REPAIRS REPLACEMENT AND MAINTENANCE OF 66 KV SF6 BREAKERS HT 11 KV BREAKERS VCBS RMU SWITCH YARD AT MRS PHASE III PHASE II AND OTHER CONNECTED AREA UNDER GEI RD EAST BANGALORE

Amount

Supply & fix in replacement of old unserviceable Lighting arrestor expulsion type complete with all fittings, transmission class discharge capaciy of 69 KV all as specified and directed. Make: LAMCO/ABB/SCHNEIDER

Supply & fix of CTs 66 KV class for following ratio out door type oil immersed as per IS 2705 with insulators electrical connection as per manufacturers instruction complete CT shall be rated voltage of 72.5 KV Core-1 5P10 for Protection, Core-2 for metering, Core-3 5P10 for Protection & Core-4: PS for REF/Differential, Ratio 100-50/1-1-1-1 Amp for 5 MVA Transformer all as specified and directed. Make:LAMCO/ABB/SCHNEIDER/PRAGATHI

Supply and fix in replacement of old unserviceable PT with new potential transformer OIL Cooled with protective enclosure of ratio 66 KV/ 110 V /RT3/110V/RT3 Class 1.0/3P, Burden 100 VA/50 VA Voltage Factor 1.2 continuous / 1.5 for 30 seconds. ILV 12/28/75 KVP. Ins class B Ref Std IS : 3156/1992 One end earthed type with one No HRC fuse on HV side. Note :Primary Neutral to be solidly earthed including removing of old unserviceable PTs. Make: LAMCO/ABB/SCHNEIDER/PRAGATHI

Supply & fix in replacement of old unserviceable CT with new CT 11 KV, CT ratio 300-150 A / 1 -1 - 1 A control relay panel & for protection complete all as specified and as directed. Make: KALPA/ INSTRANS

Supply & fix in replacement of old unserviceable CT with new CT 11 KV, consisting of CT ratio100-50 A / 5 -5 A for Outgoing Feeder control relay panel for protection complete all as specified and as directed. Make: KALPA/ INSTRANS

Supply and fix in replacement of old unserviceable PT with new potential transformer for incomer panel oil cooled with protective enclosure of ratio 11 KV /110V/RT3/110/RT3 Class 1.0/3P, Burden 100VA/50VA Voltage Factor 1.2 continuous / 1.5 for 30 seconds. ILV 12/28/75 KVP. Ins class B Ref Std IS : 3156/1992 One end earthed type with one No HRC fuse on HV side.Note :Primary Neutral to be solidly earthed including removing of old unserviceable PTs. Make: KALPA/INSTRANS

Supply & Fix in replacement of Master Tripping Relay rating of 24 / 30 / 110 V dc for the existing HT VCB/OCB/RMU 11 KV Panels complete all as specified and as directed, Make: EASUN REYROLLE / C&S

Supply & fix Tripping / Closing coil with assembly for 66 KV SF6 breaker DC 110 V 100 W to the existing make. including taking out old unserviceable coil assembly, complete all as specified & directed

Material and labour for Calibration of Relays through secondary injection method and testing complete relays like IDMT relays instantaneous earth fault relays on HT OCB panel/VCB panel control SF6 breaker panel and control relay panel etc submitting reports all as directed by Engs-in -charge. Note: (i) Quarterly checking and calibration of all relays fixed in VCB, OCB, SF6 breaker for smooth functioning included in the scope of work. (ii) During quarterly checking all tripping/setting to be ensured for proper functioning of relay/breaker

Material and labour for Testing of HT current tranformer (set of three) through primary injection method and also checking the connected panel wiring meters, checking equipment and also checking relays and tripping system and closing operation of HT OCB/VCB complete all as specified and as directed

Supply & Fix in replacement of spring charging motor for 11 KV VCB suitable for the existing make including taking out old unserviceable one.

Supply & Fix closing coil / Tripping Coil for 11 KV Upto 800 Amp VCB 30/110 V DC including taking out old unserviceable coil complete all as specified and as directed.

Supply and fix HT spout bushing for VCB HT 11 KV, set of three current transformer/busbar side including taking out old unserviceable bushing complete all as specified and directed.

Supply, Fixing, Testing & Commissioning of Vaccum Interupter Bottle for the existing HT 11 KV VCB including taking out old unserviceable Vaccum Interupter Bottle complete all as specified and as directed

Supply and fix in replacement 11 KV VCB Fixed Contact of suitable for existing switchgear all as specified and as directed.

Supply and fix in replacement 11 KV VCB Moving Contact of suitable for existing switchgear all as specified and as directed.

