Construction of 33 KV Harchandpur Kalan bay at 220 KV Substation Etah, under ETD- Mainpuri

Work Portion

Proper and Safe Carriage Misc. Equipments like CTs, PTs, VCB, isolators, Control Cables, Conductors, M.S. Earthing Strips etc. from Designated Primary Sub Station within 100 KM distance to 220 KV S/S ETAH including its loading and unloading.

Erection of main and auxiliary structures

Erection of substation main and auxiliary structures for installation of CTs, PTs, Isolators etc. The job consist of shifting of all material from store to site of erection, erection of structures as per drawing with the help of GI nut & bolt, flat & spring washer, matching the hole, cutting & matching of member if required including cost of all men and T & P to complete the work.

Erection of following equipments as per instruction manual of various equipments & technical specifications including shifting of equipments from store to erection site including all other associated works for completion of Erection work satisfactorily.

33 KV VCB Circuit Breaker.

33 KV Current Transformer

33 KV CT Junction Box.

33 KV Bus Isolator without Earth Blade

33 KV Line Isolator with Earth Blade

Erection of CRP Panel including shifting etc.

Erection of new 33KV Tripple feeder control and relay panel in control room of 220 KV Etah SS including grouting,earthing & termination of control cables as per cable shedules including providing & fixing of cable glands of appropriate sizes and ferrules etc. with all other associated works asper technical specification.

Jumpering, Stringing of various equipments/bus

Jumpering, interconnection of equipment with specified conductor of various 33 KV equipments with Main Bus Bar of ACSR Panther conductor. The work includes cutting of conductor, bending in proper shape, clamping with the help of clamps and all other associated work to complete the work.

Earthing work.

Earthing of equipments by cutting straightening, bending, laying 700 mm below ground and above ground of following size of MS flat for earthing of main and auxiliary structure equipments structure including welding with main earthmat and with object to be earthed, excavation of trenches, its back filling, to complete the work.

Earthing of Aux.structure & Equipment with 50mm*6mm sixe MS flat

Earthing of new cable trench racks/peak mast with 25mm*6mm Size MS flat

Earthing of control panels at 2 point each panels

Painting of MS flat of different size after cleaning of rusted surface 1st coat of Red Oxide and 2 coat of Bus Green Paint to complete the work.

Extension of MS Round bar Earthmat 40mm by digging of earth cutting,laying,Welding and back filling of earth and doing all other associated work to complete the job satisfactory

Fabrication of 3m long 40mm diameter electrode with following MS Rod having 150mm long conical shape and tehn its piercing vertically inside the ground with top 50mm below ground level and its welding with earth mat

Laying of flowing sizes of control cable in the cable trench from control relay panel to various equipments/marshalling boxes/junction box etc. in switchyard as per cable schedule, their saddling at every 750mm distance with MS saddles of size 25x3mm size including carriage of cable drums form store to laying site and shifting back to the removing material store and all other associated work to complete the job satisfactorily as per technical specification.

2 Core x 2.5mm2

4 Core x 2.5mm2

6 Core*2.5 mm2

Inter-connection & Termination of following size of cables as laid above as per cable schedule including making necessary holes in glands plates or box wherever required. Supply and fixing of cable glands of appropriate size, supply and providing ferrules for each core of the cables & its termination with crimping type copper lugs along with preperation of inter-connection drawing.

Switchyard Lighting Work

providing of junction Box of Size 280*225*150 mm duly made of 16 SWG sheet and painted with smoke grey color synthetic enamel paint and fitted with 1 no. 6 amp Sp MCB on anodized MS channel 1 no bakelite fuse fitting with 6 amp Ns 6 type HRC fuse 1 no copper neutral link,bakelite terminal block of 4 terminal cable glands suitable for 2c/4c*2.5 sq.mm size incoming/outing control cables etc.then installation of junction box on GI column structure as designated height with the help of suitable MS clamps alongwith earthing of the junction box with 12 SWG GI wire including cable terminal with satifactory testing & commissioning

Supply Portion

ACSR Tarantulla to Panther PG Clamp

ACSR Panther to Panther PG Clamp

50x6 mm MS Flat

25x6 mm MS Flat

40mm MS Rod for Main earth mat

40mm dia Ms Electrode of 3mm length

Bay indication board

150W LED flood lights of philips/CGL/Havells make with 2 years warranty

supply of 33 KV isolator Bi metallic terminal connector duly made of LM-6 Aluminium Alloy alonhwith Bi metallic Sleeve plate suitable for twin acsr panther conductor with 4 no 12mm size GI bolts,Nuts,spring &plain Washers as per technicsl specification & sample

Flexible Copper bond 16mm dia 500mm length

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