REPAIR /MAINTENANCE OF TRANSFORMER, VCBs, REPLACEMENT OF DAMAGED HT U/G CABLES, HT CONDUCTOR AND CONNECTING ACCESSORIES AT LAL TIKKU KHAD AREA AND CBS GHAROTA UNDER AGE E/M OF GE (S) MAMUN

Amount

Disconnecting all the electrical connections from H.T. and L.T. side of unserviceable transformer of capacity upto and including 1000 KVA i.e. Jumpers/cable from the cable end box or bushings & earthing terminal of the transformers including taking down, loading, unloading of transformer & transportation by vehicle from substation to the repairing workshop & transportation from workshop to same substation or any other substation / including reinstallation, commissioning and testing after repair complete all as specified and directed Note : [Repair to transformer i.e rewinding, repair/replacement of spares shall be measured & paid seperately under relevent items of BOQ]

Opening the transformer cover of capacity upto & including 1000 KVA along with the conservator by removing the nuts bolts then after removing the internal H.T & L.T connections by taking them out by removing studs, bushings, taking out the core-winding assembly out of the tank, removing out burnt HV and LV windings from the core assembly, cleaning of core assembly with CTC including necessary repairs for the unserviceable transformers having ratio 11 / 0.433 KV, draining & decanting of burnt transformer oil and cleaning of sludge deposited in the tank with CTC for the transformers. Rewinding of HV and LV coils with suitable size super enamelled copper wire/ strip (As Existing) having suitable class insulation material, reconditioning of LT coil if required. Heating of core winding assembly in hot chamber for 48 hours and removing all the moisture present in it, repair of leakage of tank if any by welding, refilling transformer oil to tank after putting the core-winding assembly into the tank, reassembling and making the internal H.T & L.T connections by fixing the studs, bushing, fitting the top cover by replacing cork sheet gasket along with conservator, testing the transformer in the workshop duly filled with oil complete all as specified and directed. Note : (i) Items required for repairs including copper wire/strip required for rewinding of transformer shall be measured and paid separately under relevant item of this schedule. (ii) Transformer oil with die electric strength not less than 60 KV either new or filtered shall be filled and shall be measured and paid seperately under respective item. (iii) Repair of the transformer will be carried out at auth workshop. GE/ AGE E/M will visit to workshop before repair of transformer and certificate of auth workshop shall be submitted by the contractor.

Material and labour for servicing & repair of package type substation transformer of capacity upto including 315 KVA after opening of cover along with all compartment each HT & LT by removing the nuts & bolts after removing the internal LT & HT connections, checking all compartment i.e. studs, bushing, HT change over switch with busbar, LT side panel with busbar and MCCB with connected bus bar repair/replacement with CTC/CRC/thinner for the transformer removal of leakage if any by welding, door repair of all compartment and all shutter tighening with nuts & bolts including necessary repairs for the making transformer serviceable conditions, refilling transformer oil to tank and reassembling making the internal HT & LT connections by fixing the studs, bushing, fitting the all cover of compartment, testing the transformer complete all as directed by Engr-in-Charge.

All as per Srl Item No 03 here-in-above but capacity of transformer above 500 KVA upto 1000 KVA complete all as specified and directed by Engineer-in-Charge. Note for Item No 3 & 4: i) Cleaning of all compartment with air blower and removing carbon or any other dust particles. ii) Cleaning of insulated places of all compartment by using CTC/CRT/thinner or other chemical required and as directed by Engr-in-Charge. iii) Cleaning of all contact or moving part by removing carbon or any other unwanted particles to maintain proper connection and greasing and oiling as required and recommended by Engr-in-Charge. iv) Checking and reapirs/replacement of all electrical wiring/busbar/electrical components etc for smooth functioning of transformer & LT panels v) MCCB and digital multifunction meter shall be measured and paid separately. vi) Repair/replacement of panel compartment sheet, door lock accessories along with welding, fitting of all parts as required & directed by Engr-in-Charge.

Supply and fixing in replacement of super enamelled copper winding wire with insulation of any size for HT coils of transformers all as specified.

Supply and fixing in replacement of super enamelled aluminium winding wire with insulation of any size for HT coils for transformers all as specified.

Supply and fixing in replacement of copper winding strip with insulation of any size for LT coils of transformers including providing insulation all as required.

Supply and fixing in replacement of aluminium winding strip with insulation of any size for LT coils of transformers including providing insulation all as required.

