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| 1 | Providing & Laying P.V.C. / XLPE insulated & P.V.C. sheathed ArrmouredAluminiumcable confirming to IS:1554 P-I / IS :7098 P - I of 1.1 KV withH4- Grade electrolyticaluminium conductor confirming to IS 8130 of purity >99.6 %, round / flat strip armouring of cables, Inner / outer sheath confirming to IS:5831in existing RCC / Hume / Stoneware / PVC pipe/ open duct/cable trench / Cable tray(with cable tie) includingtesting 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 |
| 2 | 25 Sq.mm. 3.5 Core |
| 3 | 35 Sq.mm. 3.5 Core |
| 4 | 50 Sq. mm 3.5 Core |
| 5 | Providing & Fixing ofAC operated heavy duty 230 /440 Volt power contactor as per PWD specification for electrical Works, ISI marked IS/IEC 60947-4-1 : 2000 having provision of mechanical interlocking, auxilary contacts, Din rail mounting type 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 . |
| 6 | 3 pole Power contactorswith following AC 3 Rating 32 Amp. |
| 7 | Providing & Fixing of mechanical / digital time switch having following day / week programme and minimum 100 hours reserve and AC1 rating of 16-20 amperes including making connection, programming conforming to IEC 60730-1 and 60730-2-7 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 . |
| 8 | One day & week reserve (digital type ) |
| 9 | Providing & Fixing ofAC operated heavy duty 230 /440 Volt power contactor as per PWD specification for electrical Works, ISI marked IS/IEC 60947-4-1 : 2000 having provision of mechanical interlocking, auxilary contacts, Din rail mounting type 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 . 4 pole Power contactorswith following AC 1 Rating |
| 10 | 63 Amp |
| 11 | SITC of3 /4pole current limiting Moulded case circuit breaker (MCCB) made of flame retardent & heat resistant materialhaving following current rating, short circuitbreaking capacityat 440/415 V, 50 Hz; O/L & S/C settings , conforming to IS/IEC 60947 P -2 :2003 with frontface 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 voltage690 V.provision for UVR , shunt trip , earth fault trip, door interlock, pad lock & rotary handle , including making connectionsetc. as required.OEM shall have submitNABL / 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 |
| 12 | 4 pole MCCB With Thermal Magnetic release |
| 13 | up to 100 Amp , 10 kA, fixed O/L & fixed S/C setting |
| 14 | 160 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 15 | 250 Amp , 25 kA, adjustable O/L & adjustable S/C setting, |
| 16 | Supplyandinstallationofhigh tensile low carbon steel rod molecularly bonded with 99.9 % Copperthickness (250 microns) andconfirming toUL 467, IS/IEC 62561-2of following size and length and as per point mentioned (a), (b), [c), (d), (e) below :- |
| 17 | (a) Bore a hole of dia. 100 mm of required length, Place the rod in the centre of Hole |
| 18 | (b)filled with anti corrosiveconductivecompounds with the permanent sealings at both the ends, CPRI/ ERDAtested with RMS capacity of minimum 30 KA for withstanding 1 second .To ensure the moisture content and electrical conductivity, 25 kg for 2000 mm & 50 Kgs for 3000mm of resistance lowering earth enhancement material shall be used as a backfill compound. The compound shall be tested form NABL acredeated labfor lowresistivity ( less than 0.12 Ohm - meter ) & high conductivity in nature with carbon as a major contentas per referance of IS 3043-1987,IEEE 80-2013 (clause 14.5d) , IEEE 837 & IER 1956 with latest amendemnts |
| 19 | © Connect the rod with copper Strip/Conductor/Wire with suitable clamp made from tinned copper and SS 304 Bolt |
| 20 | (d) Place 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 Height250 to 300 mm. |
| 21 | (d)Testing of earth resistance for value of 5 ohms or lessas required & must record by engineer in charge during site visit and ensure to enter in measurment book. |
| 22 | (e) Test certificatesfor confirming above standards from OEM is mandatory. All as per pre approved by Engineer in charge.For additional technical parameters of products/ work, refer Annexure \"A\" attached with this BSR . |
| 23 | 17.2 mm thick and 3 Mtr. Long |
| 24 | Supply & Laying following size earth stripin horizontal or vertical run in surface by means of Earth strip DMC Insulatorincluding 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 . |
| 25 | 20mm x 3mm G.I. ( Hot Dipped) Strip |
| 26 | SITC of IP-42 and general construction confirming to IS:8623 : 1993, wall/ free standing floor mounted dust and vermin proof compartmentalisedcubical panel as specifications andOther parameters requiredas per point (a) ,(b), (c),(d), (e), (f), (g), (h) as below:- |
| 27 | (a)Thickness of CRCA sheet shallbe 2.0 mm,cable alley compartments having concealed hinged type doors with key type lock with / withoutdetachable extension type structure. Removable 3 mm. thick sheet steel gland plates with appropriate size of knockouts for cables shall be provided |
| 28 | (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 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. |
| 29 | [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 Switchgearis to be Paid Extra ) |
| 30 | (d)Wiring between components within switchgear and Incoming / outgoing cableshall 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. |
| 31 | (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. |
| 32 | (f)Floor mounted panel shall be mounted on Base frame of ISMCchannel size 100 x 50 x 5 mm( to be paid Extra ) |
| 33 | (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. |
| 34 | (h) only outer surface area on all sides shall be measured & panel to be fabricated only from CPRI approved fabricator only (CPRI Test certificates to 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 . |
| 35 | Supplying and fixing of Aluminium (IEC 60105 ISO 209-1,2) / Copper (IEC 60028) bus bar by means of SMC / DMC type insulatorwith 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 . |
| 36 | Electrolytic grade Aluminium bus bar 6010 grade |
| 37 | Providing & Fixing of IS: 13875 & IEC :61326 confirming LED Digital type(up to 500) V range Volt meter / Direct- Ammeter /CT oertated ammeter/ Frequency meter / KWH meter / Multi Function Meter / Power analyzer of class 1 accuracyas per IS : 1248 of size 96mm x 96 mm including making connection by PVC insulated copper conductor with PVC sleeves / channel 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 . |
| 38 | Three phase Ammeterwith Inbuilt Selector Switch |
| 39 | Three phase Voltmeter with Inbuilt Selector Switch |
