Rajasthan Rajya Vidyut Prasaran Nigam Limited Tender

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Rajasthan Rajya Vidyut Prasaran Nigam Limited - RVPN Tender

Works
Civil Works Others
Eprocure
Opening Date11 Aug 2021
Closing Date21 Oct 2021
Tender AmountRefer Documents 
Notes
Download

Costs

  • EMD

    ₹ 47,55,900
  • Document Cost

    ₹ 17,700
  • Tender Fee

    ₹ 1,180

Summary

Construction Of 220 Kv 25 Mvar Bus Reactor Bay Work

Description

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Documents
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BOQ Items

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DO_NOT_SHOW

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Nitrogen injection fire prevention and extinguishing system for 25 MVAr Bus Reactor as per technical specification with Mild steel oil tank (5mm thick sheet) of suitable capacity (at least 10% of total oil quantity) with moisture/corrosion/rust proof coating (5mm thick sheet) on external and internal surface with internal paint which is corrosion / rust/ chemical resistive preferably in white colour or in lighter shades of yellow and grey, with water tight cover, to be placed in the oil pit as per specification

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Mandatory Spare Parts as per Schedule-A

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Local and remote WTI complete with sensing device and contacts

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Local and remote OTI complete with sensing device and contacts

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Pressure release device

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Buchholz relay complete with assembly

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Magnetic oil level gauge

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Set of Valves (Complete set for one reactor)

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Breather assembly

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Circuit Breaker

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245 kV, 2000 Amp. 40 kA rupturing capacity circuit breaker suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts, nuts and first filling of SF-6 gas plus 20% spare gas including accessories and auxiliaries

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Terminal Connectors for above item

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Current Transformer (LIVE TANK TYPE ONLY)

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1000/1-1-1-1-1 Amp. 245 kV single phase multi core current transformers

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Terminal Connectors for above item

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Isolator

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245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic without Earth Blade complete with all accessories.

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Terminal Connectors for above item

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Post insulators for above item

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245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor Isolator metallic fitted with Single Earth Blade complete with all accessories.

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Terminal Connectors for above item

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Post insulators for above item

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245 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic for Tandem operation complete with all accessories.

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Terminal Connectors for above item

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Post insulators for above item

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Surge Arresters

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Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 198 kV lightning arresters suitable for connection between phase and ground on 3 phase 245 kV neutral grounded system complete with insulating base, surge counter and current meter, and all accessories as per specification.

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Terminal Connectors for above item

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CONTROL, RELAY & PROTECTION PANELS

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220 kV Control & Relay Panel for Bus Reactor

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Necessary peripherial units, hardware, software, wiring for adding new 1 No 220 kV bay (as per scope of specifications) in existing 220 kV bus bar protection scheme [Refer Clause No.7.4.4 of Volume II, Part-3, Section-I of the specification]

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HARDWARE AND MECHANICAL/ELECTRICAL AUXILIARIES

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245 kV Bus Post Insulators other than those not included with individual equipment.

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Clamps and Connectors i.e. PG Clamps, T-Clamps, PI Clamps, Bus Bar Spacers etc. and terminal connectors for equipments for ACSR Zebra conductor

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Grounding Conductor (GS & MS flats of all sizes and Cu/Al Flexible braids)

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40/28 mm dia MS Rod

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40/28 mm dia 3000 mm long MS rod (earth electrodes) with/without test links, RCC pits, C.I .cover hinged at C.I. frame along with all associated civil works

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Note:- i) The GS/MS flats to be used for earthing of the equipment shall be required to be drilled/welded at site as per the needs and approved drawing and M.S. Flats shall be properly painted as per the stipulations. Supply of necessary bolts, nuts & washers shall also be in the scope of the contractor. ii) All the dropped jumpers shall be of Y-type

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Bay Marshalling kiosks for 220 KV bay

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Cables (FRLS)

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1.1 KV grade PVC insulated armoured control cables – Cu

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Double compression type cable gland for 1.1 kV grade insulated cables & its termination as per cable sizes.

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Crimping type cable lugs (Tinned copper) of size of cable as required.

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PVC Pipes for Laying cables as per IS 4985 (the sizes shall be recommended by the bidder)

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MS angle flat & ISMC channel (All sizes)

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ACSR Zebra Conductor

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FIRE FIGHTING SYSTEM (AS PER TECHNICAL SPECIFICATION)

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LED based Lighting System in Switchyard for subject bay

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STRUCTURES: Design, engineering, procurement of materials, fabrication galvaising, proto-assembly, FOR destination delivery & erection including nuts, bolts, gusset plates, base plates, foundation bolts, fixing arrangement for control cabinets/MB of equipments and other accessories for lattice steel structure. Conforming to IS:2062 and GI pipe conforming to grade YST 22 or higher grade as per IS:806.

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LATTICE STRUCTURE

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220 kV PI Structure

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220 kV LA support structure (AO5)

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220 kV CT support structure (AO3)

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220 kV Isolator (AO1)

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220 kV Isolator (AO1-T)

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Any Other item required for successful completion of work

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