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| Sl. No. | Item Description |
| 1 | NOTE:- (Applicable for all parts/items/):- The bidders/contractorsare advised to read tender document, all drawings & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates. |
| 2 | Lump sum price worked out by the tenderer for BUILDING WORKS as listed in Schedule ‘A’ Part-I(Ref pre-priced schedule attached separately) |
| 3 | Lump sum price worked out by the tenderer for INTERNAL ELECTRIFICATION WORKS as listed in Schedule ‘A’ Part-II(Ref pre-priced schedule attached separately) |
| 4 | Lump sum price worked out by the tenderer for EXTERNAL ELECTRIFICATION as listed in Schedule ‘A’ Part-III(Ref pre-priced schedule attached separately) |
| 5 | Lump sum price worked out by the tenderer for CHAIN LINK FENCING as listed in Schedule ‘A’ Part-IV(Ref pre-priced schedule attached separately) |
| 6 | Lump sum price worked out by the tenderer for SITE CLEARANCE, EXCAVATION AND EARTH WORKS as listed in Schedule ‘A’ Part-V(Ref pre-priced schedule attached separately) |
| 7 | Schedule \"A\" Part-VI(MISCELLANEOUS PARTS) |
| 8 | Bringing approved earth from outside defence land including all cost such as royalty if any transportation, taxes, etc for area filling/forming embankment, earth required for the item shall be supplied by contractor from outside defence land as approved by the GE of any lead at own arrangement complete all as specified and as directed. |
| 9 | Supply and fix punched tape concertina coil made out of cold drawn unalloyed steel wires of dia 2.6 mm having minimum tensile strength of 1670 N per sqmm as per IS 4454 (Part- 1): 2001 with hot dip galvanized as per practice recommended in IS: 2629 and the coatings shall conform to heavily coated hard variety as per table I of IS: 4826 (weight of Zinc coating 230 gram per sqm minimum) and steel strip of size 19 mm X 0.5 mm with hardness of 137 to 187 VPN and zinc coating of 18 to 20 microns, minimum 610 mm dia of coil when closed, (9 kg ± 5 %) weight of coil with 50 turns & 129 Nos clips (without handles and spikes) and minimum 580 mm dia when opened upto 6 metres, stretched to 6 metres for 50 turns during installations complete all as specified and as directed. |
| 10 | S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 200 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on polymer insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed. |
| 11 | M & L for concealed point wiring for one light or one fan or one exhaust fan controlled by one switch complete with and including single core PVC insulated, unsheathed flexible conductor FR-LSH cables 2.5 sqmm as per IS 694: 2010, ISI marked, annealed, multistranded copper conductor drawn through & including medium mechanical stresses class PVC conduit as per IS 9537 (Part-III): 1983 of suitable nominal size as required at site dia but not less than 20 mm nominal size including modular/ non modular type, all accessories/ fittings/ junction boxes/ inspection cover etc. ISI marked and sunk terminal boxes flush galvanised metal boxes suitable for fixing with 2.5 sqmm copper conductor PVC insulated, unsheathed flexible multistranded copper conductor FR-LSH cable as continuous earth wire connected to metallic body at one end and common earth dolly to other end including cost of cutting chase and making good to disturbed surfaces of wall with cement mortar 1:3 including necessary plaster and pointing in cement mortar 1:3 with white wash/distemper/other paintings complete all as specified and as directed. (Note: Cost of cutting chase and making good shall be included in the quoted rate.) |
| 12 | M & L for point wiring for one 3 pin/ 5 pin/ 6 pin 5/15 Amps socket outlet on independent board complete with and including single core PVC insulated, unsheathed flexible conductor FR-LSH cables 2.5 sqmm as per IS 694: 2010, ISI marked, annealed, multistranded copper conductor drawn through & including medium mechanical stresses class PVC conduit as per IS 9537 (Part-III): 1983 of suitable nominal size as required at site dia but not less than 20 mm nominal size including modular/ non modular type, all accessories/ fittings/ junction boxes/ inspection cover etc. ISI marked and sunk terminal boxes flush galvanised metal boxes suitable for fixing with 2.5 sqmm copper conductor PVC insulated, unsheathed flexible multistranded copper conductor FR-LSH cable as continuous earth wire connected to metallic body at one end and common earth dolly to other end including cost of cutting chase and making good to disturbed surfaces of wall with cement mortar 1:3 including necessary plaster and pointing in cement mortar 1:3 with white wash/distemper/other paintings complete all as specified and as directed. (Note: Cost of cutting chase and making good shall be included in the quoted rate.) |
| 13 | M & L for concealed point wiring for one bell/ buzzer point controlled by one push button on the same board with other switches or on independent board complete with and including single core PVC insulated, unsheathed flexible conductor FR-LSH cables 2.5 sqmm as per IS 694: 2010, ISI marked, annealed, multistranded copper conductor drawn through & including medium mechanical stresses class PVC conduit as per IS 9537 (Part-III): 1983 of suitable nominal size as required at site dia but not less than 20 mm nominal size including modular/ non modular type, all accessories/ fittings/ junction boxes/ inspection cover etc. ISI marked and sunk terminal boxes flush galvanised metal boxes suitable for fixing with 2.5 sqmm copper conductor PVC insulated, unsheathed flexible multistranded copper conductor FR-LSH cable as continuous earth wire connected to metallic body at one end and common earth dolly to other end including cost of cutting chase and making good to disturbed surfaces of wall with cement mortar 1:3 including necessary plaster and pointing in cement mortar 1:3 with white wash/distemper/other paintings complete all as specified and as directed. (Note: Cost of cutting chase and making good shall be included in the quoted rate.) |
| 14 | M & L for concealed point wiring for one 3 pin/ 5 pin 15 Amps socket outlet on independent board complete with and including single core PVC insulated, unsheathed flexible conductor FR-LSH cables 4 sqmm as per IS 694: 2010, ISI marked, annealed, multistranded copper conductor drawn through & including medium mechanical stresses class PVC conduit as per IS 9537 (Part-III): 1983 of suitable nominal size as required at site dia but not less than 20 mm nominal size including modular/ non modular type, all accessories/ fittings/ junction boxes/ inspection cover etc. ISI marked and sunk terminal boxes flush galvanised metal boxes suitable for fixing with 4 sqmm copper conductor PVC insulated, unsheathed flexible multistranded copper conductor FR-LSH cable as continuous earth wire connected to metallic body at one end and common earth dolly to other end including cost of cutting chase and making good to disturbed surfaces of wall with cement mortar 1:3 including necessary plaster and pointing in cement mortar 1:3 with white wash/distemper/other paintings complete all as specified and as directed. (Note: Cost of cutting chase and making good shall be included in the quoted rate.) |
