Tripura State Electricity Corporation Limited Tender

Design, Engineering, Supply of 11 KV, 1200 Amp continious rated current, 350 MVA rupturring capacity, Indoor Vaccum Circuit breaker, ( for out going feeder) complete with 1 set of C. T of Ratio: 200/1-1A,control l and Relay Panel Simplex type with 110 Volt D.C actuated electrical closing/tripping mechanism with internal wiring 2 - Overcurrent & 1 - earth fault combine Micom digital relay, Master trip relay, Auxilliary relays, 3- ammeter, 1 - Volt Meter, 1 no L&T / SECURE make "Tri-Vector" meter (SCADA Compatible) , 1-C.T. operated static KW meter with panel bus mounted CT and integral earthing facility including internal arc tested panel confirming to relevent ISS/IEC as required including standared indication facilities as per requirement and with a provision to connect with existing l 11KV bus with necessary power & control cable as deatiled here in after.including supply of 1(one) VCB trolly as spare tec as required.

Design,Engineering supply testing and commissioning of 11 KV Adaptor panel of 1250 Amp continuous rated current confirming to relevent ISS/TEC as required including standared indication facilitirs as perrequiment with supply of necessary allied materials and control cable tec as required.

Supply of 4 way (1 incoming and 3 out goining feeder0 H.T KIOSK/11 KV Outdoor type feeder pillar made of 10 SWG MS Sheet complete with aluminium busbar,HT insulator etc as required provided with locking system and painting to be fitted on structure of MS Angle(50 X 50 X6 mm) and MS flat (40X6 mm) including supply of MS Angle and Flat as required and cocreting of ration 1:2:4 with excavation of earth centering shuttering & disposal of excess soil.

Supply of 2.5 mtr long 40mm dia G.I pipe(Make:- TATA/ JINDAL)

Supply of 60 Kg Salt & 55 KG Charcoal(For 1 Pit)

Supply of M.SNuts & Bolts i/c Washer of assorted size ISI Marked machine made.

Supply of Out door type Cable end joints suitable for 3 core, 6.35/11 KV, 120 sqmm² XLPE.

Supply of Indoor Heat shrink type End termination kit suitable for XLPE insulated cable of grade 6.35/11 KV, 120 sqmm² XLPE size.

(ERECTION)

Detailed Survey of route alignment with covering of existing DT sub-station, H.T & LT line, submission of route alimgment, profile and final survey with profile in details including installation of H.T & L.T KIOSK, D.T sub-Stn, road crossing, river, nala crossing, water supply pipe line, SCADA OFC cable, P&T line etc (for H.T /LT UG cable line).

Excavation of Cable Entry pit and Laying and Commissioning of 3-phase 6.35/11 KV, 120 sqmm² XLPE insulated Aluminium power cable direct below earth the road surface through HDPE PIPE by all terrain horizontal directional drilling / digging MACHINE BOARIN across the road crossing/river crossing/cherra crossing without effecting the existing road surface at a depth of minimum 1200mm or as per site requirement of TSECL depending on approved road survey including supply, laying of P80, PN6, HDPE Pipe and coiling of excess cable below the earth surface at a depth of minimum 1200mm with protecting by double layer brichs soiling as per site requirement of TSECL..

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size direct in ground including excavation,sand cushioning, protective covering and refilling the trench etc as required. TrenchSize:-Width-350mm,Hieght-1200 mm/Sand (Couhioning) Hieght-250mm,Width-350mm/protection:-Double layer Bricks. Upto 120 Sq.mm

Boaring for laying of HDPE PIPE ,PE-100 GRADE,PN 8(SDR 17) 110 mm dia wall thickness: minimum-6.5 mm,maximum 7.3 mm 110 mm dia , direct into earth of 1100 mm depth below the ground surface without affecting the existing road by manually digging / drilling horizontally or diagonal direction for road crossing / water supply line / Telecomunication line / Gas line etc. including excavation earth for entry pit as per direction of Engineering In Charge.

Making of Out door type Cable end joints suitable for 3-core, 6.35/11 KV, 120 mm² HT TR XLPE POWER CABLES.

Making jointing of Indoor Heat shrink type End termination kit suitable for XLPE insulated cable of grade 3-core, 6.35/11 KV, 120 mm² HT TR XLPE POWER CABLES.

Erection, testing and commissioning of 11 KV, 1200 Amp continious rated current, 350 MVA rupturring capacity, Indoor Vaccum Circuit breaker, ( for out going feeder) complete with 1 set of C. T of Ratio: 200/1-1A,control l and Relay Panel Simplex type with 110 Volt D.C actuated electrical closing/tripping mechanism with internal wiring 2 - Overcurrent & 1 - earth fault combine Micom digital relay, Master trip relay, Auxilliary relays, 3- ammeter, 1 - Volt Meter, 1 no L&T / SECURE make "Tri-Vector" meter (SCADA Compatible) , 1-C.T. operated static KWH meter with panel bus mounted CT with 200-100/1A with integral earthing facility including internal arc tested required .

