REPAIR/ MAINTENANCE OF HT LINES, VCBs, RMUs, HT CONTROLING DEVICES ALONGWITH MISC ITEMS UNDER GE NAGROTA

Amount

Repair /servicing /Calliberation to HT panel of Make : Siemens/Hansel having vacuum circuit breaker 11 KV rating of capacity and current rating up to 630/800 Amp 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 arcing 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) Dismantling and cleaning the insulated surfaces and arc barrier with CTC and CRC. (f) Checking/ repair replacement of all electrical/ manual operation of panel including measuring IR values. (g) Checking of all nuts/ bolts. springs, levers, latches, connectors etc. and adjustments as required and recommended. (h) Recording IR values of CTs and PTs (j) Cleaning of bus bar spout. (k) Cleaning of all moving parts for proper functioning of VCB and adjustment as per manufacturer recommendations. Note: (i) Service will be carried out through Service Engineer of Manufacturer only. The service engineer so hired should be the manufacturer employee only. No employee of authorized dealer shall be hired for servicing of VCB. (ii) 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 essentially required to make the panel serviceable shall deemed to be included in the unit rate by contractor. (iiI) Rates are deemed to include the cost of material and labour required to make alternative arrangement to bypass the electric supply through the HT panel or other HT line to avoid long period of shut down of electric supply. (iv) Servicing of VCB will be carried out after every 3 Months in the entire period of contract.

Supply, treating (dehydrating), filling new transformer oil in transformers for topping up levels or for replacement of unfit oil .New oil having dielectric strength not less than 60 KV at 2.5mm Gap and shall be confirming to IS 335. Note : The Empty Barrel is the property of department. Supply should be given in Sealed Containers.

Filteration, dehydration of transformer oil as drained out from power transformer of Capacity 6.3 MVA 33/ 11 KV to make the oil fit for reuse by improving its dielectric strength not less than 60 KV below 45 KV dielctric strength oil shall be replaced with new oil (new oil for toping/or for replacement shall be measured and paid separately under appropriate item of sch 'A') here-in-after.Note : a) Filatration to be done by dehydration machine till the desired level of dielectric strength of transformer oil comes to 60 KV b) Contractor will test the dielectric strength of transformer oil before starting the dehydration & filteration and after completion of dehydartion & filteration process and submit the record for the same.

Opening the VCB 11 KV 3 Phase 800/630 Amp and replacing the single phase burnt motor of VCB with appropriate size of motor complete all as directed.

S&F in Repair/ Repalcement motor charging gear of VCB 11 KV 3 Phase 800/630 Amp complete all as directed.

S&F in Repair/Replacement of burnt trip coil assembly 24 V DC of VCB 11 KV 3 Phase 800/630 Amp complete all as directed

S&F in Repair/Replacement of burnt closing coil assembly 24V DC of VCB 11 KV 3 Phase 800/630 Amp complete all as directed.

S&F in Repair/Replacement of burnt wiring including cut out switches of VCB 11 KV 3 Phase 800 Amp complete all as directed.

S&F inRepair/Replacement of TNT switch suitable for VCB 11 KV 3 Phase 800 Amp complete all as directed.

Supply and fix in repair/replacement auxilary switch suitable for Existing VCB complete all as specified and directed by engr in charge .

S&F in repair/ replacement of HT 11KV VCB panel spout insulator complete all as specified and directed.

S&F in repair/replacemet 2.5 sqmm, 4 core copper multistand cable 1100 V after taking down carefully old UNSV cable complete all as specified and directed.

S&F in Reapir / replacement of electronic hooter suitable for 33/11 KV C&R panel as per sample and make complete all as per specified and directed by Eng in charge.

S&F in Reapir / replacement of electronic hooter suitable for 11 KV C&R panel as Per sample and make complete all as per specified and directed by Eng in charge.

S&F in Repair/ replacement of indication lamp ( LED ) type RED, Yellow or green colour suitable for 110 Volt AC/ DC ( as required at site ) complete all as specified and directed.

S&F in Repair/ Repalcement of multifunctional meter with LCD display suitable for measuring 11 KV electrical parameter ( Voltage , Amp, frequancy, KWH, power factor ) complete all as directed by engr-in-charge.

Supply and testing of spring charging mechanism with motor for outdoor/indoor type , 11KV VCB operated on 230/110/24 volt DC, with charging less than 15 sec of approved rating complete all as specfied and directed

Supply only spring charging handle suitable for VCB/RMU/ charging as per sample complete all as specfied and directed.

