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

    ₹ 54,30,500
  • Document Cost

    ₹ 17,700
  • Tender Fee

    ₹ 1,180

Summary

Construction Of Bus Reactor Bay

Description

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BOQ Items

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DO_NOT_SHOW

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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

1

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Local and remote OTI complete with sensing device and contacts

1

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Pressure release device

1

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Buchholz relay complete with assembly

2

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Magnetic oil level gauge

1

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Set of Valves (Complete set for one reactor)

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Breather assembly

2

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Circuit Breaker

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420 kV, 2000 Amp., 50 kA rupturing capacity circuit Breaker without closing resistor suitable for single and three phase rapid auto reclosing complete with mounting structures, foundation bolts and nuts and first filling of SF6 gas plus 20% spare gas including accessories and auxiliaries.

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Microprocessor based point of wave controller for above item

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Terminal Connectors for above item

6

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Mandatory Spares for 420 kV circuit breaker

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(i) One pole of circuit breaker with grading capacitor complete with pole column and interrupter with M.B. but without support structure and operating mechanism.

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(ii) Rubber gaskets, ‘O’ rings and seals

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(iii) Fixed contacts

5

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(iv) Moving contacts

5

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(v) Terminal pads and connectors

3

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(vi) Molecular filter

2

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(vii) Density / pressure monitoring systems (if applicable)

2

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(viii) Relays, power contactors, switch fuse units, limit switches, push buttons, timers and MCB etc.

1

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(ix) Closing assembly valve

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(x) Trip assembly valve

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(xi) Pressure switches

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(xii) Pressure gauge and coupling

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(xiii) Auxiliary switch assembly

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(xiv) Operation counter

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(xv) Closing Coils

2

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(xvi) Tripping coils

5

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(xvii) Support insulator complete for one pole of breaker

1

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Surge Arresters

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Single pole voltage -coordinated, outdoor station class heavy duty current limiting type 390 kV lightning arresters suitable for connection between phase and ground on 3 phase 420 kV neutral grounded system complete with insulating base, surge counter and current meter, accessories.

3

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Terminal Connectors for above item

3

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Current Transformer (LIVE TANK TYPE ONLY)

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2000-1000-500/1-1-1-1-1 Amp. 420 kV single phase multi core current transformers (Live Tank Type only) with rupturing capacity of 50KA with 120% extended current rating.

6

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Terminal Connectors for above item

12

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Spare of 420kV Current Transformer

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(i) Complete CT(Live Tank Type only)

1

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(ii) Terminal Connector for above item

2

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Isolator

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420 kV 2000 Amp. triple pole, gang operated Horizontal Double break type, motor operated, outdoor, Isolator metallic fitted with single earth blade complete with accessories.

2

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Terminal Connectors for above item

12

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Post insulators for above item

18

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Spares for 420 kV Isolators

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i) One complete pole with support insulator and motor operating mechanism excluding structure

1

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ii) Copper contact fingers for male and female contacts.

1

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iii) Open / close contractor assembly, timers, key interlock push button switch

1

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iv) Limit switch and auxiliary switch

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v) Motor housing bearing assembly

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vi) Terminal pads and connectors

2

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vii) Motor with gear assembly and bevel gear assembly

1

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viii) Corona shield rings

1

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ix) Hinge pins

1

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x) Bearings

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xi) Current carrying assembly

1

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xii) Interlocking coil

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C&R Pannel & SAS System

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Relay Panel for 420 KV Bus Reactor

1

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Control Panel for 420 KV Bus Reactor

1

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400 KV Busbar Protection Relay Panel

1

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400 KV Busbar Protection Control Panel

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Upgrade of substation Automation system M/S ABB make at existing 400 KV GSS (Software & Hardware)

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Necessary peripherial units, hardware, software, wiring for adding new 1 No 400 kV bay (as per scope of specifications) in existing 400 kV bus bar protection scheme M/S GE Make (Refer clause no. 7.4.4 of volume II, part-3,Section -I of the specification.

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Supply. erection, testing & commissioning of Ethernet Switch, OFC, BCU, IEDs etc. to complete the scope specification of integrating of. 400 kV feeder bays with the existing Make supplied SAS system.

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Necessary software and hardware alongwith laptop to up / down load the data / from the relays from / to the laptop. The supply of laptop is covered under this scope.

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HARDWARES AND MECHANICAL/ELECTRICAL AUXILIARIES

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400 kV Single Suspension string insulator assembly with 25 Nos. anti fog type disc insulators with all hardware accessories including corona ring with dropper / through type clamp set for Twin / quadruple Moose ACSR with 450 mm sub-conductor spacing.

