AUGMENTATION OF EXTERNAL ELECTRIC SUPPLY AGAINST BER HT/LT EQUIPMENT ALONGWITH SCADA AND CONNECTED WORK AT DIPAC UNDER GE (U) ELECTRIC SUPPLY DELHI CANTT-10

Amount

Supply & install ,testing and commissioning of transformer as per IS : 1180 part - I, EEL-2 step down, Outdoor type, copper 99.9% purity, electrolytic grade wound 11KV/433 Volts (at no load) AC 3 phase 50 Hz 1250 KVA capacity, core type, oil immersed naturally air cooled, oil natural air natural (ON/AN) , with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYn-11 with neutral brought out on secondary side (LV) and having taping at +5% to -10% in steps of 2.5% on HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 50 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method after continuous full load run on an ambient temp of 40 degree Celsius transformer shall be of BOLTLESS core design complete all as specified and directed.

Transformer shall be double wound, core type with low loss, non ageing, high permeability CRGO prime core grade M-OH / ZDKH /TCH grade , perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076 and as per IS-1180 part - I of 2014 marked. Flux Density at rated voltage and rated frequency should be 1.688 T the transformer shall be designed as per CBIP manual 317 for over-fluxing withstand capacity of 110% continuous, 125% for 1 minute and 140% for 5 seconds. and over loading capacity of transformer shall be as per IS 6600 , Noise level as per NEMA TR1, with class A insulation, Tank pressure, Vacuum withstand capability & minimum clearances as per CBIP manual, No Load Current within 1% to 2% of Full load current Transformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with Energy Efficiency Level - 2 and shall comprise of the following accessories :-

(a) One cable box on HT side (Primary side) consisting of three no. porcelain bushing with copper rods, complete with nuts and washer , suitable for reception/taking out 3 core 120 /185 , HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete.

(b) One cable box on LT side(secondary side) consisting of four no. porcelain bushing with copper rods, complete with nuts and washers, suitable for reception/taking out of Bus Trunking system sandwitch type, LT 1100 volts grade.

(c) Conservator with filter type drain valve and oil level gauge.

(d) De-hydrating breather with first fill of dehydrating agent (Silica Gel).

(e) Explosive vent, Thermometer pocket on tank cover, oil level gauge, Oil drain filter valve, Jacking / Lifting lugs, Marshalling Box, with oil filling hole with cap/plug with connection plate complete, Air release valve plug and four no. plain solid cast steel detachable rollers.

(f) One no 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree Celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device.

(g) Two earthing terminals on tank cover to facilitate fixing of 50x6mm galvanised iron earth strip for earthing of body.

(h) Rating plate and terminal marking plate.

(j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral.

(k) First fill of new and unused transformer oil, IS-335 of 1986 marked, filtered and tested up to 50 KV dielectric strength at 2.5 mm air gap between testing electrodes, specific resistance at 27 Degree Celsius Ohm-ohm 500 x 10 the power12, water content 50 PPM, Dielectric dissipation factor (tan Delta at 90 degree Celsius) 0.005, Neutralisation value mg of KOH/gm of oil 0.03, Inter facial tension N/M at 27 Degree Celsius - 0.04, flash point 140 Degree Celsius and sludge 0.1 % by weight.

(l) Detachable Rollers of adequate load capacity

(m) Top and Bottom Filter cum drain Valves with Dummy Plate.

(n) 6" Oil temperature indicator and winding temperature indicator with alarm and Trip contacts

(o) Radiators shall be of Detachable type with proper butter fly valves

(p) Double Float Buchholz Relay with alarm and trip Contacts

(q) Providing adequate size and 2 nos of channels, embeded in floor, for movement of transformer.

(r) Tranformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with energy Effeciency level - II.

(s) Oil temperator indicator , winding temperature indicator, marshlig box single window, double flit buchhols relay with alarm and trip contact including connection to VCB relay with PVC insulated PVC sheathed cable galvanized steel strip or wire armoured electric control cables (Heavy duty) with stranded copper conductor of size 2.5 sq mm 12 core 1100 volts grade. NOTE :- 1(i) Rate quoted includes the cost of labour for making and Testing of controll wiring connection at the Transformer and RMU/VCB for the Temperature alarm/Trip, Gas alarm/Trip. (ii) Controll cable shall be measured and paid seperatly. 2. Before procuring transformer as catered in item No 1.00 of (Sch ‘A’ Part-I) the contractor shall ensure the following :- (a) The OEM of the transformers should have in house LAB Certificates for Accreditation from National Accreditation Board for testing and Calibration laboratories. (b) Manufacturer/OEM must have type test/short circuit reports for 1250 KVA Transformer from CPRI/ERDA (matching all the major parameters including the Loss Figure) & shall not be older than 5 years.

