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| 1 | Laying of earth mesh with 25mm / 28mm dia M.S. Rod at a depth of 0.80 metre from top level of foundation, including excavation of trench of required depth and backfilling of the same, transportation of M.S. Rods from site store to location, 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 joints, 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).(a) In case electricity is made available by RVPN without charges. i) 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 metre from top level of foundations, including excavation of trench of required depth and back filling of the same, transportation of M.S. Flat from site store to locations, preparation of risers, bending as per reqiurement (after heating if necessary), fixing on & belding / bolting of equipment / structure & peaks of structure, laying in the trench, welding to earth mesh of M.S. Rod as per drawing, including welding of extra length of M.S. Flat if required, application of bitumen compound and covering with bitumen impregnated tape on all welded joints, painting of all surfaces of risers above ground level with red oxide and green paint, 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).(a) In case electricity is made available by RVPN without charges.i) Any soil, soft rock other than hard rock |
| 3 | Placing / Driving of earth electrode of 25 / 28mm dia. M.S. Rod of length 3.30 metres (approx.) to a depth of 3.80 metres 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 locations, cutting of M.S. Rod to desire length, preparation of one end as 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 soil prevalent at 3.80 mtrs 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 charges. i) Any soil, soft rock other than hard rock |
| 4 | ERECTION OF SUB-STATION STEEL STRUCTURES columns, beams, lighting mast and equipment structures (excluding Circuit Breakers and Capacitor Banks) of all types including transportation of structure members, nuts & bolts, washers etc from site store to locations, their assembly, placing on foundation, fixing of template, with foundation bolts as required, levelling and preparing for grouting as required, but excluding grouting, erection after grouting and tightening & punching of nuts & bolts. (Maximum height of structures up to 20 metres) |
| 5 | STRINGING of 220KV, 132KV, 33KV & 11KV Bus Bar of ACSR & Tarantulla conductor including transportation of conductor, disc insulator & tension hardware from site store to location, laying & cutting required length of conductor, cleaning & assembly of disc insulators as required along with fitting of bolted type or compression type tension hardware as made availablebetween the beams with specified sag and tension, also equilising sag and fitting spacers and spacer T-clamps for twin conductor for three phase of conductors in each sub-section.(Per jumper basis) i) Any Single Conductor |
| 6 | STRINGING of 220KV, 132KV, 33KV & 11KV Bus Bar of ACSR & Tarantulla conductor including transportation of conductor, disc insulator & tension hardware from site store to location, laying & cutting required length of conductor, cleaning & assembly of disc insulators as required along with fitting of bolted type or compression type tension hardware as made availablebetween the beams with specified sag and tension, also equilising sag and fitting spacers and spacer T-clamps for twin conductor for three phase of conductors in each sub-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 equipment or between bus to bus, including transportation of conductor, disc insulators and hardware from site stores to locations, cleaning & assembly of disc insulators as required along with fitting of suspension hardware and erection as required length of conductor, making connections, fixing of spacers & spacer T-clampsas required, tightening of clamps / connectors, dressing etc., for three phases.(Per jumper basis) |
| 8 | STRINGING of earth wire (size 7/3.15 mm or 7/4.00 mm) including transportation of earth wire, tension hardwares etc from site store to locations, laying and cutting required length of earth wire, fitting of bolted type or compression type hardware as made available (compression machine shall be provided by RVPN on rent free basis) making up at one end, stringing of earthwire between structure peaks with specified sag and tension, jumpering and connecting earth bonds for single earthwire. |
| 9 | Erection of Current Transformer / Potential Transformer / Capacitive Voltage Transformer / Series Reactor / Residual Voltage Transformer / Neutral Current Transformer with clamps & connectors on already erected steel structure including transportation from site store to locations, fabrication of base frame, fixing of terminal connectors, tightening of nuts & bolts etc, complete in all respects. i) 220 KV CT / PT / CVT |
| 10 | Erection of Current Transformer / Potential Transformer / Capacitive Voltage Transformer / Series Reactor / Residual Voltage Transformer / Neutral Current Transformer with clamps & connectors on already erected steel structure including transportation from site store to locations, fabrication of base frame, fixing of terminal connectors, tightening of nuts & bolts etc, complete in all respects. ii) 132 KV CT / PT / CVT |
| 11 | Erection of Lightening Arrestor on already erected steel structure including transportation of Lightening Arrestor, clamps & connectors, surge counter etc from site store to locations, fabrication of base frame, fixing of terminal connectors, surge counter, tightening of nuts & bolts etc, complete in all respects.ii) 220 KV |
| 12 | Erection of Lightening Arrestor on already erected steel structure including transportation of Lightening Arrestor, clamps & connectors, surge counter etc from site store to locations, fabrication of base frame, fixing of terminal connectors, surge counter, tightening of nuts & bolts etc, complete in all respects.ii) 132 KV |
| 13 | Erection of 220 KV Isolators (Motorised/ Non motorised) on already erected steel structure 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 terminal connectors etc, adjustment / alignment of isolator and its earth blade, if provided for their smooth operation and final adjustment if required after jumpering including erection of PI.a) Without Earth Blade |
| 14 | Erection of 1220 KV Isolators (Motorised/ Non motorised) on already erected steel structure 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 terminal connectors etc, adjustment / alignment of isolator and its earth blade, if provided for their smooth operation and final adjustment if required after jumpering including erection of PI.a) Tandem |