| 15 | M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 4.0 mm dia galvanised mild steel wire by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 20 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed. |
| 16 | M & L for earthing complete with galvanised steel pipe electrode 40 mm nominal bore, medium grade, 10 metre length buried directly in ground with top edge of the pipe not less than 1.25 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm copper strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 2 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 20 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed. |
| 17 | Supply and fix concealed sub main wiring complete with and including two Nos single core PVC insulated, unsheathed flexible conductor FR-LSH cables 6 sqmm as per IS 694: 2010, ISI marked, annealed, multistranded copper conductor drawn through and including medium mechanical stresses class PVC conduit as per IS 9537 (Part-III): 1983 of suitable nominal size as required at site dia but not less than 20 mm nominal size including all accessories and fixed on walls and 6 sqmm one No single core copper conductor PVC insulated, unsheathed flexible multistranded copper conductor FR-LSH cable for earthing and connected to common earth dolly including cost of cutting chase and making good to disturbed surfaces of wall with cement mortar 1:3 including necessary plaster and pointing in cement mortar 1:3 with white wash/distemper/other paintings complete all as specified and as directed. (Note 1- Two runs of 6 sqmm cable, one run of 6 sqmm cable and one run of conduit shall be measured and paid as one unit length. Note 2- Cost of cutting chase and making good shall be included in the quoted rate.) |
| 18 | S & F telephone sockets (Jack type) RJ 11-jack-1 module as per Legrand catalogue No. 674521 or equivalent of L&T, Siemens complete all as specified and as directed. |
| 19 | Disconnecting all existing connection with transfomer and taking down and shifting transformer from any substation under the GE to AGE E/M store yard with help of Hydra (Recovery)/JCB/ Crane etc. complete all as specified and as directed. |
| 20 | Supply and fix metal oxide surge arrester without gap for AC system as per IEC 60099-4: 2014, outdoor type, polymer housing, single column and single phase construction, distribution class, medium duty, nominal discharge current 5 kA, repetitive charge transfer rating (Qrs) more than 0.2 C, thermal charge transfer rating (Qth) more than 0.7 C, nominal system voltage 11 kV, highest system voltage 12 kV, rated voltage of arrester 9 kV, continuous operating voltage 7.2 kV, temporary overvoltage (10.50 kV for 1 s, 9.90 kV for 10 s, 9.35 kV for 100 s), rated short circuit current 20 kA, low short circuit current 600 A, insulation withstand level (lightning impulse voltage 1.2/ 50 µs) 75 kV, lightning impulse residual voltage (8/20 µs) at nominal discharge current maximum 22 kV, high current impulse withstand capability (4/10 µs) 65 kA, minimum creepage distance 300 mm complete all as specified and as directed. |
| 21 | Material and labour for overhead bus bar at receiving station for 66 KV comprising of 2 feeder bay inclusive ofACSR Conductor (Penther) and PG clamps etc complete with 66 KV string insulator 120 KN (as per site requirement) and GI Shield wire, and bus-bar insulators, clamps and connections complete all as specified and as directed Note : (i) The rate for PG clamps, string insulator, tee off clamps, copper binding wire, aluminium tapes and other jointing materials etc shall deemed to be included in unit rate quoted by the contractor.(ii) ACSR conductor and GI Shield wire deemed to be included in quoted rates.(iii) 2 feeder bay described above for 02X transformer 4 MVA |
| 22 | Structural design, supplying, fabricating erecting and testing in position hot- dipgalvanized zinc coating of type heavy as laid down in IS 4826 steel structure gantries bus bar for mounting various equipment such as circuit breakers, disconnecting switches, instrument transformer, lightening arrestor, post insulators and accessories etc at suitable height to match with height of gas circuit breakers, transformers etc and allowing minimum safe distance/ height as per IE rules/IS fabricated out of MS Channel angle rolled steel (joints) MS flat nut bolt washer etc upto 15 mtr height complete all as specified and directed.Notes :- (i) The rate quoted for this item shall interalia be inclusive of the rate of Design, specification, fabrication & erection of the steel structure forgantry and towers required to make the installation complete in all respect (ii) The structure shall be of lattice type structure fabricated form rolled mild steel selection and hot-dip galvanized. Only bolted connections will be permitted. (iii) The finished surface shall be clean smooth and shall be free from defects like discoloured patches, bad spots, blistered surface, flanking or peeled of zinc, spiky deposit of zinc etc. (iv) Steel members, bolt, nuts fittings shall be hot dip galvanized except spring washer which shall be electro galvanized. (v) Detailed drgs of 66/11 KV switchyard including line diagram of control room and panels alongwith design calculations for foundation of structures duly vetted from faculty member/ M.Tech in Power Engg and faculty of civil Engg (master in structural Engg) of any Govt Engg College should be submitted for approval of Accepting Officer within 20 Days of commencement of work |
| 23 | Supply and fixing of 66 KV post Insulator 120 KN Complete Set complete all as specified and directed by Engineer-in-Charge |
| 24 | Supply and fixing of 66 KV Disc Insulator 120 KN Complete Set complete all as specified and directed by Engineer-in-Charge |
