External Electrical work in Construction of CTO Building (RHS Part) under Construction of Mini Secretariat at Sri Ganganagar

1. External Electrical Work

Providing & Laying XLPE insulated & P.V.C. sheathed Armoured Aluminium cable confirming to IS :7098 P - I of 1.1 KV with H4- Grade electrolytic aluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, Inner / outer sheath confirming to IS:5831 in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) including testing commissioning etc. as required of following size.

Excavation of trench of size 75 cm (Depth) x 35 cm(Width) for laying of suitable no. of LT cables (Inter spacing between cables should not be less than 2 D) in ground with following procedure :- (a) Make a river sand bed of height 100 mm along the trench, (b) Lay the cable in the middle of the trench, (c) Provide river sand bed of height 100 mm on top of the cable, (d) Lay the protective Common burnt clay F.P.S. Bricks of Class designation 75 / Sand stone slabs of 50 mm thickness and 225 mm wide just above the sand bed vertically across the cable, (e) Backfill the excavated soil leaving 300 mm from the Ground level, (f)Lay the Cable warning tape and again back-fill the remaining portion of the trench upto the ground level and compacting the earth.

Supplying and making one end termination with Nickel plated heavy duty brass single compression gland (as per IS 12943-1990)) SIBG type consisting of Check Nut, Gland Body, Metal Washer(3 Nos.), Outer Seal Rubber Ring, Compression Nut, heavy duty aluminium lugs (as per IS 8309 -1993) duly crimped with crimping tool, PVC tape as per IS 8337-1976 of following size of PVC insulated & PVC sheathed/ XLPE aluminium conductor cable of 1100 volt grade as required.

2 x 4.0 sq.mm

4 x 10.0 sq.mm

3.5 x 35.0 sq.mm

3.5 x 95.0 sq.mm

3.5 x 185.0 sq.mm

3.5 x 300.0 sq.mm

Providing & Laying XLPE insulated three core Armoured Aluminium cable for working voltage 11 K.V.(E) confirming IS :7098 P - 2 with H4- Grade electrolytic aluminium conductor confirming to IS: 8130 class-2 of purity >99.6 %, Insulation Screening: Extruded Semiconducting Compound followed by helically wrapped Copper Tape, round / flat strip armouring of cables , Inner / outer sheath PVC type ST-2 confirming to IS:5831 in existing RCC pipe / Hume Pipe/ Stoneware Pipe/ PVC pipe/ open duct/cable trench / Cable tray (with cable tie) including testing etc. as required of following size.

3 core 185.0 Sq.mm

Excavation of trench of size 120 cm (Depth) x 35 cm(Width) for Laying of suitable no. of HT cable( Inter spacing between cables should not be less than 2 D) in ground with following procedure:- (a) Make a river sand bed of height 125 mm along the trench, (b) Lay the cable in the middle of the trench, (c) Provide river sand bed of height 125 mm on top of the cable. (d) Lay the protective Common burnt clay F.P.S. Bricks of Class designation 75 / Sand stone slabs of 50 mm thickness and 225 mm wide just above the sand bed vertically across the cable ( Approx. 9 no. Bricks per Mtr.), (e) Backfill the excavated soil leaving 300 mm from the Ground level, (f)Lay the Cable warning tape and again back-fill the remaining portion of the trench upto the ground level and compacting the earth

Providing & making heat shrinkable type indoor/outdoor/straight through terminations/ joint kit suitable for 11 KV / 33 KV (Earthed) cable with required components, prepration of cable ends. Type test report should be as per IS13573:2011 including testing etc. as required of following sizes.

11 KV End Termination Kit Indoor type

3 core 120/150/185 Sq.mm

11 KV End Termination Kit Outdoor type

3 core 120/150/185 Sq.mm

11 KV Straight Through Joint Kit

3 core 120/150/185 Sq.mm

Plate Earthing as per IS:3043 with copper Earth plate of purity >95% of size 600mm x 600mm x 3.0mm by embodying 3 mtr. below the ground level with 20 mm dia. G.I. 'B' class watering Pipe ,including all accessories like nut, bolts, reducer, nipple, wire meshed funnel, Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm. and embodying the pipe complete with alternate layers salt and coke/ charcoal, testing of earth resistance for value of 5 ohms or less as required.

