REPAIR AND MAINT OF HT SWITCHGEAR VCB OCB AND ALLIED WORKS UNDER GE SATWARI

Amount

Disconnecting only HT 11 KV Supply from HT 11 KV VCB panel and restore HT 11 KV supply after repair, servicing of HT panel, complete all as specified and directed. Note : All repair items/servicing will be paid in the relevant items of Sch A.

Supply, fixing and testing for replacement of damaged space heater in ABB HT 11 KV VCB panel with new one suitable to operate on 220 Volts AC supply complete with necessary wiring and control cable with toggle switch, complete all as specified and directed by Engr-in-charge.

Supply, fixing and testing for replacement of damaged space heater in Schneider HT 11 KV VCB panel with new one suitable to operate on 220 Volts AC supply complete with necessary wiring and control cable with toggle switch, complete all as specified and directed by Engr-in-charge.

Supply, fixing and testing for replacement of damaged space heater in Areva HT 11 KV VCB panel with new one suitable to operate on 220 Volts AC supply complete with necessary wiring and control cable with toggle switch, complete all as specified and directed by Engr-in-charge.

Servicing of HT 11KV indoor VCB panel and breakers of any make with mechanism comprising of the following:- (a) Decarburizing/cleaning complete 11kV HT Bus bar chamber with electrical connections, complete bus bar from the bus bar chamber , Cleaning with CTC and ensure proper decarburizing up to proper megger value, refixing the same after applying Backtol Red solution to the bus bar insulator and checking all the connections, tightening the nuts, bolts complete including replacement of defective rusted bolts and nuts all as specified and directed. (b) Servicing of spring loaded operating mechanism. (c) Servicing of spring charging motor. (d) Checking and servicing of gearbox, auxiliary switches, spring, limit switch etc complete. (e) Checking and repairing electrical and mechanical operations (f) Lubrication all moving parts with petroleum jelly and cleaning all bushing insulators with CTC Contd to Srl item No 5.01

(g) Tightening of all mechanical connections of mechanism (h) Proper Tightening all LV connection of VCB. After completion of above items HT 11 KV supply will be restored as per disconnecing order and testing, complete all as specified and as directed by of Engr-in-Charge.

Collecting necessary required data and peak load details from IED of any type/Make from 11KV HT panel, Transformer/Feeder full load details during peak hours. Relay Setting Calculations and Co-Ordination Study. Unit Protection Setting of Transformers. Feeder wise settings has to be furnished and Report with Firm Recommendations to be submitted, Down Stream Power distribution (Complete 11 KV system) overall co-ordinations of time need to be achieved. Disconnecting IED of any type/Make from 11kV HT panel, cleaning the contacts, IED configuration, Calibration and Testing of all the measuring and protection elements at site. Testing of all the trip functions of the relays after final current settings by simulating fault current by CT secondary injection test set, rectification of defects in control wiring for proper tripping of CB during actual system fault conduction through relay & Tripping coil in, complete all as specified and directed. Contd to Srl item No 6.01

Note: The Contractor has to arrange necessary testing Kits, testing equipments, tools etc. Rental rates for the testing/calibration kits & connected equipments are deemed to be included in the quoted rate. Testing & tuning shall be carried out onsite with testing equipments in presence of Engr-in-Charge by Qualified , Licenced personal and test results shall be signed both by the contractor and Engineer-in-Charge and kept on record to the satisfaction of the Department.

Disconnecting HT 11 KV supply from RMU 11 KV indoor/outdoor type, Material and labour for repairs/servicing of 11KV indoor/ outdoor RMU's of any make with mechanism comprising of the following:- (a) Cleaning of RMU for dust, oxidising and decarbonising with CTC. (b) Repair/servicing of spring loaded operating mechanism. (c) Repair/servicing of spring charging motor. (d) Checking, repairing & servicing of gearbox, auxiliary switches, spring, limit switch etc complete. (e) Checking & repairing electrical and mechanical operations (f) Lubrication all moving parts with petroleum jelly & cleaning all bushing insulators with CTC (g) Tightening of all mechanical connections of mechanism (h) Proper Tightening all LV connection of VCB. Note:- After completion of above items, HT 11 KV supply will be restored as per disconnecting order and testing all as per the directions of Engr-in-Charge.

