Electrical Works

Amount

Four panel HT VCB:- Design, manufacturing supply, erection, testing, commissioning and handling over of outdoor type 11KV 25 KA HT Four panel Vacuum Circuit Breaker Switch Board Comprising one number 800A 500MVA VCB as incoming and 3 Nos. 630A 500MVA VCB as outgoing panels for indoor installation each panelcomprising 1) Draw out type 11KV 500MVA 630A Horizontal Draw out/ Horizontal Isolation Vacuum Circuit Breaker operated with Spring charged mechanism. 2)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, 4 NO + 4NC spare Aux. contact for customer use, Automatic safety shutter, Mechanical Close / Trip knob, Mechanical ON/OFF indication, Operating Handle, 110V AC - 110V DC Power Pack etc. (Incoming 1 No. Outgoing 3Nos.)2) 11KV /Root 3/110V/Root 3 - Three Phase, 3 Limb 200V A Class 1 Resin Cast Draw Out type Potential transformers complete with HT and LT HRC fuses. (Incoming - 1 No.) 3) Current Transformers of 120 - 50/5-5 Amps. Dual Core (Core 1 - 15 VA class 1 for metering and core 2 - 15 VA 5P 10 for Protection)

12) Trip Circuit Healthy Push Button (Incoming 1 No. Outgoing 3 No.)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 Installation Powder Coated with paint shade siemens Grey, paint finish Provision through Bottom entry to receive Incoming and Out going cable excluding cable glands and cable termination kit. (Make : system control / Megawin / / ABB/ Siemens /or Equivalent

Supply and laying of 11KV 3 Core 240 Sqmm XLPE UG cable in a trench to be excavated at a depth of 1.0 mtr. Putting 0.15 mtr. Layers of sand covering the HTUG cable completely with cement concrete RCC cable turf and refilling the earth to make good (Existing HT VCB to New 4 Panel HT VCB ).

Supply and clamping at 11KV 3 core 240sq.mm XLPE UG cable on wall with M.S. special clamps.

Supply and providing cable end termination suitable for 11KV 3 core 240 sq.mm XLPE HTUG cable with necessary indoor type heat / cold shinkable joint kit and accessories. Make: RayChem / M.Seal.

Supply and laying of 11KV 3 Core 185 Sqmm XLPE UG cable in a trench to be excavated at a depth of 1.0 mtr. Putting 0.15 mtr. Layers of sand covering the HTUG cable completely with cement concrete RCC cable turf and refilling the earth to make good (From 4Panel HT VCB to 500 KVA Transformer 1 & 2)

Supply and clamping at 11KV HT 3 core 185 sq.mm XLPE UG cable on wall with M.S. special clamps )

Supply and providing cable end termination suitable for 11KV 3 core 185 sq.mm XLPE HTUG cable with necessary indoor type heat / cold shinkable joint kit and accessories (Make: RayChem / M.Seal

Supply and laying of 11KV 3 Core 120 Sqmm XLPE UG cable in a trench to be excavated at a depth of 1.0 mtr. Putting 0.15 mtr. Layers of sand covering the HTUG cable completely with cement concrete RCC cable turf and refilling the earth to make good (From 4Panel HT VCB to 250 KVA Transformer 1)

Supply and clamping at 11KV HT 3 core 120 sq.mm XLPE UG cable on wall with M.S. special clamps )

Supply and Laying of 3 run of 3 1/2 x 400 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good. (From 500 KVA Transformer 1 & 2 to MV Panel)

Supply and clarnping of 3 run 3 1/2 x 400 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps.(From 500 KVA Transformer 1 & 2 to MV Panel)

Supply and fixing of brass cable gland for 3-1/2 x 400 sq.mm. PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3 ½ x 400 sqmm PVC LTUG Aluminium armoured cable withnecessary aluminium cable sockets by crimping etc. with electrical connection complete.

