OESC Building work

Amount

CABLING SYSTEM: Supply,Laying, installation and dressing of 6.6kV rated, Al conductor, XLPE insulated, FRLS PVC (ST2) inner and outer sheathed, GI wire/ strip armoured power cables along with wooden cable drums as specified in scope of work

Supply of 3Cx185 sqmm armoured cable

Laying and dressing of 3Cx185 sqmm armoured cable Buried in soil/ Cable tray

Supply, Laying, installation and dressing of following sizes of 1100V rated, Al/Cu conductor, XLPE insulated, FRLS PVC (ST2) inner and outer sheathed power cables along with steel/ wooden cable drums as specified in scope of work

Supply of 3.5Cx400 sq.mm Aluminium conductor, armoured cable (GI armour) in steel cable drum (It is preferred that each drum length contains 600M length of cable.)

Supply of 3.5Cx400 sq.mm Aluminium conductor armoured cable (GI armour) in wooden cable drum

Laying and dressing of 3.5Cx400, Al, Armoured – Buried in soil/ cable tray

Laying and dressing of 3.5Cx400, Al, Armoured – Buried in soil/ cable tray

Supply, Laying, installation and dressing of 1100V rated, Cu conductor, PVC (Type-A) insulated, Overall screened, FRLS PVC (ST1) inner and outer sheathed, GI armoured control cables along with wooden cable drums as specified in scope of work

Supply of 7Cx2.5 sq.mm

Laying, installation and dressing of 7Cx2.5 sq.mm

Supply and Installation of medium duty GI pipes/ heavy duty ERW Rigid Conduits for routing cables from cable trays to Distribution Boards or to various field equipment or between equipment as as specified in scope of work

Supply of 40 mm Dia Pipe

Installation of 40 mm Dia Pipe

supply, Termination and connection of HT power cables at both ends by providing cable glands, lugs, ferrules, clamps, hardwares, termination kit etc., and drilling of gland plates, installation of cable gland, crimping of lugs, earthing of armour/ screen for termination of 3Cx185 sqmm, Al, armoured cables (Source end & load end considered separately)

Supply , Termination/ connection of cable glands for the following 415 V power cables

Supply of cable glands for 3.5Cx400, Al, Armoured

Termination/ connection by providing lugs, ferrules, clamps, hardware etc., and drilling of gland plates, installation of cable gland and crimping of lugs (Source end & load end considered separately) for 3.5Cx400, Al, Armoured

Supply, Termination/ connection of cable glands for the following control cables

Supply of cable glands for 7Cx2.5 sq.mm

Termination/ connection of control cables at both ends by providing lugs, ferrules, clamps, hardware etc., and drilling of gland plates,installation of cable gland and crimping of lugs for termination of following cables (Source end & load end considered separately) for 7Cx2.5 sq.mm

Supply of 50/5A/5A, resin casted current transformer of following rating: a) Core-1: CL 5P20, 15VA b) Core-2: CL 1.0, ISF<=5, 10VA

Removal of existing current transformer in existing 6.6kV switchgear feeder for PMCC supply and handing it to Purchaser for depositing it in his O&M stores. Installation & mounting of supplied 50/5A/5A CT in place of existing CT and connection of it in 6.6kV switchgear feeder control scheme.

Modification of 6.6kV switchgear feeder control scheme as per the attached tender drawing including supply and installation of any component/ item required for completion of scheme and connection of interlock control cables from auxiliary transformer and PMCC panel

EQUIPMENT EARTHING SYSTEM: Supply and Installation of GI earthing flat (Hot dip galvanised) for connecting equipment earthing terminal to nearest earthing pads including welding/ bolting of earthing flat to equipment earthing studs/ terminals, welding of earthing flat to earthing pad/ earth riser, applying cold galvanizing paint over welded surface, making chase in the floor, grouting the chased area of the floor, hardware, bi-metallic connector etc., as required shall be supplied and installed for following size

Supply of 50x6 mm. GI flat

Installation of 50x6 mm. GI flat

Supply and Installation of Galvanized steel conductor (Hot dip galvanised) to be run along cable pans/ trays including supply and installation all required hardware for fixing of this GS strip to cable pans/ trays for following size as per scope of work

Supply of 25 X 6 mm Galvanized steel earth continuity conductor to be run along cable pans/ trays

Installation of 25 X 6 mm Galvanized steel earth continuity conductor to be run along cable pans/ trays

GROUND EARTH MAT: Supply and Installation of MS earthing conductors of following sizes

Supply of MS earthing conductors of following sizes

40MM dia, 3.5M long MS earth electrode with tapering at one end

40MM dia, MS ground conductor

Installation of MS earthing conductors of following sizes by driving the earth electrode in soil and taking out riser from the same for connection to auxiliary transformer neutral, tank and marshalling box earthing, laying of horizontal earthing conductor buried in soil at a depth of 800mm, interconnection of vertical earth electrode with horizontal earthing conductor, horizontal earthing conductor with station earth mat and taking out risers from the same etc. All welding, consumables, hardware, excavation of soil, backfilling of soil etc. required for the same is included in the scope of this installation