(c) Core shall be procured from one of these manufacturers- Posco/Nippon/NLMK/AK Steels or NOVEX Trader CRGO and CRGO core grade used should be M-OH/ZDKH/TCH only. Procurement, Mill’s Test Certificate/ Invoice from supplier/Bill of landing Bill of entry certificate by CUSTOMS shall be provide. The OEM should have in house core cutting/ slitting Machine. Burr level should be less than 10 Microns. (d) CPRI Short circuit test report for exactly similar transformer (matching all major electrical parameters including Loss Figure) shall not be older than 5 years to be furnished. (e) OEM should be BIS and BEE certified for all the ratings of the transformer that are to be submitted. (f) Rate quoted includes the cost of making and Testing of control wiring connection at the Transformer and RMU/VCB for the Temperature alarm/Trip, Gas alarm/Trip. And the Control cable shall be measured and paid separately under relevant item. (g) Expenses/ cost for FAT and necessary Travel/ freight/ conveyance/ stay expenses for inspecting/testing officers as nominated by the Accepting Officer for FAT shall be included in the rate quoted. (h) The contractor should obtain warranty from OEM for minimum period of 5 years for all the transformer supplied. 3. Contractor shall ensure and submit all the necessary certificates as mentioned above form the OEM within 07 days of commencement of work and get approval in writing from the GE before procurement of transformer from a particular OEM.

M & L for platform for the Transformer of cap 1250 KVA of size 2.5 x 2.5 x 1.2 mtr, PCC 1:4:8 type D-2, 40 mm graded crushed stone aggregate, 15 cm thick in foundation, brickwork in CM 1:6 with sssub class 'B' old size bricks, redering 15 mm thick in CM 1:6 exposed surface and 100 mm thick PCC padding 1:2:4 type C-1 using 20 mm graded crushed stone aggregate on top and grouting of 2 x MS channel of size MC 100x50 for Transformer base and incl stair , provisioning of Hume / HDPE pipe of required length to accomdate HT cable of size 120-185 sqmm on HT side chamber complete all as specified and directed.

Supplying, installing, testing and commissioning of Indoor arc flash protected Draw-Out with roll on floor type Vacuum Circuit Breaker Panel , rated for 11kV, 800 Amp, 26.3kA/3-sec, comprising of 02 No. Incomer, 01 No. Bus Coupler and 03 Nos. Outgoing VCB Panels and floor-mounted/ top mounted Bus PTs for each bus section, confirming to IEC 62271-200, Internal Arc Classified IAC AFLR – 26.3kA for 1sec, Accessibility Class LSC2B-PM Class, comprising of 800 Amp, continuous rated Copper busbars and droppers in all bus / breaker/ adaptor and cable chambers, 02 nos. Rack-In-Rack-Out Handles, structure made from AluZinc/GI sheets to prevent corrosion and rusting. The complete panel incl. HT and LT chamber with FRLS wiring and acessories shall 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 arenot accepted .The panel shall consist of following OEM / Makes: ABB/ Siemens/ Schnider/ Crompton complete all as specified and directed. Note:- (i) System house Integrator , Channel partner products are not accepted .Make of VCB, panel and relay should be same. (ii) Rate Quoted includes the cost of Relay to Relay integration for auto transfer of Load / Auto closure of BUS Coupler for Source failure transfer on SCADA between the two Incomers.

(A) 02 x Incomer Panel, each comprising of :-

(i) 11kV, 800 Amp, 26.3kA/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 (24V DC).

(ii) Current Transformers 11kV,400-200/1A-1A, Core1: Class 5P10, 5VA, Core2: Class 0.5, 5VA, Core3: Class PS-X - Set of 03 Nos per breaker

(iii) Potential Transformers, Draw-out type for easy maintenance, 11kV/rt3:110V/rt3, 50VA, Cl.0.5 with associated gun-type HRC fuses and MCBs for HT/LT isolation - Set of 03 Nos.

(iv) Main Protection Relay shall be numerical IED Relay confirming to IEC60255, having 04CT+05PT Inputs with microprocessor based protection scheme for tripping the breaker on various faults like (a) Directional over-current or earth-fault in any of the three phases, (b) Synchronism and Energizing Check before breaker closing to prevent un-syncronized mixing of supplies (c) circuit-breaker-failure alarm, (d) interpanel tripping/blocking signals via GOOSE based peer-to-peer communication, on IEC61850 protocol. (e) Integrted arc flash protection with current and light sensing 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, Line-Voltage, Breaker On/Off/Spring.Chrgd, Trip Circuit Failure (from TCS relay), AC Supply Fail, PT Fuse failure relay, Local-Remote etc. and display 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.

(v) 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.

(vi) LED Indications :- (a) Breaker ON/OFF/TRIP/Spring-Charged, (b) R-Y-B, (c) DC Available LED with push-button (d) AC Supply Fail (e) Trip Circuit Healthy

(vii) 08-Window Annunciator with Hooter to indicate following alarms :- (a) OC Trip, (b) EF Trip (c) Trip Circuit Failure, (d) Inter-Tripping Fault, (e) Synchro-Check. (f) PT Fuse Failure The Annunciator will be complete with required Acknowledge/Test buttons as required

(viii) 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 - 01no. (g) 3-pin socket with ON/OFF switch - 01no. (h) LED Lamp with ON/OFF switch - 01no.

