REPAIR/MAINTANENCE OF EXTERNAL LT / HT SUPPLY, LT PANEL , PAINTING OF HT/LT POLES AND ITS ASSOCIATED WORKS AT ENTIRE COD CHHEOKI AND DAD NEW CANTT AREA UNDER GE(WEST) PRAYAGRAJ

Amount

Dismantling & taking out LT burnt cable ends of any size from transformer/LT panel/LT feeder pillar/ street light pole box/trenches any type/size, for repair/making suitable for reconnection to cable, providing lugs to burnt end of cables, preparing fresh terminals and reconnection, fixing the removed portion of cable with transformer/in trenches/along pole/ panel/feeder pillar box, including excavation of loop & refilling complete using old bricks and sand returning filling the excavated soil complete all as specified and directed.

M&L for dismantling of old damaged /cracked PCC coping and prepare the new coping for steel/PCC pole using PCC 1:3:6 type D-2 with 20 mm graded stone aggregate making collar above ground level on existing foundation of pole size 450x450x300 mm high and plastering with1:4 cement sand mixter for smooth look including curing to achieve the strength and breaking/removing existing old damaged coping complete all as specified and directed .

Repair of earth pit including required excavation ,earth work and PCC work to make good damaged /disturbed surfaces of earth pit chamber & making new pit cover of RCC 1:2:4 type B1 using 20 mm graded stone aggregate reinforced and lifting handle on RCC cover with 8 mm bars at 150 mm centre to centre both ways incl supply & fixing of wire mess and funnel including re-connection of earth wire/strip with panel/transformer using GI nut, bolts washer complete all as specified and directed

Checking, identifying the defect /faulty point of LT cable using Cable fault locator machine or by manual excavation and taking out bricks from the trench upto fault point along cable route and re-laying the same using old bricks/sand including returning filling and making good surface after rectification of defect from o to 150 mtr length of cable complete all as specified & directed. Note- (i) Cable fault locator machine with all T&P required for identifying the faulty point will be arrange by contractor and the cost is included in unit rate for finding of fault using machine or by manually.

Checking, identifying the defect /faulty point of LT cable using Cable fault locator machine or by manual excavation and taking out bricks from the trench upto fault point along cable route and re-laying the same using old bricks/sand including returning filling and making good surface after rectification of defect from 150 to 200 mtr length of cable complete all as specified & directed. Note- (i) Cable fault locator machine with all T&P required for identifying the faulty point will be arrange by contractor and the cost is included in unit rate for finding of fault using machine or by manually.

Dismantling & taking out defective LT PVC/XLPE cable from trenches with cutting and removing defective parts and supply & making cable joint of size 25 Sqmm 3.5 core to 70 Sqmm, 3.5 core using straight through joint Hot shrink type and making connection of LT cables, meggering & restoration of electric supply complete including jointing material complete all as specified & directed.

Dismantling & taking out defective LT PVC/XLPE cable from trenches with cutting and removing defective parts and supply & making cable joint of size 95 Sqmm 3.5 core to 240 Sqmm 3.5 core using straight through joint Hot shrink type and making connection of LT cables, meggering & restoration of electric supply complete including jointing material complete all as specified & directed.

Cutting/ trimming of tree branches along /around over head LT line at places within a radius of 2 mtr from fasted conductor and removing from site complete all as specified and directed

Trimming / cutting of tree / removal of bushes/ removal of vegetation growth/ cutting trunk portion protruding over ground, digging out roots around 2 mtr radius of LT panel and removal from site all as directed Note : this job may be repeated after three month at the same location.

M & L for preparation of old painted surfaces of poles except embedded portion of pole in ground and concrete, by scraping complete & apply two coats of aluminium paint over a coat of red oxide on Steel tubular LT pole of 9/11 mtr long straight /single/double swan neck, two pole structure, four pole structure including cross arms and clamps and making colour band with synthetic enamel paint of approved colour up to 1.2 mtr from coping level including numbering of poles in red colour paint complete all as specified and directed. ( Note :- Two pole structure measured as two single pole and four pole measured as four single pole )

M & L for spray painting of old/existing out door LT panel/feeder pillar box any size/type( with powder coated paint using light grey paint in outerside area of complete panel after cleaning and preparing surface including sign writing & writing of panel No complete all as specified & directed

Disconnecting of OH line of ACSR conductor/GI earthing wire, opening of binding wires, jumper connections any size and restringing, tightening of conductor with suitable line vice, replacing all worn out jumper connection with suitable conductor, re-tightening and straightening all cross arms, insulators, clamps etc including replacement of all worn out nut bolts and washers complete all as specified and directed. Note:- Each conductor shall be measured separately.

