Tender For supply of copper plate of purity not less than 90 percentage,copper strip of purity not less than 90 percentage,copper solid rod lightning arrestor of purity not less than 90 percentage,pvc insulated multi strand copper cable of purity not less than 90 percentage,pvc insulated multi strand copper cable of purity not less than 90 percentage,pvc pipe for earth pits,gi pipe with base plate,common salt granular,charcoal granular,brazing of interconnection,construction of inspection chamber,soil treatment,copper cable lugs - ring type lugs,copper cable lugs - ring type lugs,brass nut bolt with washer,copper equipotential earth bus bar of purity not less than 90 percentage,gi cable tray with cover 300 mm width,cat6e utp cable,high-quality metallic rj45 connector with boot for cat6e cable,layer-2 manageable 16-port rack-mountable network switch,adhesive anti static esd floor mat,42 u rack,32 amp double pole dc mcb,dc copper cable,dc copper cable,hard excavation work,soft excavation work,sitc charges for complete earthing syst
Tender For supply of xlpe cable for working voltages up to and including 1. 1 kv as per is 7098 (part 1) (q2) , dismantling and taking down of concrete of any description and in any position complete , m and l for pcc 1 column 4 column 8 type d2 40mm graded stone agg , m and l for pcc 1 column 2 column 4 type b1 using 20mm graded stone aggregate in coping and the like including weathering slightly rounded angles , disconnecting of ht lt cables earth strips of declared ber transformers , s and f of outdoor non sealed type mineral oil distribution transformer step down copper wound having primary side voltage at 11 kv 3phase , 433 volts at 50 hz frequency of capacity 250 kva , 433 volts at 50 hz frequency of capacity 75 kva , m and l for earthing complete with gi earth plate as electrode of size 600x600x6mm thick , m and l of chemical earthing complete with 50 mm dia copper pipe filled with chemical sulphate , material and labour for gi earth strip of size 32x6mm thick , material and labour for copper earth strip of size 20x3mm thick , dismantling taking out carefully old ug cable from trenches after disconnecting from oh conductors , taking down of existing unsv hdpe pipe of size 90mm outer dia from existing locations , m and l for replacement double walled corrugated hdpe duct pipe of 90mm outer dia , m and l for replacement double walled corrugated hdpe duct pipe of 50mm outer dia complete ) /bid number: gem/2025/b/6945591 * /dated: 04-12-2025 & & / bid document1 / 26
Tender For supply of sitc of earthing material for new dvor site at varanasi airport c c - copper plate , copper strip , copper wire , copper rod , insulated copper wire , gi pipe with socket and reducer 2inch 1inch , gi pipe with suitable gi base plate to mount 4 inch gi pipe , perforated gi earthing pipe , pvc pipe , heavy duty pvc pipe plastic corrugated hose , salt , charcoal , raceway with l and t junction , perforated cable tray with l and t junction , extension board , self-supporting heavyduty folding aluminium ladder , heavy duty pvc pipe plastic corrugated hose , hose pipe , electrical cable , electrical top , frangible fiber reinforced plastic frp poles , conventional lightning arrestor , sitc work
Tender For providing of custom bid for services - upgradation and strengthening of spd surge protection device and copper plate earthing at different weighbridges under sp mines area
Tender For provisioning of electrical and mechanical eqpt against ber under ge 862 ews - supply, installation, testing and commissioning of serve controlled voltage stabilizer (confirming to bis 9815 (part-1) 1994, reaffirmation 2019 latest version) three phase, four wire (rybn), 50 hz, naturally oil cooled, outdoor, unbalanced type, cooper wound, metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of transformer oil up to level having following specification:-(a) capacity 300 kva (b) type - suitable for unbalanced load and unbalanced input(c) input voltage -360v-480v, input frequency 50 hz (d) output voltage - stabilized at any deigned/ desired voltage 415/+-1% (e) rated frequency - 50 hz(f) wave form distortion - nil (g) response time - not to exceed 20 milli seconds(h) sensitivity - (+/-) 1% (j) rate of correction - not less than 6 volt/second between phase and neutral (k) efficiency - more than 95% (l) type of load - three phase, unbalanced type(m) metering - digital display voltmeter/ammeter with multi-functional meter (n) operating temperature - for indoor use upto max ambient temp + 55 c (o) dimmer rating - 450 amp (p) dimension of tanks - as per oem design(q) oil capacity- as per oem design , (r) class of insulation - class f (s) mode of operation automatic/manual (t) winding temperature rise - max 55 c (10 c above operating temp) (u) transformer oil -is 335 marked (v) core-crgo m4 grade/crno (cold roll grain oriented)/ (cold rolled non-oriented)(w) auto transformer (variac) -100 percent copper wound electrolytic grade(x) losses - as per is norms (y) power factor - not less than 0.95(z ) protection - (i) over load protections (ii) short circuit protections (iii) high/low voltage cut off (iv) by pass arrangement in case of emergency (v) single phase sequence change /phase fail protection (vi) earth