Military Engineer Services-MES has published Tender For Provision Of 33 Kv Receiving Stn At Af Station Palam, New Delhi. Submission Date for this Tender is 19-08-2023. Electrification Work Tenders in delhi Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Supply laying jointingtesting and commissioning of 33 KV (E) grade of size 185 sqmm 3 core (Heavy duty)with stranded compacted circular aluminum conductor, conductor screened with extruded semi-conducting compound, XLPE insulated, Insulationscreened with extruded semi-conducting compound in combination with Copper tape, cores laid up, inner sheath of Thermoplastic tape, PVC bedded, galvanized steel striparmoured and over allFRLS PVC Sheated conforming toIS-7098, part -II with latest amendmentslaid in Cable Ducts/ trays/ trenches/encased in GI pipes/RCC / DWC HDPE pipes complete all as specified and directed. |
| 2 | Note for Item No 1 (i) Each cable drum not less than 500 Mtr length (ii) The contractor will be responsible for taking permission from appropriate authority i.e. NHAI / IGL / Cantt board or other Units , if needed for the above said cable work necessary payments for work clearence / deposit chargesfor appropriate authorityto be incuded in the rate quoted above (iii) Manual Excavation has be carried out at the places of Services such as of near Existing HT/LT Cables, OFC/ Telecom Cables , Water / Gas Pipe/ Sewage Pipe Lines, Area Drinages and Contractor shall be responsible for rectification of damages immediately on priority to the damages of Servicesoccured during exection of the cable / earth work. |
| 3 | Supply, jointing and testing of end termination joint outdoor type heatshrinkble type complete with jointing material and accessories suitable for 33 KV(E) XLPE armoured aluminium conductor cable of size 185 sqmm 3 core complete all as specified and directed. |
| 4 | Supply, jointing and testing of end termination joint indoor type for 33 KV GIS panel touch proof type complete with jointing material and accessories suitable for 33 KV(E) XLPE armoured aluminium conductor cable of size 185 sqmm 3 core complete all as specified and directed. |
| 5 | Supply, jointing and testing of Straight Through joint outdoor type heatshrinkble type complete with jointing material and accessories suitable for 33 KV(E) XLPE armoured aluminium conductor cable of size 185 sqmm 3 core complete all as specified and directed. |
| 6 | Supplying, installing, testing and commissioning of 33kV, 630A, 25KA /3 -sec, IAC, AFLR, Gas-Insulated type VCB Panel making arrangement IP 4X Indoor suitable, floor-mounted, complying to IEC 62271-200 for design, manufacturing and type-tested, including Internal Arc for operator safety (IAC 26.3kA/1-sec), having 02 x Incomming +01 Bus coupler+with 01 bus raiser+02 Out Goingall inside Gas-Insulated IP65 (partition class : partition of metal) SS 304 grade SS tank (2.5 mm thickness), flush-front mechanism having lockable access door with mounted bay-protection and control scheme, including LEDs, mimic etc. as prescribed below , also SCADA complying to IEC 61850 :- |
| 7 | (i) Rated voltage/maximum operating voltage - 36 KV, (ii) Rated power frquency withstand voltage 70 KV, (iii) Rated lighting impulse withstand voltage 170 KV, (iv) Rated frequency 50 Hz, (v) Rated short circuit making current 80 KA, (vi) Rated short time withstand current 31.5 KA, (vii) Rated duration of short circuit 3 Sec, (viii)Rated opening time = 45 m sec, (ix) Rated break time = 60 m sec, (x) Rated auxiliary voltage 110 V DC.(xi) GIS vaccum Interruter main numerical relays & meters must be same make for better life cycle optimization. (xii) Each VCB shall 02 Nos tripping coil. |
| 8 | (A) 02 x Incomer 33 KV GIS Panel, each comprising of :- |
| 9 | (i) 33 kV, 630 Amp, 25KA /3 -sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100 with roll on floor type Vacuum Circuit Breaker having 03 Nos. vacuum bottles of same make as of circuit breaker and panel, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (110V DC). |
| 10 | (ii) Current Transformers 33 KV 100/1-1 amp, Core1: Class 0.5, 10VA, Core2: Class PS-X - Set of 03nos per breaker |
| 11 | (iii) Potential Transformers, Draw-out type for easy maintenance, 33kV/rt3:110V/rt3, 50VA, Cl.0.5 with associated gun-type HRC fuses and MCBs for HT/LT isolation - Set of 03 Nos. |
| 12 | (a) Transient/intermittent earth fault protection (b) Phase discontinuity protection (c) Aux. Protections incl. Trip Circuit Supervision, Circuit Breaker Failure protection, master trip etc. (iv) Main, Numerical, Drawout Protection Relay ( Line Differential ) with large LCD displaying mimic bay for ON/OFF control and monitoring of feeder parameters listed below and built in disturbance recorder cycle. The relay shall be fully integrated with the feeder, internally capturing feeder statuses incl. Breaker On,Off,Spring.Charged, Disconnector On,Off,Earth, Line-Current/Line-Voltage, Trip Circuit Healthy, Gas-Pressure Low in Breaker Chamber, Gas-Pressure Low in Busbar Chamber, AC Supply Fail, Local-Remote switch The relay shall have built-in back-lit LCD screen to show Single-Line-Diagram and other relevant parameters. |
