WBPWD/EE/BED/70/e-IT of 2018_19

Amount

Supply and delivery of 1no. 11/0.415 KV, 50 HZ, 250KVA indoor type ONAN cooling Transformer contouring to IS 1180 having the following specification: (Make: Cromptom-Greaves/Areva/ABB/Kirloskar) a) Phase & frequesncy: 3 phase & 50 Hz b) No-load line pressure: 11KV/0.433KV c) Connection: HT/LT---Delta/Star d) Vector group: DYN 11 e) Neautral Lead:Brought out on LV side. f)Temperature rise of top oil/winding (degree C): 40/45 Over an ambient of 50 deg C. g) Tap range, Number of steps, Step size & Location:+5% to -10% in step of 2.5%, 6 steps of 7 Position on HV. h)Insulation Level HV/LV(in KV): LI 75 AC 28/ AC 3 i) Terminal arrangement: H.T side---3 core cable end box and LT side--3.5 Core cable end box. Standard fittings as given below shall be provided: Diagram and rating plate, lifting lugs, Two earthing terminals on either side of the tank, Four bi-directional rollers on the undercarriage for movement. Winding temperature indicatore with alarm contacts for alrm and trip circuit. Externally operated tapping switch with position indicator and lock arrangement. Terminal marking plate. Jacking luge. HV cable box for 3C XLPE cable. LV cable box for reception XLPE armoured cable. LV neautral Bushings comply with IS 2099-1973. Tapping on HT side: +/-2.5% & +/-5%, Tap changing equipements shall be capable of carrying the same overcurrent due to short ckt. as the winding. Neatral terminal of winding with star connection shall be designed fot highest over current that can flow through this terminal. Tests: a) All routine tests as per IS 2026 shall be conducted. B)Impuls withstand test certificate from the recognised Institute must be privided c) Temperature rise test to be carried out. D) Partial Discharge measurement/acostic level/short ckt test to be made.

Supplying, carrying, handling, cutting, testing, sealing end & laying of 3 core 300 sq. mm. 11 KV grade (HT) XLPE (E) cable with aluminium conductor through masonary trench from switch gear to transformer including mending good the damages to original finish(supply provider gear to receiving gear and from there to transformers)

Making termination of HT cable of 11KV grade 3 core 185 sq.mm. XLPE (E) incl.supply of necy. jointing materials (Heat shrink cable jointing kit of approved make) at switch gear & transformer terminations on H.T. sides incl. testing as per G.S.

APFC PANEL: Supply and installation of 70 KVAR APFC panel, floor/wall mounted front operated totally enclosed vermin proof, indoor non-drawoutcubicle type power panel fabricated out of 2mm thk CRCA sheet having gasketed hinged cover on each cubicle fully powder coated with following acessories. A. 1No. 160 A,TP, MCCB as incomer. B. 1 nos. of 100A 3P contactor & 2 no. 50A 3P contactor. C. 2 nos. 40A MCB & 2 no. 25A MCB. D. 3 nos. 15KVAR, 1 no. 2KVAR, 1 no. 4KVAR, 1 no. 8KVAR & 1no. 10 KVAR. E. Suitable bus bar for connecting the contactors and MCB's, Capacitors. F. 1 no. 8 step APFC relay suitable for above arrangement as per consultant. G. ON/OFF/TRIP push button for each capacitor. H. ON/OFF/TRIP indication lamp for each capacitor. I. 1 Set, RYB, indicating lamps with resistors and MCBs for incomer.

SITC of Battery bank having DC system Voltage of 110V consisting of 55 Nos 2.1 Volt 125 AH Lead Acid storage alongwith terminal connectors, wooden rack, rails and other accssories as required.

SITC of 110 Volt, 20.5A auto/manual float cum boost charger for charging above battery bank complete with connectors, cables and other accssories with DC DB (1 I/C 63A, O/G-8 Nos 16A)

Supply, carrying, handling, cutting, testing, sealing and laying of 3 Run 3.5 Core 300 Sq mm XLPE Al Ar cable througe messonary trench from 200 KVA transformer to LT Panel . as to GS

Supply & laying 1.1 KV grade 3.5 core 25 Sq mm Al Ar. Cable required for connecting the battery bank with the 63A TPN SFU & Necy Inter connection.

Supply & laying 1.1 KV grade 2 core 10 Sq mm Cu Ar. Cable required for connecting the battery bank with the bttery & Necy Inter connection.

Supply & laying 1.1 KV grade 4 core 16 Sq mm Al Ar. Cable required for connecting the AC DB to Lighting DB and HT & LT panel & Necy Inter connection.

Supply & laying 1.1 KV grade 12 core 2.5 Sq mm Cu Ar. Cable required for connecting the AC DB with the Transformer to HT Panel Necy Inter connection.

Supply & fixing of cable gland, Lugs etc.

Earthing with 80 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 No. 65 mm x 8 mm galvanized (Hot Dip) steel strip (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including finishing both ends by making holes etc. and S & F 80 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts.including interconnection with G.I strips of approapraite size in the sub-station

Extra treatment of soil by using salt & charcoal for pipe electrode as to G.S.

S & F of earth busbar of Galv. (Hot-dip) MS flat of 65mm X 8mm on wall having clearance of 6mm from wall incl. providing drilled holes on the busbar complete with GI bolts,nuts, washers, spacing insulators etc as reqd.

S & F GI strip with 65 X8 with PVC sleeve

S & F GI strip with 50 X 6 with PVC sleeve

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

Supply & fixing earth busbar of galvanised (hot dip) MS flat 50 X 6 mm on wall having cearence of 6 mm from wall incl providing drilled holes on the bus bar complete with GI bolts, nuts,washers spacing insulators etc as required

Insulating the 65X8mm GI flat including S&F black heat shrink PVC sleeves etc by skilled technicians without damagaging the PVC sleeves as per direction of EIC

Supply & laying 2X120 Sq mm single core multi strand XLPE insulated unarmoured Cu cable for earth electrode to earth busbar and earth busbar to transformer nutral

Finishing end of 120 sq mm single core cables

Supply & fixing 65 mm dia GI pipe for protection of Unarmoured Al cable.

Supply & Fixing Powder type fire extinguisher 4 Kg each on wall (Make: Fire Shield/ Similar)

S & F 9 liter capacity fire bucket on wall with necy. M.S. bracket incl. mending good the damages.

S & F best quality FIRST AID BOX (Al. body) as per PWD specification, complete with all the items as required by rule of sub-station on MS bracket incl. damages to original finish.

S & F 'shock treatment chart' in 3 regional languages on wall with necessary screws.

S & F 11 / 6 KV grade rubber hand gloves.

Making testing arrangement and submitting the test report for high voltage testing of specified voltage incl. checking and testing of 11KV HT single Panel consisting of 1 Nos VCB Gear, 03 Nos CT, 03 Nos relay and 1 No PT and commissioning the same separately to ensure power supply continuously.

L.W.C. must be quoted manually @1% on the total quoted value else the total quoted rate shall be treated incl. LWC as per rule. N.B. Rate should be quoted inclusive of GST.

RELIABLE CONSTRUCTION

M/S N. C. HORE

T.D.K. ENTERPRISE

JADOB ELECTRIC CO.