REPAIR MAINTENANCE OVERHAULING AND SERVICING OF EXTERNAL ELECTRIFICATION LT GADGETS INCLUDING TRANSFORMER OCBS APFC PANEL ETC AT KOLKATA AREA UNDER GE NORTH KOLKATA

Amount

Supply and Fix Panel heater for VCV HT panel including necessary fixing arrangement including taking out unserviceable one all as spedified and as directed. Make of HT panel:- ____________________

Material and Labour for reparing / replacement of locking arrangement of HT Panel including necessary fixing arrangement including taking out unserviceable one all as spedified and as directed. Make of HT panel:- ____________________

Repair / maintenance and servicing,refixing,commencing and testing of step down transformer 6.6 KV/433 Volt of capacity 200 KVA, comprising following work services :- (a) Disconnection carefully of cable end termination of HT & LT side. (b) Opening of top cover by removing nuts, bolts and all mounting accessories and conservator tanks. (c) Draining out transformer oil and keeping aside in barrel for re-use and then again pouring back after necessary filteration and dehydration including top up with new transformer oil to make up the reduced quantity. (d) Replacement of top and buttom Gaskets. (e) Servicing of tap changing gears by cleaning and polishing tapping contact points. (f) Labour only for Cleaning of bush and stud both HT/LT side and refixing the same with new cock sheet as required. (g) Replacing unserviceable stud and bush as required as directed by Engr-in-Charge. (h) Reconnection of all cable terminals HV & LV sides and refixing the top cover after replacement of gaskets, conservator tank in position. (j) Cleaning and heating of silica gel in breather and replenishing with new silica gel to make up the reduced quantity. (k) Connecting HT & LT side with existing incoming and outgoing cables including reconnection of earth strip/lead. Note: (i) Filteration and dehydration of transformer oil, topping up of New transformer oil shall be measured and paid separately., (ii) Spares like bushes and studs,New silica gel,New buchholz relay and M seal monoplast, etc required for replacement shall be measured and paid for as supply only separately. The labour element involved in replacing the spares shall be deemed to include in the unit rate quoted. (iii) The unit rate quoted shall include the cost of all other minor spares as required not mentioned hereinafter.

All as per item No 3 here-in -before but for 6.6 KV/433 Volts transformer of capacity 150 KVA. (Make: ECE)

All as per item No 3 here-in -before but for 11 KV/433 Volts transformer of capacity 250 KVA. (Make: VOLTAMP/MORRISON)

All as per item No 3 here-in-before but 11 KV/433 V for capacity of transformer 300 KVA. (Make:VOLTAMP)

All as per item No 3 here-in-before but 11 KV/433V for capacity of transformer 400 KVA. (Make:ALSTOM/AEG)

Supply only, bushing and stud complete with porcelain insulators for LT side (as per existing size/Model) for following capacity of transformer 400 KVA .(Make:Alstom/AEG)

All as per item No. 8 above but ,Transformer capacity 300 KVA. (Make: Voltamp)

All as per item No. 8 above but ,Transformer capacity 250 KVA. (Make: Voltamp)

All as per item No. 8 above but, Transformer capacity 200 KVA. (Make: Morrison)

All as per item No. 8 above but, Transformer capacity 150 KVA. (Make:ECE),

Supply only,, bushing and stud complete with porcelain insulator for HT side (as per existng size/Model) for following capacity of transforme , 400 KVA (Make:Alstom/AEG)r:-

All as per item No. 13 above but ,Transformer capacity 300 KVA (Make:Voltamp)

All as per item No.13 above but ,Transformer capacity 250 KVA (Make: Voltamp)

All as per item No.13 above but , Transformer capacity 200 KVA (Make:Morrison)

All as per item No. 13 above but , Transformer capacity 150 KVA (Make:ECE)

Supply and fixing in repair, transformer oil temperature gauge dial type range 0 to 100 deg C as per existing type and model all as directed.(Make:PRECIMEASURE/GURU)

Supply only Silica gel in existing breather assembly all as directed.

Supply and fixing, in repair, of Amp meter 0-30 A with HT all as directed.

Supply and fixing in repair, of HT CT of ratio 50/5 Amps all as spedified and as directed.

Repair/servicing of HT PT epoxy type including replacing of primary and secondary winding, replacement of PT bush-03 Nos and housing bush-03 Nos all as spedified and as directed.

Supply and fixinng, in repair, of triping coil 110/30 V DC all as spedified and as directed.

Supply and fixing in repair, of LT Epoxy Bush of 04 Nos.( three phase and one neutral) Spout (as per smaple) with all necessary connection complete for transformer of capacity 250KVA including replacing of primary and secondary winding complete all as spedified and as directed by Engr-in-Charge.

