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| 1 | Supply, lay, install,test and commissiong of Aerial bunched Cables earthed, Aluminium, Armoured of following configuration at all as specified and directed: a) Voltage : 33 KV b) Size : 3 Core ( Individual Single ) 240 Sq.mm c) Bare Messenger : Aluminium conductor with 150 Sq.mmd) ISI Specification : The phase conductor shall be insulated with XLPE(Sioplas) compound aluminiumas per IS-14225-1995 e) Acessories for holding Cable : Tension Clamp, dead end clamps, Pig tail hooks, anchoring and suspension brackets, end caps , anchor clamp, suspension clamp , Junction box ,inline connector, service clamp , insulation piercing connectors, for taps from bare line etc (f) ABC cable ENDjointing 240 sqmmX3 core 33 kvcertain places fixingg) Material of Insulation : High density Polyehylene confirming to IS 6474-1971 h) Colour of Insuation : Blue i) Derating factor : 0.83-1.0Make : KEI/Polycab/ Gloster/Univeral / Grandley/Finolex. |
| 2 | Supply, lay, install, test and commissiong of Aerial bunched Cables earthed, Aluminium, Armoured of following configuration at all as specified and directed : a) Voltage : 11 KV b) Size : 3 Core ( Individual Single ) 120 Sq.mm c) Bare Messenger : Aluminium conductor with 70 Sq.mmd) ISI Specification : The phase conductor shall be insulated with XLPE(Sioplas) compound aluminiumas per IS-14225-1995 e) Acessories for holding Cable : Tension Clamp , dead end clamps, Pig tail hooks, anchoring and suspension brackets, end caps , Junction boxes,anchor clamp, suspension clamp , inline connector, service clamp , insulation piercing connectors, for taps from bare line etc(f) ABC cable ENDjointing 120 sqmmX3 core 11 kvcertain placesfixing g) Material of Insulation : High density Polyehylene confirming to IS 6474-1971h) Colour of Insuation : Blue i) Derating factor : 0.83-1.0Make : KEI/Polycab/ Gloster/Univeral / Grandley/Finolex. |
| 3 | Supply, installation & commissioning of 33 KV indoor type Non-Extensible floor mounted Gas insulated switch gear with internal copper busbars consisting of with 2 Nos motorised vacuum circuit breaker with additional 1 Nos.fixed type side entry air insulated cable module with VPIS . All live parts busbars VCBs connections. -ON/OFF offload switch earth switch of feeder should be enclosed in one tank sealed for life robotically welded non magnetic and nonferrite grade stainless steel tank Garde 304 of minimum 2mm thick having IP67 degree of protection filled with SF-6 gas as insulation with leakage rate less than 0.1% per yeartested as per IEC 62271-200. The unit shall have front cable entry for ease of installation and shall have sitereplaceable bushings for ease of troubleshooting during breakerdown. The Gas insulated switchgear should be complete with all accessories such as Terminal kits suitable for 1Cx300sqmm cable. VPIS, cable supports, all front cable terminations, mechanical indications for VCB, OFF load switch & Earth switch, Manometer as per with IEC standards 62271-1,100,200.Altitude of installation up to 1000m as per IEC60120. Cable termination kit must be screen seperable touchproof type. The unit shall include the following with all necessary standard fitting required at site. License partner/Authorized . Make- ABB, SIEMENS, SCHNEDER INFRA |
| 4 | Srl item No 3 Contd …VACUM CIRCUIT BREAKER FEEDER - 630A VCB module for making & breaking of fault current alongwith earth switch of full making capacity - 01 Nos. Motor operated modular 630A Vaccum circuit breaker having spring stored mechanism. ON- OFF load switch and earthing switch downstream vacuum circuit breaker.Manometer per tank per feeder.\"Live Cable\" LED indicators through capacitor voltage Dividers mounted on the busings.Short time breaking current - 25 KA 3secMaking capacity - 62.5KAVCB must confirm operating sequence 0-0.3sec-CO-3Min-CO and 10000 mechanical operation.Power frequency withstand voltage - 70KV & impuise withstand voltage - 170KVMinimum operating gas pressure - 1.2Bar abs.Front cover mechanism - IP2X and VPIS to be given.Green(ON)/Red(OFF) push buttons to operate VCB. Indication Lamp for ON, OFF, TCS, TRIP, SPRINGCHARGE etc.Auxiliary powered numerical protection relay havingtransformer differential protection, Over current, earth fault, over voltage & undervoltage.Suitable Ammeter with ASS and Multifunction meter. |
