REPAIR MAINT TO UNDERGROUND OVER HEAD HT EXTERNAL ELECTRIFICATION SYSTEM ALONGWITH OTHER CONNECTED ITEMS AT MIL STN ABOHAR

Amount

Taking out old unserviceable under ground HT cable upto 185 sqmm from trenches/floor/ road/pipe/ along poles including taking out old bricks complete all as specified and directed by Engineer-in-charge. Note: Excavation, earth work required for item shall be measured and paid seperately under respective items of BOQ.

Supplying, laying, jointing and testing XLPE insulated,screened, PVC beded,galvanised steel strip or wire armoured,clectric power cables (heavy duty)with aluminium conductor HT cable 11000 volts grade with cross sectional area 120 sqmm 3 core laid in trenches/ ducts/ along poles/ through pipes complete all as specified & directed by Engineer-in- charge. Note: Excavation & earth work shall be measured & paid separately under respective item of BOQ.

All as per Ser Item No 2.00 above HT cable 11000 volts grade with cross sectional area of size 95 sqmm 3 core complete all as specified.

Excavation in trenches not exceeding 1.5 mtr depth width and not exceeding 1.5m depth for laying under ground cable in loose/soft soil complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm all as specified and directed by Engineer-in-Charge.

Removal of surplus soil obtained from excavated material not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point.

Material and labour for sand cushioning with layer of sand 8cm thick before laying of cable and 15cm after laying of cable in trenches complete all as specified and directed and sand cover to under ground cable complete all as specified. Note : Punned thickness shall be measured only for payment purpose.

S&F un-reinforced precast concrete cable cover class HVP type 1 with peak, size 300mmx180mmx40mm laid flat length of cover across the length of cable and old US PCC cover to be disposal off 100 mtr away from the site complete all as specified and directed by Engr-In-Charge.

M&L for Boring hole across the Road/plinth/hardstanding/path/drain/pavement etc, suitable for inserting HDPE/GI pipe of upto 100mm dia bore pipe for cable passing without damaging existing Road/ path/ hardstanding/ floor by manual using trenchless technology tools/necessary equipment complete all as specified and directed.

Laying and commissioning only HT UG Cable of size 3 Core , 95 to 185 Sqmm, 11000 V grade PVC/XLPE insulated, PVC sheathed armoured conductor laid in trenches/Road/ paths/ on poles through GI protection pipe complete including connection of cable at both ends with suitable size of glands, aluminium lugs complete joining including disconnecting and removing existing UG Cable complete all as specified and directed by Engineer-in-Charge. Note: (a) HT UG Cable shall be laid against retrived Serviceable cable under relavent items of the schedule. (b) Earth work for the cable removing, laying measured and paid separately under relevent items of the schedule.

M&L for removing connections of faulty cable from both ends HT terminaton after meggaring and confirm the faulty cable taking directions from Engr-in-charge as specified and finding the spot of the cable faulty position with any other mechanism like cable fault locator or manual with necessary earth work made and remove the cable from the trench and jointing the cable to serviceable condition after necessary meggaring values obtain and shifting or relaying the cable all as specified and directed by Engr-In-Charge. Note: (a) Earth work for the cable removing, laying and necessary joints involved measured and paid separately under relevent items of the schedule. (b) Hiring or arrangment of cable locator/cable route tracker/other any mechanisim with skilled operator for positioning the cable fault location is deemed to be included in the rates quoted

M&L for Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6mm thick burried directly in ground vertically to a depth not less than 2.25 metre below ground level with top edge of earth plate at a depth of not less than 1.5 metre below ground level, earth plate surrounded by 15cm thick and packed layer of charcoal dust and common salt, connected to galvanised iron earth strip 25x4mm thick fixed by means of bolts, nuts and washers and watering pipe 20mm dia GI medium grade with socket and plug 30 cm above ground level including earthwork, PCC chamber in PCC (1:3:6) type C-2 using 40mm stone aggregate, cast iron cover, wire meah etc all as shown in electrical plate No. 3 of MES Schedule Part-I of SSR-2009 complete and all as specified and direcrted by Engr-in-charge Note : (a) 20 mm dia GI pipe for watering to be provided with a socket and plug and should be 30 cms above ground level. (b) GI strip connecting upto panel and DBs earth connection is included in this item. (c) GI pipe 40 mm dia protection pipe shall be provided upto LT panel box.