SITC of Copper Bonded rod Earthing with high tensile strength (more than 600 N / sq.mm low carbon steel rod molecularly bonded with Copper thickness (250 microns) and confirming to UL 467 of following size and length and as per point mentioned (a), (b), [c), (d), (e) below :-

(a) Bore a hole of dia. 100 mm of required length, Place the rod in the centre of Hole

(b)Earth enhancing compound to ensure the moisture content and electrical conductivity, 25 kg for 3000 mm. The compound shall be tested form NABL accredited lab for low resistivity (less than 0.12 Ohm - meter) & high conductivity in nature with carbon as a major content in accordance with IEC 62561-7

© Connect the rod with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt

(d) Place Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm.

(e) Testing of earth resistance for value of 5 ohms or less as required.

(f) Test certificates for confirming above standards from OEM is mandatory.

25 mm thick and 3 Mtr. Long

Supply & Laying following size earth strip in horizontal or vertical run in surface by means of Earth strip DMC Insulator including riveting/ soldering/ welding, Jointing shall be done by overlapping double the width of strip and with 2 set of Brass (for Cu strip) / GI (for GI Strip) nut bolt & spring washer spaced at 50cm making connection etc. as required.

20mm x 3mm copper strip

25mm x 3mm copper strip

25mm x 3mm G.I. ( Hot Dipped ) Strip

Supply & Laying following size earth wire in horizontal or vertical run in ground/surface/recess including riveting, soldering, saddles, making connection with GI/Cu purity purity >95% thimble etc. as required.

8 SWG G.I. ( Hot Dipped ) Wire

P & F of Heavy duty weather proof poly-propylene earth inspection chamber as per requirement of IS/IEC 62305 and tested as per IEC 62561-5 with lockable Jam free lid suitable for safe working load 60 kN of round / square size 250 mm, and Height 250 to 300 mm.

Supply, fabrication, and installation of a galvanized iron (GI) pipe support structure ( Lightning Mast ) with a 350 mm × 350 mm base plate and 10 mm thickness for secure mounting. The mast shall support the ESE air terminal and include provisions for a guy wire clamping system to ensure stability. It shall provide a secure arrangement for fixing the air terminal and have appropriate termination point / arrangement for connection to the downconductor.

Total Mast height : 5-7.5 meter

Supply, installation, and testing of an Early Streamer Emission (ESE) Air Terminal, designed and tested in accordance with NFC 17-102 standards, with Delta T ( Initiation Advance ) time tested and certified by an ILAC-accredited high-voltage test laboratory. The air terminal shall be constructed from corrosion-resistant materials to ensure durability and long-term performance. It shall be installed at the highest point of the structure and mounted on a mast of minimum 5.5 meters or as determined by the initiation advance time (ΔT) calculations, ensuring the required protection radius. The protection radius shall be determined as per NFC 17-102, based on the level of risk protection required (Levels I to IV), with proper Earthings integration for effective lightning dissipation.

ES-60 Triggering Advance Time (ΔT) -60µs, Protection Radius (meters) as per Highest Risk 79 Mtr.

Supply and installation of an 8 mm aluminum down conductor, designed for efficient dissipation of lightning currents. The conductor shall be securely fixed using corrosion-resistant clamps at appropriate intervals, ensuring a continuous, low-resistance path from the air terminal to the earthing system. The conductor length shall be determined based on actual site conditions, with all necessary accessories, including clamps, connectors, and fasteners.

S/F cable route marker with 10cm x 10cm x 5mm thick or 10 cm dia. G.I.plate with inscription thereon, bolted/welded to 35mm x 35mm x 5mm angle iron, 60cm long and fixing the same in ground in C C ( 1:3:6 ) as required

P / L of Double wall corrugated HDPE pipe confirming to IS : 16205 P-24, Stiffness Class 750 N, Externally corrugated and having smooth surface inside with HDPE Coupler, Elbow, Tee at required Depth below the ground for laying cable of following Nominal Outer dia. MFR Test report from NABL accrediated is to be submitted.(Excavation of trench, CC Haunching, Back filling of Earth with compaction is to be Paid Extra).

