ELECTRICAL WORKS

Amount

SCHEDULE A: SUPPLY FOR 33KV OUT DOOR BAY AT ADHARSHA COLONY & COLLEGETILLA 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. including Design, Engineering, manufacturing, supply of 33 KV control & relay panel, simplex type complete with SCADA compatible Directional O/C and E/F protection, master trip relay, trip circuit supervision relay, AC/DC supervision relay, 1- voltmeter, 3- ammeter, CT operated static trivector meter with DLMS compatible, 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.(For Outgoing Feeder)

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.

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.

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 33 KV Single Phase , outdoor type P.T of ratio 33000V / √ 3 / 110V / √ 3 having suitable burden & class of accuracy and technical specification in the BID document.

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, Supply of 415 VAC(plus minus 10%) nominal input Voltage,50 HZ(plus minus 5%),110 Volt DC Output with adjustable range, 40A thyristor controlled float cum boost charger(with less than 2% RMS ripple content, without battery connected)less than 60db noise level constant voltage processed Battery charger compatible for aforesaid VRLA battery Bank Conforming to relevant ISS and latest amendment complete with standard protection as per IP-54 to 20 as per IS-2147,built in DCDB, standard indications and controls including switches,temperature range of 50 degree centigrade and painted by RAL 7032 etc. with 240Ah Capacity Sealed and Maintenance Free(SMF) VRLA Battery Bank comprising of 60 Nos. 2.2 Volt each Cell (out of 60 cells, 5 Nos. being spare) complete with all accessories conforming to relevant ISS as per latest amendment detailed in the technical specification section of the bid document.

Design, manufacture, testing at works, transport to site, insurance, erection and commissioning of 110Volt D.C. Distribution Boards (DCDB) with dust tight ,vermin proof, gasketed door, enclosure made of sheet steel 2 mm. thick CRCA, painted by powder coated paint RAL 7032 with Aluminium busbar of 40x6 mm complete with (L&T/GE/C&S/HAVELLS make 1x160 A TP MCCB, 1x32 A DC DP MCB, 6x16 A DC DP MCB, analog Volt & Ampere meter,LED indication,Mains failure and Earth fault Relay etc. including all control and protection gears complete as per requirement and asdetailed in technical specification section in the document.

Design, manufacture, testing at works, transport to site, insurance, storage, erection and commissioning of( L & T/ SECURE/GE make) 415 Volts, A.C. 50 Hz A.C. Distribution Board complete with 300 Amp. TPN with link in incoming supply, 3 nos.300/5(15 VA) CT,300 Amp Aluminium busbar,1x100A TPN,3x63 A TPN,2x32A TPN,3x63 A DP,5x32 A DP as per requrement including provision for Voltage,Ampere indications and L&T/SECURE make KWH mete and accessories as described in technical specification.

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., 12 Core stranded copper conductor control cable with armouring as per IS:1554(Part-I)1988.

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., 2 Core stranded copper conductor control cable with armouring as per IS:1554(Part-I)1988.

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., 4 Core stranded copper conductor control cable with armouring as per IS:1554(Part-I)1988.

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., 7 Core stranded copper conductor control cable with armouring as per IS:1554(Part-I)1988.

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. (as per BOQ attached in the documents)

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

Supply and fitting-fixing of "T"/ "I" / "Ω" and other Clamp/power connector suitable for ACSR PANTHER Conductor and 60mm dia Al. tube as required.

Supply of 40 mm. dia. 3 mtr. long perforated hot dip G.I. pipe.

Supply of G. I. flat of size 50 X 6 mm. for Sub-station earthing grounding mat complete including connection with different equipments and structure as per relevant ISS and others necessary for formation of mat as required.

SCHEDULE B :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 33 KV Single Phase , outdoor type P.T of ratio 33000V / √ 3 / 110V / √ 3 having suitable burden & class of accuracy and technical specification in the BID document.

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, testing & commissioning of 110VDC batterry charger and 240Ah Capacity Sealed and Maintenance Free(SMF) VRLA Battery Bank comprising of 60 Nos. 2.2 Volt each Cell (out of 60 cells, 5 Nos. being spare) complete with all accessories conforming to relevant ISS as per latest amendment detailed in the technical specification section of the document.

