HT LINE, RMG PANEL GH ANAICUT

Amount

6. TP ND IDMT 2OC + 1 EF Relay similar like Megawin type MCDG 31 Master trip Relay Megawin MVAJH 13 (Incom-1No & Out-1 No) 7. Breaker ON/OFF/Auto Trip/Healthy/Spring Charged Indication Lamp LED Type, 8. Phase Indication Lamps R,Y,B(Incomings 3Nos), 9. Control Wiring, 10. 630Amps Copper Bus bar PVC Sleeved and required panel copper earthing, 11. Control switch TNC, 12.Trip Circuit healthy Push Button(Incoming-1 No, Outgoing -1No), 13. Common for Switch gear, MCB's for AC DC Control, Heater ON/OFF Switch with space Heater and thermostat Single phase switch socket, cubicle illumination lamp, Disconnecting type terminal Block.etc., 14. MS Sheet enclosure for Indoor Installations Powder.

Type OLTC Transformer: Supply, erection, testing and Commissioning of 630 KVA 22KV/ 433V,copper wound ON (OLTC) load tap changing copper wound Indoor type distribution transformer OLTC type of cooling conforming to relevant IS 1180- Level 2 and fitted with the following and standard accessories. (A) HV cable end box suitable for connecting 3 core 300 sq.mm11KVXLPE HT cable., (B) LT Cable end box suitable for connection 4 runs of 3 ½ x 300 sq.mm LTUG cables., (C) Tapping on primary winding for voltage variation +5%to -5% steps 2.5%., (D)Neutral on L.V. side, (E) The transformer should be supplied with first filling of oil All removable covers shall be provided with weather proof, hot oil resistant, resistance gasket to prevent leakage of water into core and oil from the tank (Make: Voltech/ CREL or equivalent).

Design, Supply, erection, testing and commissioning of 1250A MV panel board suitable for operation on 415 V 3 phase, 50 Hz A.C supply, dust and vermin proof and accommodating the following ACB as Incomer unit with the following items of work complete to satisfy the latest IE rules and CEIG guidelines with Bus bar chambers, Main switches chambers and cable entry chambers. Bus bar chamber: Supply and fixing of suitable bus bar chamber made up of 16SWG MS sheet steel(1.8mm) with 3” X 1/2” tinned copper bus bar for 3 phases and neutral (75mm x 12mm) and 2 Nos. of earth bus of size 1” X 1/4 tinned copper bus(25mm x 6mm) on suitable bus bar insulator(Epoxy insulator) with maximum creepage distance and supported on MS Base channel frame work of size 18*3*2–1Set Main Switches Chamber: Incoming (1)Supply and fixing of 1 No. 1250A 4pole Draw out ACB of Microprocessor board EDO Type ( Cat. no:SL96074) basic rating 4 pole 433V LT ACB confirming to IS13947–2 IEC 60947–2 with suitable capacity and breaking capacity of drawout 65 KA breaking capacity with all accessories for standard horizontal manual draw out type ACB equipped with auxiliary contacts and all accessories for closing and opening operation with Microprocessor Based SR 18 G relay, over current trip device adjustable to LTD, STD and release for over current protection UV release with time delay, EF release short circuit protection, Mains CTs for 3 phases lockout, features, separate mold base for each pole for easy maintenance all relevant protection safety accessories as per CEIG, IE rules in force with inter connection and terminations as required in specification,

Outgoing : (1) Supply and fixing of 630A MCCB —2 Nos, (3) Supply and fixing of 400A TPN Double break switch with HRC Fuse—4 Nos, 4) Supply and fixing of 250A TPN Double break switch with HRC Fuse—4 Nos, Inter connecting the all LT ACB’s and Switches to bus bar with suitable insulated tinned copper flats and painting/PVC sleeve color coding of phases and neutral indication. Double Earth connection of the switches and ACB’s to earth bus using suitable tinned copper flats by 2 runs of 1” X 1/4”.Supply and fixing of RYB LED lamp arrangements with toggle switches to control each phases and with rigid connection in suitable separate compartments within the cubicle as per CEIG rules with 1set, supply and fixing Electronic Trivector meter EC,300N class 0.5 flush mounting L&T or equivalent make–ModelER300N. Supply and fixing of danger board with Siemens grey powder coating with super scribing the names of places to which supply is fed feeder sizes of cables direction of cables etc. Erection of panel board complete with suitable foundation bolts and nuts including suitable M.S Channel, concreting ,testing and commissioning (L&T,C&S,SIEMENS,ABB)

Design, Supply, erection, testing and commissioning of 630A 4 pole MCCB of Microprocessor board EDO Type panel board suitable for operation on 415 V 3 phase, 50 Hz A.C supply, dust and vermin proof and accommodating the following ACB as Incomer unit with the following items of work complete to satisfy the latest IE rules and CEIG guidelines with Bus bar chambers, Main switches chambers and cable entry chambers. Bus bar chamber: Supply and fixing of suitable bus bar chamber made up of 16SWG MS sheet steel(1.8mm) with 2” X 1/2” tinned copper bus bar for 3 phases and neutral (50mm x 12mm) and 2 Nos. of earth bus of size 1” X 1/4 tinned copper bus(25mm x 6mm) on suitable bus bar insulator(Epoxy insulator) with maximum creepage distance and supported on MS Base channel frame work of size 10*3*2–1Set. Main Switches Chamber: Incoming : (1)Supply and fixing of 1 No. 630A 4pole MCCB of Microprocessor board, basic rating 4 pole 433V LT MCCB confirming to IS13947–2 IEC 60947–2 with suitable capacity and breaking capacity of drawout 65 KA breaking capacity with all accessories for standard horizontal manual draw out type ACB equipped with auxiliary contacts and all accessories for closing and opening operation with Microprocessor Based SR 18 G relay, over current trip device adjustable to LTD, STD and release for over current protection UV release with time delay, EF release short circuit protection, Mains CTs for 3 phases lockout, features, separate mold base for each pole for easy maintenance all relevant protection safety accessories as per CEIG, IE rules in force with inter connection and terminations as required in specification

