Public Works Department Tender
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Public Works Department - PWD Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date25 Jan 2025
Closing DateCancelled
Tender AmountRefer Documents
Costs
EMD
₹ 9,998Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Setting Up Of 2nd Campus Of Nbu Balance Work At Administrative Building G3 Storied Presently Only Ground Floor In The 2nd Campus Of Nbu At Jalpaiguri,replacement Of Damage Ug Cable Along With Ei Work At North Bengal University 2nd Campus,jalpaiguri
Description
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Contact
Tender Id
2025_WBPWD_804656_1Tender No
WBPWD/AE/JESD/NIQ 13e/Q of 2024-25Tender Authority
Public Works Department ViewPurchaser Address
-Website
http://wbtenders.gov.in
GEM & Bid Advisory Services
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BOQ Items
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Bus bar section :
415 V, 415 Amp capacity 99.9% – 99.5% electrolytic tinned 4 bar copper bus bar mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification- 1 set.
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The busbar is to be rigidly supported on suitable non-hygroscopic insulating materials of robust ration to with stand electromechanical stress in the event of earth fault. All connection to bus to made by suitable nuts & bolts. The busbar is too wrapped with coloured PVC (Red. Yellow, Blue & Black) for colour identifications.
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Outgoing Arrangement :
a) 415V 250 Amps TPN SFU units with HRC fuses (Make:- L&T/SIEMENS/ABB/ SCHNEIDER) in open execution.---- 4 No. (3 nos for each acadamic building & 1 no spare)
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(b) E.I. Danger Board of suitable size ------- 1 no.
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Metering Panel:-
a)Digital multifunction meter with selector push button switch (up/down) with Voltage, Current, Frequency, Total Harmonic Distortion, PF, KW, KVA, Kwh, KVAh and Preloaded Max & Min Demand with Date & Time Stamping display (Make-Schneider Electric/ Cat No- EM6400NG Class accuracy CIo.5S, POP of Accuracy Class 0.5S or equivalent model of Legrand/ Siemens/ L&T) - 1 No.
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b) Indicating LED Lamp with colour glasses showing (Red/Yellow/Blue/Amber) (Siemens cat.no 3SB5285-6HC03, 3SB5285-6HD03, 3SB5285-6HF03 or equivalent cat of L&T/ABB/ SCHNEIDER) - 1 set.
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c) 500/5 Amp ratio C.T (Kappa or equivalent) --- 3 nos.
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d)S & F 2 Amp SPMCB for auxiliary supply to meters (Make- SIEMENS/L&T/Legrand) - 1 no.
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Interconnection :-
All interconnection between incoming main to Busbar are to be made with suitable size electrolytic tinned copper bars or equivalent flexible pvc insulated multistranded single core Cu cable and the same between busbar to each outgoing mains and & for metering arrangements are to be made by suitable size of Copper with proper socketing of the end of each wire leads.
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Earthing Arrangement :-
A separate continuous aluminum earth busbar of appropriate size is to be painted at the inside bottom of the panel and run across the full load of the Feeder Pillar Box. All electrical equipment are to be properly earthed with suitable size G.I. strip.
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The complete Feeder Pillar Box is to be spray painted after required surface treatment by 7 tanks process / sand blasting with 2 coat of red oxide primer & 2 coat of finished paint over dried or powder coating.
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Installation :-
The complete feeder pillar box board is to be installed on suitable brick padestal as directed by the E.I.C.
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Excavation of soil for installation of Earth Electrode and filling & ramming. (For Soft Soil) [1(a)/G-1]
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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 [2(e)/G-1] (For Feeder Pillar Box)
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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. [3(a)/G-2]
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Extra treatment of soil by using salt & charcoal for pipe electrode as to G.S. [3(b)/G-2]
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Connecting the equipments body to earth busbar incl. S & F 50 mm x 6 mm Galvanized (Hot Dip) MS flat on wall/floor with GI saddle as required and connection to equipments with incl. drilling holes, bolts, nuts,washers etc. [5(e)/G-3]
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SUB-HEAD 2--Supplying & Laying of Cable
Supply of 4 Core XLPE Insulated & Sheathed Armoured stranded Aluminium Conductor cables for Working Voltage up to 1100 Volts of following sizes [Make Polycab / RR /KEI/ Havells/ Gloster as approved by E.I.C] [NS]
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4 core 240 Sq. mm (From DG to Feeder Pillar Box)
100
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Laying of one No. cable above 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed [1(c)/ F-2] ( For 4 core 240 Sq. mm cable)
100
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Supplying & fixing medium gauge GI Pipe ( ISI-Medium) Protection with necessary fittings and jointing metarials as required [11/ F-6]
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80 mm dia
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Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below : [7/F-4]
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4 core 240 Sq. mm
2
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4 core 185 Sq. mm
2
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Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials :[8(b)/F-5]
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4 core 240 Sq. mm
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4 core 185 Sq. mm
2
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