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| 1 | Taking Down Old unsv 11 KV grade HT cable of any make any size and from any depth from trenches/ poles etc complete all as specifiedand as directed by Engr-in-Charge.. |
| 2 | Dismantling of ACSR or AAC conductors |
| 3 | Dismantling concrete poles/ struts, any size |
| 4 | Dismentaling of MS channels cross arm angle channels and different accessories from 2/4 pole structure complete all as specified and as directed. |
| 5 | Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation of poles, laying cables, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in hard / dense soil all as specified and directed . |
| 6 | All as per item No. 5above but of depth above 1.5 m and upto 3.0 m in hard dense soil complete all as specified and directed. |
| 7 | Returning filling in including spreading levelling, watering and well ramming in layer each not exc. 25 cm thick in a hard/ dense soil complete all as specified and directed by Enginer-in-Charge. |
| 8 | Removing surplus soil to a distance not exc. 50 mtr and depositing where directed at a level n.exc. 1.5 mtr above the starting point complete all as specified and directed by Engr-in-Charge. |
| 9 | Sand cushioning to protection of underground cables, laid 8 Cm before laying and 15 Cm after laying of cable, and punned to form an overall layer of 18 Cm thick, complete all as specified and directed by Engineer-In-Charge.Note: Punned thickness shall be measured. |
| 10 | Supply and lay unreinforced precast concrete cable cover class HV, Type 1, flat os size 300mm x180 mm x 40mm with ISI mark, factory made laid in trenches for cable protection complete all as specified and as directed. |
| 11 | M&L Cableguard DWC HDPE Cable Duct Pipes of size 125 mm dia with IS NO:16205(part24) complete all as specified and directed.Make prince,supreme,reliance. |
| 12 | Supply laying & testing HT cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables heavy duty with stranded aluminium conductor11000 volts grade, of size 3 core 95 Sqmm all as specified and directed. Make : HAVELLS / KEI / CCI |
| 13 | Supply and fix cable jointing kit for 11 KV Earthed grade HT Cable for outdoor termination heat shrinkable type with all necessary jointing material and accessories suitable for 3 core 95 sqmm armoured aluminium conductor XLPE cable complete all as specified and as directed. |
| 14 | M&L Anti climbing devices; comprising 2.24mm dia galvanised steel 2-strand barbed wire with 2.00mm dia barbs wrapped spirally round poles, to a length of 0.5 to 1.0 metre clamped and properly secured all as directed. |
| 15 | Material and Labour for Lightning arresters expulsion type, non liner resistor type horn gap and chocking coil with all fittings (Set of Three) for outdoor use, transmission class, discharge capacity 65 kilo amp suitable for 11000 Volts grade fixed all as specified and as directed. |
| 16 | Supply and Fix insulators pin type epoxy, vitreous white or brown or green of size 150 mm height, 150 mm dia suitable for working pressure 11000 volts grade including one galvanised mild steel spindle, two GI washers and one GI nut etc., complete all as specified and as directed. |
| 17 | Supply and Fix Disc type insulator, epoxy, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green with tension clamps for conductors, working pressure 11 KV for single disc assembly etc., complete all as specified and as directed. |
| 18 | Supply, install, testing and commissioning of Air break switch,rocking titlting type, triple pole, mechanically operated, vertical mounting, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps suitable for HT, 11000 volts complete with fuse mounts, fuse carriers, fuse elements (set of Three) of required capacity and one pad lock 65mm (Godrej/Novtal) with two keys etc., complete all as specified and as directed. |
| 19 | Supply and Fix Cross arms, bracings, supports, clamps and back plates 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 inclusive of one primer coat, one under coat and one finishing coat of approved paint etc., complete all as specified and as directed. |
