Repair and maint of power/ distribution transformer and other related works under GE (W) Jabalpur

Amount

Basic Rate : Refer Schedule'A' Notes

Supply and laying or fixing or passing in trenches/ on pole/ through pipes, 1100 volts grade XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with stranded aluminium conductor of cross section area 185sqmm, 3.5 core including jointing materials such as cable glands & lugs etc after taking out the old unserviceable cable and testing on completion complete all as directed. Make:- Havells or Finolex or Gloster or Plaza or Universal as approved by GE.

Supply and laying or fixing or passing in trenches/ on pole/ through pipes, 11000 volts grade XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor of cross section area 95 sqmm, 3 core after taking out the old unserviceable XLPE/ PILCA cable and testing on completion complete all as directed. Make:- Havells or Finolex or Gloster or Plaza or Universal as approved by GE.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95sqmm to 120sqmm and testing on completion complete all as directed. Make:- M SEAL or RAYCHEM or DENSON or CAB SEAL as approved by GE.

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 95sqmm to 120sqmm and testing on completion complete all as directed. Make:- M SEAL or RAYCHEM or DENSON or CAB SEAL as approved by GE.

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 50sqmm to 95sqmm and testing on completion complete all as directed. Make:- M SEAL or RAYCHEM or DENSON or CAB SEAL as approved by GE.

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 120sqmm to 185sqmm and testing on completion complete all as directed. Make:- M SEAL or RAYCHEM or DENSON or CAB SEAL as approved by GE.

Relaying or refixing or repassing in trenches/ on poles/ through pipes after taking out/ taking down the existing HT 11000 volts grade PILCA/ XLPE insulated, screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor of cross section area 95/120 sqmm, 3 core from trenches/ poles/ pipes and testing on completion complete all as directed. Notes:- (i) Excavation and earth work, sand cushioning and cable covers/ brick protection shall be measured and paid seprately under respective items. (ii) Joints shall be measured and paid seprately under respective items. (iii) Taking out/ taking down shall be done only after disconnecting all the connections of the cable from over head lines and panels.

M&L for earthing in replacement complete with galvansided steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised iron strip 32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 40mm bore GI pipe medium grade including necessary fittings for protection of earthing strip, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm) 8 mesh per linear incl 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS deformed bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth strip alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI strip and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

M&L for earthing in replacement complete with galvansided steel earth plate electrode 600x600x6.0mm thick directly burried in the ground (earth pit not less than 2.25M deep below ground level) with top edge of earth plate not less than 1.50M deep below normal ground level, connected to galvanised iron wire 4mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel, 15mm bore GI pipe medium grade including necessary fittings for protection of earthing wire, watering pipe 20mm bore GI medium grade, concrete chamber in PCC (1:4:8) type D-2 using 40 mm grade aggregate, coping shall be in PCC (1:3:6) type C-1 using 20 mm grade aggregate and internal surfaces of concrete chamber shall be given 12mm thick plaster in CM (1:4), funnel with wire gauge of 22 gauge (0.63 mm) 8 mesh per linear incl 50mm thick cover of RCC (1:2:4) type B-1 using 20mm grade stone aggregate reinforced with 8mm MS deformed bar @ 75 mm C/C both ways, char coal dust and common salt all as shown in electrical plate No. 3 of SSR Part-I (2009) including all necessary excavation & earth work and removal of surplus soil to a distance n. exc 50M and providing connection points with MS/ GI bolts & washers as required and connection from earth test point to earth electrode with same GI earth wire alongwith protection pipe and testing on completion complete all as specified and directed. Note:- GI wire and protection pipe from earth electrode to test point max upto 7.50M shall be deemed to be included in the unit rates as quoted by the contractor.

Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth for foundation, for laying of pipe, cable etc or n. exc.10 Sqm on plan and n. exc. 1.5m in depth for shafts, cesspits, manholes, pier holes, etc and getting out in any type of soil complete all as specified and directed.

