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| 1 | SITC of IP-42 and general construction confirming to IEC 61439-1&2. type tested assembly (TTA) 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:- |
| 2 | (a) Panel having short circuit withstand capacity of minimum of 50 kA for 1s (Icw rating) at 415 V, 50 HZ AC supply, Rated Impulse withstand voltage (Uimp) of 12kV for withstanding against transient Overvoltages, mechanical impact level of IK10 level and internal arc for 50kA for 0.3 second with aluminum busbar and fully type tested at an Independent Laboratory, Type test certifacte has to be submitted for all rating of LV Switchgear to be used in Panel. |
| 3 | (b) All four Horizontal Busbars shall be in same compartment. Certified design of switchboards shall be proven design from OEM (Switchgear Manufacturer). OEM name should be mentioned on top of each column of switchboard. Also, OEM Partnership Certificate shall be furnished by Panel builder. Panel shall be fabricated with a double door arrangement. Front Door shall be fitted with transparent Glass to allow maintenance staff to visually access device status, meter readings, indicating lamp status without opening the door. |
| 4 | (c) Panels and cubicles shall be fabricated with CRCA Sheet Steel of thickness, same as as per OEM Design. Sheet Steel having vibration free structure chemically treated with nine tank process before painting for surface treatment and powder coated, with suitable electrolytic grade high conductivity Aluminium busbar extensible type, busbar supports, ( Cost of Bus bar / Flexible wire for Interconnection between Main busbar and Switchgear is to be Paid Extra ) |
| 5 | (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. |
| 6 | (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. |
| 7 | (f) Floor mounted panel shall be mounted on Base frame of ISMC channel size 100 x 50 x 5 mm ( to be paid Extra ) |
| 8 | (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 and Heat run test(type test) shall also be carried out. |
| 9 | (h) only outer surface area on all sides shall be measured & panel to be fabricated only from Switchgear OEM approved fabricators only. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR .(5*4*1.5 feet) |
| 10 | Supplying and fixing of Aluminium (IEC 60105 ISO 209-1,2) / Copper (IEC 60028) bus bar by means of SMC / DMC type insulator with standard short circuit withstand capacity , 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. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . Electrolytic grade (Cu-ETP) Tin Coated annealed copper bus bars IACS 100% grade (2.5cm*1cm*50cm=125Cubiccentimeter *8.96gm/cubiccm=1.12kg per Bus bar) |
| 11 | 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. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . |
| 12 | Providing & Fixing of IP54 microprocessor based 3 CT’s for all 3 phase sensing compensation power factor correction relay Size 139mm 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 analysing 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, 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 parameter like KW, KVA, KVAR, RMS Value, step switching time 2 sec to 1800sec. Lead & Lag parameters, metering facility and 3 no. Class- 0.5 Cast Resin CT ( refer CT specs in this chapter )for sensing the relay including making coonection with 1.5 Sq.mm copper wire etc. as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . 12 to 14 stage |
| 13 | 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, llife expectancy greater than 100000hrs (temp class - 25 D) in 440 V/480 V Capacitor and for 525 V should life expectancy minimum 1,65,000 hrs (temp class - 25 D) including making connections, testing etc. as required.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . Heavy duty Three phase 440 V, 50 Hz cylindrical type capacitor (Bank) |
| 14 | 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, line load interchangeability, designed for both horizontal & vertical mounting without any adverse effect on electrical performance, suitable for operation upto 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 690 V. provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle , including making connections etc. as required.OEM shall have submit NABL / CPRI / ERDA accrediated lab type test certificate before execution All as per pre approved by Engineer in-charge. For additional technical parameters of product / work refer Annexure \"A\" attached with this BSR. 4 pole MCCB With Microprocessor based release with adjustable O/L & S/C setting with Inbuilt Instantaneous and Ground fault Protection. 250 Amp , 50 kA |
| 15 | Providing & Fixing of 440 Volt 3 pole capacitor (AC 6 B ) duty contactor with 3 no. early make and post break auxiliary contacts in series with quick discharge damping resistors/ reactors to limit the inrush current as per PWD specification for electrical Works, IS/IEC 60947-4-1 : 2000, insulation voltage 1000V, impulse withstand voltage 8 KV,Din rail mounting type including making connections, testing etc. as required. suitable for following capacity capacitor bank. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . |
| 16 | up to 6 KVAR |
| 17 | 15.0 KVAR |
| 18 | 25.0 KVAR |
| 19 | P & F of Auxiliary Contactor for AC control standard. 24 V Coil 110, 240 V, 415 V, 50 Hz conforming to IS:13947-4-1/IEC:60947-4-1 with required NO & NC combination including making connections, testing etc. as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . |
| 20 | P & F of Front / Side mounting Add on Auxiliary Contact Block with required NO & NC combination including making connections, testing etc. as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . |
| 21 | Providing & Fixing of flush head push button actuators 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. 29 mm, contact material phospher bronze for Led, PCB contacts shall be of brass (tin plated), impulse dielectric tested for 2.5 KV, including connection etc. as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . Luminous type Red , Yellow, Green, Amber |