Supply and fixing in replacement of LT bushings 433 V of suitable size for outdoor/ indoor type transformer of the capacity Upto 200KVA complete all as specified and directed

All as Per Srl item No 9.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of HT bushings 11KV of suitable size for outdoor type transformer upto 200KVA complete all as specified and directed

All as Per Srl item No 11.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of HT bushings 11KV of suitable size for indoor type transformer upto 200KVA complete all as specified and directed

All as Per Srl item No 13.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of brass stud (for LT 433V side) of suitable size complete with one check nut, two nuts, washers and rubber seal, all as per sample for outdoor/indoor type transformer of the capacity upto 200KVA complete all as specified and directed.

All as Per Srl item No 15.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of brass stud (for HT 11KV side) of suitable size complete with one check nut, two nuts, washers and rubber seal, all as per sample for outdoor/indoor type transformer of the capacity upto 200 KVA complete all as specified & directed.

All as Per Srl item No 17.00 here in above but transformer capacity above 200 KVA upto 1000 KVA

Supply and fixing in replacement of unserviceable breather assembly for transformer of capacity upto 500 KVA all as per existing complete all as specified & directed

Supply and fixing Arcing Horns of suitable size complete all as per sample for transformer of capacity upto 200 KVA complete all as specified & directed

All as Per Srl item No 20.00 here in above but transformer capacity above 200 KVA upto 500 KVA

Supply and fixing in replacement of Diapharm of breather assy for transformer of capacity upto 1000 KVA complete all as per existing specification and size required at site complete all as specified & directed.

Material and Labour for Dehydration including filteration of transformer oil using dehydration filteration plant including testing of sample before and after dehydration and filteration complete all as specified and directed. (The dielectric strength to be achieved 60 KV at 2.5 mm gap after completion of dehydration and filteration). Note:- (i) Dehydration of transformer oil in the Transformer carried out on the site by dehydration machine. (ii) All the Labour work like disconnection of cable and reassemble & drum etc. has to be carried out by contractor under their own arrenement.

Supply and filling/Toping up of transformer oil including testing before filling to achieve 60 KV at 2.5 mm gap complete all as specified and as directed.

Material and Labour for Preparation of old painted surfaces and cooling coils/ fins of transformers of upto 200 KVA ( incl. 200 KVA) capacityacities by removing oil marks using chemical or hot blow lamp. Spray painting to prepared surfaces using synthetic enamel paint of superior quality of colour as approved by GE / AGE E/M as per standard engineering practice with two coats, writing SM No, MES No, Make and capacity with white paint having height of each letter not less than 2.5cm and width not less than 1cm complete all as specified & directed. Note: Shutdown of HT/LT line shall be taken by contractor in writing from MES rep.

All as Per Srl item No 25.00 above but of capacity above 200 KVA to 500 KVA complete all as specified & directed.

Supply and filling up in replacement silica gel superior quality to transformer breather assy all as required and directed.

Excavation in trenches in any type soil n. exc. 1.5 Mtr in width and not exceeding1.5 Mtr in depth and getting out all as required for laying of cable/ poles complete all as specified and directed.

Excavation in trenches in soft/loose soil n. exc. 1.5 Mtr in width and exc. 1.5 Mtr but not exc. 3.00 Mtr in depth and getting out all as required for laying of cable/ poles complete all as specified and directed.

Removing excavated material to a distance not exceeding 50 Mtr and deposting where directed at a level not exc. 1.5 mtr above the starting point complete all as specified and directed.

Returing filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm each all as required complete all as specified and directed.

Supply and laying unreinforced precast cement concrete cable cover, class HV, type 1 with peak, size 300 mm x 180mmx 40mm all as required as in protection of cable complete all as specified and directed.

Material and Labour for dry fine sand cushioning to under ground cables 8 cm thick before laying the cable and 15 cm thick after laying, stretching and testing the cable all as direted.

Material and labour for plain cement concrete (1:4:8) type D-2 with using 40mm graded stone aggregate as in foundations and mass concrete etc complete all as specified and directed.

Material & labour for plain cement concrete (1:3:6) type C-1 with using 20mm graded stone aggregate as in coping of poles and foundation of stay etc including necessary form work, complete all as specified and directed.

