Lightning Arrestor Repair Tenders

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State Government

CTN :40071789

19 May, 2025 NA

Birbhum - West Bengal

Tender For providing and installation of electrical accessories and allieds works at shaspur pwss, block-rampurhat-ii under bolpur mechanical division - supply, delivery at site and storage of wall mounted made of sheet steel fabricated 2 mm for load bearing & 1.6mm for non load bearing, indoor type, dust & vermin proof, lp-54 degree of protection, powder coated painted with rubber gaskets cover, front lockable hinged door with all switchgear and other items duly wired up and tested as per specification: incomer: (a) 100 amps, tpn mccb with adjustable ol, 36 ka, e/f, auto phase corrector & necessary accessories with suitable spd (i.e., ammeter, voltmeter, cts & switches), outgoing:- (b) 7.5 hp to 12.5 hp, tp star-delta starter with other accessories - 1 nos., (suitable size capacitor bank to improve pf from o.85 to 0.98) (c) yard lighting feeder with necessary accessories & time switch(digital) - 1 no. (d) 3phase actuator valve starter with other accessories -1 nos., (e) 2 hp ,3 ph,415v,clorinator feeder with necessary accessories & level controller-1 no., (f) 32a mccb fdr for iep/misc purpose-1no., (g) 32a mccb for in house light-1no.,(e) plc feeder with necessary accessories-1no.( all spare & components as per vendor list of phed), supply and delivery at site of 15 kva, 3phase, oil cooled type servo motor operated copper wound line voltage corrector conforming to is-9815 (pt.-1)- 1994 suitable for un-balanced input voltage with following specification including first filling oil as per is-335 where applicable.a) input voltage:- 3 phase, main supply may or may not be balanced with respect to phase to phase- 200v-500v phase to neutral-115v-290v.b) output voltage:-3 phase balanced output voltage. phase to phase- 400vor 415v 1%, phase to neutral- 230v-240v 1% (provision should be made to adjust the variation of output voltage per phase by a variable pot oil within 5% of output).c) line regulation:- out put voltage should remain well with 1% of set voltage (from minimum to maximum i.e. either 400v. or 415v. supply variation).d) load regulation : output voltage should remain neutral well within 1% of set voltage be ( from no load to full load ) i.e. either 400v. or 415v.e) correction speed:- better than 35 volt / second.f) efficiency:- better than 95% on full load.g) cut off limit (minimum &maximum ) by limit switch with audio & visual.h) metering indication:- by selector switch provision should be made available to measure input mains supply and output voltage other stabilizer for load current measurement an ammeter with selector switch should be available.i) lamp indication :- for input & output should be provided. ( 3 lamps per side ).j) mcb protection: for input side.k) load protection : hrc fuse on each output phase should be availablel) output over shoot:- beyond 210v to . 255v /phase in case of manual mode & voltage protection :auto mode operation.m) visual indication for under voltage & over voltage of output.n) manual mode:- up & down correction with o / p voltage over shoot protection. beyond 210 v-255 v. per phase.o) nature of cooling:- oil cooled system.p) electric current over load protection .q) circuit for delay output .r) input high voltage cut-off above 500 v.s) mode of operation:- auto/manual with a provision to restore the normal working of the unit standby operation should be available in case of any electronic failure in auto mode., installation of mcc panel along with main switch, changeover, busbar chamber, cut out etc. all electrical equipment within the pump house, drawing of cable properly on suitable size gi cable tray on wall / as per direction of eic as per layout & ie rules and all connection with supply necessary materials, cable etc to complete the work, making arrangement with supply & fixing of materials for taking power within the pump house from wbsedcl end as per direction of eic. [for ph no - i, ii & iii], installation of above supplied stab

CTN :39999912

21 Apr, 2025 NA

Ramgarh - Jharkhand

Tender For arrangement of lighting arrester, new earth pits construction and connection by cu wire etc.for protection of electrical equipment for karma project.

CTN :39964670

30 Apr, 2025 NA

Jabalpur - Madhya Pradesh

Tender For supply of m2 5970-002187 insulator disc bakelite 46.5mm o a dia 0.5 mm thik with 3 holes , m2 5935-004522 connector free electrical metal clad male contacts 2pole 88mm o a lg 31 mm o a dia , m2 5945- 001642 coil solenoid 30 ohms 1500 turns epoxy plastic moulded 39.5mm o a dia 24 mm lg. , m2 5950- 006312 transformer power step down 220 volts 50 hz input with multiple output encapsulated in epoxy resin , m2 5975-001419 conduit assy metal rigid steel seamless tube 10mm i d 12mm old bofors- 4023989 complete with end fittings. , m2 6625-003407 mount indicator tail 40mm aa l 70 gun , m2 5930- 003688 switch box battery mains eeum , m2 5930- 004253 switch box micro switch- assemble lh for 40 mm aa l 70 gun , m2 5975-001403 conduit assy metal rigid steel seamless tube 10mm i d 12mm o d bofors- 4025394 complete with end fittings. , m2 5975-001413 conduit assy metal rigid steel seamless tube 10mm i d 12 mm o d boforse-6128613 complete with end fittings. , m2 5975-001415 conduit assy metal rigid steel seamless tube 10mm i d 12 mm old boforse- 6128615 complete with end fittings. , m2 5975-001420 conduit assy metal rigid steel seamless tube 10mm i d 12 mm old boforse-4023990 complete with end fittings. , m2 1010-002683 panel light rear assembly 40mm aa l 70 gun , m2 4540-000088 heater immersion electric with thermo state control 40 mm aa l 70 gun assembly 220v 50 hz 500w , m2 5307-003475 stud plain steel 28 mm long threded m5 for 12mm and 10 mm at ends , m2 5330-012583 reing sealing torroidal synthetic rubber 43 mm i d 1.6 mm thick , m2 6350- 000102 horn electrical 220v ac 50hz 40mm aa l 70 gun eeum , m2 bof-6118806 pin , m2 bof-6149190-2 plunger , m2 bof-6149190-3 plunger , m2 bof-6181510 sign for box distribution gun , m2 5940-002185 turminal box 40mm aa l 70 gun electrical equipment upper mounting , m2 5325-000789 strapping steel mild steel annealed zinc coated 5mm wide 05.5mm thik , m2 5365-006414 spacer plate steel 90x41x12mm o a size with two fixing holes , m2 5935-004519 plug and socket assembly electrical special purpose coil light assembly , m2 5975-001383 cable gland assy brass threaded m18x1.5 cable in-let hole dia 10.5 mm , m2 5975-001391 cable gland assy brass threaded m18x1.5 cable in-let hole dia 12 mm , m2 5340-009157 strap retaining steel 28 mm x 15mm o a dimention , m2 5355-001685 knob steel parkerised 5 mm shaft dia 43 x21x12 mm o a size , m2 5930-003690 switch sub assembly , m2 5930-004252 switch box micro switch assembly rh for 40 mm aa l 70 gun , m2 5935-004520 connector fixed electrical assembly 4 male contacts c w protection cover chain , m2 5950-006314 inductor audio frequency 1.1 h at 1kc s 1 volt working voltage 220 volts ac 50 hz , m2 5999-004727 armature relay arm breker gun electro magnet assembly , m2 6130-000398 power supply box control local power for 40 mm aa l 70 gun , m2 6150-000380 battery box with on off switch assembly 40 mm aa l 70 gun electrical equipt. upper mounting , m2 5930-003687 switch box lighting -on off eeum bid details/ 2 / 34

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