S&F in Repair/Replacement of unserviceable Numerical Earth fault/ overcurrent IDMT relay as Per sample and to match with existing CTs make complete all as per specified and directed by Eng in charge. Make Aashida ADR 141 A , Siemens , C&S

S&F in repair of unserviceable Instantantenous numerical earth fault relay for 33/11 KV C&R panel as per sample and make complete all as per specified and directed by Eng in charge. Make : Ashida

Supply and Fixing of 3 phase digital type Amp meter 0- 120 Amp class 0.5 suitable for 33 KV C &R panel and 11 KV VCB to match the ratio of existing CTs complete all as specified and directed by Eng in Charge.

M&L for Maintenance and complete overhauling of 33 KV VCB of existing make/ type/mode/capacityl including diassembling of operating mechanism parts well cleaning with petrol and CRC-226 and replacing unserviceable spare parts reassembling of parts including well cleaning the complete panel board,main busbar,decarbonizing all joints busbar CTs,PTs, spouts metal parts and making VCB perfect operating in manual and remote mode and calibration & checking of tripping system of 33 KV circuit breaker through IDMT over current and earth fault relay at plug setting infented inservice by primary current injection method to ensure proper function of trip coil control circuit etc. during fault condition setting by expert from authorised agency/manufacurers including submission of calibration certificate complete all as specified and directed. Note:- Minor spare parts required to make VCB functional is to be included in the quoted rates.

S& F of 3 phase digital type Volt Meter 0- 12 KV class 0.5 to match the ratio of existing CTs as per make on site or as complete specified and directed by Eng in Charge.

M & L for complete servicing of RMU Make : Scheinder installed at various 11 KV Sub Stations at Nagrota Mil Stn by using required T & P including taking down old unserviceale spare parts of any nature and replace with new and making functional upto the satisfaction, working with all functions like OC, UV, EF, instant tripping on fault including testing with required instruments complete all as directed by Engr-in-Charge. The serviing covers the following :- (a) Through cleaning of breaker chamber (b) Checking of closing and tripping coil (c) Checking of Test/service Aux. switch operation (d) Checking of tripping mechanism operation. (e) Spring charging limit switches operation. (f) Checking healthiness of three poles. (g) Tightness, checking of power connection. (h) Checking of breaker ON/OFF operation manually and electrically. (j) Checking of closing timings. (k) Checking of tripping timings. (l) Functional checking of all electrical and mechanical operation of brekers. (m) Co-ordination of relay and their testing with required testing equipment according to source incomer VCB. Note: The breaker shall be repaired through authorised dealer or the representative of OEM manufacturer of Scheinder (a) Spare parts required for repair of RMU shall be measured and paid under relevant items. (b) After completion of repair work, RMU shall be connected to full load and testing to be carried out infront of Engineer-in-charge showing all functional/operational system are working satisfactorily. (c) Servicing of RMU will be carried out after every 3 Months in the entire period of contract.

Taking out the cable chamber door and filling the SF6 gas in insulated gas tank and checking pressure gauge, gas fiiling valve and refixing the cable with bushing and boot cover complete all as specified and directed.

Supply and fix in replacement Bushing 400 Series Bolted Type suitable for HT 11 KV RMU as per sample complete all as specified and directed.

Supply and fix in replacement O' Ring 72x6 Bushing 400 series bolted as per sample complete all as specified and directed.

Supply and fix in replacement Triping coil as per sample complete all as specified and directed.

Supply and fix in replacement 3 pole over current + earth fault relay as per sample complete all as specified and directed.

Supply and fix in replacement CT of Ratio – 150-300/1-1A 2.5VA,5P10, Tape insulated complete all aspecfied and directed.

Supply & fix in replacement current transformer (CT) of 33 KV Single Phase, outdoor type, CT ratio 250/1 Amps and 125/1 (dual core one for metering and other for protection) having 16 VA burden and class 5P-10 protection complete all as specified and directed.

Supply, installation, testing and commissioning of a set of 3 Nos lightening arrestors, station class Single Pole Non linear resistor type, as per IS 3070 with all fittings, discharge capacity 10 KA, rating 30KV(rms) suitable for 33 KV , grounded neutral link system fixed on channels, cross arms including connecting to over head line and up to earth pit complete all as specified and directed.

Supply and fixing in replacement outdoor, 33 KV Potential transformer ( 33 KV, 1 Phase , Multi ratio- multicore ) consisting hot dipped electro plated galvanised chanel iron base complete all as specified and directed.

Supplying and fixing in replacement outdoor, triple pole, gang operated switch rotating type switches horizontal mounting consisting of hot dipped electro plated galvanised channel iron base with drop out fuse having 9 no Insulators 33 KV, copper/copper alloy tinned contacts, copper or chromium plated MS arcing chains capable of making and breaking the magnetising current complete with all connecting accessories with locking arrangment and drop out fuses working voltage 33000 Volt 400 Amps including testing complete all as specified and directed by Engineer -in-Charge .

