Repair and maint of transformers/ CSS, dehydration and rationalization of transformer renewal of earthing and certain E/M works under GE (East) JRC.

Amount

M & L for detecting leakage from transformer complete by removing HT & LT supply connections, opening of top cover, decanning required quantity of oil and storing in suitable air tight container for reuse and make necessary electric connections and testing complete on site in existing location after removing leakage completely for transformer of capacity 63 to 160 KVA (at plinth/in CSS/at pole structure) complete. Note :- (i) The items replaced shall be measured under relevant items mentioned at Sr No 1.01 to 1.05. (ii) The said work shall has to be carried out at site, if contractor shifts/transport the same to workshop for repair due to non availability of labour at site. Nothing extra shall be admissible on account of this. Hence contractor shall quote his rate accordingly.

Supply and fixing in replacement only top cover cork gasket sheet 6mm thick min using suitable adhesive after removing & scraping old wornout gasket.

Supply and fixing in replacement only LT brass bushing rod with nuts and washer after removing old worn out bushing rod.

Supply and fixing in replacement only LT bushing rod gasket and oil seals.

Supply and fixing in replacement only HT brass bushing rod with nuts and washer after removing old worn out bushing rod.

Supply and fixing in replacement only HT bushing rod gasket and oil seals.

M & L for detecting leakage from transformer complete by removing HT & LT supply connections, opening of top cover, decanning required quantity of oil and storing in suitable air tight container for reuse and make necessary electric connections and testing complete on site in existing location after removing leakage completely for transformer of capacity 200 to 315 KVA (at plinth/in CSS/at pole structure) complete. Note :- (i) The items replaced shall be measured under relevant items mentioned at Sr No 2.01 to 2.05 (ii) The said work shall has to be carried out at site, if contractor shifts/transport the same to workshop for repair due to non availability of labour at site. Nothing extra shall be admissible on account of this. Hence contractor shall quote his rate accordingly

Supply and fixing in replacement only top cover cork gasket sheet 6mm thick min using suitable adhesive after removing & scraping old wornout gasket.

Supply and fixing in replacement only LT brass bushing rod with nuts and washer after removing old worn out bushing rod.

Supply and fixing in replacement only LT bushing rod gasket and oil seals.

Supply and fixing in replacement only HT brass bushing rod with nuts and washer after removing old worn out bushing rod.

Supply and fixing in replacement only HT bushing rod gasket and oil seals.

M & L for detecting leakage from transformer complete by removing HT & LT supply connections, opening of top cover, decanning required quantity of oil and storing in suitable air tight container for reuse and make necessary electric connections and testing complete on site in existing location after removing leakage completely for transformer of capacity 400 to 630 KVA (at plinth/in CSS/at pole structure) complete. Note :- (i) The items replaced shall be measured under relevant items mentioned at Sr No 3.01 to 3.05. (ii) The said work shall has to be carried out at site, if contractor shifts/transport the same to workshop for repair due to non availability of labour at site. Nothing extra shall be admissible on account of this. Hence contractor shall quote his rate accordingly.

Supply and fixing in replacement only top cover cork gasket sheet 6mm thick min using suitable adhesive after removing & scraping old wornout gasket.

Supply and fixing in replacement only LT brass bushing rod with nuts and washer after removing old worn out bushing rod.

Supply and fixing in replacement only LT bushing rod gasket and oil seals.

Supply and fixing in replacement only HT brass bushing rod with nuts and washer after removing old worn out bushing rod.

Supply and fixing in replacement only HT bushing rod gasket and oil seals.