Filteration and dehydration of old transformer oil and removing of sludge by continuous circulation through transformer oil filtration plant with heater strips to achieve dielectric strength of not less than 50 KV at 2.5 mm gap of electrode as per IS-1866(1985) and improvement of acidity by minimizing percentage of acidity using chemical reagents all as spedified and as directed by the Engn-in-Charge.

Supply and top up transformer oil having di-electric strength not less than 50 KV at 2.5 mm gap after initial dehydration/filteration conforming to IS 335 and ISI marked to be brought at site in sealed container all as directed by the Engr-in-Charge. Make:- Castrol / Veedol / IOC / HPL.

Repair and servicing of 415 Volt, LT ACB of capacity 800 Amps of in existing panel including disconnecting all electric connection from main panel board , strip opening and replacing minor parts such as nuts bolts & washer etc including cleaning of all contact points with proper high quality of rust preventive spray etc reassembling the complete switch gear unit and testing all as specififed and directed Make:Crompton Greaves /L&T /Havell's

All as per item No. 27 above but for 415 V, ACB of capacity 630 Amp, all as directed.

Maintenance and servicing, testing and commisssioning, of 6.6 KV VCB of 800 Amp by opening out HT cable termination joints, checking and cleaning all the spares of VCB to avoid any chances of flashing / burning due to loose connection, replacement of all bolts, nuts & washers (if found damaged due to flashing) with new one (anodised) of existing size, testing and calibration of earth fault and over load relays complete after re-connection of all dismantled cables and again testing after re-charging the VCB complete all as specified and as directed. (Note:for Sl No:29 to 32:Servicing to be carried out by authorised service Engineer)

All asper item No.29,but for 6.6 KV, VCB of capacity 630 Amp all as directed. (Make:Schneider/Areva)

All asper item No.29, above but, for 6.6 KV, VCB of capacity 400 Amp all as directed. (Make:Schneider/Areva)

All asper item No.29 above, but for 12 KV, VCB of capacity 630 Amp all as directed. (Make:Crompton Greaves Ltd)

Supply only earthing discharge rod one all as spedified and as directed.

Supply and fix in replacement of old unserviceable off load changeover switches of capacity 630 A and 4 pole complete all as directed and specified. Make:Cat No:ICAS0630 of Indoasian or equivalent in Havells/ Legrand / L&T / C&S / Standard / HPL).

Servicing, commissioning and testing of HT panel including replacement of burnt out lugs, scraping the bus bar chamber with ewary paper, cleaning the bus bar panel with CTC, remove the burnt out electrical wiring and replacement of bolt, nuts, washer and new wiring for metering eqpt, phase sequence RYB with bus bar insulation tapes, heating with blower, reconnecting, testing and commissioning. Note:- Cost of Nuts, bolts, washers, insulation tapes, wiring & other connecting items shall be included in unit rate.

Servicing, commissioning and testing of LT panel including replacement of burnt out lugs, scraping the bus bar chamber with ewary paper, cleaning the bus bar panel with CTC, remove the burnt out electrical wiring and replacement of bolt, nuts, washer and new wiring for metering eqpt, phase sequence RYB with bus bar insulation tapes, heating with blower, reconnecting, testing and commissioning. Note:- Cost of Nuts, bolts, washers, insulation tapes, wiring & other connecting items shall be included in unit rate.

supply and fix , straight through heat shrink cable joint kit for LT UG cable of size 185/240 sqmm 3.5 core including excavatin of earth at undergruond cable fault position and making good surface at the fault position complete all as specified and as directed. Make- Raychem/ Mseal/ Denson.

supply and fix , straight through heat shrink cable joint kit for LT UG cable of size 95/120/150 sqmm 3.5 core including excavatin of earth at undergruond cable fault position and making good surface at the fault position complete all as specified and as directed Make- Raychem/ Mseal/ Denson.

supply and fix straight through heat shrink cable joint kit for LT UG cable of size 50/70 sqmm 3.5 core including excavatin of earth at undergruond cable fault position and making good surface at the fault position complete all as specified and as directed. Make- Raychem/ Mseal/ Denson.

