REPAIR/ MAINTENANCE OF HT FEEDER TRANSFORMER AND ALLIED WORKS AT DOMESTIC AREA AT AF STATION HALWARA UNDER GE (AF) HALWARA

Amount

Disconnecting of HT and DC connections from existing bus bar, disconnecting trolley including servicing of complete parts of VCB 11 KV any type any make at site, cleaning with carbon tetra chloride, lubrication of mechanical parts, adjustment and calibration of complete Relays etc including checking parts, repair to control ring with single core conductor of existing size as required at site for VCB of any type, any make for satisfactory running including replacement of defective spare parts/items and applying one coat of 11 KV insulation paint on bus bar, spouts and other connected parts, re-assembling the same, re-connecting all HT & AC / DC connections to make it functional including testing on existing load complete all as specified and as directed.

Supply and fixing in replacement of closing coil 24 V, DC for VCB trolly of make & specificatins as existing at site as per latest standards after taking down existing coil complete all as specified and as directed.

Supply and fixing in replacement of shunt tripping coil 24 V, DC for VCB trolly of make & specificatins as existing at site after taking down existing coil complete all as specified and as directed.

Supply and fixing in replacement of IDMTL Relay CGI14N of make & specificatins as existing at site after taking down existing relay complete all as specified and as directed.

Supply and fixing in replacement of Aegis Relay Low setting & High set of make & specificatins as existing at site after taking down existing relay complete all as specified and as directed.

Supply and fixing in replacement of Jaw Contacts of make & specificatins as existing at site after taking down existing contacts complete all as specified and as directed.

Supply and fixing in replacement of Male fixed contact of make & specificatins as existing at site after taking down existing contacts complete all as specified and as directed.

Supply and fixing in replacement of VCB Bottles of make & specificatins as existing at site after taking down existing VCB bottles complete all as specified and as directed.

Supply and fixing in replacement of VCB mechanism complete with motor of make & specificatins as existing at site/latest available and capatible after taking down existing VCB mechanism with motor complete all as specified and as directed.

Supply and fixing in replacement of Epoxy Spout Bushings of make & specificatins as existing at site after taking down existing bushing complete all as specified and as directed.

Disconnecting of HT and DC connections from existing bus bar, disconnecting trolley including servicing of complete parts of HV Circuit breaker 66KV any type any make at site, cleaning with carbon tetra chloride, lubrication of mechanical parts, adjustment and calibration of complete Relays etc including checking parts, repair to control wring with single core conductor of existing size as required at site for VCB of any type, any make for satisfactory running including replacement of defective spare parts/items and applying one coat of 11 KV insulation paint on bus bar, spouts and other connected parts, re-assembling the same, re-connecting all HT & AC / DC connections to make it functional including testing on existing load complete all as specified and as directed. Note : (a) The firm doing the servicing work must provide detailed report on their letter head and must be as authorised firm to carryout work of such nature with minimum 5+ years of experience in the field. Certificate w.r.t carried out in other stations to be furnished by the work executing agency. (b) On receipt of request for service/calibration of equipments, the contractor must be able to start the work within one week, failure to this will impose a penality of Rs. 1000/- per day to the contractor.

Disconnecting of HT and DC connections from existing bus bar, disconnecting trolley including servicing of complete parts of HT CR Panel, cleaning with carbon tetra chloride, adjustment and calibration of complete Relays etc including checking parts, repair to control wring with single core conductor of existing size as required at site for HT CR Panel of any type, any make for satisfactory running including replacement of defective spare parts/ items re-assembling the same, re-connecting all HT & AC / DC connections reconnecting/ replacing all the ABB boot from the cable & reconnecting with the terminal after installing new boot on the cable terminal. Cost of boots deemed to be included in the quoted prices to make it functional including testing on existing load complete all as specified and as directed.

Disconnecting of HT and DC connections from existing bus bar and disconneting trolly including servicing of complete parts of RMU 3 way, cleaning with carbon tetra chloride, lubrication of mechanical parts, adjustment and calibration of complete relays etc including checking parts, repairs to control wiring with single core copper conductor of existing size as required at site for RMU 3 way, of any type, any make for satisfactory running including replacement of defective spare parts/ items and applying one coat of 11 KV insulation paint on bus bar, spouts and other connected parts/items, re-assembling the same, re-connecting all HT & AC/ DC connections reconnecting/ replacing all the ABB boot from the cable & reconnecting with the terminal after installing new boot on the cable terminal. Cost of boots deemed to be included in the quoted prices.to make it functional including tesing on existing load complete all as specified and as directed.

Supply and fixing of Control Wiring with 1.5 sqmm FRLS copper conductor for control circuits and 2.5 sqmm FRLS copper conductor for CT circuits as per existing diagram including provided cable ties, beading etc of VCB or RMU complete all as specified and directed.

Supply and fixing in replacement of Spring charging motor AC / DC of VCB trolley as per existing at site complete all as specified and directed.