M&L in repair for fabrication of cross arms, bracings, supports,clamps and back plates fabricated from structural steel section including nuts, bolts, washers, welding,bending, cold or hot, drilling holes for bolts in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and as directed by Engr in charge.

M&L for painting of old painted surfaces with synthetic enemel paint to HT steel tubbular pole 11 mtr long including clamps,brackets,chanels,cross arms,bracing support and supporting pipe of cables etc including zebra painting at bottom up to 1.5 mtr above from the PCC couping and writing pole No with white paint complete etc complete all as specified and as directed.

All as per Ser item No 15.00 above but for 4 pole structure including cross arm, bracings etc.

All as per Ser item No 15.00 above but for 2 pole structure including cross arm,bracings etc.

S & F in repair GI tube light grade galvanised of size 100 mm with all fitting and fixed to wall and celling or laid in floors/under road etc complete all as specdied and directed by Engineer-in- Charge.

S & F in repair GI tube light grade galvanised of size 50 mm with all fitting and fixed to wall and celling or laid in floors/under road etc complete all as specdied and directed by Engineer-in- Charge.

S & F in repair GI tube light grade galvanised of size 80 mm with all fitting and fixed to wall and celling or laid in floors/under road etc complete all as specdied and directed by Engineer-in- Charge.

S&F in replacement of 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,150 mm dia for 11000 volts grade complete all as sprcified and as directed.

S&F in replacement disc type insulator, porcelain,vitreous 145 mm high and 225 mm dia ball and socket type,white,brown or green 'Single disc assembly' for tension with tension clamps for conductors,suitable for working pressure 11000 volts grade complete all as specified and directed by Engineer-in-charge.

S&F in replacement Post insulator suitable for AB switch porcelain,vitreous white,brown or green of 400 Amps rating suitable for working pressure 11000 volts grade complete all as specified and directed by Engineer-in-charge.

S&F in replacement loop type insulator, vitrous porcelain, white brown or green large size with overall dimensions 90x140 mm clearance of hole 25.5 mm dia complete all as specified and directed by Engineer-in-charge.

S&F in replacement of galvanised stay wire with stay strand 7/4mm complete all as specified.

Supply and fix stay assembly complete with accessories as shown electrical plate No. 1 of SSR Part I for HT poles with 20 mm dia stay rod complete all as specified. Note: Loop type insulator, excavation and concrete will be measured and paid seperately in relevant item of sch.

Supply and fix inreplacement of ACSR conductor, steel rainforced of required size or guage complete all as specified and directed by Engineer-in-charge.

Supply and fix Galvanised steel wire 3.15 or 4mm dia for earth wire complete all as specified and directed.

Supply and fix in replacement of cradles, hexagonal/rectangular,fabricated with Galvanised steel wire 3.15 mm or 4 mm dia, for LT/HT guard wire and craddles of required size or span complete all as specified and directed by Engineer-in-charge.

Supply and fix in replacement anti-climbing device; spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole

Supply and fix 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 all complete as specified and directed by Engineer-in-Charge.

S&F in replacement of HT 11 KV Air break switch, gang operated and drop out fuse unit having 12 Insulators for outdoor use, complete with all acessories, mounted on insulator and steel frame, with operating mechanism working from ground level, for current rating up to 200 Amps including high grade GI pipe of size 25mm bore, clamps, nuts, bolts and washers etc complete all as specified.