Supply, Laying,connecting,testing and commissioning of XLPE insulated and PVC sheathed ,armoured heavy duty UG cable with stranded alluminium conductors 70 sqmm x 3.5core,1100 Volt grade, laid in trenches/wall/roof/pole/through pipe ,compleate all as specified and as directed including taking down old unserviceable one. . Make : Havells / Plaza / Polycab Note :- (i) Pipe and bricks for cable protection and sand cushioning shall be measured and paid separately as per site . Make:- MESCAB / KEI / HAVELLS / POLYCAB / RR KABEL / HPL / FINOLEX / NICCO / UNIVERSAL /

All as per srl item No-42 here-in-above, but for size 95 sqmm x 3.5core

All as per srl item No-42 here-in-above, but for size 120 sqmm x 3.5core

All as per srl item No-42 here-in-above, but for size 150 sqmm x 3.5core

All as per srl item No-42 here-in-above, but for size 185 sqmm x 3.5core

All as per srl item No-42 here-in-above, but for size 240 sqmm x 3.5core

Excavation in trenches not exceeding 1.5 m width or n exc 10 sqm on plan and n.exe 1.5 m in depth for taking out/laying of cable,foundation etc and getting out in soft/loose soil complete all as specified and as directed.

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

Removing surplus soil to a distance not exceeding 50 mtrs and depositing where directed including spreading, leveling at a level not exceeding 1.5 mtr from the starting point complete all as specified and as directed

Material and labour for sand cushioning with clean dry sand in trenches/filling in ducts for cable protection complete all as specified. Note:- Punned depth shall be measured and paid.

Supply and lay sub class 'B' bricks dry in trenches for cable protection, laid with its longitudinal axis perpendicular to the cable axis complete all as specified and as directed

Laying only serviciable brick obtained during execavation of trench

Supply and lay GI pipe 100 mm bore (dia) light grade in trenches/road crossing for protection of cable with necessary fittings as required complete all as specified and as directed.

All as per srl item No 54 here-in-above but for 80 mm bore

All as per srl item No 54 here-in-above but for 50 mm bore

Cutting hard standing / road upto 30cm wide and 30 cm depth with PCC 1:3:6 type C1 and matching with existing road for laying of cable / protection pipe complete all as specified and as directed.

Supplying, fixing, connection and testing MCCB, 4 pole, 100 Amp capacity, 16/18/25 KA rupturing capacity, AC 415 volts with fixed thermal and magnetic settings including taking down old unserviceable MCCB complete all as specified and directed.. (Make: Havells Cat part No­­ IHLGNF 0100 / L&TCat part No CM 9051800 KO / C&S Cat Part No- CSC2A4 100 / Hager Cat no HHA101Z / or equivalent in IndoasianT / HPL / Standard /

All as per item No.58 above but 200 Amp and rupturing capacity 25/35/40 KA. Make : Havells Cat Part No. IHLF200/ Indoasian / equivalent of L&T / C&S/ HPL/Standard/Hager

All as per item No.58 above but 400 Amp and rupturing capacity 35/40 KA. (Make: Havells cat no.IHLGHF0400 / INDOASIAN Cat part No­ 830176 / /or equivalent in Legrand/ C&S / Standard / L&T / HPL.

Materials & labour for earthing complete with galvanized earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth strip protected by and including 40mm dia GI pipe(light grade), alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth strip connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 5 of SSR part-1 and testing on completion including taking out old earthing complete.

Materials & labour for earthing complete with galvanized earth plate electrode 600 x 600 x 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below normal ground level ) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized earth lead wire 4.0 mm dia of by means of bolts, nuts, check nuts and washers of galvanized iron or steel, earth lead wire protected by and including 15mm dia GI pipe(light grade), alternate layers of charcoal and salt, including 20 mm bore GI tubing for watering to earth electrode, earth lead connected to test point/ distribution panel /feeder pillar etc as directed including necessary earth work, concrete pit with PCC (1:3:6) type C1, pre cast RCC(1:1:5:3) type A1 cover slab duly reinforced with 8 mm dia TMT bar 150mm c/c both way and two numbers lifting handle made of TMT bar and set in cement mortar (1:4), funnel, wire mesh, all as shown in electrical plate No 5 of SSR part-1 and testing on completion including taking out old earthing complete all as specified and as directed.

Supplying, fix in replacement,rubber/insulation mat 2.5mm thick insulated mat ISI 15652-2006 for 11 KV application along with suitable adhesive complete all as specified and directed..

Supply Electric grade rubber hand gloves, conformimg to IS, 11 kv duly tested and isi marked complete all as specified and directed..

Supplying, fix in replacement,chequer plate of 6mm thick for covering the duct of cable including cutting in required dimension duct complete all as specified and directed..

Supply and Fix LED Aviation light fitting for over Overhead Reservoir/ High mast pole with necessary fixing arrangement including taking out unserviceable one all as spedified and as directed. Make:- Bajaj / Havells/ Philips / L&T / HPL .

K.P Construction Co

S KUNDU AND CO

MS HORIZEN

MS JYOTI INDUSTRIES

INDIA ELECTRICAL EQUIPMENTS

JOY-EN-JOY

JOY RAM ENTERPRISE