Coiling of excess Single/3 core/ 3½ core upto to 400 sqmm.HV/MV,XLPE insulated,armoured power cable direct into earth including excavation of earth upto a depth of 1500 mm (Size pit should be 2250 mm X 2250 mm or as per site requirement,including 1st class brick protection of two layer flat brick soling,300 mm .Fine sand (Local quary) for cushioning/bed and refilling and ramming the excavated soil as per direction of Engineer in Charge.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of all Size in the GI Pipe/HDPE for Riser including tieup of pipe with pole by the MS flat clamp(excluding cost of clamp and Nut & bolts) as required. up to 400 sq.mm.

Erection of 9 Mtr length of Steel Tubular pole at any kind of soil upto a depth of 1/6 th of pole height,including excavation of earth,refilling the pit with soil upto the ground level ramming and making complete in all respect.(SUPPLY BY TSECL)

Erection of 11 KV, 200 Amps G.O.S unit set of three nos.including necessary connection complete as per technical specification.(Excluding the cost of back clamp,Nuts & Bolts).(SUPPLY BY TSECL)

Laying & stringing of 1 KM(Single Conductor) ACSR 6/1/3.35 mm dia RABBIT including hoisting & binding etc.Complete as required.(SUPPLY BY TSECL)

Erection of 11 KV Pin Insulator along with Pin(SUPPLY BY TSECL)

Erection of 11 Dise Insulator with Fittings.(SUPPLY BY TSECL)

Erection of M.S Channel Cross -Arm 1.3 to 2.8 Mtr long 75 x 40 X 40 X 6 mm( Excluding the cost of back Clamp,Nuts & Bolts).(SUPPLY BY TSECL)

Fabrication of Cross- Arms by MS Channel/MS Angle as per Specification.(SUPPLY BY TSECL)

Earthing with G.I pipe 2.5 mtr Long and 40 mm dia, including excavation,refilling with alternate layer of salt & Charcoal as per drawing (excluding supply of G.I Pipe ,Salt & Charcoal,G.I wire,Nuts & bolts etc as required).

Laying of 8 SWG wire at 300 mm below the ground level for earthing of sub-station equipments from earth electrode(SUPPLY BY TSECL)

Erection of Bi-Metallic lugs of 120 Sqmm.(SUPPLY BY TSECL)

Erection of of Stay set direct in earth complete with 19 mm X 1800 mm long stay rod,anchor plate of size 300 X 300 X 8 mm thimble turn bluckle,7/3.15 mm dia G.I standred stay wire and stain insulator etc with Supply of M.S Clamp,Nuts 7 Bolts etc as required and making complete in all respect.(SUPPLY BY TSECL)

Supply of febricated clamps of assorted size of MS flat (50 X 6) mm) with double coat of red oxide primer coating.

Supply & erection of T-shaped Pillar for cable line ID marking engraved with caption H.T 11 KV UG POWER CABLE made of pre-cast RCC of size, [Pillar- 3.0 x.0.33 x 0.33 ft & T-section- 1.0 x.0.33 x 0.33 ft] by excavating earth in/c painting of engraded caption in black colour on yellow background as per technical requirement.

Grouting of KIOSK'S leg with cement concrete ratio 1:2:4 (1 Cement:2 River sand : 4 Jhama bricks aggregrate 20 mm nominal size) in/c supply of cement,sand and brick aggregated complete with excavation refilling as required@0.20 cum per leg as per TSECL specification,No of leg for one KIOSK=4 Nos.

Applying priming coat with ready mixed primer (two or more coats) of approved quality on Steel tubular Pole i/c painting (two or more coats) with Aluminium paint of approved quality to give an even shape.

Erection of 11KV Danger plate [HT] on Pole as per direction of engg-in-charge.

Grouting of Steel tubular pole with C : C of ratio 1:2:4 (1 cement:2 river sand : 4 Jhama brick aggregate of 20 mm nominal size) in/c supply of cement, sand & brick aggregate complete with excavation, refilling of earth, ramming along with centering & shuttering as reqd (0.273 cum per pole)

(CARRYING OF THE FOLLOWINGS)

Carriage of 9 Mtr length of Steel Tubular Poles by Mechanical transport from the Electrical Sub-Divisional Site Store to Working site Vis-à-vis,including loading,unloading and stacking as required. A) Upto lead range 25 KM i) For maximum 4(four) poles.

Carriage of line materials such as cable,AAC, AAAC, ACSR,G.I wire,Cross Arm,Stay set,Insulators etc.by Mechanical Transport from the Electrical Sub-Divisional site store to working site Vis -a-vis, including loading, unloading and stacking as required upto the lead of 25 KM to 50KM.

Carriage of G.O.S,D.O.F,L.A etc by Mechanical Transport from the Electrical Sub-Divisional Site Store to working site Vis-à-vis including loading,unloading and stacking as required. A) Upto the lead range 0-25 KM.