| 20 | Supply and erect Steel tubular swaged poles, type 410 SP-55, 11.0 metres long complete with cast iron base plate of size 300mm x 300mm x 6mm, finial taper plug, bolts, nuts and screws including painting with two coats of black bituminous paint through out internally and externally to embedded portion in PCC and the remaining portion of exterior shall be painted with two coats of corrosion resistant aluminium paint over a coat of red oxide primer and providing 3 Nos of 30cm wide circular bands with black & yellow paint starting from plinth level at a gap of 30 cm in between 2 bands and numbering ofpoles, in yellow paint over black painted back ground at a height of 2m from bottom of pole with 5 cm large bold letters 2\" (inch) wide complete all as specified and as directed.(Note: Earth work, excavation, PCC in foundation and coping will be measured and paid separately under relevant items.) |
| 21 | M&L for cement concrete in foundations filling and mass concrete Type C2 1:3:6 (40mm graded aggregate) for pole foundation all as directed. |
| 22 | M&L for cement concrete Type B1 1:2:4 (20mm graded aggregate for coping of pole including form work slightly rounded or chamfered angles as directed all as directed. |
| 23 | Material and Labour for earthing complete with Copper earth plate electrode 60×60cm × 3.15mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to copper strip of 20x3 mm as earthing electrode by means of nuts, bolts, check nuts and washer etc of copper and earth lead protected by provision of GI pipe light grade 40mm bore from earth electrode to test pointincluding provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed. Note :- The cost of 7.5m long copper earth strip of 20 x 3 mm size and protection pipe of 40mm bore GI light grade is deemed to be included in quoted unit rate. |
| 24 | Material and Labour for earthing complete with Galvanized steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5m below ground level, connecting to the Galvanized earth strip 4 mm dia, by means of nuts, bolts, check nuts and washer etc of Galvanized earthand earth lead protected by provision of GI pipe light grade 20mm bore from earth elelctrode to test point including provn of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone agagregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM sheet (weight not less than 4Kg/Sqm) and frame of angle iron 25 x 25 x 6mm with lugs 2 Nos and with 8mm dia MS bar handle made to shape, GI pipe medium grade 20mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling test point with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning in and removal of surplus soil to a distance not exceeding 50mtr, complete all as specified in electrical plate No 3 of SSR Part I and connection to earth test point including testing on completion all as directed.Note :- The cost of 7.5m long galvanised iron earth lead 4 mm dia and protection pipe of 20mm bore GI light grade is deemed to be included in quoted unit rate. |
| 25 | Supply and fix Automatic demand manager 11 KV HT 3Ø3W Meter with control & alarm and Ethernet module Measurement voltage range 57.7 V(100V) - 240 V (415 V) AC 3 phase 3 wire Tolerance -30% to +20% of Vn Aux power supply range 80 - 300 V AC/DC or 24 - 60 V DC (variant),Current range Available 1-2A and 5-10 A in single variant (field configurable) , Alarm activation time Active for 30 seconds or active for whole averaging period, Iingress protection IP 54 (front fascia); IP20 (at terminals), Modules Control & alarm 1 Alarm (230VAC/DC at 100mA) and 3 control output (2A at 230VAC, SPST NO type) Ethernet 10/100base-T for Modbus over TCP/IP communicationcomplete all as specified and as directed. Make : Secure , Schenider, Seimens, ABB . Note: Metal Enclouser or any canopy required is deemed to be included in quoted rate. size/Specification may change any make to make but root spec will not change as directed by GE. |
| 26 | Supply, Installation, testing & commissioning of Factory Made 11 kV, 630 Amps, 21kA for 3 Seconds,AFLR, SF6 Insulated, Motorised, Outdoor 4 Way RMU Consisting of 1 No. LBS as Incoming and 3 No. of VCB as Outgoing complete all specified and as directed and shall comprise of the following: Make: ABB / Schneider / SiemensThe make of Vacuum Interrupter & VCB of same make as the Ring Main unit.Important Note: The RMU should be manufactured, tested, dispatched from OEM factory in whose name type test reports shall be furnished. Panels manufactured by system integrators / franchise partners of OEM are not acceptable. |
