Tender For Provision Of Installation Of 250 Kva Transformer Under Age (I) Bhalra.; 1 Supply, installation testing and commissioning outdoor distribution type step down transformer 11000/433 volts (at no load), AC 4 wire, 3 phase 50 HZ of capacity 250 KVA, core type double copper wound, oil immersed, naturally cooled, oil natural, Air natural(ONAN) with external cooling fans, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol, DYN 11 (Vector Group) with neutral brought out on secondary side (LV) and having tapping at 2.5% to 7.5% HV side to be changed by means of hand operated off load tap change gear. The maximum temperature rise should nor exceeds 45 degree celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be IS: 1180-2014 Part-I (Level –II) marked and shall comprises of the following :- 2 (a) 3 Nos porcelain bushing with arcinghorn on HV side suitable for 11 KV completewith bushing, copperrods nuts and washers.(b) One cable box on LT side (Secondaryside) consisting of four nos porcelain bushingwith copper rods, complete with nuts andwashers, with 02 nos cable gland suitable forreception/taking out XLPE insulated heavyduty armoured cable including gland, joint andjoining materials completed.(c) Oil conservator with filter type drainvalve and oil level gauge.(d) De-hydrating with first fill dehydratingagent(Silica gel).(e) Explosive vent.(f) Thermometer pocket on tank cover.(g) One Nos 100 mm dia, dial typethermometer, vapors pressure type, havingrange 0-120 degree Celsius with metal guardhaving maximum perimeter readingtemperature indicator with resisting devicetransformer.(h) Two earthing terminals on tank cover tofacilitate fixing of 32 x 6 mm galvanized inearth strip for earthing of neutral & body.(j) Rating plate and terminal making plate.(k) Oil level gauge.(l) Oil drain / filter valve(m) Lifting lugs.(n) Oil filling hole with cap/plug withconnecting plate connecting plate completed.(o) Air release valve plug.(p) Four plain solid cast steel detachablerollers.(q) Extra bushing for neutral, outside the LTcable box for providing independent earthingfor neutral.(r) First filling of new and unusedtransformer oil conforming to IS-35/93 (Fourthrevision) markedfiltered and tested up to 60 KV dielectricstrength at 2.5 mm air gap between testing. Note : Certificate of dielectric strength shall besubmitted by the contractor after filling the oil 3 M&L Steel Tubular swaged polestype 410 SP-55 (11.0 mtr long) conforming to IS : 2713 Part-I to III 1980, complete with 6 mm thick mild steel base plate, finial taper plug, MS bolts, nuts, screws including painting upto 1.5 metre above PCC coping in black and white strips 05 Nos of 30cms each starting from the bottom of the pole and two coats epoxy based paint aluminium grade finish to the remaining external surface over one coat of primer completeall as specified and as directed. 4 M&L Steel Tubular swaged polestype 410 SP-31 (9.0 mtr long) conforming to IS : 2713 Part-I to III 1980, complete with 6 mm thick mild steel base plate, finial taper plug, MS bolts, nuts, screws including painting upto 1.5 metre above PCC coping in black and white strips 05 Nos of 30cms each starting from the bottom of the pole and two coats epoxy based paint aluminium grade finish to the remaining external surface over one coat of primer complete ill as specified and as directed. 5 Supply & fixingstreet light fitting of minimum 60 Watt LED made up of pressure die cast aluminum housing with high power LED as lighting source and lens embedded PCC cover having top opening separate driver compartment with IP 66 protection and impact resistance of IK07 with 10KV built-in surge protection deviceall as specified and as directed. 6 Supply and fixing street light Bracket made out of 40 mm bore GI tubing light grade 1.2 mtrs long bend to shape by welding complete with 02 Nos clamps made of MS Flat Iron of size 40X5 mm all as required at site or directed by Engineer-in-charge. 7 S& Ffactory made FRP typejunction boxfor street light complete with fixing arrangementfor MCB SP 6 amp & including two Nos Al bus bar of suitable capacity and locking arrangement complete all as pecified & directed by Engr- in- Charge. 8 Supply and fix with security lights and Junction Box 1.5 sqm x 3 core unarmoured sheathed copper cable. 9 Supply and fix stay assembly using GI stay rod 20 mm dia complete with stay plate mild steel of size 300x300x6.00mm thick, stay bow complete all as specified and shown in Electrical Plate No 1including stay wire, clamps etc. complete all as specified and directed.Note :Necessary earth work,and PCC shall be measured and paid for seperately. 