| 25 | Supply ,installation, testing and commissioning of 72.5 KV Isolatorfor nominal voltage 66 KV system 50 Hz 3 phase system of capacity 1250 Amp continuous current, short time current 31.5 KA for 3 Seconds complete with the following specifications complete all as specified and as directed :-(A) Insulation levels(a) Impulse with stand voltage:(i) Phase to earth : 325 kVp(ii) Isolating distance : 325 kVp(b) Power frequency with stand voltage: (i) Phase to earth : 140 kV(rms)(ii) Isolating distance : 160 kV (rms)(c) Minimum creep age distance of support and rotating insulator : 1820mm(d) Minimum clearance in air:(i) Phase to phase centre distance : 2000mm (ii) Between live part and earth : 630mm (iii) Between live part when switch is open : 950mm (iv) On the same pole : 950mm(v) Between adjacent pole : 1300mm(e) Current density:- (i) Moving blades : 2 Amps/Sqmm(ii) Terminal pads : 17 Amp/Sqmm(iii) Contacts : 1.60 Amps/Sqmm(iv) Terminal connector : 1.25 Amp/Sqmm(B) Design & Construction(a) No insulator per pole : 03 (b) Nos of breaks per pole : 02 (c) Type of closing/Opening mechanism : Horizontal(d) Contacts(i) Material & grade : Hard drawn electrolytic copper(ii) Cross Section Area in Sqmm : 960 Sqmm(e) Moving blades(i) Material & grade : Hard drawn electrolytic copper(ii) Cross Section Area in Sqmm : 706 Sqmm(f) Contacts support(i) Material & size of channel/block ; AL LM-6 casting(g) Turn & twist mechanism (i) Material & size of clamps : MS 20 x 20mm(ii) Material & size of spring duty ; Dia 2.6 SS encased(h) Type of Interlock : Mechanical & Electrical(j) Down pipe size & class : 50 NB Med – HPG(k) Type of joint : Swivel(l) Solid core type insulator(i) Height : 770mm(ii) PCD : 127mm(iii) Impulse flash over voltage : 400 kVp (m) Terminal connector(i)Alloy composition : AL LM-6(ii) Area of minimum cross section : 1000 Sqmm(iii) Temperature rise : As per IS-9921(n) Operating mechanism : Motor drive & Manual |
| 26 | Supply, installation, testing and commissioning of72.5 KV Single Phase, Dead tank type outdoor PT (potential transformer) PT ratio 66KV/Sqrt 3 by 110V/Sqrt 3-110V/ Sqrt3-110V/Sqrt 3 for metering & protection, including junction box complete, oil cooled, insulation level -140 KV/325 KVp short time current rating -50KA/1 Seconds, 3 core of above setting, 50 VA/0.2 class accuracy with oil as per latest IS 3156/1992 revised 2002 suitable for 66 KV complete all as specified and as directed. |
| 27 | Supply, installation ,testing and commissioning of72.5 KV Single Phase, Dead tank type outdoor CT (current transformer) CT ratio 150/75/0.577-1-1 A for metering & protection, including junction box complete, oil cooled, insulation level -140 KV/325 KV short time current rating -50KA/1 Seconds, 3 core of above setting, 50 VA/0.2 class accuracy with oil as per latest IS 16227-1&2 / IEC 61869 1 & 2 suitable for 66 KV complete all as specified and as directed of with following accessories :-(a) Highest system voltage (phase to phase) in KV-72.5(b) Type of insulation used-Class A (Oil Impregnated paper(c) Rated Frequency in Hz-50 (d) Suitable for altitude (Max) in meter-1000 (e) Conforming to standard-IS16227-1&2/IEC61869-1&2(f) Rated system voltage (phase to earth) in KV-66/ root 3(g) Rated primary current in Amps-Refer table on page -2 (h) Rated secondary current in Amps-Refer table on page -2 (j) Details of cores-Refer table on page -2(k) Rated continuous current rating in amps-120% of rated current (l) Ration selection (taps) by-Secondary taps only(m) No of secondary cores-4 (n) Rated short time withstand current & duration in kAmps/Secs-31.5 KA for 1 sec (o) Dynamic peak withstand current in kA peak -78.75(p) One minute power frequency (Wet & dry) withstand voltage on primary winding in kV rms-140(q) 1.2/50 micro sec lighting Impulse withstand voltage in kV peak-325 (r)One minute power frequency withstand voltage on secondary winding in kV rms-3 (s) Total creep age distance in mm (mm/KV)-1815 (25 mm/KV)(t) Primary terminal material & details-Copper, 30 x 80 mm long(u) Surface finish of MS components exposed to atmosphere - painted, RAL 7032 |
| 28 | Srl Item No 6.02 Continued......(v) Secondary terminal box arrangement - single door box(w) Volume of oil in Litres - 54+- 10%(x) Total weight of equipment in Kg - 200 +-10%(y) Mounting details in mm-16 holes of 17 at 300 x 300 mm, 350 x 350 mm, 400 x 400 mm, 450 x 450 mm (z) Material of tank/housing - Mild steel |
| 29 | Supply, installation, testing and commissioning of Circuit breaker SF-6 outdoor type 66 KV nominal voltage 3 Phase, 50 HZ as per IEC-62271-100 complete with all accessories and of the following technical specifications complete all as specified and as directed :- Rated Voltage (KV)-72.5 KV, Maximum (Continuous) Service rated voltage-72.5 KV, Continue current rating-Upto 3150A, Maximum temperature rise over ambient temperature of 50 Deg C (Deg C)- <55 Deg C, Short time current rating for 1 sec (KA)-40 KA,Breaking capacity : (i) Symmetrical current (KA)-40 KA (ii) Symmetrical at rated service voltage (MVA)-5023 MVA (iii) Asymmetrical current (KA)-47.7 KA,Maximum current which can be broken : (i) Small inducting current (A)-Not Applicable as per IEC 62271-100 (ii) Line charging current (A)-10 A (iii) Cable charging current (A)-125 A (iv) Capacitive current (A)-400 A, Rated making current (peak) (KA)-100 KApTotal break time in MS : (i) At 10% rated interrupting capacity (ms)- <60 MS (ii) At rated interrupting capacity ms- <60 MS, Arching time (MS)- <=30MS, Make time (ms)- <=145 MS, Minimum re-closing time at full rated interrupting capacity from the instant of trip coil energysation (ms)-360 MS, Minimum dead time for 3 ph re-closing (ms)-300 ms, Date on restriking voltage (100% and 50% of rated capacity)- 100% 60%, Amplitude factor-1.54 1.65, Phase factor-1.3 1.3, Neutral frequency- Not defined as per IEC-62271-100, Rated of risk of restriking voltage KVolts/micro seconds-1.472.35, Dry 1 minute power frequency withstand test voltage (KV ems) : (i) Between line terminals and grounded objects (KV rms) - 140 KV rms (ii) Between terminals with breaker contact open (KV rms) - 140 KV rms, 1.2 / 50 micro second full wave impulse withstand test voltage : (i) Between line terminal and ground objects (KV peak)-325 KV peak (ii) Between terminal with breaker contact open (KV peak)-325 KV peak,Bushings : (i) Type of Bushing - Hollow porcelain (ii) Dry 1-minute power frequency withstand test voltage-140 KV (iv) 1.2/50 Micro second impulse withstand test voltage (KV rms)-325 KV (v) Minimum Creep age distance (mm)-1812.5, Tested on assembled breaker |
