Power Department Tender
View complete overview of Sikkim Power Department Tender
Power Department Tender
Civil And Construction
Civil Works Others
Consultancy Services
Civil And Architectural Services
Eprocure
Opening Date4 Mar 2024
Closing Date13 Jun 2024
Tender Amount₹ 4,75,00,000
Costs
EMD
₹ 70,00,000Document Cost
₹ 25,000Tender Fee
Refer Documents
Description
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Contact
Tender Id
2024_PDAT_734_1Tender No
CE/HQ/ADB/Tender/Pkg1/SS/23-24Tender Authority
Power Department ViewPurchaser Address
-Website
http://sikkimtender.gov.in
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Documents
BOQ Items
CIRCUIT BREAKER : SF6, outdoor type, 72.5 KV, 800 A , 13.1 KA rated short circuit complete with operating mechanism and first filling of SF6 gas with GI supporting structure
11
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CURRENT TRANSFORMER: 72.5 KV, 13.1 kA, outdoor type, single Phase, 3 core current transformer having ratio 400-300-200/1 - 1-1 and of accuracy class and burden of 30 VA with first tilling of oil and complete with terminal connectors
33
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ISOLATOR with Earthing Blades : 72.5 kV, 800 amps rated current 12.5 kA short time rating, triple pole, gang operated outdoor type with motor operated mechanism, terminal connectors, earthing connector with earthing blades / switch
11
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ISOLATOR with out Earthing Blades : 72.5 kV, 800 amps rated current 12.5 kA short time rating, triple pole, gang operated outdoor type with motor operated mechanism, terminal connectors, earthing connector without earthing blades / switch
11
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LIGHTNING ARRESTOR: 60 kV Lightning arrestor, station type, complete with insulating base and surge monitors & connector terminals connection.
33
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CONTROL & RELAY PANEL : 66 kV simplex type control and relay panel for Transformer with static 3 O/C + E/F; trip circuit supervision, master trip relays, digital recording and indicating instruments, alarm; TTB, AC/DC failure indication; mimic, panel illumination etc. with solid state duo bias transformer differential relay and energy metering , SCADA compatible
11
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CONTROL CABLES: 1.1 kV grade heavy duty PVC insulated sheathed copper conductor armoured cable of size:
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12 x 1.5 sq. mm
2750
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2 x 2.5 sq. mm
3300
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4 x 1.5 sq. mm
3300
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8 x 1.5 sq.mm
2750
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POWER CABLE: 11 KV , Aluminium conductor, XLPE insulsted, Insulation semiconductering and copper tape screened, PVC sheathed (ST-2 pvc), galvanised steel strip armoured, PVC outer sheathed (ST-2 PVC) conferming to IS:7098, 3x 400 sqmm
2200
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Heat shrinkable outdoor termination kit for 11 kV, XLPE/Al, screneed, armoured cable ; 3x 400 sqmm
11
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Heat shrinkable indoor termination kit for 11 kV, XLPE/Al, screneed, armoured cable ; 3x 400 sqmm
11
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Transformer bay Switchyard Support Structures (MS Lattice Structures with B&N) complete with ACSR Wolf Conductor busbars, 66 kV Disc Insulator 70 KN with hardware fittings and Tension Clamps for Wolf , 66 KV Post Insulators with accessories and UPG Clamps for wolf and Painting Matarials for structures (Red oxide & Aluminium Paint), complete as per approved layout drawing
11
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Transformer bay earthing system including Earth Mat as per approved design complying with IS : 3043
11
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Lighting system for transformer bay including LED floodlighting 35W 6000K with waterproof fixture incl all accessories (08 Nos), 8 m Street Lighting G.I Poles, 2x6 sqmm 1000 V grade PVC/PVC copper cables, termination lungs, GI Conduits 20 mm and LT AC Panel for switchyard Lighting with light sensor / solenoid switch
11
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GI Support Structures for Circuit Breaker, Current Transformers (set), Lighting Arrestors (Set) and Isolators at Transformer Bay
11
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REVAMPING OF EXISTING 66/11 kV POWER TRANSFORMER (Capacity Upto 10 MVA)
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Transformer Oil 50KV grade Conforming to IS: 335/93
108000
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Automatic maintenance-free type dehydrating breather including moisture sensor, heating element, controller and all accessories with with silica gel
14
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Main oil tank and other gaskets , leak repair sealants, cleaning materials and necessary replacement devices including pressure relief valve, mercury switch and accessories for revamping power transformer
13
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11 kV SWITCHGEAR AND CABLES
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11 KV Switchgear Panel comprising 800 Amp indoor RT-DAS / SCADA compatible communication enabled VCB Panels with Vaccum Circuit Breaker (horizontal isolation and horizontal draw out type), motorized with spring charging operating mechanism, complete with CTs & PTs, protective relays, trip closing coils, NO+NC auxiliary contacts, anti pumping devices, mechanical counters and mechanical position indicator, control wiring, digital multifunction power meter, analog voltage and current measurement , indication lamps, class 0.5s Digital Energy Meter and all accessories for :
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Incomer Feeder Panel
24
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Bus Coupler Panels
13
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Outgoing Feeder Panel