| 13 | The relay shall be communicable on IEC 61850 GOOSE platform over double /Redundant RJ-45/USB/FO port, having required protection functions including (a) Line Differential with high set and low set (stabilized) with second harmonic restraint to bypass transformer inrush. The scheme will be implemented using Single Mode Fibre Optic protection communication link between local and remote relay. Suitable blocking arrangement shall be available to prevent nuisance tripping due to loss of connection, (b) Over current and earth fault protection with minimum pickup at low set of 5% and 1% respectively, (c) Transient/intermittent earth fault protection, (d) Phase discontinuity protection, (e) Synchro-check between Incomer-01 and Incomer-02 |
| 14 | (v) Flush mounted Aux. Protection Relays incl. (a) Trip Circuit Supervision Relay, (b) Master trip Relay, (c) SF6 Gas Pressure Low, (d) TCN (e) DCF (f) Self supervision (g) SF 6 Gas pressure low. (vi) Metering Equipment incl. 01 x Digital Voltmeter (Acc.Cl.0.5), 01 x Digital Ammeter (Acc.Cl.0.5), 01 x Tri-Vector-Meter (Acc.Cl.0.5). 01no. Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port (vii) LED Indications - Breaker ON/OFF/TRIP/Spring-Charged, R-Y-B, Disconnector-ON/OFF/EARTH, DC Available, AC Supply Fail |
| 15 | (viii) 16 Window Annunciator with Hooter to indicate following alarms :- (a) SF6 Gas Pressure Low (Busbar compartment), (b) SF6 Gas Pressure Low (Breaker Compartment), (c) DC-Fail, (d) Master Trip, (e) Trip Circuit Failure, (f) Inter-Tripping Fault, (g) Vacuum Failure (current flowing even after CB open), (h)EF & OC. The Annunciator will be complete with required Acknowledge/Test buttons as required (ix) Control Equipment incl. 01 x TNC Switch for CB ON/OFF, 01 x Local-Remote Selector Switch, Push-button for Disconnector ON/OFF, MCBs for AC/DC isolation as required |
| 16 | (x) Other accessories incl. Space Heater with thermostat for LV panel and cable chamber, 3-Pin socket with switch, CFL lamp. (xi) Suitable terminal arrangement along with Light Interface Unit, Patch-cord and associated port for spliced connection with external armoured fibre-optic cable shall be provided for achieving pilot-wire (OFC) connection (line-differential). |
| 17 | (B) 01 x Bus Coupler 33 KV GIS Panel (i) 33 kV, 630 Amp, 25 KA /3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100with roll on floor type Vacuum Circuit Breaker having 03nos. vacuum bottles of same make as of circuit breaker and panel, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (110V DC). (ii) Current Transformers 33 KV 100/1-1 amp, Core1: Class 0.5, 10VA, Core2: Class PS-X - Set of 03 Nos per breaker (iii) Main Protection Relay shall be a Numerical Drawout IED Relay ( Should be GIS manufacturers own make) communicable on IEC 61850 GOOSE platform over double /Redundant RJ-45/USB/FO port and HSR complaint with programmable min 14 digital input, min 10 digital outputs, 11 front LED ,large dynamic display ,microprocessor based protection scheme for detecting, indicating and tripping the breaker on various faults like (a) over current+ earth fault protection for HT/LT side. The Relay shall have complete bay control features incl. Large LCD display for displaying Feeder SLD (position indication), integrated ON/OFF control function, three phase current measurement, disturbance recorder, event log and fault record with non-volatile memory, self-supervision.The relay shall have sufficient binary inputs and outputs to receive and issue external commands as listed separately. However more DI & DO may be provided in order to fulfill the scheme requirement for SCADA compatibilty. |
| 18 | The relay shall be fully integrated with the feeder, internally capturing feeder statuses incl. Breaker On/Off/Spring.Chrgd, Line-Current, SF6 Gas Pressure Low (Busbar compartment), SF6 Gas Pressure Low (Breaker Compartment), Master Trip, Trip Circuit Failure (from TCS relay), Vacuum Failure (current flowing even after CB open) and display locally on a built-in back-lit LCD screen as a Single-Line-Diagram with parameters as advised (i) Manometer in each gas chamber. |
| 19 | (ii) LED Indications - Breaker ON/OFF/TRIP/Spring-Charged, R-Y-B, Disconnector-ON/OFF/EARTH, DC Available (iii) 16-Window Annunciator with Ackn/Test/Reset push button and Hooter to indicate following alarms :- (a) SF6 Gas Pressure Low (Busbar compartment), (b) SF6 Gas Pressure Low (Breaker Compartment), (c) Local Master Trip, (d) Trip Circuit Failure, (e) Vacuum Failure (current flowing even after CB open) (iv) Control Equipment incl. 01 x TNC Switch, MCBs for AC/DC isolation as required (v) Other accessories incl. Space Heater with thermostat for LV panel and cable chamber, 3-Pin socket with switch, LED lamp (vi) Soft ware for relay and cable.(vii) Panel shall be offered with digital Ammeter and selector switch (viii) The connection between bus coupler and Riser must be inside gas. (ix) Vaccuum interrupter and GIS panel should be of same make. |
| 20 | (C) 02 Nos. Outgoing 33kV, 630A, 25 KA Vacuum Circuit Breaker arrangement having motorized spring-charging (Aux: 230VAC), and continuous duty tripping/closing (Aux: 110VDC) with bottom cable entry each comprising of (i) Current Transformers 33 KV 100-50/1-1 amp, Core1: Class 0.5, 10VA, Core2: Class PS-X - Set of 03nos. |
| 21 | (ii) Main Protection Relay shall be a Numerical Drawout IED Relay ( Line Differential) communicable on IEC 61850 GOOSE platform over double /Redundant RJ-45/USB/FO port, microprocessor based protection scheme for detecting, indicating and tripping the breaker on various faults like(a) Line differential +over current+ earth fault protection for HT/LT side. The Relay shall have complete bay control features incl. Large LCD display for displaying Feeder SLD (position indication), integrated ON/OFF control function, three phase current measurement, disturbance recorder cycle, event log and fault record with non-volatile memory, self-supervision.The relay shall have sufficient binary inputs and outputs to receive and issue external commands as listed below :- |