| 30 | Srl Item No 6.021 Continued......Minimum clearance in air : (i) Between phases (mm)-1050 mm (ii) Live parts to earth (mm)-780 mm, Number of poles of circuit breaker-3, Number of breaker per phase-Single, Total length of break per phase (mm)-75 mmAuxiliary contacts : (i) Type-Rotary (ii) Material of auxiliary contacts-Silver plated brass (iii) Confirm that contacts silver-plated - Yes (iv) Minimum thickness of silver plating-25 microns (v) Contact pressure-0.3 kg/mm (vi) Number of auxiliary contact provided-Nil (vii) Those closed when breaker is closed-10 (viii) Those open when breaker is closed-10 (ix) Those adjustable with respect to the position of main contacts-Nil,Type of operating mechanism : (i) Opening-Spring (ii) Closing-Spring, Control circuit voltage-220V DC, Rated pressure of SF6 gas in breaker (kg/cm2)-6.0 Kg/cm2 at 20 degree C, Rated pressure of SF6 gas in cylinders (kg/cm2)-15 Kg/cm2, Quantity of SF6 gas in cylinder (kg)-11 Kg/25 Kg/37 Kg/50 Kg, Qty of SF6 gas in Kg required to maintain the operating pressure of breakers-2.5 Kg per circuit breaker, Total weight of SF6 gas to be supplied as 20% extra on tender quantity-0.5 Kg per breakers i.e 20% spare gas is supplied with each breaker. |
| 31 | Supply, installation, testing and commissioning of Heavy duty metal oxide lightning arresters, Ref Standard - IEC 60099-4, Type - Outdoor, Station class, Heavy duty, Line discharged current as per IEC - Class 3, Energy Absorption capacity - 6.0 kJ / kV, Pressure relief class - A (40kA), Nominal discharged current - 10 kA peak, Altitude suitable upto - 1000 meter, comprising of following specification complete all as specified and as directed :-(a)Highest system voltage - 72.5 kV rms (b)System BIL - 325 kV peak (c)Arrester rated voltage - 60 kV rms (d)Max continuous operating voltage - 52 kV rms(e)High current Impulse withstand (4/10 m s) - 100 kAp(f) Reference current - 5 mA (g) Leakage current at COV : (i) Resistive - 0.4 mA (ii) Capacitive - 1.5 mA (h) Max residual voltage at : Lightning Impulse of 8/20 u s (i) At 5 kAp - 162 kVp (ii) At 10 kAp - 170 kVp (iii) At 20 kAp - 190 kVp (j) Max residual voltage at switching Impulse (30/60 Us) at 10 kA peak - 140 kVp (k) Max residual voltage at steep front Impulse (1/20 Us) at 10 kA peak - 190 kVp(l) Temporary over voltage capacity at : (i) 0.1 Sec - 72 kV rms (ii) 1.0 Sec - 69 kV rms (iii) 10.0 Sec - 66 kV rms (iv) 100.0 Sec - 63 kV rms(m) Insulation level of arrester housing : (i) Lighting Impulse withstand voltage (dry) - 325 kVp (ii) Switching Impulse withstand voltage (wet) - NA (iii) AC withstand voltage - 140 kV rms (n) Minimum creep age distance - 1815 mm (o) No of Units per pole - 1 Nos |
| 32 | Supply, installation, Testing and commissioning platform mounting outdoor type, Step down power transformer of 66/11 KV, capacity 4 MVA ONAN, 3 Phase, 50 HZ copper wound, as per IS-2026 , On load Tap changer on HV side (+) 5% to (-) 25%and all other standard accessories, with OLTC and RTCCPanel (IP 54)and AVR including undermentioned parameters and following accessories complete all as specified & as directed.(a) Transformer (b)Rated on load voltage : (i) HV, KV-66 withstand upto 75KV (ii) LV, KV-11(c) Cycle -50 Hertz(d)HV & LV Winding - Copper Wound(e)Number of phases-3 (f) Method of Cooling – ONAN(g)Insulation level - Rated short duration withstand voltage HV 325/140, LV 75/28(h) Vector - YNyn0(j) Ambient temperature rise - 55 degree C (k) Maximum winding temperature rise - 75 degree C(l) Rated frequency - 50 (+-5%)(m) Connection - (i) Primary winding Star & Neutral (ii) Secondary winding Star & Neutral (n) Material & boltlesstype of core/Lamination - CRGO Slicon steel (M-4) Grade(o) Paint shade as per IS:1180 standard - RAL 7032. (p) Flux Density - 1.60 Tesla (q) Impedance voltage at rated current for the principal tap - 8.25% +/- IS Tol (r)Class of insulation - \"F\" Class(s) NoLoad losses at Rated voltage & frequency :4.8 kw (max)(t) Load losses at 100% Load - As per ECBC (max 35 kw) (u) External Hardware - Zinc plated passivated(v) Enclosure - Min IP23(w) Installation - Outdoor type including Plinth as per recommendation of OEM.STANDARD FITTINGS:(a) Rating plate - 01, (b) Earthing Terminals - 02, (c) Lifting Lugs - 04, (d) Jacking Lugs - Yes, (e) Pressure relief valve - Yes, (f) Bidirectional Roller – Yes(g) On load tap changer |
| 33 | Material and labour for Control and RelayTransformer panel enclosure simplex type MS Cubical, free standing, floor mounted , suitable for indoor installation folded sheet , dust proof (degree of protection IP 54), Panel fabricated from 2.0 mm MS sheet for side/top/ rear and 2.5mm sheet forfront & gland plate, paint shade:-inside (white), Outside (siemens grey). Dimensions (2000X800X610mm). Make Coronet. Microprocessor based alarm annunciators, 24 window WTI Alarm Trip, OTI Alarm Trip (01 Qty) Make Reputed, Breaker open / close / auto trip / Iso open / close / trip circuit healthy spring charger etc Panel Indication Lamps make Push button (05 Qty)Switches and Other Accessories : DC on/off MCB (01 Qty) , AC on/off MCB (01 Qty), Semaphore indicator for breaker, Isolator & Earth switch (03 Qty) make Reputed,Heater with heater switch & thermostat make Girish/Kaycee, Cubicle illumination tube light 20W (01 Qty) make Philips/Bajaj,15A, 230V, 3 Pin plug & socket (01 Qty)make Kaycee/ Recom, Hooter (Non trip/trip alarm (01 Qty) make Reputed, TCH - Healthy (01 Qty) make Reputed,Meters : Digital Ammeter with ASS (96mm x 96mm), CL-0.5 (01 Qty) make Secure/Equiv,Digital Voltmeter with VSS (96mm x 96mm), CL-0.5 (01 Qty) make Secure/ Equivalent,TVM, CL-0.5 (01 Qty) make Secure/Equivalent,Relays : Numerical Relay with IEC61850 P3T32 (01 Qty) for transformer protection make Schneider/Eq, Numerical Relay with IEC61850 P3U32 (01 Qty) make Schneider/Eq, High speed trip relay, (86) (01 Qty) , DC Supervision relay buchholz relay, (95) (01 Qty): Circuit labels, Component labels and Acrylic strip for mimic diagram (01 Qty) complete all as specified and directed. |
| 34 | Supply, installation, testing & commissioning of Outdoor (IP54) 11kV 630Amps 21KA/3 sec. One side Extensible Ring Main Unit Compact switchgear consisting of 1 no. fixed motorized Vacuum Circuit Breaker Module and 1 No. direct cable Module with additional BUS PT metering module and Copper Busbar in SF6 insulated stainless steel enclosure (2.5mm thick, SS304 grade). The complete RMU must be type tested for Internal arc 21KA for 1 sec with AFLR Classification for Gas tank & Cable Chamber. HT RMU shall preferably have site replaceable bushings to have very less downtime in the event of bushing breakage and restoration can be done immediately without sending the RMU to OEM Works. The Vaccum Interrupter must RMU manufacturer\"s own make. Make of RMU shall be limited to : ABB/ SIEMENS/ SCHNEIDER INFRASTRUCTURE [ Channel partner / System Integrator / Authourized Partner/ License partner make RMU shall not be accepted.]The complete RMU shall be consisting of followings:Flush mounted type auxiliary powered Microprocessor based numerical IDMT relay (RMU manufacturer\"s own Make) with Over Current, Earth Fault, Over Voltage, Undervoltage, High impedance fault protection & communicable on IEC61850-9-2LE, Edition 2.1 protocal for protection and Status monitoring with Master trip and Trip Ckt Supervision relay. Relay shall have programable 16 digital Inputs and 10 outputs.-1 No. for each VCB Module.Capacitive voltage indication fixed type system with LED for all feeder.SF6 Gas pressure indicator on the gas tank.Operating sequence of VCB must be O-0.3Sec-CO-3 Mins-CO amd suitable for 10000 mechanical operation.CT shall be minimum 100/1A ,2.5VA , 5P20 - 3 nos. for protection for each VCB Module.CT shall be minimum 100/1A ,2.5VA , Class 0.5 - 3 nos. for metering for each VCB Module.Right angle boot to be provided in each module2X12V, 26AH Battary with Charger - 1 SetBus VT shall be 11KV/V3/110V/V3 ,20VA , Class 0.5 - 3 nos. for meteringAuxiliary VT shall be 11KV/230, 500VA for AC supply input to Battary Charger.MFM for measurement of current, Voltage, Frequency, PF, KWH for each VCB Module. |