| 5 | Srl item No 3 Contd …6/8 window Annunciator with Hooter scheme.RMU Gas tank and cable chamber should be tested for an internal arc fault of 25kv for 1 sec with AFLR classificationResin cast ring core CT on cables 150-1-1A,Class 0.5 & 5P10, 2.5VA - 03 NosMechanical ON/OFF/EARTH/spring charge indicationCable boxes should be arc proof interlocked with respected earthing switches. RMU, VCB, Vaccum interrupter, Realy must be of same make. One bus connected equipment/metering cubical consisting of following3 Nos. Single Phase PTs 33 kv/v3/110/V3,CI-0.5&3p,50va Space Heater with thermostat Suitable Anaiog voltmeter with VSS110 V DC supply & 230V AC supply shall be extended at site by client. |
| 6 | Supply, installation, testing & commissioning of 11 KV, 63A, 25KA for 1 sec 11 KV indoor type ring main unit floor mounted with internal copper busbar consisting of 02 nos fixed type motor operated VCB module as incomer, 5 nos fixed type Motor operated VCB module a Outgoings with metering module of the bus ( 2 incoming, 5 outgoing 1 bus metering). SF-6 insulated motorizes ,indoor, rightside extensivleRMU, type tested in line with leasted IEC stranded Theswitchgear and busbar shall all be contained in a stainless steel enclosure filled with SF-6 at 0.3 bar (300hPa) relative pressure. The RMU tank shall provide full insulation, making the switchgear incenitive to the environment withsafety valve, at the bottom of the metal enclosure, away from the operator. An operator situated in the front, lateral (A-FL 21 kA-1 sec, downwards exhaust, for tank as well as cable compartment) of the RMU switchboard type of extensibility must be provided and coupling busbar should not be exposed to air to aviod oxidation busbars. Extension of cubical should only require 450mm to handle and the gap between the coupled RMU must be within 10mm.Allopertations shall be from front of the RMU, including access to cable bushings.Cable bushing along the side are the rear of the RMU are not acceptable. All line parts busbar VCB connections of RMU should be enclosed inside Gastank & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank Grade 304 of minimum 25mm thick have IP67 degree of protection filled with SF-6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. |
| 7 | Srl item No 4 Contd …The tank shall be tested with internal arc of 21ka for 3sec with AFL classification. The unit shall have front cable entry of ease of installation and shall have site replaceablebushing for ease of troubleshooting during breakdown Vacuum interupter ;shall be of same make as that of RMU to ensure life cycle optimization. RMU should be complete with all accessories such as terminal kitssuitable for 1Cx300sqmm cable, VPIS, cable,supports all front cable terminations mechanical indications for VCB module ON/OFF/EARTH, Manometer for each tank as per with IEC standards 62271-1,100-200 AltiudeVACUM CIRCUIT BREAKER FEEDER-630A VCB module for making & breaking of fault current alongwith earth switch of full making capacity- .Motor operated 630A Vaccum circuit breaker having spring stored mechanism as per tested design.Three position disconnector/earthing switch downstream vaccum circuit-breaker. \"Live Cable\" LED indicators through capacitor Voltage Dividers mounted on the bushings.Short time breaking current - 21kA/1 Sec Making Capacity- 52.2 kA Power frequency withstand voltage - 28 kVImpulse withstand voltage - 75 kVp |
| 8 | Srl item No 4 Contd …Normal operating gas pressure - 1.3 Bar abs.Front cover mechanism - IP2X and cable covers - 3X and VPIS in each module.VCB operating sequence must be O-0.3S-CO-3 min- CO Green (ON)/Red(OFF) push buttons to operated VCB.30/C + 1E/F auxilary powered (110V DC) numerical protection relay with Low and High set for Over current and Earth Fault with Modbus Protocol over RS485 port. MFM to measure A, V, PF, KW, KVA, KVAR etc.Resin cast ring core CT on cables 400/1-1-1A, Class : 5P10, 1.0 & 5P10, 1.0 & 5P10, 2.5 VA - 03 Nos for incomingResin cast ring core CT on cables 100/1-1A, Class : 1.0 & 5P10, 2.5 VA - 03 Nos for outgoingON/OFF/ Earth/Spring charge indicationCable boxes should be interlocked with respective earthing switches.6 window aunnciator with hooter arrangement for each feeder.Electrical & Mechanical intelock between 2 Nos. INCOMERS so that at a time only one incomer shall be ON & Other one shall be OFF. |