| 22 | The relay shall be fully integrated with the feeder, internally capturing feeder statuses incl. Breaker On/Off/Spring.Chrgd, Line-Current, SF6 Gas Pressure Low (Breaker Compartment), Master Trip, Trip Circuit Failure (from TCS relay), Vacuum Failure (current flowing even after CB open) and display locally on a built-in back-lit LCD screen as a Single-Line-Diagram with parameters as advised (iii) Metering Equipment incl. 01 x Digital Ammeter (Acc.Cl.0.5),01no. Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port |
| 23 | (iv) LED Indications - Breaker ON/OFF/TRIP/Spring-Charged, R-Y-B, Disconnector-ON/OFF/EARTH, DC Available (v) 16-Window Annunciator with Ackn/Test/Reset push button and Hooter to indicate following alarms :- (a) SF6 Gas Pressure Low (Busbar compartment), (b) SF6 Gas Pressure Low (Breaker Compartment), (c) Local Master Trip, (d) Trip Circuit Failure, (e) EF & OC (f) DC fail. (vi) Control Equipment incl. 01 x TNC Switch, MCBs for AC/DC isolation as required(vii) Line feeder shall have line differential protection inbuilt in the relay. Transformer feeder shall have transformer differential protection in built in relay.(viii) Each gas filled compartment shall have Manometer.(ix) Aux relay for WTI, OTI, BUCHOLZ alam & Trip (only for outgoing Transformer feeder) (x) Self powered wirelwss thermal sensor to be provided on cable termination. Sensor shall be supplied with necesary software/ hardware to communicate with existing SCADA system. (xi) Quoted rate shall deemed to inclusive of SITC of GIS OEM recommende touch proof termination kit suitable for GIS panel. |
| 24 | Dismantilling of existing 33 KV ,1250 Amp GIS Panel (ABB) from NSB-II sub stn carefully and shifting to shankar vihar substation including erection, testing, commissioning of the panel with existing GIS panel in all respect i.e. cable termination kit supply , installation, commissionig ,testing ,calibration properly with existing 33 KV GIS Panel scheme wiring addition alteration etc for smooth execution and coupling with the help of ABB"s Service team. complete all as directed and specified.Note:- (i)All rates quoted shall be include the modification of all technical/software/relay configuration to existing 33 KV GIS panel calibration with existing system to the UP system and down stream grids for discrimination chat/tripping against faults/ over currents /earth faults/OFC based differential protection etc. (ii) Rate quoted include the cost of necessary modification to the existing floor/ cable trenches/ civil work for installation of 33 KV GIS panel |
| 25 | Supply,installation, Commissioning ,design,engineering, manufacture, inspection,painting andtesting complete with all accessories of transformer of capacity 2.5 MVA step down, outdoor floor mounted, double copper wound,3 Phase, 50 Hz, AC,including all standard Acessories as per LatestIS ,Oilimmersed, KNAN (Natural Ester) confirming to IS-2026, Most economical losses external cooling tubes/radiator cores type having no voltage ratio 33000/11000 volts, Impedance % of 6.25 (corresponding to principal tapping ) winding delta connecting on Primary side (HV Side) and star connected on secondary side (LV side) in accordance with vector symbol Dyn11 (vector Group) with neutral brought out on LV side and looping on HV side for continious output so as to alter/vary secondary voltage by (+) 5 to (-) 15% in 16 equal steps of 1.25% to be changed by means of (OLTC) On Load Tap Changerof make CTR/OLG with Local / Remote opertion features along with RTCCPanel with AVR Relayfor Auto / Manual Operation, Cable End Boxwith Rated Copper Bus Bars / Bimatallic Connectors Shall Be provided for the transformer on Both HT and LT side for Connecting 33 KV HT 3 core cable of Size 185 SQmm on HT Side and Single core six Runs of 300 Sqmm 11KV HT Cable on LT Side. AVR should be SCADA compatiabilty and HV/LV orientation 180 degree |
| 26 | Transformer shall be of BOLTLESS core design. Transformer shall be double wound, core type with low loss, non ageing, high permeability PRIME GRADE, CRGO with m4 grade or Better, Perfectly insulated and clamped to minimize noise and vibrations, core shall be purchased directly from manufacturer of core or from their accredited marketing network and not through any agent. Before placing order for procurement of transformer, the contractor shall submit the credentials in respect of the manufacturer ofcore and transformer shall be procured only after approval from GE in respect of name of manufacturer of transformer as well as manufacturer of core. The limit of termperature rise after continous full load runs as specified in IS/IEC 60076 shall be suitably adjusted to suit the ambient temperature of maximum 50 degree celsius prevailing at site all as specified and directed including having following characteristics complete all as specified and Directed. |
| 27 | The transformer shall confirm to the latest edition of applicable standard as follows :- (i) IS-2026, for tests and tolerance of guarnteed Particulars, (ii) IS-3639 for Fitting and accessories (iii) IS-2099 for Bushing >1000V (iv) IS-7421 for Bushing <1000v (v) IS-1271 for Electrical insulation classified by Thermal stability |
| 28 | (a) HV/LV Winding electrolytic copper 99.9% purity |
