Proposed construction of MLA Hostel at Capital Complex Agartala, West Tripura SH Extension of HT LT line and Construction of 11 043 KV 2X 1000 KVA Distribution Sub for MLA Hostel near ILS Hospital under ESD Capital Complex

Amount

(SUPPLY)

Supply of 3-phase, 3 core 6.35/11 KV,120 Sq mm RFLS XLPE insulated & insulation Aliminium power Cable Conductor as per IS 7098/II/1985 and lastest amendment.

Supply of P80, PN6, 110 OD, minimum wall thikness 7.7mm HDPE Pipe of different length as required.

Design, Engineering, Supply, testing and commissioning of 11 KV, 1200Amp continuous rated current, 350 MVA rupturing capacity, Indoor Vaccum Circuit breaker ( for out going feeder) , complete with 1 set of C. T of Ratio: 200/1-1A,Control and Relay Panel Simplex type with 110 Volt D.C actuated electrical closing/tripping mechanism with internal wiring 2 - Overcurrent & 1 - earth fault combined Micom digital relay, Master trip relay, Auxilliary relays as required , 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 11KV bus with necessary power & control cable as deatiled here in after.including supply of 1(one) VCB trolly as spare etc as required.

Supply of out door type Cable end joints suitable for 3 core,6.35/11 KV,120 Sq mm XLPE UG cable.

Supply of indoor type Cable end joints suitable for 3 core,6.35/11 KV,120 Sq mm XLPE UG cable.

Supply of 4 way (1 incoming and 3 outgoing feeder) H.T KIOSK / 11KV outdoor type feeder piller made of 3mm MS Sheet complete with aluminium busbar , HT insulator etc as required provided with locking system with ID marking with caption 'MLA Hostel UG LINE' and painting to be fitted on structure of M S Angle (50X50X6mm) and M S Flat (40X6mm) including supply of M S Angle and Flat as required and concreting of ratio 1:2:4 (0.054cum/leg) with excavation of earth centering shuttering & disposal of excess soil.

Supply of T-shaped Pillar for cable line ID marking engraved with caption 'MLA Hostel UG LINE' 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.

Supply of 11KV Danger plate on Pole as per direction of engg-in-charge.

Supply of single core, 500 sqmm XLPE LT UG Cable.

Supply of outdoor type, 1000 KVA LT kiosk, made of 2.5 mm MS sheet duly painted power coated Siemens grey, complete with internal connection and necessary equipment with a) 1250A TP MCCB, 50K b)1 no. digital volt meter 3ph, c) 1 No. Digital Volt meter 3ph d) 3 no. LED indicator lamp 230 V AC e) 3 no SP MCB 4A, f) 3 no. Current Transformer 1500/5, g) 3 no. 1000A TP MCCB 50K for h) 1 set 1500 A Al BUS Bars.

Supply of 11 KV, 630A,21 KA for 3s, SF6 Insulated Motorised, Outdoor, Non-extensible, 4 way RMU with 2 Nos. Load Break switch (LBS) feeder & 2 Nos. Vacuum Circuit Breaker (CB) feeder with Air Insulated Bus Connected Metering Unit(M) with common item & accessories etc. as required.

Supply of STIHL make Battery operated Pole Pruner with following items- (a) Battery operated Pole Pruner, Model – HTA 85, Make – STIHL -1 No., (b) Battery operated Chain Saw, Model- MSA 200C, Make- STIHL-1No., (c) Lithium Battery Charger, Model – AL 300 -1No. (d) Battery, Model – AP 300 -3No.

Supply of Heat Shrinkable 1.1 KV grade 1 core 500 sqmm XLPE UG Cable end joint.

Supply of triple pole, 3 phase, 12 KV, 200 Amps manually Gang opereted Air break switch, 3 post verticle type Single break, complete with post insulator for operation in 11 KV, 50 Hz, AC system as per relevant IS with supply of clamps, nuts & bolts, bimetalic lugs etc as reqd. as per direction of Engg -in charge.

Supply of 9 KV, 5 KN, metal oxide gapless surge trype Lightening Arrester suitable nominal system voltage of 11 KV, 3 phase, 50 Hz, AC system, creepage distance 600 mm, confirming to ISS : 3070/1985.

Supply of triple pole, 3 phase, 12 KV, 200 Amps, Drop out fuse unit for operation in 11 KV, 50 Hz, AC system as per relevant IS specification with supply of bimettalic lugs, nuts, bolts & washer etc as reqd. as per direction of Engg -in charge.

