Tender For Services For Installation Of 220 And 132 Kv Transformers Of Various Capacities Along-With Associated Works Of Oil Filtration Dismantling Etc- EARTH MESH WORKLaying of earth mesh with 25mm/28mm dia M.S Rod at a depth of 0.80 meter 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 impreganated tape on all welding joints, for the type of soil prevalent at 0.80 mete below top level of foundations (M.S Rod of above size & M.S flat as required shall be made available by RVPN). (a) In case electricity is made available by RVPN without chargesi) Any soil, soft Rock other than Hard Rock 2 Laying of earthing risers of 50x6mm/50x10mm/50x12mm size M.S Flat at a depth of 0.80 meters 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) (a) In case electricity is made available by RVPN without chargesi) Any soil, soft Rock other than Hard Rock 3 Placing / Draving of earth electrods of 25/28mm dia M.S Rod of length 3.30meters (approx) to a depth of 3.80 meters from the top level of foundations, including excavation of pit as required and back filling of the same, transportation of M.S Rod from site store to locations , cutting of M.S Rod to desired length preparation of one end as spike if necessary, 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, for the type of souil prevalent at 3.80 meters below top level of foundations (M.S Rod of above size & M.s Flat as required shall be made available by RVPN ) (a) In case electricity is made available by RVPN without chargesi) Any soil, soft Rock other than Hard Rock 4 ERECTION OF SUB STATION STEEL STRUCTURES columns, beams lighting mast and equiopemtn structures ( excluding Circuit Breakers and Capacitors Banks ) of all types including transportation of structure members nuts & bolts, washers etc from site store to locations , their assembly, placing on foundation, fxinmg of template, with foundation bolts as required, levelling and preparing for grounding as required but excluding grouting erection after grouting and tightening & punching of nuts & bolts. ( Maximum height of structures upto 20 meters). 5 BUS - BAR WORKSTRINGING OF 220 KV , 132 KV, 33 KV & 11KV Bus Bar of ACSR 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 available fitting of bolted type or compression type tension hardware as made available ( 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 Single Conductor 6 BUS - BAR WORKSTRINGING OF 220 KV , 132 KV, 33 KV & 11KV Bus Bar of ACSR 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 available fitting of bolted type or compression type tension hardware as made available ( 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 7 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 8 ERECTION OF SUB-STATION EQUIPMENTSErection of Current Transformer/Potential Transformer/Capactive voltage Transformer /Series Reactor /ResidualVoltage Transformer /Neutral Current Transformer with Clamps & connectors, on already erected steel structure including transport-Tation of base frame,fixing of terminal connectors,tightening of nuts& bolts etc. complete in all respect.i) 220KV CT/PT/CVT 9 ERECTION OF SUB-STATION EQUIPMENTSErection of Current Transformer/Potential Transformer/Capactive voltage Transformer /Series Reactor /ResidualVoltage Transformer /Neutral Current Transformer with Clamps & connectors, on already erected steel structure including transport-Tation of base frame,fixing of terminal connectors,tightening of nuts& bolts etc. complete in all respect.ii) 132KV CT/PT/CVT 10 ERECTION OF SUB-STATION EQUIPMENTSErection 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.iii) 33 KV or 11 KV CT/PT 11 Erection of Isolators (Motorised/Non Motorised) on already, erected steel structures including transportation of base frame, P.Is 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 P.I.iii) 33 KV & 11 KVa) Without Earth Blade 12 Erection of 132KV Class EHV Transformer (tank already placed on foundation with wheels), including transportation of accessoriesfrom site store to locations, erection of HV, IV, LV & Neutralbushings main & OLTCconservators, radiators, equalizing pipe line marshalling kiosk, etc. as per manufacturer’s drawing, prepare-tion of oil, oil filling dehydration of transformer (filter machine, oiltank & operating staff shall be provided by RVPN), electrical wiring from individual equipment, e.g, Buchholz relay, MOLG, OSR, etcto marshalling kiosk, etc. but excluding testing & commissioningof transformer.a) If electricity is available & arranged by RVPN without charges.i)Transformer received oil filled 13 Erection of 220KV Class EHV Transformer (Gas filled tank Already placed on foundation with wheels), including transport-Tation of accessories from site store to locations, erection of HV,IV, LV & Neutral bushings, erection of cooler bank with associatedPipe line, radiators, fans, pump, main & OLTC conservators, Equalizing pipe line, marshalling kiosk, etc. as per manufacturer’sDrawing preparation of oil, oil filling, dehydration of transformerAlong with cooler bank & diverter switch(filter machine oil tank & operating staff shall be provided by RVPN), electrical wiring From individual equipment, e.g. Buchholz relay, MOLG, OSR, Fans Pumps, Bushing CT’s etc to marshalling kiosk etc. but Excludingtesting & commissioning of transformer.a) If electricity is available & arrange by RVPN without charges. 