| 29 | (b) Insulation LevelKVp (i) HV-170 (ii) LV-70 |
| 30 | (c) Insulation level (Power frequency with Stand KVrms) (i) HV 75 (ii) LV-28 |
| 31 | (d) Temperature raise for the transformer should be 50/55 deg.C ( oil/ winding Temp ) at Av. Ambient Temperature of 50C (e) Noise level for offered transformer will be as Per NEMA TR1 only (f) over loading of the transformer should be of as per IS 6600 only (g) transformer shall be of Class H insulation (h) Primary painting of Zinc Phosphate. (i) Tank pressure, Vaccum witstand capability & Minimum Clearances should be as per CBIP manual.(j) Neutral CT 150/1 PS class to be provided |
| 32 | % Efficiency at 75deg C/ Unity P.F a) at 100% Load-------98.87 b) at 75% load----------99.07 c) at 50% Load--------99.23 % Regulation at Full Load a) at Unity PF---------1.19 b) at 0.8 PF -----------4.60 |
| 33 | Note: (I) Rate Quoted Includes the Cost of Transformer , RCC Baffel wall as per electricity safety rule from GL with proper earth work between the both Transformers, RCC Foundation designed as per the OEM Recommendation based on the Soil Conditions of the Delhi CanttAF Muesuim site (II) Rate Quoted Includes the Cost of necessary Power / control Cables For operation of OLTC, PRV limit switches , WTI ,OTI , Double floatBucholz RelayFrom RTCC panel in side substation buildingto Transformer (iii) Transformer Shall be Brought site only after approval of GTP drawings and only after completion of Installation of 33KV GIS Panels and Laying of 33KV Cables i.e after completion of 50% of the work at siteto avoid ideal laying / ingress of moisture / corrossionto transformer at Site which detoriates the life / warranty and service of the Transformer (iv) Testing & commissioning of Transformer shall be carried out in the presence of OEM at site. (v) OEM of Power transformer must have in house NABL accredited lab. |
| 34 | Supplying, installing, testing and commissioning of Indoor arc flash protected Draw-Out with roll on floor type GIS Panel , rated for 11kV, 630 Amp, 25kA/3-sec, comprising of 02 x Incomming +01 Bus coupler+01 bus raiser+02 Out Going VCB Panels confirming to IEC 62271-200, and IS 13118, Accessibility Class LSC2B-PM Class, comprising of 630 Amp, continuous ratedInsulated Copperbusbarsand droppers in all bus / breaker/ adaptor and cable chambers , 02 Nos. Rack-In-Rack-Out Handles, structure made from AluZinc/GI/ Powder Coated CRCAsheets to prevent corrosion and rusting. The complete panel incl. HT and LT chamber with FRLS wiring and acessoriesshall be manufactured by approved OEM at its own mancufacturing in house facility, and same will be verified via stage/final inspection. system house integrator / channel partner products are not accepted .The offered Panel shall be type tested for Internal Arc 25 KA for 1 sec with AFLR classification Make of the VCB, Panel, Relay and Meters Shall be of the Same Make/OEM |
| 35 | (A) 02 x Incomer Panel, each comprising of :-(i) 11kV, 630Amp, 25KA/3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100. Vacuum Circuit Breaker having 03nos. vacuum bottles of same make as of circuit breaker and panel, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (110VDC). |
| 36 | (ii) Current Transformers 11kV, 300-150/1-1-1, Core3: Class 5P10, 5VA, Core2: Class 0.5, 5VA - Set of 03Nos.( for measuring, relaying and transformer differential) Core 1 :PS for REF(iii) Potential transformer (applicable for Incommer as line PT):floor rolled /CB trolley mounted Drawnout type 11kv/110v/110v, core 1: 0.5 ,20 VA Core2: 3P 20 VA 04 PT must not be panel top mounted. |
| 37 | (iv) MainProtection Relay shall be numerical IED Relay confirming to IEC60255, microprocessor based protection scheme for tripping the breaker on various faults like (a) over-current or earth-fault in any of the three phases, (b) circuit-breaker-failure alarm, |
| 38 | (c) interpanel tripping/blocking signals via GOOSE based peer-to-peer communication, on IEC61850 protocol. (d) Integrted arc flash protection with current and light sensing The relay shall be communicable on IEC 61850 GOOSE platform over double /Redundant RJ-45/USB/FO port, and fully integrated with the feeder, internally capturing feeder statuses incl. various status, Line-Current, Breaker On/Off/Spring.Chrgd, Trip Circuit Failure (from TCS relay), Local-Remote etc. and display locally on a built-in back-lit LCD screen with mimic as a Single-Line-Diagram with current measurements and suitably labelled status LEDs.(e) Over and under voltage & REF protection shall be given for Outgoing feeder Relay setting should be possible through inbuilt software or through addtional software supplied by the relay manufacturer. |
| 39 | (iv) Metering Equipment including:- (a) 01 x Digital Voltmeter (Acc.Cl.0.5), 01 x Digital Ammeter (Acc.Cl.0.5), (b) 01no. Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port. |
| 40 | (v) LED Indications - (a) Breaker ON/OFF/TRIP/Spring-Charged, (b) Trip Circuit Healthy |
| 41 | (vi) 08-Window Annunciator with Hooter to indicate following alarms :- (a) OC Trip, (b) EF Trip (c) Trip Circuit Failure, (d) Inter-Tripping Fault, The Annunciator will be complete with required Acknowledge/Test buttons as required |
| 42 | (vii) All Multi-function-meters shall be connected in a ModBus loop terminating into 01 No. ModBus-to-TCP/IP converter to be provided for sending data to SCADA console via networking switch. |
