2nd Call for Installation of 33 KV and 11 KV electrical equipment with associated other electrical works for construction of new 33/11 KV Substation at Eternis Housing Project at Madhyamgram, District North 24 Parganas under Barasat Division.

Amount

Gantry & other switchyard Structures

Erection of four pole along with 33kV cable raising on support and LA arrangement including Rail pole ( Rail Pole will be supplied by the WBSEDCL) Pole(including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete with painting of Rail Pole(1 coat red oxide & 2 coat Alluminium paint of reputed company including supply of paint ) with Insulators other accessories & fittings complete for 33 kV 400A H.L. CR Type Isolator (ref drg: PLN(D)/SS/112) except fittings

Supply, fabrication and erection of Gaivanized Iron Structures as per drg no. PLN(D)/SS/112(as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members in Hot Dip Galvanization Method)

Erection of 33 kV 400A H.L. CR Type Isolator

Supply & Erection of GI Pipe of 200mm Dia (Make: Tata/Jindal) for aiding the riser portion of the 33kV Cable at 4 Pole Structure/Power Transformer/Station Service Transformer

Supply & Erection of 11 kV Cable Support with LA (ref drg: PLN(D)/SS/85 )

Supply & Erection of GI Pipe of 150mm Dia (Make: Tata/Jindal) for aiding the riser portion of the 11kV Cable at cable supprt structure

Erection of 42kV Lightning Arresters on Cable Support Structure

Erection of 12kV Lightning Arresters on Cable Support Structure

Erection of conductor including Laying, Hoisting, stringing jointing,sagging,tensioning single wire ACSR Panther Conductor with suitable sockets, Aluminium binding wire ,Aluminium tape etc.

Erection of conductor including Laying, Hoisting, stringing jointing,sagging,tensioning single wire ACSR Dog Conductor with suitable sockets , Aluminium binding wire ,Aluminium tape etc.

Supply & Erection of Pipe Bus & Connectors

Supply and Erection of IPS extruded standard Alluminium Tubular Pipe Bus of reputed company of 1.5" dia( Material Gr. 63401 Al. alloy with W.P.range2) OD= 48.26 mm ID= 40.894 mm, Wall thickness 3.69 mm Wt= 1.396 kg/m. Cuttent rating =1160 A. Manufaturer's Test Report to be submitted.

Supply & Installation of Rigid type Extruded Aluminium connector PAD to Panther (Sample to be approved by the Site Engineer)

Supply & Installation of Rigid type Extruded Aluminium connector PAD to 1.5" IPS Al tube (Sample to be approved by the Site Engineer)

Supply & Installation of Clamp type connector LA pad to ACSR Panther (Sample to be approved by the Site Engineer)

Supply & Installation of Clamp type connector LA pad to ACSR DOG (Sample to be approved by the Site Engineer)

Supply & Installation of Bus Support clamp Extruded Aluminium connector for 1.5" IPS Al tube (Sample to be approved by the Site Engineer)

Supply & Installation of Bi metalic connector PTR HT stud to Panther (Sample to be approved by the Site Engineer)

Supply & Installation of Bi metalic connector PTR LT stud to Panther (Sample to be approved by the Site Engineer)

33kV Switchgear Panels

Loading Unloading & Transport of 33kV Indoor type Breaker Panel ( 2IC+2 TRF+2 BUS PT +1BC+ 1 RISER+ 1 SS TRF+1 OG)from Barasat Divisional store , Anantapur and lifting of the same at First floor of Control Room Building

Installation and commissioning of 33kV Indoor type Breaker ( 2IC+2 TRF+2 BUS PT +1BC+ 1 RISER+ 1 SS TRF+1 OG)on concrete floor by grouting 75×40×6 mm G.I. Channel and cutting of concrete base in control room including making necessary connections of Power & Control Cables(Base MS Channel / Angle/ Flat will be supplied by the agency)

Unloading, placement, erection & commissioning of RTCC Panels for PTR

Erection and commissioning of 33 KV Indoor type, CR Panel for indoor type VCB on concrete floor by grouting 75×40×6 mm G.I. Channel and cutting of concrete base in control room including necessary connection with Relays, Metering/ Measurements equipments etc. with supply and fixing of Gland, Ferrules, PVC Tape and Sockets etc.(Only CR Panel & Control Cable will be supplied by WBSEDCL)

