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| 1 | Supply and install HT 33 KV , 3-Phase outdoorgang operated air break switch(Isolator), ISI Marked, CPRI tested, factory assembled, mechanically operated , mounted on insulators and steel framesuitable for 2-Pole, Horizontalmounting fixed type complete with nine numbers of porcelaininsulators( Three post insulators per pole) with Earthed Switch with post insulators , with bottom MS channel of adequate dimensions and strength, self lubricating central bush bearing , copper contacts made of ETP grade high conductivity copper and spring loaded for adequate contact pressure, duly plated to improve resistance to corrosion, All MS plate and hardware to be duly hot dip galvanized, with tin plated copper wire of adequate cross sections, operating mechanism through an insulated operating mechanism worked from ground level and mechanical locking facility, Rated Voltage-33 KV, Highest System Voltage-36 KV, Rated Continuous current-200 Amps, No of Ploes-3 Nos., Rated frequency-50Hz, Power frequency withstand voltage across the isolating distance-80 KVrms, Power frequency withstand voltage to Earth-70KVrms, Lightning Voltage withstand test across isolating distance-170KV Peak, Lightning voltage withstand test across phase to earth-195 KVpeak,complete all as specified. |
| 2 | S & F post type insulator procelain vitereous brown or white brown orgreen insulator including one galvanised mid steel spindle with one GI Nut and two washer etc of size 260mm height and 290mm dia for 33000 Volts electronic pressure, complete all as specfied. |
| 3 | Supply installation testing and commissioning oftype potential transformer with outdoor type dry type fault level of 25 KA for 3 seconds and creep age 31.0 mm/kv conforming relevant IS. (i) Winding 1 : 33KV/v3 : 110V/v3, 0.2 Class 100 VA & Winding 2 :33KV/v3 : 110v/v3, 0.2 Class 100 VA complete all as specfied. |
| 4 | Supply, installation, testing & commissioningHT 33 KV, SF6 circuit breaker 630 Amps, Minimum 21 KA ( 1 Sec) rupturing capacity 350 MVA outdoor type of having motorized mechanism with indoor remote control and relay panel SCADA Compatible, including control cables , lightning impulse withstand voltage (KVpeak)-170, Power frequency withstand voltage (dry) (KV rms)-70 withthe following :- |
| 5 | (a) The circuit breaker and earthing switches shall be lockable in the open or, closed position by suitable number of padlocks of suitable size.(b) Motorized spring charging mechanism with 110 Volt DC universal motor 200 watt ,charging time less than 15 second.(c) SF6 circuit breaker unit shall also comprising the following (i) Electrically charged and electrically operated independent closing /tripping ,trip free ,operating mechanism including manual closing /tripping push button and breaker closed/open, spring charge/discharge indication. (ii) Mechanical operation counter - 01 No(iii) Electrical closing coil operated on 110 voltsDC supply - 01 No(iv) Shunt tripping coil operated on 110 voltsDC supply - 01 No(d) Self powered solid state Numerical O/C & E/F relay for complete protection of HT, 33 KV, three phase feeder having facility to record fault current with date & time with suitable communicable port. |
| 6 | (e) Master Trip Relay duly connected with all other relays, including Bucholz , WTI, OTI and any other Trip Relay provided in Transformer. (f)Digital intelligent panel meter indicating line current, line voltage, power factor, KVAR, KVA, frequency, voltage and current harmonics etc. with accuracy 1.0 for active energy.(g) One set of indication lamp (LED) type for ON/OFF indication(h) One set of indication lamp (LED) type for spring charging and three Nos. indication lamp RYB phase indication(j) Any item comissioning & technically required for safe and proper operation of equipment shall be deemed to be included in the quoted rate.(k) Supply and Fixing Maximum Demand Controller, for sensing current from main incoming 33 KV CT and operating 11 KV SF-6 as per priority and logic to be decided by GE including all sensors, Microprocessors, control cables, relaysand trip coils all as required to ensure that maximum recorded demand do not cross the Contracted Maximum DemandNote:(a). The labour & material including transportation cost for installation and modification of existing floor/foundation /cable ductif requiredat site shall be deemed to be included in rate quoted above.(b)The SF6 breaker shall conform to all relevant IEC standards and IS standards |
