Construction of 33KV underground cable line from NSRCC, Netaji Chowmohni,

Amount

Supply

SUB-STATION OUT DOOR BAY AT STADIUM 33KV SUB-STATION

Design, Engineering, manufacturing, supply of 33 KV, 1250A, 750 MVA rupturing capacity, outdoor Vacuum Circuit Breaker complete with motor operated spring closing (Local / Remote) arrangement with all accessories including lattice support structure,foundation bolts,G.I. nuts & bolts,washers etc. as required and as per relevant ISS complete operative on 110V DC.

Design, Engineering, manufacturing, supply of 33 KV control & relay panel, simplex type complete with differential relay, 2-over current and 1- Earth fault combined relay, Auxiliary relay, 1- voltmeter, 3- ammeter, CT operated static trivector meter, internal panel wiring, simaphone for Vacuum Circuit breaker & isolator, Mimic bus diagram (Metal size 4mm thick X 10mm width)as required and as per relevant ISS complete operative on 110V DC and as per requirement detailed in bid document.

Design, Engineering, manufacturing, Supply of 36kV, 630A, 25kA for 3 seconds, 3-ph double break center rotating type (DBCR), Gang Operated, isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per technical specifications, scope of works and approved drawings a) With earth switch.(One at NSRCC & at 1at Stadum 33KV SS)

Design, Engineering, manufacturing, Supply of 36kV, 630A, 25kA for 3 seconds, 3-ph double break center rotating type (DBCR), Gang Operated, isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per technical specifications, scope of works and approved drawings a) Without earth switch.( at Stadum 33KV SS)

Design, Engineering, manufacturing, supply of 33 KV Single Phase, outdoor type 2 Core C.T of ratio 500 / 1-1Amp with suitable burden & class of accuracy complete with associated terminal box connecting link etc. and as per relevant IS and technical specification in the BID document for transformer.

Design, Engineering, manufacturing, supply of 10KA, 30 KV, Station Valve type metal oxide heavy duty Lightning Surge Arrestor suitable for operation on 33KV Sytem conforming to ISI : 3070 (P-1) / 1974 and amendments thereafter and as required and technical specification in the BID document.

Design, Engineering, manufacturing, insurance, Testing at Ex-works, transportation, loading, unloading, storage, delivery at site & supply of 1100 Volts grade PVC insulated PVC sheathed, 2.5 sq.mm.( stranded copper conductor) control cable with armouring of following capacity & core as per IS:1554(Part-I)1988. Cable shall be [(a) 2 Core 2.5mm² (b) 4 Core 2.5mm² (c) 7 Core 2.5mm² (d) 12 Core 2.5mm²] (125mtr length of each size)

a) Supply of Galvanised steel materials for granty Structures of Switchyard including Galvanised nuts & bolts with washer and foundation bolts etc as per approved design & bill of materials.

Supply of Busbar & stringing materials. a) 60 mm. dia Aluminium. pipe for equipment bus.

e)"T"/ "I" / "Ω" and other Clamp/power connector suitable for ACSR PANTHER Conductor and Al. tube as required.

Supply for Sub-station earthing with grounding mat complete including connection with different equipments and structure as per relevant ISS including supply of 40 mm. dia. 3 mtr. long perforated hot dip G.I. pipe and galvanised iron . flat and others as necessary for formation of mat as required. a) Earth pit.

b) G. I. flat of size 50 X 6 mm. run for mat.

ERECTION OF 33KV BAY & EQUIPMENTS

Erection, testing & commissioning of 33 KV, 1250A, 750 MVA rupturing capacity, outdoor Vacuum Circuit Breaker complete with motor operated spring closing (Local / Remote) arrangement with all accessories including lattice support structure,foundation bolts,G.I. nuts & bolts,washers etc. as required and as per relevant ISS complete operative on 110V DC.

Erection, testing & commissioning of 33 KV control & relay panel, simplex type complete with differential relay, 2-over current and 1- Earth fault combined relay, Auxiliary relay, 1- voltmeter, 3- ammeter, CT operated static trivector meter, internal panel wiring, simaphore for Vacuum Circuit breaker & isolator, Mimic bus diagram (Metal size 4mm thick X 10mm width)as per relevant ISS complete operative on 110V DC and as per requirement detailed in bid document..

Erection, testing & commissioning of 36kV, 630A, 25kA for 3 seconds, 3-ph double break center rotating type (DBCR), Gang Operated, isolator along with Support Insulators, Operating Mechanism, Base Channel down Pipe and all required accessories complete as per technical specifications, scope of works and approved drawings a) With earth switch. & without earth Switch

Erection, testing & commissioning of 33 KV Single Phase, outdoor type 2 Core C.T of ratio 500 / 1-1Amp with suitable burden & class of accuracy complete with associated terminal box connecting link etc. and as per relevant IS and technical specification in the BID document for transformer.

Erection, testing & commissioning of 10KA, 30 KV, Station Valve type metal oxide heavy duty Lightning Surge Arrestor suitable for operation on 33KV Sytem conforming to ISI : 3070 (P-1) / 1974 and amendments thereafter and as required and technical specification in the BID document.

