Bharat Sanchar Nigam Limited Tender
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Costs
EMD
₹ 38,914Document Cost
₹ 590Tender Fee
Refer Documents
Summary
S I T C Of 1plus2 630amps 11kv Vacuum Circuit Breaker Vcb Ht Panel With Provision Of Standby Ht Service Cable For Existing 1x500 Plus 1x400 Kva Indoor Type Transformer Substation
Description
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Contact
Tender Id
2024_BSNL_213510_1Tender No
DNIT/CEE/JKD/RCH/2024-25/07Tender Authority
Bharat Sanchar Nigam Limited ViewPurchaser Address
-Website
http://https://www.bsnl.co.in/
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Documents
S I T C of 1plus2 630Amps 11KV Vacuum Circuit Breaker VCB HT panel with provision of standby HT service cable for existing 1x500 plus 1x400 KVA indoor type Transformer substation at main Telephone Exchange campus Ranchi.
BOQ Items
C ) C.T. ( for each VCB) :- Voltage class : 12 KV; Type : Cast Resign type, Dual Core, Dual Ratio, Burden : 15VA; Protection core : 5 P10, Metering Core accuracy Class : 1.0, Short time rating for 1 sec : 26.3 KA (Make M/s Kirloskar / Cromptom /BSNL approved make ) - 1 set
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D ) P.T. - Rated Voltage : Primary-- 11000 V/√3, Sec. 110V//√3; Type : Cast Resign, draw out type, 3 Ph, 3-limb complete with HV fuses / MCB , Burden: 100 VA per ph; Class of insulation : Class 'E', Accurancy Class : 1.0; Rated voltage factor : 1.2 continuous, 1.5 for 30 Secs. Drawout type. (Make M/s Kirloskar / cromptom /BSNL approved make ) - 1 set
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E) Metering
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i ) Digital Voltmeter 0-15KV with necessary protection / fuse etc .
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i i ) Digital Ampere Meter 0-100Amps range for each VCB .
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F ) Relay for protection & Control for each VCB:- 1. Microprocessor base numerical relay with ( O/C + E/F - IDMT +Inst.) protection - three overcurrent and one earth fault relay with current setting range 50 % -200 % for over current and 10 % - 40 % for earth fault.
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i ). Electromechanical type Master Trip Relay: 110 V DC
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ii ). Electromechanical type transformer fault auxillary relay
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G) TRIPPING AND INDICATION SYSTEM for each VCB:
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i) R,Y,B Indicating lamp
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ii) Breaker On/Off indicator lamp
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iii) Auto Trip indicator
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iv) Spring Charged indicator
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v) Trip circuit healthy indicator
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vi) OC & EF Relay
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vii) Master Trip Relay
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viii) Energy Meter
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ix) Audio alarm sytem: electronic type
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x) Test, Accept & Reset push buttons
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xi) Space heater with thermostat - 02Nos.- 80W-230V AC
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xii) Breaker contro switch: PISTOL GRIP, Spring return neutral
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xiii) Local / remote switch : Lockable type
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xiv) Anti Pumping Relay
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xv) Aux.plug & socket-10A and panel illumination lamp
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xvi) MCBs for AC & DC supply and spring charging motor
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H) POWER PACK : 48V / 110V output suitable for closing /tripping/indication of H.T VCB panel.
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Dismentling of existing faulty life expired , obsolete (2+1) OCB HT Panel and shifting it to the panel to nearby another location (Adjuscent room) with in the building premises and making good all the damages i/c minor civil work as per direction of engineer-in - charge etc as reqd.
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Supplying of 11 KV grade HT cable of six\ze 3x95 sq.mm alumn. Conductor steel armoured PVC insulated & PVC sheathed / XLPE power cable etc complete as reqd. ( ISI approved make).
120
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Laying of 1 no. PVC insulated & PVC sheathed /XLPE power cable of grade 11 KV grade direct in ground i/c excavation, Sand cushioning, protective covering and refilling the trench etc as reqd.
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a) upto 120 sq.mm
80
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Laying of 1 no. PVC insulated & PVC sheathed /XLPE power cable of grade exceeding 11 KV in the existing RCC/HUME/ STONEWARE/ METAL pipe as reqd.
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a) upto 120 sq.mm
20
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Laying of 1 no. PVC insulated & PVC sheathed /XLPE power cable of 11 KV grade in the existing masanory open duct as reqd.
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a) upto 120 sq.mm
20
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Supplying and making Indoor cable end termination with heat shrinkable jointing kit complete with all accessories i/c lugs suitable for following size of 3 core XLPE alumn. conductor cable of 11 KV grade as reqd.
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a) 95 Sq.mm
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Supplying and making Outdoor cable end termination with heat shrinkable jointing kit complete with all accessories i/c lugs suitable for following size of 3 core, XLPE alumn. conductor cable of 11 KV grade as reqd.
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a) 95 Sq.mm
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Supplying and fixing light class G.I pipe of 80mm dia (nominal) 3meter length along the pole for protection of underground cable as required .
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Pdg. & fixing of HT danger plat notice of 250 mmx 200 mm made of mild steel, at least 2 mm thick and vitreous enamelled white on both sides and with inscription in single red color on fronts side as reqd.
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Earthing with G.l. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.
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Providing and fixing 25 mm X 5 mm G.l. strip on surface or in recess for connections etc. as required
50
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Providing and fixing 25 mm X 5 mm G.l. strip in 40 mm dia G.l. pipe from earth electrode including connection with G.l. nut, bolt, spring, washer excavation and re-fillinq etc. as required
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P/F 11 KV triple pole 3 post type gang operated Air Break switch, complete with fixing angles and 25mm dia 3 mtr. long operating G.I. pipe, lock and handle on the existing two pole structure i/c drilling etc. after dismentalling the existing damage ACB gang operated type i.e. opening the GI pipe, lock & handle etc complete as required. (Vertical type).
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Total amount without GST
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Total GST amt (Sum of GST of each item as per applicable GST rate i.e. 18% ,28%)
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(i/c GST)
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