MV PANEL BOARD:- Design, Supply, erection, testing and commissioning of 1600A floor mounted MV cubical panel board bus bar chamber dust and vermin proof and accommodating the following ACB's & MCCB's 2 Nos.800A ACB as Incomer units with the following items of work complete to satisfy the latest IS rules and CEIG guidelines. Supply and fixing of suitable size bus bar chamber made up of 16 SWG MS sheet steel with 4 Nos ie R,Y,B,N. 2 Runs 2” X 1/2”(2 x 100mm x 12mm) tinned copper bus bar for 3 phases and neutral and 2 Nos. of earthing bus of size 2”X ¼ (2 x 50mm x6mm) tinned copper bus on suitable bus bar insulator (Epoxy insulator)With maximum creepage distance and supported on MS Base channel frame work ofsize 4”X2”X¼-1Set (100mm x50mm x6mm) Incoming :1) Supply and fixing of 2 Nos. 800A basic rating 4 pole 433V LT ACB confirming to IS 13947 – 2 IEC 60947 – 2 for higher breaking capacities of 50KA at 690V AC with all accessories for standard horizontal manual draw out type ACB equipped with auxiliary contacts and all accessories for closing and opening operation with micro processor 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 mould base for each pole for easy maintenance all relevant BUS COUPLER:- Supply and fixing of 1 No 1600A basic rating 4 pole 433 V LT ACB incoming to IS-13947-21EC60947-690VAC(catno.ST35567 4Pole 75KA)with all accessories for standard horizontal type ACB equipped with micro processor based SR18G. Outgoing: 1) Supply and fixing of 400A 3 Pole MCCB with spreader link and Extended Rotary handle-10 Nos 4) Supply and fixing of 250A 3 Pole MCCB with spreader link and Extended Rotary handle- 2 Nos 5)Supply and fixing of 125A 3 Pole MCCB with extended Rotary handle and Spreader terminals -2Nos. protection safety accessories as per CEIG, IE rules inforce with interconnection and terminations as required in specification.Inter connecting the all LT ACB’s and MCCBs to two bus bar with suitable insulated tinned copper flats and painting of phases and neutral indication. Double Earth connection of the MCCBs and ACB’s to earth bus using suitable tinned copper flats by 2 runs of 1” X 1/4” Supply and fixing of LED lamp

arrangements with toggle switches to the control to each phases and with rigid connection in suitable separate compartments with in the cubicle by CEIG rules with , 2 sets, of supply and fixing Electronic Trivector EC, 300P class 0.5 Base mounting L&T or equivalent.(Make–Model. ER300P class 0.5) 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/Siemens/ABB)

Supply and erection of 150 KVAR 415/440Volts 50Hz 3 Ph automatic power factor correction panel, 18 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 TPN 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 Voltagec. Vb – B phase Line Voltaged. 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

m.Provision to indicate the change in phase Sequence n. The APFC Panel Should also have built in protection for current imbalance. For high Voltage/Low Voltage cut off, single phase Preventer, provision for inductor coil to cater the in-rush currents, 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 with necessary connection. Make. (Matrix /L&T /or equivalent

Earthing as per the ISI specification with an earth electrode of 2.10 metre Class 'B' GI pipe of dia not less than 40mmwith copper earth plate of size 125mm x 50mm x 6mm with necessary funneling arrangements with necessarymasonry work and with 38mm RCC cover slab for the brick masonry

Supply and providing of maintenance Copper Plate Earthing technology model maintenance free earth 502 consist of 2mtr long 47mm dia outer pipe with 3.2mm thick 25mm dia inner pipe 2.6mm thick terminal flat of 30x10/12 x 12mm, the entire construction processed with hot tip galvanizing, outer surface up to100 microns all inner annular space filled with highly conductive and non-corrosive nature crystalline material along with electrode moisture booster compound of 1x25 kg bags will be supplied to fill surround the pipe at the time of installation. (Moisure retention, conduction and non-corrosive nature (Galaxy /Ashlok or equivalent) for 500KVA Tr 1&2=4Nos.

Supply and run of 25mm x6mmas 2 run (2” X 1/ 4”) copper flat with porcelain insulator with screws on wall/floor for earth connection.

Supply and run of 25mm x6mm( 1” X 1/4”) copper flat with porcelain insulator with screws on wall/floor for earth connection.

