Supply and Installation of High tension power source 11KV RMG, HT VCB and Concerned Electrical Accessories to New Corporation Office Building in Tambaram City Municipal Corporation

11KV RMG (2 nos - VCB + 1 nos - VCB) 11 kV RMG (OUTDOOR TYPE) Supply, Testing, Commissioning of 11kv RMG Panel having ( 2 nos - VCB + 1 nos - VCB) as per KK Nagar MRT Specifications with following parameters 11kV 630A 25kA Horizontal Drawout type: Vaccum Circuit Breaker Comprising of :- 2 nos - Incoming Feeder i. Motor/Manual spring charging mechanism - 230V AC ii. Closing & Tripping Coil suitable for 110V DC iii. 8 NO + 8 NC Auxiliary Switch 11kV 630A 25kA Horizontal Drawout type: Vaccum Circuit Breaker Comprising of : - 1 nos - Outgoing Feeder i. Motor/Manual spring charging mechanism - 230V AC ii. Closing & Tripping Coil suitable for 110V DC iii. 8 NO + 8 NC Auxiliary Switch iv. Mechanical ON/OFF Indication v. Mechanical Spring charge/Discharge Indication vi. Breaker Position Indicator vii. Mechancial Operating Counter viii. Automatic Safety Shutters ix. Secondary self-aligned plug in contacts x. Anti-Pumping feature xi. Vacuum Interrupter-3 Nos. Indicating Lamps/Push Buttons : R,Y,B Phase Indication Lamps - 1 Set in Incomer LBS ON/OFF Indicating Lamps - 1 Set in Outgoing Breaker ON/OFF Indicating Lamps - 1 Set in Incomer Spring charging Indication Lamp - 1 no in Incomer Trip Circuit Healthy Indication Lamp & push button - 1 no in Incomer Trip Indication Lamp - 1 no in Incomer Busbar Rating: 630A - TP - COPPER Main Busbar : 50mm x 10mm x 1 Run per phase - 1 set in Incomer/Outgoing Earth Busbar : 40mm x 06mm - 1 set in Incomer/Outgoing Miscellaneous Items: Power pack (IP: 230V AC/ OP: 110V DC) - 1 no in Incomer Surge Arrester (10KV,10KA) - 1 set in Incomer Test Terminal Block - 1 no in Incomer Trip/Neutral/Close Switch - 1 no in Incomer Mechancial Interlock (Shall be provided, if necessary) - 1 no in Incomer PTC Heater with Hygrostat - 1 no in Incomer/Outgoing Control Fuses, Ferrules & Wiring etc., - 1 no in Incomer/Outgoing Power Terminals suitable to receive XLPE without termination kit - 1 set PWD SOR 2025-26 M-1958

11KV SINGLE PANEL HT VCB - OUTDOOR TYPE Supply, Testing, Commissioning of 11kv HT VCB Outdoor Type having the following specifications 11KV,630A,26.3kA/3Sec Horizontal Drawout type - 1 nos Vaccum Circuit Breaker Comprising of :- i. Motor/Manual spring charging mechanism - 230V AC - 1 nos ii. 3Nos. Vacuum Interupters - 1 nos iii. Closing & Tripping Coil suitable for 110V DC - 1 nos iv. 8 NO + 8 NC Auxiliary Switch - 1 nos v. Mechanical ON/OFF Indication - 1 nos vi. Mechanical Spring charge/Discharge Indication - 1 nos vii. Breaker Position Indicator - 1 nos viii. Mechancial Operating Counter - 1 nos xi. Automatic Safety Shutters - 1 nos x. Secondary self-aligned plug in contacts - 1 nos xi. Anti-Pumping feature - 1 nos 11kV Epoxy Resin Cast Dual Core Current Transformer - 3 nos Ratio: As per site requirement. Core I: Cl:0.5, 15VA for Metering Core II: Cl: 5P10 , 15VA for Protection 11kV Epoxy Resin Cast Three Phase Potential Transformer -1 nos Ratio : 11kV/v3,110V/v3 (Fixed type) Core I: Cl: 0.5, 100VA for Metering PWD SOR 2025-26 M-1953 Meters: Digital Ammeter - 1 nos Digital Voltmeter - 1 nos Digital Multifunction Meter - 1 nos Relays: Numerical O/C+E/F protection relay - 1 nos High speed Tripping relay - 1 nos Transformer Auxilary Relay - 2 nos Indicating Lamps/Push Buttons : R,Y,B Phase Indication Lamps -1 set Breaker ON/OFF Indicating Lamps - 1 nos Spring charging Indication Lamp - 1 nos Trip Circuit Healthy Indication Lamp & Push Button - 1 nos Trip Indication Lamp - 1 nos Busbar Rating : 630A TP Aluminium - 1 set Main Busbar : 50mm x 08mm x 2 Run per phase Earth Busbar: 50mm x 06mm Miscellaneous Items 8 Window Annunciator with Hooter - 1 nos Surge Arrester (10KV 10KA) - 1 nos Power Pack (IP: 230V AC/OP: 110V DC) - 1 nos TNC & L/R Switch - 1 nos PTC Heater with Hygrostat - 1 nos TBs, Control Fusess, Ferrules & Wiring etc. - 1 set Power Terminals suitable to receive XLPE cable without termination kit - 1 set