| 7 | Supply and Laying in trenches / fixed to wall/ drawn in conduit /laid in floor XLPE insulatedarmored PVC bedded control cable 1100V grade with copper conductor of following cross sectional area:- |
| 8 | (a)2 Core 2.5 sqmm |
| 9 | (b) 4 core 2.5 sqmm |
| 10 | (c)8 Core 1.5 Sq mm |
| 11 | Supply installation testing and commissioning of single phaseoil type outdoor typedual core dual ratio current transformer for main incomer as well as transformer protection suitable for 33 KV , Single Phase, 50 HZ and 15 VA Burdenwith fault level of 25 KA for 3 seconds and creep age 31.0 mm/kv conforming to relevant IS including first filling oil and all as specified and directed. (i) Core 1: 100-50/1 or 5,Accuracy Class 5 P 10, (ii) Core 2: 100-50/1 or 5 , Accuracy class0.5, |
| 12 | Supply and install HT 33 KV , 3-Phase outdoortype drop out fuse assembly, CPRI tested, factory assembled on a hot dip galvanized steel cross arm suitable for mounting on steel poles, along with mounting brackets, with all contacts in ETP grade Copper and silver plated, All terminals in Brass-duly plated for connection with Copper or Aluminium Conductors, with Fuse tube holders having an outer layer of fiber glass and inner layer of bone liner, for effective extinguishing of arc,and with outer layers of fuse tube having a layer of UV resistant paint, easily replaceable fuse carrier tubes, the hinged mechanism made of brass duly electroplated, the spring loaded stainless steel flipper arranged toggle mechanism ensuring a wiping action during arc interruption process, with a safety latch to prevent fuse carrier from dropping due to vibration, Rated Voltage-33 KV, Rated Continuous current-100 Amps, No of Ploes-3 Nos., Rated frequency-50Hz, Maximum normal current of fuse base-200 Amps, Maximum normal current of fuse holder-100 Amps, Power frequency withstand voltage across the isolating distance-70KVrms, Power frequency withstand voltage to Earth and between poles-70KVrms, Lightning Voltage withstand test across isolating distance-170KV Peak, Lightning voltage withstand test across phase to earth-170 KV, Breaking Current at36 KV -4 KA, Earth Stirrup 16 KA, along with bird cap complete with one fixed and one spare set of fuses all as specified and directed. |
| 13 | Supply and erecting of a single piece non linear resistor type lightening arrestor gapless metal oxide (ZnO)suitable for 3 wire 33 KV overhead lines with rated voltage of 30 KV (rms) 10 KA discharge current with surge monitor witha (station class) with facility to record number of surge and complete with galvanized clamping arrangements clamp, bolt, nuts washers etc as required. Make: ABB/AREVA/OBLUM/Crompton Greaves |
| 14 | Supply and fixing three -in-series\" disc assembly 11KV for tension with tension clamps for conductors, for working pressure 33000 volts complete all as spiced and directed. |
| 15 | M &L for Cross arms, bracings, supports, clamps and back plates fabricatedrectangular pole structure (for 33 KV CT, PT, Gang & LA etc.) & back plates from structuralsteel sections including nuts, bolts, washers, welding, bending cold orhot, 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 paintall as directed. |
| 16 | Supply, stringing and fixing of aluminium conductor steel reinforced (ACSR) any size as directed including binding with suitable size of binding wire to aluminium conductor properly on insulators, connectors, clamps, jump ring etc & other jointing materials on newly erected post steel structure, complete all as specified. |
| 17 | S&F PG clamps flat pad connectors/substation connector made of aluminium alloy for making connection on 33 KV bus bar (OH Lines), CTs PTs, VCB etc complete all as specified and directed. |
