Augmentation work of 220/132KV 200MVA power transformer at 220KV GSS SAKATPURA

EARTH MESH WORK Laying of earth mesh with 40 mm. dia. M.S. Rod at a depth of 0.80 metre from top level of foundations, including excavation of trench of required depth and backfilling of the same, transportation of M. S. Rods from site store to locations, welding of M. S. Rod to M. S. Rod along the length, at crossings and with earth electrodes as per drawing, application of bitumen compound and covering with bitumen impregnated tape on all welded oints, for the type of soil prevalent at 0.80 metre below top level of foundations (M. S. Rod of above sizes & M. S. Flat as required shall be made available by RVPN) i) Any soil,soft rock other than hard rock

Laying of earthing risers of 75x12mm size M.S Flat at a depth of 0.80 m,eters from top level of foundations, including excavation of trench of required depth and backfilling of the same, transportation of M.S Flat from site store to locations, preparation of risers bending as per requirement ( after heating if necessary), fixing on and welding / bolting to equiopment/ structure and peaks of structures, laying in the trench, welding to the earth mesh of M.S Rods as per drawing, including welding of extra length of M.S Flat of required, application of bitumen compound and covering with bitumen impregnated tape on all welded joints, painting of all surface of risers above ground level with red oxide and green paint, for the type of soil prevalent at 0.80 meter below top level of foundations ( M.S Rod of above sizes & M.S Flat as required shall be made available by RVPN) i) Any soil,soft rock other than hard rock

Placing of earth electrods of 40mm dia M.S Rod of length 7.50 meters (approx) to a depth of 8.00 meters from the top level of foundations, including drilling of 200 mm dia earth pit having a throughout bore of 200 mm dia to a depth of 8.00 meters from the top level of the foundations in all types of rocks by DTH system and overburden, including back filling of pit with Bentonitc slurry (with cost of Bentonite slurry ), including its preparation, transportation of M.S Rod and Bentonite from site store to location, cutting of M.S Rod Rod to desired length welding of earth electrode to earth mesh of M.S Rod as per drawing, application of bitumen compound and covering with bitumen impregnated tape on all welded joints (M.S Rod of above sizes & M.S Flat as required shall be made available by RVPN ) (a) In case electricity is made available by RVPN without charges

STRINGING OF 220 KV , 132 KV, 33 KV & 11KV Bus Bar of ACSR & Tarantulla conductor, including transportation of counductor, disc insulators and tension hardware from site stores to location, laying and cutting required length of conductor, cleaning and assembly of disc of disc insulators as required along with fitting of bolted type or compression type tension hardware as made avai (compression machine shall be provided by RVPN on rent free basis ) making up at one end, stringing of conductors between the beams with specified sag and tension, also equalizing sag and fitting spacers and spacer T-clamps for twin conductor for three phases of conductors in each bus section. (Per Jumper Basis) i) Any Double Conductor

JUMPERS OF ACSR conductor ( 3 nos Y type ) between bus to equipment or between equipment to equiopment or between bus to bus, including transportation of conductor, disc insulatros and hardware from site stiores to locations, cleaning and assembly of disc insulators as required along with fitting of suspension hardware and erection as required, cutting required length of conductor, making connections,fixing of spacers & spacer T clamps as required tightening of clamps / connectors, dressing etc for three phases (Per Jumper Basis) i) Any Conductor

Erection of C.T / P.T /CVT/ Series Reactor / RVT / NCT with clamps & connectors on already erected steel structure including transportation from site stores to locations, fabrication of base frme, fixing of terminal connectors, tightening of nuts & bolts etc complete in all respect. ii) 220KV CT/PT/CVT

Erection of C.T / P.T /CVT/ Series Reactor / RVT / NCT with clamps & connectors on already erected steel structure including transportation from site stores to locations, fabrication of base frme, fixing of terminal connectors, tightening of nuts & bolts etc complete in all respect. ii) 132KV CT/PT/CVT/

Erection of LA on already erected steel structure including transportation of LA, clamps & connectors surge counter etc from site stores to locations, fabrication of base frame, fixing of terminal connectors surge counter, tightening of nuts & bolts complete in all respect. i) 220 KV

Erection of LA on already erected steel structure including transportation of LA, clamps & connectors surge counter etc from site stores to locations, fabrication of base frame, fixing of terminal connectors surge counter, tightening of nuts & bolts complete in all respect. ii) 132 KV

Erection of Isolators (Motorised Non0Motorised )on already, erected steel structures including transportation of base frame, P.I's contacts mechanism box clamps & connectors etc from site store to locations minor fabrication as required and fixing of termnial connectors etc, adjustment / aligment of isolator and its earth blade, if provided for their smooth operation and final adjustment if required after jumpering, including erection of PI i) 220 KV a) Without Earth Blade