| 22 | Providing & Fixing of BIS approved Current Transformer as per PWD specification for electrical Works ,ISI marked as per IS 2705-1992/ conforming to IEC 60044-1, with secondary terminal of CT shall be brought out suitable to a terminal block which shall be easier accessible for testing and terminal connection , with all necessary support in existing panel including connection etc. as required Current transformer Ring Type Tape Wound/Resin Cast Wound as per IS 16227 with, 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 . All as per pre approved by Engineer in-charge.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . Ring type tape wound CT. C T Class 1, Ratio 200/5 to 300/5, Burden 10 VA |
| 23 | Providing & Fixing of Electrical insulating rubber matts as per PWD specification for electrical Works, ISI marked confirming to IS: 15652 / 2006 with one side anti skid abberation marks and pasting the mat with synthetic rubber adhesive as required. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . 3.3 KV, class A 2 mm thick with proof voltage 10 KV AC (rms) and Break Down Voltage 30 KV AC (rms) |
| 24 | P & F in position frame made out of M.S. angle (riveted or welded) finished with two coats of red oxide and two coats enamel paint including cutting, welding, holes etc.of following sizes as required.For additional technical parameters of product / work refer Annexure \"A\" attached with this BSR. 40mm x 40mm x 5mm |
| 25 | P & F paper phenolic resin bonded laminates confirming to IS : 2036 - 1995 for boxes/ frames including making holes for switches etc, with brass screws, washers/ zinc plated nut and bolts as required. For additional technical parameters of product / work refer Annexure \"A\" attached with this BSR. 3.0 mm thick (5*4feet) |
| 26 | Providing & Fixing of 240/415 V AC MCB with positive isolation of 10 kA breaking capacity (B/ C/D tripping characteristic as per type of load and site requirement) 4 KV impulse withstand voltage, ISI marked IS 8828(1996) / conforming to IEC 60898-1 2002, IEC 60947-2, low watt losses, trip free mechanisum , energy limiting of class 3 as per IEC, minimum phase termination capacity of 35sq.mm. , conductor line load reversibility , IP 20 contact protection and fitted in existing distribution board/sheets, minimum electrical operation 20,000 upto 20 A rating and 10,000 upto 63 A, 5000 for 80 A & above rating including making connections, testing etc. as required. OEM shall have submit NABL / CPRI / ERDA accrediated lab type test reports & All as per pre approved by Engineer in-charge. For additional technical parameters of product / work refer Annexure \"A\" attached with this BSR. Triple pole MCB (With B/C curve trippingCharacteristics) |
| 27 | 6 A to 32 A rating |
| 28 | 40 A rating |
| 29 | 50/63 A rating |
| 30 | Providing & Fixing of ISO certified company made TP&N 415 V side handle operated double break fuse switch unit in sheet steel enclosure as per PWD specification for electrical Works conforming to IS/lEC 60947-3 : 1999 (W/O HBC fuses) including making connections with suitable lugs, testing etc. as required. Appropriate type test certificate / OEM test report shall be submitted . All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . 200 A rating |
| 31 | Providing & Fixing of ISO certified company made 240/415 V porcelain kitkat fuse (/HBC type) as per PWD specification for electrical Works conforming to IS:2086,1983 on existing board/ sheet including making connections with lugs, testing etc. as required . Appropriate type test certificate / OEM test report shall be submitted . All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . 200 A , 415 V |
| 32 | Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed Arrmoured Aluminium cable confirming to IS:1554 P-I / 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 etc. as required of following size. OEM must have it\"s own in house NABL accrediated Laboratory for testing procedure as per IS:10810.For additional technical parameters of product / work refer Annexure \"A\" attached with this BSR. 120.0 Sq. mm. 3.5 core |
| 33 | Above 95 sq. mm and upto 185 sq. mm fixed with 40 mm x 4 mm thick suitable length red oxide and enamel painted MS clamp and base, pvc rawl plug and screws of sufficient size with spacing 0.6 Mtr. Between Clamps. |
| 34 | 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.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . 3.5 x 120.0 sq.mm |
| 35 | 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, and Heavy duty weather proof poly-propylene earth pit chamber with lockable Jam free lid suitable for safe working load 5000 Kg or more of size Top Dia. 225 to 260 mm, Bottom Dia 300 to 350 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 & must record by engineer in-charge during site visit and ensure to enter in measurment book. All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . |
| 36 | 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 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.All as per pre approved by Engineer in-charge. For additional technical parameters of products/ work , refer Annexure \"A\" attached with this BSR . 20mm x 3mm G.I. ( Hot Dipped ) Strip |
| 37 | Supplying and drawing FR PVC insulated & unsheathed flexible copper conductor as per PWD specification for electrical Works with ISI marked (IS:694) and as per IS 8130 : 2013 of 1.1 kV grade . Wire should be made from 99.90 % purity copper, class 5 stranding in acc. to IS:8130/IEC 60228 for lower watt loss , oxygen free for less chances of oxidization, insulation PVC type A/C/D , flame retardant as per IS 10810-53, better amperage rating as per IS:3961 part 5, in existing surface or recessed PVC/ MS conduit/casing capping making connections with Copper Lugs of suitable size, Ferrules,testing etc. as required. OEM Must have its own in house NABL lab setup for all testing facilities for wires. For additional technical parameters of product / work refer Annexure \"A\" attached with this BSR |
| 38 | 1 x 2.5 sq.mm |
| 39 | 1 x 4.0 sq.mm |
| 40 | 1 x 6.0 sq.mm Please Enable Macros to View BoQ information |