Erection, Testing at site & commissioning of 415 VAC(plus minus 10%) nominal input Voltage,50 HZ(plus minus 5%),110 Volt DC Output with adjustable range, 40A thyristor controlled float cum boost charger(with less than 2% RMS ripple content, without battery connected)less than 60db noise level constant voltage processed Battery charger compatible for aforesaid VRLA battery Bank Conforming to relevant ISS and latest amendment complete with standard protection as per IP-54 to 20 as per IS-2147,built in DCDB, standard indications and controls including switches,temperature range of 50 degree centigrade and painted by RAL 7032 etc. as required detailed in technical specification section of the bid document.

Erection, testing and commissioning of 110Volt D.C. Distribution Boards (DCDB) with dust tight ,vermin proof, gasketed door, enclosure made of sheet steel 2 mm. thick CRCA, painted by powder coated paint RAL 7032 with Aluminium busbar of 40x6 mm complete with (L&T/GE/C&S/HAVELLS make 1x160 A TP MCCB, 1x32 A DC DP MCB, 6x16 A DC DP MCB, analog Volt & Ampere meter,LED indication,Mains failure and Earth fault Relay etc. including all control and protection gears complete as per requirement and asdetailed in technical specification section in the bid document.

Erection and commissioning of( L & T/ SECURE/GE make) 415 Volts, A.C. 50 Hz A.C. Distribution Board complete with 300 Amp. TPN with link in incoming supply, 3 nos.300/5(15 VA) CT,300 Amp Aluminium busbar,1x100A TPN,3x63 A TPN,2x32A TPN,3x63 A DP,5x32 A DP as per requrement including provision for Voltage,Ampere indications and L&T/SECURE make KWH mete and accessories as described in technical specification of 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]

a) 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) 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.

Earthing with G. I pipe 3mtr. Long and 40mm dia, including excavation of earth pit with supply and alternate layer of salt(100Kg/pit) & Charcoal(80kg/pit) as per approved drawing and neccessary required nuts &bolts, washer etc.

SCHEDULE C : 33KV UG CABLE LINE

Design, Engineering, manufacturing, Supply of Three Core, 19 /33 KV, Al, 400 Sq. mm. FRLS, XLPE insulated, standard compact circular aluminium conductor, screened with extruded semi conducting compound, insulation screening with extruded semiconducting compound combination with copper tape, core laid up, inner sheath of pvc, galvanised steel flat strip armoured and overall PVC sheathed cable confirming to IS:7098(Part-2)2011 with upto date amendments.

Supply of 160 mm outer diameter HDPE pipe, PE-100 grade, PN-8 having minimum wall thickness 9.5and maximum 10.6 mm. as per IS 4984/IS14333 and latest amendments.

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 PVC insulated and PVC sheathed XLPE power cable of 33 KV grade, 400sqmm direct in ground including excavation of earth for cable trenches, 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.

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 direct into the earth at a depth of minimum 1200mm below the ground surface with out effecting the existing road including excavation earth for entry pit as per site condition and direction of Engineering ln Charge. The cable pits should be filled with sand upto 300mm below the ground level surface with proper watering and compacting and the rest portion(300mm) should be filled with cement concreate etc. including coiling of excess cable at a depth of minimum 1200 with double layer bricks protection. as per direction of Engineering In Charge.

HDD Machine digging /drilling horizontally or diagonali direction direct into the earth at a depth of minimum 1200mm below the ground surface with out effecting the existing road for road crossing / Water supply line/Telcomunication line/Gas Pipe line etc. including Laying of 64 to 200mm dia HDPE pipe and drawing of 400sqmm power cable through HDPE Pipe with excavation cable entry pit as per site condition including coiling of excess cable at a depth of minimum 1200 with double layer bricks protection. The cable pits should be filled with sand upto 300mm below the ground level surface with proper watering and compacting and the rest portion(300mm) should be filled with cement concreate etc. as per direction of Engineering In Charge.

Laying & drawing of one number 400sqmm, PVC insulated and PVC sheathed , XLPE power cable of 33 KV grade in the existing RCC/ HUME/ METAL pipe as required.

Laying & drawing of one number 400sqmm, 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) and including coiling of excess cable at a depth of minimum 1200 with double layer bricks protection as per direction of Eng-In Charge.