Supply, installation, commissioning & testing of LT distribution panel board made out of 2 mm thick MS sheet of size not less than 700x450x300mm duly painted with two coats of synthetic enamelled paint over a coat of red oxide primer wall mounted/semi-grouted in wall with locking arrangement, double door type, compartmentalised and provision for tapping incoming & outgoing electric connections with suitable size of lugs, glands, one MCCB will be mounted on proper din rails and comprising of the followings : (a) Aluminium busbar chamber TPN of 200 amps rating (set of 4 strips) (b) Phase indication lamp-set of 3 (c) MCCB 4 pole 415 Volts, 50 Hz, 100 amps rating, 25 KA breaking capacity - 01 No.(Incoming ) (d) MCB TPN 63 A -2 No and MCB SPN 32 A -3Nos as outgoing control

S&F in replacement, the following items in the existing out door/ indoor LT panels and connection with using aluminium lugs/ferrules including disconnection & connection of cable and making necessary alteration in panel/door using welding wk and cutting as required for proper fixing & connection complete all as specified and directed as below:-

MCCB 4 pole 63 amps rating, 25 KA breaking capacity, 415 Volt with microprocessor based

MCCB 4 pole100 amps rating, 25 KA breaking capacity with microprocessor based

MCCB 4 pole150/160 amps rating, 35 KA breaking capacity with microprocessor based

MCCB 4 pole 250 amps rating, 35 KA breaking capacity with microprocessor based

MCCB 4 pole 400 amps rating, 35 KA breaking capacity with microprocessor based

MCCB 4 pole 630 amps rating, 50 KA breaking capacity with microprocessor based

CTs of existing ratio and capacity fixed in LT panels and connect with ammeter

Indicator lamp, LED type incl 1.5 sqmm wire for connection to desired point of bus bar.

MCB TPN 100 amps, 'C' series, 415 volt complete all as specified and directed.

M&L for boring under road horizontally of size 50/80 mm bore of GI pipe for passing of cable in road in hard/soft/ loose soil complete all as specified and directed.

Disconnecting & dismantling of damaged/unsv cable any type /make and Supply & laying cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor using lugs both end of cable& wrapping pvc tape over XLPE insulation cable and testing complete all as directed for following size :- (Note :- Excavation & earth work, sand cushioning, bricks protection & GI pipe where required shall be measured & paid separately)

16 Sqmm 2 core

25 Sqmm 4 core

35 Sqmm 4 core

50 Sqmm 3.5 core

70 Sqmm 3.5 core

95 Sqmm 3.5 core

120 Sqmm 3.5 core

185 Sqmm 3.5 core

400 Sqmm 3.5 core

Excavation in trenches not exc 1.5 Mtr wide and n.exc 1.5 mtr in depth, getting out for laying electric cable complete in any type of soil complete all as specified & directed.

Removing surplus excavated soil to a distance n.exc 50 mtr and depositing where directed at a level n. exc 1.5 mtr above starting point complete all as specified & directed.

Returning, filling in, soil obtained from excavation including spreading, levelling, watering and well ramming in layers n.exc 25cm thick complete all as specified & directed.

Supply and laying sub class 'B' bricks laid dry and flat across the length of cable for protection of cable complete all as specified and directed.

M & L for sand cushioning with Ganga Sand to underground cable (8 cm thick before laying and 15 cm thick after laying the cable complete all as specified & directed. Note:- Punned thickness of sand shall be measured for payment.

M&L in replacement for GI tubing 'light grade' of 50 mm dia with all necessary fittings laid in trenches/under road crossing/fixed on pole/wall/under floor including suitable mild steel FI clamps complete all as specified & directed.

M&L in replacement for GI tubing 'light grade' of 80 mm dia with all necessary fittings laid in trenches/under road crossing/fixed on pole/wall/under floor including suitable mild steel FI clamps complete all as specified & directed.