S&F in replacement of HT 11 KV Air break switch, gang operated and drop out fuse unit having 12 Insulators for out door use, complete with all acessories,, complete with all acessories, mounted on insulator and steel frame, with operating mechanism working from ground level, for current rating up to 400 Amps including high grade GI pipe of size 25mm bore, clamps, nuts, bolts and washers etc complete all as specified.

S&F in replacement of lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 Kilo amp suitable for 11000 Volts complete all as specified and directred.

S&F in replacement cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified.

S&F in replacement cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified.

S&F in replacement cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified.

S&F in replacement cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm complete all as specified and directed.

S&F Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm. complete all as specified and directed.

M&L for cutting/trimming of branches of tree tuching/aproaching LT/HT over lines/UG Cables of various spans(having 40 to 45 mtr) up to 3 mtr width on each side from different site of grith up to 10 cm with cutting equipments hacksaw, axe, ladders, rope and safety measures etc including disposal of trimmed branches 100 mtr away inside the cantonment area and cleaning the ares complete all as specified and directed by Engineer-in-charge.

M&L for cutting, trimming bushes, weed/tidy plants to bring in a cleaned position of substation/transformer yard installation without disturbing installed accessories/equipments by using cutting equipments hacksaw,axe,ladders,sword,trimmer for well groomed with safety measures etc including disposal of trimmed branches 100 mtr away inside the cantonment area and cleaning the areas complete all as specified and directed by Engineer-in-charge.

M&L for disconnecting HT & LT side cables of follwing indoor/outdoor transformer of capacity 100 KVA to 500 KVA and earth strip from body and neutral of transformer mounted on two pole/four pole structure/staging/sub stn and taking down the transformer manually/using mechanical means and lifting loading and transportation to MES store yard/site to civil workshop for repair,rewinding, and servicing duly opening of covers,draining out existing transformer oil,lifting of core,cleaning oil tank using chemicals,cleaning of core after removing HT/LT winding,re-assembling of new HT/LT windings with core varnishing heating and bringing back the same after repairs to the same point all as specified and directed by Engineer-in-charge. Note :-(a) Rewiding of HT/LT coil any type/material, dehydration of transformer oil reassembling after repair etc will be measured and paid seperately under respective item of BOQ. (b) Spare part shall be measured and paid seperately as supply only and cost of fixing and connection of spare parts shall be deemend to be included in the quoted rate of the above items.

M&L for Dehydration and filteration of exisitng transformer oil for transformer of any capacity using centrifugal plant to eliminate foreign particals and to improve die electric straingth not less than 50 KV for one minute in 2.5 mm electrode gap as per relevant IS and to bring the acidity within the permissible limit complete all as specified and directed by Engineer-in-charge. Note - (i) Transformer oil required for topping up shall be measured and paid for seperately under respective item of BOQ. (ii) Test certificate shall be submitted before and after filteration of dielectric strength. (iii) Dielectric strength of oil after filteration/ deydration shall not be less than 50 KV. (iv) The contractor will take shutdown orders before commencement of the work in writing from Engineer-in-Charge.

Supply and topping up to filling of fresh transformer oil conforming to IS-335/ 1983 having die electric strength not less than 60 KV in existing transformer installed at different locations complete all as specified and directed by Engineer-n-charge.

M&L for re-winding of 11 KV HT coils with super enemelled best quality copper wire of existing guage with superior quality insulation material for transformer of capacity upto 200 KVA complete all as specified and directed by Engineer-in-charge.

M&L for re-winding of 11 KV HT coils with super enemelled best quality Aluminium wire of existing guage with superior quality insulation material for transformer of capacity upto 400 KVA complete all as specified and directed by Engineer-in-charge.

M&L for assembling of HV and LV coils including necessary insulation with paper boards and varnishing,making internal connections,drying,removal of moisture from core and coils heating etc complete including testing of transformer on full load of capacity upto 500 KVA complete all as specified and directed by Engineer-in-charge.