| 18 | Supply, installation, testing and commissioning ofEnergy Efficienttransformer platformmounted, 33 KV on primary side and 11 KV on Secondary side, capacity 1000 KVA, step down, outdoor type, 50 Cycle (50 Hz), AC double wound core type copper woundoil immersed air naturally cooled (ONAN) type with external cooling tubes winding shall be made with 99.9% pure electrolytic grade copper as per IEC 60076, transformer delta connection on primary side (33KV) and star connection on secondary side (11 KV) in accordance with vector symbol DYn-11 and having taping at of +5.0 %to -10% in equal steps of2.5% changed by means of Off load load tap changing arrangement. The voltage regulation shall be as per IS. Transformer oil shall be as per IS 335:1993. The limit of temperature rise after continuous full load run as specified inIS 2026, shall be suitable adjusted to suit the maximum ambient temperature prevailing at site(BKT near Lucknow) all as specified. The transformer shall be completed with following fittings and accessories:- |
| 19 | (a) Cable boxes on 11 KV secondary side suitable for connecting upXLPE cable up to 2x300 sqmm x 3 core cable end.(b) HV bushing with arching horn on 33 KV side.(c) Oil conservator with filling hole, cap,drain valve and oil level gauge.(d) Dehydrating breather with connecting pipe along with first fill of dehydrating agent and oil seal.(e) Explosion relief vent mounted on tank with double diaphragm and equalizer pipe connection to conservator air space (pressure release device)(f) Air release plug(g)Shutoff valve between the conservator and bucholz relay(h)Drain valve with threaded adapter.(j)Filter valve with threaded adapter (Top and bottom)(k)Thermometer pocket.(l) Inspection cover.(m)Jacking pads, handling and lifting lugs.(n) Roller type four Nos. Wheels.(o) Rating plate and terminal marking plate.(p)Extra bushing for neutral brought outside the secondary side for neutral earthing.(q) Hand hole of sufficient size to assess the interior of the tank |
| 20 | (r) First filling of transformer oil.(s) Cover lifting eyes.(t) Double float Bucholz relay with trip and alarm contacts(u) Pressure release valve with one set of trip contact(v) Marshalling box containing Oil temperature indicator and winding temperature indicator(w) Earthing Pads, Monogram plate(x) 150 mm dial type thermometer for oil temperature indicator having range 0-120 degree centigrade vapour pressure type with maximum reading pointer/Max temperature indicator and resetting device with alarm/trip contact and additional contacts for switching on or the cooling fan(y) Winding temperature indicator 150 mm dia with 2 Sets of contacts alarm + trip(z) Shut off valve between cooling tubes and tank.(aa) Platform constructed with PCC/Brick Work and finished with cement plaster in C:M 1:4 all as per manufacturer\"s recommendations including working space all around as per IE Rules-1958.(ab). The oil temperature and winding temperature gauges shall be housed on a MS boxand size shall be 0.6Mx0.6Mx0.3M with hinged door and having glass 3 mm thick front side of the box and provision for entry of cables and compression glands.(ac). Necessary control cables and all other required accessories to connect, Buchholz Relay, WTI, OTI and any othertrip coils with indoor control Panel of 33 KV VCB . |
| 21 | Supplying, installation, testing & commissioning of 11 KV , motorised Ring Main Unit (RMU )indoor typeboth end extensible 2 way floor mounted, SF6 insulatedmotorised panel with internal copper bus bar and snap fit/ plug in bushing type arrangement consisting of2 Nos ( 1 incoming,1 bus coupler) 630 Amps ,minimum 21 KA Rupturing CapacitySF6 gas insulated circuit breaker having SF-6switch gearstainless steel robotically ITIG/MIG welded enclosure with copper bus bars the coupling should be at the top of RMU through bolted connection & Sleeves bus bars covered with insulated boots. All live parts, bus bar , SF-6 circuit breaker will be enclosed in steel tank filled with SF6 circuit breaker at 1.4 bar with IP class IP 67 , leak rate less than 0.1%per year and tested for internal arc 20 to 25 KA for 01sec as per latest IEC 62271-200. with and including following accessories/work |
