SITC of 5X7 TR HPAC Units, Split AC units and other Electrical works for Phase IX.2 Project at 4 G core GR site in Telephone Bhawan, Bhubaneswar. SH- HPAC PANEL AND ASSOCIATED WORKS.

Amount

Supply, installation, testing and commissioning of metal clad, floor mounted, free standing, totally enclosed, dust and vermin proof, cubicle type, indoor, M.V. distribution panel suitable for 3 phases, 4 wire, 500V, 50HZ AC made out of 1.6mm CRCA Sheet for Doors, side and rear panels, tops, internal elements & 2.0mm for load bearing members & 3mm sheet for gland plate comprising of the following electrical accessories, Bus bars, indicators and control fuses etc. with detachable gland plates at top & bottom for incoming and outgoing cable entries, lifting hooks, ventilation louvers at both sides, 4 pole stud connectors of suitable ratings, suitable size base channel of MS Channel /Angle iron i/c interconnections with suitable size copper/Aluminium strip/ multi strand PVC insulated FRLS flexible copper conductor cable , powder painting after seven tank process treatment, sign writing with suitable engraved white on black nameplates for all switch gears, Bus bars, Indicators & cable alleys etc., providing GI earth studs at both bottom sides of the panel & interconnection with 20mmX3mm copper strips running along the perimeter of the panel as per the approved drawing and direction of the Engineer in charge conforming to applicable standard etc. complete as required. (The panel shall be fabricated and assembled by the CPRI approved panel Manufacturer only. The drawing shall be got approved from the Engineer -in-charge before construction) (Item sl.nos. no.1.0,1.1,1.2,1.3,1.4,1.5,1.6 and 1.7 are comprising of 1 job)

INCOMER: 400 Amp, 415 V 4 Pole MCCB with thermal and magnetic release Conforms to IS/IEC 60947-2, with release range (320A -400A), Ics = 100% Icu, having breaking capacity not less than 36 KA (at 415V Ac 50Hz) including silver plated copper spreader terminals (a set of 8nos per MCCB), extended ROM, UV (240V AC) and shunt release (110/415V AC 50 Hz) , 1no. Auxiliary + Trip Alarm Contact (1 C/O + 1 C/O) : - 02 Nos (Two no. for Incomers ) (Make- L&T-DN3B-400D/ Schneider Electric / Siemens)

BUS COUPLER: 400 Amp, 415 V 4 Pole MCCB with thermal and magnetic release Conforms to IS/IEC 60947-2, with release range (320A -400A), Ics = 100% Icu, having breaking capacity not less than 36 KA (at 415V Ac 50Hz) including silver plated copper spreader terminals (a set of 8nos per MCCB), extended ROM, UV (240V AC) and shunt release (110/415V AC 50 Hz), 1no. Auxiliary + Trip Alarm Contact (1 C/O + 1 C/O) : - 01 No. (One no. for Bus Coupler) (Make- L&T-DN3B-400D/ Schneider Electric / Siemens)

OUTGOING: 63 Amp 4 Pole MCB as per IS/IEC 60898-1 2002, C- Curve with breaking capacity not less than 10 KA (at 415V AC 50Hz) with mounting DIN channels: - 10 Nos (Make- Legrand / L&T/ Schneider Electric / Siemens).

BUS BARS: 4 Strip solid aluminum bus bar of minimum 600 Amps Capacity having suitable size with fixing on support insulators, heat shrinkable PVC insulation tape, brass nuts, bolts and washers etc. complete as reqd. - 02 sets.

METERING :: LED display Multi-function Meter 96mmX96mm panel mounted type having Input : On site Programmable - Voltage - 100 - 600 VL-L, Current - 1/5A 3Ph 3W/4W Network Accuracy Class : 1 Parameters : VAF + kW + kVAr + kVA + kWh + kVArh + kVAh + PF + PA + MM + NC + THD (aux. supply 65...300V AC/DC) with RS485 modbus communication port with 3nos metering class cast resin CT's , inter connections etc. complete as reqd. ( Make - Rishabh-RISH MASTER-3430/L&T) - 02 Sets. (For 2nos Incomers).