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

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point including spreading complete all as specified and directed.

Supply and spreading clean and dry fine sand free from sharp materials (unwashed) laying in trenches around the cable for cushioning in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable covers, Class HVP type1 with peak, size 300 mm x 180 mm x 40 mm, complete all as specified and as directed.

Supply and laying Sub Class 'B' old size bricks laid in trenchs as cable cover all as specified and as directed.

Supplying and fixing/ laying of 80mm bore dia GI pipe light grade in trenches/ under roads/ along pole/ wall including all fittings, ISI marked as required for cable protection etc after taking out the old unserviceable pipe complete all as specified and directed.

Drilling (Horizontally) to existing road (maximum 10M wide) suitable for passing GI tubing of dia upto 80mm/ 100mm as required at site complete all as specified and directed. Note:- All necessary T&P required at site for drilling shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

Supply, fixing and stretching of new aluminum conductor, steel reinforced on LT poles including copper binding wires or aluminium tape after taking out the old unserviceable aluminium conductor of any size complete all as specified and directed.

M&L for cross arms, bracing, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminum paint after taking out the old unserviceable cross arms, bracing, supports etc of any section complete all as specified and dircted.

Supply and fixing of new pin type porcelain, vitreous, white/ brown/ green insulator 150mm high and 150mm dia including one galvanised mils steel spindle, two galvanised iron washers and one galvanised iron nut, suitable for HT 11000 volts after taking out the old unserviceable insulator complete all as specified and directed.

Supply and fixing of new disc type insulator, porcelain, vitreous white/ brown/ green 145mm high and 225mm dia ball & socket type single disc assembly for tension with GI tension clamps for conductors for working pressure of 11000 volts after taking out the old unserviceable insulator complete all as specified and directed.

M&L for new lightning arrestor expulsion type complete with all fittings, transmision/ distribution class 65 KA, conforming to IS-3070 (Part-III) 1993 suitable for 11 KV system and mounting on poles including all necessary bolts, nuts and washers and making electric connection after taking out the old unserviceable lightning arrestor and testing on completion complete all as specified and directed. Make:- SCHNENIDER or BHEL or GE POWER or W/S INSULATORS or SOUTHERN INSULATORS as approved by GE.

Routine and periodical cleaning of inside area of 11 KV Sub Stations including cutting and removal/ uprouting of unwanted grass/ bushes, small trees near all around sub station and pump houses complex complete including surface dressing and leveling by surface excavation and removal of debris to out side MD land wherever as required or as directed.

Labour only for re-straining of existing ACSR/ GI conductors of any size on existing insulators of HT/ LT poles with and including new aluminium binding wire or tape and new GI binding wire complete all as specified and as directed. Notes:- (i) One length shall be measured and paid for complete span of 4 to 6 numbers of conductors including GI wire. (ii) One span shall be considered from one pole to another pole or from one fixing point to another fixing point as per site conditions. (iii) All necessary T&P required at site for re-straining of existing ACSR/ GI conductors shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

Labour only for cleaning of LT/HT lines up to 4.0M all around from outer conductor by trimming of tree branches any numbers of any girth exist at site/ ground complete all as specified and as directed. Notes:- (i) One span shall be considered from one pole to another pole or from one fixing point to another fixing point as per site conditions. (ii) All necessary T&P required at site for cleaning of LT/HT lines shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

M&L for painting of alternate black & white strips to steel tubular poles/ rail poles of HT/ LT of over head lines with and including synthetic enamelled paint, total 05 Nos each strips on each pole, each strip having 0.15M height total up to 1.50M above from PCC coping and aluminium painting on all mild steel clamps, cross arm etc on poles with and including premium quality aluminium paint after necessary preparation of all surfaces of poles & fixures and fittings complete all as specified and as directed. Note:- All necessary T&P required at site for painting shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

