Electrical Works

Five Panel Consumer VCB: Supply, erection, testing, commissioning and of 11KV 25KA HT Five panel Vacuum Circuit Breaker Switch, Outdoor type for installation, board comprising one Incomer VCB and 4 Nos Outgoing 630A 500MVA 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 shutter, Mechanical Close/ Trip knob, Mechanical ON/OFF indication, Operating Handle, 110V AC-110V DC Power Pack etc. (Incom-1 & Outgoing-4Nos) 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)

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. 800Amps Copper Bus bar PVC Sleeved and required panel copper earthing. 11. Control switch TNC (Incoming-1 No, Outgoing -1No) 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 coated with Paint shade siemens Grey, paint finish Provision through Bottom entry to receive Incoming and Outgoing cable excluding cable glands and cable termination etc.(Make Megawin/System Control /Siemens).

Supply and clamping of 11KV 3 core 300 sq.mm XLPE HT UG cable in a trench to be excavated at 1.0 Mtr. and covering the cables completely with RCC. Truff and refilling the earth to make good. (From EB RMG To Consumer New Five panel VCB and From New Five Panel VCB to Existing Five Panel VCB ).

Supply and providing cable end termination suitable for 11KV 3 core 300 sq.mm XLPE HTUG cable with necessary indoor type heat / cold shrinkable joint kit and accessories (Make:Ray Chem/M Seal).

Supply and laying of 3 core 185 Sq.mm PVC armoured XLPE HTUG cable on the cable trench with suitable necessary connections. (From 5 Panel Consumer VCB to 2Nos 500KVA NewTransformer).

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

Outdoor Type ONAN type Transformer: Supply, erection, testing and Commissioning of 500 KVA 11KV/ 433V,copper wound ON load tap changing copper wound Outdoor type distribution transformer ONAN 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 185 sq.mm 11KV XLPE HT cable. B) LT Cable end box suitable for connection 3 runs of 3.5x400Sqmm LT Cable 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).

Supply and laying of 3 runs of 3 ½ x 400 Sqmm PVC armoured LTUG cable in suitable Size HDPE pipe in a trench to be excavated at a depth of 0.75 meter and refilling the earth to make good.

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

Supply and providing cable end termination of 3-1/2 x 400 sq.mm. PVC LTUG aluminium armoured cable with necessary 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” X 1/2”(50mm 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 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 protection safety accessories as per CEIG, IE rules inforce with interconnection and terminations as required in specification. 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-8 Nos 2) Supply and fixing of 250A 3 Pole MCCB with spreader link and Extended Rotary handle-8 Nos 3)Supply and fixing of 160A TP MCCB with extended Rotary handle and Spreader terminals -1No. 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)

Supply and fixing of 400A capacity dust and proof cubical panel board of size 7’ ft x 6’ ft x 2’ ft CRCA 16 SWG sheet for outer body and stiffness and doors switches supports respectively and with supply and fixing of the following cubical mounting switches with centre Horizontal bus bar chamber and vertical covers, and cable chamber on both

to the cubical switches cable glands cable adopter box etc, bus should be mounted on synthetic enamel compound bus supports at equal interval as per IS specifications. The incoming 400A switches should be connected to the bus with same size of 2 x 1/4 fixed copper flat, 125A switches should be connected to the bus by 1x1/4 fixed copper flat .The switch should be separated by 6mm thick hylem sheet separators and properly (double) earthed as per IE rules, CEIG specification. The panel should be powder coat painting Siemens grey complete with LED Digital Display for VAF Meter chamber. The cable size, capacity of switch and location should be marked with white paint .(L&T/Siemens) @ Bio Safety Lab - GF & FF - 2 Nos)

Earthing as per the ISI specification with an earth electrode of 2.1mt class 'B' GI pipe of dia not less than 40mm, with copper earth plate of size 125mm x 50mmx6mm, with necessary funneling arrangements with necessary masonry work and with 38mm RCC cover slab for the brick masonry.

Supply and run of 25mmx6mm copper flat with with screws on wall/floor for earth connection. (For TR. Neutral)

Supply and run of 25mm x 3mm copper flat with porcelain insulator with screws on wall/floor for earth connection.

Supply and erection of 100 KVAR 415/440Volts 50Hz 3 Ph automatic power factor correction panel, 8 stage, (at 0.95 lag), made up of powder coated, 14 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 250A triple pole MCCB as incoming (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 current2 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 Sequencen. 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.

