2nd Call for Augmentation of KSM 33/11 kV Substation including erection of new 33kV bay and other allied works at Kalyani Spinning Mill Complex under Habra Division, District North 24 Parganas.

Amount

Gantry & 4 Pole structures( 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.)

Erection of four pole Gantry cum Isolator Structure along with 33kV cable raising on support and LA arrangement including 8 mtr PCC pole with foundation (PCC Pole will be supplied by the WBSEDCL) along with fittings complete with Insulators & other accessories (ref drg: RE/SS/39) except fittings of structures and 33 kV 400A H.L. CR Type isolator

Supply, fabrication and erection of Gaivanized Iron Structures as per drg no. RE/SS/39(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 four pole H.L. Structure including 8 mtr PCC pole with foundation (PCC Pole will be supplied by the WBSEDCL) along with fittings complete with Insulators & other accessories (ref drg: RE/SS/34) except fittings of structures and 33 kV 400A H.L. CR Type isolator

Supply, fabrication and erection of Gaivanized Iron Structures as per drg no. RE/SS/34(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 four pole L.L. Structure including 8 mtr PCC pole with foundation (PCC Pole will be supplied by the WBSEDCL) along with fittings complete with Insulators & other accessories (ref drg: RE/SS/41) except fittings of structures and 33 kV 400A L.L. CR Type isolator

Supply, fabrication and erection of Gaivanized Iron Structures as per drg no. RE/SS/41(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 four pole L.L.End Bus support Structure including 8 mtr PCC pole with foundation (PCC Pole will be supplied by the WBSEDCL) along with fittings complete with Insulators & other accessories (ref drg: RE/SS/38) except fittings of structures

Supply, fabrication and erection of Gaivanized Iron Structures as per drg no. RE/SS/38(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)

33 KV Current Transformer

Erection and commissioning of 33 KV Current Transformer on existing structure and Necessary Connection with ACSR 200 sq mm conductor with supply & erection of water proof hinge door junction box of good quality SMC and Compression type Al connectors at both end of CTs with Bi-metalic Plate (CTs 400-200/1A 2C = 2C/200-100/1A 3C & ACSR 200sq mm will be supplied by WBSEDCL) (03 NOS CT =01 SET )

33 KV Potential Transformer

Erection and commissioning of 33 KV Potential Transformer on on existing structure and Necessary Connection with ACSR 200 sq mm conductor with supply & erection of water proof hinge door junction box of good quality SMC and Compression type Al connectors of PTs with Bi-Metalic Plate,pin insulator (PT,Insulator & ACSR 200sq mm conductor will be supplied by WBSEDCL) ( 03 NOS PT =01 SET)

33 KV VCB

Erection and commissioning of 33 KV VCB along with its structure(with assembling) on existing foundation with proper alignment, and connection with ACSR 200 sq mm conductor and Compression type Al connectors with Bi-Metalic Plate ( VCB & ACSR 200sq mm conductor will be supplied by WBSEDCL)

33 KV Indoor type, SCADA compatible Control and Relay Panel

Erection and commissioning of 33 KV Indoor type, SCADA compatible Control and Relay Panel for individual control of Power Transformer with Differential & Feeder on concrete floor by grouting 75×40×6 mm G.I. Channel (to be supplied by the agency) 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 for PTR will be supplied by WBSEDCL)

RTCC Panel

Erection and commissioning of RTCC Panel on concrete floor by grouting 75×40×6 mm G.I. Channel (to be supplied by the agency) and cutting of concrete base in control room and connect in all aspect with 33/11 KV, 10 MVA Power Transformer including necessary connection by supply and fixing of Gland, Ferrules, PVC Tape, Sockets etc. (Only RTCC Panel will be supplied by WBSEDCL)

Erection and commissioning of SCADA compatible 11 KV VCB with switchgear inside the control room with proper alignment making base by grouting 100x50x6 mm G.I. Channel ( to be supplied by the agency)and cutting of concrete base in control room including necessary connection with power cable(for INCOMING AND OUTGOING FEEDER), Relays, Metering/ Measurements equipments etc. with supply and fixing of Gland, Ferrules, PVC Tape,Ampere Tape and Sockets etc ( Only11 KV VCB will be supplied by WBSEDCL).