Supply and fix Push Buttons (Black) for the existing HT VCB/OCB/RMU 11 KV Panels for including taking out old unserviceable Push Buttons complete all as specified and as directed

Supply and fix RED, YELLOW, GREEN, BLUE, AMBER & WHITE LED Indication Lamps Range (24 - 240 V ac/dc) for the existing HT VCB/OCB/RMU 11 KV Panels for including taking out old unserviceable Lamps complete all as specified and as directed

Supply and fix HRC Fuses for the existing HT VCB/OCB/RMU 11 KV Panels for including taking out old unserviceable Fuses complete all as specified and as directed

2 Amps capacity

6 Amps capacity

10 Amps capacity

16 Amps capacity

M & L in Replacement of unserviceable existing make and model IDMT relay numerical non directional over current and earth fault relay with communication feature (RS 485) with full automation system type Argus, Aux voltage 110 volt DC should comprise of the following feature :- (a) Three phase over current and one earth fault (b) High set - low set (c) RS-485 with full communication system (d) Multi characteristic for both over current and earth fault, Make: L&T / SCHNEIDER / ABB / C&S / EASUN REYROLLE

Supply and fix Trip-Neutral-Close (TNC) Switch, fixing with the existing HT VCB/OCB 11 KV Panel for including taking out old unserviceable TNC Switch complete all as specified and as directed. Make: Kaycee / L&T / Salzer / Vaishno

Supply & Fix of Multi Data Meter, measuring Voltage, Current, PF, HZ, KWH, KVAH, KVARH for out going various feeders to different Labs including complete wiring , testing all as specified and directed Make: SCHNEIDER / ELMEASURE

Supply and fix in replacement of Digital programmable Ammeter, size 96 x 96 mm including taking down the existing one all as specified and as directed. Make: Schneider HSN Code: 9030 or equivalent in L&T / Elmeasure

Supply and fix in replacement of Digital programmable KV / Volt Meter, size 96 x 96 mm including taking down the existing one all as specified and as directed. Make: Schneider HSN Code: 9030 or equivalent in L&T / Elmeasure

Supply and fix DC power pack 230 V AC Input & output 110 / 30 V DC for energizing tripping and closing coil installed in VCB/OCB complete tesing including taking down old unserviceable DC power pack all as specified and directed.

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for Outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 185 sq mm complete all as specified and as directed. Make: RAYCHEM/MSEAL/DENSON

M & L for 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 185 sq mm complete all as specified and as directed. Make: RAYCHEM/MSEAL/DENSON

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr deep for foundation etc for laying of cables, erection of poles, struts/stays etc not exceeding 10 sqm in hard /dense soil complete all as specified.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removal of excavated material [Soil] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed.

M&L for river washed sand, sreened dry for filling in the trenches below and around the UG cable for cushioning of cable including punning down complete all as specified and directed.

M & L for un- reinforced pre cast concrete covers class HV type 300mmx 180mm x 40mm size factory made for cable protection complete all as specified and directed.

Supply and fixing GI pipe light grade 100 mm dia for protection of HT/LT cable under road or on wall all as specified and directed .

Supply, laying, testing, jointing and commissioning XLPE insulated cable screened PVC bedded, galvanised steelstrip or wire armoured electric powercable heavy duty with aluminium conductor of size 185 Sqmm 3 core 11000 Volt grade (11 KV earthed) laid in trenches/fixed on poleincluding taking out existing deffective cable . (Note : Earth work, sand cushioning, cable protection cover, pipe and joint shall be measured and paid separately.

Supply and fix in replacement MD XL type 20 KVAR capacitor 440 volt, 3 Phase, , voltage test between terminals 1.75 rated volt including taking out u/s all as directed by Engs-in -charge. Make- Neptune, SIMENS, L&T, EPCOS

Supply and fix in replacement MD XL type 25 KVAR capacitor 440 volt, 3 Phase, , voltage test between terminals 1.75 rated volt including taking out u/s all as directed by Engs-in -charge. Make- Neptune, SIMENS, L&T, EPCOS

Supply and fix in replacement MD XL type 50 KVAR capacitor 440 volt, 3 Phase, , voltage test between terminals 1.75 rated volt including taking out u/s all as directed by Engs-in -charge. Make- Neptune, SIMENS, L&T, EPCOS

Supply and fixing in replacement of MCCB, TP, 415 V, fixed type, 125 Amps with breaking capacity 16 KA

Supply and fixing in replacement of MCCB, TP, 415 V, fixed type, 63 Amps with breaking capacity 16 KA

Supply and fix in replacement of contactor 3 pole, 25 kA, 125 Amps for Capacitors etc all as directed.

Supply and fix in replacement of contactor 3 pole, 25 kA, 63 Amps for Capacitors etc all as directed.

Supply and fixing in replacement of APFC Relay 12 Stage Auto / Manual, type of measurement Power Factor, Display type Four Segment LED four Digit, Rated Supply: 320-460 V AC, Measurement accuracy: ±2% including testing and commissioning all as specified and diected.

M&L required for locating fault in U/G HT cable by using fault detector machine including transportation and by carring out high voltage test all as directed by Engr-in-charge

KARTHIK INCORPORATE

SAI CONSTRUCTIONS

RAHUL ENTERPRISES

GS TRADERS

S CHANDRASHEKAR (SREE BUILDERS)

ESSAR DIESEL SERVICE

Lucky Enterprises