Earthing arrangements with GI Earth Plate including charcoal and salt with necessary excavation in all soils and to full depth as may be required and masonry work, re-filling the sides of foundation with excavated earth as per the standard specification and as directed by the Departmental Officers. Asper PWD SOR 2025-26 M-0827

Supply & Erection of 25 X 3mm Copper Flat for Earthing PWD SOR 2025-26 M-1611

11KV/433V, 1000 KVA OUTDOOR TRANSFORMER Supply & installation, testing and commissioning of 11kv 1000 KVA outdoor type oil cooled with ONAN, OLTC/RTTC having HV side cable box and LV side busduct flange box with necessary wheeling arrangement with level -1 losses as per IS : 1180 - 1 Nos PWD SOR2025-26 M-1940

Earthing arrangements with GI Earth Plate including charcoal and salt with necessary excavation in all soils and to full depth as may be required and masonry work, re-filling the sides of foundation with excavated earth as per the standard specification and as directed by the Departmental Officers. Asper PWD SOR 2025-26 M-0827

Supply & Erection of 40mm dia 8 feet (2.75mtr) long GI 'B' Class Earth pipe with clamping and funnelling arrangement burried in the underground with 600x600x2mm copper plate, mixed with charcoal and salt along with construction 450 X 450 RCC earth manual with cover as per IS 3043 PWD SOR 2025-26 M-1616

Supply and Erection of 50x6mm Cu. Flat for body Earth PWD SOR 2025-26 M-1614

Supply and Erection of 70x10mm Cu. Flat for Neutral Earth PWD SOR 2025-26 M-1614

Supply & Laying of 11KV, 3C X 185sqmm,(Earthed) AL.AR.XLPE HT cable AS per PWD SOR 2025-26 M-1959

Supply & Erection of Indoor type HT Termination kit for 11KV, 3C X 185sqmm Al.Ar.XLPE HT cable PWD SOR 2025-26 M-1965

Supply & Erection of Outdoor type HT Termination kit for 11KV, 3C X 185sqmm Al.Ar.XLPE HT cable PWD SOR 2025-26 M-1967

Charges for earth Work Excavation for burring the 11kv HT Cable at a depth of 1.5 mtr and laying of RCC 'V' trough over the cable and back filling with existing soil and sand cushioning

Supply and Erection of 11KV HT Route Marker PWD SOR M1731

Supply & Laying of 4C X 2.5sqmm cu.ar.cable PWD SOR M-3075

Supply & Laying of 19C X 2.5sqmm cu.ar.cable PWD SOR 2025-26 M-3071

Supply & Laying of 3C X 2.5sqmm cu.ar.cable PWD SOR 2025-26 M-3075

Supply & Erection of 3C X 2.5sqmm cu.ar. DC gland end termination

Supply & Erection of 4C X 2.5sqmm cu.ar. DC gland end termination

Supply & Erection of 19C X 2.5sqmm cu.ar. DC gland end termination

Supply & erection of M.S. gate of size 1200mm wide & 2000mm height with all accessories,earthing of gates with braided copper including necessary civil works.Gate shall be painted with 2 coats of anticorrosive primer & 2 coats of Aluminium enamel paint.

Supply & erection of 3mtr long (65X65X6mm ISA angle with aluminium paint) for fencing with necessary concreting & all accessories as required.

Supply & fixing of chain link fencing of height 1.8mtr. From the parapet wall With necessary clamps,fasteners including all accessories as required with aluminium paint).

