WORK

Amount

Erection of Main & Auxiliary structure lattice type ATM, BTM, BCT, ALP etc. constisting of coloumn, beam, peak, mast etc. and auxilary structure for installation of CTs. PTs, LAs, etc. The job consist of shifting of all material from store to site of erection, erection of structure 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 excluding GI structure Nut & bolt to complete the work. Erection of Main & Auxiliary structure lattice type BCT, ALP etc. upon foundation and its proper tighteing.

Erection of following Equipments/Panels as per technical specification, manual and instruction as per direction of supervising engineer.

245KV SF-6 Circuit Breaker.

245KV Current Transformer.

245KV Bus Isolator

245KV Line Isolator

245KV Tandem Isolator.

245KV Post Insulator for support

198KV Lighting Arrestors.

220KV Control & Relay Panel of 160MVA TF

245KV CT Junction box

145KV CB with structure

145KV Line Isolator

145KV Bus Isolator

145KV Tandem Isolator

145KV Post Insulator

Earthing Work

Earthing of 198KV/120KV LAs and netural of transformation by 40mm dia 3000mm long conical shape its placing inside the ground in rectangular shape and connectiong all 3/6 nos electrodes with 75X10/50X6 mm MS flat laid on its edge and then this rectangle/triangle shape strictlty as per drawing. (a) 198/120KV LA (rectangle shape by 06 electrodes) with 40MM dia round bar

160MVA Transformer (triangular shape by 03 Electodes) with 40MM dia round bar

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

Laying MS Flat of size 75X10 MM

Laying MS Flat of size 50X6 MM

Laying MS Flat of size 25X6 MM

Laying of following size control cable in trench/cable trays from different control room equipments to 220/132/33KV CB, CT, CVT and their junction boxes. Transformer marshalling box, isolator box and other outdoor equipments installed in 132KV swithyard as per cable schedule including carriage of cable drum from store and all other associated work.

2 CoreX 2.5mm2

4 CoreX 2.5mm2

6 CoreX 2.5mm2

10 CoreX 2.5mm2

Termination of control cable at each end

Jumpering, interconnection of equipment with specified conductor of various 220KV bus isolator with main /Transfer of ACC Tarantulla with ACSR Zebra conductor, jumpering of 220KV bay equipment with zebra. The work includes cutting of conductor, bending in proper shap, clamping with the help of clamps and all other associated work to complete the work.

Stringing of all 3 Phases (R,Y & B Phase) of jack bus of 220KV with ACSR Zebra conductor, the work includes cutting & bending of conductor, fixing of single bolted type tension fitting/suspension. Hoisting of disc insulator and shifing of material form store site to erection site and all other associated work to complete the work satisfactory as per drawing and technical specification.

220KV Jack Bus for 160MVA Transformer for Zebra conductor

132KV Jack Bus for 160MVA Transformer by twin zebra conductor.

Jumpering, interconnection of equipment with specified conductor of various 220KV bus isolator with main/Transfer of ACC Tarantulla with ACSR Zebra conductor. Jumpering of 220KV bay equipment with zebra. The Work includes cutting of conductor, bending in proper shap, clamping with the help of clamps and all other associated work to complete the work.

Transformer Erection work

Shifting of 160MVA T/F with accessories from unloading point to plinth with the help of rail pulling devices sleepers etc upto distance of Approx 30 Mtrs including turning if required at 220KV substaion Dadri.

Complete Erection of 160 MVA Transformer and accessories HV/LV/TV/N bushing radiators, conservator tank. A frame, Header oil pipe line, pump cooling fan etc. oil filling up to required level

Centrifuging the transformer oil in main tank and circulate the transformer oil through centrifuging machine and taking BDV time to time. (Centrifuging machine shall be provided by the contractor)

Erection of RTCC Panel of new 160 MVA 220/132KV Transformer after shifting of RTCC Panel from stores/designated place to control room then making cable terminations as per cable schedule (to be prepare by contractor) and making earthing of the RTCC Panel

Installation of mulsifire system on 160 MVA (Installation of high velocity automatic water spraying system for 160 MVA TF inclduing laying of water pipe line, valves, quartzoid, HVWS nozzles along with all material complete)

Supply & Installation tesing commissioning of quick opeining folld, deluge valve of HD of 150 NB as per Max working pressure 10 Kg/cm² as per specification (HD/Mather Platt/equivalent in Nos)

Supply & installation of gate valve (Slucie valve/Butterfly valve) as per IS specification (IS code: 14846) (Zoloto/Kartar make) in Nos (i) 150NB

Supply & installation of "Y" Type strainer(Kartar/Kalpana/agro make) of Dia (i) 150 NB

Supply & laying of different size of M.S pipe B class for fire water pipe line support as per IS specification (IS code-1239) complete with elbow tee socket reducer ete. with anti corrosive treatment with details as below :

Supply & laying of different size of GI pipe B class for fire water pipe as per IS specification (IS code-1239) as per drawing enclosed completed with elbow TEE socket reducer.

Supply & laying of flanges as per IS- 1538 of different size as per drawing, work include proper butt welding with pipe & proper packing and coupling along with N&B

Supply installation & commissioning of high velocity water spray nozzles flow 3.5 KG/cm² spray core angle 90 degree

Supply installation & commissioinig of qratzioid bulb detectors (QBD) operate at 90 C sensing at rated temp for actuation of the element 10-12 sec.

Supply, installation & testing of fixed differential switch (Danfoss/Indofss make) type pressure switch range 1-10 KG cm²

Pressure guage as per IS specification IS code-3624

Dismantling of 245KV CB, Post insulator, CVT and shifting dismantled material to store.

Providing & fixing of phase plate (R,Y, B phase) of 02mm thick aluminum sheet of size 5' dia covering of 3 M HIP/MDF retro reflected sheet in single piece with all mounting with GI nut and bolts 1 set comprises of R, Y, B phase plates

Carriage of Miscellaneous material from different sub-stations (with in 50KM area) to 220KV S/S Dadri.

Safe carriage of loaded structure from fabrication unit to 220KV Dadri, Greater Noida approximate distance 710KM. Rate should be quoted for 710KM/mt

SATKAR TRADERS (BID ID -5369309)

Gupta Elect and Engg Works (BID ID -5374521)