| 35 | Supplying, Installation, Testing & Commissioning including design, manufacture and testing at works of indoor type floor mounted metal clad, 11KV VCB panel board totally enclosed & fully interlocked, Horizontal drawout ,Horizontal isolation type breaker as per IEC-62271-100/200, as amended up to date and additional specifications, having capacities as mentioned below, single break, trip free mechanism, motor charged and manually / electrically closing breaker suitable for use on 11KV, 3 Phase, 50Hz, A.C.supply with STC 26.3 KA for 3 Sec (500MVA ). The Panel shall be complete with self contained fully interlocked, rack in and rack out mechanism, air insulated and encapsulated copper bus bars of 800 Amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device, spring release coil, shunt trip coil and auxiliary switch of 4NO+4NC and equipped with following switch gears and accessories. VCB shall withstand 50 times short circuit current. The panel shall be complete with following switchgear and accessories. All major sub-components (switchgear, relays & vacuum interrupters) shall be of samemake. Separate earthing truck shall be required for each bus earthing & cable earthing. Earthing truck shall be so designed that it is impossible to earth a live. It shall be provided with capacitive voltage divider and complete with audio visual annunciation, one for each panel. a) INCOMER PANEL - Each Comprising of 2 i 1-Metal clad housingwith truck having 800A,500MVA, TP integral VCB withmanually /electrically operated mechanism (spring charging motor-230 V AC) ii 1 set of air insulated bus bar of 800 A iii 1 set of isolating plug and receptacle iv 1 set of automatic safety shutter v 1- set of breaker control switch, lockable type Trip /Neutral /Closed (TNC) vi 1 set of dual core CT\"s Core l400/200/5/5 A class 5P-20 (15 VA) protection Core ll400/200/5/5 A class 0.5 (15 VA ) metering vii 1- Shunt trip closing coil 24 V DC |
| 36 | Srl Item No 6.026 Continued......viii 1- 11 KV end termination kit for 3x300 sq.mm AI.XLPE 11 KV armoured cable ix 3-No\"s P.T\"S 11/0.11 KV of (50 VA) cast resin type x 1-setON/OFF /Trip & Circuit healthy and phase indicating LED lamps. xi 1-No Microprocessor based Numerical relay with O/CEF&SC Protection. Relay should have arc flash fault protection in cable, busbar and breaker chamber and shall communicate over IEC61850 protocol to SCADA. xii1-No UL&CE Multifunction Digital meter displaying Voltage, Amps, kWh, kW, P.F., Active, reactive, apparent energy, disturbance direction detection, Individual harmonic up to the 63 rd harmonic. at least 1024 samples/cycle with ethernet Port with inbuilt webserver and complying to IEC 61557-12, IEC 62053-22 certified by third party laboratory. xiii 1-No master trip relay xv 1-12 No\"s annunciation window with relays and push buttons b) BUSCOUPLER PANEL : Each Comprising of : 1 i 1-Metal clad housing with truck having 800 A ,500 MVA TP integral VCBmanually/ electrically operated mechanism (spring charged motor 230 V A.C.) ii 1- Set of air insulated bus bar iii 1- Set of isolating plug and receptacle iv 1- Set of automatic safety shutters v 1- Set of breaker control switches (TNC) vi 1- Set of dual core CT\"S Core I - 100 /50/ 5 /5 class 5P -10 (15 VA) vii 1- Shunt trip closing coil 24 V DC / 110 V A.C viii 1- 11 KV end termination for 3 x 240 sq.mm AI.XLPE 11 KV cable x 1- setON/OFF /Trip & Circuit healthy IndicatingLED lamps. xi 1- No Microprocessor based Numerical relay with O/CEF&SC Protection. Relay should have arc flash protection cable busbar and breaker chamber and shall communicate over IEC 61850 protocol to SCADA. |
| 37 | Srl Item No 6.026 Continued...... c) OUTGOING PANEL: Each Comprising of : 2 i 1-Metal clad housing with truck having 800 A ,500 MVA TP integral VCBmanually/ electrically operated mechanism (spring charged motor 230 V A.C.) ii 1- Set of air insulated bus bar iii 1- Set of isolating plug and receptacle iv 1- Set of automatic safety shutters v 1-Set of breaker control switches (TNC) vi 1- Set of dual core CT\"S Core I - 100 /50/ 5 /5 class 5P -10 (15 VA) vii 1- Shunt trip closing coil 24 V DC / 110 V A.C viii 1- 11 KV end termination for 3 x 240 sq.mm AI.XLPE 11 KV cable x 1- setON/OFF /Trip & Circuit healthy IndicatingLED lamps. xi 1- No Microprocessor based Numerical relay with O/CEF&SC Protection. Relay should have arc flash protection in cable busbar and breaker chamber and shall communicate over IEC 61850 protocol to SCADA. xiii 1-No master trip relay xv 1-12 No\"s annunciation window with relays and push buttons xvi 1- No 2 elements auxiliary relay for transformer(WTI with alarm & trip) xvii 1- set of terminal block with 20% extra terminal for connection with 2.5sq.mm 4core copper conductor pvc insulated pvc sheathed copper cable from panel to transformer b) set 1 S TC of 11 K V H T S witchboard of 5 panels, 2 I/C, 2 O/G & 1 B/C panels as above and as per specifications shall be with all accessories, interconnections,internal wiring, labels etc. complete as required. |