Supply & spreading of 40mm blue metal jelly filling upto 150mm depth over a M-sand layer Rate shall include cleaning & levelling of the yard as required at site. (from existing ground level of 150mm height) - (FOR 11kv RMG YARD + HT VCB + TRF )

Supply & Fixing of 8SWG Copper wire for Fencing Earthing SD 372

Supply, Testing, Commissioning of 14/16 SWG CRCA Sheet Siemens Grey Powder Coated Coventional Type Aluminium Bus-duct both Outdoor / Indoor having 1600A rating fed from Transformer Secondary side to Main MV Panel EB incomer Outdoor Type 1600A, TPN, Aluminium Bus-duct Outdoor type with IP-65 weather proof protection with hooding arrangement with bus-bar rating Phase : 2R X 100 X 10 mm Al.bar , Neutral : 1R X 100X 10 mm Al.bar, Earth : 2R X 50 X 6mm AL.bar the bus - bar shall have 0.8A per sq.mm and continous run of aluminium earth flat shall be provided both side of bus-ducts

Indoor Type '1600A, TPN, Aluminium Bus-duct Indoor type with with bus-bar ratingPhase : 2R X 100 X 10 mm Al.bar , Neutral : 1R X 100X 10 mm Al.bar, Earth :2R X 50 X 6mm AL.bar the bus - bar shall have 0.8A per sq.mm and continous run of aluminium earth flat shall be provided both side of bus-ducts

1600A Flexible Aluminium joints

90 degree bend

Adaptor box

LT PANEL BOARDS: 'Main Panel Design, Supply, erection, testing and commissioning of FLOOR MOUNTED CUBICLE TYPE MAIN MV PANEL with Powder Coated Painting and necessary foundation channels etc., The Board shall be incorporated with the following:- EB Incomer Instruments: Digital Multifunction meter, Maximum demand controller,Instantaneous over current, earth fault relay (2 O/C + 1 E/F) and Under voltage relay, Over voltage relay, CTs, PTs, control MCB RYB Indication lamps and "ON/OFF/Trip" indicating lamp with emergency lockable push buttons 'DG Incomer Instruments: Digital multi function meter, Instantaneous over current, Under voltage relay, Over voltage relay, CTs, PTs, control MCB RYB Indication lamps and "ON/OFF/Trip" indicating lamp with emergency lockable push buttons EB Incomer - 1600A 4P, 65 KA EDO ACB with Microprocessor based releases - 1No PWD SOR 2025-26 M-1881

DG Incomer 1- 1000A 4P, 65 KA EDO ACB with Microprocessor based releases - 1No PWD SOR 2025-26 M-1879

DG Incomer 2- 630 A 4P, 50 KA MCCB with Microprocessor based releases - 1No PWD SOR 2025-26 M-1861

Bus coupler - 1600 A 4P, 65 KA EDO ACB with Microprocessor based releases - 1No

INTERLOCKING ARRANGEMENT : 'Electrical Interlocking arrangement shall be provided between the EB incomer and DG Incomer 1 & 2 and Bus Coupler 'Outgoing Feeders: 1000A TP, 65 KA MDO ACB with Microprocessor based releases - 1No (APFCR) PWD SOR 2025-26 M-1879

800A TP, 65 KA MDO ACB with Microprocessor based releases - 3No ( RS1 & 2) & ( HVAC ) PWD SOR 2025-26 M-1878

Incomer-400A FP, 36KA MCCB PWD SOR 2025-26 M-1875,

Spreader Link PWD SOR 2025-26 M-1871,

Rotatery Handle PWD SOR 2025-26 M-1876,

Incomer-630A TP, 36KA MCCB PWD SOR 2025-26 M-1861,

Spreader Link PWD SOR 2025-26 M-1862,

Rotatery Handle PWD SOR 2025-26 M-1863,

2 No. of 250 AMPS MCCB PWD SOR 2025-26 M-1873

Spreader Link PWD SOR 2025-26 M-1874,

Rotatery Handle PWD SOR 2025-26 M-1871,

DUMMY Shell -1 Nos

All MCCBs shall be of Thermal magnetic Type with adjustable overloads and Adjustable short circuits All Out Going RS 485 Meter With Suitable CTs 'BUSBARS: ALUMINUM bus bar of All Switch Incoming and outgoing Bus bar including RATING: 1600 AMPS

There shall be One Set of Metering Compartment for EB Incomer incorporated with the following. Tape wound CTs of ratio 1600/5 Amps of Class 1.0 for measurement, class 5P10 for Protection and CT burden shall be 15VA 1No Tape wound CTs of ratio 1600/5 Amps of Class 1.0 to be mounted one of the phase busbars for APFCR Panel and CT burden shall be 15VA 1 No-Load Manager with RS 485 Interface with Maximum Demand Controller. RYB Indicating Lamps of LED Clustered type and Control MCBs shall be provided. Single phase preventor shall also be provided. There shall be One Set of Metering Compartment for DG Incomer incorporated with the following. 3Nos - Tape wound CTs of ratio 1600/5 Amps of Class 1.0 for measurement, class 5P10 for Protection and CT burden shall be 15VA 1 No Multi-function meter with RS-485 Interface. RYB Indicating Lamps of LED Clustered type and Control MCBs shall be provided. Single phase preventor shall also be provided.

Frabrication of MS PowderCoated Panel & Internial Wiring