Providing and laying Non Pressure NP-3 class R.C.C. pipes confirming to IS:458 including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) etc. as required. (Excavation of trench, CC Haunching, Back filling of Earth with compaction is to be Paid Extra).

450 mm dia.

labour charges for Excavating trenches of required width for pipes dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 Mtr.:

All kind of Soils

Supply and laying speaker cable of ollowing size 2 core twin twisted multi stranded electrolytic grade copper conductor, overall PVC insulated and armoured cable (Blue colour) on surface/ above false ceiling including cost of GI spacers, saddles etc. as required.

Supply installation testing & Commissioning of Copper wound distribution Transformer of following rating and % Impedance, 11/0.433KV Delta-Star Connected, Vector Group Dyn 11, ONAN Cooled losses as per IS 1180 part I 2014 (Fourth Revision) Level-1, including standard accessories like conservator with prismatic oil level gauge , silica gel breather, Bucholz relay, pressed steel radiator fins, Radiator Valve(above 800 Kva) Suitable size HT cable box, LT cable box or Busduct adaptor box, Off -LTC ( +5% to - 7.5% in steps of 2.5 %), temperature rise of 40 degree C in oil / 45 degree C in winding , drain valve, Air release device, Dial type Oil & Winding Temperature gauge with alarm & trip contacts, first filling of transformer oil as per IS :335-1953 , Epoxy primer and PU based paint as Top coat, Unidirectional rollers for rating upto 800 kva & bi- directional above 800 Kva rollers with locking arrangement etc. as required. Factory Tests: The Transformer shall be subjected to routine factory tests (as per IS:2026 and IS:1180) including Temperature rise test in OEM's own lab and same shall be witnessed by Department engineer. Site Tests: Following tests shall be carried out on each transformer at site by OEM enginer in presence of department's site engineer:- a) Ratio test on each tapping.b) Resistance of windings at principal and all tapings.c) Insulation resistance of the winding between HV to earth / HV to LV / LV to earth.d) Vector group test.e) Magnetic Balance test. Transformer shall also be tested in CTL of discom before charging & complete installaion must be certified from Electrical Inspectorate office as per Indian Electricity rule, (CTL testing charges and Electrical Inspectorate office charges shall be reimbursed to the contractor)

Note :Manufacturer's testing laboratory should be certified by NABL and have an in house core cutting facility to ensure proper control & monitoring of quality. This is crutial to prevent the mixing of prime core materials with Second grade or defective materials. The core should be constructed from high grade, non ageing, PRIME GRADE CRGO steel with M4 Grade or Better, using silicon steel laminations, and should be of boltless design. The core and coil assembly should be undergo drying process using a highly efficient vacuum drying autoclave to remove moisture through heating and drying.

630 KVA with % Impedance 4.5

SITC of Marshalling box fabricated out of 2.0 mm thick sheet steel, provided with water tight hinged doors with padlock arrangement, neoprene gasket all around door to make enclosure water and dust proof (IP-55). Space Heater, Illumination lamp, 5A switch & Socket, MCB, Viewing window, detachable gland plate completely wired, ready for external connections at the terminal blocks. All wirings shall be carried out with 1100 V grade PVC insulated stranded conductors. Power circuits if any shall be wired with stranded copper conductors of adequate sizes to suit the rated current. The minimum size shall be 2.5 sq.mm. Control, alarm and indication circuits, shall be wired with stranded copper conductor of sizes not smaller than 1.5 sq. mm. CT circuits shall be wired with stranded copper conductor of size not smaller than 4 sq.mm. including 150 mm dia. Winding temperature indicator with A&T contacts, 150 mm dia. Oil temperature indicator with A&T contacts , 150 mm dia. Magnetic Oil level Gauge ( MOG) with alarm contact, double float type Buchholz relay with isolating valves on both sides and as per IS: 3637 with A&T Contacts etc. as required.