Erection & commissioning of of 1100 Volts grade PVC insulated PVC sheathed, 2.5 sq.mm.( stranded copper conductor) control cable with armouring of following capacity & core as per IS:1554(Part-I)1988. Cable shall be 80mtr. each of [(a) 2 Core 2.5mm² (b) 4 Core 2.5mm² (c) 7 Core 2.5mm² (d) 12 Core 2.5mm²]

Supply, Erection, testing , commissioning & joints of Outdoor type heat shrink end jointing kit for Three core, 400 Sq.mm. Size, XLPE insulated Power Cable of grade 19/33 KV(E). as per IS 7098 Part-II 1985 and latest ammended.

Erection of Galvanised steel materials for granty Structures, nuts & bolts with washer and foundation bolts etc of Switchyard as per approved design & bill of materials (as per BOQ attached in documents).

Erection of Busbar & stringing materials. a) 50 mm. dia Aluminium. pipe for equipment bus.

e) "T"/ "I" / "Ω" and other Clamp/power connector suitable for ACSR PANTHER Conductor and Al. tube as required.

Erection of Sub-station earthing with grounding mat complete including connection with different equipments and structure as per relevant ISS including supply of 40 mm. dia. 3 mtr. long perforated hot dip G.I. pipe and galvanised iron . flat and others as necessary for formation of mat as required. a) Earth pit.

b) G. I. flat of size 50 X 6 mm. run for mat.

33KV UG CABLE LINE

Design, Engineering, manufacturing, Supply of Three Core, 19 /33 KV, Al, 400 Sq. mm. FRLS, XLPE insulated, screened armoured power cable as per TSECL approved design, drawing, specification and as reqd. as per direction of Eng-In-Charge and detailed herein after in the bid document.

Supply of 160 mm outer diameter HDPE pipe( PE-80 grade) of working presure 6 kgf /sq.cm. having minimum wall thickness 6.3 to 7.2 mm.

Supply of 150 mm dia best quality heavy duty GI PIPE as per ISS 1239 of different length as per requirement of engineering.

Laying of one number 400sqmm PVC insulated and PVC sheathed / XLPE power cable of 33 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. Trench Size: Width-350mm, Hieght-1200mm / Sand(couhioning): Hieght-250mm, Width-350mm/ Protection: Double layer Bricks including coiling of excess cable at a depth of minimum 1200 with double layer bricks protection as per direction of Engineering In Charge.

Manually digging /drilling horizontally or diagonali direction for road crossing / Water supply line/Telcomunication line/Gas Pipe line etc. including Laying of 64 to 200mm dia GI pipe and 400sqmm power cable direct into the earth at a depth of minimum 1100mm below the ground surface with out effecting the existing road including excavation earth for entry pit as per site condition and direction of Engineering In Charge.

HDD Machine digging /drilling horizontally or diagonali direction for road crossing / Water supply line/Telcomunication line/Gas Pipe line etc. including Laying of 64 to 200mm dia GI pipe and 400sqmm power cable direct into the earth at a depth of minimum 1100mm below the ground surface with out effecting the existing road including excavation earth for entry pit as per site condition including coiling of excess cable at a depth of minimum 1200 with double layer bricks protection as per direction of Engineering In Charge.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 33 KV grade of all size in the GI Pipe/HDPE for riser including tieup of Pipe with pole by the help MS Flat Clamp (excluding cost of Clamp and Nut&Bolts) as required

Supplying and Making Outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, 400sqmm, XLPE aluminium conductor cable of 33 KV grade, as required :

Supplying and Making Indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, 400sqmm, XLPE aluminium conductor cable of 33 KV grade as required :

Supplying and Making Straight through Tapex (with plastic mould) type jointing kit for Three core, 400 Sq.mm. Size, XLPE insulated Power Cable of grade 19/33 KV(E). as per IS and latest ammended.

Providing of Pre-cast cement concrete cable identification route marker (1 cement: 2 coarse sand : 4 graded stone aggregate 6mm nominal size) reinforced with 1.6 mm dia mild steel wire including centring and shuttering, roughening cleaning, fixing and finishing in cement mortar 1:3(1cement : 3 fine sand) etc. complete, excluding the plastering of jambs, sills and soffits as per design, drawing and specification of TSECL. The marker shall be embossed "DANGERS: TSECL, ELECTRIC POWER CABLE" with Black colour letter(both side). The visible part shall be painted with Yellow colour japan paint as per approved TSECL drawing & Specification.

Supply & Laying of 250mm wide and 100microns thick(HDDPE/LLDPE) pre-warning Yellow colour tape. The warning tape shall be printed in RED letter (in English as well as Bengali) as "COUTION: TSECL, 33KV POWER CABLE" and to be placed at about 500mm depth from ground level along the cable route.