M & L in replacement for factory made busbar chamber box of 1.6 mm sheet with tinned plated 04 Nos suitable for copper bars of rating 100 amps mounted on pole / wall including all connections with aluminum strips/lugs, glands to be provided at cable entries, powder coated paint complete all as specified & directed.

M & L in replacement for factory made busbar chamber box of 1.6 mm sheet with tinned plated 04 Nos suitable for copper bars of rating 200 amps mounted on pole / wall including all connections with aluminum strips/lugs, glands to be provided at cable entries, powder coated paint complete all as specified & directed.

Dismantling & taking out old steel tubular pole 11 mtr long carefully from foundation for re-use, shifting and re-fixing/re-erecting at other location within New cantt area complete including following :- (a) Excavation in post hole not exceeding 1.5 Mtr wide & 2 Mtr deep for pole foundation & getting out in soft loose soil, returning, filling in the excavated soil after fixing the pole in foundation, ramming earth around in layers n.exc 25 cm thick and disposal of surplus soil to a distance n.exc 50 metres. (b) M&L for Providing PCC 1:4:8, type D2 ( using 40 mm graded stone aggregate) in foundation 600mm x 600mm x 1500 mm for concrete encasing the pole upto GL all as specified and directed. (c) M&L for Providing PCC 1:3:6, type C2 (using 20 mm graded stone aggregate) for plinth block /Collar above GL, 300 mm high and 450x450 mm size. (d) M&L for Painting of pole externally with one coats of black bituminous paint (upto planting depth) and above plinth block/ concrete collar with two coats of aluminium paint over a coat of red oxide primer including preparation of surfaces including painting of 30 cm wide black bands 3 Nos with synthetic enamel paint in alternate layers upto the height of 1.5 Mtr above plinth block.

S&F in replacement steel tubular electric pole SP-31, swaged type, welded 9 metre long single complete with CI base plate, bolts, nuts & screws all as specified including the following:- (a) Excavation in post hole not exceeding 1.5 Mtr wide & 2 Mtr deep for pole foundation & getting out in soft loose soil, returning, filling in the excavated soil after fixing the pole in foundation, ramming earth around in layers n.exc 25 cm thick and disposal of surplus soil to a distance n.exc 50 metres. (b) M&L for Providing PCC 1:4:8, type D2 (using 40 mm graded stone aggregate) in foundation 600mm x 600mm x 1500 mm (planting depth) for concrete encasing the pole upto GL (c) M&L for Providing PCC 1:3:6, type C2 (using 20 mm graded stone aggregate) for plinth block /Collar above GL, 300 mm high and 450 mm dia (d) M&L for painting of pole externally with one coats of black bituminous paint (upto planting depth) and above plinth block/ concrete collar with two coats of aluminium paint over a coat of red oxide primer including preparation of surfaces including painting of 30 cm wide black bands 3 Nos with synthetic enamel paint in alternate layers upto the height of 1.5 Mtr above plinth block.

S&F MCCB 4 pole, 63 Amp rating, 25 KA breaking capacity with both side spreader for cable connection , 415 volts with suitable size of sheel metal enclosure and connection with using aluminum lugs and making arrangement to fix on wall or on PCC 1:2 :4 block complete all as specified and directed.

S&F MCCB 4 pole, 100 Amp rating, 25 KA breaking capacity with both side spreader for cable connection, 415 volts with suitable size of sheel metal enclosure and connection with using aluminum lugs and making arrangement to fix on wall or on PCC 1:2 :4 block complete all as specified and directed.

Repairing /overhauling of existing outdoor type LT panel board/feeder pillar box of any size/type fixed on PCC block including cleaning with compressed air, tightening of all electric connection to the bus bar & switch gears, refixing of loosed doors with proper fixing & locking arrangement & necessary welding work as required and replacement of worn out/ burnt/rusted/ loose lugs, door lock, nut bolt, hinge, washers, internal wiring with suitable size (minimum 1.5 sqmm) of PVC copper conductor wire, repair to PCC work as require at site and including disconnection of all cable from the bus bar and insulating the naked portion of aluminium conductor and re-connect the same after repair of panel and proper connection of main earth wire/ lead with panel body using lugs complete all as specified and directed.