(ix) Flush mounted Auxillary Protection Relays incl:- (a) Trip Circuit Supervision Relay, (b) Master trip Relay, (c) PT Fuse failure relay. (d) DC Supervision Scheme

(x) Suitable Disconnecting Link type terminal arrangement shall be provided for interfacing PS-Class CTs installed in the panel for achieving the required protection.

(B) 01 x Bus Coupler Panel, comprising of :- (i) 11kV, 800 Amp, 26.3KA/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 (24V DC).

(ii) Current Transformers 11kV, 400-200/1A-1A Core1: Class 5P10, 5VA, Core2: Class 0.5, 5VA, Core3: Class PS-X - Set of 03 Nos per breaker

(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.

(iv) LED Indications - (a) Breaker ON/OFF/TRIP/Spring-Charged, (b) R-Y-B, (c) DC Available LED with push-button (d) AC Supply Fail (e) Trip Circuit Healthy

(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.

(vi) Flush mounted Auxillary Protection Relays incl. (a) Trip Circuit Supervision Relay, (b) Master trip Relay,

(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

(C) 03 x Outgoing Panel, each comprising of :- (i) 11kV, 630 Amp, 26.3KA/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 (24V DC).

(ii) Current Transformers 11kV, 200-100/1A-1A for 1 outgoing, 250-125/1A-1A for 2 outgoing, Core1: Class 5P10, 10VA, Core2: Class 0.5, 10VA - Set of 03 Nos. Per breaker

(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.

(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.

(v) LED Indications - (a) Breaker ON/OFF/TRIP/Spring-Charged, (b) R-Y-B, (c) DC Available LED with push-button (d) AC Supply Fail (e) Trip Circuit Healthy

(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

(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.

(viii) Flush mounted Auxillary Protection Relays incl. (a) Trip Circuit Supervision Relay, (b) Master trip Relay, (c) DC Supervision Scheme

(ix) Transformer protection each comprising of :- (a) Oil Temperature high. (b) Winding Temperature high. (c ) Tank oil level low. (d) Buchhloz relay trip or sudden gas and sudden oil pressure relay trip. (e) Pressure relief.

Supply, Installation, Testing & Commissioning of manufacturers/OEM factory made bus duct sandwitch type epoxy casst resin or multi-layer polyester film insulated minimium class 'B' made of high conductivity copper bars 2000 Amp TPN + copper earth strip Bus duct 88 KA for 1 Sec , IP-65, Impulse Voltage 12 KV, 2000 Amp Bus trunking 3P4W with 100% neutral + enclosure as Integral earth, 433 V three phase, neutral + earth system & housed in 1.5 mm electro galvanised steel epoxy coated or Al- Mg alloy (Powder coated finish) housing, for outdoor type installation i.e IP- 65 protection, fixed as per IEC 61439 Part I and 6 including straight lengths, end termination, copper fiexible , flanged end and bend/elbows (Vertical & horizontal), Suspension Brackets, Spring Hangers, Adaptor Boxes, Canopy (outdoor side) etc complete all as specified and directed Note:- (i) Rate quoted includes the cost of cutting holes in wall, earth work, PCC work/ steel strcture/ supports/ clamps etc duly painted for installation of the Bus Duct from Transformer to LT panel . The design of steel structure & Canopy should be as per OEM recommendation. (ii) The measurement shall be calculated as from flexible connectors of LT panel to flexible connectors of transformer end ( that includes all acesoories of the Sandwich busduct).

Supplying, laying, testing and connecting XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable of size 185 sqmm 3 core (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS-7098, Part-II marked, suitable for HT 11 KV(E) system, laid in trenches / ducts / encased in GI pipe including jointing & testing complete all as specified and directed.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 185 sqmm 3 core XLPE armoured aluminium conductor cable complete all as specified and directed.

Supply and fix Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for 120-185 sqmm 3 core XLPE armoured aluminium conductor cable complete all as specified and directed

Supply, installation, commissioning in replacement of old unsv MS panel and testing of feeder pillar board ,LT(415 Volts, 50 Hz, 3-phase, 4 wire supply) CPRI approved, factory assembled ,indoor type, confirming to IS IEC 61439 Pt-I & II (TTA Panel), floor mounted with rated Bus bar as per switchgear/ IE Rules, rating chamber comprising 4 nos copper bus bar( neutral capacity 100 %) , with necessary CTs,meter etc heat dissipated, natural ventilation, complete with communication, multifunctional meter with RS 486 port,/ Ethernet based multiple DI/DO logics alongwith internal communacation wirings with all accessories comprising of the following as per the scheme provided by accepting officer complete all as specified and directed

(A) LT Panel, ACBs & MCCBs shall be comptable SCADA/ Microprocessor RTU Based alongwith the following provisions:-

(i) Under Voltage Release instantaneous for , 380-415 V AC

(ii) Auxiliary switch for 2 NO+2NC

(iii) Position signal switch for withdrawable breaker

(iv) Castell lock mounting kit

(v) Door interlock

(vi) Spring Charge Limit Switch

(vi) Microprocessor based Protection function LSING with current display

(vii) 208-240 V AC. 220 DC Motor, Closing Coil & Shunt trip Coil for ACBs & MCCBs