INCOMER

OUTGOING

BUS COUPLER & ADAPTER

42KV Lightning Arrestor

Erection of 42KV Lightning Arrestor on existing Structure and necessary connection with ACSR 200 sq mm conductor with connectors( 03 NOS LA =01 SET )

33KV CR-type, 400amps isolator

Fixing of 33KV CR-type, 400amps isolator (HL Isolater will be supplied by WBSEDCL) along with fixing of isolator handle and associated parts with proper adjustment for smooth operation with necessary connection as per instruction of site engineer.

Fixing of 33KV CR-type, 400amps isolator (LL Isolater will be supplied by WBSEDCL) along with fixing of isolator handle and associated parts with proper adjustment for smooth operation with necessary connection as per instruction of site engineer.

Pipe bus/Panther Bus

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 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)

Erection of Panther Bus (3 wire) including laying,hoisting, jointing etc and fixing of 33 kV Disc insulator

Making of compression joint for ACSR Panther

12 KV Lightning Arrestor

Erection of 12 KV Lightning Arrestor on existing Cable end box support frame for (PTR=02 Nos) and connection with ACSR 200 Sq.mm with Compression type Al connectors (12 KV Lightning Arrestors & ACSR 200 Sq.mm will be supplied by WBSEDCL).( 03 NOS LA =01 SET )

Supply & Erection of Lattice G.I. structure for electrical equipments etc. all complete as per approved drawing, Specification and direction of the Engineer (drawing supplied by WBSEDCL). ( galvanizing 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.)

33 kV CT/PT Structure (Ref drg: PLN(D)/SS/57)

11 kV Cable support end structure with LA (Ref drg: PLN(D)/SS/11)

Laying of Control Cables in cable trench/ pipes/underground/overhead(with fixing of 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 Core 2.5 sqmm armored, stranded copper conductor, PVC insulated and PVC sheathed cable

8 Core 2.5 sqmm armored, stranded copper conductor, PVC insulated and PVC sheathed cable

12 Core 2.5 sqmm armored, stranded copper conductor, PVC insulated and PVC sheathed cable

Laying/Relaying,Dressing, testing and commissioning of power Cables in cable trench(excavated/pucca with laying the slab)/ pipes/underground/overhead/ terminal structure including their all necessary connection at indoor/outdoor with supply of Glands, Lugs, Ferrules, Tags etc. and Crimping Socket etc. (XLPE/PVC cable will be supplied by WBSEDCL)

Assistance in cable jointing with providing necessary manpower & other support

XLPE 11 KV 300/400 SQ MM UG CABLE

Erection of Earthing complete as per TS (All materials including G.I. Flat will be supplied by the contractor)

Laying of G.I. 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 75x8 G.I. Flat (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 such as 11kV VCB, RTCC panel, CR panel, Battery charger etc by tag welding with necessary painting of earthing bus joints.

Installation of Shielding Wire & Illumination of Sub-station yard

Ercetion of Rail pole (12.8 Mtr) 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( 1 wire)

Staying of 12.8Mtr Rail Pole Complete with necessary arrangement as per direction of the Site Engineer

Earthing complete with Earth Spike, GI wire-5 mm etc as per TS/Drawing.

Installation of LED flood light 400W fitting with necessary mounting arrangement on existing pole/structure/control room roof/wall

Supply & Erection of 1.1 kV grade 4 core 6 sqmm "FR" PVC insulated copper wire (brand approved by EIC) with necessary hanging arrangement.

Supply & Erection of PVC pipe of suitable size

K. P. CONSTRUCTION

GHOSH ENGINEERING

Zenith Enterprise

MUKHERJEE ENTERPRISE