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m in depth and getting out in soft and loose soil for errection of HT/LT poles laying of HT/LT UG cables and stay assembly complete all as specified and directed by Engr-in-charge.

Excavation in trenches not exceeding 1.5m wide and exceeding 1.5m in depth but not exceeding 3m and getting out in soft and loose soil for errection of HT/LT poles laying of HT/LT UG cables and stay assembly complete all as specified and directed by Engr-in-charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm. in any type soil complete all as specified.

Removing excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point and entire satisfaction of Engnr-in-Charge complete all as specified and directed

Sand cushioning to under ground cable laid in trenches for laying of HT UG cable 8 cm depth before laying the cable and 15 Cm after laying and punned down to depth of 10 cm as per MES SSR Part -I ( 2009) all as specfied and directed.

M&L for Un-reinforced precast concreate cable cover of size 300x180x40 mm for protection cable, laid transversally along the length of cable complete all as specfied and directed.

Brick covering with width equal to length of brick as mechanical protection to cables with well burnt sub class ‘B’ (old size) bricks laid dry flat all as directed.

Supply and laying fixing and jointing XLPE cable insulated,armoured, heavy duty electric cable with aluminium conductor,11000 volts grade, cross-sectional area 185 Sqmm 3 core complete all as specified and directed .

Supply and laying fixing and jointing XLPE cable insulated,armoured, heavy duty electric cable with aluminium conductor,11000 volts grade, cross-sectional area 95 Sqmm 3 core complete all as specified and directed .

Steel tubing galvanized(Light grade)100mm bore conforming to IS -1239 for passing cable under road /floor or fixing to poles for protection of underground cable complete all as specified and directed..

Steel tubing galvanized(Light grade)80mm bore conforming to IS -1239 for passing cable under road /floor or fixing to poles for protection of underground cable complete all as specfied and directed.

Supply, laying, jointing and testing XLPE insulated PVC sheathed armoured under ground cable heavy duty with aluminium conductor LT 1100 V grade cross sectional area 240 Sqmm 3.5core, complete all as specified and directed by Engineer-in-Charge

Supply, fixing and erection truly in vertical position steel tubular swaged poles complete with cast iron base plate, finaial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.00m long) including painting with two coats of synthetic enamelled, and making alternate white & black strips each 30cm wide upto 1.5 m above from coping including taking down old PCC pole complete all as specified and directed.

Steel tubular swaged pole type 410 SP-31 (09 mtr long) with 300x300x6mm mild steel plate continuously welded to pole , finial taper plug, bolts, nuts and screws complete all as specified and directed including painted with black bituminous paint internally and externally with anti corrosive paint in alternate black and white strips 30 cm each up to 1.5 mtr height from top edge of concrete and remaining pole with two coats of aluminium paint over a coat of red oxide primer including taking out old PCC pole also writing the number etc complete all as specified and directed by Engineer-in-charge. Note: Excavation and Earth work, PCC in foundation and copping shall be measured and paid separately.

PCC 1:4:8 type D-2 (using 40mm graded crushed stone aggregates) as in foundation filling and mass concrete for foundation of pole/stays etc complete all as specified

PCC 1:3:6 type C-2 (using 40mm graded crushed stone aggregates) as in foundation filling and mass concrete in foundation for pole/stays etc complete all as specified

PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregates) as in coping/above ground level around the pole etc including necessary formwork complete all as specified.

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, 150mm height, 150mm dia for 33000 volts grade complete all as specified.

S&F in reapir Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height, 150mm dia for 11000 volts grade complete all as specified.

S&F in reapir Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, white, brown or green Single disc assembly for tension with tension clamps for conductors working pressure 11000 volts grade complete all as specified and directed.

Restringing of HT 11 KV line overhead line conductor comprising of any size ACSR conductor after opening from insulators, including restringing same and winding on insulator with proper size of binding wire upto permissible sag including cutting of tree branches and trimming of smaller branches of tree any size touching to OH line with out damaging the same complete all as specified and directed.

Painting of 9/11 mtr long steel pole with cross arms, clamp of any length and shape for HT overhead line with two coat of aluminium paint including preparation of the existing surface including marking pole numbers in a 20 cm dia yellow circle & marking three black & two yellow bends width 30 cm by fluorescent paint, from bottom of pole to 1.5 Mtr height, complete all as specified and directed.

