Electrical Works

Amount

Supply, erection, testing, commissioning and of 11KV 25KA HT single panel Vacuum Circuit Breaker Switch, Indoor type for installation, board comprising one Incomer VCB .1.Draw out type 11KV 500MVA 630A Horizontal Draw out/ Horizontal Isolation VCB operated with spring charged mechanism.Anti Pumping device ,110V DC Shunt Trip and closing Coils (DC source of supply to be derived from a Power pack suitable for 3 Tripping and Two closing operation counter, 4NO + 4NC spare Aux. Contact for customer use, Automatic safety D109shutter, Mechanical Close/ Trip knob, Mechanical ON/OFF indication, Operating Handle, 110V AC-D109110V DC Power Pack etc. (Incom-1 & Outgoing-2Nos) Core(Core 1-15VA class 1 for metering and core 2-15VA 5P 10 for Protection) Incoming 1 No, Current Transformers of 30/5-5 Amps Dual Core (Core 1-15VA Class 1 for Metering and Core 2-15VA 5P 10 for Protection) (Outgoing-1) 4.Meters: 2. 11KV/Root 3/ 110V/ Root3 - Three Phase, 3 Limb 200VA Class 1 Resin Cast Draw out type Potential transformers complete with HT and LT HRC fuses. (Incoming-1 No)

Design, supply erection testing commissioning and handing over 150KVAR capacity automatic power factor control panel with 150KVAR capacitors with the following specifications L&T etasys-MU contactor switched standard AFC panel/Equivalent capacitors –LTXI ultra heavy duty capacitors. In comer-400A MCCB switching –Auto+ manual 1)Automatic Power factor controller Power factor controller for 150KVAR capacitor bank indigenously designed micro controller based programmable controller works three phase and switching on the suitable capacitor banks and maintaining the PF to the Optimum. The controller is to have a scrolling LCD display which shows instantaneous voltage and current of all the three phases KW, KVA, KVAR and PF indication for the number of banks ON/OFF load in balance and protection for low/High voltage single phasing and phase sequence. 2) Supply and fixing of suitable power supply unit for the power factor controller 3)Supply and fixing of current voltage Transducers of ratio 400:1 to measure current and voltage in all the three phases 4) Supply and fixing of suitable current limiters to cater the inrush current. 5)Supply and fixing of 400A MCCB as incoming to the panel 6)Supply and fixing of suitable MCCB’s for switching ON and OFF of 1 to VIII stage wise capacitors of the capacitor.

7)Supply and fixing of contactors of suitable rating for switching ON & OFF of the capacitors in various stage of L&T make/Equivalent8)Supply and fixing of 150 KVAR capacitor 440V, 50HZ Dleta connected L&T LT/L Ultra heavy duty capacitors Make/ equivalent in 6 Stages in steps. Stage wise details 1)Stage : 12.5KVAR 2)Stage: 12.5KVAR 3)Stage: 25.0 KVAR 4)Stage: 25.0KVAR 5)Stage: 25.0KVAR 6)Stage : 50.0KVAR (SR)

Supply, Erection, Testing, Commissioning and Handing over of 1 No 250 KVA Diesel Generator set (Make: Kirloskar/ Ashok Leyland/ Equivalent) of 0.8P.f. Three Phase, 415/420Volts, 50c/s, 1500 RPM as detailed below 1.ENGINE:Water cooled Diesel engine suitable for generator application with a shaft Output of 310 BHP at 1500 RPM under NTP Condition as per BSS 5514/IS 10000. The engine shall comprise the following standard scope of supply: 1. Dry type Air cleaner2. Expansion bellow 3. Radiator, Radiator fan and mounting 4. Air to air charge cooler 5. Exhaust Gas turbo charger 6. Lube oil cooler and Lube oil filter 7. Fuel filter (pre and micro) 8. In-line Mono-block fuel injection pump with governor and fuel feed pump9. Electronic governor 10. 24V Battery charging alternator 11. 24V Volt electric starter motor 12. Engine test Certificate 13. Residential Mufler14. Fly Wheel with starter ring, dynamo, standard batteries with cable, flexible exhaust piping.