SITC of 11kV 630 Amps 21KA for 3 Sec. SF6 insulated, outdoor duty (IP54) , Extensible / Non extensible type Ring main unit (RMU) manually operated in combination of VCB modules and Load Break switch consisting of Copper busbar in SF6 insulated stainless steel Outdoor enclosure of thickness of 2 mm and tank of stainless steel Outdoor enclosure of thickness 3mm with manometer. The HV switchgear and control gear should be confirming to IEC-62271-100, IEC-62271-200-2003 & IEC-60694-1996. The RMU should be internal arc tested for 21KA for 1Second with IAC-AFL classification for both Cable chamber and gas tank as per IEC 62271-200 and LBS to be rated for class E3 as per IEC 62271 - 103. Vacum Interrupter should be same as used during type test of RMU. Each feeder of RMU should have voltage presence indicator. and VCB feeder should consist of 1 no. microprocessor based Self powered numerical relay with over Current/ earth fault & short circuit protection with each VCB feeder, 3 Nos. Protection CT shall be of Burden 2.5VA, ratio 50/1A, Class of Accuracy class 5P10 for O/C and E/F protection for each VCB. Load break switch feeder shall have Fault Passage indicator, Right angle boots for all the feeder Modules, Remote trip, Emergency Stop, Cable cover interlocking, Trasnformer protection tapo card etc. All the type test certificates as per IEC and CEA from Third party NABL / CPRI / ERDA accrediated lab to be submitted. (Cost of RCC Foundation / Steel Structure to be paid Extra)

Non Extensible 1 way RMU with 1 no. VCB & Direct Cable Entry

Coupling Assembly to connect two different RMUs.

Add Extra for On load tap changer (OLTC) (+5% to - 15% @ 1.25%) and Remote tap changer control (RTCC) panel with Automatic voltage regulator (AVR) in place of Off circuit tap chaner (OFTC) for 11/0.433 KV Transformer

SITC of HT metering cubical panel (as approved By DISCOMs) fabricated from 20 SWG CRCA sheet steel having two compartments & MS angle of size 60mmX 6mm. It should have provision for Following: (i) fixing Trivector / Import - Export Meter (To be supplied by DISCOMs) (ii) fixing of combined CT PT Set with Copper strip for Connection (To be supplied by DISCOMs), (iii)Test terminal Block, (iv) 6mm thick Bakelite sheet on all sides, (V) 3/6 corex 1.5 / 2.5 Sq.mm copper cable for interconnections, etc. as required. .

Supply & fabrication steel structure with MS channel / angle / joist / ISMB / sheet etc. including welding, rivetting, cutting, nut & bolt , one coat of primer & two coat of enamel paint etc. as required complete in all respect. .

Earth work in excavation/ by mechanical means (Hydraulic Excavator) / Manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sum on plan) including disposal of excavated earth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelled and neatly dressed:

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources)

Plaster on new surface on wall in cement sand mortar 1:4 including racking of joints etc. complete fine finish :

20mm thick

Providing and fixing welded mesh/expanded metal mesh 25 mmx 25 mm x 3mm in frame work, flat iron beading 20x3mm including top cross laps inside and out sides welding, iron bolts, crews, clips etc. including two coat of red oxide and two coat of enamel paint or more required complete with frame work with 50 X 50 X 6mm angle iron post 30 cm in ground embeded in cement concrete 1:3:6 (30X30X45cm) at corner and every three mtr including painting with one coat of primer and two coat of enamel paint work will be done as per direction of engineer incharge of size complete in all respect. .

Gravelling of Transformer / RMU Yard with 100 mm Height Gravels of Size 20 to 25 mm including leveling, Dressing etc. as Required.