85
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11 KV (E) Stranded compact circular aluminium conductor screened with extruded semiconductering compound, XLPE insulsted, Insulation screened with extruded semiconductering compound in combination with copper tape, cores laid up, PVC sheathed (ST-2 pvc), galvanised steel strip armoured, and overall PVC sheathed (ST-2 PVC) BLACK CABLE conferming to IS:7098 latest amendments;
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3 x 300 sqmm
3000
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3 x 240 sqmm
6000
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3 x 185 sqmm
17000
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Heat shrinkable Indoor type end termination kit for 11 KV (E) 3 Core XLPE cable including screen and armour earth kits, lugs and all accessories for cable size;
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3 x 300 sqmm
24
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3 x 240 sqmm
85
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3 x 185 sqmm
126
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Heat shrinkable outdoor type end termination kit for 11 KV (E) 3 Core XLPE cable including screen and armour earth kits, lugs and all accessories for cable size;
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3 x 300 sqmm
24
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3 x 240 sqmm
85
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3 x 185 sqmm
126
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11kV Tee-Off system (Feeder Termination Structues)
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9 m Long Steel Lattice Structure fabricated with 50 x 50 x 6 mm M.S. angles and 10 mm dia MS rods including bolts, nuts and washers as per specifications and drawing complete.
252
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G.I .channel 75X40X 4.8 mm X2.2 m long
756
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Back clamps of 50x50x6 mm x 300 mm length G.I Angle for holding channel
1512
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G.I nuts & bolts of 16mm dia.X 40mm length.
504
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11 KV, 3 Pole 400 A, Gang Operated Air Break Switch Unit, tilting type, three insulator per phase, complete with operating handle, all fittings confirming to IS:9920 & IS: 9921
126
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11 KV, 3 Pole, 400 A Drop Out Fuse Cutout Unit with fuse links rated as applicable complete with all accessories confirming to IS: 9385
126
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9 KV, 10 KA Single pole unit Metal Oxide Gapless Surge Arrestor with earth lead disconnector for 11 KV, 50 c/s solidly earthed neutral system confirming to IS:3070 (Part III) R
378
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11 KV Polymeric Tension Insulator, 45 KN with Clamps, Nuts & Bolts and Tension Hardware
378
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11 KV Pin Insulator (Polymer) with G.I Pin & fittings as required
378
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Earthing: 25 x 3 mm G.I. Flat x 10 m with perforated G.I. pipe of 19mm dia x 95 cm. and 38 mm dia x 250 cm combination with Reducer, Funnel and Cover Arrangement and Salt (80 Kgs) & Charcoal (3 bags) Combination for earth pit
252
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Guy Assembly complete with 7/10 SWG Stay Wire, 140x85 mm H.T Guy Insulator, 18mm diameter Stay Rod 1.8 mtrs Long with bow thimble, turn buckle & 300x300x6mm anchor plate
252
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110 mm dia HDPE pipe, PE-100 material grade, PN 10, SDR 17, wall thickness 6.6 mm for cable riser on terminal structure
378
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GI Clamps for fixing 11 kV Cables / HDPE Pipe on Channels with GI bolts and nuts
1008
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G.I. Barbed Wire for anti climbing device @ 2 kgs/pole
504
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11 kV Caution Board
252
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Red oxide paint @ 1.5 ltr/ pole (9 mtr)
378
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Aluminium paint @ 1.0 ltr / pole (9 mtr)
252
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SUB-STATION AUXILIARIES AND SITE WORKS
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Battery Bank : Dry type (VRLA) maint free battery packs of capacity 200 AH 55 nos x 2 volt with terminal voltage of 110 volt complete with all accessories as required.
29
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Battery charger set having facility for both trickle and boost charging complete with necessary protection and other instruments 110V
29
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Fire fighting Equipments: PORTABLE FIRE EXTINGUISHERS conforming to IS 2190: 1992
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4.5 Kg DCP Type
87
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4.5 Kg CO2 Type
87
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22.5 Kg CO2 type
87
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12 Fire buckets with stand
29
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ACDB: 415V ACDB totally enclosed metal clad type complete with copper bus bar, cable socket, 400A MCCB for incoming and required MCB of 32A DP, 64A FP for outgoing to 66KV & 11KV CR panels in control room.
7
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DCDB: 110V DCDB totally enclosed metal clad type complete with copper bus bar, cable socket, 200A MCCB for incoming and required MCB of 32A DP, 64A FP for outgoing to 66KV & 11KV CR panel in control
6
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Sub-Station Earthing materials including earth rods, strips, connectors, couplings for Inspection, testing and restoring exisitng earthing system for Incomer, Outgoing feeders bays , existing power transformers bays including all earthing connections to existing earthmat
13
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