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| 1 | Section 1: Supply |
| 2 | STATION SUPPLY PORTION : SF-6 CIRCUIT BREAKER: SF-6 Circuit Breaker with rigid bi-metallic terminal connector suitable for single/double Drake ACSR with spring / semi-pneumatic / pneumatic type operating mechanism and with mounting structure a. 220KV, 1250A, 50KA Class |
| 3 | 220kV Metal encapsulated SF6 gas insulated switchgear 50kA rating suitable for indoor installation of modular design. Note : Bidders/Tenderer shall source the required GIS Module from manufacturer such that the module shall be compatible with existing GIS modules at 220/66/11kV HBR GIS Substation. The scope also includes civil works, earthing materials, etc., required for commissioning of GIS module in the GIS hall. 220 kV line (U.G.Cable) Module: I Each module comprising of the following: a) SF6 circuit breaker Complete with operating Mechanism, 2000A, 1 Phase / 3 Phase-1 No. b) Disconnector: 3 Phase, Single Pole, Group operated isolator switch complete with manual & motor driven operating mechanism 1600A -3 Nos. 3 Phase, Single Pole, Group operated maintenance earthing switch complete with manual operating mechanism 2 Nos. 3 Phase, Single pole, fast acting, fault make earthing switch complete with group operated manual & motor driven operating mechanism-1 No. c) Current Transformer: 5 Core, Multi ratio, single phase current transformer 1600-800/1-1-1A plus additional 2 cores of 1600/1-1A (1 Set) 3Nos. d) Surge Arresters (198KV) :- (1set) 3 Nos. e) Bus Bar-Double bus arrangement: Main Bus - 3000A f) Auxiliary bus - 1600A g) Cable end unit (Plug in type): 3Phase, Single pole, cable termination - 1 Run for 1200 sq.mm for each phase - 1 set. h) Gas monitoring device, Remote Gas Pressure Transmitters (4-20mA Signals), barriers pressure switches etc., UHF Sensors etc as required. Note: The bus and the equipments may be with single phase or 3 phase enclosure i) Control/power/screened cables (FRLS type) from GIS module to LCC panel as per technical specifications - as reqd. |
| 4 | Local Control cubicle for 220kV line (UG cable) module as per specification |
| 5 | ISOLATORS: Isolators and Terminal connectors as per Technical specification including solid core cylindrical post insulators: 220kV, 1250A, 50KA class Double break Motor operated Isolators Upright mounting type with manually operated earth switch (Live point height 5750mm) |
| 6 | Upright mounting type without Earth switch.LPH 8250mm. |
| 7 | Upright mounting type without Earth switch LPH 5750mm |
| 8 | Under hung mounting type without earth switch Note - Terminal Connectors for ISOLATORS: Rigid type terminal connector suitable for Drake ACSR - 24no. Flexible type Terminal connector suitable for 63mm Al.Pipe - 6no. |
| 9 | CURRENT TRANSFORMERS: Oil filled Current Transformers with rigid terminal connector suitable for Drake ACSR/Al tube 220KV, 50KA CT of Ratio 1200-800-600-300/1-1-1A with additional 2 Cores of 1200/1A For Metering: Accuracy 0.2S, Burden 10VA For dedicated Metering core : Accuracy 0.2S, Burden 5VA For Differential/Distance Protection: PS Class, Knee Point Voltage - 1600V at 800/1A Rct 5ohms - 600V at 300/1A Rct 1.875 ohms. For Bus Bar Protection: PS Class, Knee Point Voltage 1600V, Rct-5 ohms at 800/1A |
| 10 | Capacitor Voltage Transformer: Single phase, outdoor type as per technical specification: 220kV, 4400PF CVTS of Ratio 220kV / root3/110V/root3 - 110V/root3 Protection cores - 1&3:150VA Class 3P |
| 11 | SURGE ARRESTOR 198KV, 10KA, Class-III, Metal Oxide Type (with Surge Monitors & Insulating Base ) |