| 27 | [A]RMU shall be 11 KV, 630 Amps, 21 kA for 3 Seconds, Internal Arc 21kA/1Sec, AFLR, SF6 Insulated, Motorized, Outdoor, 4 Way RMU, Left side Extensible, Right Side Metering Unit, SCADA compatable Overload and eart fault protection Relay (Ashidha / CSPDR) with Air Insulated Bus Connected Metering unit (Type +CVVV+M), Type tested in line with latest IEC Standards, suitable for operations at a height up to 1000 Meters above sea level and at 40ºC Ambient Temperature, Switchgear and Busbar shall all be contained in a SF6 Tank shall be sealed for life robotically welded non magnetic and non ferrite Stainless Steel Enclosure [2.5MM thickness SS304], nominal operating gas pressure 1.3 BAR @20 Deg C, RMU Tank shall provide Full Insulation and Switchgear shall be insensitive to the environment with Degree of Protection of IP67 filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. Painting thickness shall be atleast 60microns , Breaker shall be M2 Class- 10,000 operations at rated normal current and 10 operations at rated Short circuit breaking current. Manual welding or hermetic sealing of tank shall be not be accepted., The unit shall have front cable entry (Suitbale for termination of 1R x 3C x 95.120/150 Sqmm Cable )for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown. RMU shouldbe complete with all accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for VCB and Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. |
| 28 | Switchgear Operating Mechanism shall have an IP2X Protection and Cable Chamber shall have IP3X Protection, Outer Enclosure shall be IP 54 type tested, Painting (FRONT COVER RMU: RAL7035 & (FOR MIMIC RAL7043)) &ENCLOSURE: RAL7035 & (TOP COVER & BASE STAND IN RAL 7043)). The unit shall be internal arc proof 21kA for 1 se with AFLR clasification. tested and totally safe for human beings. The gas release & personnel safety from internal arc shall not depend on plinth design. The release of gas to be from the top of the unit, so that, even if the person is operating the unit, opening the cover, & there are personnels near the sides of the RMU/plinth, top release will ensure their safety. The hot gas release, in case of an internal arc, in no case should be from any side or bottom of the unit, as the same is unsafe for the operating personnel/pedestrian or general public. Bidder shall provide type test report to prove compliance to the Internal Arc fault IAC-AFLR as per IEC 62271-200. Internal arc testing shall be done with enclosure door in open condition, with switching devices in operation mode as per specified standard.The Vacuum Bottle shall be of same make as RMU Manufacturer .The unit shall include the following with all necessary standard fitting required at site. |
| 29 | [B]Vacuum Circuit Breaker [VCB] Each shall be comprising of the following: [i]11 KV, 630 Amps, 21 kA/ 3s, 3 Pole Manual/ Motorised VCB with 3 pole manual disconnector and 3 pole manual earth switch, manual/ motorized Spring Assisted Mechanism and Series Trip Coil – 1 No. [ii]Self Powered Relay with O/C, S/C, E/F Protection – 1 No[iii]CT Ratio 200-100/1A, Class - 1.0, 2.5VA for Metering and CT Ratio 200-100/1A, Class 5P10, 2.5 VA for Protection – 1 Set each[iv]Live Cable Indicator with indications at the Front and Three Inlets to check the Synchronization of Phases – 1 No[v]Cable Termination Bushing suitable for up to 1 Run, 3 Core, 185 Sq.mm, XLPE Cable – 1 Set[vi]Cable Termination Cover Boots [Push on type] – 1 Set[vii]Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No[viii] Emergency Trip Push Button - 01 No. |
| 30 | [C]Load Break Switch [LBS] Each shall be comprising of the following:[i]Motorised operated 630A Load Break switch withe a two-positioning Load Break puffer switch using SF-6 gas as an arc quenching medium and naturally interlocked Earthing Switch with making capacity.[ii] Cable Termination Cover Boots [Push on type] – 1 Set[iii] Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No [iv] Fault passage indication EF +SC - 1 no |
| 31 | [D] Air Insulated Bus Connected Metering Unit comprising the following: – 1 Set[i] Air Insulated Enclosure with necessary Bus Connection – 1 No[ii] PT 11KV / RT 3 / 110V / RT3, 25 VA, Class-1.0 – 1 Set[iii] Voltmeter with Selector Switch – 1 No[iv] R / Y / B Indicating Lamps – 1 Set[v] 11 KV / 230V AC, Class 1, 500VA Control Transformer – 1 No[vi] Battery and Battery Charger, 12 Ah, [I/P-230V AC, O/P - 24V DC] – 1 No |