10 Supply & fixing lightening arrestor, expulsion type consisting of multiple spark gaps in series with one or more non linear resistor to limit voltage surge on AC power circuit to interrupt power flow current suitable for outdoor installation and exposed direct to sun with ambient temperature below - 10 degree C to 50 degree C suitable for surge discharge capacity 65 KA, 11000 volts grade conformign to IS-4350 including all fittings, complete all as specified & directed. 11 Supply & fixing in replacement Switch air break, gang operated, triple pole, mechanically operatedsuitable for horizontal or vertical mounting, fixed type,mountedoninsulatorandsteel frame with operating mechanism workedfromgroundlevel,provided with locking arrangement for operating handle, consisting of MS channel, HT post type insulator, contacts of copper alloy, high pressure, heavy duty contact assembly,operating rod of 25mm dia GI pipe medium grade, drop out expulsion assembly of phases fuses etc conforming to IS:1018 of 1972 with continuous current rating with 15 insulators ofcurrent rating upto 200 amps 11000 volts grade, complete all as specified & directed. 12 Material & labour for earthinggalvanized steel earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr depth below normal ground level) with top edge of earth not less than 1.5 mtr below normal ground level connected to and including galvanized steel strip 32 mm x 6 mm as earth lead upto equipment by means of steel bolts, nuts, check nuts and washers, test point made of GI strip 40x8mm, 10cm long PCC 1:2:4, type B-1 in pit with precast RCC 1:2:4 type B-1 in cover reinforced with XPM not less than 4 Kg per Sqm with 40mm bore GI light grade protection pipe, 20mm bore GI medium grade watering pipe with funnel including charcoal, dust, salt, all as shown in electric plate No 3 of SSR Part-I (2009) Specifications, complete with necessary earth work in any type of soil, removal to a distance not exceeding 50 mtr. On testing after completion if the desired earth resistance is not obtained the earthing will be redone at no extra cost. 13 Supply & fixing in replacement earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required of galvanised steel strip of 32mm x 6mm to connect earthpit to electrical equipment room, complete all as specified & directed. 14 Material & labour for earthing of galvanized steel earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 mtr depth below normal ground level) with top edge of earth not less than 1.5 mtr below normal ground level connected to and including earth lead wire 4.0 mmby means of steel bolts, nuts, check nuts and washers, test point made of GI strip 40x8mm, 10cm long PCC 1:2:4, type B-1 in pit with precast RCC 1:2:4 type B-1 in cover reinforced with XPM not less than 4 Kg per Sqm with 15mm bore GI light grade protection pipe, 20mm bore GI medium grade watering pipe with funnel including charcoal, dust, salt, all as shown in electric plate No 3 of SSR Part-I (2009) Specifications, complete with necessary earth work in any type of soil, removal to a distance not exceeding 50 mtr including testing on completion complete all as specified & directed. 15 Supply & fixing earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required of galvanised wire of 4mm dia to connect earthpit to electrical equipment room, complete all as specified & directed. 16 Supply and stringing ACSR conductoras required at site to LT over head lines , stretching properly to achieve proper sag including binding to insulators using GI/alumn binding wire all as required at site or directed by Engr-in-Charge. 17 Supply & fixing disc type insulator porcelain vitreous white, brown or green 145mm high and 255mm dia ball and socket type, single disc assembly for tension with tension clamp for conductor of working pressure 11000 volts, complete all as specified & directed. 18 S&F Pin type porcelain, vitreous white, brown or green insulator including one galvanized mild steel spindle, two galvanized iron washers and one galvanized iron nut, 100mm height, 65mm dia for 1100 volt complete all as specified and directed. 19 Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size95sqmm 20 Supply and fix cable jointing kit for 1.1 KV grade cable for outdoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size95sqmm 21 Supply and fix 11 KVCTPT metering unit , type outdoor oil cooled , pole mounted , CT Ratio:5/5 A , Burden 10 VA, Class-0.5 S , STC -3 KA/1 Sec and PT Ratio 11KV /110 V, Burden -0.50 VA, Class-0.5 S, insulation -12 KV/28KV all as per IS-2705/1992 and IS-3156/1992 all as specified and as directed. 