Repairing /overhauling of existing indoor type LT panel board/feeder pillar box of any size/type fixed on PCC block including cleaning with compressed air, tightening of all electric connection to the bus bar & switch gears, refixing of loosed doors with proper fixing & locking arrangement & necessary welding work as required and replacement of worn out/ burnt/rusted/ loose lugs, door lock, nut bolt, hinge, washers, internal wiring with suitable size (minimum 1.5 Sqmm) of PVC copper conductor wire, repair to PCC work as require at site and including disconnection of all cable from the bus bar and insulating the naked portion of aluminium conductor and re-connect the same after repair of panel and proper connection of main earth wire/ lead with panel body using lugs complete all as specified and directed.

Repairing/ overhauling of existing indoor type LT panel board/ bus bar / V-TPN DBs of any size/type fixed on building wall incl cleaning with compressed air, tightening of all electric connection to the bus bar & switch gears , refixing of loosed doors with proper fixing & locking arrangement & necessary welding work as required and replacement of worn-out/ burnt/rusted/ loose lugs , door lock, nut bolt, hinge, washers, internal wiring with suitable size (minimum 1.5 sqmm) of PVC copper conductor wire, repair to plaster work as require at site and including disconnection of all cable/ sub main from the bus bar and insulating the naked portion of aluminium conductor and re-connect the same after repair of panel and proper connection of main earth wire/lead with panel body using lugs complete all as specified and directed.

M& L for preparing door of existing LT panel / feeder pillar box with locking arrangement & gasketed made of CRCA sheet 2 mm thick including hinge & welding work complete all as specified and directed.

M & L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick directly buried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of earth plate not less than 1.5m below the ground level connected to GI earth wire 4mm dia by means of bolts nuts check nuts and washers of galvanised iron at 2 points & GI pipe 15 mm bore light grade for protection of earthing wire PCC chamber 1:3:6 (type C-1) using 20mm graded stone aggregate, watering pipe 20mm bore light grade, funnel with wire mesh, 50 mm thick cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8 mm MS bars at 150 mm centre to centre both ways and charcoal dust and common salt all as shown in electrical plate No. 3 of MES SSR part-I and including excavation & earth work & connecting the earthing point/equipment and testing including disconnecting the old unused earthing complete all specified and directed.

M & L for earthing with Galvanised steel earth plate 600 mm x 600 mm x 6.00mm thick buried directly in ground vertically in pit of depth not less than 2.25 mtr below normal ground level with top edge of the earth plate not less than 2.25 mtr below normal ground level connected to continious (without joint) GI strip 32 mm x 6 mm as earthing lead by means of bolts, nuts, check nuts and washers of brass including gun metal or phosphorous bronze test point of size 75 x75 x 25 mm drilled and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screw all as specified including excavation and earth work and disposal of surplus soil including 40 mm bore GI tubing light grade and necessary fitting for protection of GI strip including laying of charcoal, dust and common salt PCC (1:2:4) type B-I (using 20 mm graded crushed stone aggregate) earth pit with 40 mm x 40 mm x 6mm mild steel angle iron frame ,40 mm thick pre- cast RCC cover (1:2:4) type B-1 ( using 20 mm graded crushed stone aggregate ) reinforced with 8mm diaTMT bar @ 75mm c/c both way with mild steel handle 12 mm dia round bar ,15 mm thick plastering in cement mortar (1:4) internally and upto 150mm below ground level externally, funnel with wire mesh 20mm dia medium grade GI pipe for watering complete all as shown on electrical plate No.3 of SSR Part- 1(2009) and connected in earth test including testing complete including disconnecting the old unused earthing complete all specified and directed. NOTE :- (i) The rates quoted shall also deemed to include the cost of Earth test point and earth strip and protection pipe upto 7.5 metre beyond the earth plates electrode and the earth resistance of the whole system shall be as near as possible to 0 but shall not in any case exceed one ohm. (ii) Any joints in earth lead from earth electrode to test point shall not be allowed / permitted.