ENGINE INSTRUMENT PANEL MOUNTED. Engine control panel consisting of ON/OFF/START Key Lube oil pressure gauge, oil temperature gauge, high water temperature gauge and electronic hour meter and RPM indicator SAFETY SYSTEM OF ENGINE The Engine shall trip for the following conditions with visual alarm device. 1. Low lubricating oil pressure 2. High Water temperature 3. Vee-belt failure and over speed 4. Low battery indication The engine should be capable of providing 10% over load for one hour for every 11 hours continuous running at full load.2. ALTERNATOR: Alternator capacity of 250 KVA/200 KW, AC 3 phase, 50 HZ, 415/420V, 0.8 P.F. 4 Wire self excited, self regulated designed to run at 1500 RPM under NTP conditions confirming to BS 5000/IS 13364 (part-II) 1992 to be coupled directly to the Diesel engine and test certificate 3. AMF:

4. ACOUSTIC ENCLOSURE: Acoustic enclosure shall be powder coated and fabricated of 16 SWG CRCA MS sheet. The silent canopy shall be of nut bolt type construction. Critical processes of punching are done on CNC Machine to maintain dimensional accuracy of hole within 0.1 mm Powder coating done after seven-tank surface preparation process of sheet metal. Canopy panel and doors shall have inside lining of FIRE RETARDANT 64 Kg/m density mineral wool of 100mm thickness as Acoustic material. Four hinged doors shall be provided to canopy. The average sound level at 1 Mt. distance shall be less than 75 DBA average or as per CPCB norms. Surface treatment-Painting: The enclosure surface shall be suitably treated for degreasing de-rusting and posphating. The canopies are passed through seven-tank treatment thoroughly. Additional features of canopies:Canopy fabricated on CNC machines with dimensional accuracy of 0.1 mm so as to increase its durability. Special designed supporting rips/Structures are used in canopies so as to give sturdiness and to reduce the vibration of the DG sets if any.

World class Cooling package:Canopies shall have cooling package for which it can also perform at 45 degree C/ambient temperature. No grouting required on the ground, only a level surface capable of withstanding the DG weight. Lifting hooks shall be provided for the acoustic enclosure, which should be unloaded independently of the DG set.The Gen set frame shall also be provided with hooks for unloading.Temperature rise inside the canopy:Canopies shall be designed so as to maintain the emperature difference between ambient and air inlet at cleaner within the enclosure well within 57 deg centigrade. 5. FUEL TANK:500 liters Removable fuel tank shall be fabricated out of 14 SWG CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connection and mechanical fuel gauge. Fuel tank can be easily removed for clearing or any maintenance.6. BASE FRAME: The base should be fabricated in sheet metal. The base frame is rugged in construction and designed for mounting engine and brush less alternator closely coupled, with cross members mounted on AVM. The base frame shall be provision for the mounting of acoustic enclosure on it. The supply of generator set includes loading. Unloading and transportation charges.7. Battery:2 Nos 12V 180 AHR Battery

ERECTION AND TESTING AND COMMISSIONING Erection of 250 KVA Generator set with suitable foundation Pedestal height 7 ft with proper alignment of Genset including crane charges

Supply and installation of exhaust piping of sufficient length with suitable MS pipes so as to extend outside the generator room with necessary thermal insulations

Supply and fixing of 400 A Three phase 500V 4 Pole Change over Switch on suitable angle iron frame work with MS cable entry boxes with earth connection only.