Supply and run of 25mm x3mm( 1” X 1/ 8”) copper flat with porcelain insulator with screws on wall/floor for earth connection.

SUB-STATION EQUIPMENTS:- Supply and Erecting of safety accessories.SR.XIII PART “M” 8 Item (a) to (i) .

Supply, fixing, testing and commissioning of AC Chargeable emergency lamp 2 x 11W PL lamp with all connected accessories.

Supply and installation of 2.5mm thick Rubber Mat with ISI suitable for 1.1KV installation confirming to IS 15652 (5Nos=1set)

Supply and Providing approved make First aid box complete with all first aid medicines.

Supply and providing shock treatment chart fixed in glass frame (Tamil and English)

Supply and fixing of the 4nos fire buckets stand suitable for 4 nos fire buckets made out of 40 x 40 x6mm MS angle.

Supply of hand gloves 11 KV grade

Supply and installation of Danger Board as required by the electrical authorities.

Supply and erection of Fire extinguisher Co2, 4.5 Kg confirming to TAC norms.

Earth Discharge Rod.

Preparation of site plan physical layout electrical schematic diagram in 5 sets , getting drawing approval from CEIG preparation of completion report, rectification report and arranging CEIG inspection and obtaining CEIG safety certificate preparation of 2 sets of approved drawing and a copy of safety certificate in a neat frame work to be fixed in HT/Generator room and payment of CEIG inspection fees for HT and 250 KVA & 200 KVA Genset.(As Per Quotation)

Wiring with 2 x1.5 sq.mm. PVC insulated single core unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe Concealed in wall and ceiling with PVC accessories with Module GI switch box in flush with wall with 6A one way module switch with module front plate with continuous earth wire connection of 1.5 sq.mm copper wire and making good of the concealed portion with suitable colour for Concealed PVC Light point / fan point (for electronic regulator) (5 points / Coil) Higher End )

Supply and fixing of Twin Box type 4'20W LED fitting (Phillips/ Havells) complete with TW round blocks on wall or ceiling with 2 Nos 20W LED tube with PVC unsheathed Copper leads from terminals to the fitting. (Make: Havells make Regal Patten for LED tube REGAL BATTEN T8 UPTO 2 x 22W 4 Feet LED Fitting )

supply and fixing of 60W LED street light fitting with LED (Lower end) with 32mm dia. GI pipe (class B) with 1 no.32 mm GI bend complete on the existing post/ on wall with PVC unsheathed copper leads with MS clamps and with painting

supply and fixing of 1200mm (48") sweep AC ceiling fan complete ( Higher end) with 2 module 100W fan step regulator (Higher end) with 1 metre down rod with fan clamp with side plates and cross arm of size 450mm (18")

Supply and fixing of 375mm (15") sweep (light duty) AC exhaust fan complete with necessary wall opening and making of the wall.

Supply and fixing of louvers shutters arrangements for 375mm (15") sweep light duty AC Exhaust fan.

Supply and fixing of 2 no. 6A two module socket, 1no.6/16 A two module socket , 2 nos. 6A one module switch, 2 nos. 16A one module switch with module cover plate (plastic) on suitable module concealed Box (GI ) in flush with wall with connections. Higher End(9 Module)

Supply and fixing of 4 way Vertical Triple pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 63A 4P MCB as incoming and 12 nos. 6A to 32A SP MCB as outgoing on wall with earth connection only. Higher End

Supply and clarnping of 3-1/2 x 50 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps.(From Panel to vertical DB in HT Room)

Supply and fixing of brass cable gland for 3-1/2 x 50 sq.mm. PVC armoured LTUG cable with earth connection.