11 kV Switchgear Panels

Transport of 11 KV Switch gear panels from Barasat Divisional store , Anantapur to Site

Unloading, lifting of 11 KV Switch gear panels (2IC+1BC+8OG) from Ground Floor to 2nd Floor using ceiling and chain pulley/ other suitable arrangement, placement over floor cut out positions and commissioning of 11kV Incomer Panels at first floor of new CRB with necessary connections of power and control cables

Battery & Battery Charger

Installation, initial charging( by authorised agency), cabling, interconnection cabling and commissioning of 30V, 100 AH Pb Acid battery on battery stand made of teak wood duly painted with anti rusting paint, battery insulators, inter-battery wiring using 30 sqmm copper single core multi strand cable, terminal connectors, & all other accessories and connectors as per approved drawings of WBSEDCL, technical specifications and scope of the work,(2V X 15 nos Battery and Battery Rack will be supplied by WBSEDCL).

Erection & commisioning of 30 V, 75 AH Battery Charger with necessary connection including supply and fixing of Gland, Ferrules, PVC Tape and Sockets etc. (only 30V, 75AH Battery Charger will be supplied by WBSEDCL).

AC Distribution

Erection of new AC Distribution Panel with all connections and commissioning of the same at new CRB at its designated location

Erection of 0.4 KV AC distribution box with necessary connection drawn from Station Service Transformer at the suitable place of switch yard as per direction of site Engineer.(Supply to be done by agency)

DC Distribution

Erection of new DC Distribution Board with all connections and commissioning of the same at new CRB at its designated location

Erection of Earthing complete as per TS (All materials excluding MS Flat for Earth Mat will be supplied by the contractor)

Laying of GI flat ( 65 x 6 mm) on insulated support inside the cable trenches followed by lap jointing (125 mm lapping of each piece with other) by electric welding. Tag welding shall be done by continous process. Application of zinc chromate paint shall be done on welded portion immediately after jointing.

Drawal of earth riser alongwith connection by 50 x 6 mm G.I. flat from the earth mat to each of the yard structures and power equipments like power transformer,VCB,CT etc by electric welding. Tag welding shall be done by continous process. Application of zinc chromate paint shall be done on welded portion immediately after jointing.

Construction of inspection pit of 400 x 400 x 400 mm size (inside measurement )with 250 mm thick brick work in cement mortar(1:4),12 mm thick cement plaster (4:1) in the inter wall surface and upto 150 mm below the ground level of the outer surface .The pit shall be covered with precast RCC slab 50 mm thick (4:2:1) reinforced with 10 mm dia G.I rod @ 100 mm centre -to- centre both ways including lifting lugs of 10 mm dia G.I rod at the middle of the slab with the proper finish of all slab on all sides.(cement , brick, slab etc Civil items will be supplied by the contractor)

Neutral point earthing arrangement of PTRs/Station Service by 3mtr long 50mm dia having conical shape at the bottom with 12mm perforation on the body of the pipe applying salt and charcoal at the alternate layer along the GI pipe and connection with existing earth mat (Charcoal, salt and GI pipe will be supplied by agency)

Formation of earth mat as per approved design with supply & erection of 65x8 M.S. Flat(MS Flat will be supplied by WBSEDCL) (excavation of soil included)

Drawing of earth lead with 50 x 6 mm G.I flat for earthing of equipment installed inside control room building and connection arrangement from earth bus to equipment by tag welding with necessary painting of earthing bus joints.

33kV Power Cable Laying

Laying of single XLPE 3C-400sqmm 33kV Grade Cable in cable trench

Making necessary complete connections alongwith assistance in indoor termination jointing of 3C-400sqmm XLPE cable at each indoor panel/switch gear installed at Ground Floor of newly constructed CRB

Assistance of End Termination Joint Outdoor type for3CX400sqmm 33kV XLPE Cable

Hanging/raising of the incoming 33kV 3C-400sqmm XLPE Cable from its existing location at the newly constructed cable trenches on cable rack/trays after lifing it from its existing location so as to complete the laying work including the riser part, elevated trench and floor cut out part.