Disconnecting transformer of capacity 100 to 160 KVA , indoor/outdoor from HT/LT side carefully at site, dismantling carefully and removing primary and secondary terminals, top cover, conservator tank, neutral earth strips and draining out transformer oil to the required level and storing carefully in cleaned containers, cleaning of terminals, inspection of core, supply and replacing the 5 mm thick rubberised cork sheet gasket to leak proof seal under relevent item of this schedule for tank top cover and reassembling the complete dismantling items by replacing unserviceable minor spares such as nut, bolts, washers, expulson vent diaphram, bush seals and filling drained out transformer oil after filtration to eliminate foreign particals and to improve die electric straingth not less than 40 KV for one minute in 2.5 mm electrode gap as per relevant IS and to bring the acidity within the permissible limit complete and reconnecting the HT/LT supply cable ends at the site and testing complete all as specified and directed by Engr-In-Charge.

All as per Ser item No 49.00 above but transformer of capacity above 160 KVA to 300 KVA .

All as per Ser item No 49.00 above but transformer of capacity 315 KVA to 500 KVA .

Supply only ceramic LV bushing complete with bushing stud (brass metal) for transformer of capacity 100 KVA to 250 KVA complete all as specified and directed by Engineer-in-charge.

Supply only ceramic LV bushing complete with bushing stud (brass metal) for transformer of capacity 315 KVA to 500 KVA complete all as specified and directed by Engineer-in-charge.

Supply only ceramic HV bushing complete with bushing stud (brass metal) for transformer of capacity 100 KVA to 250 KVA complete all as specified and directed by Engineer-in-charge.

Supply only ceramic HV bushing complete with bushing stud (brass metal) for transformer of capacity 315 KVA to 500 KVA complete all as specified and directed by Engineer-in-charge.

Supply only silica cork rubberised gasket, 5mm thick for transformer of capacity 100 KVA to 500 KVA complete all as specified and directed by Enginer-in-charge.

M&L for re-streaching of loose LT/HT over head line,aluminium conductor,GI guard wires and credals etc complete at various location and difrent span of 2 to 7 conductors with the help of rope and pullar etc complete all as specified and directed by Engineer-in-charge.

Supply only Male and female contacts with moving livers and connectors of HT 11 KV Airbreak switch GOD of 200 amps rating complete all as specified and directed. Note : fixing charges shall be considered in respective item of BOQ.

Taking out old unserviceable defective HT bushings from transformers by opening carefully primary and secondary terminals top cover conservator tank neutral earth strips and draining out transformer oil to the required level and storing carefully in cleaned containers for fixing porcelain bushing with brass studs under relevant items of the schedule and supply and fixng minor spares like nuts,rubber bush and washers connecting to winding and reassebling the complete dismantling items with same position, including reconnecting HT and LT sides by relacing suitable nut,bolts and lugs, testing and commissioning. The transformer 100 KVA to 250 KVA capacity complete all as directed.

All as per Ser item No 59.00 above but HT bush for transformer of capacity 300 KVA to 500 KVA

All as per Ser item No 59.00 above but LT bush for transformer of capacity 100 KVA to 500 KVA

Taking out old unserviceable drain cocks from the transformers and Supply and fix new gun metal gate valve 25 mm bore along with brass/ gun metal dummy cap with rubbber washers as required at site complete all as directed.

S&F in replacement silica gel in to the serviceable breathers of transformers all as specified and directed by Engr-In-Charge.

Supply and replace silica gel breather by connecting required short length GI pipe of existing size with conservator oil tank for transformer of capacity 100 KVA to 160 KVA all as specified and directed by Engr-In-Charge.

All as per Ser item No 64.00 above but for transformer of capacity above 200 KVA and up to 315 KVA all as specified and directed by Engr-In-Charge.

All as per Ser item No 64.00 above but for transformer of capacity above 315 KVA and up to 500 KVA all as specified and directed by Engr-In-Charge.