(viii) Castell Lock

(ix) CT with suitable cap alongwith Metering Current transformer

(x) Multifunctional Meter of class 0.5 Accuracy

(xi) 3 Phase Volt meter

(xii)3 Phase Ammeter Meter

(xiii) 10A, 24V DC, LED indicator , 8 pin, 2CO, Plug in Relay

(xiv) Din rail mounting , Plug-in-relay

(xv) 10A, 230 V AC, Aux.Contactor with Ac Coil, Aux, Contact 2NO+2NC (size S00)

(xvii) TNC switch

(xviii) Black, normal opaque actuator with holder for contact block modular push button

(xix) 1 NO contact block for rear mounting for panel mounting

(xv) Red , 220V/240V AC , completing Indicating Lamp assembly with integrated LED

(xvi) Yellow , 220V/240V AC , completing Indicating Lamp assembly with integrated LED

(xvii) Green , 220V/240V AC , completing Indicating Lamp assembly with integrated LED

(xviii) Blue , 220V/240V AC , completing Indicating Lamp assembly with integrated LED

(xix) White , 220V/240V AC , completing Indicating Lamp assembly with integrated LED

(xx) Amber, 220V/240V AC , completing Indicating Lamp assembly with integrated LED

(xxi) 6A,2P, 10KA C Curve MCB

(xxii) 6A,3P, 10KA C Curve MCB

(B) DETAILS OF INCOMING, OUTGOING INCL BUS COUPLERS AS UNDER:-

INCOMING:-

(i) ACB 4 pole, 2000 Amps Micro processor release, Electrical drawout, Adjustable type, 50 Hz, 415 Volts, 65 KA -2 No (From two Transformers)

(ii) ACB 4 pole, 1000 Amps Micro processor release, Electrical drawout, Adjustable type, 50 Hz, 415 Volts, 65 KA - 02 Nos ( For as incomer to 1st & IV th Bus section for 2 x 500 KVA DG sets automation and interlocked with under volt for AMF Operation)

BUS COUPLER :-

(i) ACB 4 pole, 2000 Amps Micro processor release Electrical drawout, Adjustable type, 50 Hz, 415 Volts, 65 KA -01 No (Between two Incomer from transformer))

OUTGOING:-

(i) ACB of cap 800 Amp 4 pole, Micro processor release, Electrical drawout, Adjustable type, 50 Hz, 415 Volts, 50 KA - 05 Nos

(ii) ACB of cap 630 Amp 4 pole, Micro processor release, Electrical drawout, Adjustable type, 50 Hz, 415 Volts, 50 KA - 04 Nos

(iii) MCCB 4 pole of cap 400 Amp, 4 pole, 36 KA - 02 Nos

(iv) MCCB 4 pole of cap 320 Amp, 4 pole, 36 KA - 07 Nos

(v) MCCB4 pole of cap 250 Amp, 4 pole, 36 KA - 13 Nos

(vi) MCCB4 pole of cap 200 Amp, 4 pole, 25 KA - 03 Nos

(vii) MCCB4 pole of cap 160 Amp, 4 pole, 25 KA - 03 Nos

(viii) MCCB4 pole of cap 125 Amp, 4 pole, 25 KA - 09 Nos

Note :- (i) All MCCBs should be plug in type with spreader terminals/ Bimetalic extended links MCCBs above 250 Amp, should be of microprocessor based tripping and All ACB shall be of EDO type microprocessor based tripping system with communication port compatable for SCADA, alongwith additional TNC switch/LED ON-OFF indication on the LT Panel. (ii) All Bus Coupler & generator ACBs will be with under voltage tripping system. (iii) Bus Couplers for DG sets will mechanically & electrically interlocked for 500 KVA DG automation/AMF operation. (iv) Discrimination chart to be submitted in respect of all ACBs. (v) The Panel should be catered/fabricated as per the proposed SLD & to be bougth to site as units panels for easy shifting / transportation and to be assembled together with all the bus bars, connectors and acessories at existing site/ sub station the panel shall be installed along the cable ducts / parallel to the wall / in (L) shape / corners of sub station building (all to be assemble as one master panel) as per the fesibility

Supply, installation, commissioning in replacement of old unsv panel and testing of LT Feeder pillar board Kiosk type , 415 Volts, 50 Hz , 3-phase,CPRI approved, having copper bus bar not less than 1.5 times of rated MCCBs, factory assembled ,indoor type weather and vermin proof (Protection Class IP-54) made out of 40m x 40mm x 5mm angle iron frame ,3.15 mm thick MS Sheet CRCA sheet for outer and 2.0 mm for inner ,single door system, door interlock with all MCCB.The outer cell shall have both side hinged, front and back openable , opening for external, rubber lining, locking arrangement, painted externally and internally with two coats of synthetic enamel gray paint First Quality) over a coat of red oxide primer complete floor mounted with 75 mm high base channel complete all as directed with Al thimble of suitable size.