Supply and fixing in replacement of spring charging gear assembly for VCB trolly of make & specifications as exist at site complete all as specified and as directed.

Supply and fixing in replacement of motor cut off for spring charging motor of VCB trolly of make & specifications as exist at site complete all as specified and as directed.

Supply and fixing in replacement of power pack with input 220-110V, AC and output 24V, DC for VCB trolly of make & specifications as existing at site after taking down power pack as exists at site complete all as specified and as directed.

Supply and fixing in replacement of plug & socket assembly for VCB trolly of make & specifications as existing at site after taking down plug as exists at site complete all as specified and as directed.

Supply and fixing in replacement of CT mounted in epoxy compound with dual ratio 100/50/5 Amps or 200/100/5 Amps with & including making connections with copper wire 2.5 Sqmm and beading, of make & specifications as exist at site for VCB complete all as specified and as directed.

Supply and fixing in replacement of electronic hooter of VCB complete all as specified and as directed.

Supply and fixing in replacement of HRC fuse base with HRC fuse 20A, 415V, 80 kA complete all as specified and as directed.

Supply and fixing in replacement of multifunctional meter for 11 KV VCB of make & specifications as existing at site complete all as specified and as directed.

Supply and fixing in replacement of indicator lamp as per existing colour code for 11 KV VCB/ RMU complete all as specified and as directed.

Supply and fixing in replacement of ZZ switch, trip circuit healthy of VCB complete all as specified and as directed.

Supply and fixing in replacement of air breaker contactor relay of VCB complete all as specified and as directed.

Supply and fixing in replacement of common alarm relay voltage range 24-30V, DC of VCB as existing at site complete all as specified and as directed.

Supply and fixing in replacement of microprocessor numerical relay of VCB as existing at site complete all as specified and as directed.

Supply and fixing in replacement of live cable LED indicators thru capacitor volage dividers mounted on the bushings assembly complete all as specified and as directed.

Supply and fixing in replacement of load break switch mechanism assembly (2PA Mechanisum w/o hex rod) having two position spring assisted, Integrated line earthing switch making capacity complete all as specified and as directed. Make : ABB Cat Part No. NHP101985R002 or equivalent as approved by GE as per site requirement.

Supply and fixing in replacement of isolator switch mechanism assembly having two position spring assisted, Integrated line earthing switch making capacity complete as per existing sample all as specified and as directed. Make : ABB Cat Part No. NHP101935R2 or equivalent as approved by GE as per site requirement.

Supply and fixing in replacement of master trip relay as existing complete all as specified and as directed.

Supply and filling of SF6 Gas of VCB cylinder (9 Kg/Cyl) complete all as specified and as directed. Make : ABB Cat Part No. S194-5600-103-17 or equivalent as approved by GE.

Dehydration and filteration of transformer oil by using dehyderation and filteration plant, heating and filteration of oil to be carried out till the di-electric strength not less than 45 KV withstand for one minute is achieved, for any capacity of transformer including testing of strength including draining out of oil and refilling of oil in the transformer complete all as specified and as directed . Note :- The contractor is required to submit the di-electric report after dehydration and filtration of each transformer before claiming payment.

Supplying, filling and pouring transformer oil, ISI marked, in sealed containers for Voltage stablizers and transformer, conforming to IS-335 with di-electric strength not less than 50 KV and testing for strength including recording results complete all as specified and as directed. Notes:- (i) Empty sealed container shall become Govt property & shall be taken on charge through RV. (ii) Transformer oil shall be as per IS. (iii) Purchase vouchers alongwith manufacturer's test certificate shall be produced at the time of payment.

Supply, fixing commissioning and testing of Three Phase Over current Earth fault relay (Numerical) ADR 241A-18-250vdc for outgoing 11KV VCBs complete all as specified and directed by Engr-in-Charge.

Supply, laying, jointing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts, earthed grade cross sectional area 120 sqmm 3 core (E) laid in trenches/ pipes/ ducts/ along poles/ walls/ equipment etc. including taking down the old cables complete all as specified and directed by Engr-in-Charge.

Supply, laying, jointing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts, earthed grade cross sectional area 240 sqmm 3 core (E) laid in trenches/ pipes/ ducts/ along poles/ walls/ equipment etc. including taking down the old cables complete all as specified and directed by Engr-in-Charge. Note for Item No. 41.00 & 42.00 :- Payment for excavation & earth work, sand cushioning, protection pipes, end termination joints and protection covers shall be made for separately.

Excavation in trenches in soft or loose soil, not exceeding 1.5 metre deep and not exceeding 1.5 metre wide and getting out complete all as specified and directed.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exc 25 cm thick in soft/loose soil complete all as specified and as directed.

Removing surplus excavated soil to a distance not exceeding 50 Mtr and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and as directed.

Material and labour for sand cushioning in trenches and well ramming in layers with 8 cm below and 15 cm above the cable with fine dry sand for cable protection and complete all as specified and directed. Note : Punned thickness shall be considered for payment.