14 Erection of Control & Relay Panels complete in all respect, Including transportation from site store to control room, placingOn foundation/cable trench as per layout, interconnection betweenControl & Relay panels and with existing panels fixing of site/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.iii) Simplex Panel, DC Panel,RTCC Panel,PLCC Panel,etc. 15 Erection of Marshalling Kiosk/Line Matching Unit(LMU)/Line Matching & Distribution Unit (LMDU) complete in all respectIncluding transportation from site store to location, placing onFoundation/ cable trench as per layout, preparing for grouting Of foundation bolts but excluding grouting etc.i) 220KV or 132KV Marshalling Kiosk 16 Erection of Marshalling Kiosk/Line Matching Unit(LMU)/Line Matching & Distribution Unit (LMDU) complete in all respectIncluding transportation from site store to location, placing onFoundation/ cable trench as per layout, preparing for grouting Of foundation bolts but excluding grouting etc.ii) 33KV or 11KV Marshalling Kiosk 17 LAYING AND TERMINATION OF CABLES:Control Cable: i) Laying of P.V.C insulated unarmoured/armoured controlcable of 1.1 KV grade with copper conductor in cable trenches as per specification as required, including transportation of cabledrums from site store to locations, laying in cable trenches, cuttingto required length, placing 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 sizes from 2c x2.5 sq.mm to 20c x 2.5 sq.mm nd 4c x 6 sq.mm.a) Unarmoured control cable. 18 ii) Fixing of control cable in position with single compression nickel 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 sizea) 19mm unarmoured control cable 19 ii) Fixing of control cable in position with single compression nickel 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 sizec)25mm unarmourd control cable 20 ii) Fixing of control cables in position with single compression nickel plated brass cable glands confirming to IS : 12943 & having three metal washers and one rubber ring, inluding preparation of cable and drilling of correspomding holes in gland plates, etc. as required & including cost of cable glands for each cable gland of sizee) 32 mm Unarmoured Control Cable 21 iii) Termination of wires of cables with copper conductor using copper terminal ends ( pin or ring type as required of Dowells 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 22 iii) Termination of wires of cables with copper conductor using copper terminal ends ( pin or ring type as required of Dowells 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 sizesb)4.0 sqmm for any number of core 23 Dismantling WorkDISTRINGING of 33KV Bus Bar of ACSR conductor, including transportation of conductor,disc Insulator and tension hardware from location to site stores, cleaning and assemblyof disc insulators as required along with fitted bolted type orcompression tape tension hardware as dismantled, destringing of conductors between the beams for three plates of conductors in eachbus-section. (Per Jumper basis) i) Any Single Conductor 24 Dismantling of JUMPERS OF ACSR conductor ( 3 nos Y- type)between bus To equipment or between equipment to equipment or between bus, cleaning and assembly of disc insulators as required along with dismanteled of suspension hard-ware as required, for three phases. (Per Jumper basis)i) Any Conductor 25 Dismantling of Current Transformer/Potential Transformer/Capactive voltage Transformer /Series Reactor /ResidualVoltage Transformer /Neutral Current Transformer with Clamps & connectors, from erected steel structure including transportation of dismantel terminal connectors,etc. complete in all respect.i) 220KV CT/PT/CVT 26 Dismantling of Current Transformer/Potential Transformer/Capactive voltage Transformer /Series Reactor /ResidualVoltage Transformer /Neutral Current Transformer with Clamps & connectors, from erected steel structure including transportation of dismantel terminal connectors,etc. complete in all respect.i) 220KV CT/PT/CVT 27 Dismantling of Current Transformer/Potential Transformer/Capactive voltage Transformer /Series Reactor /ResidualVoltage Transformer /Neutral Current Transformer with Clamps & connectors, from erected steel structure including transportation of dismantel terminal connectors,etc. complete in all respect.iii) 33KV or 11KV CT/PT 28 Dismantle of 220KV Class EHV Transformer Already placed on foundation with wheels, including transportation of accessories from location to site store, dismantle of HV,IV, LV & Neutral bushings, dismantle of cooler bank with associatedPipe line, radiators, fans, pump, main & OLTC conservators, pipe line, marshalling kiosk, etc. as per site requirement, dismantle electrical wiring From individual equipment, e.g. Buchholz relay, MOLG, OSR, Fans Pumps, Bushing CT’s etc to marshalling kiosk etc. but Excludingtesting of transformer.a) If electricity is available & arranged by RVPN without charges.i)Transformer 29 Dismantle of 132KV Class EHV Transformer (tank already placed on foundation with wheels), including transportation of accessoriesfrom location to site store, dismantle of HV, IV, LV & Neutralbushings main & OLTCconservators, radiators, equalizing pipe line marshalling kiosk, etc. as per requirement of sie condition,dismental electrical wiring from individual equipment, e.g, Buchholz relay, MOLG, OSR, etcto marshalling kiosk, etc. but excluding testing & decommissioningof transformer.a) If electricity is available & arranged by RVPN without charges. i)Transformer received oil filled 30 Dismantlong of Isolators (Moterised/Non Moterised) on already erected steel structure Including transportation of base frame,Pcontacts mechanism Box clamps & connectors etc from location to site store as required, and dismantle of terminal connectors and dismantle of PI.ii)33KV & 11KVa)Without Earth Blade 31 Services for loading or unloading or shifting on platform or other location in yard of transformer up to 50 MVA. 32 Services for loading or unloading or shifting on platform or other location in yard of transformer 100 to 160 MVA.