11kV Power Cable Laying

Laying of 11kV 3C-300sqmm XLPE cable inside cable trench

Laying of 11kV 3C-185sqmm XLPE cable inside cable trench

Supply of GI Pipe of 150 mm Dia (Make: Tata/Jindal) for aiding the riser portion of the 11kV Cables from Ground Floor to First Floor (3Mtr for each cable)

Erection of GI Pipe at the rear side wall of the CRB using GI Flats to facilitate the riser part of the cable. One rubber gaskit of size 5mm thick and 65mm wide is to be fixed within the GI Pipe and GI Clamp for better gripping between the pipe and clamp

Fabrication of GI Clamps with locking and tightening mechanism using GI Flat 65x6mm (4nos Clamps per pipe,all materials to be supplied by the agency)

Fixing of GI Clamps(as above) at the rear-side wall of new CRB with 4" Fast Nuts (All fixing materials like Gutka, fast nuts etc are to be supplied by the contractor)

Hanging/raising of the incoming 11kV 3C-300sqmm XLPE Cable from its existing location at the newly constructed cable trenches on cable rack/trays after lifing it from its existing location so as to complete the laying work including the riser part, elevated trench and floor cut out part.

Hanging/raising of the Outgoing 11kV 3C-185sqmm XLPE Cable from its existing location at the newly constructed cable trenches on cable rack/trays after lifing it from its existing location so as to complete the laying work including the riser part, elevated trench and floor cut out part.

Assistance of End Termination I/D Type of 3C-300 sqmm XLPE Cable

Assistance of End Termination I/D Type of 3C-185 sqmm XLPE Cable

Assistance of End Termination O/D Type of 3C-300 sqmm XLPE Cable

Assistance of End Termination O/D Type of 3C-185 sqmm XLPE Cable

Laying of single XLPE 3C-185sqmm cable across the main road by means of MICRO-TUNNELLING for facilitation of evacuation of 2 nos Outgoing feeders

Laying of single XLPE 3C-185sqmm cable by formation of excavated cable trench,filling of sand & Bricks for facilitation of evacuation of Outgoing feeders

ELEVATED CABLE RACK (as per IS: 4759 and zinc coating shall not be less than 610 gm per sq. meter for all structural steel members in Hot Dip Galvanization Method)

Supply, fabrication, erection and fixing of lead support using GI 100x50 MS Channel which are to be fixed by welding on both ends at the dropping plates from roof as erected from Civil Wing.

Supply, fabrication, erection and fixing of cross supports using GI 65x65x6 Angle of length 0.8m each and welded at both ends at intervals of 0.5m

Supply, fabrication, erection and fixing of base plates fabricated from GI 25x3mm flats of size 0.8m x 0.5m fixed by welding in such a way so as to form a mesh having square gaps of 50mm between the members. These plates shall be placed on the cable rack within the channel & angle support to provide flooring to the power cables.

Supply, fabrication, erection and fixing of cover plates using perforated GI sheet metal of size 1000mm x 750mm and 3mm thickness for covering the elevated cable trench. Diameter of the perforation should not exceed 3mm and the gap between two perforations should not be less than 30mm.

Fixing of Cover plates to the elevated cable rack by using 3/8"x1" MS Nuts and Bolts at intevals of 250mm directly to the dropping plates and MS Channel.

Design, Supply , fabrication & erection of GI Structure (Angle, Channel, Flat of any size) along with Nut bolt, washers etc. for formation of ramp structure for sliding 33KV/11KV XLPE Cables in cable spreader room

Supply and Erection of Hot Dip GI perforated cable tray 250mm X 100mm X 1.6mm for Control cable

Supply and Erection of Hot Dip GI tray cover 250mm X 15mm X 1mm for cable tray for Control cable

Laying and commissioning of Control Cables in cable trench / pipes / underground / overhead (By Cable tray) laying including their termination at indoor/outdoor terminals including supply of glands, lugs, cable ties, tagging etc as required as per Technical Specification, approved Drawing of WBSEDCL & Scope of works

4 c x 2.5 sq.mm Copper Control Cable

8 c x 2.5 sq.mm Copper Control Cable

12 c x 2.5 sq.mm Copper Control Cable

Laying, testing and commissioning of LT Power Cables in cable trench/ pipes/underground/overhead(By Cable tray) laying including their termination at indoor/outdoor terminals including supply of glands, lugs, cable ties, tagging etc as required as per Technical Specification, approved Drawing of WBSEDCL & Scope of works