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

Supplying and making tapex type straight through cable jointing complete with all accessories including ferrules suitable for following size of 3 core, 400sqmm, XLPE aluminium conductor cable of 33 KV grade as required.

Providing of Pre-cast cement concrete cable identification route marker (1 cement: 2 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( 1 cement : 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.

SCHEDULE D:CABLE SECTION & OVER HEAD BARE LINE

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

Supply 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 Galvanised Stay Set complete direct in earth with 20 mm. dia. 1.8 mtr. long GI stay rod, anchor plate of size 300 X 300 X 8 mm. thick, turn buckle of length 356 mm. with 300 mm. long threaded adjustable 16 mm. dia. GI rod , thimble, guy insulator as per IS specification, hot dip (heavy duty) galvanized stay stranded wire of size 7/3.15 mm. fastened with stay clamps as required. ( including supply of MS clamp & Nuts & Bolts with galvanization as reqd) as per tender specification.

Supply of Stranded G.I Stay wire (7/3.15mm) as per relevant IS

Supply of 33KVStay Insulator as per relevant IS

Supply of 100 X 50 X 50 X 6 mm. Galvanised channel duly galvanised as per relevant I.S. (a) 0.30 mtr long

(b) 1.50cross arm

(c) 2.40 mtr long

(c) 1.80 mtr long

Supply of 65 X 65 X 6 mm. Galvanised angle duly galvanised as per relevant I.S. (a) 1.8 mtr long for guard

(b) 2.8 mtr long for guard

(c) 1.8 mtr long for horizontal bracing

(d) 3.2 mtr long for diagonal cross bracing

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) .

Supply of ACSR DOG Conductor (6/4.72+7/1.57 mm) as per relevant IS.

Supply of 8 S.W.G G.I wire as per relevant 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).

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).

Erection of Galvanised Stay Set complete direct in earth with 16 mm. dia. 1.8 mtr. long GI stay rod, anchor plate of size 300 X 300 X 8 mm. thick, turn buckle of length 356 mm. with 300 mm. long threaded adjustable 16 mm. dia. GI rod , thimble, guy insulator as per IS specification, hot dip (heavy duty) galvanized stay stranded wire of size 7/2.5 mm. fastened with stay clamps as required.

Erection of fabrication 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. (a) 0.30 mtr long

(b) 1.50cross arm

(c) 2.40 mtr long

(c) 1.80 mtr long

Erection of fabrication of 65 X 65 X 6 mm. Galvanised angle duly galvanised as per relevant I.S. on Steel Tubular Pole srtucture with help of clamp (made of 50x6 mm. GI flat duly galvanised as per relevant I.S), nuts and bolts as required as per direction of Eng-In-Charge .(a) 1.8 mtr long for guard

(b)2.8 mtr long for guard

(c) 1.8 mtr long for horizontal bracing

(d) 3.2 mtr long for diagonal cross bracing

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 of ACSR DOG Conductor (6/4.72+7/1.57 mm) as per relevant IS.

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

Providing 33KV Craddle guard making of 8SWG GI Wire

Supply & Erection of Earthing set as per ISS : 3043 of 1966 and with latest amendment if any, 2.5 mtr long G.I. pipe (ISI marked) of 40 mm diameter with suitable holes on pipe circumference including a pair of clamps (made of 50 X 6 GI flat), galvanized nuts & bolts including supply of 4.0 mtr long, 12mm dia PVC pipe for each earthing set etc. as required and as per direction of Engineer-in-charge.

Providing of 33KV Danger Plates at a height of 5mtr from the ground level.

Providing of Barbed wire (Anti Climbing device) at a height of 3mtr from the ground level.

Providing Name Plate(33KV Adharsha Colony), made of 2mm thick MS Sheet including fastend with Pole at a height of 4mtr from the ground level.

Grouting of Pole /Stay Set: Providing and laying in position cement concrete of specified grade 1:3:6 ( 1 Cement: 3 fine sand : 6 graded well burnt brick aggregate 20 mm nominal size) including the cost of centring and shuttering.

SCHEDULE E: 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 1:3 ( 1 cement : 6 fine sand )

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

ADHIR DEBNATH

M/s Bhattacharjee Construction

Asish Debnath