| 12 | Relay & Protection Panels: 220kV SAS compatible Cable C&R panel (As per Annexure RPPI-cable-SAS) including Line Differential relays - Main-1 - 'GE-P54591SC6S0910M' & Main-2 - 'GE Multilin L90' to match Line Differential relays to be provided at proposed 220/33kV BMRCL RSS at Nagavara, Thanisandra main road, Bengaluru. NOTE: 220kV Puttenahalli S/S: 1. The differential relays provided for Main-1 & main-2 protection shall act as back-up relays. 2. The Accuracy class of metering core of CTs, CVTs, VTs and also trivector meters of control & relay panels shall be 0.2 class 3. The C&R Panels and associated Panels shall match with the existing panel in respect of dimensions, mimic etc. 4. The proposed C&R panel shall be interfaced with existing M/s ERL make SAS at 220/66 kV DG plant station. 5. the proposed C&R panel shall be interfaced with existing bus bar protection. 220kV HBR GIS Station: 1. The C&R Panels and associated Panels shall match with the existing panel in respect of dimensions etc. 2. The proposed C&R panel shall be interfaced with existing SAS at HBR S/s |
| 13 | Total - Mild Steel of Station & Mounting Structures (excluding Bolts & nuts) |
| 14 | Total - Bolts & nuts of Mounting Structures |
| 15 | Rigid Bus with Taps & Clamps (Sch-80): Aluminium pipe conforming to 6340WPS of IS-5082/1969 of following nominal diameter: 100 mm size- 220 kV side |
| 16 | 63mm Size for connecting isolator to vertical tap- 220kV side |
| 17 | a. Inverted ‘V’ taps made of 63mm Aluminium Tube (BS-1600) of 2500mm vertical height for vertical portion and cross bus on 220KV Side with rounded off end |
| 18 | a. Post Insulator Clamp suitable for 100 mm Aluminum pipe and post insulators solid core type (Including erection charges) - 220kV side: Rigid Type |
| 19 | Expansion Type |
| 20 | Corona Bell suitable for aluminum pipe 100mm size |
| 21 | b) End cap for 63mm |
| 22 | Welding Sleeves |
| 23 | ACSR Conductor Drake-220 kV side |
| 24 | INSULATORS Post insulator Cylindrical Solid core Insulators as per IS:5350, part-II & III Post insulators of Rigid Bus For 220 kV side - 2 unit per stack |
| 25 | Disc Insulators String. 11KV, 120KN Disc Insulator 220KV Side Tension String : Strings of 16 units |
| 26 | 11KV 90KN Disc Insulator 220KV side suspension string - string of 14 units |
| 27 | Insulator Hardware & Clamps: Bolted Type tension clamp to suit Drake ACSR |
| 28 | Bolted type suspension clamp to suit Drake ACSR |
| 29 | C Type Wedge connector (T-Type) suitable for Drake to Drake ACSR. |
| 30 | PVC insulated aluminium power cable (for AC supply): 3.5 core , 70 sq.mm with glands/lugs/ferrules |
| 31 | AC Distribution Box (Out door): AC Distribution Box Double front type, 6 terminals, 750 x 1350 x 300mm, 1I/C of 100A, MCCB 20KA + 6 O/G MCB 16A+1 O/G of 100A, HRC fuse. |
| 32 | a) PVC insulated copper control cable with lugs/ferrules , size of cables : 19 Core 2.5 Sq.mm. Copper Control Cables |
| 33 | 10 Core 2.5 Sq.mm. Copper Control Cables |
| 34 | 4 Core 2.5 Sq.mm Copper Control Cables |
| 35 | 4 Core 6.0 Sq.mm. Copper Control Cables |
| 36 | 4 Core 4.0 Sq.mm. Copper Control Cables |
| 37 | 4 Core 16.0 Sq.mm. Copper Control Cables |
| 38 | vii) 2Px0.5Sq.mm screened Twisted pair cable |
| 39 | viii) 4P x 0.5 Sq.mm screened Twisted pair cable |
| 40 | Miscellaneous Items: Equipment Name Board |
| 41 | Earthing name boards Note: sizes / capacities to be got approved |
| 42 | Supply of Stub for foundation of Lightning mast. |
| 43 | Section 2: Erection |
| 44 | STATION ERECTION (incl. TESTING & COMMISSIONING PORTION): SF-6 CIRCUIT BREAKER: SF-6 Circuit Breaker with rigid bi-metallic terminal connector suitable for single/double Drake ACSR with spring / semi-pneumatic / pneumatic type operating mechanism and with mounting structure a. 220KV, 1250A, 40KA Class. |