Outgoing (1) Supply and fixing of 400A TPN Double break switch with HRC Fuse- 3 Nos, (2) Supply and fixing of 250A TPN Double break switch with HRC Fuse—3 Nos, Inter connecting the all LT MCCB and Switches to bus bar with suitable insulated tinned copper flats and painting/PVC sleeve color coding of phases and neutral indication. Double Earth connection of the switches and ACB’s to earth bus using suitable tinned copper flats by 2 runs of 1” X 1/4”. Supply and fixing of RYB LED lamp arrangements with toggle switches to control each phases and with rigid connection in suitable separate compartments within the cubicle as per CEIG rules with 1set, supply and fixing Electronic Trivector meter EC,300N class 0.5 flush mounting L&T or equivalent make–ModelER300N. Supply and fixing of danger board with Siemens grey powder coating with super scribing the names of places to which supply is fed feeder sizes of cables direction of cables etc. Erection of panel board complete with suitable foundation bolts and nuts including suitable M.S Channel, concreting ,testing and commissioning (L&T,C&S,SIEMENS,ABB) ( Essential Panel )

Supply and Clamping of 3C x 240 Sq.mm. 11 KV HT XLPE cable in a suitable 6" duro pipe to be excavated at a depth of 0.75 metre and covering the cable completely and refiling the earth to make good.(Make Gloster/Havells/ Polycab). (From 2 Pole Str. to VCB Panel)

Supply and Laying of 3C x 240 Sq.mm. 11 KV HT XLPE PVC cable with aluminium conductors on wall with MS clamp with necessary supports or in a existing trench including removing and relaying the cement slab. (From VCB To Tr. 1) (Make Gloster/Havells/ Polycab)

Supply and Providing cable end termination for 11KV 3 core 240 Sqmm XLPE HTUG cable with necessary Indoor type heat shrinkable joint kit and accessories (Make: Raychem or Equivalent)

Supply and Providing cable end termination for 11KV 3 core 240 Sqmm XLPE HTUG cable with necessary Outdoor type heat shrinkable joint kit and accessories (Make: Raychem or Equivalent)

Supply and laying of 4 runs of 31/2 x 300 sqmm size of PVC armoured LTUG cable in a trench tobe excavated at a depth of 0.75 Mtr. And puttin 0.15 mtr. layer of sand and covering the cable completely with concrete trough and sand and refilling the earth to make good. (From transformer to MV panel)

Supply and clamping of 4 runs of 31/2 x 300 sqmm of PVC armoured LTUG cable on post on wall with MS clamp.

Supply and Fixing brass cable gland for 31/2 x 120 Sq.mm PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3 1/2 x 240 sqmm PVC LTUG Aluminum armoured cable with necessary aluminium cable sockets by crimping etc. with electrical connection

Supply and run of 1" x 1/8" (25mmx3mm) tinned copper flat with necessary clamps/supports on all / floor/ ground for earth connection.

Supply and run of 1" x 1/4" (25mmx6mm)copper flat for earth connection.

Supply and run of 1 of No. 8 SWG hard drawn copper conductor for earth connection.

Supply and insallation maintenance free GI Earthing System comprising of 50mm dia and 2 mtr. long earth electrode of low carbon steel rod with 100 micron bonding and 25 kgs. of carbon based environment friendly backfill compound and suitable clamp.

Supply and erection of 175 KVAR 415/440Volts 50Hz 3 Ph automatic power factor correction panel, 8 stage, (at 0.95 lag), made up of powder coated, 14/16 SWG CRCA sheet steel enclosure with 1 1/2" x 1 1 1/2" x 1/2" AI Frame work with RCC concreting foundation and bolted to masonry pedestal with 400A triple pole MCCB as incoming (L&T/Siemens/C&S) with Delta Connected capacitors (BCH/EPCOS) MOO Type operating in multiple stage with 3 current and Voltage Transducers (CVT) at the phases simultaneously to activate the desired power factor switching time between steps 120 seconds, switching off time in case of fault 3 seconds with a LCD display to show the following Parameters. (A)Vr – R phase Line Voltage, (B)Vy – Y phase Line Voltage, (C)Vb – B phase Line Voltage, (D)Ir – R phase Line current, (E)Iy – Y phase line current, (F)Ib – B phase Line Current, (G)KW – Present Kilo Watts, (H)RKVA – Present KVAR Demand, (I)KVA – Present KVA,. (j)PF – Present Power Factor, (K)Number of Capacitor bank ON/OFF, (L)Provision to indicate the imbalanced load, Provision to indicate the change in phase Sequence The APFC Panel Should also with built in protection For high Voltage/Low Voltage cut off, single phase Preventer in current line surge line surges, Current Limiters, Current Sensor, etc., with connection complete and as per the relevant IE Rules. Eight Stages of Automatic Power Factor control panel is necessary connection.

Provision towards preparation of site plan, physical layout, electrical line schematic diagram HT side ,5 sets getting drawing approval from C E I G authority (Measures safety to electricity) regulation, preparation of completion report ,Rectification report, preparation of one set approved drawing and copy of safety certificate in a neat frame work and payment of CEIG 's inspection fees including supporting staff for availing service connection.

R BALAMURUGAN (BID ID -1461052)

SURESHBABU (BID ID -1461168)