| 43 | (viii) Control Equipment incl. (a) 01 x TNC Switch, (b) 01 x Emergency Trip Push Button, (c) 01 x Local/Remote Switch, (d) MCBs for AC/DC isolation (e) Heater Switch with Thermostat - 01no. (f) 3-pin socket with ON/OFF switch - 01no. (g) LED Lamp with ON/OFF switch - 01no. |
| 44 | (ix) Flush mounted Auxillary Protection Relays incl. (a) Trip Circuit Supervision Relay, (b) Master trip Relay, |
| 45 | (B) 01 x Bus Coupler Panel with Raiser, each comprising of :- (i) 11kV, 630 Amp, 25KA/3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100with roll on floor type Vacuum Circuit Breaker having 03nos. vacuum bottles of same make as of circuit breaker and panel, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (110V DC). |
| 46 | (ii) Current Transformers 11kV, 300-150/1-1-1, Core3: Class 5P10, 5VA, Core2: Class 0.5, 5VA - Set of 03Nos.( for measuring, relaying and transformer differential) Core 1 :PS for REF |
| 47 | (iii) Main Protection Relay shall be numerical IED Relay confirming to IEC60255, having 04PT Inputs with microprocessor based protection scheme for tripping the breaker on various faults like (a) Synchronism and Energizing Check before bus-coupler closing to prevent un-syncronized mixing of supplies (b) circuit-breaker-failure alarm. (c) circuit-breaker-failures and interpanel tripping/blocking signals via GOOSE based peer-to-peer communication, on IEC61850 protocol. The relay shall be fully integrated with the feeder, internally capturing feeder statuses incl. various status, Bus-Voltage and display the same locally on a built-in back-lit LCD screen with mimic as a Single-Line-Diagram with power & frequency measurements and suitably labelled status LEDs. Relay setting should be possible through inbuilt software or through addtional software supplied by the relay manufacturer. |
| 48 | (iv) LED Indications - (a) Breaker ON/OFF/TRIP/Spring-Charged (b) Trip Circuit Healthy |
| 49 | (v) Control Equipment incl. :- (a) 01 x TNC Switch, (b) 01 x Local/Remote Switch, (c) 01 x Emergency Trip Push Button, (d) MCBs for AC (e) MCBs for DC (f) Heater Switch with Thermostat - 01 No. (g) 3-pin socket with ON/OFF switch - 01 No. (h) LED Lamp with ON/OFF switch - 01 No. |
| 50 | (vi) Flush mounted Auxillary Protection Relays incl. (a) Trip Circuit Supervision Relay, (b) Master trip Relay, |
| 51 | (vii) 08-Window Annunciator with Hooter to indicate following alarms :- (a) Trip Circuit Failure, (b) Inter-Tripping Fault, (c) Synchro-Check. (d) PT Fuse Failure The Annunciator will be complete with required Acknowledge/Test buttons as required |
| 52 | (C) 02 x Outgoing Panel, each comprising of :- (i) 11kV, 630Amp, 25KA/3-sec, Draw-Out Vacuum Circuit Breaker as per IEC-62271-100. Vacuum Circuit Breaker having 03nos. vacuum bottles of same make as of circuit breaker and panel, motorized spring charging mechanism (230VAC) with integral spring charging handle for manual charging, associated push-buttons, anti-pumping feature, and associated Shunt Trip/Close Coils (110 V DC). |
| 53 | (ii)Current Transformers 11kV, 300-150/1-1-1, Core3: Class 5P10, 5VA, Core2: Class 0.5, 5VA - Set of 03Nos.( for measuring, relaying and transformer differential) Core 1 :PS for REF |
| 54 | (iii) Main Protection Relay shall be numerical IED Relay confirming to IEC60255, having 04CT Inputs with microprocessor based protection scheme for tripping the breaker on various faults like (a) over-current or earth-fault in any of the three phases, (b) circuit-breaker-failure alarm, (c) interpanel tripping/blocking signals via GOOSE based peer-to-peer communication, on IEC61850 protocol. (d) Integrted arc flash protection with current and light sensing. (e ) Tranformer protection (Marshalling Box and Buchhloz relay). The relay shall be communicable on IEC 61850 GOOSE platform over RJ-45/USB/FO port, and fully integrated with the feeder, internally capturing feeder statuses incl. various status, Line-Current, Breaker On/Off/Spring.Chrgd, Trip Circuit Failure (from TCS relay), Local-Remote etc. and display locally on a built-in back-lit LCD screen with mimic as a Single-Line-Diagram with current measurements and suitably labelled status LEDs. Relay setting should be possible through inbuilt software or through addtional software supplied by the relay manufacturer. |
| 55 | (iv) Metering Equipment including:- (a) 01 x Digital Voltmeter (Acc.Cl.0.5), 01 x Digital Ammeter (Acc.Cl.0.5), (b) 01no. Multi-Function-Meter (Acc.Cl.0.5) shall be provided with LCD display for measuring current, voltage, power, power-factor and energy-parameters, Total Harmonic Distortion and Max. Demand Indication, same shall be communicable on ModBus via RS485 port. |
| 56 | (v) LED Indications - (a) Breaker ON/OFF/TRIP/Spring-Charged, (b) Trip Circuit Healthy |
| 57 | (vi) 08-Window Annunciator with Hooter to indicate following alarms :- (a) OC Trip, (b) EF Trip (c) Trip Circuit Failure, (d) Inter-Tripping Fault, The Annunciator will be complete with required Acknowledge/Test buttons as required |
| 58 | (vii) Control Equipment incl. (a) 01 x TNC Switch, (b) 01 x Emergency Trip Push Button, (c) 01 x Local/Remote Switch, (d) MCBs for AC/DC isolation (e) Heater Switch with Thermostat - 01no. (f) 3-pin socket with ON/OFF switch - 01no. (g) LEDLamp with ON/OFF switch - 01no. |
| 59 | (viii) Flush mounted Auxillary Protection Relays incl. (a) Trip Circuit Supervision Relay, (b) Master trip Relay, |