| 22 | (a) Dismantling existing HT 11KV RMU Panel having SF-6 switch gear for inserting new RMU panelshifting a side to make place for insertion of 2 Nos SF 6 breaker HT panel refixing the same and connecting with new and existing panel properly integrated as mentioned in drawing including all accesseries required and testing complete panel(b) All SF-6 circuit breaker shall be motorized with 110 V DC control voltage to operate two position double spring mechanism. Each VCB shall have green (on)/ Red (off) push buttons to operate & Live cable LED indicators through voltage dividers mounted on the bushing.(c) Theearthing shall be provided in each cable compartment to provide solid earthing for the cable shield . Each SF-6 circuit breaker (except bus Coupler) incomingshall be equipped with digital MFMto measure Amps , Volts , Frequency, PF, KWH , KVAR etc & 3 O/C +1 E/F self powered numerical protection relay with low and high set for over current and Earth Fault . Relay should have facility to display the maximum loaded phase current also. Relay shall record minimum 5 faults records with time stamping or as per manufacturer design.(d) The switch gear shall have built in programming logic using reputed make PLC for automatic changeover between two motorized incomer SF-6 Circuit breaker & one bus coupler SF-6 and shall derive voltage reference from incoming supply in respective incomer.(e) PLC shall also be wired to all SF-6 to monitor open/close status . The unit shall be supported with power pack of 110 Volt battery with battery charger (110 volt DC output ) for supply backup for PLC & motor operation . The unit shall include the following with all necessary standard fitting required at site. |
| 23 | (f) (i) supply and fixing SF-6 circuit breaker should have along with off load isolator and fault making type earthing switch. Resin cast ring dual core dual ratiotype CT\"s 100-50/1 or 5, Protection Class 5P10- & Metering 100-50/1 or 5, CI 1.0-1 set on each incoming.(f)(ii) One No Bus coupler SF-6 between two incomer with LED type Indicators for On OFF, RYB type Phase Indicators, without CT. PT and Relays(g) M&L formain wiring and inter locking wiring with accesseries of inter lock connection of bus coupler with 2 Nos incoming complete all as directed.(h) One Nos. Air insulated metering module 12 KV , 630 Amps with three single pole potential transformer 11 KV/route 3 /110v/route 3 , 25 KA class 1.0 with HT fuses in the primary and MCB on the secondary side with removablefront door with locking arrangement to avoid unauthorized access. CFL lamp for illumination, space heater with thermostat & R Y B phase indication(j) One Nos. Air insulated metering module 12 KV , 630 Amps with three single pole potential transformer 11 KV/route 3 /110v/route 3 , 25 KA class 1.0 with HT fuses in the primary and MCB on the secondary side with removablefront door with locking arrangement to avoid unauthorized access. CFL lamp for illumination, space heater with thermostat & R Y B phase indication(k) Any civil work required for installation of panel.Note:(i) Configuration and Schematics arrangement of RMU with existing shall be made. (ii)The existing panel are ofSchneider make and proposed panel should refixing with existing panel. (iii) Drawing Shall be got approved from Garrison Engineer before fabrication |
| 24 | M&L for Earthing complete with Copper earth plate 600mm x 600mm x 3.15 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to Copper strip 20 x 3 mm as Earthing lead by means of bolts, nuts, check-nuts, and washers of galvanized iron or steel beside welding at all joints as shown in drawings and including excavation and earth work, GI pipe light grade 40mm bore for protection of GI wire from earth electrode to and including the earth test point of galvanized iron/steel of size 75x75x25mm, supplying and laying charcoal dust , common salt, PCC 1:2:4 type B1 chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in plate No. 3 of SSR Part I of 2009 and connected to earth test point including testing complete all as specified and directed. |