INDICATIONS: RYB Phase Indicating LED lamps (22.5mm) - 2sets. (For 2no. Bus bars), On/Off/Trip indication LED lamp (22.5mm) -03 sets (for Incomers & Bus Coupler) and On indication LED lamp (16mm) - 10 nos (For Outgoings). (Make- ESBEE/SALZER/Vaishno/Siemens)

CONTROL WIRINGS AND INTERLOCKINGS: Two nos Incomers MCCBs and 1no. Bus Coupler MCCB are to be Electrically interlocked through Auxiliary contacts/Shunt/UV releases and Mechanically interlocked through panel door mounted keylocks. The control wiring is to be made with 1.5sqmm PVC insulated copper conductor cable with suitable control fuses. Suitable ratings MCBs for control circuits, Connector blocks with DIN channels and copper conductor single core cable for interconnection between the Shunt & UV release of the MCCBs, TAC cum Aux. contact and the connector blocks/controlling MCBs etc. are to be provided. All the control wires/cables are to be numbered with ferrules.

Supply of the following sizes XLPE insulated Aluminium conductor armoured cable 1100 V. grade confirming to IS : 7098 (Part-1) 1988 etc. as required. (Make- Polycab/Havells/Gloster/ISI)

3½ X 300sq.mm

Supply of the following sizes XLPE insulated Copper conductor armoured cable 1100 V. grade confirming to IS : 7098 (Part-1) 1988 etc. as required. (Make- Polycab/Havells/Gloster/ISI)

4 Core X 10 sq.mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required.

Above 185 sq. mm and up to 400 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.

Up to 35sqmm (clamped with 1mm thick saddle)

Above 185 sq. mm and up to 400 sq. mm (clamped with 40x3mm MS flat clamp)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing Duct/Air as required.

Up to 35sqmm

Above 185 sq. mm and up to 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on the Cable Trays as required.

Up to 35sqmm (Clamped with 1mm thick saddle)

Above 185 sq. mm and up to 400 sq. mm (clamped with 40x3mm MS flat clamp)

Supply and making MV cable end terminations with brass compression gland and copper / aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE copper/aluminium conductor cable of 1.1 KV grade as required.

4 X 10 sq. mm (25mm) Copper conductor armoured cable

3½ X 300 sq. mm (70mm) Aluminium conductor armoured cable

Supplying and installing following size of perforated Hot Dipped Galvanized Iron cable tray (galvanization thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors including bends, Tees, cross members and reducers suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required. (Make-MEM/Bharti/Ratan/Slotco/Profab)

100 mm width X 50 mm depth X 1.6 mm thickness

150 mm width X 50 mm depth X 1.6 mm thickness

200 mm width X 50 mm depth X 1.6 mm thickness

Supplying and fixing of following sizes medium class GI pipe On surface of wall/on pole with necessary clamping arrangement for LT cable for protection of LT power cable as required.

80mm dia

Providing and laying of following size Heavy Mechanical Stress (HMS), Fire retardant, corrosion free UPVC pipe along with accessories i.e bends, sockets/couplers etc. confirming to IS 9537 - Part 3, for uPVC conduits, IS 3419:1988 for uPVC fittings and saddles/clamps etc. for drainage of condensate water of AC units i/c laying/fixing, cutting, threading etc. complete as required. (make- Precision /Astral/ Ashrivad /Sudhakar/ Finolerx/ Supreme)

25mm dia

40mm dia

Supply and making of 1:3:6 cement concrete base for the MS structure of condenser unit of suitable size on roof / floor /ground, plastering etc. as required.

Providing / Fixing suitable MS frame work for installation of the condenser units of HPAC units with following MS members i/c cutting, welding, fabricating and painting etc as reqd.

75 mm x 40 mm x 5 mm thick MS channel

50 mm x 50 mm x 6mm MS angle

40 mm x 40 mm x 5mm MS angle

25 mm x 5 mm MS Flat

10mm thick MS base plate i/c providing anchor fasteners for fixing i/c drilling holes, painting etc as reqd.

Supply and fixing 25 mm x 5 mm G.I. strip on surface or in recess for connections etc. as required.

Supplying and laying of 10sqmm FRLS PVC insulated copper conductor single core flexible cable in the existing conduit/on existing cable tray/along with cables for loop eathing including socketing with copper lugs, connection with existing earthing strips/panels/metal enclosures etc. as required.

Supply and Fixing of 400 Amps 415Volt AC-23A 4 Pole Change Over switch in Sheet Steel enclosure (conforms to IEC 60947-3 , IS/IEC 60947-3) with terminal shrouds, source separators and phase barriers, staggered terminals and extended operating handle suitable for terminations of cables without separate cable end boxes including minor civil works, connection, testing etc. as required.

M/S PRACHI ELECTRICALS