| 60 | Note for Item 08 (i) Cost of construction of foundation as per manufacturer design, including foundation frame (supplied by OEM), channels etc. for HT Panel as required at site are deemed to be included in the quoted rate. (ii) Each VCB panel being floor-mounted, air-insulated, fully-compartmentalizeds The OEM shall supervise and certify the commissioning/charging of equipment. (iii)Foundation frames shall be inclusive in the scope of supply of OEM. |
| 61 | (iv) All Multi-function-meters shall be connected in a ModBus loop terminating into 01 No. ModBus-to-TCP/IP converter to be provided for sending data to SCADA console via networking switch. |
| 62 | (v) Necessary cat 6 and Modbus cabling from panel to RTU panel shall be provided by the contractor with in this scope only. |
| 63 | (vii) All Incomers and BusCouplers will have suitable schemes in place to prevent mixing of un-syncronized supplies using Line/BusPT signals. Any such attempt will be reported by a suitable alarm. This facility should be implemented over soft-logic, and can be disabled by authorized personnel without requiring any on-site re-wiring. (viii) All Outgoing VCBs will have inter-tripping logic in place to ensure that Incomer breaker immediately trips in case of failure of opening of outgoing VCB experiencing feeder fault. Special and dedicated Alarm shall be in place to issued the user. This facility should be implemented over soft-logic, and can be disabled by authorized personnel without requiring any on-site re-wiring.(ix) Self powered wirelwss thermal sensor to be provided on cable termination. Sensor shall be supplied with necesary software/ hardware to communicate with existing SCADA system. |
| 64 | Supply laying jointing commissioning and testing of XLPE insulated screened, PVC bedded, galvanized steel strip/ wire armoured electric power cable FRLS PVC Sheated (Heavy duty) with multistranded aluminum conductors 300 Sqmm single core 11 KV (E) grade with stranded aluminium conductor complete laid in CableDucts/ trays/ trenches/encased in GI pipes/RCC / DWC / HDPE pipes complete all as specified and directed. |
| 65 | S&F cable end jointing kit for 11 KV grade cable for indoor type termination heat shrinkable joint complete with jointing material and accessoies suitable for single core XLPE armoured aluminium conductor cable of size 300 Sqmm complete all as specified and directed. |
| 66 | M&L for boring of holes on any type of soil of size 250 mm dia, under road/pavement/hardstanding by trenchless technology using ultra sound technique and necessary machine including material and labour for HDPE pipe of 200 mm dia suitable for 04 Kg/sqcm working pressure, Wall thickness of pipe not less than 6.5 mm for 33 KV cable complete all as specified and directed. |
| 67 | Note: for Item No 11 (i) The contractor will be responsible for taking permission from appropriate authority i.e. NHAI / IGL or other Units , if needed, for above said work. (ii) Depth of Trench Less shall not less than 2 mtr from ground level unless other wise specifed due to site requirement and contractor has to maintain the depth of trenchless up to 4 mts from ground level if required as per site conditionsall rates quoted shall be demeed to be included to maintain the Trench less depts as directed during exection to avoid damages to the existing services (iii) The cost quoted is deemed to be inculded for repiars / rectification for damages done to the existing elecrtical / comminication and water supply system / Sewage Systemduring execution of work (iv)HDPE pipe 40 mm dia (Item No 43 below) is also passing along with 200 mm dia HDPE pipe through same bore. (v)No extra cost to be paid for passing of HDPE pipe. |
| 68 | M&L for Excavation in trenches, n exc 1.5m wide and n. exc 1.5 m in depth and getting outfor laying of HTcable/OFC/Grid mating etc exc 10 Sq m on plan and getting out complete all as specified and directed. |
| 69 | All as per item No 12 (here-in-before)but in hard rocks. |
| 70 | S&F GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah/of size 200 mm dia complete all as specified and directed. |
| 71 | M&L for returing/filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft / loose soil complete all as specified and directed. |
| 72 | M&L for removing of excavated material n exc. 50m and depostiting where directed at a level n exc. 1.5m in soils complete all as specified and directed. |
| 73 | M & L forsand cushioning to underground PVC cable inclpunning down of sand layer all as specified and directed. Note :- For measurement purpose only punned sand shall be measured & paid. |
| 74 | Supply & laying reinforced precast concrete cable cover class EHV type 1 with peak size 450 mm x230mmx50mm in trenches for protection to under ground cable complete all as specified and directed |
| 75 | Supply & laying un- reinforced precast concrete cable cover class HVP type 1 with peak size 300 mm x180mmx40mm in trenches for protection to under ground cable complete all as specified and directed |
| 76 | S&F screw bolts(machine made) with hexagonal or square heads at one end and screwed the other each screw to be fitted with one washers and one hexagonal or square nut length of bolts n.exc 5cm and dia of shank 10mm all as specified and directed. |
| 77 | M&L for Cement concrete 1:3:6 type C-2 (using20mm graded crushed stone aggregate) as in foundation filling and mass concreteas in channel/drains complete all asspecified & directed. |
| 78 | Excavation in post holes n.exc 0.5 cum each getting out,returning filling in and ramming earth in layers n.exc 25cm watering and removing surplus soil to a distance n.exc 50m and making good surface in soft/loose soil complete all as specified and directed. |