| 25 | M&L for chemical earthing by drilling a hole of 100 mm dia and 30 mtr depth in any kind of soil and providing a 30 mtr long pure copper strip of size 32 x6 mm duly encapsulated in a light grade GI pipe of 88 mm OD and filling the hole with advance non toxic earth enhancing back fill compond qty not less than 30 Kg and water till complete soaking of chemical water mixture and providing a cylindrical type FRP earth pit chamber of Size 254mm dia at top, 330mm dia at bottom and 260mm height and 7.5mtr long copper strip of size 33 mm x 6 mm as earth lead conductor duly protected with 40 mm bore medium grade GI pipe from terminal point to earth test point and duly connected with terminal point through breezing and to connect with earth test point with brass bolt nuts and washer of suitable size and fixed on wall by mounting the strip of frp/DMC bridge insulator and providing a test point a terminal block made of gun metal of long hex head brass screw complete with removing of excavatedsoil a distance not exceeding 50 meter and height n. exc 1.5 m from the starting point and testing on completeion all as specified and directed.Note-1 Addl length of conductor beyond 7.5 mtr if required at site shall be measuredand paid separetly under respective item. 2. On testing after completion of job if desire earth resistance less than 1 ohm is not found their earthing shall be redone at no extra cost to govt complete all as spiced and directed. |
| 26 | Supply installation testing and commissioning of copper strip of size 25x3 mmclamped to walls, cable trays in recess or surface etc complete as required including inter connection between length at joints all fixing accessories saddles clamps etc and other fixing hardware material as required for proper installation:- |
| 27 | M&L for Earthing complete with galvanized steel earth plate 600mm x 600mm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized iron strip 32 x 6 mm as Earthing lead by means of bolts, nuts, check-nuts, and washers of galvanized iron or steel beside welding at all joints as shown in drawings and including excavation and earth work, GI pipe light grade 40mm bore for protection of GI wire from earth electrode to and including the earth test point of galvanized iron/steel of size 75x75x25mm, supplying and laying charcoal dust , common salt, PCC 1:2:4 type B1 chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh, 20mm dia GI pipe medium grade for watering all as shown in plate No. 3 of SSR Part I of 2009 and connected to earth test point including testing complete all as specified and directed. |
| 28 | Supply and fix ofGI strip of size 32x6 mm clamped to walls, cable trays in recess or surface etc complete as required including inter connection between length at joints all fixing accessories saddles clamps etc and other fixing hardware material as required for proper installation complete all as spiced and directed. |
| 29 | Supply and fix ofAluminium strip of size 25x3 mm clamped to walls, cable trays in recess or surface etc complete as required including inter connection between length at joints all fixing accessories saddles clamps etc and other fixing hardware material as required for proper installation complete all as spiced and directed. |
| 30 | Supply and laying XLPE insulated, screened, PVC bedded steel strip armoured heavy duty electric cable suitable for 11KV earthed system of cross sectional area 3 core 185 Sq mm complete all as spiced and directed.. |
| 31 | Supply and erection in truly vertical position of steel tubular swaged pole (410 SP-55), 11.0 mtr long, complete with cast iron base plate, pole cap/ finial taper plug, bolts, nuts and washers welded reduced section and longitudinal weld throught entire length of pole including 2 coats of black bituminous paint externally upto planting depth and remaining exterior portion of pole shall be provided with one coat of red oxide primer and two coats of aluminium paint and numbering of the pole etc, complete all as specified and directed .Note: Excavation, earth work and PCCshall be measured and paid for separately. |
| 32 | Surface excavation n.exc 30 cm deep and averaging 15 cm deep and getting out in soft/loose soil complete all as specified and directed. |
| 33 | Excavation in trenches , in soft/losse soil not exceeding 1.5 mtr wide and not exc 1.5 mtr in depth for foundation etc. or for shafts , wells , cable trench , laying of pipe , cesspits , manholes , pier holes , etc n.exc 10 Sqm on plan and n.exc 1.5 mtr in depth and getting out , complete all as specified and directed. |