M&L for painting of alternate black & white strips to two pole structure consisting of two steel tubular poles/ rail poles of HT/ LT of over head lines with and including synthetic enamelled paint, total 05 Nos each strips on each pole, each strip having 0.15M height total up to 1.50M above from PCC coping and aluminium painting on all mild steel clamps, cross arm etc on poles with and including premium quality aluminium paint after necessary preparation of all surfaces of poles & fixures and fittings complete all as specified and as directed. Note:- All necessary T&P required at site for painting shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

M&L for painting of alternate black & white strips to four pole structure consisting of four steel tubular poles/ rail poles of HT/ LT of over head lines with and including synthetic enamelled paint, total 05 Nos each strips on each pole, each strip having 0.15M height total up to 1.50M above from PCC coping and aluminium painting on all mild steel clamps, cross arm etc on poles with and including premium quality aluminium paint after necessary preparation of all surfaces of poles & fixures and fittings complete all as specified and as directed. Note:- All necessary T&P required at site for painting shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

Providing the cable fault locating machine with all necessary tool and plants at work site for locating the exact pin point of fault along with the exact length of armourd 6.6/11 KV XLPE/ PILCA insulated HT cable complete all as specified and as directed. Note:- Cable fault locating machine along with all necessary T&P as required shall be arranged by contractor within very short notice as when asked by GE without fail and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

(A) Disconnecting and taking down of faulty/ defective copper wound POWER TRANSFORMER of capacity 1600-3150KVA, ratio 33/11 KV from HR sub station/ Ridge Road Sub Station in Jabalpur cantt and transporting the POWER TRANSFORMER to workshop for complete overhauling/ repairing & servicing as specified in sub Para (B) here- in- after and transporting back the POWER TRANSFORMER from workshop to its existing location after complete overhauling/ repairing & servicing including loading & unloading of POWER TRANSFORMER in to the truck with the help of skilled labours and re-installation of POWER TRANSFORMER at its existing position with the help of chain pullies & skilled labours and making all necessary incoming & outgoing connections and tightening of all connection nuts, bolts, screws etc including following testing at 33 KV before installation and commissioning at site complete all as specified & directed :- (a) Insulation Resistance Test (By 5000 V Megger) (b) Ratio Test (c) Double Voltage & Double Frequency Test (d) Transformer Oil Value BDV Test (e) Tap Changing Test of load for all tap position Notes:- (i) POWER TRANSFORMER shall only be got repair from authorised work shop of Manufacturers of transformer or any other workshop which have been authorised by MPEB for repairing of transformer of such type & capacities and GE will approve the workshop in writing before shifting the POWER TRANSFORMER for repairing. (ii) Contractor will submit the certificate of authorised work shop along with RAR's and final bill dully verified and signed by Engr-in-Charge. (iii) Cost of cable jointing materials such as cable glands & lugs etc as required shall be deemed to be included in quoted rate and nothing extra shall be paid on this account. (iv) All necessary T&P required at site for shifting of POWER TRANSFORMER shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

(B) M&L for opening the top cover of defective copper wound POWER TRANSFORMER of capacity 1600-3150KVA, ratio 33/11 KV for complete overhauling/ repairing & servicing in folllowing manner:- (a) Taking out the transformer oil from POWER TRANSFORMER and store the same into seperate barrel container . (b) Taking out the core/ coil assembly of POWER TRANSFORMER. (c ) Cleaning of POWER TRANSFORMER inside by using transformer oil. (d) Re-fixing the core/ coils after complete repair/ replacement of core/ coils in POWER TRANSFORMER including heating up of POWER TRANSFORMER core assembly to remove complete moisture. (e) Replacement of HV/ LV spindles and bushings etc. as per existing make/ as per manufacturer's recommendations duly approved by GE complete all as specified & directed. (f) Re-filling of the removed POWER TRANSFORMER oil after filtration/ centrifusing. (g) Re-fixing of the POWER TRANSFORMER top cover with and including new rubberized gasket set and nuts, bolts and washers for top cover as per existing make/ as per manufacturer's recommendations duly approved by GE and tightening of all nuts, bolts, screws & gasket etc (h) Checking of all electrical and mechanical components at workshop after making the POWER TRANSFORMER fully fuctional. (j) All other parts/ items/ components of POWER TRANSFORMER which are necessary to be replace in the opinion of Engr-in-Charge/ as per manuacturer's recommendations for smooth functioning of POWER TRANSFORMER, same shall also be replace for smooth functioning and cost of the same shall also be deemed to be included in the unit rate quoted by the contractor.

