Power Department Tender

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Power Department Tender

Works

Civil And Construction

Civil Works Others

Consultancy Services

Civil And Architectural Services

Eprocure

East Sikkim, Sikkim

Opening Date4 Mar 2024

Closing Date13 Jun 2024

Tender Amount₹ 4,75,00,000

Notes

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Costs

EMD
₹ 70,00,000
Document Cost
₹ 25,000
Tender Fee
Refer Documents

Description

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Contact

Tender Id
2024_PDAT_734_1
Bid Award Id
View
Tender No
CE/HQ/ADB/Tender/Pkg1/SS/23-24
Tender Authority
Power Department View
Purchaser Address
-
Website
http://sikkimtender.gov.in

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BOQ Items

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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

Quantity11

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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

Quantity33

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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

Quantity11

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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

Quantity11

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LIGHTNING ARRESTOR: 60 kV Lightning arrestor, station type, complete with insulating base and surge monitors & connector terminals connection.

Quantity33

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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

Quantity11

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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

Quantity2750

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2 x 2.5 sq. mm

Quantity3300

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4 x 1.5 sq. mm

Quantity3300

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8 x 1.5 sq.mm

Quantity2750

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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

Quantity2200

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Heat shrinkable outdoor termination kit for 11 kV, XLPE/Al, screneed, armoured cable ; 3x 400 sqmm

Quantity11

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Heat shrinkable indoor termination kit for 11 kV, XLPE/Al, screneed, armoured cable ; 3x 400 sqmm

Quantity11

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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

Quantity11

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Transformer bay earthing system including Earth Mat as per approved design complying with IS : 3043

Quantity11

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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

Quantity11

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GI Support Structures for Circuit Breaker, Current Transformers (set), Lighting Arrestors (Set) and Isolators at Transformer Bay

Quantity11

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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

Quantity108000

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Automatic maintenance-free type dehydrating breather including moisture sensor, heating element, controller and all accessories with with silica gel

Quantity14

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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

Quantity13

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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

Quantity24

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Bus Coupler Panels

Quantity13

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Outgoing Feeder Panel

Quantity85

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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

Quantity3000

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3 x 240 sqmm

Quantity6000

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3 x 185 sqmm

Quantity17000

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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

Quantity24

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3 x 240 sqmm

Quantity85

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3 x 185 sqmm

Quantity126

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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

Quantity24

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3 x 240 sqmm

Quantity85

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3 x 185 sqmm

Quantity126

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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.

Quantity252

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G.I .channel 75X40X 4.8 mm X2.2 m long

Quantity756

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Back clamps of 50x50x6 mm x 300 mm length G.I Angle for holding channel

Quantity1512

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G.I nuts & bolts of 16mm dia.X 40mm length.

Quantity504

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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

Quantity126

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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

Quantity126

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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

Quantity378

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11 KV Polymeric Tension Insulator, 45 KN with Clamps, Nuts & Bolts and Tension Hardware

Quantity378

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11 KV Pin Insulator (Polymer) with G.I Pin & fittings as required

Quantity378

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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

Quantity252

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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

Quantity252

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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

Quantity378

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GI Clamps for fixing 11 kV Cables / HDPE Pipe on Channels with GI bolts and nuts

Quantity1008

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G.I. Barbed Wire for anti climbing device @ 2 kgs/pole

Quantity504

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11 kV Caution Board

Quantity252

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Red oxide paint @ 1.5 ltr/ pole (9 mtr)

Quantity378

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Aluminium paint @ 1.0 ltr / pole (9 mtr)

Quantity252

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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.

Quantity29

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Battery charger set having facility for both trickle and boost charging complete with necessary protection and other instruments 110V

Quantity29

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Fire fighting Equipments: PORTABLE FIRE EXTINGUISHERS conforming to IS 2190: 1992

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4.5 Kg DCP Type

Quantity87

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4.5 Kg CO2 Type

Quantity87

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22.5 Kg CO2 type

Quantity87

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12 Fire buckets with stand

Quantity29

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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.

Quantity7

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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

Quantity6

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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

Quantity13

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Power Department Tender