| 45 | 220kV Metal encapsulated SF6 gas insulated switchgear 50kA rating suitable for indoor installation of modular design. Note: Bidders/Tenderer shall source the required GIS Module from manufacturer such that the module shall be compatible with existing GIS modules at 220/66/11kV HBR GIS Substation. Erection includes coupling with the existing bus, degasing of SF6 gas and filling of SF6 gas complete as per the requirement at the site. The scope also includes civil works, earthing materials, etc., required for commissioning of GIS module in the GIS hall. 220 kV line (U.G.Cable) Module: I Each module comprising of the following: a) SF6 circuit breaker Complete with operating Mechanism, 2000A, 1 Phase / 3 Phase-1 No. b) Disconnector: 3 Phase, Single Pole, Group operated isolator switch complete with manual & motor driven operating mechanism 1600A -3 Nos. 3 Phase, Single Pole, Group operated maintenance earthing switch complete with manual operating mechanism 2 Nos. 3 Phase, Single pole, fast acting, fault make earthing switch complete with group operated manual & motor driven operating mechanism-1 No. c) Current Transformer: 5 Core, Multi ratio, single phase current transformer 1600-800/1-1-1A plus additional 2 cores of 1600/1-1A (1 Set) 3Nos. d) Surge Arresters (198KV) :- (1set) 3 Nos. e) Bus Bar-Double bus arrangement: Main Bus - 3000A f) Auxiliary bus - 1600A g) Cable end unit (Plug in type): 3Phase, Single pole, cable termination - 1 Run for 1200 sq.mm for each phase - 1 set. h) Gas monitoring device, Remote Gas Pressure Transmitters (4-20mA Signals), barriers pressure switches etc., UHF Sensors etc as required. Note: The bus and the equipments may be with single phase or 3 phase enclosure i) Control/power/screened cables (FRLS type) from GIS module to LCC panel as per technical specifications - as reqd. j) Local Control cubicle for 220kV line (UG cable) module as per specification |
| 46 | Total - 220kV Upright mounting type Isolators |
| 47 | Under hung mounting type without earth switch Note - Terminal Connectors for ISOLATORS: Rigid type terminal connector suitable for Drake ACSR - 24no. Flexible type Terminal connector suitable for 63mm Al.Pipe - 6no |
| 48 | CURRENT TRANSFORMERS: Oil filled Current Transformers with rigid terminal connector suitable for Drake ACSR/Al tube 220KV, 31.5KA CT of Ratio 1200-800-600-300/1-1-1A with additional 2 Cores of 1200/1A For Metering: Accuracy 0.2S, Burden 10VA For dedicated Metering core: Accuracy 0.2S, Burden 5VA For Differential/Distance Protection: PS Class, Knee Point Voltage - 1600V at 800/1A Rct 5ohms - 600V at 300/1A Rct 1.875 ohms. For Bus Bar Protection: PS Class, Knee Point Voltage 1600V, Rct-5 ohms at 800/1A |
| 49 | Capacitor Voltage Transformer: Single phase, outdoor type as per technical specification: 220kV, 4400PF CVTS of Ratio 220kV / root3/110V/root3 - 110V/root3 Protection cores - 1&3:150VA Class 3P |
| 50 | SURGE ARRESTOR 198KV, 10KA, Class-III, Metal Oxide Type (with Surge Monitors & Insulating Base ) |
| 51 | Relay & Protection Panels: 220kV SAS compatible Cable C&R panel (As per Annexure RPPI-cable-SAS) including Line Differential relays - Main-1 - 'GE-P54591SC6S0910M' & Main-2 - 'GE Multilin L90' to match Line Differential relays to be provided at proposed 220/33kV BMRCL RSS at Nagavara, Thanisandra main road, Bengaluru. NOTE: 220kV Puttenahalli S/S: 1. The differential relays provided for Main-1 & main-2 protection shall act as back-up relays. 2. The Accuracy class of metering core of CTs, CVTs, VTs and also trivector meters of control & relay panels shall be 0.2 class 3. The C&R Panels and associated Panels shall match with the existing panel in respect of dimensions, mimic etc. 4. The proposed C&R panel shall be interfaced with existing M/s ERL make SAS at 220/66 kV DG plant station. 5. the proposed C&R panel shall be interfaced with existing bus bar protection. 220kV HBR GIS Station: 1. The C&R Panels and associated Panels shall match with the existing panel in respect of dimensions etc. 2. The proposed C&R panel shall be interfaced with existing SAS at HBR S/s |
| 52 | Installation, integration, testing & commissioning of C&R panels with SAS supplied for new bay extension with existing Automation System 220 kV feeder C&R panels with BCUs - integration with existing bus bar scheme |
| 53 | Total - Mild Steel of Station & Mounting Structures (including Bolts & nuts) |