M&L in replacement, for HT lightening arrester metal oxide type (gap less) for out door use complete with all fittings and fixing arrangements transmission class discharge capacity 65 kilo amps suitable for 11000 volts including brackets, clamps,nuts, bolts ,washers and connecting to earth wire 4mm dia GI comp lete all as specified and directed with manufacturers test certificate complete all as specified and directed.

M&L for replacement of 33KV jumpers with DOG conductors at pole by new one, with PG clamp including nuts and bolts/ connector for fixing/tightening two conductor of equal or unequal size as directed by Engr in charge

M&L for painting of all fencing around HT RMU/ Bus bar/ LT Pannel , Transfomer with Aluminium paint , complete all as specfied and directed. Note : The quoted rate include the painting of Pole including channel/Angle complete all as specfied and directed.

M&L for replacement of 11KV jumpers with WEASEL conductors at pole by new one, with PG clamp including nuts and bolts/ connector for fixing/tightening two conductor of equal or unequal size as directed by Engr in charge

Repairing of DC Battery charger of batteries backup for supply to relays for smooth functioning of control relay including replacement of worn out wiring and replacement of other defective parts complete all as specified and directed. Note. Cost of control wiring up to VCB panel shall deemed to be inclusive in quoted rates.

Taking out unserviceable batteries from DC battery bank float cum boost charger and S&F with 2 Volts 100 AH new maintenance free batteries dry type complete all as specified and directed.

Supply and fix 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, 25x 20 cm

Supply and fix 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 LT, 25x 20 cm

M&L for route indicator made out of PCC Solid block type B1 1:2:4 using 20 mm graded aggergrate set in cement Mortar 1:4 of size 30x45 cm above ground level and 25 cm below ground level for HT/LT cable including excavation in any type of soil and other civil works mentioning the size of Cable with paint on PCC block as per direction by Engr-in - charge complete all as specified and directed.

Switch air break gang operated (Swing out expulsion ruse insulators), tripple pole mechnical operated from ground level mounted on insulator and steel frame (15 insulators type) out door type suitable for vertical installation single break provided with locking arrangement consisting of MS channel HT post top insulator with drop out fuses operating rod 20mm dia GI medium grade pipe worked from ground levelconfirming of IS 1818 of 1972 and contineous current rating upto 200 amp and volt 11 KV complete fixed "as in repairs" including taking down old one all as specified. (Make: BHEL/PACTIL)

All as per srl item No 66 above but of current rating 400 amps.

Earthing complete with galvanised mild steel earth plate electrode 60x60cmx6mmthick buried directly in ground preferably in vertical position (Earth pit not less than 2.25 mtr below ground level) with top edge of the earth plate not less than 1.5 mtr below normal ground level connected to galvanised iron strip of size 32x6mm by means of bolts, nuts, check nuts and washers of galvanised iron including PCC pit 1:2:4 type B-1 pre cast RCC cover slab of size 550x550x75mm with suitable built in handle made from 12mmdia MS round bar, excavation and earth work in any type of soil 20mm dia bore medium grade galvanised iron water tubing fixed with cast iron funnel and wire mesh at one end and 15mm bore light grade galvanised iron protection pipe for earth lead wire upto 5m length, charcol, common salt complete all as shown in electric plate No 3 of SSR 2009 Part I connected to equipment complete all as specified and testing on completion

M & L heat shrink cable end joint suitable termination outdoor type for 3 core cable XLPE with aluminium conductor 11000 volt graded (earthed) of cross sectional area 50 to 95 sqmm complete. Kit with all accessories and jointing material and testing after jointing.

Description same all as per srl item No 69 here-in-before but for cable of cross sectional area 120 to 185 sqmm outdoor type

Description same all as per srl item No 69 here in before but outdoor joint for cable of cross sectional area 240 to 300 sqmm

M&L Stay assembly galvanised iron complete with accessories stay rod 18mm dia, 180cm long with two nuts, stay bow 14mm dia and 38cm long with stay plate 300x300x6mm thickmild steel stay thimble and required length including binding to insulator stay bow and stay clamp galvanised iron stary strand wire 7/4mm dia complete all as specified and directed.

MS Framed work as in framed structure (around 4 pole/2 pole/ LT pannel/ Transformer) guard bars, framed balusters and similar works complete including PCC work as in foundation complete all as specified.

Expended metal cut to length, bend to required shape weight not less than 4 kg/Sqm and laying with and including annealed MS wire or welded to steel members complete all as specified.

Labour and tools for trimming tree branches up to 100 mm grith of any location around existing HT/LT OH lins giving clearance of 1.5 m on all sides after arranging shut down and taking all precaution while working on lines incl all T&P required for the purpose complete all as specified and directed by Engineer-in- charge.