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 facilities as perrequirment with supply of necessary allied materials and control cable etc.as required.

Supply of pipe earthing set as per ISS 3034 of 1966 with upto date amendment having 2.5 mtr long fabricated perporated 40 mm dia heavy duty G.I pipe with holes alongwith fixing of 1 pair of 50 X 6 mm galvanised flat clamp 12 mm dia 40 mm long MS galvanised nuts and bolts with spring washer,salt & charcoal etc as required .

Supply of 50 X6 mm size G.I flat for earthing.

Supply, laying & stringing of ACSR "DOG" conductor [7/1.57/6/4.72mm] or AASC equivalent conforming to ISS 398(Part-II) 1996 with latest amendments if any in/c hoisting, binding, jumpering etc as per direction of Engineer-in-charge.

Supply of porcelin Pin insulator for 11 KV system with mechanical strength 10 KN confirming to ISS: 731/1971 on hot dip galvanised M.S. forged 11 KV G.I. pin complete with galvanised hexagonal nuts, G.I. flat washer & G.I. pin washer confirming to ISS: 2486 (P-II) / 1974 in/c supply of G.I. pin etc as reqd.

Supply of Polymer Disc insulator Ball & Socket type for 11KV System (EMS-45KN) confirming to ISS:731/1971 in angle and dead end locations inluding tension fittings of EMS-45KN to accommodate the revelent ACSR conductor size along with nuts and bolts, washer etc as required in complete as per dirction of Engineer -in charge

Supply of painted Stay set direct in earth complete with 16 mm dia, 1800 mm long stay rod, anchor plate of size 300 X 300X 8mm, turn buckle of length 356 mm, with 300 mm threaded adjustable 16 mm dia M.S. rod & thimble in/c supply of 11 KV guy insulator as per IS specification, hot dip (heavy duty) galvanisrd stay stranded wire, 7/2.5 mm2, grade-IV as per ISS:2141 / 1979 having minimum tensile strength 700N with zinc coating (heavy type coating confirming to IS:4826/1979, weight 260 kg / km, fastened with stay clamps in/c supply of M.S clamp, nuts & bolts etc as required.

Supply of H.T Stay Insulator

Supply of Strain Screw

Supply of Galvanized Strandred Stay Wire

Supply of Bi-Metallic lugs of 70 Sqmm.

Supply of Bi-Metallic lugs of 95 Sqmm.

Supply of Bracket clamp of M.S Clamp (50X6mm)

Supply of Stay Clamp of M.S Clamp (50X6mm)

Supply of galvanised Nuts and bolts (assorted size)

Supply of 75x40x40x6 mm M.S. Channel Braket

Supply of 320X50X6 mm Copper strip

Supply of Portable hand operated Criping Tools for crimping Lugs terminal of Copper, Aluminium from 25 to 400 mm², dies H-25- H400 (11 Sets), hexagonal crimp shape compression. The handles have rubber covering for comfortable easear operation. piier type, crimping tool is a device used to conjoin two pieces of metal by deforming one or both of them in a way that cuses them to hold each other.

Supply of Standard tool box with Spanner ( TAPARIA make)

(ERECTION)

Carriage of 11/0.433 KV, 1000KVA Distributions Transformers including necessary connectionsby machanical transport from MMSD Stor to site including loading, unloading and placing on base as required. (a) upto the lead range 25 KM

Carriage of 9.0 mtrs 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 the lead lead range 25 KM

Erection, testing and commissioning of 11/0.433 KV, 1000KVA with copper windings Distribution Transformer. (Transformer shall be supplied by TSECL at MMESD, AD Nagar)

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

Excavation of Cable Entry pit and Laying and Commissioning of 3-phase 3-core, 6.35/11 KV 120sqmm XLPE insulated Aluminium power cable in trenches (Dimention: 500mm width & 1200mm depth excluding specific locations where this is likely to vary on higher side including : (a) Formation of trench by excavation of soil (b) Supply and spreading of sand in 2 (two) layers each of 150mm thick one on trench bed and the other over cable laid (c) Supply and laying of consolidate plain flat brick soling over the 2nd layer of spreaded sand (d) Refilling of excavated earth over the flat brick soling work upto the ground level and coiling of excess cable below the earth surface at a depth of minimum 1200mm with protecting by double layer bricks soiling as per design, specefication & engineering requirement of TSECL.