All as per item No. 55 above but using 600x600x3.15 mm copper plate including 20x3 mm copper strip (Strip will be protected by using 40mm bore GI pipe 'light grade) complete including disconnecting the old unused earthing complete all specified and directed. NOTE :- (i) The rates quoted shall also deemed to include the cost of Earth test point and earth strip and protection pipe upto 7.5 metre beyond the earth plates electrode and the earth resistance of the whole system shall be as near as possible to 0 but shall not in any case exceed one ohm. (ii) Any joints in earth lead from earth electrode to test point shall not be allowed / permitted.

S & F in replacement, connecting to electrical system & testing of LT Panel, cubical types, for out door use, made out of 3.15 mm thick CRCA sheet factory made, totally enclosed of size not less than 1200x900x500mm & supported with 4 Nos MS Angle legs , duly painted with two coats of powder coated paint over one coat of red oxide primer effectively PVC gasket &sealed and mounted on PCC blocks double door type with locking arrangement with handle at front and open able at front &back both side with required hinges heavy duty, compartmentalised suitably including provision for tapping incoming & outgoing electric connections with suitable size of aluminium lugs glands and comprising of the following accessories :- (a) High conductivity aluminium busbar (Set of 4 strips), 4 Nos TPN of 600 amps rating (RYB) for phase and 1 No for neutral mounted on DMC support with heat shrink sleeve-1 Set. , (b) Phase indication lamp, LED type (set of 3) (c) MCCB 4 Pole 400 Amp 415 volt ,36 KA breaking capacity as incomer (d) Grouting of panel including earth work as required PCC (1:3:6) type D-2 using 20 mm graded stone & plastering with (1:4 )cement sand etc complete (e) MCCB 4 Pole 250 Amp 415 volt ,36 KA breaking capacity with spreader both side, as outgoing control device : 02 Nos. (f) MCCB 4 pole 100 Amp 415 volt rating & breaking capacity 25 KA with spreader at both side. : 4 Nos.

S&F (in replacement ) Pin type , porcelain , vitreous, white, brown or green insulator including one galvanized mild steel spindle , two galvanized iron washers and one galvanized iron nut ,100mm height, 65mm dia for 1100 volts grade complete all as specified and directed.

S&F in replacement stay assembly complete with accessories as shown in electrical plate No.1 ( loop type insulator , stay clamps including plain cement concrete complete all as specified and directed. Note:- Earth work shall be measured separately.

M&L for checking all connections and mechanism, cleaning, servicing, overhauling, testing complete of 11 KV Vacuum Circuit Breakers of any make, indoor type, installed at sub-stations building as mentioned below:-(a) Arrangement of Monthly inspection of HT expert for 04 Nos VCBs of ABB/Crompton make to inspect all connections of control wiring of safety relays & relay setting , availability of proper DC supply and AC supply, proper earthing , function of operating mechanism, incoming and outgoing connections and tightening them, cleaning the contacts and terminal with CTC solution and using the blower for dusting, including replacement of faulty control fuses, faulty wiring & faulty indication lamps & testing complete for satisfactory operation , inspecting for safety measures, raising and lowering mechanism complete all as specified & directed.(b) Calibration of relays (over current relay, earth fault Instantaneous relay setting) with help of secondary injection kit and proper setting , (c) Calibration of CTs 03 Nos of each VCB with the help of primary injection kit and testing kit for proper tripping system.(d) Replacement of minor/major parts if required for smooth functioning. NOTE:- (i) Cost of oil greas/CTC solution for lubrication of moving parts , replacement of control fuses ,LED indicator lamp, control wiring wire are deemed to be included in the unit rate and major parts required for replacement shall be measured and paid separately as supply only under relevant item of this schedule/BOQ(ii) All the instruments and T&P required for the above jobs shall be arranged by the contractor at site and cost of the same are deemed to be included in the above rates.(iii) The all above checking, inspection, installation & testing work shall be performed by authorised manufacturer HT expert / Engineer.