| 54 | Rigid Bus with Taps & Clamps (Sch-80): Aluminium pipe conforming to 6340WPS of IS-5082/1969 of following nominal diameter: 100 mm size- 220 kV side |
| 55 | 63mm Size for connecting isolator to vertical tap- 220kV side |
| 56 | Formation of main/cross bus (all the three phases in a segment) using Aluminium Tube/ Drake- Single/double conductors with fixing of insulator spacers, leveling of string conductors to the required height above the equipments, including providing jumps to interconnect different segments of the main bus. |
| 57 | a. Post Insulator Clamp suitable for 100 mm Aluminum pipe and post insulators solid core type (Including erection charges) - 220kV side: Rigid Type |
| 58 | AC Distribution Box (Out door): AC Distribution Box Double front type, 6 terminals, 750 x 1350 x 300mm, 1I/C of 100A, MCCB 20KA + 6 O/G MCB 16A+1 O/G of 100A, HRC fuse. |
| 59 | Total 1.1kV cable |
| 60 | Miscellaneous Items: Equipment Name Board |
| 61 | Earthing name boards Note: sizes / capacities to be got approved |
| 62 | Earthmat formation: (As per Technical specifications) Grounding of equipment with 75X12 mm G.I. Flat and connecting equipment to the earthmat/ground pit. Each point of earthing with all formation works like bending, twisting, drilling of holes and connecting by welding (inclusive of all T&P and consumables) to the earthmat/ground pit/point of earth connection, all the materials supplied by the contractor |
| 63 | Grounding of equipment by providing cast iron pipe of 100 mm ID 13 mm thickness, 2.75 metre long with 2 part clamp out of G.I. Flat 50 X 6 mm continuously welded alround the pipe using cast iron welding electrodes as per drawing including the cost of excavation (All materials to be supplied by the contractor) |
| 64 | Releasing and re-erection of lightning mast including light fixtures and control cable wiring |
| 65 | Section 3: Civil |
| 66 | STATION CIVIL PORTION-Work Indent-3063: Earth work excavation for Foundation by mechanical means for all works & depth upto 3 m, as per drawing and technical specifications, including setting out, shoring, strutting, barricading, caution lights, including dressing of excavated surfaces, disposing off or levelling the excavated earth or sorting & stacking the selected earth for reuse in a radius of 50 m and lift upto 1.5 m including cost of labour, tools, usage of machinery & other appurtenaces required to complete the work In all kinds of soils Depth upto 3 m |
| 67 | Providing and laying in position plain cement concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed, laid in layers not exceeding 150 mm thickness, well compacted using plate vibrators, including all lead & lifts, cost of all materials of quality, labour, Usage charges of machineries, curing, and all the other appurtenances required to complete the work as per technical specifications. Mix 1:3:6 (M10) Using 20 mm and down size graded crushed coarse aggregates. |
| 68 | Providing and laying in position Cement Concrete for all Foundation works. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with super plasticizers laid in finished layers, well compacted using needle vibrators, including all lead & lifts, cost of all materials, quality confirming to the requirements of relevant IS codes, labour, Usage charges of machinery, curing, form work, centering & scaffolding and all the other appurtenances required to complete the work as per technical specifications. M25 Design Mix Using 20 mm nominal size graded crushed coarse |
| 69 | Constructing brick masonry chamber of internal dimension 450x450mm and depth of 600mm (inner dimensions) with modular bricks of CD 75 in cement mortar 1:6, bed concrete 150mm thick with 1:3:6, plastering 12 mm thick with cement mortar 1:4, CC 1:2:4 coping 75mm thk for fixing CI cover & frame etc. excluding the cost of CI |
| 70 | Constructing brick masonry chamber of internal dimension 600x600mm and depth of 600mm (inner dimensions) with modular bricks of CD 75 in cement mortar 1:6, bed concrete 150mm thick with 1:3:6, plastering 12 mm thick with cement mortar 1:4, CC 1:2:4 coping 75mm thk for fixing CI cover & frame etc excluding the cost of CI frame and cover. |