| 9 | Supply & laying and testingfor XLPE insulated, screen PVC beddedgalvanized steel strip or wire armoured, electric power cable( heavy duty) with standed aluminium conductor , 33000 volts grade, of size 3 core 150 sqmm , laid in trenches/ducts/through pipe complete all as specified and directed. |
| 10 | Supply & fixfor XLPE insulated, armoured, aluminium conductor cable, 11000 volts grade, heavy duty, cross sectional area185 sqmm, 3 core, laid in trenches/ducts/through pipe complete all as specified and directed. |
| 11 | Cable jointing kit for 33 KV grade cable for out door termination heat shrinkable type joint complete with jointing material and acessories suitable for 3 core 240 sqmm to 300 sqmmXLPE armoured aluminium conductor cablecomplete, all as specified and directed. |
| 12 | Cable jointing kit for 11 KV grade cable for out door termination heat shrinkable type joint complete with jointing material and acessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185sq.mm, complete all as specified and directed. |
| 13 | Supply and fix Steel tubular poles swaged type complete with cast iron base plate , finial taper plug, bolts, nuts and screws as specified type 410-SP-55 (11 Mtr long). All poles shall be fixed in between existing poles. Make : Bansal / Jindal/ Electro steelNote : Necessary excavation, Foundation and PCC Coping required shall be measured and paid separately. |
| 14 | Supply and fix cross arms, bracings, supports, clamps and back plate fabricated from structural steel sections including nuts, bolts , washers, welding, bending cold or hot , drilling holes for bolts in any shape or size as indicated or directed and incxlusive of one primer coat, one under coat and one finishing coat of paint all as specified & directed. |
| 15 | Plain cement concrete 1:3:6 type C-2 (using 40mm graded stone aggregate)as in foundations filling and mass concrete complete, all as specified and directed. |
| 16 | Plain cement concrete 1:2:4 type B-1 using 20mm graded crushed stone aggregates as in coping, benching and similar work etc including necessary form work complete all as specified and as directed. |
| 17 | Excavating in trenches, not exc 1.5 m wide and not exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, and for laying of cable or pipes etc. not exc 10 sqm on plan and not exc 1.5 m in depth and getting out in any type of soil, complete all as specified and as directed. |
| 18 | Description all as per Srl item No. 13 here in before but depth exceeding 1.5m but not exceeding 3m complete all as specified & directed |
| 19 | Removing excavated material not exc. 50m and depositing where directed at a level not exc. 1.5 m above the starting point, complete all as specified and as directed. |
| 20 | Providing earthing with GI earth plate electrode 600 X 600 X 6mm buried directly in ground (earth pit not less than 2.25m deep below ground level ) with top edge of the earth plate not less than 1.5m below ground level connected to GI strip 32 x 6mm thick for earthing lead fixed by means of nuts, bolt, washers etc. connected to earth test point complete all as specified in electrical plate NO 3 of SSR, including necessary excavation and earth work in any strata of soil, comman salt, charcoal dust, 40 mm dia light grade GI pipe for protection to earth lead, GI water pipe20mm dia with funnel & wire mesh, PCC pit with CI cover and frame etc all as specified and directed.Note:- All the joints shall be made with welding to get proper conductivity. |
| 21 | Providing earthing with GI earth plate electrode 600 X 600 X 6mm buried directly in ground (earth pit not less than 2.25M deep below ground level ) with top edge of the earth plate not less than 1.5M below ground level connected to GI strip 25 x 4 mm thick for earthing lead fixed by means of nuts,bolt,washers etc connected to earth test point complete all as specified in electrical plate NO 3 of SSR1996 part 1 ,including necessary excavation and earth work in any strata of soil,comman salt, charcoal dust, 40 mm dia light grade GI pipe for protection to earth lead, GI water pipe20mm dia with funnel &wire mesh , PCC pit with CI cover and frame etc all as specified and directed. Note:- All the joints shall be made with welding to get proper conductivity. |
| 22 | Taking out unserviceable PCC Poles any type and size all as directed. |
| 23 | Taking out unserviceable Cross arms any type and size all as directed. |
| 24 | Taking out unserviceable ACSR conductorHT and LTany type and size all as directed. |
