Tender For Electrical Works Of Sps & Sps Lab In Block-B At Iop, Bhubaneswar; 1 M.V. PVCA/XLPA CABLES: Supply, installation testing & commissioning of 1.1KV grade PVC/XLPE insulated, inner sheath tapped, outer sheath PVC extruded, GI strip/armored, multi stranded/ Aluminum conductor power cable as per IS 1554 specifications, FRLS grade anti-rodent and anti-termite PVC (ST-2) outer sheathed cable, in ground at a depth of 900mm below ground level, sand bedding, laying of baked bricks on side and top, temporary reinstatement, back filling, dewatering, consolidation, disposal of excess earth within the radius of 500m and making good to the original finish etc. orfixed on wall/column/slab/in existing GI Cable trays/hume pipes/ trenches by 5mm thick GI spacer fixed/coach screws/anchor fasteners in brick/stone wall /column/slab with 2mm thick GI saddle, all fixing accessories etc. complete including painting of saddle /flat/angle iron etc. The space between two supports shall be generally 600mm Etc. all as per the instructions of Engineer-in-charge-IOP.The tinned copper earth wires to be laid along with the cables should be painted with two coats of black bituminous compound for earth wire in ground & Jointing of the earth wire shall be solder joints with tinned copper cable sockets & GI nuts & bolts.Note: Scope includes all types of masonry work required making good to its original finish of holes through wall, slopes etc. after laying of the cable. Make of cables: Finolex/Polycab/CCI or approved equivalent of the same. 2 01 no x 3 ½ core x 185 Sqmm Al. PVCA/XLPE cable and 01 nos. of 8 SWG tinned copper earth wire. (From Block-B main panel room to UPS Incoming Panel)Holes in tiles provided on the walls is to be made of suitable size to draw the cables inside the Lab using the cutting machine and without damaging the tiles and aesthetic look of the room should be protected. 3 01 no x 4 core x 25 Sqmm Al. PVCA/XLPE cable and 01 nos. of 8 SWG tinned copper earth wire. (From 120KVA UPS output DB to Furnace Room (03 run-45+45+45) +XRD Lab-35+ Chemical lab-55 + PL Lab30+ Tool room-10)Holes in tiles provided on the walls is to be made of suitable size to draw the cables inside the Lab using the cutting machine and without damaging the tiles and aesthetic look of the room should be protected. 4 DISTRIBUTION BOARDS: Supply, Installation, testing & commissioning of following medium voltage (415V) TP&N/ SP & N distribution boards single door complete with necessary SFU, MCCB, MCBs, etc. suitable for wall mounting with M.S. frame work of 40x40x5mm angle mounting with M.S. enclosure fabricated out of 16SWG thick M.S. CRCA sheet with concealed hinged door, cam type locking arrangement, dust and vermin proof with IP-42 protection, Front operated front access, all live parts shall be shrouded, all bus bars shall be insulated with heat shrinkable sleeves, SMC/DMC shrouds and Bus bar supports shall be used etc. Suitable tinned copper bus bars have to be provided for all phases, neutral and earth connections both for incoming and outgoing connections.Cable end box, wire way box, including interconnections with appropriate size of PVC insulated copper conductor, phase barriers, earth of DB, enameled danger board, name plate, neoprene gasket for joints & door has to be provided. Necessary metal treatment, two coats of red oxide paint & Powder coated with color shade of RAL 7032. A suitable Bakelite sheet with necessary cutouts for knobs/ operating levers of MCB’s/ MCCB/ SFU etc is to be provided duly fixed on to the cabinet with nuts and bolts/ screws. The front door (MS sheet) should have the name of the DB in anodized aluminum plate. Phase distribution drawing etc. all as per drawings specifications etc. relevant IS & instruction of Engineer-in-charge (G.A. & fabrication drawing to be got approved before fabrication)Note: 1.MCB’s shall be minimum 10KA breaking capacity2. All tinned copper bus bars should be minimum of 200A rating or more than that as mentioned in the drawing.3. All SFU units should have to be provided with HRC fuses4. Make of SFU: L & T, Siemens, or approved equivalent of the same & make of MCB: Legrand or approved equivalent of the same.5. All feeders including the Incoming are to be provided with proper nomenclature in anodized Aluminium plates near the MCB, output terminals & on DB as per requirement/ as per instruction of EIC.6. All terminals inside the DB has to be provided with suitable copper lugs/sockets for connection.7. For the feeders above 125A rating output connection is to be made directly from the Bus bars and the output bus bars has to be extended suitably to the cable bay box for connection of the output cables.8. Suitable Copper Tinned Bus-bar has to be provided for the running earth in each DB.9. The DBs are to be fabricated in electrical panel fabrication shop approved by Institute of Physics. The DBs will be inspected by our EIC in 3 stages and for which it has to be informed accordingly. 