Material and labour for supply, spreading and leveling evenly (any thickness) 20 mm graded stone aggregated complete all as specified and directed.

Material and labour for supply, spreading and leveling evenly (any thickness) 40 mm graded stone aggregated complete all as specified and directed.

Supply and install HT bus bar chamber 11 KV, factory made, weather and vermin proof having size 90x90x60 cm made out of 3mm thick MS sheet with 200 Amp rated bus bar and with 11 KV pedestal type HT insulators 6 No with angle iron frame of size 75x75x6mm duly painted with two coats of enameled paint and necessary PCC work for foundation complete all as specified and directed by Engineer in charge.

S&F in replacement HT 11 KV volts grade overhead Arial Bunch Conductor having phase conductor of stranded compacted circular aluminium, Conductor screen of extruded semi conducting compound, XLPE insulated, Insulation screen of semi conducting compound, overall Metalic screen of copper type, extruded PVC type ST2 sheathed, twisted armoured bare aluminium alloy messanger conductor generally as per IS-7098/P-2 on existing poles 3-core X 95 sq mm + 1 x 70 sq mm

S&F commissioning and testing of CPRI approved outdoor cubical type LT Feeder pillar box suitable for 415 volts 3 phase 4 wire, 50 HZ AC supply system, floor mounted, outdoor type factory fabricated duly power coated inside and outside, outer cover made out of 3.15mm thick CRCA sheet, internal cover and partition made out of 2 mm thick CRCA sheet with angle iron 50 mm x 50 mm x 6 mm covered from all side with front and back openable, weather proof including suitable size rating aluminium bus bar for 3 phase 4 wire system, wiring with suitable size copper cable and embedded in brickwork in CM 1:4 not less than 60cm above ground level with suitable foundation for fixing panel of required size in ground with nuts, bolts and washer etc. including comprising of following incluidng taking out the old unserviceable panel complete all as specified and directed by Engineer-in-Charge. Note:- Feeder piller box shall be mounted on brickwork in CM 1:4 not less than 60 cm above ground level with suitable foundation, rendering 15 mm in CM 1:6 and applying two coats of cement base paint and the rates shall be inclusive in the quoted rate. Incoming :- (a) MCCB 630 Amp 4 pole 36 KA Adjustable Thermal & Adjustable Magnetic setting , Ics = 100% of Icu - 01 Nos (b) Alum bus bar 1000 Amp TPN - 01 Set (c) Multifunctional meter showing V , Hz, I with suitable PT and CT (d) Indicator lamp LBD type (RYB) complete with bakelite fuse fitting- 01 set Outgoing :- (a) MCCB 4 Pole, 250 Amp, 25 KA,Adjustable Thermal & Adj Magnetic setting , Ics = 100% of Icu- 05 Nos (b) MCCB 4 Pole, 200 Amp, 25 KA, Adjustable Thermal & Adj Magnetic setting , Ics = 100% of Icu- 02 Nos

Feeder piller box out door type ‘factory made’ made out from 16 SWG MS sheet supported with legs of 45cm long made of iron angle 25x25x4mm thick of size 75cm x60cm x45 cm with 04 Nos aluminium bus bar of 400 Amps mounted on porcelain insulator duly drilled hole for cable connection including front and rear side opening with locking arrangement, with MCCB FP 250 Amp, 25 KA, 415 Volts 50 Hz with adjustable thermal and adjustable magnetic setting and provn for incoming and outgoing cables with glands including painting with two coat of smoke grey synthetic enamel paint over a coat of red oxide primer, complete all as specified and directed by Engineer-in-Charge Note:- Feeder pillar box shall be mounted on brickwork in CM 1:4 not less than 60 cm above ground level with suitable foundation, rendering 15 mm in CM 1:6 and two coats of cement base paint and the rates shall be inclusive in the quoted rate. Note: The work under subject BoQ (item No. 1.00 to 82.00 ) are meant for maint of External Electric Supply in Nagrota Mil Stn ( Including Katra, Sanjhi Chat, Charli Hill ). The work shall be executed on ground on required basis. Contractor responsibility is to liase with the department concerned for HT supply shut down required to carry out the work & also ensure the safety of labour employed by giving them safety equipments like helmet, gloves, safety belt , discharge rod etc and nothing extra shall be permisissible in this account.

MAMTA ENTERPRISES (BID ID -3416267)

M/S VIRENDER SADHOTRA (BID ID -3409684)

PROACH ASSOCIATES BUILDERS & ENGINEERS (BID ID -3409448)

FANGALIA TRADERS (BID ID -3416095)