Taking down carefully transformer of capacity 63 KVA to 160 KVA any type from platform 2 or 4 pole structure by disconnecting HT, LT & earthing connections, for transporting the same from site to workshop, testing and diagnosing of fault, opening the top cover, decanning of transformer oil , taking out core assembly after removing HT/LT side bushing connection and asses the damage. Replace the reqd unsv coil of healthy coil, replacement of insulating material, ovening in suitable furnace and refixing of reconditioning core assembly making all the connection for HT/LT side including connection of tap changer switch, refilling of dehydrated/ new transformer oiland the transformer for its efficient working. Transporting back the transformer from workshop to site and re-installed the transformer at its location, making all the connection HT/LT side including earth connection and testing and commissioning of transformer on load. QUOTED RATES INCLUDE THE FOLLOWING :- (a) Transportation of transformer from site to workshop and back to site after making necessaryrewinding. (b) Taking down and refixing of the transformer at site. (c) Any required T&P labour including crane & vehicle for shifting of transformer. (d) Contractor shall arrangr visit of Engr-in-charge for strip/winding inspection of transformer before and after making out repairs for joint assesment of involved repairs and testing of transformer at workshop.

All as per item No. 4 here-in-before but transformer of capacity 200 KVA to 315 KVA

All as per item No. 4 here-in-before but transformer of capacity 400 KVA to 630 KVA

Taking out the transformer of capacity 400 KVA any type from CSS/PSS with disconnection of HT and LT cable, bus bar, earth connections, unscrewing fasteners and by opening upper and side cover carefully of package/ compact substation and transporting the same from site to workshop, testing and diagnosing of fault, opening the top cover, decanning of transformer oil , taking out core assembly after removing HT/LT side bushing connection and asses the damage . Replace the reqd unsv coil of healthy coil ,replacement of insulating material,ovening in suitable furnace and refixing of reconditioning core assembly making all the connection for HT/LT side including connection of tap changer switch,refilling of dehydrated/new transformer oiland the transformer for its efficient working.Transporting back the transformer from workshop to site and re installed the transformer at its location, making all the connection HT/LT side including earth connection and testing and commissioning of transformer on load. QUOTED RATES INCLUDE THE FOLLOWING :- (a) Transportation of transformer from site to workshop and back to site after making necessaryrewinding. (b) Taking down and refixing of the transformer at site. (c) Any required T&P labour including crane & vehicle for shifting of transformer. (d) Contractor shall arrangr visit of Engr-in-charge for strip/winding inspection of transformer before and after making out repairs for joint assesment of involved repairs and testing of transformer at workshop.

Material and labour for rewinding of burnt/ over heated HT/ LT limbs of transformers 11 KV/ 433 volts, 3 phase of capacity 50 to 250 KVA by using double paper covered (DPC) insulation, cotton tape, superior quality insulated copper wire of suitable gauge, size, specification complete all as specified.

Material and labour for rewinding of burnt/ over heated HT/ LT limbs of transformers 11 KV/ 433 volts, 3 phase of capacity 315 to 630 KVA by using double paper covered (DPC) insulation, cotton tape, superior quality insulated copper wire of suitable gauge, size, specification complete all as specified. Note :- Srl item No 1.00 to 8.01 contractor shall have to got repaired transformer within 7 days after intimation. Any delay beyond this, a penalty of Rs 5000/- per day will be levied.

S & F aluminium P G Clamp of transformer installed at site of capacity 50 to 315 KVA of 11/0.433 KV of size 4 to 6 inch complete all as specified and directed.

Dehydration and filteration of existing transformer oil using transformer oil filteration plant/ machine to eliminate moisture and foreign particles till improved di-electric strength of oil upto 60 KV (minimum) at a 2.5mm electrode gap retrieved and to bring the acidity within the permissible limit below 0.5 mg KOH/Cm for transformer of capacity 50 to 315 KVA all as specified and directed.

Dehydration and filteration of existing transformer oil using transformer oil filteration plant/ machine to eliminate moisture and foreign particles till improved di-electric strength of oil upto 60 KV (minimum) at a 2.5mm electrode gap retrieved and to bring the acidity within the permissible limit below 0.5 mg KOH/Cm for transformer of capacity 400 to 630 KVA & POWER TRANSFORMERS all as specified and directed.

Supply and filling of transformer oil in sealed containers which shall be property of department having di-electric strength 65 (minimum) at a electrode gap of 2.5mm upto the required level of transformer and testing of di-electric strength of oil in transformer before and after filling. (Transformer oil to be supplied in sealed container).