Supply and erection of Galvanized Iron pole with galvanizing done in single dipping (Average coating thickness Minimum 65 Microns) continuously tapered poles having Octagonal / Circular/ Conical cross-sections designed to withstand the maximum wind speed as per IS 875, The pole shaft shall be made from sheet steel (HT Steel Conforming to grade S355JO) and confirming to BSEN 10025 and shall be continuously tapered with single longitudinal welding. There shall not be any circumferential welding. The welding of pole shaft shall be done by Submerged Arc Welding (SAW) process. pole shafts shall be provided with the rigid flange plate of suitable thickness (Fe 410 conforming to IS 226 / IS 2062) with provision for fixing 4 no. foundation bolts, The base plate shall be fillet welded to the pole shaft at two locations i.e. from inside and outside.The octagonal Poles shall have hinged lockable door of approximate 500 mm length at the elevation of 500 mm from the Base plate with bakelite sheet having 6A SP MCB and 16 sqmm stud type connector ( 4 nos) inside the pole at door opening for cable connection of following length and dimension as per table P-01 for Octagonal & P-02 for Conical with base plate and foundation bolt on the Existing cement concrete foundation. To ensure quality of product it's entire manufacturing process starting from sheet cutting to galvanization sould be done under one premises.

Poles with Octagonal/Conical Cross Section

Supply and Fixing of Pole OEM fabricated hot dipped galvanised M.S. Overhang (48.3 X 3.25 mm) with cap ( 250x 88.9 / 114.3 x 3.25 mm) over the existing poles.

Single arm overhang

Providing and Laying RCC Foundation for Octagonal / Conical Street Light poles as per Drawing attach at Table P-05 with Following Procedure

A) Excavation of Pit for Foundation Size upto required depth from Ground level

B) Dressing of Pit and Dry stone pitching 200 mm thick including supply of stones and preparing surface complete.

C) Providing and laying in position cement concrete of M-10 grade of 75 mm thickness

D) Reinforcement for R.C.C. work with TMT bars including straightening, cutting, bending, placing in position and binding all complete.

E) Centring and shuttering including strutting , propping etc. and removal of form work for Footing and Pedestal

F) Providing & Fixing of 2 no. Required Size PLB HDPE Pipe & Foundation Bolt with template as per OEM Recommendations.

G) Providing and Laying Reinforce cement Concrete of M-20 grade in Footing and Pedestal including Curing the foundation for minimum 7 days.

H) Providing and Fixing Nosing Angle 25 mm x 25 mm x 3mm with 2 no. of 100 mm long, 6 mm dia fastener

Pole Foundation for Octagonal pole from 3 Mtr. To 6 Mtr.

Pole Foundation for Octagonal pole from 7 Mtr. To 9 Mtr.

Providing & Fixing of IP-65 Protected LED aviation obstruction light luminaire comprising of die cast aluminium alloy housingwith Polycarbonate enclosure having more than 200 No's Low Power LED's having minimum power consumption 15 watts complete in all respect.

aviation obstruction LED light luminaire 12/15 Watts

Providing & Fixing of IK08, IP 66 protected LED Street Light Luminaire on existing bracket/pole. Fixture made of powder coated single piece pressure die cast aluminum material with heat dissipation fins on housing and secondary lens on each LED/ integrated lens diffuser without cover & should be High power LED of 3 to 5 watt each . The System efficacy >=135 lm/ wt and integrated metal case potted driver & has a unique BIS R number ( as per IS 15885) with Input Voltage AC 120 to 270 V AC with High voltage Cutoff @>=300 V AC & Low Voltage cutoff @>=90 V AC and Auto resetting Safety , Power Factor >0.95 driver Efficiency >85% ,THD(I) <10% Humidity 10% to 90% RH Working Temp -5C to 45C . LED driving output current <750mA. The luminaire shall be BIS certified (Fitting & driver both have separte BIS R number) and Trade mark certified. Life Expectancy Equal or more than 50000 burning hrs with Minimum 70% lumen maintened , CRI >70 and CCT 5700K +355K. Surge protection shall be min ≥ 4 KV internal and min 10 KV external inside driver compartment. driver should be Phase to phase protection of 440 V for 4 Hrs as required.