| 79 | S&F Galvanised 2 strand, steel barbed wire 2.24mm dia barbed with 2mm dia barbs at 75mm spacings and straining and fixing to any type of standard rails, straining bolts, including securingor tying at crossings with and provision of galvanised mild steel wire, staples or steel pins etc etc as directed (each line wire to be measured) incl taking down old wire etc complete all as specified and directed |
| 80 | Supply only chain link MS galvanised fencing, any size or type etc complete all as specified and directed. |
| 81 | Fixing only chain link fencing including line wires, any mesh , size and type to any type of standards , rails , straining bolts, etc. including provision of binding wire complete all as specified and directed. |
| 82 | M&L for two coats of synthetic enamel paint over a coat of primer incl preparation of new steel surfaces of any description over 10cm girth or width complete all as specified and directed. |
| 83 | S&F in MS work such as in posts and struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire, etc.flat iron fillets (for securing wire mesh etc.) including all necessary drilling, bolting or riveting, etc and similar work conforming to Fe 290 Gde E-165 all as specified and directed. |
| 84 | S&F 12mm dia round TMT bars as in fencing, cut to length fixing with posts/fencing, bindingsecuring with clips etc all as specified and directed |
| 85 | M&L for preparation of new steel surfaces not.exc 10cm width or girth and applying two coats of synthetic enamel paint overa coat of red oxide primer, complete all as specified and directed. |
| 86 | Supply and fix cable route indicator made of RCC(Nominal mix) type BO 1:2:4 (12.5 mm graded stone aggregate) with 8 mm TMT Bar 1.5 M height x 60 cm wide x 10 mm thick tapered on top visible above ground duly painted with synthetic enamel paint of yellow colour base and letters with black paint. The description for writing for HT cable 33000 volts will be given by Engr-in-charge complete all as specified and directed. |
| 87 | M&L for danger notice board of 1.6 mm thick mild steel,vitreous enamelled white with letters,figures and conventional skull and bones in signal red colour and fixed with MS clamps,bolts and nuts of approved size for HT 25 x 20 CM size complete all as specified anddirected. |
| 88 | M&L for erection of steel tubular swan neck pole for security lights , type 410-SP-31, 9.0 mtr long painted with two coats of synthetic aluminium enamel paint over a coat of red-oxide primer, making 03 Nos Radium strip on pole of size 150mm height from GL to pole height 1.0 mtr complete all as specified and as directed (Note:- Excavation, PCC work shall be measured and paid separately) |
| 89 | M&L for complete fixing ofenergy efficientLED street lights fittings of 90 Watt capacity ,220 volt , 50 HZ, IP 65/66pole mountedincluding Pole Box and Connecting wire of 1.5 Sqmm 3 core from pole box to fitting all as specified and directed. |
| 90 | M&L for PCC in foundation filling and mass concrete type C2 (1:3:6) using 40 mm graded aggregate complete all as specified and directed |
| 91 | M& L for PCC type B1 (1:2:4) using 20 mm graded stone aggregate for pole coping complete all as specified and directed |
| 92 | M&L for bore earthing in hard rock of 150 mm dia, depth 30 mtr below ground level using earth electrode 50 mm dia GI pipe medium grade duly drilled hole of 12 mm dia 115 cm C/C on both side of the pipe including lowering in bore well upto the depth of 29 mtr and one mtr above the ground level the pipe electrode should be filled around commercial salt charcoal dust/Breeze and magnesium phosphate of 30 cm layer each upto the fiull length of pipe. The bore well should have 06 mtr of length 150mm dia MS pipe for protection of bore well Welding of GI strip 50 x 6 mm on earth electrod GI pipe 50 mm dia upto the 20 mtr below ground level 15 mtr from the bore well to test point. Necessary water connection by GI steel tubing light grade10 mm dia complete all as directed by Engineer-in-Charge. Note :- GI strip more than 30 mtr will be measured and paid separetely. |
| 93 | M&Lfor laying , fixing of GI strip 50 x 6 mm with saddle and fixing screw etc complete all as specified and directed. |
| 94 | M&L for Earthingwith copper plate electrode 600x600x3.15 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m below normal ground level connected to copper earth strip 20x3mm (up to 7.5 m in length from earth plate ) by means of bolts and nuts checknuts and washers of galvanized iron electric arc welding all joints all as specified and shown in electrical plate no 3 of SSR part I including necessary excavation and earth work in any type of soil PCC 1:3:6 type C1 chamber with PCC 1:2:4 type B1 40 mm thick cover with MS rod 8mm dia 150mm long reinforcement, watering funnel, 40 mm dia medium grade for protection of earth electrode 20 mm dia for watering complete all as specified and directed and tested on completion complete all as specified and directed. |
| 95 | M&L for copper strip 20 x 3 mm with saddle and fixing screw etc complete all as specified and directed. |
| 96 | M&L for gravel filling of size n.exc 40 mm, deposited spread and levelled in layers n.exc 15 cm thick, watered and rammed to a true surface complete all as specified and directed. |