Material & labour for spray painting of transformers of capacity 50 KVA to 160 KVA of any type and at any location & make with two coats of synthetic enamel paint (smoke grey) after thoroughly cleaning of dust, scale, grease, dirt and other foreign material and removing of existing paint and preparation of surfaces including writing of capacity and SM No./ MES No. on transformers complete all as specified and directed.

Material & labour for spray painting of transformers of capacity 200 KVA to 400 KVA of any type and at any location & make with two coats of synthetic enamel paint (smoke grey) after thoroughly cleaning of dust, scale, grease, dirt and other foreign material and removing of existing paint and preparation of surfaces including writing of capacity and SM No./ MES No. on transformers complete all as specified and directed.

Material & labour for spray painting of transformers of capacity 500 KVA to 630 KVA of any type and at any location & make with two coats of synthetic enamel paint (smoke grey) after thoroughly cleaning of dust, scale, grease, dirt and other foreign material and removing of existing paint and preparation of surfaces including writing of capacity and SM No./ MES No. on transformers complete all as specified and directed.

Material & labour for spray painting of transformers of capacity 8MVA of any type and at any location & make with two coats of synthetic enamel paint (colour as approved by deptt) after thoroughly cleaning of dust, scale, grease, dirt and other foreign material and removing of existing paint and preparation of surfaces complete all as specified and directed.

Supply and fixing transformer oil temperature gauge (double needle) 0 - 100 graduated. Analogue dial type, suitable for transformer of capacity 50 KVA to 500 KVA suitable as per existing make and type complete all as specified & directed by Engineer-in-Charge.

Supply & fixing breather assembly including silica gel (transparent type of 500gram capacity) for transformer of capacity 50 KVA to 200 KVA with silica gel filled complete all as specified & directed by Engineer-in-Charge.

Supply & fixing l breather assembly including silica gel (transparent type of 1 kg capacity) for transformer of capacity 250KVA to 500 KVA with silica gel filled complete all as specified & directed by Engineer-in-Charge.

Supply & fixing silica gel breather assembly including silica gel suitable for transformer 66 KV/ 11 KV of capacity 8000 KVA as per existing make and type complete all as specified & directed by Engineer-in-Charge.

Supply and filling of fresh and dry silica gel inside the breather pocket and fixing properly with transformer including painting the outer surface of the breather assembly

Supply & replacement of defective tap changer switch assembly complete with tapping arrangement suitable to steping up/ down from ±7.5% range in step of 2.5% voltage on HT side suitable for transformer 11 KV/ 433 volts, 3 phase of capacity including making connections and testing commissioning 160-500 KVA complete all as specified & directed by Engineer-in-charge.

Supply, fixing and testing after jointing Cable Jointing Kit for 11 KV earthed grade cable for outdoor type termination cold shrinkable joint complete with jointing material and accessories suitable for XLPE armoured aluminum cable of size 240-300 sqmm 3 core.

Supply, fixing and testing after jointing Cable Jointing Kit for 11 KV earthed grade cable for indoor type termination cold shrinkable joint complete with jointing material and accessories suitable for XLPE armoured aluminum cable of size 240-300 sqmm 3 core.

Supply, fixing and testing after jointing Cable Jointing Kit for 11 KV earthed grade cable for outdoor type termination cold shrinkable joint complete with jointing material and accessories suitable for XLPE armoured aluminum cable of size 120 sqmm to 185 Sqmm 3 core.

Supply, fixing and testing after jointing Cable Jointing Kit for 11 KV earthed grade cable for indoor type termination cold shrinkable joint complete with jointing material and accessories suitable for XLPE armoured aluminum cable of size 120 sqmm to 185 Sqmm 3 core.

Supply, fixing and testing after jointing Cable Jointing Kit for 11 KV earthed grade cable for outdoor type termination cold shrinkable joint complete with jointing material and accessories suitable for XLPE armoured aluminum cable of size 95 sqmm 3 core.

Material and labour for clearing of cable trench all as per satisfaction of engr in charge and sand filling in a layer of 25 mm thick, over cable in open trench at indoor sub stations complete all as specified and directed. Note:- Only sand quantity will be cosidered for payment purpose.

Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick buried directly in ground vertically at a depth not less than 2.25 metres below normal ground level with top edge of the plate at a depth not less than 1.5 metres below normal ground level, connected with and including GI strip 32mm x 6mm upto test point and incl Aluminium strip 25x3.15mm from test point to equipment and including GI pipe 40mm bore light grade as protection pipe (from top of earth plate up to the test point) by means of GI bolts, nuts, check nuts and washers of GI and thimbles, earth plate surrounded by packed layers of charcoal dust and common salt 15cm thick, all around including top and bottom and watering pipe 20mm bore of GI pipe light grade with funnel and wire mesh, PCC chamber of size 300x300x300mm (top of chamber minimum 15 cm above the normal ground level (1:3:6) using 20mm graded stone aggregate and RCC cover (1:2:4) type B-I using 20mm graded crushed stone aggregate with 1 nos MS handles of 8mm dia including necessary excavation/ earth work in any type of soil/rock and as shown in Electrical plate No. 3 of SSR Part-I (2009) testing on completion complete all as specified.

Cleaning and preparation of old painted surface of 2 pole structure and painting with one coat of aluminium paint to all steel structure such as channel/brackets, bracing, clamps, anti climbing device, cross arms and marking 30 cm high alternate yellow & black strips with synthetic enamelled paint upto 1.5 mtr height and writing feeder detail and complete all as specified and directed.

Supply and fixing in replacement of galvanised pipe light grade of ISI marked 100 mm bore for passing of cable fixed to poles/walls/lay under floor complete with and including fittings as required compete all as specified and directed by Engr-in-charge.

All as per item No. 28 here-in-before but of size150mm.

Supply and fixing Danger notice plate for HT of 25 cm x 20 cm x 1.6 mm thick mild steel sheet vitreous enameled white, with letters figures and conventional skull and bones and written as "DANGER" in signal red colour and fixed with MS clamps made out of MS flat 25 mm x 3mm , including nuts & bolts, including 2 coats of aluminium paint over a coat of red oxide primer all as specified. (Letters shall be written in English, Hindi and Punjabi)

Supply and fixing Pin type polymer insulator having creepage distance of 320mm (min) & other size as per standard incl one galvanised mild steel spindle two galvanised iron washer and one galvanised iron nuts 150 mm height, 150 mm dia for 11000 volts grade. Make Jaipuria/ Rashtriya

Supply and fixing HT Lightning Arrestor Metal Oxide Type (Gap less) heavy duty single pole suitable for system voltage of 12 KV and working rated arrestor voltage 9 KV with normal discharge current of 10 KA all as per IEC 99.4 effectively earthed complete all as specified and directed. Make Jaipuria/ Rashtriya/ Oblum

Supply, laying, jointing and testing under ground XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 volts grade earthed system of size 95 sqmm 3 core conforming to IS-7098 (Part-II) 1985 laid in trenches, in floor, in duct, through pipes or along the pole including taking out unserviceable HT cable complete all as specified and directed.

Supply, laying, jointing and testing XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured electric power cable (heavy duty) with stranded aluminium conductor, 11000 volts grade earthed system of size 120 Sqmm 3 core conforming to IS-7098 (Part-II) 1985 laid in trenches, in floor, in duct, through pipes or along the pole including taking out unserviceable HT overhead conductor complete all as specified and directed

Shifting of retrieved serviceable cable in any length recd complete collecting from store to reqd site and Relaying of 11 KV HT Cable off size carefully at diff route in trench including connecting to existing/new system incl testing, commissioning complete all as specified and directed by Engineer-in-Charge. Note:- The excavation and related civil wk will be measured and paid separately.

Taking down/ out HT cable off sizes from trench & pole including disconnecting all electrical connections and depositing serviceable cable in MES store yard for Re-use at other site in entire cantt area and removing unserviceable cable from site to take credit. Note:- The excavation and related civil wk will be measured and paid separately.