INCOMING:- (i) MCCB 4 pole, 400 Amps, 50 Hz, 415 Volts, 36 KA Micro processor release setting- 1 Nos (ii) Voltmeter digital - 01 No (iii) Ammeter digital type - 01 No (iv) CT ratio 400/5 Amp class-1 ISI marked - 01 Set of three (v) Indicating LED lamp one set of three

OUTGOINGS:- (i) MCCB 4 pole, 200 Amps, 50 Hz, 415 Volts, 36 KA Adjustable Thermal and Adjustable Magnetic setting- 2 Nos (ii) MCCB 4 pole, 125 Amps, 50 Hz, 415 Volts, 25 KA Adjustable Thermo and Fixed Magnetic setting - 2 No (iii) MCCB 4 pole, 100 Amps, 50 Hz, 415 Volts, 25 KA Adjustable Thermo and Fixed Magnetic setting - 2 No (iv) MCCB 4 pole, 63 Amps, 50 Hz, 415 Volts, 25 KA Adjustable Thermo and Fixed Magnetic setting - 2 No

Supply, installation, commissioning of outdoor type stainless steel (SS 316) cubical enclosure compartmentalized exterior and interior mirror type brushed suitable for highly corrosive environment, high creep resistance, better mechanical properties like ductility, yield strength, hardness etc.The enclosure shall be made of 2 mm thick SS 316 sheet. The fixing of double doors shall be on SS hinges with anti-theft provision (the door can’t be removed from enclosure without cutting enclosure). All fabrication/welding shall be done with TIG/MIG or as approved by Engineer in charge suitable for SS 316. Sliding handle and locking arrangement front and rear both side . Enclosure shall be suitable for AC supply system 415 volts 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with insulated Aluminium bus bar installed on proceline/ SMC insulator of rating not less than 1.5 times of incoming/ outgoing ACB/MCCBs . IP-55 class protection and mounted on channel 75 mm welded with panel of SS 316 with 04 Nos foundation bolt of size not less than 20 mm dia and 300 mm long. The enclosure shall have provision of cable alley . Cable entry from bottom side including internal wiring with PVC insulated solid, copper conductor FRLS cable, IS-694 marked, 1100 volts grade of appropriate size (but not less than 2.5 sqmm) complete all as specified and directed

INCOMING:- (i) MCCB 4 pole, 250 Amps, 50 Hz, 415 Volts, 36 KA Micro processor release setting- 1 Nos (ii) Voltmeter digital - 01 No (iii) Ammeter digital type - 01 No (iv) CT ratio 250/5 Amp class-1 ISI marked - 01 Set of three (v) Indicating LED lamp one set of three

OUTGOINGS:- (i) MCCB 4 pole, 200 Amps, 50 Hz, 415 Volts, 25 KA Adjustable Thermal and Adjustable Magnetic setting-1 Nos (iii) MCCB 4 pole, 100 Amps, 50 Hz, 415 Volts, 25 KA Adjustable Thermo and Fixed Magnetic setting - 1 No (iv) MCCB 4 pole, 63 Amps, 50 Hz, 415 Volts, 25 KA Adjustable Thermo and Fixed Magnetic setting - 1 No

Supply, installation, commissioning and testing of LT Feeder pillar board Kiosk type Outdoor type, 415 Volts, 50 Hz , 3-phase, CPRI approved, having aluminium bus bar not less than 1.5 times of rated ACBs, factory assembled ,outdoor type weather and vermin proof (Protection Class IP-54) made out of 50m x 50mm x 5mm angle iron frame ,3.15 mm thick MS Sheet CRCA sheet for outer and 2.0 mm for inner , single door system, door interlock with all ACB.The outer cell shall have both side hinged, front and back openable , opening for external, rubber lining, locking arrangement, painted externally and internally with two coats of synthetic enamel gray paint First Quality) over a coat of red oxide primer complete leg mounted with complete all as directed with Al thimble of suitable size.The LT Panel comprising as follows:-

(i) ACB 4 pole, 800 Amps Micro processor release, Electrical drawout, Adjustable type, 50 Hz, 415 Volts, 50 KA -1 No - 02 Nos (As Bus Coupler -1 No & Outgoing-1 No) (ii) Voltmeter digital - 01 No (iii) Ammeter digital type - 01 No (iv) CT ratio 800/5 Amp class-1 ISI marked - 01 Set of three (v) Indicating LED lamp one set of three

(vi) Cable entry from bottom side including internal wiring with PVC insulated solid, copper conductor FRLS cable, IS-694 marked, 1100 volts grade of appropriate size (but not less than 2.5 sqmm). (vii) The LT Panel should be coupled with the existing LT Panel along with aluminium Bus Bar not less than 1.5 times of rated current . Additional Canopy to be provided if required to reduce the ingress rainwater at the Bus Coupling.