Erection of Isolators (Motorised Non0Motorised )on already, erected steel structures including transportation of base frame, P.I's contacts mechanism box clamps & connectors etc from site store to locations minor fabrication as required and fixing of termnial connectors etc, adjustment / aligment of isolator and its earth blade, if provided for their smooth operation and final adjustment if required after jumpering, including erection of PI ii) 132 KV a) Without Earth Blade

Erection of 220 KV or 132 KV Circuit Breakers, including transportation of equipments, structure members, nuts & bolts, clamps & connectors, accessories etc from site store to location, assembly of support structure, their placing on foundation, levelling and preparing for grouting as required, but excluding grouting assembly/ placing of support columns / poles mechanism box/control cubicle, and other accessories as per manufacturer's drawings, fitting of SF-6 gas pipeline, fabrication of air / oil pipeline as required, electrical wiring from pole to control cubicle, fixing of terminal connectors as required but excluding commissioning of CB for all types of operating mechanism, as required. i) 220 KV

Erection of 220 KV or 132 KV Circuit Breakers, including transportation of equipments, structure members, nuts & bolts, clamps & connectors, accessories etc from site store to location, assembly of support structure, their placing on foundation, levelling and preparing for grouting as required, but excluding grouting assembly/ placing of support columns / poles mechanism box/control cubicle, and other accessories as per manufacturer's drawings, fitting of SF-6 gas pipeline, fabrication of air / oil pipeline as required, electrical wiring from pole to control cubicle, fixing of terminal connectors as required but excluding commissioning of CB for all types of operating mechanism, as required. ii) 132 KV

Erection of 220 KV Class EHV Transformer (Gas filled tank already placed on foundation with wheels) including transportation of accessories from site store to locations, erection of HV, IV,LV & Neutral

bushings, main & OLTC conservators, radiators, equalizing pipe line marshalling kiosk etc aas per manufacturer's drawing preparation of oil, oil filling dehydration of transformer (filter machine, oil tank & operating staff shall be provided by RVPN ), electrical wiring from individual equipment e.g, Buchholz relay, MOLG, OSR etc to marshalling kiosk etc, but excluding testing & commissioning of transformer. a) If electricity is available & arranged by RVPN without charge i) Transformers received oil filled

Erection of control & Relay Panles complete in all respect including transportation from site store to control room placing on foundation / cable trench as per layout, interconnection between Control & Relay panels and with existing panels, fixing of side/ top covers and doors, earthing to existing earth strip in control room, connection of bus wiring to existing panel and between control and relay panel, as required. (i) Duplex Panel

Erection of Marshalling Kiosk/ Line Matching Unit (LMU) / Line Matching & Distribution Unit (LMDU) complete in all respect including transportation from site store to location, placing on foundation / cable trench as per layout preparing for grouting of foundation bolts but excluding grouting etc. I) 220 KV / 132 KV Marshalling kiosk

i) Laying of PVC insulated unarmoured / armoured control cables of 1.1 KV grade with copper conductor in cable trenches as per specification as required, including transportation of cable drums from site them on cable racks / cable trays / cable batten & dressing, including removing and re-fixing trench covers as required making necessary connections testing cable marking on both the terminating ends, etc as required for all size from 2c x 2.5sqmm to 20cx2.5mm, 4c x 4sqmm and 4cx6sqmm a) Unarmoured control cable

ii) Fixing of control cables in position with single compression nicket plated brass cable glands confirming to IS: 12943 & having three metal washers and one rubber ring. Including preparation of cable and drilling of corresponding holes in gland plates, etc as required & including cost of cable glands, for each cable gland of size. a) 32 mm unarmoured control cable

iii) Termination of wires of cables with copper conductor using copper terminal ends ( pin or ring type as required of Dowell's or equivalent make as approved by the Engineer- In-Charge ) duly crimpede with crimping tool including making wire ends ready for crimping, ferruling & dressing of wires, etc as required , including cost of terminal ends for all wires for each cable at both ends for cables of the following sizes. a) 2.5 sqmm for any number of core

iii) Termination of wires of cables with copper conductor using copper terminal ends ( pin or ring type as required of Dowell's or equivalent make as approved by the Engineer- In-Charge ) duly crimpede with crimping tool including making wire ends ready for crimping, ferruling & dressing of wires, etc as required , including cost of terminal ends for all wires for each cable at both ends for cables of the following sizes. a) 4 sqmm for any number of core

Dismantling of 220KV Class EHV Transformer (tank already placed on foundation with wheels), including transportation of accessories from location to site store, dismantling of HV, IV, LV & Neutral bushings, main & OLTC conservators, radiators, equalizing pipe line, marshalling kiosk, etc. as per manufacturer's drawing, drain of oil in Oil drums upto level of main tank and stack as per site incharge of RVPN (Empty Oil drums shall be provided by RVPN), removing of electrical wiring from individual equipment, e.g., Buchholz relay, MOLG, OSR, etc. to marshalling kiosk, etc. a) If electricity is available & arranged by RVPN without charges