LED Street Light fixture with Minimum lumen output 20250 lm

Providing & Fixing of IK07 IP65 protected Top/Bottom mounted LED Post top Luminarie top & bottom made of single piece construction powder coated die cast alluminium housing with UV stabalized Clear / frosted Polycarbonate diffuser and Aluminium anodised with powder quoted reflector. The System level Luminous efficacy ≥ 80 Lumen/W. SMD LEDs is to be used, System CRI>70, CCT: 3000/4000/6500 K. The integral electronic driver must be potted & has a unique BIS R number constant current and Internal/external surge protection device of min. 4KV(L-N) and efficiency > 85%, PF>0.9, THD<10% and input Voltage range of 140-270V AC at 50Hz. System life of 50000 Burning hours with 70% of Initial Lumens maintained . LED Driving output current <750mA as required.

Minimum lumen output 3600 lm Post top Luminarie

SITC of IP-42 and general construction confirming to IS:8623 : 1993, wall/ free standing floor mounted dust and vermin proof compartmentalised cubical panel as specifications and Other parameters required as per point (a) ,(b), (c),(d), (e), (f), (g), (h) as below:-

(a) Thickness of CRCA sheet shall not be less than 1.6 mm upto 450 mm length/ width of any compartment and be 2.0 mm above 450 mm, load bearing structure shall be 2.0 mm thick sheet supported by base M.S. channel if required, cable alley compartments having concealed hinged type doors with key type lock with / without detachable extension type structure. Removable 3 mm. thick sheet steel gland plates with appropriate size of knockouts for cables shall be provided

(b) complete panel shall undergo a process of degreasing, Water rinsing, Activation, derusting, pickling in acid bath, phosphatising & shall be subjected to nine tank process and then Powder coated with approved shade of minimum 70 microns on both side(Inner & Outer side) of panel. The panel having PE foam/ Neoprene rubber gasket of not less than 3mm thickness ,required hardware , concealed hinged door with key type locking arrangement for equipment/switchgear earthed with 2.5 sq.mm braided copper wire.

[c) Interconnection between bus bar and switchgears /cable shall be rigidly supported and made out by flexible copper wires (up to 63 amp ) and by solid bus bar (>63 amp ) . control wiring will be carried out with 1.5 Sq.mm, Earth wire with 2.5 Sq.mm and CT with 2.5 sq.mm flexible copper wire only. All joints / interconnections of copper bus bar shall be dully tinned . Clearance between main bus bar and risers / metal parts shall be at least 10 mm additional to width of bus bar Bus bar is insulated by Heat Shrinkable sleeves . Earth and Neutral bus bar shall be half of the size of phase bus bar. ( Cost of Bus bar / Flexible wire for Interconnection between Main busbar and Switchgear is to be Paid Extra )

(d) Wiring between components within switchgear and Incoming / outgoing cable shall be done through the terminal block only. Direct connection shall not be permitted. Each terminal block shall be one piece moulded, barrier type, 650 volt grade, complete with washers, heads, studs with two nuts and identification strips and shall have adequate continuous current rating. For tap-offs, adjacent terminals with shorting strips shall be used. 10% Spare terminal blocks shall be provided. Wire identification on marking strip shall correspond to the designation of the wiring diagrams. All wire terminals on the equipment shall also be marked with designation corresponding to those of the wiring diagram.

(e) All wiring shall be enclosed in plastic channels and neatly bunched and closed in metering chamber, Wiring between terminals of various devices shall be ‘point to point’ (no wire splitting or tee connections) with wires neatly trucked along the back of the panels, adequately supported to prevent sagging.

(f) Floor mounted panel shall be mounted on Base frame of ISMC channel size 100 x 50 x 5 mm ( to be paid Extra )

(g) Tests: The insulation resistance (with 1000 V Megger) and High voltage Power frequency test (by applying a voltage of 2.5KV for one minute) shall be measured between phases, between phase and neutral and between phase and earth. both before and after high voltage power frequency test. The insulation resistance shall not be less than three megaohm. CT Secondary current injection test shall also be carried out.