Material and Labour for detection of any type of fault in HT underground Line (laid in soil at plane area or forest area) with the help of Cable fault locator machine. Cable fault locator with carring vehicle will be brought by the cable fault detection agencies. Span of faulty cable will be trace out by the agencies by meggering HT cable. Note : 1. Detection of fault in one span of length will be measured as Each Job. 2. Technicians will be employed by the contractor. 3. Earth work and taking out will be measured and paid seperately. 4. Material for repair and replacement will be measured and paid saperately. 5. One job shall be measured if the fault has successfully rectified by the fault locator machine and Technician. 6. HT fault shall be trace and done within 48 hour if not done recovery of Rs 2000 shall be made for each fault.

Supply, laying in replacement of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 95 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Supply, laying in replacement of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 120 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Supply, laying in replacement of HT XLPE cable in trenches or fixed to wall/pole or passing through pipe or road crossing, testing and commissioning of HT XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty ) with aluminium conductor, 11KV (Earthed) grade, suitable for earthed system, with aluminium conductor of size 300 Sqmm 3 Core including taking down unserviceable HT cable of any type/size/description, etc complete all specified and directed (Note : Excavation & Earth work shall be measured and paid seprately).

Dismantling cross-arms of M.S. channel or angle sections etc. complete all as specified and as directed.

Material and labour for painting of HT panel/VCB Panel outdoor/indoor off sizes removing existing old paint with the help of sand/emery paper etc. Preparing surfaces externally including cleaning etc. Applying externally one coat synthetic enamel paint with help of sprey machine method including cleaning and surface dressing upto 25cm depth around 1 mtr of the panels complete all as specified and directed by Engr-in-charge. Note : Shutdown of HT line shall be taken by contractor in writting from MES

Material and labour in replacement of Cross arms, bracings, 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 Prime coat, one under coat and one finishing coat of aluminium paint complete all as specified and directed.

Material and labour in replacement of cable termination outdoor, heat shrinkable type suitable for XLPE cable of size 50 Sqmm to 95 sqmm 3 core with working voltage 11000 volts (Earthed) with jointing material and accessories including testing complete all as specified and directed.

Material and labour in replacement of cable termination outdoor, heat shrinkable type suitable for XLPE cable of size 120 Sqmm to 185 sqmm 3 core with working voltage 11000 volts (Earthed) with jointing material and accessories including testing complete all as specified and directed.

Material and labour in replacement of cable termination outdoor, heat shrinkable type suitable for XLPE cable of size 240 Sqmm to 400 sqmm 3 core with working voltage 11000 volts (Earthed) with jointing material and accessories including testing complete all as specified and directed.

Material and labour in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 sqmm 3 core with working voltage 11000 volts complete all as specified and directed.

Material and labour in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 sqmm 3 core with working voltage 11000 volts complete all as specified and directed.

Material and labour in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with joining material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 400 Sqmm 3 core with working voltage 11000 volts complete all as specified and directed.

Dismantling and taking down carefully old ACSR conductor/GI wire of any size from HT overhead line after unbinding from insulator complete all as specified and directed

Restretching aluminium conductor or GI wire on existing over head lines (running on 9/11 Mtrs pole) without removing including unbinding from insulator and rebinding to insulator using aluminium binding wire , connections of incoming and out going cables, binding with spacers where required, complete all as specified and directed. Note: (1) ACSR conductor Required for winding etc is deemed included in quoted rates. (2) The distance between two poles shall be considered as one Span for measurement purpose. (3) For measurement length of set of 3 conductors including GI wire/Cradle or gurading wire shall be taken as one span.

Supply and stringing ACSR conductor any size to HT/LT over head lines, stretching properly to achieve proper sag including binding to insulators using GI/aluminium binding wire all as required at site including connections of incoming and out going cables complete all as specified and directed.

Taking down old insulator of any type, shape & size, complete all as specified & directed.

Dismantling stay assembly complete including excavation for taking out PCC block breaking of PCC block for taking out MS plate and removing u/s item i.e iron items or PCC from site., complete all as specified & directed.

Material and labour for HT Cable route marker made out of Reinforced concrete cement type C-1(1:3:6) with 4 mm dia MS bars of size 600x450x450mm at bottom and 600x200x200mm at top duly engraved 'HT FEEDER NAME' complete all as specified and directed.

Dismantling unserviceable Prestressed concrete pole 11.00 metre long complete and removing from site all as specified and directed.

Material and labour in replacement of existing unserviceable PCC pole with prestressed concrete pole 11.00 metre long .152 mmX152mm at top and 152 mm x 260 mm at bottom class 9. errecting in truly position complete all as specified and directed. Note: (Earth work and PCC to be measured and paid for seperately)

Material and labour for painting of PCC pole 11 mtr height without removing accessories with one coat of alternative green and white strips of 30 cm each upto 1.5 mtr height using cement base paint . Marking the pole No with black enamell paint. Painting the steel parts i.e clamps, channels etc by applying one coat of aluminium paint all as required at site or directed.