DESTRINGING of 220 KV, 132 KV, 33 KV & 11KV Bus Bar of ACSR & Tarantulla conductor, including transportation of conductor, disc insulators and tension hardware from location to site store, bundling and cutting if required length of conductor, removing of disc insulators as required from fitting of bolted type or compression type tension hardware, spacers and spacer T-clamps for twin conductor, for three phases of conductors in each bus-section.(Per jumper basis):- Any Single Conductor

DISMANTALING OF JUMPERS OF ACSR SINGLE PANTHER / ZEBRA CONDUCTOR (THREE NOS. Y-TYPE) BETWEEN BUS TO EQUIPMENT, OR BETWEEN EQUIPMENT TO EQUIPMENT OR BETWEEN BUS TO BUS, INCLUDING TRANSPORTATION OF CONDUCTOR, DISC INSULATORS AND HARDWARE FROM SITE STORE TO LOCATIONS, removing of DISC INSULATORS AS REQUIRED from FITTING OF SUSPENSION HARDWARE AND dismanting AS REQUIRED, CUTTING REQUIRED LENGTH OF ONDUCTOR,removing CONNECTIONS, REMOVING OF SPACERS & SPACER T-CLAMPSAS REQUIRED:- Any ACSR Conductor

Dismantling of Current Transformer / Potential Transformer / Capacitive voltage Transformer 1 Series Reactor / Residual Voltage Transformer / Neutral Current Transformer with clamps & connectors on already erected steel structure including transportation from locations to site store, fabricated base frame, removing of terminal connectors, loosing of nuts & bolts etc., complete in all respects.:- 220 KV CT / PT / CVT

Dismantling of Current Transformer / Potential Transformer / Capacitive voltage Transformer 1 Series Reactor / Residual Voltage Transformer / Neutral Current Transformer with clamps & connectors on already erected steel structure including transportation from locations to site store, fabricated base frame, removing of terminal connectors, loosing of nuts & bolts etc., complete in all respects:- 132 KV CT / PT / CVT

Dismantling of Isolators (Motorised/Non motorised) from already erected steel structure including transportation of base frame, P. I.'s, contacts, mechanism box, clamps & connectors, etc. from locations to site store, minor fabrication as required, and removing of terminal connectors, etc., including dismantling of PI:- I) 220 KV a) Without Earth Blade

Dismantling of Isolators (Motorised/Non motorised) from already erected steel structure including transportation of base frame, P. I.'s, contacts, mechanism box, clamps & connectors, etc. from locations to site store, minor fabrication as required, and removing of terminal connectors, etc., including dismantling of PI:- ii) 132 KV, a) Without Earth Blade

Dismantling of 220 KV or 132 KV Circuit Breakers, including transportation of equipment, structure members, nuts & bolts, clamps & connectors, etc. from location to site store, dismantling of support structure from foundation, dismantling of poles, mechanism box, etc. from support structure as per direction of site incharge including fitting of terminal connectors, etc.:- i)220 KV

ii) Fixing of control cables in position with single compression nicket plated brass cable glands confirming to IS: 12943 & having three metal washers and one rubber ring. Including preparation of cable and drilling of corresponding holes in gland plates, etc as required & including cost of cable glands, for each cable gland of size. a) 19 mm unarmoured control cable

Dismantling of 220 KV or 132 KV Circuit Breakers, including transportation of equipment, structure members, nuts & bolts, clamps & connectors, etc. from location to site store, dismantling of support structure from foundation, dismantling of poles, mechanism box, etc. from support structure as per direction of site incharge including fitting of terminal connectors, etc.:- ii) 132 KV

Dismantling of control & Relay Panles complete in all respect including transportation from control room to site store and removing control cable from trenches and also remove connection between Control & Relay panels and with existing panels, :- i) Duplex Panel

Dismantling of Lightening Arrestor on already erected steel structure including transportation of Lightening Arrestor, clamps & connectors, surge counter, etc. from locations to site store , fabrication of base frame, fixing of terminal connectors, surge counter, tightening of nuts & bolts etc., complete in all respect.:- i) 220 KV

Dismantling of Lightening Arrestor on already erected steel structure including transportation of Lightening Arrestor, clamps & connectors, surge counter, etc. from locations to site store , fabrication of base frame, fixing of terminal connectors, surge counter, tightening of nuts & bolts etc., complete in all respect.:- ii) 132 KV

Removing of P. V. C. insulated unarmoured / armoured control cables of 1.1 KV grade with copper conductor from cable trenches, including bundling and transportation of cables from location to site store, removing from cable trenches, including removing and refixing trench covers as required, making necessary arrangments etc., as required for all sizes from 2c x 2.5 sq. mm. to 20c x 2.5 sq. mm, 4c x 4 sq. mm. and 4c x 6 sq. mm.:- a) Unarmoured control cable

Note :- GST @ 18% extra payble the rate quoted are without GST @ 18%