5 Main Incoming DB (Located in UPS room). a) 250A TPN SFU for In-comer -01no.b) 200A TPN SFU for outgoing (120KVA UPS) -01noc) 100A TPN SFU for outgoing (Spare) – 01 no.d) 32A TPN MCB for outgoing (4TR cassette AC units) – 03 nos. e) 63A TPN MCB for outgoing (Spare) – 01 no.f) 32A DP MCB for (Tool room Sockets) – 01 no.a) 32A DP MCB for (Spare) – 01 no.b) 0-500V Voltmeter with 3 way & off selector Switch and HRC Fuse carrier with fuse – 01 setc) RYB LED type indicating lamps with HRC fuse protection – 01 set 6 120KVA UPS Output DB (Located in front of UPS Room): a) 200A TPN SFU with 160A Fuse for In-comer -01no.b) 125A TPN SFU for output (SPS).c) 125A TPN SFU with 100A Fuse for output (Furnace Room).d) 63A TPN SFU (Furnace Room +XRD Lab+ Chemical lab + PL Lab) – 04 nos. e) 32A TPN SFU (Tool room) – 01 nos.f) 32A DP MCB (SPS Room-02 + Tool Room-02) – 04 nos.g) 16A DP MCB (Scholar Room) – 01 no.h) 32A DP MCB for (spare) – 01 no. 7 Furnace Room UPS DB (Located in Furnace Room)a) 125A TPN SFU with 100A fuse for In-comer -01no.b) 63A DP MCB (10KW Furnace) – 01 no.c) 25A DP MCB (04KW Furnace) – 03 nos.a) 20A DP MCB (03x15A Socket) – 01no.b) 16A DP MCB (02KW Furnace) -01 no.c) 32A DP MCB (Spare) – 01 no. 8 Incoming TPN SFU (Located in Block-B main panel room) The panel will be wall mounting type and will contain the following items:1. 250A TPN SFU with Fuse – 01 nos.Note:There should be sufficient length of Copper Bus Bar and end termination space for connection of the followingcables: Incomer-1 - 1x 185Sqmm XLPE, Armored, 3 ½ Core cables (From Block-B main Panel room i.e. Normal supply) Outgoing–1 - 1x 185Sqmm XLPE, Armored, 3 ½ Core cables (To Normal DB SPS Lab) 9 END TERMINATION OF ARMOURED CABLES:End termination and connection of the following cables by crimping with supply of all jointing materials like tinned copper cable sockets, cable glands, gland earthing insulation tape, flux, duplicate interconnection between gland earthing strip and the nearest earthing bus terminals as per the drawing, specifications, Aluminum cable tag is to be provided with each end termination and all as per the instruction of the Engineer in charge. Make of lugs/sockets: Dowels/Jainson 10 3 ½ core x 185 Sqmm Al. PVCA /XLPE cable 11 04 Core x 25SqmmAl. PVCA /XLPE cable 12 FLEXIBLE CABLES/WIRES:Supply, installation, testing and commissioning of 1100V FRLS grade, ISI marked, PVC insulated multi stranded copper conductor (flexible) wires/cables. The wires/cables will be laid and fixed on the wall with suitable GI clamps (04 runs in one bunch)/ connected as per the instruction of the EIC.Note: Scope includes supply and to provide the binding tags wherever it is required to bind together more than one wires/cables being laid in the same line and supply, crimping of 70Sqmm Ring type copper socket (16nos.), connection of the same to the required terminal.Make: Preferably Polycab/ Finolex or approved equivalent of the same. 13 70 Sqmm x Single core FR, PVC insulated copper conductor flexible wire 14 Wiring in PVC Casing & Capping:Supply Installation, testing & commissioning of 1100V FRLS grade PVC insulated multi stranded copper conductor wires in suitable PVC casing & capping with double interlock, meeting with IB/IS specification. Arrangements to be made for holding the wires in position in trunk, on (Aluminum Plate running on wall of plywood partition)/Plywood partition/ceiling/ concrete or brick wall with counter sunk tinned brass wood screw fixed with nylon plug etc. complete with all accessories like right angle bend, outer inner bend, T-stopper, PVC clamps (preferable) suitable pull boxes/ junction boxes of suitable size as per the site condition wherever required & with necessary leads at both ends by approved copper lug, complete as per the instructions of Engineer-in charge.Note:1. Connection shall be done with crimped type tinned copper lugs and washers.2. Casing & Capping should be white & make: Precision/Hensel/Asian & circle IS 14927 marked or approved equivalent of the same.3. All PVC insulated copper conductor FRLS grade shall be ISI marked.4. Make of wires: Finolex/ Polycab or approved equivalent of the same.5. It may be required to draw multiple wires in single PVC casing capping as per requirement. 