fault protection(aa) standard fitting & accessories e.g marking plate, lifting lugs, ci rollers, earthing terminals, cable box including suitable platform as reqd on site complete all as as specified & directed., supply, installation, testing and commissioning of serve controlled voltage stabilizer (confirming to bis 9815 (part-1) 1994, reaffirmation 2019 latest version) three phase, four wire (rybn), 50 hz, naturally oil cooled, outdoor, unbalanced type, cooper wound, metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of transformer oil up to level having following specification:-(a) capacity 100 kva (b) type - suitable for unbalanced load and unbalanced input(c) input voltage -360v-480v, input frequency 50 hz (d) output voltage - stabilized at any deigned/ desired voltage 415/+-1% (e) rated frequency - 50 hz(f) wave form distortion - nil (g) response time - not to exceed 20 milli seconds(h) sensitivity - (+/-) 1% (j) rate of correction - not less than 6 volt/second between phase and neutral (k) efficiency - more than 95% (l) type of load - three phase, unbalanced type (m) metering - digital display voltmeter/ammeter with multi-functional meter (n) operating temperature - for indoor use upto max ambient temp + 55 c (o) dimmer rating - 150 amp (p) dimension of tanks - as per oem design(q) oil capacity- as per oem design , (r) class of insulation - class f (s) mode of operation automatic/manual (t) winding temperature rise - max 55 c (10 c above operating temp) (u) transformer oil -is 335 marked (v) core-crgo m4 grade/crno (cold roll grain oriented)/ (cold rolled non-oriented)(w) auto transformer (variac) -100 percent copper wound electrolytic grade(x) losses - as per is norms (y) power factor - not less than 0.95(z ) protection - (i) over load protections (ii) short circuit protections (iii) high/low voltage cut off (iv) by pass arrangement in case of emergency (v) single phase sequence change /phase fail protection (vi) earth fault protection(aa) standard fi
Tender For corrigendum : rate contract for purchase of various items for repair of failed distribution transformers at nigams workshop - alu lv strip (size as required) dpc(variable with base date 1.6.25), alu hv bare (size as required) semc(variable with base date 1.6.25), cotton tape 1, sleeve 1 mm, 20 mil paper 30, 4 mil paper 24, 4 mil paper 26, 4 mil paper32, 4 mil paper 30, gum, 10 mil paper 20, core clamping insulation 2 mm, yoke various sizes mm, common block various sizes mm, oil duct various sizes mm thickness, stick various sizes mm, wooden spacer 45x45x15 mm, spacer 45x45x3 mm, ring 136x201x2 mm, delta flat 480x30x5 mm, lv chips 380x6x1 mm, foot plate paper 2 mm, p.c phase barrier various size mm, nut g.i.various sizes, washer g.i.various sizes, bolt g.i.various sizes, delta wire various sizes, earthing patti 1 mm thickness tinned copper 20mmx1mm, aluminium flat various sizes mm, delta patti, sleeve 8 mm, sleeve 4 mm, sleeve 6 mm, sleeve 10 mm, sleeve 12 mm, sleeve 1.5 mm, sleeve 2 mm, 1/2 nut g.i., 1/2 lock nut g.i., 1/2 washer g.i., flux, solder wire, copper brazing rod, aluminium brazing rod, brazing powder (l&t), crepe tape 1, 1/2 bakelite, 3/8 bakelite, hv bushing (porcelain,), hv bushing (metal part) complete set, lv bushing (porcelain,), lv bushing (metal part) complete set, ehv grade type-ii transformer oil ( with drum )(variable with base date 1.6.25), prv valve (virat), pvc cap 1/2, ci cap 1.25, paint (green/red/yellow/white/blue), thinner, zinc chromate, cork washer 12x32mm,110x74mmx50x28mm, top cover gasket 50x50x6 mm, oil gauge prismatic glass various size, oil gauge gasket various sizes, oil gauge washervarious sizes, oil gauge nut various sizes, vent pipe gasket 110x110x3 mm, hv clamp, aluminium member, m.s nuts,bolts,washers various sizes, mccb for box 32 amp, mccb for box 40 amp, mccb for box 63 amp, mccb for single phase 25amp, mccb for single phase 40amp, mccb for single phase 63amp, mccb box gasket 500x250x5 mm, silica gel breather, hv bmc, arcing horn with strip & nut bolt, candles mom, backalite sheet 0.50 mm thickness 60x60 mm, u clamp 70 x 50 x 70 mm prv, u clamp ci cap 50x50x50 mm, cloth, lt internal/ oil immerged circuit breaker assorted rating, holdtite, 1/4x2.5 bolt brecker, 1/4 nut brecker, aluminium lugs (various sizes), paint gun, engraving machine, hv farma (size as required), lv farma (size as required), grinder cutter wheel 4, lt bushing box
Tender For supply of procurement of earthing material for the new dvor and dme project at chennai airport : -copper plate , copper strip , copper wire non stranded , copper rod , insulated copper wire , gi pipe with socket and reducer 2 inch to 1 inch , gi pipe with suitable gi base plate to mount 4 inch gi pipe , perforated gi earthing pipe , pvc pipe , heavy duty pvc pipe plastic corrugated hose , salt , charcoal , raceway with l and t junction , perforated cable tray with l and t junction , extension board , self supporting heavy duty folding aluminium ladder , 3 core electrical cable , hose pipe , electrical top , frangible frp fibre reinforced plastic poles
Tender For supply of various types of electrical items : : -copper earthing plate 450mm x 450mm x 3 mm , copper nut and bolt m8 x50 mm , copper strip 25 mm x 3 mm , salt , charcoal