Excavation in trenches in soft/loose soil not exceeding 1.50 mtr wide and not exceeding 1.50 mtr in depth for laying of cables and getting out complete all as specified and directed by Engineer-in-Charge.

Returing, filling in, including spreading, leveling watering and well ramming inlayers not exceeding 25 cms thick each layer compete all as specified and directed by Engineer-in-Charge.

Removal of surplus 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 directed by Engr-in-charge.

Material and labour for sand cushioning with a layer of sand 8cm thick before laying of cable and 15 cm thick after laying of cable and punned down to thicknes of 18cm in trenches complete all as specified.(Note: Punned thickness of 18 cm will be measured)

Supply & laying un-reinforced precast concrete cable cover, class HVP, type I, flat, size 300mm x 180mm x 40mm laid flat in trenches over the cable with the length of brick perpendicular to the direction of cable length, adjacent/abutting each other complete all as specified and directed by Engineer-in-charge.

Relaying of existing retrieved bricks/PCC cover within 500mtr laid in trenches for cable protection perpendicular to the direction of cable length, adjacent abutting each other complete all as specified and directed.

M&L for testing of earth pit with earth resistance tester and submission of result to deptt including cleaning of earth pit inner side and 2 mtr all around on all side and leveling, whitewash of pit of size as directed by engineer in charge. The rate quoted include cost of any type of testing equipment, T&P reqd at site.

M&L in replacement for MS angle/ flat and frame along the edges of cable ducts inside of sub stations grouted in PCC (1:3:6)/ fixed with screw by drilling holes duly painted with two coats of synthetic enamel paint (as directed) over a coat of red oxide primer fixed in replacement complete all as specified and directed

M & L for mild steel chequered plate 5 mm thick or over in thickness in available sizes of grade Fe-290 (Gde-E-165) cutting, finishing of edges and put up the same on cable ducts complete as per width of duct and painting with enamelled paint including taking out to all existing broken RCC duct cover including preparing surface and painting with two coat of black paint all as specified and directed

Supply & Fix 40mm dia gun metal gate valves with iron wheel head screwed at both ends for drain out transformer oil complete including dismantling of old unserviceable gate valve from existing transformer at any location complete all as specified and as directed.

Supply & Fix 25mm dia gun metal gate valves with iron wheel head screwed at both ends for drain out transformer oil complete including dismantling of old unserviceable gate valve from existing transformer at any location complete all as specified and as directed.

S & F 25 mm x 3 mm aluminum strip as earth continuity conductor including from test point to equipement complete all as speicified & directed by Engineer-in-charge.

S & F 32 mm x 6 mm GI strip as earth continuity conductor including from test point to equipement complete all as speicified & directed by Engineer-in-charge.

M&L for replacing control and protection wiring of Package/ compact sub station 400KVA having VCB & RMU and LT/ APFC panel by replacing wiring using FRLS PVC insulated copper wire of size 1.5/2.5Sqmm for functioning of VCB & RMU relay, Buccholz relay, WTI, OTI complete for detecting fault in DC supply and replacing with new upto 30 Mtr, 2 core length incl replacing reqd CT, PT connections complete all as specified and directed. Note:- The work shall be carried out by qualified Engineer only.

Supply & fix new MS Cross arms, bracing, supports, clamps, anti climbing device and back plates fabricated from structural steel section including nuts, bolts, washers with reqd mech working/ process i.e. cutting, welding, bending, cold or hot, drilling holes, grinding or bolt in any shape or size including 2 coats of aluminium paint over one coat of red oxide including taking out unserviceable complete all as specified and directed by Engineer-in-charge. Note :- Unexposed surface shall be given one coat of primer only.