| 97 | S &F fire retardant/extinguishing electric insulated synthetic mat Insulatica - 2000 of 3.0mm thick + 10% confirming to BIS : DOC No ET-02(5440) dated 30 Apr 2004, meeting requirement of IS-3043,IS-5216 (Part -I,II &II), IS-8437 and IEC-479 pub-I,tested for breakdiwn strength, tensile/Elongation ageing properties,insulation resistance , effect of acid, alkaline, diesel and transformer oil leakage current test, fire test etc, having minimumwidth of 1000mm + 20mm including all allied materials such as PU-Resin, chemical bound (Haedener) special PVC adhesive liquid primer etc of required quantity to complete the job as per site requirement of all voltages not exceeding 33 KV system without HT trolley movement. of size 2 x 1 mtr complete all as specified and directed. |
| 98 | Supply, laying, jointing and testing of armoured optical fibre underground cable, 12 core(fiber) along with light interfacing unit laid in trenches/ducts/fixed on poles/walls, laid under/path or encased in HDPE pipe complete all as specified and directed. Note : The cost of joints/SPLICING deemed to included in the quoted rate. |
| 99 | M&L high density polyethylene pipes(duct for OFC) of size 40 mm dia (HDPE) ofpressure rating 10 kg/cm2 laid in trenches/bore holes of road crossing/hard standing for laying of OFC complete all as specified and directed.. |
| 100 | M&L for Splicing work of optical fibre cable of 6/12 core forend connection at fibre optic distribution box complete all as directed. |
| 101 | S&F patch cords having any type of connectors (SC/LC/ST/FC) at both ends as per site requirement complete all as directed. |
| 102 | S&F OFC 12 LIU port complete all as directed. |
| 103 | Supply installation & commissioning of 110V/30A SCR controlled Float Cum Boost Battery Charger unit including battery bank comprising 2 Volts/100 AH Cells - 55 Nos sealed maintenance free battery.The CCCV battery charger consisting of copper wound, air cooled transformer, 01 Set single phase full wave bridge rectifier consisting of diodes and SCRs, liberally rated mounted on heat sink and complete with resistor/condenser network for surge suppression.During auto float mode automatic changeover shall take place from float mode to boost mode and vice versa, 01 Set of solid state constant potential controller to stabilize the DC output voltage of the float cum boost charger, 01 No electronic controller, DCdigital ammeter, DC digitalvoltmeter, Potentiometer, DC, MCB for reverse battery protection. The charger should have alarm annunciation with visual and audible alarm with manual reset facility for fuse fail alarm. Float cum boost battery charger and DC distribution board shall be housed in powder coated sheet steel cubicle with panels of 1.6mm thickness, louvers for ventilation, gland plate will be provided for cable entry from bottom. The battery charger shall be divided into two compartments.The upper compartment shall house the battery charger & DCDB with all necessary controls. The lower compartment shall be suitable for housing the batteries. Tech specification shall be as under:- |
| 104 | (a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V , AC , 50 Hz,1 (c) On load input power factor- > 0.8 (d) On load unit watt efficiencies-> 80% (e) No load losses of complete charge-< 10% (f)Ripple contents on the load (RMS)= 1% to 5% (g) Overload - 110% for 30 minutes and will give visual indication for over load condition. (h) Boost charging - 2.4 V/Cell. (j)Float charging -2.15 V/Cell (k) Float cum boost charging-Automatically changes from one state to another state as per battery condition and wiil give the visual indication for either float or boost based on charging mode. (l)Reverse polarity -No damage will be caused.A visual indication for reverse polarity will appear with an audio alarm. (m)Short circuit-MCB protection provided. |
| 105 | Supply, installation of required equipments at AIRFORCE MUESUM, PALAM substation for hooking up 33KV & 11KV Switchgears to SHANKAR VIHAR IDS Subattion scada and integartion subsequently.Tentetive equipments shall be as follows but not limited to: a. 1 nos. Serial to TCP Converter, RJ11 / RJ45 to Serial Converter for Multifunction meter access b. 1 nos. Relay Networking Ethernet Switches: (loose supply) to be mounted inside the 33KV or 11KV switchgear panel Managed Fast/Gigabit Ethernet 19’ Switch -each 20 Fast Ethernet ports, with single aux. supply. c. 1 nos. IEC 61850 compliant I/O units for acquisition of substation miscellaneous signals from battery charger, UPS etc. – I/O capability up to 24 I/O d. Equipment for RTCC control supported over Modbus control along with TCP Converter (if required) e. Cat 6 cable for relay networking upto ethernet switches forsubstation as required. f. OFC cable and its termination from LIU to Ethernet Switch g. Intergartion of complete 33KV & 11KV Switchgear and other substation equipments at SHANKAR VIHAR IDS Substation Scada. |
| 106 | Supply and installation of CO2 portable type fire extinguisher ISI marked confirming to IS:15683 of capacity 4.5 kg complete with delivery house horn,squeeze grip release valve, locking arrangement, operational manaul,braket with screws and sleeves complete all as specified and directed. |
| 107 | Supply and installation of CO2 wheel mountedtype fire extinguisher ISI marked confirming to IS:2878 :2004of capacity 9 kg complete with delivery house horn,squeeze grip release valve, locking arrangement, operational manual,braket with screws and sleeves complete all as specified and directed. |
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