22 Supply & fix Trivector meter three phase four wire TVM 110 Volt , PTR 11 kv/110 V , 5A class 0.5 S for active and 1 S reactive with water proof box and suitable copper cable for connection from CT PT Unit including testing to the satisfaction of SED in presence of their rep & cost of the same deemed to be included in quoted rates. 23 Supply, installation, testing and commissioning sheet metal enclosure out door type, weather proof for Energy Meter Factoryfabricated from 3.15 mm thick CRCA sheet, compartmentalized design, suitable for downloading data from meter to AMRI without opening panel with suitable locking arrangements, of size not less than 0.60 x 0.45 x 0.30 mtr including suitable clamp fitted to poles as required at site or directed. 24 M&L for cross arms, bracings, supports, clamps and back plates fabricated from 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 ofone primer coat, one under coat and one finishing coat of alumnium paint. 25 Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm. 26 Excavation in trenches in any type of soil not exceeding 1.5m wide and not exc 1.5m in depth for foundation etc or for shafts, wells, cellpits, manholes, pier holes etc not exceeding 10 Sqm on plan and not exceeding 1.5m in depth and getting out complete all as specified and directed. 27 All as per Srl item No 25 here-in-before but depth exceeding 1.5m and not exceeding 3.0m 28 Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick each layers complete all as specified and directed by Engineer-in-Charge 29 Removing excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed by Engineer-in-Charge 30 Supplyandlayingdryriversandlaidintrenchesascablecushioning 80mm below and 150mm above the cable and punned to 180mm andcoveringall asdirected.Note : Only punned thickness will be measured and paid. 31 S & L brick covering with width equal to length of brick as the mechanical protction to cable with well burned sub class B laid in trenches flat complete all as specified and directed. 32 M&L for cement concrete 1:4:8 type D2(using 40mm graded crushed stone aggregate) forbase of foundation of pole / stay including form work etc.all as specified and as directed. 33 Material and labour for PCC 1:2:4 type B1 using 20mm graded crushed stone aggregate as incoping of pole, including necessary form work complete all as specified and Engineer-in-Charge. 34 Material and labour for GI tubing light grade 80mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.(clamps for fixing pipe, nuts, bolts washers shall be measured separately ) 35 Material and labour for GI tubing light grade 40mm bore with fittings laid for protection of cable under road crossing fixed to walls or pole complete all as specified and as directed.(clamps for fixing pipe, nuts, bolts washers shall be measured separately ) 36 Supply, installation, testing and commissinoning LT panel board suitable for working on 3 phase ,4 wire ,415 volts AC, 50Hz ,outdoor cubical type,CPRI approved, Outer shell shall be made out of 3.15mm thick CRCA sheet & MS angle iron frame duly powder coated of size 50x50x6 mm frame, with front & back open, double door system lockable, inner shell shall be made out of 2.0 mm thick CRCA sheet and completely vermin & dust proof, entry holes for incoming & outgoing cables including Glands as approved drawing before manufacturing of Panel by Engr-in-Charge. Panel shall have bus bar chamber and switch gear compartment, hinged door with rubber gasket, earthing terminals, bus bar capacity 600 amps and consisting of following:-Incomer MCCB(a)4 Pole MCCB 400 Amp, 50 Hz, 415 V with rupturing capacity 36 KA Nos-1Outgoing MCCB(a)4 Pole MCCB 100 Amp, 50 Hz, 415 V with rupturing capacity 36 KA. Nos-2(b)4 Pole MCCB 160 Amp, 50 Hz, 415 V with rupturing capacity 36 KA. Nos-1(c) MCB TPN 32 Amp, 50 Hz, 415 V with rupturing capacity 25 KA. Nos-2(d) MCB SPN 32 Amp, 50 Hz, 230 V with rupturing capacity 16 KA. Nos-05(e)Digital Multifunction meter with LED display- 01 Nos(f)LED phase indication lamps RYB-01 set(g)Copper Bus Bar rating 600 amps including Painting etc. 37 Supply & Installing ,testing and commissioning of automatic power factor correction (APFC) out door type panel board, factory-made , cubical kiosk type weather , dust & , vermin proof, CPRI approved with locking arrangement , made out of CRCA sheet of 3.15 mm thick with suitable size of channel for base complete with capacitor banks of capacity 120 KVAR reverse power relay 3 phase with tuned reactor for 250 KVA transformer outdoor type suitable for 1100 Volt 3 phase 50 Hz AC supplyconnected with