Supply and fix self adhesive reflective radium stickers 75 mm wide around the street light poles 1.5 above ground level complete all as specified and directed.

M & L for preparation of old painted surfaces of HT/LT transformers of capacity 100 KVA to 160 KVA including removing oily and greasy spots and applying one coats of synthetic enamel paint including white wash to transformer foundation plinth and lettering with white paint as MES NO/SM No, capacity, year of installation, serial No over coat on black paint complete all as specified and directed.

All as per Ser item No 68.00 above but transformer of capacity exceeding 160 KVA but not exceeding 300 KVA

All as per Ser item No 68.00 above but transformer of capacity 315 KVA to 500 KVA

All as per Ser item No 68.00 above but Power transformer of capacity 5 MVA

Shifting of transformers of capacity 100 KVA to 300 KVA from one location to another location under the area of GE Abohar as required and specified placing in position including making all connections and comissioning complete all as directed

All as per Ser item No 72.00 above but transformer of capacity 315 KVA to 500 KVA

S&F PVC line separator suitable for 3 phase 4 wire on LT line all as directed.

Taking down old unserviceable 11 KV insulated discharge rod and S&F in replacement of highly insulated FRP & Fiber glass industrial use earth telescopic discharge rod for 3 phase use having 3 Nos extendable type upto 11 mtr height of capacity upto 66 KV HT lines complete all as specified and directed.

Taking down the HT Vacuum circuit breaker/RMU of any type capacity 1250/800/630/400 Amps , 11 KV 250 MVA for servicing, repairs replacement of difective/wornout components and reassembling complete comprisng of the following including testing and commissioning of the following including testing and commissioning to the entire satisfaction of Engineer-in-charge.

Dismantling the VCB//RMU of any type from the enclosure consisting of vacuum interrupter assembly, socket contacts, checking the serviceablility of the following parts carefully including cleaning, adjustments, replacements, of defective/won our parts and re-assembling the complete as per following :- (a) Cleaning the external surface of bushing with CTC or liquid ammonia to remove the accumulation of dirt or any other deposits. Inspction of bushings and make sure that vibration due to break operation have not caused the bushings to move resulting mis alignment of contacts. (b) Checking the vaccum/RMU interputer assembly and contact Checking the alignment of contacts and setting the contact surfaces to bare firm and uniform pressure and adjust the gap as per manufacture tolerance. Badly potted contact needs to be replaced. Note : Contacts shall be ordered saparately. (c) Checking the breaker bushing of bus bar and circuit side inspecting the interval surface carefully for any charging/tracking, replacement of bushings.

Dismantling the spring Charging mechanism of VCB/RMU, checking the operations of closing/tripping through closing/tripping coils electrically as well as manual charging including cleaing adjustements and replacement of defective/worn out parts re-assembnly complete for the following :- (a) Checking the ratchet wheel assembly, driving and charging parts including replacement of defective ratchet wheel and like parts. (b) Checking the operation mechanism of breaker and ensure its operation freely through lentyire stroke. Parts which shows excessive wear and tear to be replaced or adjusted as per manufactures tolerance. (c) Checking of operating voltage watt mechanism termanials tripping arrangement for positive tripping. Contacts to be examined for their condition and operation. Dress the pitted contacts and replace if necessary.

Review the adjustement of all pressure switched land lockout devices and inspecting all bolts, nuts pins and collar pins and inplace and they are tight and opened properly. Note : cost of additional hardware like bolts, nuts, washers and springs, washers, petroleum jelly etc, to put the breaker in serviceable condition including inspection, cleaning & re-lubrication of circuit breaker is deemed to be included in the rates quoted.

Taking down old Protection relay from VCB breaker for repair and maint with replacement of minor spares such as fuse device,DC supply transistor,diaode and other any device to serviceable the specified relay of 3 OC + EF for 18-250 volt DC.

