REPAIR/MAINTENANCE OF HT LINE, VCBs, HT CONTROLLING DEVICES AND PRUNING OF TREES 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 particles 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 2mm Gap and shall be conforming 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 dielectric strength oil shall be replaced with new oil (new oil for topping/or for replacement shall be measured and paid separately under appropriate item of sch 'A') here-in-before. Note : a) Filtration 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.

Repair/ Replacement motor charging gear of VCB 11 KV 3 Phase 800/630 Amp complete all as directed.

Repair/replacement lifting lock in and out of VCB 11 KV 3 Phase 800/630 Amp complete all as directed.

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

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

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

Repair/Replacement of TNT switch suitable for VCB 11 KV 3 Phase 800 Amp complete all as directed.

Supply and fix auxiliary switch suitable for Existing VCB complete all as specified and directed by engr in charge .

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

S&F 2.5 sqmm, 4 core copper multistranded cable 1100 V after taking down carefully old unserviceable cable complete all as specified and directed.

Repair / 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 Engr in charge.

Repair / replacement of electronic hooter suitable for 11 KV C&R panel as per sample and make complete all as per specified and directed by Engr in charge.

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.

Repair/ Replacement 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.

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 Engr in charge. Make Aashida ADR 141 A , Siemens , C&S

Repair/Replacement 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 Engr 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 Engr in Charge.

M&L for Maintenance and complete overhauling of 33 KV VCB of existing make/ type/mode/capacity 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 invented 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 deemed 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, complete specified and directed by Engr 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 Tripping 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 as specfied 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 erection of HT/LT poles laying of HT/LT UG cables and provn of stay assembly complete

All as per Item No- 36 here in before but depth beyond first 1.5 m and not exceeding 3 m

Returning, filling in, including spreading levelling, watering and well ramming in layers not exceeding 25 cm thick 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 Engr-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.

Supply and laying 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 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, fixing and erection truly in vertical position steel tubular swaged poles complete with cast iron base plate, finial 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 one complete all as specified and directed.

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

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

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

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 fixed "as in repairs" complete all as specified.

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 fixed "as in repairs" complete all as specified.

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 fixed "as in repairs" 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 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 silver colour 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 suitable for recharge of batteries 2 Volt 160 AH 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, 25 x 20 cm, complete all as specified.

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, 20 x 15 cm, complete all as specified.

Supply & fixing in position cable path indicator made out of MS sheet of thickness minimum 10mm circular in shape duly embossing the words " HT cable" fixed on MS angle iron of size 35x35x4mm, at a distance of every 50 mtr & painting the indicators with 2 coats of synthetic enamel paint (Silver colour) over a coat of red oxide primer complete all as specified and directed.

Supplying, stringing and fixing in repair GI continuous GI earth wire of size 4 mm / 3.15mm dia on HT poles as in cradle guards / earth wires etc including dismantling & taking down of existing worn out / unserviceable GI wire of any description /size & in any position from existing HT Lines including cradle guard wires complete all as specified & 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.

All as per srl item No 65 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 32x4mm 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 68 here-in-before but for cable of cross sectional area 120 to 185 sqmm outdoor type

Description same all as per srl item No 68 here in before but outdoor joint for cable of cross sectional area 240 to 300 sqmm

S&F Multifunction Energy Meter with Next Gen Features like Harmonics & Min/Max Monitoring with specification of 33 KV/110 Volt installed at main incomer of 33 KV with different wiring configuration scheme and showing the detail of Volt/amp/PF/Kwh/Kvah , VA, Vah, Var, Varh complete all as specfied and directed. Note : The Contractor has to liaise with JKPDD for installation of energy meter and make it fully functional and connected with existing CT/PT. The quoted rate include the wiring of energy meter connected with existing CT/PT

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.

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 diected by Engineer-in- charge.

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

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

Note:- 1) The work under this schedule (Item No. 1 to 75) are meant for maint of External Electric Supply in Nagrota Mil Stn (including Katra, Sanjhi Chat, Charlie Hill). The work shall be executed on ground on required basis. Contractor responsibility is to liaise 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. 2) Schedule of credit Rs. 1,09,234.00 will be deducted from total amount quoted while accepting the bid. Details of schedule of credit is given in tender documents.

MAMTA ENTERPRISES (BID ID -3131668)

M/S JIWAN SINGH (BID ID -3122230)

SURAT SINGH AND SONS (BID ID -3131281)