suitable size thimbles/lugs, PVC insulated multistranded copper wire of suitable size with PVC flexible conduit medium quality as required comprising of copper bus bar 200 Amps capacity fixed on insulators to achieved power factor 0.95 and duly powder coated in siemens grey colour mounted on PCC platform of PCC 1:2:4 type B-1 using 20 mm graded aggregate on angle iron frame made of 50 x 50 x 6 mm thick angle iron duly marked with incoming , outgoing controls, completed all as specified directed and comprising of the following :- 38 (a)MCCB 63 Amps, breaking capacity 16 KA 4 pole , 415 with shunt trip coil - 01 No(b )Heavy duty Capacitor cylindrical type 120 KVAR eight stages (30 KVAR + 20 KVAR+20 KVAR+15 KVAR+15 KVAR + 10 KVAR+5 KVAR+5KVAR)including suitable size contactors and MCB and switch for auto/manual operation in case of relay failure Make : L&T/ABB/SIEMENS (EPOCS)(c)Eight stage APFC relayMake : L&T/ABB/SIEMENS(d) Inbuilt Ventilating fan of suitable size for cooling as per manufacurer recommendation(e)Current , transformer epoxy resin type capacity 200/5 , class 1 - 06 Nos.(f)Over current and relay protection-01 No Make : L&T/ABB/SIEMENS(g)Over voltage protection - 01 No Make : L&T/ABB/SIEMENS (h)Digital Multifuntional meter which shows voltage , Amps, Power Factor, and frequency -01 No(j)Indication lamps for R, Y, B- 03 Nos(k)Connected copper wiring , selector switch and locking pedestral etc.Note :-Manufacturers Test Certificate shall be submitted by the contractor alongwith purchase voucher. 39 Materials and Labour for connection cable from CT/PT Unit to trivector meter, size of cablesize 1.5 sqmm x 10 core PVC insulated unsheathed FRLScopper cable complete all as specified and as directed. Make Havells 40 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, 25x20 cm size 41 Material and labour for construction of platform for installation of transformer of size 3mx2.5mx1.5m including necessary earth work, fencing and gate complete all as shown on drg No CEUZ/TD 1516/15 Sheet (1/1) complete all as specified and directed by Engr-in-Charge.Note : Irrespective of whatever is shown in drg, the height of platform from FFL as indicated in drgs shall be 1.50 mtr. 42 Supply & fix Bus bar Panel, Size 0.80mtrx0.80mtrx0.40 mtr,Kioskoutdoor type, CPRI approved, LT 440 Volts, 50 Hz , 3 Phase4 wire supply , floor mounted factory fabricated weather and vermin proof protection class IP 54 made out of 3.15 mm thick MS Sheet CRCA on angle iron 30X30X4mm frame of size suitable to incorporate following accessories with front opening doors,locking arrangementpowder coated internally and externally, shall have channel base of appropriate size and mounted on PCC foundation of size as required or approved by manufacturers in PCC 1:3:6 typeC-2 , using 40 mm graded crushed stone aggregate as recommended by manufacturer or directed by the Engr -in - charge including earth work complete comprising of Bus bar chamber comprising 4 Nos Aluminium strip bus bars PVC insulated made of aluminium strip of size suitable for 200A current. PVC sheathed with colour coding. 43 Supply Laying, jointing with suitable thimble and cable gland, testing and commissioning or fixing in Wall or passing through pipe, 1100 volts grade heavy duty cable with XLPE insulated screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty ) with aluminium conductor cable of size 35 Sqmm 3.5 core , 1100 volts, gradeall as specified and as directed. 44 Supply Laying, jointing with suitable thimble and cable gland, testing and commissioning or fixing in Wall or passing through pipe, 1100 volts grade heavy duty cable with XLPE insulated screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty ) with aluminium conductor cable of size 16 Sqmm 4 core , 1100 volts, grade all as specified and as directed. 45 Supply & fixing through pipe, 1100 volts grade heavy duty cable with PVC insulated aluminiuum stranded conductor served with an inner sheating of PVC tape and overall PVC sheathed in service connection suspended by insulating hangers not more than 1 mtr apart including 4mm suspention wire one twin core 16 sqmm solid conductor all as specified and directed by Engr-in-Charge. 46 S&F loop type insulator vitreous porcelain white ,brown or green small size with overall dimension 65x90 mm clearance of hole 16 mm complete all as specified & directed by Engr-in- charge. 47 S&F shackletype porcelain, vitreous white, brown or green insulator including one galvanized mild steel straps,washers and one galvanized iron nut, 100 mm height, 115mm dia, 14mm boltfor 1100 volt complete all as specified and directed.
