound with 0.5meter insulated pvc 1.5sqmm.wire overall min.weight of coil 300gms., limit switch motor for 11kv & 33kv cgl vcb, trip coil with plunger for shreem make vcbs 30 v dc,coil resistance 3.9 0.1ohm ,outer diameter 51mm,inner diameter 26mm,height 51mm,copper wound with 0.5meter insulated pvc 1.5sqmm.wire overall min.weight of coil 395gms., 33 kv trip coil suitable for stelmec make vcb, auxiliary switch suitable for stelmec make vcbs, spring charging motor for bhel make vcb 230vac/220 dc/880 watt, 11kv vacuum interrupter suitable for stelmec vcbs model type/wl/34599m3+, spring charging motor suitable for stelmec make vcbs 220ac/dc 150 watts nl -rpm 10, spring charging motor suitable for crompton make vcb 220ac/dc 150 watts nl -rpm 10, trip coil 30 volt dc suitable for cg 33 kv vcb with assembly., big gear suitable for stelmec vcb, small gear for stelmec vcb, 11kv drive rod make magawin, 11kv drive rod make bhel, 11 kv insulating pull rod 11 kv bhel make vcb, single phase 500 watts hand drill machine bid dia size 2mm to 10mm, pg clamp
Tender For supply of digital type transformer winding temperatureindicator (wti) and oiltemperatureindicator (oti) as per enclosed detailed specifications. valid test reports, product catalog and productdatasheet shall be supplied along with supply of the material. [ warranty period: 12 months after the date of delivery ] ]