| 34 | Excavation in trenches , in soft/losse soil not exceeding 1.5 mtr width andexc 1.5 mtr but not exc 3.0 mtr in depth for erection of poles etc and getting out including forming bottom surface and sides all as specified and as directed at site by Engineer-in-charge. |
| 35 | Removing excavated surplus soil to a distance not exc 50m depositing where directed at a level n exc 1.5m above the starting point complete all as specified & directed. |
| 36 | Returing , filling in , including spreading , levelling, watering and well ramming in layers n. exc 25 cm thick complete all as specified and directed. |
| 37 | M&L sand filling with clean dry fine sand unwashed including gently punning around cables in trenches for cable protection complete all as specified and directed. Note: Punned thickness shall only be measured and paid complete all as spiced and directed. |
| 38 | Supplying and Laying unreinforced precast concrete cable cover as per IS-5820 : 1970 with average breaking load for unreinforced covers as 300 Kg class HV, Type-I flat size 300 mm x 180 mm x 40 mm for Cable Protection of 11 KV Cables complete all as spiced and directed. |
| 39 | M&L PCC type D2 1:4:8 (40 mm graded stone aggregate) as in foundation complete all as specified and directed. |
| 40 | M&L PCC 1:3:6 type C-2 using 40 mm graded stone aggregate as in foundation, filling and mass concrete etc complete all as specified & directed. |
| 41 | M&L PCC type B1 1:2:4 12.5 mm graded stone aggregate as in copingcomplete allspecified and directed. |
| 42 | Material & Labour for outdoor type Gang operated Air break switch triple pole, mechanically operated, mounted on insulator and steel frame,with operting mechanism worked from ground level with GI pipe medium grade, for current rating upto 200 Amps suitable for vertical mounting fixed type complete with 09 Nos HT insulators suitable for HT 11 KV complete all as specified and directed. Make :- Jaipuria/ Pactil /GEC |
| 43 | Material & Labour for HT Drop out fuse assembly of 11 KV Current Rating of 200 Amps with 2 post insulator per phase,double stack channel type incl steel base mounting frame,MS Nuts and bolts complete all as specified and directed.Make :- Jaipuria/ Pactil /GEC |
| 44 | Supply and erection of non-linear resistance type lightening arrestor, suitable for 3 Phase, 11 KV overhead lines, with rated voltage at 9 KV(RMS) with nominal discharge current rating of 5 KA complete with galvanized clamping arrangements, GI nuts, bolts and washers complete all as specified and directed. |
| 45 | Supply and fix cable jointing kit for 11 KV grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size185 sqmm complete all as spiced and directed. |
| 46 | Supply and fix cable jointing kit for 11 KV grade cable for out door termination cold shrink type joint complete with jointing material and accessories suitable for 3 coreXLPE, armoured, Aluminium conductor cable of size185 Sqmm complete all as spiced and directed. |
| 47 | M&L for filling 40 mm graded gravels packed in 33 KV outdoor substation yard laid in layers n.exc. 15cm thick, well rammed including watering complete all as specified and directed |
| 48 | Material and labour for rubber matting chequered ISI marked suitable for up to 33 KV rating of size 1000x2000x19mm thick conforming to IS-5424-1969 complete all as specified and directed. |
| 49 | Material and labour for rubber matting chequered ISI marked suitable for up to 11 KV rating of size 1000x2000x10mm thick conforming to IS-5424-1969 complete all as specified and directed. |
| 50 | Supply and fixing HT 33/11 KV Danger notice plate of size 250mm x200 mm made of mild steel 1.6 mm thick and vitreous enamel wide on both side and inscription in signal red colour with skull and bone on front side complete all as spiced and directed. |
| 51 | Material and labour for Construction of Cable Duct for outside of building of size 450 mm widthX 450 mm depthinternal dimensions with 230 mm thick Brick wall, using Sub Class \" B\" Bricks in Cement Mortar 1:4, duly plastered in CM 1:4, 15 mm thick using Water Proofing Compound and covered with RCC precast cover slab 100mm thick using RCCM-25 reinforced with 10mm dia TMT bars 100mm c/c both ways, includingMS Clamp for lifting of RCC Coversand PCC 1:3:6 in bottom 100mm thick all as specified and asdirected. |