Supply only bushbar spout for trolly mechanism 11 KV VCB, complete all as specified & directed

Supply only charging gear for trolly mechanism 11 KV VCB, complete all as specified & directed

Supply only operating mechanism for breaker 11 KV VCB complete all as specified & directed

Supply only Teflon hexagonal interlocking bush 1o complete interlocking with strip complete all as specified & directed

Supply only on bush button complete all as specified & directed

Supply only OFF push button complete all as specified & directed

Supply only ON/OFF Indicator complete all as specified & directed

Supply only OFF load isolator with earth switch mechanism complete all as specified & directed

Supply only Z type lever of OFF push button complete all as specified & directed

Supply only Z type liner of ON push button complete all as specified & directed

Supply only trip coil only Y1 control volt 24 VDC complete all as specified & directed

Supply only close coil only Y2 control volt 24 VDC complete all as specified & directed

Supply only spring charging motor with gear 24 VDC complete all as specified & directed

Supply only standard spring charging motorised kit for V module complete all as specified & directed.

Disconnecting and taking down Outdoor type RMU of any make/type/capacity from site in New cantt area and transporting to other location & reinstallation after repairs including plinth and making all necessary incoming & outgoing connections and testing at 11 KV and complete all as specified and directed.

Disconnecting and taking down faulty / defective copper/Aluminium wound platform / pole mounted Indoor/ Outdoor type Distribution Transformer up to 630 KVA capacity ratio 11/0.415 KV any make from site in New cantt area and transporting to civil workshop at Naini industrial area for repairs & reinstallation after repairs and making all necessary incoming & outgoing connection and testing at 11 KV and complete all as specified.

Disconnection of all electric connection of damaged/ winding burn transformer of any make and capacity upto 315 KVA, cleaning, overhauling and carry out following maintenance work complete all as specified and directed. (a) Draining out of transformer oil into separate container/barrel, opening and lifting of top cover checking and tightening of all electrical connection including cleaning of transformer inside by used transformer oil. (b)Taking out the core / coil assembly of transformer (c)Cleaning of transformer inside by used transformer oil (d)Re-fixing the core/coil in transformer including heating up of transformer core assembly to remove moisture after carrying out the repair as required in respective items (e)Replacement the rubberised gasket set for top cover, spindles, HT / LT bushing etc. as required.(f) Refilling of the removed transformer oil after heating up for removal of moisture.(g) Re-fixing of the transformer top cover with nuts, bolts & washer and making all electric connections (h) Testing of transformer complete (ii) Distribution transformer shall be got repaired from authorised work shop of Manufacturers or any other works shop which have authorisation from UPPCL for repair of such capacity transformer. (iii) Following test shall be conducted before installation & commissioning on site. (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 off load for all tap position. Note -(i) All labour and testing costs are included in the quoted rate. In case of replacement of LV / HV bushing / spindles / rewinding of HV / LV coils / tap changer , Filtration / centrifuging of usable transformer oil etc will be paid separately under respective items.

Supply only HT bushing porcelain complete all as specified and directed.

Supply only LT bushing porcelain complete all as specified and directed.

Supply only HV bushing metal part made out of Gun metal rod nut bolts rubber washers complete all as specified and directed.

Supply only LV bushing metal part made out of Gun metal rod nut bolts rubber washers complete all as specified and directed.

Supply only Rubber seal of HT /LT spindle complete all as specified and directed.

Supply only Fresh transformer oil for topping up/ replacement (in repair Transformer) having dielectric strength 40 to 60 KV at 2.5mm gap complete all as specified and directed.

Supply only Silica Gel breather assembly with silica gel complete all as specified and directed.

Supply only HV/LV bushing oil seal complete all as specified and directed.

Supply only Tap changer switch as existing type and taping point complete all as specified and directed.

Supply only Star-Delta connection kit as existing type complete all as specified and directed.

S & F in replacement LV leg coils /HV leg coils copper conductor of existing gauge, insulation & No of turns for distribution transformer up to 315KVA capacity complete with insulation, varnishing by vacuum impregnation and baking of coil assembly in oven, including disconnection of tap changer , opening of cores required and refixing after coil replacement complete all as specified & directed.

S & F (in replacement) LV Leg Coils/HV Leg Coils copper conductor of existing gauge, insulation & No of turns for Distribution Transformer up to 630 KVA capacity complete with insulation, varnishing by vacuum impregnation and baking of coil assembly in oven , including disconnection of tap changer, opening of core, as required and refixing after coil replacement complete all as specified & directed.

Repairs / reconditioning of LV leg coil aluminium / copper for transformer of capacity up 630 KVA to be done only in case where only insulation is damaged and conductor strip is intact i.e. not deformed. This work will involve 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 for use in transformer under repairs complete all as directed.