(A) Disconnecting and taking down of faulty/ defective alumunium/ copper wound TRANSFORMERS of capacity upto 750KVA, ratio 11/0.433 or 0.415 KV from 2/4 pole structure or Sub Station in Jabalpur cantt and transporting the TRANSFORMERS to workshop for complete overhauling/ repairing & servicing as specified in sub Para (B) here- in - after and transporting back the TRANSFORMERS from workshop to its existing location after complete overhauling/ repairing & servicing including loading & unloading of TRANSFORMERS in to the truck with the help of skilled labours and re-installation of TRANSFORMERS at its existing position with the help of chain pullies & skilled labours and making all necessary incoming & outgoing connections and tightening of all connection nuts, bolts, screws etc including following testing before installation and commissioning at site complete all as specified & directed:- (a) Insulation Resistance Test (b) Ratio Test (c) Double Voltage & Double Frequency Test (d) Transformer Oil Value BDV Test (e) Tap Changing Test of load for all tap position Notes:- (i) TRANSFORMERS shall only be got repair from authorised work shop of Manufacturers of transformer or any other workshop which have been authorised by MPEB for repairing of transformer of such type & capacities and GE will approve the workshop in writing before shifting the TRANSFORMERS for repairing. (ii) Contractor will submit the certificate of authorised work shop along with RAR's and final bill dully verified and signed by Engr-in-Charge. (iii) Cost of cable jointing materials such as cable glands & lugs etc as required shall be deemed to be included in quoted rate and nothing extra shall be paid on this account. (iv) All necessary T&P required at site for shifting of TRANSFORMERS shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

(B) M&L for opening the top cover of defective aluminium/ copper wound TRANSFORMERS of capacity upto 750KVA, ratio 11/0.433 or 0.415 KV for complete overhauling/ repairing & servicing in folllowing manner:- (a) Taking out the transformer oil from TRANSFORMERS and store the same into seperate barrel container. (b) Taking out the core/ coil assembly of TRANSFORMERS. (c ) Cleaning of TRANSFORMERS inside by using transformer oil. (d) Re-fixing the core/ coils after complete repair/ replacement of core/ coils or re-fixing of re-conditioned core/ coils in TRANSFORMERS including heating up of TRANSFORMERS core assembly to remove complete moisture. (e) Replacement the HV/ LV spindles and bushings etc. complete all as directed by Engineer-in-Charge. (f) Re-filling of the removed TRANSFORMERS oil after filtration/ centrifusing. (g) Re-fixing of the TRANSFORMERS top cover with and including new rubberized gasket set and nuts, bolts and washers for top cover as per existing make/ as per manufacturer's recommendations duly approved by GE and tightening of all nuts, bolts, screws & gasket etc (h) Checking of all electrical and mechanical components at workshop after making the TRANSFORMERS fully fuctional. (j) All other parts/ items/ components of TRANSFORMERS which are necessary to be replace in the opinion of Engr-in-Charge/ as per manuacturer's recommendations for smooth functioning of TRANSFORMERS, same shall also be replace for smooth functioning and cost of the same shall also be deemed to be included in the unit rate quoted by the contractor.

Material and labour for LV leg coils of copper conductor for POWER TRANSFORMER of capacity 1600-3150KVA, ratio 33/11 KV complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 31.00 here-in-before complete all as specified & directed.

