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| 1 | Supply, Installation, testing & commissioning of Factory Made 11 KV, 630 Amps, 21KA for 3 Seconds, AFLR, SF6 Insulated, Motorised, Outdoor 3 Way RMU Consisting of 1 No. load Break Switch as Incoming and 2 Nos. of VCBs as Outgoing, CVV+M comprising of the following complete all specified and as directed.Note:- 1.Units shall be SCADA compatible.2. Drawing to be submitted for approval to Engr-in-charge before procurement of Item 3.Make of the RMU should be as same as existing make on the ground. |
| 2 | [A]RMU shall be 11 KV, 630 Amps, 21 kA for 3 Seconds, Internal Arc 21kA/1Sec, AFLR, SF6 Insulated, Motorized, Outdoor, 3 Way RMU, Left side Extensible, Right Side Metering Unit, SCADA compatible Overload and earth fault protection Relaywith Air Insulated Bus Connected Metering unit (Type +CVV+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 Stainless Steel Enclosure (2.5mm thickness SS304), nominal operating gas pressure 1.3 BAR @20°C, RMU Tank shall provide Full Insulation and Switchgear shall be insensitive to the environment with Degree of Protection of IP67, 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 classification. tested and totally safe for human beings. |
| 3 | [B]Load Break switch (LBS) Each shall be comprising of the following:- (i) 11 KV, 630 Amps, 21 kA/ 3s 3 Pole ManualLoad Break Switch – 1 No. (ii) FPI -01 No.[C]Vacuum Circuit Breaker [VCB] Each shall be comprising of the following: [i]11 KV, 630 Amps, 21 kA/ 3s, 3 Pole 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 |
| 4 | [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 |
| 5 | 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) Quoted rate includes Disconnect the HT cable and test the IRvalues of cable then Re fix the same cable to Proposed panel. HT bussing shall be onsite replaceable, with and including right angle boots, PCC foundation, excavation and earth work, etc and connecting kit to extend from existing panel complete all as specified and as directed. |
| 6 | Supply, installation, testing and commissioning of 11KV, 3 phase 21 KA/3 sec, 50 Hz, totally gas insulated outdoor Compact Ring Unit with both side Extensible (Type:+V+) VCB consisting ofSafety mechanism is numerical relay with motorized tripping system , complete not less than 2.0 mm robotically welded stainless steel tank of IP 67/more class of protection, with 350 MVA rupturing capacity with panel front terminated type, HT bushing shall be onsite replaceable, with and including right angle boots, PCC foundation, excavation and earth work, etc and connecting kit to extend from existing panel complete all as specified and as directed. Note:- 1.Units shall be SCADA compatible.2. Drawing to be submitted for approval to Engr-in-charge before procurement of Item 3.This unit is extension to the existing ABB Unit of as per compatible with existing model on ground |
| 7 | Supply, installation, testing and commissioning of 11KV, 3 phase 21 KA/3 sec, 50 Hz, totally gas insulated outdoor Compact Ring Unit with both side Extensible (Type:+VV+) VCB consisting ofSafety mechanism is numerical relay with motorized tripping system , complete not less than 2.0 mm robotically welded stainless steel tank of IP 67/more class of protection, with 350 MVA rupturing capacity with panel front terminated type, HT bushing shall be onsite replaceable, with and including right angle boots, PCC foundation, excavation and earth work, etc and connecting kit to extend from existing panel complete all as specified and as directed. Note:- 1.Units shall be SCADA compatible.2. Drawing to be submitted for approval to Engr-in-charge before procurement of Item 3.This unit is extension to the existing ABB Unit of as per compatible with existing model on ground |
| 8 | Supply, laying & testing XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm complete all as specified and as directed. |
| 9 | S&Fcable jointing kit for 11 KV grade cable for outdoor termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 70 to 120 sqmm complete all as specified and as directed. |
| 10 | S&Fcable jointing kit for 11 KV grade cable for indoor termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 70 to 120 sqmm |
| 11 | S&F Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 to 120 sqmm complete all as specified and as directed. |
| 12 | M&L for Earthing complete with copper earth plate electrode 600x 600 x 3.15mm buried directly in ground earth pit not less than 2.25 mtr below ground level with top edge of the plate not less than 1.5 mtr below ground level, surrounded from all sides with mixture of charcoal and common salt and electrode connected with earth lead copper strip 20x3mm (2 Run) by means of bolts, check nut and washers of copper/brass, GI pipe medium grade of 40 mm bore as protection pipe, copper of length not more than 7.5 mtr and connected to the equipment. GI pipe 20mm dia light grade for watering, funnel with wire mesh, PCC pit and RCC (1:2:4) type B-1 for cover 50mm thick including excavation and earth work disposal of surplus soil to a distance not exceeding 50 mtr as shown on electrical plate No 3 of SSR 2009 complete all as specified and as directed. |
| 13 | Excavation in trenches in soft/loose soilnot exceeding 1.5 m deep and not exceeding 1.5 m in wide for laying of cable, RCC Poles/stays and struts etc and getting out including trimming sides and forming bottom surface complete all as specified and as directed |
| 14 | Returning, filling-in, including spreading, watering and well ramming in layers notexceeding 25 cm thick each, in soft /loose soil complete all as specified and as directed. |
| 15 | M&L Removing excavated material (soil) to a distance n.exc. 50m and depositing where directed at a level n.exc. 1.5 m above the starting complete all as specified and as directed |
| 16 | M&L forDry sand cushioning for protection of underground cable providing with a layer 8 cm before laying and 15 cm after laying, complete all as specified and directed. Note:-Punned down thickness of sand shall be measured for payment. |
| 17 | M&L for laying common burnt bricks, sub class \"B\", of size 230 x 115 x 75 mm in trenches for cable protection complete all as specified and as directed.Note:- The brick shall be laid flat over the sand cushioning with length of brick across the axis of the cable. |