Repairs / reconditioning of HV leg coil aluminium / copper for transformer of capacity up 630 KVA to be done only in case where only insulation is damaged and conductor strip is intact i.e. not deformed. This work will involve 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 for use in transformer under repairs complete all as directed.

M&L for on line Dehydration of HV/EHV grade transformer oil including filtration using automatic centrifuging machine minimum three cycles to achieve dielectric strength 40 to 60 KV breaking capacity at 2.5mm gap by absorbing and abolishing all sludge particles as per BS-66-1963 including topping up with new transformer oil as required complete all as specified & directed. Note- (i) Centrifuging Machine with all T&P & testing machine of oil required for dehydration shall be arrange by contractor. (ii) Oil required for topping up the transformer will be measured & paid separately

Taking out mechanism of outdoor VCB for checking all mechanical parts, dismantling and replacing defective parts (i.e. bush, bearing, spring, charging handle etc, checking and readjustment of all moving parts, springs, bearings, greasing all moving parts all as specified and directed. Note : (i) All the instruments, primary and secondary injection kit and T&P required for the above job shall be arranged by the contractor at site and cost of the deemed to be included in the above rate. (ii) All the test record shall be maintained and signed by the testing engineer, contractor and Engr-in-Charge. (iii) The above work shall be performed by HT expert/Engineer.

M&L for cable jointing kit for 11 KV cable for end termination heat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable Size 120 sqmm to 185 sqmm, Indoor type in repair complete all as specified and directed.

M&L for cable jointing kit for 11 KV cable for end termination heat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable Size 120 sqmm to 185 sqmm, outdoor type in repair complete all as specified and directed.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm including necessary excavation and returning filling work complete all as specified & directed.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm including necessary excavation and returning filling work complete all as specified & directed.

Supply & laying (in replacement) in trenches/through pipes/ducts or on poles Cross linked polyethylene insulated (XLPE) armoured cable of size 95 sqmm 3 ½ core with aluminium conductor complete all as specified & directed

Supply & laying (in replacement) in trenches/through pipes/ducts or on poles Cross linked polyethylene insulated (XLPE) armoured cable of size 120 sqmm 3 ½ core with aluminium conductor complete all as specified & directed

Supply & laying (in replacement) in trenches/through pipes/ducts or on poles Cross linked polyethylene insulated (XLPE) armoured cable of size 150 sqmm 3 ½ core with aluminium conductor complete all as specified & directed

Supply & laying (in replacement) in trenches/through pipes/ducts or on poles Cross linked polyethylene insulated (XLPE) armoured cable of size 240 sqmm 3 ½ core with aluminium conductor complete all as specified & directed

Taking out and repairing/overhauling of 11 KV air break gang operated switch triple pole, mechanically operated mounted on insulators and steel frame installed vertically / horizontally, repairing defective copper strap, knife rod, movable post, insulator 200 amps capacity, ON/OFF handle, replacement of broken/worn-out components, oiling and greasing of mechanical moving parts, smoothing and polishing of electric contacts with providing conducting jelly of contacts refixed the same after repair complete all as directed Note:- Worn-out component/ insulators shall be measured and paid separately under respective item.

Supply only female contact or fixed contact heavy duty and high conductive metal complete capacity 200 amp, 11 KV complete all as specified & directed

Supply only male contact or Moving contact heavy duty and high conductive metal complete capacity 200 amp, 11 KV complete all as specified & directed

Supply only tinned copper flexible jumper 200A/400A complete all as specified & directed.

Supply only Post insulator complete all as specified & directed.

Repairs to tap changer switch 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 including necessary welding works for transformer of capacity upto 630 KVA complete all as specified and directed.

Opening the top cover (in case of replacement of HT/LT spindle and bushing for arresting leakage) and taking out transformer oil into separate container/barrel as required and S&F rubberised synthetic gasket/packing for top cover, LT terminal box, LV / HV bushings, spindles etc suitable for transformer of rating upto 630 KVA all as specified and directed. Note:- In case replacement bushing / spindle will be paid as supply only.