Excavation of Cable Entry pit and Laying and Commissioning of single core 500 sqmm XLPE insulated Aluminium LT power cable by separating with horizental bricks as divider of 5(five) nos. cable (4+1) in a trenches (Dimention: 2500mm width & 1200mm depth excluding specific locations where this is likely to vary on higher side) including : (a) Formation of trench by excavation of soil (b) Supply and spreading of sand in 2 (two) layers each of 150mm thick one on trench bed and the other over cable laid (c) Supply and laying of consolidate plain flat brick soling over the 2nd layer of spreaded sand (d) Refilling of excavated earth over the flat brick soling work upto the ground level and coiling of excess cable below the earth surface at a depth of minimum 1200mm with protecting by double layer bricks soiling as per design, specefication & engineering requirement of TSECL.

Laying and Commissioning of 3-phase 3-core 6.35/11 KV 120 Sq mm XLPE insulated Aluminium power cable throug PE 80,PN 6 110 mm O.D minimum wall thickness 7.7 HDPE pipe by all terrain horizantal directional drilling, digging Machine Boaring across the road crossing without affecting the existing road surface at adepth of minimum 1200 mm i/c coiling of excess cable with protecting by double layer brick soiling as per design,specefication & engineering reuirement of TSECL whereever required.

Erection, Testing & Commissioning of 11 KV 1200 Amps continuous current 350 MVA rupting capacity Indoor Vaccum Circuit breaker (Feeder outgoing pannel) Complete with Control & relay pannel simplex type with 3 phase panel top mounted PT of ration 11000/110 volt, electrical clossing machanism & internal wiring 2 over current & with electrical closing machanism & internal wiring 2 over current & 1 earth fault combined relay, auxiliray relay 3 Ammmeter, 1 voltmeter, CT poerated static Tri Vector meter, 1 CT operated static KWH meter including panel bus mounted CT with 200-100/1 A with integral earthing facility & internal arc tested as required.

Erection of 3 mtr long M.S Bracket made of 75x40x40x6 mm M.S. channel in/c fabrication alongwith drilling holes (5/8"), Supply of required nos of Clamps by MS Flat (Size: 50X6mm), required length of Nuts & Bolts (5/8") etc as reqd for fitting & fixing on pole i/c applying priming coat with ready mixed primer of approved quality on Bracket i/c painting (two or more coats) with Aluminium paint of approved quality to give an even shape as per direction of Engg -in charge.

Erection of out door type Cable end joints suitable for 3 core, 6.35/11 KV, 120 Sq mm XLPE UG cable.

Erection of Heat Shrinkable single core 1.1 KV grade 500 sqmm XLPE UG Cable

Erection of RMU/ 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 ratio 1:2:4 (0.054 cum/Leg) with excavation of earth centering shuttering & disposal of excess soil.

Laying of XLPE cable through PE 80,PN 6 110 mm O.D minimum wall thickness 7.7 HDPE pipe above ground level for riser to Pole and other places where required etc as required and fitting fixing of pipe to pole with the help of Crossarm, Clamp, Nuts & Bolts.

Erection of T -Shaped pillar for cable line ID marking engraved with caption ''11 KV UG CABLE LINE" made of pre cast RCC of size,[ pillar=3.0 X0.33X0.33 ft & T section 1.0 X0.33 X0.33 ft] by excavating earth in/c painting of engraved caption in black colour on yellow back ground as per Technical requirement.

Erection of Earthing set as per ISS: 3034 of 1966 alongwith upto date ammadement, having 2.5 mtr long perporated heavy duty G.I. pipe (ISI marked), 40 mm dia with holes i/c a pair of 50X6mm GI flat and 12mm, 65mm long nuts & bolts and excavation, refilling with alternate layer of salt & charcoal etc as reqd, Polythene pipe (1") as per direction of Engg -in charge as per REC specefication.

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

Erection of 9.0 mtr long Steel tubular pole ( Designation 410: SP-32)confirming to relevent ISS: 2723 (Part I & II) with round shape base plate welded at the bottom, direct in earth in/c excavation, refilling & ramming etc. as required [1/6th of the pole to be embeded in earth].etc as per direction of engineer in charge( Will be suppied by TSECL).