Supply and providing cable end termination of 3-1/2x50sq.mm.PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Supply of 5KVA (Single Phase In & Single Phase Out ) microprocessor controlled double conversion true online ups system with builtin isolation transformer, auto phase sequence correction, power factor correction, builtin manual bypass arrangement with exide sealed maintenance free batteries for 2 hours backup time with suitable interlink cables and ms powder coated rack for batteries CONFIGURATION: True On line double conversion ups system with pulse width modulation (PWM) Technology using IGBT inverter. RECTIFIER: Full wave (shall fully meet the specified input power requirements ) INPUT: 3 phase 320V – 460V OUT PUT:230V +1% on battery mode FREQUENCY: 47HZ-53HZ SYSTEM DC VOLTAGE: 360V INVERSION TECHNOLOGY: Micro processor controlled, pulse width modulation with Instantaneous sine Wave control using IGBT. INVERTER OUT PUT : ( Out put Galvanic Isolation through Double winding Isolation Transformer at Output of Inverter shall be part of UPS Design )LOAD POWER FACTOR: 0.8 to lag to unity REGULATION : for Balanced load + 1%For 100% unbalanced load + 2% FREQUENCY: 50Hz + 0.5%WAVE FORM : True sine wave TOTAL HARMONIC DISTORTION : Less than 5%

OVERLOAD CAPACITY: Inverse Time Characteristic 125% for 10 minutes 150% for 1 minutes EFFICIENCY : 1. Converter – 90%2.Inverter - 85% 3. Overall – 80 % ( full load) OPERATING TEMPERATURE : 0 to 45 Degrees centigrade on full load CREAST FACTOR: 3 : 1 RELATIVE Humidity : : 95% at 35 Degree Centigrade non- Condensing CHARGER: Built in solid state automatic float- cum boost charger with constant current, constant voltage mode of charging along with current limiting features. Ripple in DC shall not exceed 2% when battery is disconnected. PROTECTION( in built) i) output under Voltage ii) output over Voltage iii) ) output over load iv) output short circuit. v) HRC fuses /output/ battery vi) Battery low trip vii) battery charges current limit.

Charges for shifting of 11 KV HT Single Panel, Disconnecting the incoming and outgoing HT UG Cables using the crane for loading and unloading , installation of indoor type panel on the angle iron frame pedestal of suitable size including testing and commissioning complete etc.(Quotation)

Charges for shifting and replacement of 630A ACB type MV panel, (Incoming 630A FP ACB - 1 No, Outgoing 250A FSU switch- 2 nos, 200A FSU switch- 2 nos, 100A FSU Switch- 2 nos, 63A FSU Switch - 2 nos) Disconnecting the incoming and outgoing LT UG Cables using the crane for loading and unloading , installation of indoor type panel on the angle iron frame pedestal of suitable size including testing and commissioning complete etc.(Quotation)

Charges for shifting and replacement of 400A Cubical panel, (Incoming 400A FSU Switch - 1 No, Outgoing 250A FSU switch- 5 nos) Disconnecting the incoming and outgoing LT UG Cables using the crane for loading and unloading , installation of indoor type panel on the angle iron frame pedestal of suitable size including testing and commissioning complete etc. (Quotation)

Charges for shifting of 100KVAR APFC panel, Disconnecting the incoming and outgoing LT UG Cables using the crane for loading and unloading , installation of indoor type panel on the angle iron frame pedestal of suitable size including testing and commissioning complete etc. (Quotation)

Charges for shifting of 400A Change over switch, Disconnecting the incoming and outgoing LT UG Cables using the crane for loading and unloading , installation of indoor type panel on the angle iron frame pedestal of suitable size including testing and commissioning complete etc. (Quotation)

Supply and providing LTUG Cable straight through joint Tubular sleeve version (cat no.EPKJ 0144) of size 3 ½ X 185 - 300 sqmm PVC LTUG aluminium armoured cable with necessary aluminium cable socket by crimping etc. with electrical connection complete.

Supply and providing LTUG Cable straight through joint Tubular sleeve version (cat no.EPKT 0137) of size 3 ½ X 95 / 70 sqmm PVC LTUG aluminium armoured cable with necessary aluminium cable socket by crimping etc. with electrical connection complete.

Supply and providing LTUG Cable straight through joint Tubular sleeve version (cat no.EPKT 0130) of size 3 ½ X 50 sqmm PVC LTUG aluminium armoured cable with necessary aluminium cable socket by crimping etc. with electrical connection complete.