40MM dia, 3.5M long MS earth electrode with tapering at one end

40MM dia, MS ground conductor

Supply and Installation of 6.6kV/433V, 500kVA rated, type tested oil filled Auxiliary Transformers

Design, Engineering, Procurement, Manufacture, Quality assurance, type, routine and acceptance tests, fabrication, documentation, coordination, inspection, testing at works, packaging, forwarding, supply, safe delivery at site, unloading at site, storage, handling, transportation from storage to erection site of 6.6kV/433V, 500kVA rated, type tested oil filled Auxiliary Transformers including all accessories, conforming to the specification

Site works (Erection, preparation of area/ EP where the equipment is to be installed, installation, carrying out pre-commissioning checks, Testing and commissioning including storage, handling, loading/unloading, transportation at site, storage-cum-erection Insurance etc. and handing over) of 6.6kV/433V, 500kVA rated, oil filled Auxiliary Transformers including all accessories including supply and installation of Embedded parts (wherever required), anchor fasteners, base frames, mounting brackets, support structures, accessories, insulating mats, hardwares etc. (as required) along with necessary welding drilling, painting etc. of different modules conforming to requirement of tender specification and drawings

Supply and Installation of 415V PMCC panels

Design, Engineering, Procurement, Manufacture, Quality assurance, type, routine and acceptance tests, fabrication, documentation, coordination, inspection, testing at works, packaging, forwarding, supply, safe delivery at site, unloading at site, storage, handling, transportation from storage to erection site of 415V PMCC panels including all accessories, conforming to specification and drawings.

Site works (Erection, preparation of area/ EP where the equipment is to be installed, installation, carrying out pre-commissioning checks, Testing and commissioning including storage, handling, loading/unloading, transportation at site, storage-cum-erection Insurance etc. and handing over) of 415V PMCC panel including all accessories including supply and installation of Embedded parts (wherever required), anchor fasteners, base frames, accessories, insulating mats, hardwares etc. (as required) along with necessary welding drilling, painting etc. of different modules conforming to requirement of tender specification and drawings

Supply and installation of pre-fabricated galvanized structural steel members for supporting of equipment/ components/cable tray supports

Supply of required pre-fabricated galvanized structural steel members for supporting of equipment/ components/cable tray supports for incomer cable route wherever the requirement is there

Installation of the above pre-fabricated galvanized structural steel members for supporting of equipment/ components/ cable tray supports for incomer cable route including all necessary works like cutting, drilling, painting, fabrication, welding, bolting, all hardware for fixing etc.

Design, Engineering, Procurement, Manufacture, Quality assurance, routine and acceptance tests, packing & forwarding, transportation and safe delivery to site of following type tested Cable Trays and Accessories including all accessories, conforming to requirement of tender specifications and drawings

Cable tray Straight piece and Cable tray accessories for sizes 150W X 100H, 300W X 100H, 450W X 100H, 600W X 100H as per requirement and scope of work

Ladder type straight piece and accessories without cover

Solid type straight piece and accessories with cover

Installation of cable trays and accessories including special parts, covers as detailed in drawings and specification including supply & installation of coupler plates, fixing hardwares for coupler plates/ cable trays/ tray accessories, identification paint etc. Note: The Installation charges shall include supply of coupler plates, L clamps, strip clamps and hardware etc as required for installation of cable tray.

Cable tray and accessories of sizes 150W X 100H, 300W X 100H, 450W X 100H, 600W X 100H as per requirement and scope of work

Ladder type without cover

Solid type with cover

Design, Engineering, Procurement, Manufacture, Quality assurance, routine and acceptance testing, packing & forwarding, transportation and safe delivery to site of following type tested items required for cable tray support structure including all accessories, conforming to requirement of tender specifications and drawings

Supply and installation of following pre-fabricated and galvanized cable tray supporting structure materials as required for laying of cable tray of variable sizes

Supply of following pre-fabricated and galvanized cable tray supporting structure materials , hardwares and as applicable and required for laying of cable tray of variable sizes as per above requirement .

Installation of pre-fabricated and galvanized cable tray supporting structure materials as required for laying of cable tray of variable sizes as per above requirement.

Supply and Installation of seismically qualified under-cut anchor fasteners of reputed make like M/s Hilti/ Fischer with anchor length suitable for fixing any thickness of plate commensurate with required equipment loading

Supply of following sizes of seismically qualified under-cut anchor fasteners of reputed make like M/s Hilti/ Fischer with anchor length suitable for fixing any thickness of plate commensurate with required equipment loading:

M12 anchor bolts

M16 anchor bolts

M20 anchor bolts

M24 anchor bolts

Installation of following sizes of seismically qualified under-cut anchor fasteners with anchor length suitable for fixing any thickness of plate commensurate with required equipment loading including work like drilling, cleaning, tightening etc.

M12 anchor bolts

M16 anchor bolts

M20 anchor bolts

M24 anchor bolts

Supply and installation of Junction Box for termination of 2 runs of 3.5Cx400 incomer cable as per specification

Supply of Junction Box for termination of 2 runs of 3.5Cx400 incomer cable as per specification

Installation of Junction Box including supply and installation of seismically qualified anchor fasteners, mounting brackets, support structure, hardware etc. along with necessary welding, drilling, painting, bolting etc.