Note for item No- 9 & 11:- (i) All incoming and outgoing feeder shall be connected by cable through suitable size glands & thimbles. (ii) The various outgoing/incoming feeders shall be indicated by 50 mm size letters in synthetic enamel paint/ Flourcent refelctive lettring and the panels should be marked as 'front /back' by the same . (iii) The danger plate should be fixed on both side of panels. (iv) Indicating lamps 22.5 mm dia LED type , 240 volts AC at the Incomer of the unit to show three phase availibility at the outgoing of incomer with backup protection by 2 Amp MCB. (v) Inspection Lamp 9 watt LED with moveable non-ferrous chromium plated arm fitted on topside of inner shell. (vi) All MCCB should be connected to Bus bar directly through expended links (vii) All MCCB with adjustable protection for over load and short circuit and conforming to IEC60947/IS 13947/Pt. II/1993 (Latest Version). The MCCB should have Ics=100% Icu. The MCCBs shall have spreader links and barriers as standard feature of manufacture. (viii) Costruction of Foundation & taking out of the old connected cables and reconnection of the same with new thimbles, gland of suitable size are deemed to the above quoted rate.

Supply, laying, jointing, testing and commissioning of LT underground cables 1100 volts grade any size PVC insulated XLPE and PVC sheathed, heavy duty armoured, with multistranded aluminium conductors, IS-7098, Part-I marked, laid in trenches/ duct/ cable tray/ under road/ footpath/ cable route diversions / under services etc complete all as specified and directed of the following sizes:-

(a) 400 sqmm x 3.5 core

(b) 300 sqmm x 3.5 core

(c) 240 sqmm x 3.5 core

(d) 185 sqmm x 3.5 core

(e) 150 sqmm x 3.5 core

(f) 120 sqmm x 3.5 core

(g) 95 sqmm x 3.5 core

(h) 70 sqmm x 3.5 core

(j) 50 sqmm x 3.5 core

(k) 25 sqmm x 4 core

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded copper conductor IS-7098, Part-I, of size 1 core 300 Sqmm from 2 x 500 KVA DG Sets to LT Panel complete all as specified and directed

Supply and laying copper control cable 12 core 2.5 sqmm ,unarmoured for control wiring of DG Set controller/ Tfr with HDPE pipe 40mm dia from 2 x 500 KVA DG Set to AMF / LT Panel / transformer to VCB panels all as specified and directed.

Supply and fix cable jointing kit for 1.1 KV grade cable for straight through joint complete with Jointing material heat Shrink type and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable complete all as specified and directed of folllowing sizes:-

(a) 300 sqmm to 400 sqmm x 3.5 core

(b) 185 sqmm to 240 sqmm x 3.5 core

(c) 70 sqmm to 150 sqmm x 3.5 core

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 50-80 mm bore and making good both ends all specified and directed

S & F GI Pipe (light grade) with necessary accessories/ fittings for cable protections/pole for crossing of culverts/nallah etc complete all as specified and directed of following sizes:-

(a) 50 mm dia.

(b) 80 mm dia

(c) 100 mm dia

Supply and fixing with wall/ pillar/ iron structure etc of hot dip galvanised perforated cable tray, with solid cover fabricated from GI Sheet in standared length of 2.5 mtr of thickness 14 SWG , depth 100 mm , width 500 mm along with accessories i.e. bends (any type), right/left/center reducer , tee, straight coupler etc as required at site including MS work for support/ hanging of suitable size as directed complete all as specified and directed Note:- (i) The Steel Febrications work will be measured and paid under Respective Items under Sch 'A'. (ii) The measurement shall be calculated as RM incl accessories for the cable tray.

All as Srl item No-18 (here in before) but depth 75 mm , width 300 mm .

All as Srl item No-18 (here in before) but depth 75 mm , width 200 mm .

All as Srl item No-18 (here in before) but depth 75 mm , width 150 mm .

Fencing:- Excavation in post holes (for similar holes) each n exc 0.5 cum soft/loose soil and getting out, returning, in and ramming earth or broken rubble mixed with earth around in layers not exceeding 25cm, watering and removing surplus soil to a distance n exc 50 m and making good surface complete all as specified and directed

Material & labour for PCC 1:3:6 type C-2 using 40 mm graded stone aggregate in mass concrete and filling complete for foundation or any type complete all as specified and directed

Supply only chain link MS galvanized fencing any size or type including provision of binding wire complete all as specified and directed

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc including provisition of binding wire complete all as specified and directed

S&F framed bracket of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles as necessary gusset plates, riveting etc as in fencing post including cutting tops to shape as directed, drilling holes, notching for wire etc complete all as specified and directed

M&L for preparation of new steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed

M&L for preparation of new steel surfaces of any description, n. exc. 10 cm in width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed

Supply and fixing On load Motorized Changeover switch with out door suspended floor mounted/ leg mounted 40x40x6mm angle iron type with canopy Sheet Steel Enclosure to be fabricated as per the site requirement for accomdating the C/O Switch, cable connections, operaion relay if any of cap 630 Amp (Conforms to IEC 60947-3 , IS/IEC 60947-3) connecting with incoming/ outgoing cables with necessary Al thimbles complete all as specified and directed

All as Srl item no-29 (here in before) but 400 Amp.

All as Srl item no-29 (here in before) but 315 Amp.