Material and labour for precast concrete cable cover class HV type 1 flat size 300mmx 180mm and thickness 40mm ISI marked laid flat, dry and adjacent to each other, perpendicular to the central axis of the cable in trenches, complete all as specified and directed.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary T&P for passing of LT/HT cables complete all as specified and as directed.

Material and labour for feeder pillars box out door type made out of MS sheet (CRCA) of thickness not less than 3.15 mm, of size 150 x 65 x 90 cm with copper bus bar strip 3 Nos of size 100 cm in length, 4 cm in width and 6 mm in thickness suitable for 11000 volt grade mounted on HT porcelain insulator, front opening door having two leaf braced with hinged, mounted on 4 Nos angle iron 100 x 100 mm x 8 mm, 90 cm long duly welded with box and grouted in PCC 1:3:6 type C-1 using 20 mm graded mechnically crushed stone aggregates block of size 30 cm x 30 cm x 15 cm, top of box shall be of MS sheet duly bent in slope, tapper with projection of 20 mm on all side, weather / vermin proof with high quality of rubber beeding on panel door, cable entry arrangements at bottom includes earthing terminals 2 Nos at both side duly painted with red stove enamelled paint 2 coat over a primer coat after taking down/out feeder box as existing at site complete all as specified and as directed.

Cleaning and preparation of surfaces of existing feeder pillar box and applying two coats of synthetic enamel paint over a coat of red oxide primer including removal of paint by scratching complete all as specified and directed by Engr-in-Charge.

Supplying and fixing of shock treatment chart of flex printing for ready reference as a precaution to be used at the time of electric shock for the person working in the sub station for their safety as a first aid including with clear glass cover & wooden frame and fixing on wall complete all as specified and as directed.

Suppy and fixing in replacement of Cable bushing plate complete all as specified and as directed. Make : ABB Cat Part no. 1SNHP304737P1S1 or equivalent as approved by GE.

Suppy and fixing in replacement of Rishab complete all as specified and as directed. Make : ABB Cat Part no. Master 3430 or equivalent as approved by GE.

Material and labour for Danger Notice Plate of 1.6 mm thick of ACP Sheet, Vitreous enamelled white with letters, figures and conventional skull and bones in single red colour and fixed with MS clamp, bolts and nuts of approved size of HT 25 x 20 cm size complete all as specified and directed by Engr-in-Charge.

Material and labour for spreading crushed stone aggregate of 40 to 63mm in complete around yard area/ sub station/ transformers/ two pole/ four pole structure etc. after removing existing earth layer/ removing of all grass/ trees etc and levelling of complete surface of ground for spreading stone aggreagte all around of area complete all as specified and directed by Engr-in-Charge.

Material and labour for heat shrinkable straight through cable joint suitable for 11000 volts XLPE cable aluminium conductor of size 3 core 240 sqmm complete all as specified and as directed.

Material and labour for heat shrinkable straight through cable joint suitable for 11000 volts XLPE cable aluminium conductor of size 3 core 120 sqmm complete all as specified and as directed.

Material and labour for jointing and testing HT indoor type (heat shrinkable) cable end joint suitable for HT cable 11000 volts grade 240 Sqmm 3 core complete all as specified and as directed.

Material and labour for jointing and testing HT indoor type (heat shrinkable) cable end joint suitable for HT cable 11000 volts grade 120 Sqmm 3 core complete all as specified and as directed.

Material (Eqpts for testing) & Engineer for health check up/ testing of 5 MVA 66/11 KV transformer through PSPCL (Half yearly basis for 3 Nos 5 MVA Transformers 1 day/ one time testing) and test reports submitted to Engr-in-charge for kept in record. The following tests are conducted:- (i) Voltage ration and polarity test. (ii) Vector group test. (iii) No load lossTest & Magnetic current. (iv) Load loss Test & Impedence measurement (v) HVSSV Test. (vi) IOVT Test (Double Voltage Double frequency Test). (vii) Insulation Resistance & PI Value (Viii) Magnetic Balance Test (ix) Winding Resistance Measurement of HV & LV windings completet all as specified and directed.

Material (Eqpts for testing) & Engineer for health check up/testing of 66 KV Power grid at Main receiving station, Halwara as per procedure in vogue to include testing of earthing of power grid, serviceability of LAs, surge counters & suggest remedial measure/rectification if required complete (Half yearly basis 1 day/ one time testing) complete through PSPCL and test reports submitted to Engr-in-charge for kept in record completet all as specified and directed.

Material (Eqpts for testing) & Engineer for health check up/testing/calibration of Relays of 11 KV VCBs Incoming and outgoing, CR Panels 3 Nos incl calibration of complete relays & 66 Breakers calibration as per procegure in vouge in HALF YEARLY basis (02 times in a year 01 days/ testing) at Main receiving station Halwara complete through PSPCL and test reports submitted to Engr-in-charge for kept in record completet all as specified and directed.

R D Bansal (BID ID -3486927)

Raman Electric Trading Co (BID ID -3492363)

SWARN SINGH AND CO. (BID ID -3492637)