15 03 nos. of 10 Sqmm wire in PVC casing & capping. 16 03 nos. of 04Sqmm wire in PVC casing & capping. (SPS Room-160+Tool Room-49+Scholar Room-15+Furnace Lab-62+XRD-20+Chemical Lab-25+PL Lab-100) 17 EARTH STATION:Supply, installation, testing & commissioning of tinned copper plate electrode earth station, 2.5 mtr. below ground level conforming to latest IS specifications complete with all required materials like coke/charcoal, salt, brass, nut bolts & washers, watering arrangements (GI funnel), G.I. pipe-25mm (B class), Brick, masonry chamber with PCC base, heavy duty cast iron cover plates (300x300mm) and excavation in all types of soil in ground, refilling and removal of excess earth within a radius of 500mtr etc. as per instruction of EIC-IOP, drawing & specification.Note:1. Measurement of resistance of earth station and resistance of complete scheme of earthing shall be measured, recorded & got approved by EIC-IOP. 2. The copper plate should be of electrolytic grade.3. Two nos. of 25 x 6 mm tinned copper flat is to be bolted to the earth plate and to be brought up to the top of pit. 18 600 x 600 x 3.15 mm tinned copper plate electrode earth station 19 EARTHING CONNECTION:Supply, laying/fixing, testing & commissioning of tinned copper earth wire fixed to wall side of trench/slab/column/beam/shaft with thick GI spacers and GI saddles or in ground at 750mm below including excavation in ground with protective baked bricks, excavation in ground refilling and back filling of trench, interconnection of earth wire /strip with GI nut bolts and washers and solder jointing, painting with two coats of black bituminous compound for earth wire/strip in ground as per the specifications and as per the instruction of Engineer-in-charge. Jointing of the earth wire shall be solder joints with tinned copper cable sockets 20 25 x 6 mm tinned copper strip to be laid in ground 21 25 x 6 mm tinned copper strip to be fixed on wall.(Scope includes supply and fixing of the suitable insulator for fixing the copper earth strip on concrete/ brick/ stone wall one at a span of 0.5mtr.). 22 MCB BOX: Fabrication, supply, installation, Testing and commissioning on concrete/brick wall of local control MCB box/Enclosure made out of 16 SWG thick galvanized MS sheet with top cover also galvanized MS sheet duly fixed by SS screws. Necessary cut outs to be provided on the top cover for the operating lever of the MCB and suitable size gland holes at two ends has to be made for the MS conduits/ PVCA/XLPE Cables. Readymade Legrand or approved equivalent make MCB enclosure box also can be provided. MCB shall be minimum of 10 KA breaking capacity. All complete as per the instructions of Engineer-in-charge.Note: All MCB should be of Legrand or approved equivalent make. 23 MCB Enclosure with TPN MCB of 63A rating 24 MCB Enclosure with TPN MCB of 32A rating 25 MCB box with DP MCB of 63A rating 26 MCB box with DP MCB of 25A rating 27 MCB box with DP MCB of 16A rating 28 OUTLET SWITCH & SOCKET BOXES: Fabrication, supply, installation, Testing and commissioning on concrete/brick wall/ plywood partition of outlet switch boards made out of 16 SWG thick galvanized MS sheet with top cover 3mm thick Bakelite Hylam laminated sheet duly fixed by SS screws. Necessary wiring inside the board has to be carried out using 04Sqmm copper PVC insulated single core flexible wire. One suitable nut and bolt has to be provided on the side wall of the board for earth connection. All complete as per the instructions of Engineer-in-charge.Note: 1. All switches, sockets & Plug Top should be of Anchor make or approved equivalent.2. All wires to be used should be of Finolex/ L&T make.3. All MCB to be provided should be of Legrand make.3. All terminals of the wires to be connected inside the board should be provided with suitable copper lugs/ sockets.4. Sample of all materials is to be got approved from EIC, IOP before execution. 29 Switch & Socket box with 03no.s of 5 Amp, 250Volt, 5pin socket & 03 nos. of 6Amp Switch. 30 Switch & Socket box with 04no.s of 15 Amp, 250Volt, 06pin socket & 04 nos. of 15Amp Switch. 31 Supply, Installation, Testing & Commissioning of TPN MCB- 32A in the existing Distribution Board.
