RMBRO/E/BH/SYS/IPDS/18-19/26

Amount

Erection of 4-pole H.L. structure on 9 mtr. long P.C.C. pole (erection of pole shall not less than 2500mm) with all fittings ( P.C.C. pole & raw irons will be supplied by WBSEDCL but all nut and bolt to be supplied by agency must be galvanized; steel structure must be galvanized as directed in point no 25) and complete foundation by CC 1:2:4 but without any insulator, as per standard drawings ,including painting (two coat primer and two coat acryalic painting after which 'IPDS' to be mentioned in yellow ink) as instruction of site engineer of WBSEDCL

33 KV H.L. Gantry-cum Isolator with LA support structure( Ref. Drg. No.- RE/SS/39)

33 KV H.L. Isolator support structure. (Ref. Drg. No.- RE/SS/34) ( with 9 mtr pcc pole )

33 KV H.L. Bus support structure. (Ref. Drg. No.- RE/SS/34) ( with 9 mtr pcc pole )

Erection of 4-pole L.L. structure on 9 mtr. long P.C.C. pole (erection of pole shall not less than 3500mm) with all fittings ( P.C.C. pole & raw irons will be supplied by WBSEDCL but all nut and bolt to be supplied by agecy must be galvanized; steel structure must be galvanized as directed in point no 25) and complete foundation by CC 1:2:4 but without any insulator, as per standard drawings ,including painting (two coat primer and two coat acryalic painting after which 'IPDS' to be mentioned in yellow ink) as instruction of site engineer of WBSEDCL

33 KV L.L. Isolator support structure(Ref. Drg. No.- RE/SS/41)

33 KV L.L. End Isolator support structure( Ref. Drg. No.- RE/SS/38)

Erection of Double pole (D.P.) structure for L.A. & Fuse on 9 mtr. long P.C.C. pole(erection of pole shall not less than 3500mm) with all fittings ( P.C.C. pole & raw irons will be supplied by WBSEDCL but all nut and bolt to be supplied by agecy must be galvanized; steel structure must be galvanized as directed in point no 25) and complete foundation by CC 1:2:4 but without any insulator (Ref. Drg. No.- PLN(D)/SS/10).,including painting (two coat primer and two coat acryalic painting after which 'IPDS' to be mentioned in yellow ink) as instruction of site engineer of WBSEDCL

Fabrication and erection of LT cable end box supporting frame work on civil foundation (to be constructed under separate order) by GI Chanel, Angle and Flat ( MS irons will be supplied by WBSEDCL ; nut and bolt to be supplied by agency must be galvanized; steel structure must be galvanized as directed in point no 25) complete with all fabrication for terminal arrangement for Station Service Transformer (Ref. Drg. No.- RE/SS/11)

Fabrication and erection of 11 KV cable end box supporting frame work on civil foundation(to be constructed under separate order) by GI Chanel, Angle and Flat ( MS irons will be supplied by WBSEDCL ; nut and bolt to be supplied by agency must be galvanized; steel structure must be galvanized as directed in point no 25) complete with all fabrication for terminal arrangement of 33/11 KV, 10 MVA Power Transformers (Ref. Drg. No.- PLN(D)/SS/85)

Erection of single H-beam pole of 13 mtr. long with complete foundation and fittings ( poles & MS irons to be supplied by WBSEDCL; nut and bolt to be supplied by agency must be galvanized; steel structure must be galvanized as directed in point no 25) as per approved drawings, including painting (two coat steel primer and two coat best quality synthetic enamel painting after which 'IPDS' to be mentioned in yellow ink including smoothening surface by sand papering) as instruction of site engineer of WBSEDCL