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

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

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

Towards safety accessories, measuring instruments and tools. Safety Accessories for 11 KV-substation First Aid Box-1 No Fire Bucket with stand -2 Nos. Rubber Mat 2.5mm X lm X 2m - 8 Nos. Fire Extinguisher-DCP- Co2 4.5 Kg’s - 6 Nos. Hand Gloves- 2 Nos. (1 pair) First Aid Chart Tamil and English - 2 Nos. Earth Discharge Rod-1 No Danger Board -2Nos and Shock treatment chart fixed in glass frame-1 No 2 Nos AC Chargeable Emergency lamp 2x11W PL Lamp with all connected accessories.

Preparation of Electrical schematic diagram, site plans, physical layout 5 copies and payment of CEIG fees submission of completion report, rectification report, obtaining drawing approval, safety certification etc., complete including lamination copy fixed at HT sub station.

Supply and Laying of 2 run 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. (From MV Panel to 400A Sub Panel in Bio safety Lab) ( 2 run X 1336)

Supply and clamping of 2 runs of 31/2 x 185 Sqmm PVC LTUG armoured LTUG cable on post or on wall with MS clamps. (1206x2runs) ( From MV panel to Sub panel in Bio Safety Lab) =2412

Supply and fixing of Numeric/ Micro Tek Make 5kva online ups 192V DC (Three phase input/single phase output) true online UPS system with latest microprocessor based PWM technology with high efficiency greater than 90% without interruption with 12v-100ah-1no’s for 1hrs backup supported with tubular (Exide Make)batteries including Heavy duty PVC Stand for UPS and Batteries complete with the following specifications: DATA A: 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:- 1 Phase-170V – 270V AC OUTPUT:- 230V±1% on battery mode FREQUENCY:- 47 Hz – 53 Hz SYSTEM DC VOLTAGE:- 120V INVERSION TECHNOLOGY:- Micro processor controlled, PWM with instantaneous SINE WAVE control using IGBT. CHARGER :- Built in solid state automatic float-cum boost charger with constant current, constant voltage mode of charging along with RECTIFIER :Full wave (shall fully meet the specified input power requirements) INPUT:- 1 Phase-170V – 270V AC OUTPUT:- 230V±1% on battery mode FREQUENCY:- 47 Hz – 53 Hz SYSTEM DC VOLTAGE:- 120V

INVERSION TECHNOLOGY:- Micro processor controlled, PWM with instantaneous SINE WAVE control using IGBT. 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. PROTECTIONS (in built):- i.output under voltage ii. output over voltage. iii. output over load iv. output short circuit. v.HRC Fuses-input/output/ battery. vi. Battery low trip. vii. battery charging current limit. Terms and Conditions:Note:1)Two years replacement warranty for MicroTek UPS 2) Four Years warranty for Exide Batteries 3)Backup Time 2Hours

Supply and fixing of Cable route indicator for HT Cable for identification with necessary arrnagements.

Supply and fixing of Cable route indicator for LT Cable for identification with necessary arrnagements.

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 conduit pipe suspension 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 dia GI bend complete on the existing post/ on wall with PVC unsheathed FRLS 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").

Supplyandfixingof375mm(15")sweep(lightduty)ACexhaustfancompletewithnecessarywallopeningandmakingof the wall

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

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.(6 Module)

Supply and run of 2 of 4sqmm (56/0.3) PVC insulated SC unsheathed Cu.Conductor of 1100V Grade in suitable PVC rigid pipe concealed in wall and ceiling with continuous earth wire connection by 14 SWG TC wire and making good of the concealed portion with suitable colour.

Supply and fixing of 12 way single pole and neutral MCB sheet steel enclosure distribution board with double door (metal) with 1 no. 32A DP MCB switch as incoming and 10 nos. 6A to 32A SP MCB as outgoing in flush with wall with earth connection only. Higher End.

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.

Supply and fixing of Three phase Seven Segment type 6 way 63A distribution board with Metal Door cover Code IP42 Protection , with 100A 4 pole MCB as incoming and Sub incomers 3 Nos 40A DP ELCB and 18 Nos 32A SPMCB as Outgoing in flush with wall and making good of the concealed portion with earth connection only. The MCB DB and MCB’s should be with ISI mark. (Hager/legrand)

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 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) (For HT Room Street Lights)

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 )

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 fixing of 120W LED street light fitting with LED (Higher end) with 32mm dia. GI pipe (class B) with 1 no.32 mm dia GI bend complete on the existing post/ on wall with PVC unsheathed FRLS copper leads with MS clamps and with painting.(SD-459)(Exisitng Post in Bio Safety Lab-III)

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