Material and labour for scraping of old paint from the steel tubular pole 11 mtr height with out removing accessories and preparation of surfaces for repainting. Repainting the pole with one coat of alternative green and white strips of 30 cm each upto 1.5 mtr height using cement base paint . Marking the pole No with black enamell paint. Repainting the remaining pole and iron parts i.e U clamps, chanels etc above 1.5 mtr height by applying one coat of aluminium paint all as required at site or directed.

Material and labour for replacement of existing unserviceable switch air break, gang operated, tripple pole mounted on insulators 15 Nos and steel frame with operating mechanism in worked from ground level, drop out fuse, for current rating upto 400 amps and working voltage 11000 volts all as required at site or directed.

Supply and fixing of polymer disc insulator 11 KV complete all as required at site and directed.

Material and labour for taking out operating handle with clamps from the GO switch to carry out the repairs. Cutting the operating rod to the required length and refixing to the GO switch alongwith new handle and new clamp for handle all as required for smooth operation of GO switch, complete all as required at site and directed.

Material and labour for replacement of unserviceable stay assembly complete with MS stay plate of size 300x300x6mm thick, stay rod 20mm dia, stay bow, nuts, bolts and check nuts of GI all as shown in EP No 01 of SSR Part-I of 2009 or directed. Note: (Excavation, PCC, saty wire and loop type insulators will be measured separately).

Material and labour for replacement of unserviceable galvanized stay strand of size 7/4 mm, complete all as specified and directed.

Material and labour for loop type insulator large size with overall dimensions (90 x140) mm with clearance of hole 25.5 mm vitreous white brown or green complete all as required at site or directed.

Supply and fixing of composite post insulator Polymer 252 mm high & 105 mm dia, complete all as required at site and directed.

Supply and fixing in replacement of existing unserviceable composite pin insulator with composite pin insulator polymer 252 mm high & 105 mm dia, complete all as required at site or directed.

Dismantling of spares of GOD such as Male , Female , copper belt, belt carrier and back connector plate etc, complete all as specified and directed.

Supply and fixing of Male Contact / moving contact blade with arching horn having brass contacts suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing on post insulator or any other indicated situation, complete all as specified and directed.

Supply and fixing of Female contact spring loaded having brass contacts suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing on post insulator or any other indicated situation, complete all as specified and directed.

Supply and fixing of tinned Copper braided flexible belt or jumper 200 Amp/400 Amp, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing, complete all as specified and directed.

Supply and fixing of MS Jumper Carrier for carrying copper braided belt , suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing complete all as specified and directed.

Supply and fixing of Back connector plate, suitable for 11 KV GOD, including galvanised iron bolts, nuts and washers for fixing complete all as specified and directed.

Trimming up of tree branches upto 3 mtr all around HT overhead lines, removing cut branches from site as directed, the overhead lines will be kept clear from all trees by trimming of tree branches upto 3 mtr all around the line. Note :- (i) Necessary permission will be obtained from department by contractor one day prior to trimming in particular area and shut down of that area will be arranged by department. (ii) Only effected Span at site shall be measured where tree branches are touching nearly HT/LT lines. (iii) Contractor shall be responsible for care & safety of person deployed at site during trimmming of Tree from HT/LT Lines. (iv) Contractor shall be provide the safety equipment /T&P for the person deployed at site at their own arragement..

Supply and fixing in replacement for GI tubing light grade 150 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole, complete all as specified and as directed.

Supply and fixing in replacement for GI tubing light grade 100 mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.

Repair to HT pannel of make Alstom/Areva/crompton/ ABB having vacuum circuit breaker 11 KV rating of capacity 250 MVA and current rating up to 800 A by replacing defective/wornout part, adjustment of gaps for smooth operation all as detailed below:- (a) Cleaning of VCB with air blower and removing dust particals. (b) Cleaning of insulating places of VCB by using CTC/CRC/Thinner as required and recommended. (c) Checking the acring contact gap of vaccum intrupter if gap exceeds the permissible limis, readjust as recommended. (d) Cleaning the main contacts to remove carbon or any other unwanted particals if visible. (e) Dismentling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking/repair replacement of all electrical wiring for electrical/manual operation of panel including measuring IR values. (g) Checking of all nuts/bolts, springs, levers, latches, connnectors etc and adjustments as required and recommended. (h) Recording IR values of CTs and PTs. (j) Cleaning of bus bar spout. (k) Checking of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. Note :- (i) The cost of minor spare parts i.e nut and bolts, springs, grommets, dust cover, ring of isolator contacts, clips, pin for release prop, 'Y' Phase shround, over ride stop pin etc unless or other wise mentioned here in after but essentially required to make the panel serviceable shall deemed to be included in the quoted rate. (ii) Shutdown of HT line shall be taken by contractor in writting from MES