CABLE SECTION

Supply of Galvanised Steel Tubular Pole, 9.0mtr. Long (Designation 410: SP-32) conforming to ISS 2713 (P-I & II) 1980 with base plate

Erection of 11.0 mtr. long Steel Tubular Poles (Designation 410: SP-54) ( hot dip galvanized ) conforming to ISS: 2713 (P-I & II)-1980 with base plate

Supply of 2.5meter long, 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 2.2meter long, 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 2.80mtr. long 65 X 65 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 3.2mtr. long 65 X 65 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 1.8 mtr. long 65 X 65 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 0.30mtr. long 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 1.50mtr. long 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with supply of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Supply of 33KV Polymeric Disc Insulators ( 70 KN as per rlelevant IS) with fittings(3/4U Bolt type)

Supply of 33KV Polymeric Pin Insulators as per rlelevant IS) .

Erection of Steel Tubular Pole, 9.0mtr. Long (Designation 410: SP-32) ( hot dip galvanized )conforming to ISS 2713 (P-I & II) 1980 with base plate direct in earth including excavation, refilling and ramming etc. as required complete (1 /6th of the length of the pole to be embedded in earth) and grouting of steel tubular poles with CC of ratio 1:3:6 (1 cement: 3 river sand: 6 jhama brick aggregate of 20 mm. nominal size) including supply of cement, sand and brick aggregate complete with excavation, refilling of earth, ramming alongwith centering and shutterirtg etc. as required.(c.c work @ 0.273 Cum per steel tubular pole as per TSECL design,drawing and specification ) .

Erection of 11.0 mtr. long Steel Tubular Poles (Designation 410: SP-54) ( hot dip galvanized ) conforming to ISS: 2713 (P-I & II)-1980 with base plate direct in earth including excavation, refilling and ramming etc. as required (1/6th length of the pole to be embedded in earth) and grouting with CC of ratio 1:3:6 (1 cement : 3 river sand : 6 jhama brick aggregate of 20 mm. nominal size) ilc supply of cement, sand and brick aggregate complete with excavation, refilling of earth, ramming alongwith centering and shuttering as required (@ 0.273 Cum per Steel Tubular Pole as per TSECL specification ) etc.

Erection of 2.5meter long, 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 2.2meter long, 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 2.80mtr. long 65 X 65 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 2.5mtr. long 65 X 65 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 2.20 mtr. long 65 X 65 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 0.30mtr. long 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 1.50mtr. long 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. on Steel Tubular Pole with help of clamp (made of 50x6 mm. GI flat Flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge.

Erection of 33KV Polymeric Disc Insulators ( 70 KN as per rlelevant IS) with fittings(3/4U Bolt type)

Erection of 33KV Polymeric Pin Insulators as per rlelevant IS) .

Laying, hoisting, binding & Jumpering of ACSR DOG Conductor as per relevant IS.

Laying, hoisting, binding & Jumpering of 8 S.W.G G.I wire for continuous earth connection,guarding, craddling & Earthing

Providing of 33KV Danger Plates

Providing of Barbed wire (Anti Climbing device).1.5kg/Pole

Providing 33KV Craddle guard making of 8SWG GI Wire

Supply of Perforated 2.5mtr long, 40mm dia GI Pipe(Heavy duty)

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

Earthing with G.I pipe 2.5mtr. Long and 40mm dia,including excavation,refilling with alternate layer of salt & Charcoal as per drawing excluding supply of G.I.Pipe , Salt & Charcoal,GI Wire , Nut&Bolts etc. as required

Laying of 8 SWG GI wire at 300mm below the ground level for earthing of Sub-Station equipments from the earth electrode

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - -All work upto plinth level: 1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 20 mm nominal size) Per pole =0.273/cum

EQUIPMENTS FOUNDATION WORK

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. -All kinds of soil

Supplying and filling in plinth, under floor, foundations etc. with sand (fine) from local quarry with all lifts including spreading in horizontal layers, watering, grading to required slope, ramming, consolidating and compacting each layer by using plate compactor or by any suitable method complete.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. -All kinds of soil

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering --All work upto plinth level: a) 1 : 3 : 6 ( 1 cement : 3 fine sand : 6 graded well burnt brick aggregate of 20 mm nominal size)

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in mouldings as in cornices, windows sills etc, including setting in cement mortar 1:3 (1 cement : 3 coarse sand) cost of required centering, shuttering but, excluding the cost of reinforcement, with 1:1.5:3 (1 cement : 1.5 fine sand : 3 graded stone aggregate 20 mm nominal size).

Providing, hoisting and fixing above plinth level up to floor five level precast reinforced cement concrete in shelves, including setting in cement mortar 1:3 (1cement : 3 coarse sand), cost of required centering, shuttering and finishing with neat cement punning on exposed surfaces but, excluding the cost of reinforcement, with 1:1.5:3 (1 cement : 1.5 fine sand : 3 graded stone aggregate 20 mm nominal size).

12 mm cement plaster in single layer including cost of materials required and finishing even and smooth and curing complete as per clauses of chapter 12 of PWD specification.a) Cement mortar 1:6 ( 1 cement : 6 fine sand )

Neat cement punning including cost of materials required as per clauses of chapter 12 of PWD specification.

Asish Debnath

RATAN PAUL

M/s Bhattacharjee Construction