M&L for alternative arrangement by hiring, transportation of transformer of capacity 500 / 630 KVA in place of unserviceable transformer on hire basis for 10 days including, installation, connecting and testing of transformer and return back after installation of repaired transformer complete all as specified and directed. Note:- (i) Contractor must arrange hired transformer including transportation and installation at site immediately after receipt of verbal/telephonic/written complaint from JE/Engr-in-Charge within 1 day. Any delay beyond 1 day post receipt of complaint shall be penalized @ Rs 3500/- per day and shall be recovered from next due RAR. (ii) Repairing of transformer must be completed within 10 days after receipt of verbal/ telephonic/ written complaint from JE/Engr-in-Charge. In case of any delay, no extra claim will be entertained towards hiring charges beyond 10 days and the contractor shall not be allowed to shift the hired transformer until replaced by repaired transformer. In case of any kind of fault / defect occurred in hired transformer, the contractor shall have to arrange further replacement without any additional cost and shall repair the defect from his own expenses. (iii) Contractor should check the available infrastructure and to be sure regarding safety of hired transformer before installation. The rate quoted is deemed to be including transportation cost, earthing lead etc. Note:- Arrangement of transfomer and restoration of power supply should be done within 06 hrs from intimation further delayed in restoration after that will be charged Rs 500/- per hour to the contractor.

M & L for boring hole under the road / pavement / hard standing of any width with the help of trenchless technology using ultra sound technique and necessary machine and including HDPE pipe 150 mm of size not less than one metre below ground level complete all as specified & directed by Engineer-in-charge.

M&L for sample collection from MRS 66/11KV and testing of 8 MVA 66/11 KV transformer oil testing from Power Grid CORPORATION OF INDIAL LTD , GT ROAD, KARTARPUR, PUNJAB and submission of test reports to Engr in charge complete all as specifiedand directed. The following test shall be conducted :- (a) OST+ DGA water content (PPM) test. (b) BDV test. (c) Interfacial Tension Test. (d) Sludge Content test. (e) Flash point test. (f) Dissolved gas analysis test. (g) Total acidity mg KOH/gram.

Supplying and fix in replacement switch Air break Gang Operated air break Switch assembly (polymer insulators) outdoor type HT 11 KV triple pole, 200 Amps, vertical mounting type with fixed contacts and moving contacts of phosphorus bronze with mechnically operated from ground level with polymer insulator on steel frame incl suitable length GI pipe 25mm dia bore(medium grade) with handle and locking arrangment with 9 Nos polymer inuslators complete including taking out old unserviceable GO DO Switch all as specified and directed by Engineer-in-charge and (clamps/cross arms shall be measured and paid for separately). Make: Jaipuria/ Rashtriya/Atlas Switchgear/Pactil. Note:- Contractor shall provide test certificate and certificate of material genuineness from manufactuer.

Supplying and fix in replacement drop out fuse assembly with polymer insulator on steel frame, 11KV grade suitable for 200 Amps GO switch and all as specified and directed by Engineer-in-charge and (clamps/cross arms shall be measured and paid for separately). Make: Jaipuria/ Rashtriya/Atlas Switchgear/Pactil.

Material & labour for plinth size is of 3000x2500x1200mm or higher size suitable for transformer of 200 to 500 KVA including working space complete with full brickwork and surface excavation uptp 550mm below normal ground level,PCC 1:5:10 of 100mm thick for brickwork, brickwork in double brick upto 300mm height and full brick work upto 1300mm height. The inside of plinth/platform should be filled with soil filling upto 800mm height above normal ground level,300mm thick PCC 1:5:10 and thereafter PCC of 1:2:4 for platform .Plaster all around complete with any type of civil work ,earth work reqd.The plinth/platform should have brick steps on one side for approach to top of platform.The plinth/platform should have have XPM jali upto 900mm height all around on top of platform fixed with MS angle of of size 50x50x6mm fixed/grouted in PCC complete with any type of painting work reqd all as specified and directed from 2/4 pole structure/plinth/store.

Material & labour for shifting of serviceable transformer by disconnecting HT/LT connections of any capacity at any location to other site within cantt area upto 5km distance and make proper HT/LT connection all as specified and directed. Note:- Quoted rate includes the cost of any T&P and any machinery involved.

Material and labour for construction of earth pit with MS frame, suitable PCC cover, provn of funnel with wire mesh as per SSR-2009 Part I incl of dissembling of old earth pit and white wash to the new earth pit.

Kaul Enterprises