M & L for supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending hot or cold, drilling holes for bolts in any shape or size as directed and inclusive of one coat of red oxide primer and two coats of aluminium paint fixed in repairs complete for supporting of LT panels/ LTCables/ cable trays/ ducts etc complete all as specified and directed

Earthing for machinery/ equipment Installed at power house/ substation complete with galvanised steel earth plate electrode 60 cm x60 cm x 6 mm thick buried directly in ground ,Earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meter below normal ground level ,connected to and including galvanised iron earth wire 32 X 6 mm by means of nut, bolts, check nuts and washers of galvanised iron or steel and provision of charcoal dust and common salt packed all around the earth plate including necessary excavation and earth work in soft/loose soil and testing complete all as specified and directed and shown in electrical plate number 3 of MES SSR part-I(2009). (a) Excavation and earth work for drilling hole for electrode in soft/loose Soil. (b) PCC pit in cement concrete 1:2:4 type B-1, Pre cast RCC cover with suitable handle 40 mm thick in PCC 1:2:4 type B-1, reinforced with welded steel wire fabric weighing not less than1.87 Kg/ Sq meter. (c) Funnel with watering pipe of GI 20 mm nominal bore light grade and lugs etc complete all as specified and directed (d) 40 mm nominal bore medium grade GI protection pipe for protection of earthing lead complete all as specified and directed. (e) Requisite quantity of common salt and charcoal. (f) Testing of earthing.

All as Srl item no-33 (here in before) but using 20 x 3 mm copper strip and copper plate of size 600 x 600 x 3.15 mm, as earth electrode.

Supply and fixing Earth continuity conductor of size 20 x 3 mm copper strip or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required all as specified and directed.

M&L for bore earthing 150 mm dia, depth 50 mtr below ground level using earth electrode 50 mm dia GI pipe medium grade duly drilled hole of 12 mm dia 15 cm C/C on both side of the pipe including lowering in bore well upto the depth of 49 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 full length of pipe. The bore well should have 06 mtr of length 150 mm dia MS pipe for protection of bore well. The GI strip 32 x 6 mm 20mtr welded on earth electrod, GI pipe 50 mm dia and GI strip 15 mtr from the bore well to test point. Neccesary water connection by GI steel tubling light grade 20 mm dia complete all as directed Note:- GI strip more than 35 mtr will be measured and paid separately.

Supply and laying in sub station building 3.3 to 11 KV electrical insulation mat of size 2.5 mm thick specification as per IS 15652 2006 complete all as specified and directed

Supply and laying Rubber mat of 2 mm thick specification as per IS 15652 2006 complete all as specified and directed by Engr In Charge.

Supply & fixing in replacement KIOSK Box weather proof made up of one piece mounted on SMC base and door pole mounted hinged door of size 333 x233x 120 mm outside and 300 x 200 x105 mm inside dimension comprising of aluminum bus bar 4 strips for 3 phase and neutral 63 Amp and 6 Amp fuse grip with base for controlling the steet light fitting and FL clamps 30x4mm with necessary MS nuts bolts and washers and including applying two coasts of synthetic enamel paint over a coat of red oxide zinc chrome primer on new steel surface and including embassing/painting of Danger notice of size not less than 10 cm x 7.5cm with letters, figures and conventional skull and bones in signal red colour on front face of KIOSK box body complete all as directed.

Cable Duct Demolition of cement concrete unreainforced in ground floors and pavings exc 15 cm thickness (below or above ground level) complete all as specified and directed

Excavating over areas, n exc 1.5 m deep and getting out in soft/loose soil complete all as specified and directed

M & L for Cement concrete type C2 1:3:6 (40 mm graded aggregate) in foundations, filling and mass concrete complete all as specified and directed

M&L for brick work with sub class 'B' bricks built in cement mortar 1:4 straight on plan using old size bricks complete all as specified and directed

M&L for PCC 1:2:4 type B0(using 12.5mm graded stone aggregates) as in coping complete all as specified and directed

M & L for rendering with cement plaster 1:4, 10 mm thick on fair faces of brick work or concrete surfaces complete all as specified and directed

S&F Joist, channel, angle or tee sections, fixed independently,without connection plates, etc(Cut to ordinary lengths) incl notching, drilling, fitting, riveting and/or welding or connecting with bolts and nuts (including rivets or bolts and nuts), providing and fitting etc., also and fixing confirming to Fe 410W(Gde E-250)complete all as specified and directed

S&F M S plates not less than 10 mm thick cut or notched(Ordinary and counter sunk) forming holes without any attachment confirming to Fe 410W(Gde E-250) complete all as specified and directed

Material & labour for laying of chequered plates by cutting / making in to the shape providing necessary angular supports and handles with 6 mm dia rod as per the site condition for cable trenches of sub-station alongwith painting of one coat of synthetic enamel over a coat of two coats of redoxide all as specified and directed.

Returning filling in,. Including spreading, levelling,. Watering and well ramming soil in layers not exceeding 25 cm thick complete all as specified and directed

Removing excavated material (ie soil) from site to a distance n. exc 50 mtrs away and depositing where directed at a level n. exc. 1.5 mtr above the starting point complete all as specified and directed.