| 32 | [E] Additional equipment deliverd separately or mounted seperately :(i)Operationg Handle for Manual Isolator/Disconnector/Earthing Operation-02 Nos(ii) Standard Manometer -01 No(iii) Operation and Maintenance Manual -01 No(iv) Installation & Commissioning Manual -01 No(v) Cable clamping provision (standard) -01No |
| 33 | Note:[a]An operator situated in front, lateral and rear [A-FLR 21 kA – 1 Sec, Downwards Exhaust, for Tank as well as Cable Compartment] of the RMU Switch board during an internal fault shall not be exposed to the effects of Arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 Sec for both Tank & Cable Box shall be for minimum as per OEM standards.[b]All operations shall of the RMU shall be as per OEM standards. [c] Copy of the Type Test reports as per latest IEC shall be submitted along with drawings for approvals. [d] Factory Inspection will be carried out before Dispatching the item by AGE E/M /GE or as detail by Accepting officer. Neccessary arrangment willdone by the contratcor for testing.[e] After Installation Testing and commisioning will carried out in Presence of SEI . [f] Neccessary Civil work for Installation of RMU installation deemed to be included in the quoted rate . |
| 34 | Supply, Installation, testing & commissioning of Factory Made 11 kV, 630 Amps, 21kA for 3 Seconds, AFLR, SF6 Insulated, Motorised, Outdoor 4 Way RMU Consisting of 2 No. LBS as Incoming and 2 No. of VCB as Outgoing complete all specified and as directed and shall comprise of the following: Make: ABB / Schneider / SiemensThe make of Vacuum Interrupter & VCB of same make as the Ring Main unit.Important Note: The RMU should be manufactured, tested, dispatched from OEM factory in whose name type test reports shall be furnished. Panels manufactured by system integrators / franchise partners of OEM are not acceptable. |
| 35 | [A]RMU shall be 11 KV, 630 Amps, 21 kA for 3 Seconds, Internal Arc 21kA/1Sec, AFLR, SF6 Insulated, Motorized, Outdoor, 4 Way RMU, Left side Extensible, Right Side Metering Unit, SCADA compatable Overload and eart fault protection Relay (Ashidha / CSPDR) with Air Insulated Bus Connected Metering unit (Type +CCVV+M), Type tested in line with latest IEC Standards, suitable for operations at a height up to 1000 Meters above sea level and at 40ºC Ambient Temperature, Switchgear and Busbar shall all be contained in a SF6 Tank shall be sealed for life robotically welded non magnetic and non ferrite Stainless Steel Enclosure [2.5MM thickness SS304], nominal operating gas pressure 1.3 BAR @20 Deg C, RMU Tank shall provide Full Insulation and Switchgear shall be insensitive to the environment with Degree of Protection of IP67 filled with SF6 gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. Painting thickness shall be atleast 60microns , Breaker shall be M2 Class- 10,000 operations at rated normal current and 10 operations at rated Short circuit breaking current. Manual welding or hermetic sealing of tank shall be not be accepted., The unit shall have front cable entry (Suitbale for termination of 1R x 3C x 95.120/150 Sqmm Cable )for ease of installation and shall have site replaceable bushings for ease of troubleshooting during breakdown. RMU shouldbe complete with all accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for VCB and Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. |
| 36 | Switchgear Operating Mechanism shall have an IP2X Protection and Cable Chamber shall have IP3X Protection, Outer Enclosure shall be IP 54 type tested, Painting (FRONT COVER RMU: RAL7035 & (FOR MIMIC RAL7043)) &ENCLOSURE: RAL7035 & (TOP COVER & BASE STAND IN RAL 7043)). The unit shall be internal arc proof 21kA for 1 se with AFLR clasification. tested and totally safe for human beings. The gas release & personnel safety from internal arc shall not depend on plinth design. The release of gas to be from the top of the unit, so that, even if the person is operating the unit, opening the cover, & there are personnels near the sides of the RMU/plinth, top release will ensure their safety. The hot gas release, in case of an internal arc, in no case should be from any side or bottom of the unit, as the same is unsafe for the operating personnel/pedestrian or general public. Bidder shall provide type test report to prove compliance to the Internal Arc fault IAC-AFLR as per IEC 62271-200. Internal arc testing shall be done with enclosure door in open condition, with switching devices in operation mode as per specified standard.The Vacuum Bottle shall be of same make as RMU Manufacturer .The unit shall include the following with all necessary standard fitting required at site. |