Erection of triple pole, 3 phase, 12 KV, 200 Amps manually Gang opereted Air break switch, 3 post verticle type Single break, complete with post insulator for operation in 11 KV, 50 Hz, AC system as per relevant IS with supply of clamps, nuts & bolts, bimetalic lugs etc as reqd. as per direction of Engg -in charge.

Erection of 9 KV, 5 KN, metal oxide gapless surge trype Lightening Arrester suitable nominal system voltage of 11 KV, 3 phase, 50 Hz, AC system, creepage distance 600 mm, confirming to ISS : 3070/1985.

Erection of triple pole, 3 phase, 12 KV, 200 Amps, Drop out fuse unit for operation in 11 KV, 50 Hz, AC system as per relevant IS specification with supply of bimettalic lugs, nuts, bolts & washer etc as reqd. as per direction of Engg -in charge.

Erection, testing and commissioning of 11 KV, Adaptor panel of 1250 Amp continious rated current confirming to relevent ISS/TEC as required including standared indication facilities as perrequirment with supply of necessary allied materials and control cable etc.as required.

Erection of 50 X6 mm size G.I flat and laying [below 0.5 mtr of G.L] including excavation & refilling of earth ,welding of joint for inter connection of earth electrodes and earthing terminals of equipments etc as required for earthing.

Erection of T-shaped Pillar for cable line ID marking engraved with caption 'MLA Hostel UG LINE' 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.

Laying & stringing of ACSR "DOG" conductor [7/1.57/6/4.72mm] or AASC equivalent conforming to ISS 398(Part-II) 1996 with latest amendments if any in/c hoisting, binding, jumpering etc as per direction of Engineer-in-charge.

Erection of porcelin/ Polimeric Pin insulator for 11 KV system with mechanical strength 10 KN confirming to ISS: 731/1971 on hot dip galvanised M.S. forged 11 KV G.I. pin complete with galvanised hexagonal nuts, G.I. flat washer & G.I. pin washer confirming to ISS: 2486 (P-II) / 1974 in/c supply of G.I. pin etc as reqd.

Erection of Polymer Disc insulator Ball & Socket type for 11KV System (EMS-45KN) confirming to ISS:731/1971 in angle and dead end locations inluding tension fittings of EMS-45KN to accommodate the revelent ACSR conductor size along with nuts and bolts, washer etc as required in complete as per dirction of Engineer -in charge

Erection of painted Stay set direct in earth complete with 16 mm dia, 1800 mm long stay rod, anchor plate of size 300 X 300X 8mm, turn buckle of length 356 mm, with 300 mm threaded adjustable 16 mm dia M.S. rod & thimble in/c supply of 11 KV guy insulator as per IS specification, hot dip (heavy duty) galvanisrd stay stranded wire, 7/2.5 mm2, grade-IV as per ISS:2141 / 1979 having minimum tensile strength 700N with zinc coating (heavy type coating confirming to IS:4826/1979, weight 260 kg / km, fastened with stay clamps in/c supply of M.S clamp, nuts & bolts etc as required.

Erection of Bi-Metallic lugs of 70 Sqmm.

Erection of Bi-Metallic lugs of 95 Sqmm.

Ercetion of Bracket clamp of M.S Clamp (50X6mm)

Erection of Stay Clamp of M.S Clamp (50X6mm)

Erection of 320X50X6 mm Copper strip as required.

Erection of 3 mtr long M.S Bracket made of 75x40x40x6 mm M.S. channel in/c fabrication alongwith drilling holes (5/8"), Supply of required nos of Clamps by MS Flat (Size: 50X6mm), required length of Nuts & Bolts (5/8") etc as reqd for fitting & fixing on pole i/c applying priming coat with ready mixed primer of approved quality on Bracket i/c painting (two or more coats) with Aluminium paint of approved quality to give an even shape as per direction of Engg -in charge.

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.

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)

C.C work of ratio 1:2:4 (1 cement:2 river sand : 4 Jhama brick aggregate of 20 mm nominal size) for transformer base of size (12X15) sqmtr in/c supply of cement, sand & brick aggregate complete with excavation, refilling of earth, ramming along with centering & shuttering as required with hard drawn fencing for necessary protection on lump sum basis

SUDHANGSHU BHATTACHARJEE

Asish Debnath

RATAN PAUL

M/s Bhattacharjee Construction

ADHIR DEBNATH

Dilip Kumar Kar