M&L for preparing & applying two coats of synthetic enamel paint over a coat of red oxide paint on steel surfaces exceeding 10 cm width or girth complete all as specified & as directed .

Removing building materials etc. to a distance of 100m or under, beyond the lead included in the rates, including loading, unloading and stacking at the destination complete all as specified and directed

Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/losse soil) for laying of cables or GI pipe and getting out and levelling of bottom suface to required level complete all as specified and directed

Material and labour for river washed and screened, dry sand for filling in trenches below and around underground cables for cushioning of cables etc, complete all as specified. Note : Measurement shall be taken after punning down.

S&F sub class B bricks having minimum compressive strength 75 Kg/ Sq cm laid in trenches for cable protection etc complete all as directed

Disconnecting the HT/LT electric supply, earthing from 2 x indoor Transformer of cap 750 KVA, 6 x VCBs incl Adaptor Panel, Unsv LT panel, cables of the network system of DIPAC indoor sub stn and removal of the same carefully with out any damaging civil structure complete all as specified and directed and removal of the unsv LT Panel from DIPAC sub stn for disposal under credit schdule to the Contractor. (Note:- 01 x VCB alongwith Adaptor Panel to be re-installed with new projected VCBs , matching with new bus bar position and the same should be measured and paid separately under relevant items of sch.)

Material and labour for fixing, installation of 01 x VCB alongwith Adaptor Panel (retrived from item No-56.0) with new set of VCBs after alingment of new HT bus bars by providing of new copper bus bar of suitable sixe , (if required ), bending, making holes, support insulator etc all as specified and directed.

M & L for Shifting of the 2 x Transformers, 5 x VCBs to MES yard of GE (U) Electric Supply complete all as specified and directed Note :- (i) The rate of transportation, T & P and manpower is included in above quoted rate. (ii) Unsv LT Panel, cables from DIPAC sub stn should be handed over to the contractor for disposal under credit schdule.

Taking out the old LT underground cable , 1100 volts grade, insulated and PVC sheathed, armoured heavy duty with multistrand aluminium conductors from trenches / wall / floor / road / culverts or pole complete all as specified and directed of following sizes :- (a) Old LT UG cable of size 300-400 sqmm x 3.5 core

(b) Old LT UG cable of size 185-240 sqmm x 3.5 core

(c) Old LT UG cable of size 95-150 sqmm x 3.5 core

(d) Old LT UG cable of size 50-70 sqmm x 3.5 core

(e) Old LT UG cable of size 25 sqmm x 3.5/4 core

(f) Old LT UG cable of size 240-630 sqmm x 1 core

Labour for re-laying of serviceable cable of following sizes (retrived from item No-59) in trenches / wall /tray/ floor / road / culverts or pole complete all as specified and directed (Note:- Excavation and earth work, duck work , GI pipe for laying of cable and sand cushing / cable protection covers, straight through joints etc are beyond the scope of this item and shall be measured & paid for separately under relevant items of sch).

(a) LT UG cable of size 300-400 sqmm x 3.5 core

(b) LT UG cable of size 185-240 sqmm x 3.5 core

(c) LT UG cable of size 95-150 sqmm x 3.5 core

(d) LT UG cable of size 240-630 sqmm x 1 core

Supply installation & commissioning of 24V/40A Float Cum Boost SCR controlled Battery Charger unit including SMF VRLA battery bank 24 volt comprising ,12 Nos of 2 Volts-100 AH 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 supperssion . 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 , DC digital ammeter , DC digital voltmeter, 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:-

(a) Input working voltage-180 -270 Volts (b) Nominal Input Voltage - 230 V,+/-10% , 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) Over load - 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 will give the visual indication for either float or boost based on charging mode. (l) Reverse polarity -No damage will caused . A visual indication for reverse polarity will appear with an audio alarm. (m) Short circuit-MCB protecton provided. Make of battery charger. Statcon/Sinetrac/Amar Raja Make of batteries. Exide/Amaron/Okaya

Material ( cables,acessories, changeover switches etc ) and Labour for complete making of standby / provising arrangements for restoration of the power supply at the end distrubution pocket wise during working for replacement/installation of the above mentioned equiments /acessories for the entire period of the projects complete all as specified and directed during the following occations/ events.

(a) Shifting old VCBS and Provising of new VCB

(b) Removal of under capcity transformers and installation of 1250 KVA transformers one after other.

(c ) Shifting and installation of main LT panel of the Substation

(d) Shifting and installtion of distrubution LT panels/ AMF panels

(e ) During Civil works ( such as cable ducts, transformer foundation , LT panel foundaton etc)

Cutting bituminous road at a width not more than 45 cm and a depth not exceeding 60cm for laying of pipes on road crossing for cable protection and making good with a existing surface complete all as specified and directed.

M & L for high density polyethylene pipes of size 250 mm dia (HDPE) of pressure rating 10 kg/cm2 laid in trenches/ducts/ bore holes of road crossing/hard standing etc for laying LT cable complete all as specified and directed..

Bidder Name

Vijay Electricals

mayur enterprises

GEPS PROJECTS

Water Power Engg. Enterprises

N K BUILDERS