M&L for painting of transformer of capacity upto 630 KVA, outside portion only with one coat with spray painting with synthetic enamel paint after preparation of surface neat and clean for painting including numbering SM/MES No. with white paint complete all as specified and directed

M&L for testing of earthing of body & neutral earth of transformers and writing the result on wall of transformer platform with black paint over white background painting surface including shutdown of transformer & disconnection of neutral & body earth and connecting the same after testing complete all as specified and directed. Note : (i) All Earth test will be carried out in presence of JE E/M and contractor will have to submit the result of each earth point during payment .(ii) All T&P will be arrange by contractor at site.)

S&F (in replacement) Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and directed.

S & F in replacement mild steel sheet 1.6 mm thick of size 25x 20 cm , vitreous enamelled white, and writing the letter as directed by Eng-in-Charge using red colour enamelled paint and fixed with pole/GI pipe/ cable by approved size MS clamps, nut, bolt complete all as specified and directed.

S&F in replacement of following items in the existing panel / location and connection with using aluminum lugs/ ferrule including making necessary alteration in panel/door as required for proper fixing & connection complete all as specified and directed :-

MCCB 3 pole 63 amps rating, 16 KA breaking capacity, 415 Volt

MCCB 3 pole 125 amps rating, 16 KA breaking capacity 415 volt.

MCCB 4 pole 160 amps rating, 25 KA breaking capacity 415 volt, adjustable type.

MCCB 4 pole 200 amps rating, 35/36 KA breaking capacity 415 volt, adjustable with microprocessor based type.

MCCB 4 pole 250 amps rating, 35/36 KA breaking capacity 415 volt, adjustable with microprocessor based type.

MCCB 4 pole 400amps rating, 35/36 KA breaking capacity 415 volt, adjustable with microprocessor based type.

S&F in replacement of DC operated motor for RMU operation as existing capacity and model complete all as specified and directed.

S&F in replacement of maintenance free dry battery for RMU of 12 volt 60 AH capacity complete all as specified and directed.

S&F in replacement of printed circuit board for RMU scada operation complete all as specified and directed.

Checking identifying the defect/fault point of HT cable from 0 to 500 mtr using cable fault locator machine and rectifying the defects with removing of defective portion, making cable joint using strait through joint and meggering & restoration of electric supply pertains to external electrification of any type/any size/any nature of faulty HT electric cable/circuits complete all as directed for the following length of cable :- Note : (i) Cable fault locator machine with all T&P required for identifying the faulty point will be arrange by contractor which cost is included in unit rate. (ii) Straight through joint will be measured & paid separately in the relevant item.

Dismantling & taking out HT/LT burnt cable ends of any size from transformer/LT panel/LT feeder pillar box/trenches any type/size, for repair/making suitable for reconnection to cable, providing lugs to burnt end of cables, preparing fresh terminals and reconnection of cable with transformer/in trenches/along pole/ panel/feeder pillar box, including excavation of loop & refilling complete using old bricks and sand returning filling the excavated soil complete

Disconnection of all electrical connection and taking down old defective unserviceable 11 KV potential transformer (PT) and S&F New PT 3 Phase, dry and draw out type 11 KV/110 volts with suitable VA burden per phase, accuracy class 0.5 complete with HT & LT HRC fuses for primary and secondary in vacuum circuit breaker (VCB) complete all as specified and directed. Note : (i) All the instruments, primary and secondary injection kit and T&P required for the above job shall be arranged by the contractor at site and cost of the deemed to be included in the above rate. (ii) The above checking, inspection, installation and testing work shall be performed by HT expert/Engineer.

S & F in repair Euroload four pole change over with advance Neutral On load change over switch I-O-II ,Current Rating 630 Amps, 415 Volts complete all as specified and directed.

S & F in repair disc type insulator, porcelain, vitreous, white brown or green, 145mm high, and 225 mm dia ball and socket type single disc assembly for tension with tension clamps for conductors, working pressure 11000 volts grade complete.

S & F in repair pin type porcelain , vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height and 150 mm dia suitable for working pressure 11000 Volts grade complete.

MAHABIR SINGH

NEXT POWER ENTERPRISES

M/S VIJAY SINGH

RAMESH ENTERPRISES

Titco Electricals

ARADHYA ENTERPRISES

SHAM AND SONS ENGINEERING WORKS