| 38 | Supplying, Installation, Testing & Commissioning including design, manufacture and testing at works ofindoor type floor mounted metal clad, 11KV VCB panel board totally enclosed & fully interlocked,Horizontal drawout, Horizontal isolation type breaker asper IEC-62271-100/200, as amended up to date and additional specifications, having capacities as mentioned below, single break, trip free mechanism, motor charged and manually/electrically closing breaker suitable for use on 11KV, 3 phase, 50Hz, A.C. supply with STC 26.3KA for 3Sec (500MVA). The Panel shall be complete with self contained, fully interlocked, rack in and rack out mechanism, airinsulated and encapsulated copper bus bars of 800Amps capacity, breaker featured with mechanical ON/OFFindicator with hand trip device, spring release coil, shunt trip coil and auxiliary switchof 4NO+4NC and equipped with following switch gears and accessories. VCB shall withstand 50 times short circuit current. The panel shall be complete with following switchgear and accessories. All major sub-components (switchgear, relays &vacuum interrupters) shall be of same make. Separate earthing truck shall berequired for each bus earthing & cable earthing. Earthing truck shall be so designed that it is impossible to earth a live. It shall be provided with capacitive voltage divider and complete with audiovisual annunciation, one for each panel. a) INCOMER PANEL - Each Comprising of 1 i 1-Metal clad housing with truck having 800A, 500MVA,TPintegralVCB withmanually /electrically operated mechanism (spring charging motor-230 V AC) ii 1 set of air insulated bus bar of 800 A iii 1 set of isolating plug and receptacle iv 1 set of automatic safety shutter v 1- set of breaker control switch, lockable type Trip /Neutral /Closed (TNC) vi 1 set of dual core CT\"s Core l400/200/5/5 A class 5P-20 (15 VA) protection Core ll400/200/5/5 A class 0.5 (15 VA ) metering vii 1- Shunt trip closing coil 24 V DC |
| 39 | Srl Item No 6.027 Continued......viii 1- 11 KV end termination kit for 3x300 sq.mm AI.XLPE 11 KV armoured cable ix 3-No\"s P.T\"S 11/0.11 KV of (50 VA) cast resin type x 1-setON/OFF /Trip & Circuit healthy and phase indicating LED lamps. xi 1-No Microprocessor based Numerical relay with O/CEF&SC Protection. Relay should have arc flash fault protection in cable, busbar and breaker chamber and shall communicate over IEC61850 protocol to SCADA.xii1-No UL&CE Multifunction Digital meter displaying Voltage, Amps, kWh, kW, P.F., Active, reactive, apparent energy, disturbance direction detection,Individual harmonic upto the 63 rdharmonic. at least 1024 samples/cycle withether net Portwith inbuilt webserver and complying to IEC61557-12, IEC 62053-22 certified by third party laboratory. xiii 1-No master trip relay xv 1-12 No\"s annunciation window with relays and push buttons b) BUSCOUPLER PANEL : Each Comprising of : 1 i 1-Metal clad housing with truck having 800 A ,500 MVA TP integral VCBmanually/ electrically operated mechanism (spring charged motor 230 V A.C.) ii 1- Set of air insulated bus bar iii 1- Set of isolating plug and receptacle iv 1- Set of automatic safety shutters v 1- Set of breaker control switches (TNC) vi 1-Set of dual core CT\"S Core I - 100 /50/ 5 /5 class 5P -10 (15 VA) vii 1- Shunt trip closing coil 24 V DC / 110 V A.C viii 1- 11 KV end termination for 3 x 240 sq.mm AI.XLPE 11 KV cable x 1-setON/OFF /Trip & Circuit healthy IndicatingLED lamps. |
| 40 | Srl Item No 6.027 Continued...... xi1-No Microprocessor based Numerical relaywith O/CEF&SC Protection. Relay should have arc flash protection in cable busbar and breaker chamber and shall communicate over IEC61850 protocol to SCADA. c) ADAPTOR PANEL : Each Comprising of : 1 i 1-Metal clad housing having 800 A ,500 MVA Busbar ii 1- Set of air insulated bus bar b) set 1 S TC of 11 K V H T S witchboard of 3 panels, 1 I/C & 1 B/C and 1 Adaptor panel as above and as per specifications shall be with all accessories, interconnections, internal wiring, labels etc. complete as required. |
| 41 | Supplying,Installation, Testing& Commissioning including design ,manufacture and testing at works ofindoor type floor mounted metal clad,11KV VCB panel board totally enclosed & fully interlocked, Horizontal drawout, Horizontal isolation type breaker as per IEC-62271-100/200, as amended up to date and additional specifications, having capacities as mentionedbelow, single break, trip free mechanism, motor charged and manually /electrically closing breaker suitable for use on11KV,3 Phase,50Hz A.C.supply with STC 26.3 KA for 3 Sec (500MVA). ThePanel shall be complete withself contained, fully interlocked, rack in and rackout mechanism, air insulatedandencapsulated copper bus barsof 800Amps capacity, breaker featured with mechanical ON/OFF indicator with hand trip device,springrelease coil, shunt trip coil and auxiliary switch of4 NO+ 4NC and equipped with following switchgears and accessories.VCB shall with stand 50 times short circuit current. The panelshallbecompletewith following switch gear and accessorie s.All majo rsub-components (switchgear, relays & vacuuminterrupters) shall be of same make.Separate earthing truck shall be required for each busearthing & cable earthing. Earthing truck shall be so designed that it is impossible to earth alive. It shall be provided with capacitive voltage divider and complete with audio visual annunciation, one for each panel. a) INCOMER PANEL - Each Comprising of 2 i 1-No Metal clad housing with truck having 800A, 500MVA, TP integral VCB with manually/electrically operated mechanism (spring charging motor-230V AC) ii 1 set of air insulated bus bar of 800 A iii 1 set of isolating plug and receptacle iv 1 set of automatic safety shutter v 1- set of breaker control switch, lockable type Trip /Neutral /Closed (TNC) vi 1 set of dual core CT\"s Core l400/200/5/5 A class 5P-20 (15 VA) protection Core ll400/200/5/5 A class 0.5 (15 VA ) metering vii 1- Shunt trip closing coil 24 V DC |
| 42 | Srl Item No 6.028 Continued......viii 1- 11 KV end termination kit for 3x300 sq.mm AI.XLPE 11 KV armoured cable ix 3-No\"s P.T\"S 11/0.11 KV of (50 VA) cast resin type x 1-setON/OFF /Trip & Circuit healthy and phase indicating LED lamps. xi 1-No Micoprocessor based Numerical relaywith O/CEF&SC Protection. Relay should have arc flashfault protection in cable, busbar and breaker chamber and shall communicate over IEC61850 protocol to SCADA. xii1-No UL&CE Multifunction Digitalmeter displaying Voltage, Amps, kWh, kW, P.F., Active, reactive, apparent energy, disturbance direction detection, Individual harmonic up to the 63rd harmonic. at least 1024samples/cycle with ethernet Port with inbuilt web server and complying to IEC61557-12, IEC62053-22 certified by third party laboratory. xiii 1-No master trip relay xv 1-12 No\"s annunciation window with relays and push buttons b) BUSCOUPLER PANEL : Each Comprising of : 1 i 1-Metal clad housing with truck having 800 A ,500 MVA TP integral VCBmanually/ electrically operated mechanism (spring charged motor 230 V A.C.) ii 1- Set of air insulated bus bar iii 1- Set of isolating plug and receptacle iv 1- Set of automatic safety shutters v 1- Set of breaker control switches (TNC) vi 1-Set of dual core CT\"S Core I - 100 /50/ 5 /5 class 5P -10 (15 VA) vii 1- Shunt trip closing coil 24 V DC / 110 V A.C viii 1- 11 KV end termination for 3 x 240 sq.mm AI.XLPE 11 KV cable x 1-setON/OFF /Trip & Circuit healthy IndicatingLED lamps. xi 1-No Micoprocessor based Numerical relay with O/CEF&SC Protection. Relay should have arc flash protection in cable busbar and breaker chamber and shall communicate over IEC 61850 protocol to SCADA. |