Taking down old over current and earth fault relay from 66 KV DC control panel for repair and maint with replacement of minor spares such as fuse device,DC supply transistor, diaode and other any device to serviceable the specified relay.

Taking down old unserviceable Tripping coil with assembly for 1250/800/630 /400 A and supply and fix new Tripping Coil for 630 /400 A Capacity replaced by unseriveable one all as specified and directed.

Taking down old unserviceable Closing coil with assembly for 1250/800/630 /400 A and supply and fix new Closing Coil for 630 /400 A Capacity replaced by unseriveable one all as specified and directed.

Taking down old unserviceable TNC Switch for breaker control and supply and fix new TNC (Trip, Neatural. Close) Switch for HT Panel replaced by unseriveable one all as specified and directed

Taking down old unserviceable indoor VCB/RMU LED Lamps for lighting and supply and fix suitable new LED lamps for HT Panel replaced by unseriveable one all as specified and directed

Taking down Old unserviceable Ampere meter and replace by new one complete all as specified

M&L for Earthing complete with copper earth plate electrode of size 600 x 600 x 3.15mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to copper strip of size 20 x 3mm earth lead by means brazing after fixing of nuts, bolts, check nuts, washers of galvanised iron steel, protected by galvanized iron pipe 40mm bore (Medium grade) all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x 10cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion after taking down old earthing complete all complete as specified and directed.

M & L for removing old unserviceable HT OH line jumpers/connectors/taps/sleeves of any type and size rejumpering the same by supply and fixing suitable size of ACSR conductor as jumpers and testing the OH lines after reapir/replacement and maint of jumpers all as specified and directed. Note : Connectors/Taps/Sleeves to be paid and measured separately under relevent items of this schedule. Note: Jumpers set of three to be replaced in each job at one pole including the quoted rate.

M&L for repair and maint of HT Air break GOD switch to removing carbon/burnt accessories and replacement of unservceable male and female contacts assembly including applying jelly for contact points and removing/replacement of unserviceable jumpering with new ACSR conductor jumpers and provision for requiered minor spares like screws, nuts, bolts,washers and links are inclusive complete all as specified and directed. Note: Male and female contacts of HT Airbreak GOD switch will be measured and paid separately under respective item of BOQ.

Laying only old bricks full size or used obtaind from excavation against cable shifting/ rerouting complete all as specified and directed.

M&L for emergency maintenance work of HT/LT over head line during breakdown by deploying skilled labour and electricians at faulty site having gang of mimimum 04 persons including transportation and other tools and plant required at site for fault rectification. Note: Contractor or his rep shall come to the site of breakdown within two hours of notification of breakdown. Incase the contractor or his rep not come to the site of breakdown start within two hours of notification a penalty of Rs 500/- per fault per hour shall be imposed over contractor for delay caused and same shall be deducted from his payment.

Material and Labour Framed work of Fe 410-W (Gde-E- 250)quality-A as in doors or gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering. Doors, etc. to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging also fastening and fixing complete as in compound guards of transformers, four pole/two pole structures in sub stations incuding painting of two coats of enamel paint over one coat of zinc coating primer complete all as specified and directed.

Material and Labour for MS structrural steel work plates (chequered) channels, square cut or notched (ordinery and counter sunk) forming holes without any attachment (Framed work of Fe 410-W (Gde-E- 250) quality-A for cable duct cover duly provision with lifting handles complete all as specified and directed.

Material and labor for HT cable route indicator cast iron plate round shape of size 150 mm dia bolted with 50 x 6 mm flat iron member of height not less than 1 Mtr embedded in PCC 1 : 3 : 6 type C2 using 40mm graded stone aggregate of size 20 x 20 x 30 cm block in trench over the cable route complete all as specified and directed.

Material and labor for filling SF6 gas upto the mark to read all electric parameters of the out door SF6 unit of 66 KV grade by bringing a gas cylinder and filling arrangement tools to fill with complete safety measures without long interruption of supply and test the equipment operational and shown the 66KV grade control panel a healthy parameters all as specified and directed by the Engineer-In-charge.