| 37 | [B]Vacuum Circuit Breaker [VCB] Each shall be comprising of the following: [i]11 KV, 630 Amps, 21 kA/ 3s, 3 Pole Manual/ Motorised VCB with 3 pole manual disconnector and 3 pole manual earth switch, manual/ motorized Spring Assisted Mechanism and Series Trip Coil – 1 No. [ii]Self Powered Relay with O/C, S/C, E/F Protection – 1 No[iii]CT Ratio 200-100/1A, Class - 1.0, 2.5VA for Metering and CT Ratio 200-100/1A, Class 5P10, 2.5 VA for Protection – 1 Set each[iv]Live Cable Indicator with indications at the Front and Three Inlets to check the Synchronization of Phases – 1 No[v]Cable Termination Bushing suitable for up to 1 Run, 3 Core, 185 Sq.mm, XLPE Cable – 1 Set[vi]Cable Termination Cover Boots [Push on type] – 1 Set[vii]Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No[viii] Emergency Trip Push Button - 01 No. |
| 38 | [C]Load Break Switch [LBS] Each shall be comprising of the following:[i]Motorised operated 630A Load Break switch withe a two-positioning Load Break puffer switch using SF-6 gas as an arc quenching medium and naturally interlocked Earthing Switch with making capacity.[ii] Cable Termination Cover Boots [Push on type] – 1 Set[iii] Capacitive voltage indication fixed type system as per IEC61243 with LED -01 No [iv] Fault passage indication EF +SC - 1 no |
| 39 | [D] Air Insulated Bus Connected Metering Unit comprising the following: – 1 Set[i] Air Insulated Enclosure with necessary Bus Connection – 1 No[ii] PT 11KV / RT 3 / 110V / RT3, 25 VA, Class-1.0 – 1 Set[iii] Voltmeter with Selector Switch – 1 No[iv] R / Y / B Indicating Lamps – 1 Set[v] 11 KV / 230V AC, Class 1, 500VA Control Transformer – 1 No[vi] Battery and Battery Charger, 12 Ah, [I/P-230V AC, O/P - 24V DC] – 1 No |
| 40 | [E] Additional equipment deliverd separately or mounted seperately :(i)Operationg Handle for Manual Isolator/Disconnector/Earthing Operation-02 Nos(ii) Standard Manometer -01 No(iii) Operation and Maintenance Manual -01 No(iv) Installation & Commissioning Manual -01 No(v) Cable clamping provision (standard) -01No |
| 41 | Note:[a]An operator situated in front, lateral and rear [A-FLR 21 kA – 1 Sec, Downwards Exhaust, for Tank as well as Cable Compartment] of the RMU Switch board during an internal fault shall not be exposed to the effects of Arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 Sec for both Tank & Cable Box shall be for minimum as per OEM standards.[b]All operations shall of the RMU shall be as per OEM standards. [c] Copy of the Type Test reports as per latest IEC shall be submitted along with drawings for approvals. [d] Factory Inspection will be carried out before Dispatching the item by AGE E/M /GE or as detail by Accepting officer. Neccessary arrangment willdone by the contratcor for testing.[e] After Installation Testing and commisioning will carried out in Presence of SEI . [f] Neccessary Civil work for Installation of RMU installation deemed to be included in the quoted rate . |
| 42 | M/L for LT cable route indicators Oval Shaped 200x150x6 mm cast Iron precast with engraving \"HT MES CABLE\" embedded with PCC in mix 1:3:6 type C1 incl necessary exc, returning filling & removal of soil complete as directed at site by Engr in Charge. |
| 43 | Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure. |
| 44 | M&L for cutting of existing bituminous/PCC road or flooring/plinth protection laying of GI pipe in intersection for passing of HTXLPE cable including excavation in any type of soil returning filling in and making good top 30 cm of the trench by providing PCC 1:2:4 typ-e B1 using 20mm graded stone aggregate to flush with existing road surface complete all as directed. |
| 45 | S&F,80mm dia GI pipe light grade fixed to walls/poles or laid in trenches, road crossing etc., for protection of underground cable/earth strip including sealing ends with hessian cloth impregnated with bituminous compound in ground and with teak wood bushes for ends fixed on walls/poles complete all as specified and directed. |
| 46 | Supply and Fix overhead aluminium conductor, steel reinforced of any size including fixing to insulators with suitable size of binding wire complete all as specified and asdirected. |