Material and labour for programme the existing numerical relay for over load and earth fault settings with respect to trip settings of HT panels installed at Lal Tikku Khad substation 132 KV/11KV sub station in such a way that faults are arrested locally including arranging or cracking of existing password all as required for smooth functioning of the HT panels, complete all as specified and directed .

Supply and fixing in replacement of HRC fuse of rating 2 to 6 Amp any type to suit existing system, complete all as specified and as directed.

Supply and fixing in replacment of bakelite fuse base and carrier suitable for fuse rating 2-20 A any type to suit the existing system, complete all as specified and directed.

Taking out old CTs of any rating up to 200/100/5 from HT VCBs of any current rating utpo 800Amps and working voltage 11kV and segration of servicable & unservicable CT's by megaring IR values or any recommended means and keeping aside servicable CT's for reuse within same sub stn and removing unservicable from site, complete all as specified and directed.

Refixing the old serviceable CTs reterived from item ser no 80 above and found servicable to another panel, complete all specified and directed.

Supply and fixing in replacement epoxy/ resin cast CT of dual core dual ratio 300-150/5+5A with 5 P 10 for protection and class-I accuracy having 15 VA burden, complete all as specified and directed

Supply and fixing in replacement of Vacuum interrupter 630/800A suitable for HT VCB's of existing type and size, complete all as specified and directed

Supply and fixing in replacement of Vacuum interrupter 400/630A suitable for HT VCB's, complete all as specified and directed

Supply and fixing in replacement trip coil with plunger with working voltage 24 volts DC suitable for existing panel, complete all as specified and directed

Supply and fixing in replacement of closing coil with working voltage 24 volts DC suitable for existing panel, complete all as specified and directed

Supply and fixing in replacement of auxilliary contact of suitable for the existing VCBs, complete all as specified and directed.

Supply and fixing isolating contact suitable for existing VCBs, complete all as specified and directed.

Supply and fixing in replacement of tripprop block assy suitable for existing VCB, complete all as specified and directed.

Supply and fixing indicating lamp & holder assembly LED type suitable for HT panel upto 630A complete of existing colour, complete all as specified and directed.

Supply and fixing in replacement motor with gear assembly for spring mechanism charging suitable for HT VCB, complete all as specified and directed.

Material and labour for replacement of unservicable earthing with steel earth plate electrode of size 60cmx60cmx6mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to galvanized iron strip of size 32x6mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate,40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI medium grade watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30cm made of RCC 1:3:6 with suitable handle,angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt in each layers of 15cm all around the earth plate, removal of surplus soil and returning filling in all as required at site including test point made out of steel plate of size 75x75x6mm fixed to wall all as specified in plate No 3 of SSR Part-I and directed by Engr-in-Charge.

Material and labour for replacement of unservicable earthing with copper plate electrode of size 60cmx60cmx3.15mm thick buried directly in ground to a depth not less than 2.25 mtr deep below normal ground level with top edge of the earth plate not less than 1.5 mtr deep below normal ground level connected to copper earth lead strip of size 20x3mm as earthing lead by means of nuts, bolts and washers of steel after welding of GI strip to earth electrode to the full lenght of earth plate,40mm dia GI tubing light grade protection pipe upto test point, 20mm dia GI medium grade watering pipe with funnel and wire mesh, PCC pit 1:3:6 with pit cover of size 30X30cm made of RCC 1:3:6 with suitable handle, angle iron frame made of angle iron of size 40x40x4mm, adequate qty of charcoal dust and salt in each layers of 15cm all around the earth plate, removal of surplus soil and returning filling in all as required at site including test point made out of steel plate of size 75x75x6mm fixed to wall all as specified in plate No 3 of SSR Part-I and directed by Engr-in-Charge.

Material and labour for scraping old paint from steel sections of transformer plateform without removing accessories and preparation of surfaces inclunding plastering walls for repainting /white washing. Repainting the wall with one coat of snowcem of approved color and repainting the remaining Iron parts i.e. cross armes supporting angles, XPM jali. clamps GI bracket etc by one coat of aluminium paint all as reqiured at site or directed.