Material and labour for HV leg coils of copper conductor for POWER TRANSFORMER of capacity 1600-3150KVA, ratio 33/11 KV complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 31.00 here-in-before complete all as specified & directed.

Re-conditioning of LV leg coils of aluminium/ copper conductor for TRANSFORMERS of capacity upto 750KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 32.00 here-in-before complete all as specified & directed. (Note:- Reconditioning of LV leg coils shall be done if only insulation found damaged and conductor strip is intact i.e. not deformed/ damageed. This item involves all turns of leg coil to be reconditioned, removing complete insulation from conductor strip, cleaning of conductor, wrapping of conductor with fresh DPC insulation and remaking of LV leg coils with reconditioned strip complete all as directed by Engineer-in- Charge.

Re-conditioning of HV leg coils of aluminium/ copper conductor for TRANSFORMERS of capacity upto 750KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 32.00 here-in-before complete all as specified & directed. (Note:- Reconditioning of LV leg coils shall be done if only insulation found damaged and conductor strip is intact i.e. not deformed/ damageed. This item involves all turns of leg coil to be reconditioned, removing complete insulation from conductor strip, cleaning of conductor, wrapping of conductor with fresh DPC insulation and remaking of LV leg coils with reconditioned strip complete all as directed by Engineer-in- Charge.

Supply and fixing of new rubberized gasket set and nuts, bolts and washers for top cover, LT terminal box and replacement of LV/ HV spindles & bushings if found unserviceable etc as per existing make/ as per manufacturer's recommendations duly approved by GE suitable for indoor/ outdoor TRANSFORMERS of capacity up to 750 KVA to stop the leakage after opening the top cover and taking out and re-filling the transformer oil after filtration/ centrifusing of oil as required in various sub stations under GE (W) Jabalpur complete all as specified and directed. Notes:- (i) HV/ LV spindles and bushings shall be measured and paid seprately under respective items of BOQ as supply only. (ii) Filtration/ centrifusing of usable transformer oil including filter action by using automatic centrifusing machine shall be measured and paid seprately under respective item of BOQ. (iii) Topping of TRANSFORMERS with new transformer oil if required and same shall be measured and paid seprately under respective item of BOQ.

Material and labour for LV leg coils of aluminium conductor for TRANSFORMERS of capacity upto 750KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 32.00 here-in-before complete all as specified & directed.

Material and labour for LV leg coils of copper conductor for TRANSFORMERS of capacity upto 750KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 32.00 here-in-before complete all as specified & directed.

Material and labour for HV leg coils of aluminium conductor for TRANSFORMERS of capacity upto 750KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 32.00 here-in-before complete all as specified & directed.

Material and labour for HV leg coils of copper conductor for TRANSFORMERS of capacity upto 750KVA complete with insulation, varnishing by vaccum impregnation and baking of coil assembly in oven, etc to be fixed under item No. 32.00 here-in-before complete all as specified & directed.

Supply only HV bushing 11 KV as per existing make/ as per manufacturer's recommendations duly approved by GE for transformers of capacity upto 750KVA to be fixed under item Nos. 32.00 & 37.00 here-in-before complete all as specified & directed.

Supply only LV bushing 0.433/ 0.415 KV as per existing make/ as per manufacturer's recommendations duly approved by GE for transformers of capacity upto 750KVA to be fixed under item Nos. 32.00 & 37.00 here-in-before complete all as specified & directed.

Supply only HV spindle (metal part) made out of brass with nuts and washers as per existing make/ as per manufacturer's recommendations duly approved by GE for transformers of capacity upto 750KVA to be fixed under item Nos. 32.00 & 37.00 here-in-before complete all as specified & directed.