| 43 | Srl Item No 6.028 Continued......c) OUTGOING PANEL : Each Comprising of : 5 i 1-Metal clad housing with truck having 800 A ,500 MVA TP integral VCBmanually/ electrically operated mechanism (spring charged motor 230 V A.C.) ii 1- Set of air insulated bus bar iii 1- Set of isolating plug and receptacle iv 1- Set of automatic safety shutters v 1- Set of breaker control switches (TNC) vi 1-Set of dual core CT\"S Core I - 100 /50/ 5 /5 class 5P -10 (15 VA) vii 1- Shunt trip closing coil 24 V DC / 110 V A.C viii 1- 11 KV end termination for 3 x 240 sq.mm AI.XLPE 11 KV cable x 1-setON/OFF /Trip & Circuit healthy IndicatingLED lamps. xi 1-No Micoprocessor based Numerical relay with O/CEF&SC Protection. Relay should have arc flash protection in cable busbar and breaker chamber and shall communicate over IEC 61850 protocol to SCADA. xiii 1-No master trip relay xv 1-12 No\"s annunciation window with relays and push buttons xvi 1-No 2 elements auxiliary relay for transformer(WTI with alarm & trip) xvii 1-set of terminal block with 20% extra terminal for connection with 2.5 sq.mm 4 core copper conductor pvc insulated pvc sheathed copper cable from panel to transformer b) set 1 S TC of 11 K V H T S witch board of 8 panels, 2 I/C, 5 O/G & 1 B/C panels as above and as per specifications shall be with all accessories, interconnections,internal wiring, labels etc. complete as required. |
| 44 | Supply and erect 2 pole structure on 11 meter PCC pole consisting of pole and with anti- climbing device, PCC foundation, PCC pedestal & cross arms (Bracing), structural steel chanels, clamps nut bolts andof requied size and length etc, painting complete all as specified and shown in drg no. CEAA/TD/55 Sheet no. 1.2 & 2.2(Note- Quoted rates shall include mounting arrangement Cross arms, clamps, two coats painting to steel items and connected relevent items ) |
| 45 | Material and labour for Stone Aggregate of size 40 to 63 mmin substation complete all as per latest Engineering practice and as directed. |
| 46 | Material and labour for Copper stranded control cable (armoured cable) of size 2.5 Sqmm 2 core laid in ducts from 66 KV Yard to Panel Room complete all as specified and directed. |
| 47 | Material and labour for Copper stranded control cable (armoured cable) of size 2.5 Sqmm 4 core laid in ducts from 66 KV Yard to Panel Room complete all as specified and directed. |
| 48 | Material and labour for Copper stranded control cable (armoured cable) of size 2.5 Sqmm 6 core laid in ducts from 66 KV Yard to Panel Room complete all as specified and directed. |
| 49 | Material and labour for Copper stranded control cable (armoured cable) of size 2.5 Sqmm 8 core laid in ducts from 66 KV Yard to Panel Room complete all as specified and directed. |
| 50 | Material and labour for Copper stranded control cable (armoured cable) of size 2.5 Sqmm 12 core laid in ducts from 66 KV Yard to Panel Room complete all as specified and directed. |
| 51 | Supply and installing of cable laying protection U shape tray of size 100mm height and 500mm width made out of hot dip galvanized sheet 2mm thick including fixing accessories like cross over, bolt in partition, snap in partition, supporting corner, horizontal bend, low elbow, rising elbow, T-pieces, tray cover, edge protection, full threaded rod, sloted U channel, round head square neck bolt, flange nut, hinged joiner, screws, fastener, hook, nut bolt, washer etc complete all as specified and as directed.Note :- (i) Cost for accessories as per site requirement for installing of cable tray shall deemed to be included in the quoted unit rate nothing extra shall be paid on this account. |
| 52 | Supply & fixed of 110 V fully automatic charger cum auxiliary power supply unit suitable for VRLA batteries with constant voltage and constant current features, input voltage 415 V AC output voltahe 110 V DC digital microprocessor type boost back battery charging units three phase 415 volts input and uotput 110 V DC with and including 09 Nos of 12 V, 80/100 AH maintenance free battery (complete for back up to realy and other protection system) complete all as specified and as directed. |
| 53 | Supply, installation, testing, commissioning of 11 KV, 630 Amps, HT vacuum circuit breaker indoor panel shall be constructed from Aluminium Zinc coated sheet steel of 2 mm thickness, for 2 Incomer + 1 Bus coupler + 1 outgoing conforming to IEC 62271-200, 21 KA for 3 Sec, LSC2B-PM class front accessed comprising of Indoor Vacuum Circuit Breaker all as specified and directed with Electrical & Mechanical interlock. Enclosed panel shall consists of following :- (a) 800 A continuous rated electrolytic copper bus bar, droppers and bus bars should be insulated with full system voltage sleeves (b) VCB shall be of horizontally draw out type. VCB shall have provision of spring Charging Handle, Trip Road and VCB have Rack in & Rack out mechanism. Vacuum circuit breaker should have vacuum bottles of the same manufacturer as of circuit breaker. The Vacuum Bottle should be type tested for 100 full short circuit operations. (c) Motorized spring charging mechanism with integral spring charging handle for manual spring charge.(d) Panel separation with every department like VCB, Metering, Cable Chamber & Bus Bar Chamber (e) Cast resin Current Transformer 11KV, 300-150/1+1A, core 1: class 0.5, 15 VA, Core 2: 5P10, 15 VA with metering and protection core including necessary control wiring & Potential Transformer 11 kV, Core I : CL 3P, Core II : Cl 0.5, VA Burden : 50 VA OVF 1.9 for 30 Sec. for metering & protection backed by HT & LT MCBs. Line PT should be mounted only in the rear side (Top or Bottom) of the Panel.(f) Accessories like local remote switch, breaker control switch (T-N-C), space heater with thermostat, DC & AC control circuit through MCB, indicating lamps for RYB, spring charge, DC supply healthy, breaker ON/OFF, breaker in SERVICE/TEST.(g) Multifunction meter with RS 485 port (EM6400 ng). (h) Digital Ammeter and Digital Voltmeter. (i) Separate master trip Relay and anti-pumping relay. |