supply and fixing of 6 core 2.5 Sqmm copper cable on wall with MS clamps

Supply, erection, testing and commissioning of 400A Copper Raising main made up of 16 SWG sheet steel minimum thickness of 1.8 mm bolted on to an angle iron / structural steel frame work. covers the requirements of 3 phase 415 V, 50 Hz, 400A continuous rated, copper TPN bus duct shall be designed for indoor type. The Bus – duct shall be designed for the above current ratings. The Bus – bars shall be 50mm x 6mm copper Bus- bars shall be of uniform cross section along its entire length. No tapering of the bus bars’ cross-section is allowed. The bus duct shall be painted after suitable pretreatment of all structural steel and latest with anti-corrosive epoxy base primer paint & two coats of pebble / flint gray shade and dried in a oven. The enclosure shall conform to IP: 54 for indoor, as per Indian Standards.The inner surface of the Bus – duct shall be coated in the powder coating The bare bus –bars shall be provided with a coat of Matt finish. The joints in the Bus –bars shall be of the bolted type and it shall be ensured that the following precautions are observed. 1) The contact pressure must be ample and this shall be maintained during the time the panel is in service. 2) The surfaces of the conductors must be clean With flat conductors. 3) The overlap should be equal to or greater than the width of the bars. 4)The joints shall be treated duly for joint compound to render the joint moisture-proof. 5) For the joints use of bolts of cadmium plated high-tension MS bolts having expansion characteristics due to temperature change with steel nuts.

6) Smearing the surfaces with oxide inhibiting grease just prior to making the joint in order to preserve the efficiency of the joints.Minimum phase and earth clearance required shall be maintained at joints. The joints shall be thoroughly shrouded.The Bus bar arrangement shall generally conform to IS: 5578 and IS:11353. The Bus bar arrangement shall be generally confirm to IS:5578 and IS:11353.The 2Runs of Bus-bars to be stacked together or the spacing between them shall be maximum of the thickness of one conductor. The busbars shall be phase identified by colour, at intervals. Colour code shall be RED, YELLOW and BLUE for phase and BLACK for the neutral Bus- bar. The Bus-bars shall be supported on tough, non-hygroscopic, resin Bonded self-extinguishing fire retarded insulators preferably of SMC / DMC with ribbed construction to prevent tracking due to dust paths. The Bus-bars and supports shall withstand the maximum stress that are induced in the event of short-circuit current . The bus-bar support shall be a minimum interval of 500mm. 5C above the ambient temperature The clearance between the individual bare phase power bus bars and between the phase and earth Bus-bars in air shall be not less than 25 mm respectively.

Supply, erection, testing and commissioning of 250A Copper Raising main made up of 16 SWG sheet steel minimum thickness of 1.8 mm bolted on to an angle iron / structural steel framework.covers the requirements of 3 phase 415 V, 50 Hz, 400A continuous rated, copper TPN bus duct shall be designed for indoor type. The Bus – duct shall be designed for the above current ratings. The Bus – bars shall be 50mm x 6mm copper Bus- bars shall be of uniform cross section along its entire length. No tapering of the bus bars’ cross-section is allowed. The bus duct shall be painted after suitable pretreatment of all structural steel and latest with anti-corrosive epoxy base primer paint & two coats of pebble / flint gray shade and dried in a oven. The enclosure shall conform to IP: 54 for indoor, as per Indian Standards.The inner surface of the Bus – duct shall be coated in the powder coating The bare bus –bars shall be provided with a coat of Matt finish. The joints in the Bus –bars shall be of the bolted type and it shall be ensured that the following precautions are observed. 1) The contact pressure must be ample and this shall be maintained during the time the panel is in service. 2) The surfaces of the conductors must be clean With flat conductors. 3) The overlap should be equal to or greater than the width of the bars.

4)The joints shall be treated duly for joint compound to render the joint moisture-proof 5) For the joints use of bolts of cadmium plated high-tension MS bolts having expansion characteristics due to temperature change with steel nuts. 6) Smearing the surfaces with oxide inhibiting grease just prior to making the joint in order to preserve the efficiency of the joints.Minimum phase and earth clearance required shall be maintained at joints. The joints shall be thoroughly shrouded.The Bus bar arrangement shall generally conform to IS: 5578 and IS:11353. The Bus bar arrangement shall be generally confirm to IS:5578 and IS:11353.The 2Runs of Bus-bars to be stacked together or the spacing between them shall be maximum of the thickness of one conductor. The busbars shall be phase identified by colour, at intervals. Colour code shall be RED, YELLOW and BLUE for phase and BLACK for the neutral Bus- bar. The Bus-bars shall be supported on tough, non-hygroscopic, resin Bonded self-extinguishing fire retarded insulators preferably of SMC / DMC with ribbed construction to prevent tracking due to dust paths. The Bus-bars and supports shall withstand the maximum stress that are induced in the event of short-circuit current . The bus-bar support shall be a minimum interval of 500mm. 5C above the ambient temperature The clearance between the individual bare phase power bus bars and between the phase and earth Bus-bars in air shall be not less than 25 mm respectively.