Supply only LV spindle (metal part) made out of brass with nuts and washers as per existing make/ as per manufacturer's recommendations duly approved by GE for transformers of capacity upto 750KVA to be fixed under item Nos. 32.00 & 37.00 here-in-before complete all as specified & directed.

Supply, filling and topping up of indoor/ outdoor TRANSFORMERS of any capacity in various sub stations under GE (W) Jabalpur with new transformer oil, low viscosity type of dielectric strength 35 to 40 KV breaking voltage, conforming to relevant IS complete all as specified and directed. Make:- Savita or Power Oil as approved by GE.

Supply and filling of silica gel as per existing make/ as per manufacturer's recommendations duly approved by GE suitable for indoor/ outdoor TRANSFORMERS up to 750 KVA in various sub stations under GE (W) Jabalpur complete all as specified and directed.

Supply and fixing of silica gel breather (transparent type) with silica gel as per existing make/ as per manufacturer's recommendations duly approved by GE suitable for indoor/ outdoor TRANSFORMERS up to 750 KVA in various sub stations under GE (W) Jabalpur complete all as specified and directed.

Supply and fixing of dial type thermo meter of minimum 100mm dia with maximum temperature indicator as per existing make/ as per manufacturer's recommendations duly approved by GE suitable for indoor/ outdoor TRANSFORMERS up to 750 KVA in various sub stations under GE (W) Jabalpur complete all as specified and directed. Make:- Semco or Osmadial or Remax or Systems as approved by GE.

M&L for centrifusing (filteration/ dehydration) of TRANSFORMER oil including filter action by using automatic centrifusing machine including all necessary arrangement for electric supply for operation of machine to achieve minimum 35 to 50KV breaking capacity at 4mm gap by absorbing and abolishing of all sludge particles and making the oil useable as per BS-B 66-1983, to be used under item Nos. 31.00, 32.00 & 37.00 here-in-before complete all as specified & directed.

Supply and fixing of tap changer switch complete with handle in repairs including replacement of unserviceable parts such as bakelite sheet, connecting rod with nuts, bolts and washers, HV lead duly taped, provision of glass sleeve of required size & length as per existing make/ as per manufacturer's recommendations duly approved by GE suitable for indoor/ outdoor TRANSFORMERS of capacity up to 750 KVA including necessary welding works complete all as specified and directed.

Disconnecting and taking down of faulty/ defective alumunium/ copper wound TRANSFORMERS of capacity upto 750KVA, ratio 11/0.433 or 0.415 KV from 2/4 pole structure in Jabalpur cantt with the help of chain pullies & skilled labours for repair at site and re-installation of TRANSFORMERS at its existing position with the help of chain pullies & skilled labours and making all necessary incoming & outgoing connections and tightening of all connection nuts, bolts, screws etc after repairing work complete all as specified & directed. Notes:- All necessary T&P required at site for taking down and re-installation of TRANSFORMERS shall be arranged by contractor at his own cost and quoted rate shall be deemed to be included for all these provisions and nothing extra shall be paid on this account.

M&L for cleaning/ prepration of complete external surfaces of POWER TRANSFORMER of capacity 1600-3150KVA, ratio 33/11 KV for painting with two coats of synthetic enamel paint of colour/ shed as approved by GE including writing letters or figures (Block, Roman, Italic or Indian) with and including thick enamel paint of approved colour/ shed not exc 5cm in height for SM/ MES No. etc of tranformer complete all as specified and directed.

M&L for cleaning/ prepration of complete external surfaces of DISTRIBUTION TRANSFORMER of capacity upto 750 KVA for painting with two coats of synthetic enamel paint of colour/ shed as approved by GE including writing letters or figures (Block, Roman, Italic or Indian) with and including thick enamel paint of approved colour/ shed not exc 5cm in height for SM/ MES No. etc of tranformer complete all as specified and directed.

Schedule of credit amount of Rs. 5,62,400.00 to be deducted during AOC

RAVINDRA ELECTRICAL

RAINA SALES AND SERVICES