Supply and Laying of 3 1/2 x 240 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and Laying of 3 1/2 x 185 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and Laying of 3 1/2 x 95 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and Laying of 3 1/2 x 70 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and Laying of 3 1/2 x 50 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and fixing of brass cable gland for 3-1/2 x 240 sq.mm. PVC armoured LTUG cable with earth connection

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

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 fixing of brass cable gland for 3-1/2 x 95 sq.mm. PVC armoured LTUG cable with earth connection

Supply and providing cable end termination of 3-1/2 x 95 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete.

Supply and fixing of brass cable gland for 3-1/2 x 70 sq.mm. PVC armoured LTUG cable with earth connection (SD 167)

Supply and providing cable end termination of 3-1/2 x 70 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete.

Supply and Laying of 4 x 16 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good. (For RMG Room Lights and Street Light Cable)

Supply and clarnping of 4 x 16 sq.mm. PVC LTUG armoured cable on post or on wall with MS clamps.(From Building DB to MCB in RMG Room)

Supply and fixing of the 4x16 sqmm brass cable gland for the 4x16 sqmm PVC Armoured LTUG cable with earth connection.

Supply and providing cable end termination of 4x16 sqmm PVC LTUG Aluminium armoured cable with necessary aluminium cable sockets by crimping etc. with electrical connection complete.

Supply and erection of G.I. Stepped tubular pole of 8 Metre Length Single Bracket Pole with Base Plate (250 x 250 x 6mm) 114.30mm OD x 5.40mm Thick x 4500mm Length, 88.90mm OD x 4.85mm Thick x 1750mm Length, 76.10mm OD x3.25mm Thick x 1750mm Length, with single arm ornamental bracket of outer dia 50 mm pipe bent suitably to give a height of 1.5 mtr and overhang welded suitably with ornamental bracket and fixed rigidly with 8 Nos of bolt and nuts to prevent any turning movement of bracket due to wind with sheet moulded compound (SMC) junction box IP 42 protection of size (295mm x 225 mm x 120mm) , fire proof of suitable size with 4 way terminal block with hylem sheet of size (250mm x 200mm x 6mm) with 1 No. 16 A fuse unit with 1 No. suitable links provided at a height of 2.0 mtr from the ground level with embossing of metalic DANGER 440 V with earth connection with earth bolts of size 8mmx25mm welded on the pole at one end with 4 mtr of 40 mm PVC pipe for incoming and outgoing cable. The pole shall be provided for coil earth with No. 8

for coil earth with No. 8 SWG GI wire of 11.5 mtr of length in which 10 mtrs of total length compressed in to a coil of one meter length. The pole shall be painted with one coat of red oxide primer paint and two coats of aluminium paint of reputed make to the length of pole with supply and fixing of 150W LED street light with necessary connection wire from junction box to the fittings with 3 x 1.5 sq mm PVC copper wire for each fitting with pole earthing with necessary connections testing and commissioning as per the specification. The pole should be mounted on the special type of bracket which would be fixed on the side of the crash barrier and the details are as follows The bracket should be fabricated like diagnal cut of the cubic structure with 25 mm thick plate of size The bracket should be fabricated like diagnal cut of the cubic structure with 25 mm thick plate of size 425x400x25mm with 8mm thick stiffner plate for side support and providing 8 Nos 25 mm hole for fixing the bracket on wall with special flange on the other side of barrier, with necessary M14 and M16 bolt with spring washers, nuts etc.,

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 2.5 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 2.5 sq.mm copper wire and making good of the concealed portion. (For 15A Plugs and LED Flood Light for Heating )

Supply and fixing of 70W LED Flood light with special type MS Angle and Clamp on wall with suitable necessary connection. (Philips/Havells/Equ)

Supply and fixing of 40A 4P MCB in Metal box FP enclosure in flush with wall and making good of the concealed portion with earth connection. (Legrand (MDS)/ Hager (L&T) make) (RMG Room and Street Lights)

GST at 18%

SRI GURU RAGHAVENDRA ELECTRICALS (BID ID -1538915)