| 54 | Srl Item No 6.038 Continued......(j) Wireless thermal sensor will be provided in each bus & each cable termination per panel, along with Zig- B concentrator and the data of the same should be display on HMI, other necessary arrangement to be consider. (k) Comprehensive numerical protecting relay (ABB- REL series/Schneider-Easergy Series, SIEMENS-Siprotech series) should have built-in integrated mimic compatible with IEC 61850 for non-directional O/C, E/F, U/V, O/V protection type having followed additional facilities :-(i) Trip ckt supervision.(ii) Distribution recorder. (iii) Event log with date and time. (iv) Conformal coating for harsh environment. (v) Suitable to operate on 24 volts DC for auxiliary and control supply. (l) Panel should also have additional facilities:- (i) Only OEM panels are to be supplied. Partner or franchises are not accepted. (ii) Fully internal arc type tested (21 KA for 3 Sec-AFLR) as per latest IEC 62271-200. (iii) Vacuum bottles should be tested for 100 full short circuit operations.(iv) Manual closing/ tripping of CB with compartment door closed. (v) The panel shall be provided with power pack battery backup for not less than 10 minutes.(vi) Arc Flash Relay should be in each way to detect and rapidly clear arc faults in electrical systems. (vii) Breaker shall be provided with following contacts.(a) Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear.(b) Position switches with 3 NO+1NC contacts for each position in SERVICE and TEST. Make of HT Panels are ABB- ZS1, BHEL, SCHNEIDER-PIX , SIEMENS - NX-AIRNote : The panel shall be SCADA Compatible system. The Vacuum Interrupter, Breaker &Panel along with Relay should of same make for better coordination. and better SCADAcompatibility. Bus Coupler compartment doesn’t carry numerical protection relay, PT, |
| 55 | Srl Item No 6.038 Continued......Voltmeter & arc flash relay in their compartment and a bus rises is required with bus coupler. Outgoing compartment don’t carry PT & Voltmeter |
| 56 | Supply, installation, testing, commissioning of 11 KV, 630 Amps, HT vacuum circuit breaker indoor panel shall be constructed from Aluminium Zinc coated sheet steel of 2mm thickness, for 2 Incomer + 1 Bus coupler + 2 outgoing conforming to IEC 62271-200, 21 KA for 3 Sec, LSC2B-PM class front accessed comprising of Indoor Vacuum Circuit Breaker all as specified and directed with Electrical & Mechanical interlock. Enclosed panel shall consists of following :- (a) 800A continuous rated electrolytic copper bus bar, droppers and bus bars should be insulated with full system voltage sleeves (b) VCB shall be of horizontally draw out type . VCB shall have provision of spring Charging Handle, Trip Road and VCB have Rack in & Rack out mechanism. Vacuum circuit breaker should have vacuum bottles of the same manufacturer as of circuit breaker. The Vacuum Bottle should be type tested for 100 full short circuit operations. (c) Motorized spring charging mechanism with integral spring charging handle for manual spring charge.(d) Panel separation with every department like VCB, Metering , Cable Chamber & Bus Bar Chamber (e) Cast resin Current Transformer 11KV, 300-150/1+1A, core 1: class 0.5, 15 VA, Core 2: 5P10, 15 VA with metering and protection core including necessary control wiring & Potential Transformer 11 kV, Core I : CL 3P, Core II : Cl 0.5, VA Burden : 50 VA OVF 1.9 for 30 Sec. for metering & protection backed by HT & LT MCBs. Line PT should be mounted only in the rear side (Top or Bottom) of the Panel.(f) Accessories like local remote switch, breaker control switch (T-N-C), space heater with thermostat, DC & AC control circuit through MCB, indicating lamps for RYB, spring charge, DC supply healthy, breaker ON/OFF, breaker in SERVICE/TEST.(g) Multifunction meter with RS 485 port ( EM6400 ng). (h) Digital Ammeter and Digital Voltmeter. (i) Separate master trip Relay and anti-pumping relay. |
| 57 | Srl Item No 6.039 Continued......(j) Wireless thermal sensor will be provided in each bus & each cable termination per panel, along with Zig-B concentrator and the data of the same should be display on HMI, other necessary arrangement to be consider. (k) Comprehensive numerical protecting relay (ABB- REL series/Schneider-Easergy Series, SIEMENS Siprotech series) should have built-in integrated mimic compatible with IEC 61850 for non-directional O/C, E/F, U/V, O/V protection type having followed additional facilities :-(i) Trip ckt supervision.(ii) Distribution recorder. (iii) Event log with date and time. (iv) Conformal coating for harsh environment. (v) Suitable to operate on 24 volts DC for auxiliary and control supply. (l) Panel should also have additional facilities :-(i) Only OEM panels are to be supplied. Partner or franchises are not accepted. (ii) Fully internal arc type tested (21 KA for 3 Sec-AFLR) as per latest IEC 62271- 200. (iii) Vacuum bottles should be tested for 100 full short circuit operations.(iv) Manual closing/tripping of CB with compartment door closed. (v) The panel shall be provided with power pack battery backup for not less than 10 minutes.(vi) Arc Flash Relay should be in each way to detect and rapidly clear arc faults in electrical systems. (vii) Breaker shall be provided with following contacts.(a) Auxiliary switch with 6NO+6NC mounted on the draw out portion of the switchgear.(b) Position switches with 3 NO+1NC contacts for each position in SERVICE and TEST. Make of HT Panels are ABB- ZS1, BHEL, SCHNEIDER-PIX , SIEMENS - NX-AIR. |
| 58 | Srl Item No 6.039 Continued......Note : The panel shall be SCADA Compatible system. The Vacuum Interrupter, Breaker & Panel along with Relay should of same make for better coordination. and better SCADA compatibility. Bus Coupler compartment doesn’t carry numerical protection relay, PT, Voltmeter & arc flash relay in their compartment and a bus rises is required with bus coupler. Outgoing compartment don’t carry PT & Voltmeter. |
| 59 | Material and labour for laying of double wall corrugated pipe (DWC), non-metallic, Resistance to Compression : Type 450, Resistance to Impact: Normal, Resistance to Bending : Pliable, Resistance to External Influence: Ingress Protection : IP 67, Resistance against Corrosion : Without Protection, Resistance to Flame Propagation : Non Flame Propagating, Nominal outside diameter 90 mm, minimum inside dia 67 mm conforming to IS 16205 (Part 24) : 2017 including boring of holes by trenchless technology using ultra sounding technique and necessary machine including all fittings complete all as specified and as directed. |
| 60 | Material and labour for laying of double wall corrugated pipe (DWC), non-metallic, Resistance to Compression : Type 450, Resistance to Impact: Normal, Resistance to Bending : Pliable, Resistance to External Influence: Ingress Protection : IP 67, Resistance against Corrosion : Without Protection, Resistance to Flame Propagation : Non Flame Propagating, Nominal outside diameter 140 mm, minimum inside dia 106 mm conforming to IS 16205 (Part 24) : 2017 including boring of holes by trenchless technology using ultra sounding technique and necessary machine including all fittings complete all as specified and as directed. |
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