Material and labour for chequered cement concrete tiles with gray cement and pigment 20cmx20cmx20mm thick machine pressed jointed and pointed in neat cement slurry, laid in floors, over and including 15mm thick screed layer in cement mortar 1:4 , complete all as specified and directed.

Material and labour in replacement of existing unserviceable capacitors at different places in LT panels of different KVAR heavy duty capacities from 01 KVAR to 25 KVAR including required electrical connections with suitable size of single core pvc copper cable & testing all as directed .

Supply and fixing in replacement of existing unserviceable anti climbing device spikes type fabricated out of MS bars (round, spuare or flat ) including nuts, bolts washers and welding into two halves made to shape to suite the cross section of the pole including one coat of primer and one under coat and one finishing coat of aluminium paint including preparation of suraface complete all as specified and directed.

Supply and fixing in replacement of existing unserviceable danger notice board with pressed vitreous painted plate fabricated out of 1.6mm thick mild steel sheet vitreous enamelled white with letters.figures and convertional skull and bones in signal red colour and fixed with MS clamp bolts,and nuts of approved size for HT,25X20cm size complete all as specified and directed.

Material and labour for graded course aggregate of 40 mm grade nominal size without any vegitation or chemical including levelling /spreading surrounding HT 2/4 pole structure, HT panel all as specified directed . Note : (Rates are deemed to be included for bricks required for rataining the aggregare)

Material and labour for repair of existing platform for single transformer as per existing size from natural ground level with brick walling including repair of steps and plastering work & repair of XPM fencing fixed on angle iron posts upto 1.20m height with gate and locking arrangement, painting etc, complete all as specified

Supply and fixing in replacement battery bank constant current, constant voltage (CCCV) battery charging (float or boost ) unit to charge 24 volts DC battery bank fitted with a digital voltmeter and ammeters, SCR controlled and consisting of duoble wound transformer (provided with best quality CRGO laminations for high effiecency ) an SCR/diode bridge , smoothing choke, capacitors and electric circuits for controlling the voltage and current placed on rack made out of angle iron frame and solid square bars as requires suitable for floor mounting including 12 Nos batteries of 2 Volt each 120 AH. Make Exide, The charge should have indication for main suppply, mode of charging (float or boost), polarity better reverse and over load conditions, protection for over load , sort circuit , reverse polarity and surge transient. The charger have to alarm on fuse blowing and short circuit. All protrections to charger and its meter shall be provided with suitable rating MCB only the other technical specifications shall be as under :- (i) Input working voltage 180-270 volts. (ii) Nominal input voltage 240 V AC 50 Hz single phase. (iii) Float cum boost charging -automatically charges from one state to another states as per battery condtion and should give the visual indication for either float or boost based in charging mode.

Supply and fixing in replacement MCCB 4 Pole, 415 v, Adjustable ype, 160Amps with breaking capacity 36 KA as per existing make, model and size, complete all as specified and directred.

Supply and fixing in replacement MCCB 4 Pole, 415 v, Adjustable ype, 200Amps with breaking capacity 36 KA as per existing make, model and size, complete all as specified and directred.

Supply and fixing in replacement MCCB 4 Pole, 415 v, Adjustable ype, 250Amps with breaking capacity 36 KA as per existing make, model and size, complete all as specified and directred.

Supply and fixing in replacement MCCB 4 Pole, 415 v, Adjustable ype, 350Amps with breaking capacity 36 KA as per existing make, model and size, complete all as specified and directred.

Supply and fixing in replacement MCCB 4 Pole, 415 v, Adjustable ype, 400Amps with breaking capacity 50 KA as per existing make, model and size, complete all as specified and directred.

Supply and fixing in replacement MCCB 4 Pole, 415 v, Adjustable ype, 600Amps with breaking capacity 50 KA as per existing make, model and size, complete all as specified and directred.

Supply and fixing in replacement Multifuction meter 3 phase 440 volt as per existing make, model and size, complete all as specified and directred.

Material and labour for repair/replacement of SF 6 breaker by dismentling all working part, mechanical linkage, busbar, HT insulator brass stud, tripping mechenism, recoil mechanism, servcing all movable parts, cleaning all movable part, greasing oiling including replacement of defective part as required at site, reassembling, refixing all part in existing working condition and testing from authorised workshop as approved by Engr-in-Charge the breaker after compeltion of work complete all as specified and directred.