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i) Quad / Twin Moose through type

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ii) Quad / Twin Moose Dropper type

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400 kV Bus Post Insulator stacks with corona ring other than those not included with individual equipment.

1

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400 kV Corona bellow / sphere for 4” IPS Al. tube

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a) 400 kV clamps and connectors other than those not included with individual equipment.

1

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b) All type clamp and connectors for earthwire and GS flat

1

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400 kV Spacers(All types)

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i) Flexible type

1

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

1

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40 mm dia MS Rod

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

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40 mm dia 3000 mm long GS pipe electrodes with test links and treated earth pits with C.I .cover hinged at C.I. frame alongwith 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 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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4” IPS (EH) Al. Tube (OD. 114.2 mm, Thickness-8.51 mm)

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Welding sleeves for 4” IPS Al. tube

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Earthwire tension clamps with D. Shackle assembly and earth bond

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Lugs to suit 10.98 mm GS Earthwire

1

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Bay Marshalling KIOSK

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200Way (Stud Tyoe Connectors)

1

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Junction boxes

1

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Cables (FRLS)

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(a)1.1 KV grade PVC insulated armoured control cables – Cu

1

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(b) 1.1 kV grade XLPE / PVC insulated armoured Al. conductor power cable

1

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Straight through joints for 1.1 kV XLPE / PVC power cables as required

1

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

1

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

1

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

1

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Hume pipes for road crossing (NP-4 class). (Sizes shall be recommended by the bidder)

1

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Pressure die cast AL (LM6) Nylon 6 made trefoil clamp for recommended cables

1

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MS Angle Flat and ISMC channel (All size)

1

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ACSR Moose Conductor

1

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7/3.15 mm GS Earth wire

1

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Disc Insulators 120 KN

1

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FIRE FIGHTING SYSTEM ( AS PER TECHNICAL SPECIFICATION)

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Emulsifyre System for sunt reactors By extending existing system through MS pipe and providing various sizes of GI pipes and fittings(25,50,75.100,150,200,250 mm.dia.) set for Deluge Valve, Stop Valves, Emulisyfire Projectors & decetors , D.A. Switches required power & control cables , alarm motor and gong for Emulsyfire protection etc. as per technical specification

1

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FIRE DETECTION AND ALARM SYSTEM FOR AC KIOSK By providing addressable Photo Electronic light scattered smoke detectors with / without duct caging, addressable ionization chamber smoke detectors, FRLS control cables etc. as per technical specification

1

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HAND APPLIANCES Carbon di-oxide type portable fire extinguisher of 4.5Kg capacity complete with fill

1

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HYDRANT SYSTEM Extension of existing hydrant system upto Shunt reactor, 400 kV Kiosk Building including Hose pipe of suitable length and fitted with accessories like branch pipes, Nozzles etc. kept in Hose boxes. as per technical specification

1

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SPARES FOR MULSIFYRE / HYDRANT SYSTEM

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Nozzles

1

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Quartzoil Detectors

1

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Lighting System in Switchyard for subject bay

1

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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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Structure for 400 kV CT

6

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Pipe Type STRUCTURE

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Structure for 400 kV LA

3

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Structure for 400 KV Three Phase Double Break Isolator with Single Earth

2

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Structure for BPI (Low Level-8m)

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Structure of 120 KV LA for Shunt reactor

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FOTE TERMINAL EQUIPMENTS

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Fully wired cabinet with base 19” equipment rack (incl. front cover, cable tray, common cards) with fan unit and control, synchronization, Alarm, dual Power supply input cables

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Central Processing Card – CPU

2

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Power supply unit – 48 VDC 85 W

2

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OLTE – 4 Port STM-1 (155 Mbps Card) along with SFPs

1

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Optical Amplifier / Booster equipment (comprising of wave length translator, Wavelength Converter, Booster Amplifier; 21 dBm, Pre Amplifier and Raman Amplifier + Software) for main as well as protected parts

2

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OFC Patch Cords (Set of 48 nos.)

1

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8 Port 2w/4w E&M interface Card

1

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4 port Data Interface Card (Programmable)

2

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4 Port Data interface Card (Programmable) for remote end (to be located at nearest SLDC / Sub-LDC)

2

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Ethernet over SDH transport card (with four 10/100 base, one 100Base – FX and one 1000 Base-LX/SX front interfaces)

1

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4 command integrated Tele-protection Card

4

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Line Differential Relay Interface Card (4 ports)

1

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Engineering Order Wire Phone

1

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Craft Terminal (LAPTOP PC) with element manager software

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Any Other item required for successful completion of work

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