Erection of 13 mtr long H-Beam Four pole with complete foundation and fittng by GI channel, angle and flat ( poles & MS irons to be supplied by WBSEDCL; nut and bolt to be supplied by agency must be galvanized ; steel structure must be galvanized as directed in point no 25) but without any Insulator including painting (two coat steel primer and two coat best quality synthetic enamel painting after which 'IPDS' to be mentioned in yellow ink including smoothening surface by sand papering) as instruction of site engineer of WBSEDCL

fixing 33 KV polymer Disc insulator 70 KN along with suitable hardware fittings (tension type for Fourpole)

fixing 33 KV polymer Disc insulator 70 KN along with supply and fixing of suitable hardware fittings (Compression type for Bus conductor)

fixing 33 KV Polymer 10 KN Pin Insulators

fixing of 11 KV Polymer, Pin Insulators 5 KN

Erection of 36kV, 630A, 28.8kA for 3 seconds, 3-ph double break center rotating type (DBCR), Gang Operated, isolator along with fixing of support post insulators, Operating Mechanism, Base Channel, Down Pipe and all required accessories complete, as per standard drawings and instruction of site engineer of WBSEDCL

With ES (HL)

Without ES(LL)

Without Any Attachment(HL)

Supply and Erection of CT structure on civil foundation(to be constructed under separate order) and fixing of CT on it including supply and fixing of CT burden box(specification of Burden Box is attached in NIT) for each set, of any reputed make as per drawing No-PLN(D)SS/57 and as per instruction of Site engineer of WBSEDCL

Supply and Erection of PT structure on civil foundation(to be constructed under separate order) and fixing of PT on it including supply and fixing of PT burden box(specification of Burden Box is attached in NIT) for each set, of any reputed make as per drawing No-PLN(D)SS/57 and as per instruction of Site engineer of WBSEDCL

Erection of support structure on civil foundation(to be constructed under separate order) of 36 KV, 1250 A, 31.5 KA for 3 sec, 3 phase Outdoor type SCADA compatible Vacuum Circuit Breaker of any reputed make and installation of Vacuum Circuit Breaker on structure as per standard drawings and instruction of site engineer of WBSEDCL

Erection of 100 KVA 33/0.4 KV,3 ph, 50 Hz, ONAN, Cu.Wound CRGO core outdoor type Distribution Transformer(station service Transformer) on civil foundation(to be constructed under separate order) including supply of proper bi-metallic lugs(for HT &LT side bushing)as per approved drawings and instruction of site engineer of WBSEDCL

Drawl of Bus Conductor and fixing of droppers/connctors/lugs including jumpers to various equipment using 11 KV and 33 KV insulators, GI Pin, GI Hardware fittings, PG Clamps, T-connectors, PAD connctors(all PGclamps, T connctor, PAD connctors, CT/PT connctors to be supplied by agency) etc as per standard drawings and instruction of site engineer of WBSEDCL

Stringing and sagging of Wolf conductor (3Wire) from 13mtr four pole structure(to be erected as per point no 7) to Gantry structure (to be erected as per point no 1.1)

Making and installation of 33KV Horn gap fuse unit, jumpering from bus bar, hardware etc, as per standard drawings and instruction of site engineer of WBSEDCL (3 Nos. HG fuse=1Set)

Erection of 42kV, 1-ph Station Class Lightening Arresters in Gantry cum LA support four pole structure and connection with Dog conductor from Wolf conductor by suitable connectors and lugs(all connectors/lugs to be supplied by Agency) neatly, as per approved drawings and instruction of site engineer of WBSEDCL (1set-3nos)

Erection of 42kV, 1-ph Station Class Lightening Arresters in Fuse cum LA support Duble pole structure and connection with Dog conductor from panther conductor by suitable connectors and lugs(all connectors/lugs to be supplied by Agency) neatly,as per approved drawings and instruction of site engineer of WBSEDCL (1set-3nos)

Fixing of 12kV, 1-ph Station Class Lightening Arrester on 11KV cable box support, and jumpering from 11KV bus conductor(must be ACSR panther) by ACSR Dog by suitable connectors and lugs(all connectors/lugs to be supplied by Agency) neatly, as per approved drawings and instruction of site engineer of WBSEDCL(1set-3nos)

Installation of sheilding arrangement by drawl 50 sqmm. ACSR conductor, fixing of inverted earthspike on 13 m long shielding pole(to be erected under Sl no 6)

Erection of HT Stay set complete for drawl Shielding conductor

GALVANIZATION of structural steel material for above work (supplied by WBSEDCL).All structural steel members shall be galvanized after fabrication as per IS:4759 ( zinc coating shall not be less than 610gm/sq. meter)

Ghosh Construction Co.

M/S UTTAM KUMAR CHATTERJEE