Supply and fixing of 400A 4Pole MCCB with enclosure with one set of spreader terminals and Operating handle with necessary cable top up box,including 50mm x6mm copper flat interconnection between the Raising main bus-bar to 400A 4P MCCB terminal complete earth connection etc. (Make. L&T/ Siemens or Equiv)

Supply and fixing of 250A 4Pole MCCB with enclosure with one set of spreader terminals and Operating handle with necessary cable top up box,including 25mm x6mm copper flat interconnection between the Raising main bus-bar to 250A 4P MCCB terminal complete earth connection etc (Make. L&T/ Siemens or Equiv)

Supply and fixing of 125A 4Pole MCCB with enclosure with one set of spreader terminals and Operating handle with necessary cable top up box,including 25mm x6mm copper flat interconnection between the Raising main bus-bar to 125A 4P MCCB terminal complete earth connection etc (Make. L&T/ Siemens or Equiv)

Supply and fixing of 6 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB switch as incoming and 18 nos. 6A to 32A SP MCB as outgoing on wall with earth connection only. Higher End.

Supply and laying of 2 of 3-1/2 x 185 sq.mm. PVC armoured LTUG cable in a trench to be excavated at a depth of 0.75 metre putting 0.15 metre layer of sand and covering the cable completely with bricks and sand and refilling the earth to make good

Supply and clarnping of 2 of 3-1/2 x 185 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps

Supply and fixing of brass cable gland for 3-1/2 x 185 sq.mm. PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3-1/2 x 185 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Supply and Run of 4 of 10 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 10 sq.mm copper wire and making good of the concealed position.

Supplying and fixing of end cover for the Raising main(Quotation Enclouser)

Supplying and fixing of Spring Support Brackets(Quotation Enclouser)

Supplying and fixing of Rigid Support Brackets(Quotation Enclouser)

Supplying and fixing of Wall Support Brackets for vertical alignment of rasing Mains.(Quotation Enclouser)

Supply and fixing of 1no.6A two module socket , 1 no. 6/16A two module socket, 1 no. 6A one module switch, 1 no.16A one module switch with module cover plate (plastic) on suitable module concealed Box (GI ) in flush with wall with connections. Higher End

Supply and run of 2 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection of 4 sq.mm copper wire and making good of the concealed portion with suitable colour

Supply and run of 2 of 6 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with contiinuous earth wire connection of 6 sq.mm copper wire and making good of the concealed portion with suitable colour

supply and fixing of 65 mm dia. (2 -1/2") KL 2075/KP 7045 Customized conical pole with Sword Single arm bracket suitable for mounting 80W havells Avenue Street light fitting over all height of the pole 6000mm Product finish classy Antique Copper Foundation Bolt 4 Nos Spring Washer and plane Washer with bolt nut concreting with construction of masonary pedestal with door arrangement to house 6A SP MCB switch, 2/4 way connector on suitable hylem sheet and supply and fixing of 80W LED street light fitting (Make :Klite)

Supply and laying of 4 x 16 sq.mm PVC armoured LTUG cable in a trench to be excavated at a depth of 0.75 metre putting 0.15 metre layer of sand and covering the cable completely with bricks and sand and refilling the earth to make good

Supply and clarnping of 4 x 16 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps

Supply and fixing of brass cable gland for 4 x 16 sq.mm. LTUG armoured cable with earth connection

Supply and providing cable end termination of 3-1/2 x 25 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Provision For Charges Payable to CEIG for approval & Obtaining Electrical Safety Certificate.

Supply of fuel for 250 KVA Genset

Aruna Electricals (BID ID -1410592)