Supply and laying 40mm size aggregate for outdoor installation yard

M & L in repair of HT double break isolator box 66 KV electrically (DC) operated 800 Amp capacity and replacement of connecter, fuse, contactor, push botton and indicatore lamp etc. complete rewiring testing commissioning.

Supply ,installation,testing and commissioning in replacement of Heavy duty metal oxide lightning arresters 60 KV 10 KA station medium duty (SM) (old line discharge class -III) as per IEC 60099-4 of 2014 & IS: 15086 (part -4) of 2017 with Qrs=1.6C & wth =7kJ/kV gapless type surge Arrester comprising of Metal Oxide Elements housed in FRP CAGE 'DESIGN B' duly moulded with silicone Polymer to be used on a Nominal system voltage of 66 kV and Maximum System Voltage of 72 kV with an MCOV of 51 kVrms with insulating Base & surge Monitor along with connecting lead of 35 sqmm copper Cable of 2 meter length with Terminal connector suitable to Single ACSR conductor complete all as specified and directed.

Repair/ maintenance and servicing of Servo Voltage Motor operating Oil Immerged Voltage Stablizer 3 phase 415 volts 50 HZ of following capacity and Comprising following work services complete all as specified and directed by Engineer-in-Charge :- (a) Disconnection carefully in put & out put cable connection and foundation it any and transporting to trade work shop for repairs. (b) Opening of Top cover by removing nuts bolts and all mounting accessories etc. (c) Draining out stabilizer oil and keeping aside in barrel for reuse and then again pouring back after necessary filteration, Dehydration and dehydration including top-up with new oil to make up the reduced quantity after dehydration dielectric strength of Oil should be 40 KV. (d) Replacement of gas kit (e) Servicing of parts complete including cleaning and polishing the contact points. (f) Labour only for cleaning the internal body complete, under voltage coil with insulators, Servo motor, Volt meter , switches, dimmer state with PCB board etc. (g) Replacing unservicible nut bolts as required and as directed by Engr-In-Charge. (h) Reconnecting of all in out put contact points and refixing top cover after replacement of gas kit extra. (j) Transporting Stablizer back to the respective site connecting in put & out put cable testing & commencing. Note : Spare parts, if required, will be measured & paid separately under relevant item of this schedule at " Supply only" rates.

Stablizer of 100/120 KVA capacity

Stablizer of 10/30 KVA capacity

Supply only under voltage coil with insulator suitable for stabilizer of capacity 100/120 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only under voltage coil with insulator suitable for stabilizer of capacity 10/30 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only servo motor suitable of 100/120 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only servo motor suitable of 10/30 KVA complete all as specified and directed by Engineer-in-Charge.

Supply only dimmer state with PCB board suitable for 100/120 KVA stablizer complete all as specified and directed by Engineer-in-Charge.

Supply only dimmer state with PCB board suitable for 10/30 KVA stablizer complete all as specified and directed by Engineer-in-Charge.

Replacement of burnt Copper Coil winding complete with suitable size / gauge of super coper enameled wire of high quality mathing with existing wiring of voltage stabilizer transformer of capacity 10/30/100/120 KVA complete all as specified and directed by Engineer-in-Charge.

Preparation of old painted surface by steel brushing / cleaning stain gresy spot with thimmer and applying two coats of spray painting (synthetic enamel paint) all sides with spraying machine to servo voltage stablizer of capacity 100/120 KVA. complete all as specified and directed by Engineer-in-Charge

Preparation of old painted surface by steel brushing / cleaning stain gresy spot with thinder and applying two coats of spray painting (synthetic enamel paint) all sides with spraying machine to servo voltage stablizer of capacity 10/30 KVA. complete all as specified and directed by Engineer-in-Charge

Singla Electricals

SRI SAI CONSTRUCTION COMPANY