| 71 | Providing and fixing SFRC frame and cover conforming to IS 12592 (part-I)-1988 and IS 12592 (part-II)- 1991 with latest amendment, including cutting slabs to the required size for the opening and fixing the cover in C.C. 1:2:4 and C.M. 1:3 plastering 20 mm thick to all exposed faces, curing for 10 days with all lead and lift with appurtenances. complete. Medium Duty |
| 72 | Removal, stacking and re-spreading of existing jelly as per the directions of the engineer in charge of the work including all costs labour, loading, unloading, transportation etc., complete and any other items not mentioned herein but required for the completion of work |
| 73 | Steel Fabrication: Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcement including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/welding joints, tying with binding wire / soft annealed steel wire and other ancilary operations complete as per drawing and technical specification -For other type of structures |
| 74 | Providing and fixing Structural Steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a 2 coat of approved paint over the priming coat of approved steel primer all complete including cost of materials, labour, usage charges of machinery complete as per specifications and as per directions of the Engineer-in-Charge. |
| 75 | Refilling available earth around trenches/pipelines, cables in layers not exceeding 20 cms in depth, compacting each deposited layer by ramming after watering with a lead upto 50 m, and lift upto 1.5 m. Including cost of all labour complete as per specifications |
| 76 | Jelly Spreading (20-25 mm) : Supplying and providing jelly in the station yard of uniform thickness of 100 mm including the cost of materials, labour charges, required tools and plants etc., complete. Work shall be carried out as per the instructions of Engineer in- charge of works as per the standard procedure. |
| 77 | Providing S&S RCC SPUN / VIBRATED CAST PIPES (REINFORCED) pipes NP-3 Class conforming to IS:458-1988 with latest amendments using ordinary Portland cement, for sanitary works and conveying to work site, rolling and lowering into trenches, laying true to line and level including loading and unloading at both destinations and jointing of pipes and specials, perfect linking of joints with jack to correct position including cost of jointing materials, i.e, rubber rings conforming to IS: 5382 for S&S RCC pipes, with all leads and lifts as directed and giving necessary hydraulic test as per ISS to the required pressure and commissioning etc. complete. (Contractor will make his own arrangements for procuring water for testing). Before the execution of the work, the contractor shall carry out the survey. RCC NP3 Class pipe of 300 mm dia. for Cable duct E & F Type |
| 78 | Foundation for Lightning mast including excavation, shuttering, steel reinforcement, concrete, backfilling etc. (Rate as per KPWD SR) |
| 79 | Section 4: Spares |
| 80 | STATION MANDATORY SPARES SUPPLY : Circuit Breaker (CB) Closing coil with resistor for 220KV CB |
| 81 | Tripping coil with resistor for 220KV CB |
| 82 | Terminal pad for 220KV CB |
| 83 | Terminal connector for 220KV CB |
| 84 | Isolator: Copper contact finger male & for female for 220KV |
| 85 | Mandatory Spares for SAS: Ethernet Switch of each type |
| 86 | Optical cable fibre of longest length |
| 87 | For GIS Common spares, Maintenance and testing tools: Rubber gaskets, \\"O\\" rings and seals for SF6 gas |
| 88 | Control valves for SF6 gas |
| 89 | SF6 gas (10% of total gas requirement subject to min of 30kgs) |
| 90 | Circuit breaker:- GIS Trip coils with resistor |
| 91 | Closing coils with resistor |
| 92 | Relays, power contactors, push buttons, timers & MCB etc., Please Enable Macros to View BoQ information |