(h) only outer surface area on all sides shall be measured & panel to be fabricated only from CPRI approved fabricator only (CPRI type Test certificates for Temp. rise test, Short circuit test for 50 kA and IP test is to be submitted)

Supplying and fixing of Aluminium (IEC 60105 ISO 209-1,2) / Copper (IEC 60028) bus bar by means of SMC / DMC type insulator, with short circuit withstand capacity of 31 MVA for 1 Sec. , high tensile nuts and bolts spring washers in existing panel including bending , cutting in required shape and size and colour coding with heat shrinkable PVC sleeves.

Electrolytic grade Aluminium bus bar 6010 grade

Providing & Fixing of IS: 13875 & IEC :61326/IEC:62053-22 confirming LED Digital type (up to 500) V range Volt meter / Direct- Ammeter / CT opertated ammeter/ Frequency meter / KWH meter / Multi Function Meter / Power analyzer of class 1 accuracy of size 96mm x 96 mm including making connection by PVC insulated copper conductor with PVC sleeves / channel etc. as required.

Three phase AMP+HZ+PF+KW+KVA+KVAR+T.ENERGY+THD-I, THD-V & RUN HRS Meter

Providing & Fixing of Current Transformer confirming IS 2705-I (1992) with secondary terminal and shorting Block , with all necessary support in existing panel including connection etc. as required Current transformer Ring Type Tape Wound/Resin Cast Wound Accuracy Cl, CT ratio and burden as specified. ISF<=5, Cu cross section of secondary wire 1.5sqmm (minimum), including all necessary support in existing panel including connection etc. as required .

Ring type tape wound CT

C T Class 1, Ratio up to 150/5, Burden 5 VA

C T Class 1, Ratio 200/5 to 600/5, Burden 10 VA

Providing & Fixing of 110/220 V, unibody LED Indicating lamp IEC 60947 with integral circuit, IP 65 above panel & IP 20 terminal block, Approx. body dia for panel not less then 20 mm, length min. 50mm, front LED cover dia min. 27 mm, contact material phospher bronze for Led, PCB contacts shall be of brass (tin plated), impulse dielectric tested for 2.5 KV, Rated insulation resistance shall be 100 M ohm at 500VDC including connection etc. as required.

Red/yellow/Green colour

Blue / white Colour

Providing & Fixing of Electrical insulating rubber matts confirming to IS: 15652 / 2006 with one side anti skid aberration marks and pasting the mat with synthetic rubber adhesive as required.

11 KV, Class B 2.5 mm thick with proof voltage 22 KV AC (rms) and Break Down Voltage 45 KV AC (rms)

Providing & Fixing of self healing IP20 MPP type shunt capacitor (banks) conforming to IS:13340-41 / IEC :831-1&2 OR IEC : 60831-1& 2 in existing panel or parallel with load terminals , the capacitor shall be fitted with discharge resistors, pressure sensitive disconnector ( PSD ) and shall have dissipation factor less than 0.0025 at 50 Hz, Operating loss less than 0.30 Watt per KVAR. Min over current capacity 1.8 times rated current & peak inrush current min. 300 times of rated current, life expectancy greater than 100000hrs (temp class - 25 D) in 440 V including making connections, testing etc. as required.

Heavy duty Three phase 440 V, 50 Hz cylindrical type capacitor (Bank)

Providing & Fixing of 3-Phase 415/440 V , 7 % / 14 % Detuned Reactors conforming to IEC 61558-2-20 & IEC 60076-6 Aluminium wound for harmonics filter with 180% to 200 % Linearity, H - Class Insulation ( 180 degree C), high temp. Disconnection above 155 deg C., ambient temperature: +60 deg C. with thermal cut off switch in existing panel with following Capacitor ratings. including making connections, testing etc. as required.