| 47 | Supply, installation, testing & commissioning of Outdoor (IP54) 11kV 630Amps 21KA/3 sec. Non-Exrensible Ring Main Unit Compact switchgear consisting of1 nos. fixed morotized Load break switch module with direct cable module as INCOMER cum OUTGOING and Copper Busbar in SF6 insulated stainless steel enclosure (2 mm thick, SS304 grade). THe complete RMU must be type tested for Internal arc 21KA for 1 sec with AFLR Classification for Gas tank & Cable Chamber. HT RMU shall preferably have site replaceable bushings to have very less downtime in the event of bushing breakage and restoration can be done immediately without sending the RMU to OEM Works. Make of RMU shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE [ Channel partner / System Integrator / Authourized Partner/ License partner make RMU shall not be accepted.]The complete RMU shall be consisting of followings: |
| 48 | (A)Capacitive voltage indication fixed type system with LED and FPI in each load break switch feeder.(B)SF6 Gas pressure indicator on the gas tank.(C)Right angle boot to be provided in each moduleNote:[a]An operator situated in front, lateral and rear [A-FLR 21 kA – 1 Sec, Downwards Exhaust, for Tank as well as Cable Compartment] of the RMU Switch board during an internal fault shall not be exposed to the effects of Arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 Sec for both Tank & Cable Box shall be for minimum as per OEM standards.[b]All operations shall of the RMU shall be as per OEM standards. [c] Copy of the Type Test reports as per latest IEC shall be submitted along with drawings for approvals. [d] Factory Inspection will be carried out before Dispatching the item by AGE E/M /GE or as detail by Accepting officer. Neccessary arrangment willdone by the contratcor for testing.[e] After Installation Testing and commisioning will carried out in Presence of SEI . [f] Neccessary Civil work for Installation of RMU installation deemed to be included in the quoted rate. |
| 49 | Supply, installation, testing & commissioning of Outdoor (IP54) 11kV 630Amps 21KA/3 sec. Non-Exrensible Ring Main Unit Compact switchgear consisting of1 nos. fixed morotized Load break switch module as INCOMER and 2 nos. fixed morotized Load break switch module as OUTGOING and Copper Busbar in SF6 insulated stainless steel enclosure (2 mm thick, SS304 grade). THe complete RMU must be type tested for Internal arc 21KA for 1 sec with AFLR Classification for Gas tank & Cable Chamber. HT RMU shall preferably have site replaceable bushings to have very less downtime in the event of bushing breakage and restoration can be done immediately without sending the RMU to OEM Works. Make of RMU shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE [ Channel partner / System Integrator / Authourized Partner/ License partner make RMU shall not be accepted.]The complete RMU shall be consisting of followings: |
| 50 | (A)Capacitive voltage indication fixed type system with LED and FPI in each load break switch feeder.(B)SF6 Gas pressure indicator on the gas tank.(C)Right angle boot to be provided in each module(D)2X12V, 26AH Battary with Charger - 1 Set(E)Auxiliary VT shall be 11KV/230 ,500VA for AC supply input to Battary Charger.(F)Space for FRTU & Modem (FRTU & Modem not to be supplied now) with all the wirings for Control & monitoring of RMU to be terminated in TBs at one place. |
| 51 | Note:[a]An operator situated in front, lateral and rear [A-FLR 21 kA – 1 Sec, Downwards Exhaust, for Tank as well as Cable Compartment] of the RMU Switch board during an internal fault shall not be exposed to the effects of Arcing. Internal Arc Type Test Report for IAC AFLR 21 kA for 1 Sec for both Tank & Cable Box shall be for minimum as per OEM standards.[b]All operations shall of the RMU shall be as per OEM standards. [c] Copy of the Type Test reports as per latest IEC shall be submitted along with drawings for approvals. [d] Factory Inspection will be carried out before Dispatching the item by AGE E/M /GE or as detail by Accepting officer. Neccessary arrangment willdone by the contratcor for testing.[e] After Installation Testing and commisioning will carried out in Presence of SEI . [f] Neccessary Civil work for Installation of RMU installation deemed to be included in the quoted rate . |