Disconnecing LT supply from the unsv charger and Material and labour for replacement of unserviceable Battery charger suitable for 15 x 2 volt 100AH DC battery banks (30V DC) including taking down old and reconnecing LT supply and testing, complete all as specified and directed by Engineer-in-Charge.

Disconnecting LT supply from the unsv charger and Material and labour for replacement of unserviceable Battery charger suitable for 18 x 2 volt 100AH DC battery banks (36V DC) including taking down old and reconnecting LT supply and testing, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable Spring charging motor for ABB HT 11 KV VCB Panel as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable Spring charging motor for Areva HT 11 KV VCB Panel as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable vaccum interrupter for Areva HT 11 KV VCB Panel as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable vaccum interrupter for ABB HT 11 KV VCB Panel as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable breaker charging spring of ABB HT 11 KV Breaker as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable breaker charging spring of Areva HT 11 KV Breaker as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable master trip relay, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable over current and earth fault relay, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable ABB coil Art No 1MT=YN563613-AAD, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement of handle unigear of HT VCB Panels, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement of main door locking handle of HT VCB Panels, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable Auxiliary contactor as per existing make and model, complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of unserviceable LED Indication Lamps, complete all as specified and directed by Engineer-in-Charge.

Supply laying & testing in replacement of XLPE insulated, Armoured, electric cable heavy duty with alumimium conductor 11000 volt (Earthed) grade of size 185 Sqmm x 3 core, complete all as specified and directed.

Supply laying & testing in replacement of XLPE insulated, Armoured, electric cable heavy duty with alumimium conductor 11000 volt (Earthed) grade of size 240 Sqmm x 3 core complete all as specified and directed.

Supply and Fixed in replacement of outdoor type cable end termination jointing kit heat shrinkable complete with all accessories and jointing materials suitable mounting on channel/angle iron for 3 core 150 to 185 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture), complete all as specified and directed.

Supply and Fixed in replacement of outdoor type cable end termination jointing kit heat shrinkable complete with all accessories and jointing materials suitable mounting on channel/angle iron for 3 core 240 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture), complete all as specified and directed.

Supply and Fixed in replacement of outdoor type cable straight through jointing kit heat shrinkable complete with all accessories and jointing materials with and incl cable pieces of suitable size length and line type for 3 core 150 to 185 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture), complete all as specified and directed.

Supply and Fixed in replacement Outdoor type cable straight through jointing kit heat shrinkable complete with all accessories and jointing materials with and incl cable pieces of suitable size length and line type vice for 3 core 240 Sqmm XLPE HT cable (kit shall be not older than 3 months from the date of manufacture), complete all as specified and directed.

Excavation in trenches in any type of soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide and getting out complete all as specified and directed.

Sand cushioning to underground cables provided with a layer of sand 8cm thick before laying the cable in trenches and 15cm thick after laying the cable in trenches complete all as specified. Note:- 1.Dry fine sand of best available quality shall be used. 2.Punned thickness shall be made and paid.

Supply and laying sub class `B` bricks laid dry flat transversely along the length of cable with width equal to the length of bricks over sand cushioning as protection cover of cable laid, complete all as specified and directed.

Returning, filling in and including spreading, levelling, watering and well ramming in layers not exceeding 25 cm, complete all as specified.

Removal of surplus soil to a distance not exceeding 50m and depositing where directed at a level not exc. 1.5m above the starting point, complete all as specified

Supply and fix in replacement of Digital Ammeter of CT Ratio 300/150/5 amp, complete all as specified and as directed.

Supply and fix in replacement of Digital Ammeter of CT Ratio 150/75/5 ampp, complete all as specified and as directed.

Supply and fix in replacement of Digital Voltmeter of PT Ratio 11000/110 Voltsp, complete all as specified and as directed.

BABBAR ENGINEERS

M/S RAJ ENGINEERS

M/S S K Electricals Regd

M/S INDERPAL SINGH

vishesh engineers