7 % (189 Hz) Aluminium wound Reactors

For 1 to 5 KVAR capacitor

Providing & Fixing of microprocessor based 3 CT’s for all 3 phase sensing compensation power factor correction relay with Approx. Size 139 mm x 139 mm, Operating Voltage 415/440 V , IEC / EN 61000-6-(2&4) having 3 CT sensing, sensitivity up to 50 milli amp secondary current , self analyzing auto c/k setting according to targeted power factor setting, the relay shall have digit display unit for display of real power factor, targeted power factor, lag/lead capacitor switching status, alarm output for under current, over current, High voltage, THD-I & THD-V insufficient compensation, communication interface with RS 485, indication of switching on units, auto/manual status, and shall have over load protection, no volt release , having multi Built in MFM with PF Controller LCD Display, CT polarity auto correction % THD up to 30 harmonics level, step switching time 2 sec to 1800 sec. Lead & Lag parameters, metering facility and 3 no. Class- 0.5 Cast Resin CT for sensing the relay including making connection with 1.5 Sq.mm copper wire etc. as required.

12 to 16 stage

SITC of Microprocessor based Draw out type 3/4 pole door interlock Air Circuit Breaker (ACB) as conforming to IS/IEC 60947 P - 2 :2003 in existing LT panel suitable for LT installation 440/415 V, 50 Hz and having adjustable over load, short-circuit, Instantaneous, earth fault (LSIG) with separate LED indication or Fault details on display for each type of fault shall confirm to EMI/ EMC test , LCD/LED display, last 10 trip history, Inbuilt ZSI, Current metering, Provision for Communication, Thermal memory, trip free mechanism, modular design and suitable for ambient 50 degree and utilization catagary B. In built electrical & mechanical anti pumping feature , pollution degree 3, 100% rated neutral . ACB shall have separate indication for service, test, isolation & maintenance position, Breaking capacity Icu = Ics = Icw ( 1 sec ) , U imp - 12 KV, break time not more then 30 ms. Provision for electrical & mechanical interlock between ACB sand other required accessories (Cost of accessories to be paid extra) Min.electrical operation 10000 upto 1600 A rating and 5000 for 2000 A to 4000 A. including making connections, testing etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate.

Motorised charged type 4 Pole

630/800 A Rating ,50 kA

1000 A Rating , 50 kA

Supply and fixing of following accessories for Air circuit breaker (ACB) in existing ACB including making connection etc complete in all respect.

Mechanical Interlocking Kit using key & Lock

Closing Release

Shunt Trip Release

Under voltage Release

Auxiliary Contact 4 NO + 4 NC

SITC of 3 /4 pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant material having following current rating, short circuit breaking capacity at 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with front face and centralised adjustable, trip free mechanisum, true contact position indicator, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation from 50 to 55 degree and without derating upto 40 degree, pollution degree 3, having positive isolation capability, push (test) to trip, trip time less then 10 ms under s/c condition, Breaking capacity Ics = 100% Icu. U imp =8 KV, rated insulation voltage 690V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle ( to be paid extra) , including making connections etc. as required. OEM shall have submit NABL / CPRI / ERDA/ Intertek accrediated lab type test certificate.

3 pole MCCB With Thermal Magnetic release

125 Amp , 25 kA, adjustable O/L & fixed S/C setting,

160 Amp , 25 kA, adjustable O/L & fixed S/C setting,

400 Amp , 35 kA, adjustable O/L & adjustable S/C setting,

4 pole MCCB With Thermal Magnetic release

125 Amp , 25 kA, adjustable O/L & Fixed S/C setting,

160 Amp , 25 kA, adjustable O/L & Fixed S/C setting,

200 Amp , 25 kA, adjustable O/L & Fixed S/C setting,

250 Amp , 25 kA, adjustable O/L & adjustable S/C setting,

400 Amp , 35 kA, adjustable O/L & adjustable S/C setting,

630 Amp , 50 kA, adjustable O/L & adjustable S/C setting,

Supply and fixing of following accessories for Moulded case circuit breaker (MCCB) compatible to main MCCB OEM as per PWD specification for electrical Works, conforming to IS/IEC 60947 P - 2 :2003 including making connection etc complete in all respect.

Shunt Trip Release

Under Voltage Release

Direct Rotary Handle

GST @18 Percent