PVC 4C-120sqmm Al Cable

STATION SERVICE TRANSFORMER

Erection of Double Pole Structure complete on 8 mtr PCC Pole with all fittings and foundation including isolator,insulator and other accessories (All materials except isolator,insulators ,conductor & pole will be supplied by the agency)

Supply, fabrication and erection of Gaivanized Iron Structures for Station Service DP(as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members in Hot Dip Galvanization Method)

Erection and Commissioning of 100kVA 33/0.433kV Station Service Transformer at the newly constructed plinth/DP Structure

Connection of LT Power Cable at LV Side of the Station Service Transformer with supply of suitable connectors,sockets etc.

11 kV Outgoing feeders ISOLATORS

Ercetion of Rail pole (12.8 Mtr)/H-Beam Pole (including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete with painting of Rail Pole(1 coat red oxide & 2 coat Alluminium paint of reputed company including supply of paint ).

Ercetion of 9 mtr PCC Pole (including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete

Fabrication & erection of Iron materials complete (Top channel, X-bracing, pole clamps, CG bracket etc.)

Erection of 100 sq.mm ACSR Conductor including Hoisting, stringing, jointing, sagging, tensioning & route clearance (3-Wire)

Supply of GI Pipe of 150 mm Dia (Make: Tata/Jindal) for aiding the riser portion of the 11kV Cables at each Isolator DP (3M for each cable)

Fixing of Pin Insulator

Fixing of Disc Insulator

Fixing of TPGO Isolator 400A on DP Structure

Stringing and Sagging of ACSR 100sqmm including Hoisting, stringing, jointing, sagging, tensioning & route clearance (3-Wire)

Fixing of Caution Board

Earthing of Each Pole of Isolator DP using GI Earth Spike and GI Wire 5mm

Erection of HT Stay Set for the Isolator Structures

Galvanisation of fabricated MS Channel, Angle, Flat etc. (as per IS:4759 and zinc coating shall not be less than 610gm/sq. meter for all structural steel members) in Hot Dip Galvanising Method.

Illumination of Sub-station yard

Ercetion of Rail pole (12.8 Mtr)/H-Beam Pole (including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete with painting of Rail Pole(1 coat red oxide & 2 coat Alluminium paint of reputed company including supply of paint ).

Supply of 150 Watt LED Flood Light for switchyard illumination with specification Make Phillips/Havels (i) Wattage -150 W LED (ii) Lumen- Greater than equal to 90 Lumen/watt (iii)Weather proof rating - Greater than or equal to IP65 (iv)Input supply voltage-100-270 V, 50Hz, AC (v)Surge voltage withstand capacity- Greater than or equal to 4 KV (vi) LM 79 certification required. (vii) Factory test report according to IS specification.

Supply of LED 250 Watt Flood Light for switchyard illumination with specification Make Phillips/Havels (i) Wattage -250 W LED (ii) Lumen- Greater than equal to 90 Lumen/watt (iii)Weather proof rating - Greater than or equal to IP65 (iv)Input supply voltage-100-270 V, 50Hz, AC (v)Surge voltage withstand capacity- Greater than or equal to 4 KV (vi) LM 79 certification required. (vii) Factory test report according to IS specification.

Erection & commisioning of external electrification work of Sub-station by LED flood light 150W/250W fitting with necessary mounting arrangement on existing pole/structure/control room roof/wall

Supply & Erection of 1.1 kV grade 2 core 6 sqmm "FR" PVC insulated copper wire (brand approved by EIC) with necessary hanging arrangement.

Supply & Erection of PVC pipe of suitable size

Installation of Shielding Wire

Ercetion of Rail pole (12.8 Mtr) / H-Beam Pole (including 450x100 mm thick cement concrete (1:3:6) base block below Pole and hard jhama metal cement concrete (1:2:4) with 0.30 mtr. Muffing above ground level including neat cemented finish with supply of all items.) along with fittings complete with painting of Rail Pole (1 coat red oxide & 2 coat Alluminium paint of reputed company including supply of paint ).

Drawal of Shielding wire by 50sqmm ACSR

Stay arrangement Complete for 12.8Mtr Rail Pole as per direction of the Site Engineer

GHOSH ENGINEERING

Zenith Enterprise

MUKHERJEE ENTERPRISE