| 15 | Erection of 132 KV Isolators (Motorised/ Non motorised) on already erected steel structure 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 terminal connectors etc, adjustment / alignment of isolator and its earth blade, if provided for their smooth operation and final adjustment if required after jumpering including erection of PI.b) WithoutEarth Blade |
| 16 | Erection of 220 KV or 132 KV Circuit Breaker including transportation of equipments, structure members, nuts & bolts, clamps & connectors etc from site store to locations, assembly of support structure, their placing on foundation, levelling and preparing for grouting as required, but excluding grouting, assembly / placing of support coulmns / poles, mechanism box / control cubicle, and other accessories as per manufacturer\"s drawings, fitting of SF6 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 |
| 17 | Erection of 220KV Class EHV Transformer (Gas filled tankalready 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, equilizing pipe line, marshalling kisok etc as 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 charges. i) Transformer received Oil filled |
| 18 | ERECTION OF CONTROL & RELAY PANALS complete in all respects 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.ii) Duplex Panel |
| 19 | ERECTION OF CONTROL & RELAY PANALS complete in all respects 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. iii) Simplex Panel, DC Panel, RTCC Panel, PLCC Panel etc |
| 20 | 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 or 132 KV Marshlling Kiosk |
| 21 | 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 store to locations, laying in cable treches, cutting of required length, placing them on cable racks / cable trays / cable batten & dressing, including removing and re-fixing trech covers as required , making necessary connections, testing, cable marking on both the terminating ends 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 |
| 22 | 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 size a) 19 mm unarmoured control cable |
| 23 | 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 sizec) 25 mm unarmoured control cable |
| 24 | 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 crimped 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 |
| 25 | 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 crimped 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 Sqmm for any number of core |
| 26 | Dismentaling of 220KV, 132KV, 33KV & 11KV Bus Bar of ACSR & Tarantulla conductor including transportation of conductor, disc insulator & tension hardware from site store to location, laying & cutting required length of conductor, cleaning & assembly of disc insulators as required along with fitting of bolted type or compression type tension hardware as made availablebetween the beams with specified sag and tension, also equilising sag and fitting spacers and spacer T-clamps for twin conductor for three phase of conductors in each sub-section.(Per jumper basis) |
| 27 | Dismentaling of JUMPERS of ACSR conductor(3 nos Y type)between equipment or between bus to bus,including transportion of conductor,disc insulators and hardware from site stores to locations ,cleaning and assembly of disc insulators as along with fitting of suspension hardware and erectoin as reqired, cutting reqired length of conductor, making connections,fixing of spacers & spacer T-clamps as reqired,tightiening of clamps/connectors,dressing ect. For three phases.(Per jumper basis) any conductor |
| 28 | DISMENTELLING of Current Transformer / Potential Transformer / Capacitive Voltage Transformer / Series Reactor / Residual Voltage Transformer / Neutral Current Transformer with clamps & connectors on already erected steel structure including transportation from site store to locations, fabrication of base frame, fixing of terminal connectors, tightening of nuts & bolts etc, complete in all respects. 220 KV CT/PT/CVT |
| 29 | DISMENTELLING of Current Transformer / Potential Transformer / Capacitive Voltage Transformer / Series Reactor / Residual Voltage Transformer / Neutral Current Transformer with clamps & connectors on already erected steel structure including transportation from site store to locations, fabrication of base frame, fixing of terminal connectors, tightening of nuts & bolts etc, complete in all respects. 132 kvCT/PT/CVT |
| 30 | Dismental of lightening Arrestor on already erected steel structure including transportion of lighting Arre-stor,clamps&connectors,surge counter etc. from site store to locations fabrication of base frame,fixing of terninal connectors surge counter, tighting of nuts&bolts etc. complete in all respect. (I) 220 kv |
| 31 | Dismental of lightening Arrestor on already erected steel structure including transportion of lighting Arre-stor,clamps&connectors,surge counter etc. from site store to locations fabrication of base frame,fixing of terninal connectors surge counter, tighting of nuts&bolts etc. complete in all respect. (ii) 132 KV |
| 32 | DISMENTELLINGof Isolators (Motorised/ Non motorised) on already erected steel structure 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 terminal connectors etc, adjustment / alignment 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 KVWITHOUT EARTH BLADE |
| 33 | DISMENTELLINGof Isolators (Motorised/ Non motorised) on already erected steel structure 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 terminal connectors etc, adjustment / alignment 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 KVTANDEM |
| 34 | DISMENTELLINGof Isolators (Motorised/ Non motorised) on already erected steel structure 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 terminal connectors etc, adjustment / alignment of isolator and its earth blade, if provided for their smooth operation and final adjustment if required after jumpering including erection of PI. (I) 132 kv w/o EARTH BALDE |
| 35 | Dismentalof 220 KV Circuit Breaker including transportation of equipments, structure members, nuts & bolts, clamps & connectors etc from site store to locations, assembly of support structure, their placing on foundation, levelling and preparing for grouting as required, but excluding grouting, assembly / placing of support coulmns / poles, mechanism box / control cubicle, and other accessories as per manufacturer\"s drawings, fitting of SF6 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. |
| 36 | Dismantlingof 220 KV Class EHV Transformer (Gas filled tank already placed on foundation with wheels ) including transportation of Accessories from site store to location , Erection of HV , IV , LV & Netural bussing tank already placed on foundation with wheels) including transportation of accessories from site store to locations, erection of HV, IV, LV & Neutral bushings, erection of cooler bank with associated pipe line , radiators , fans , pumps main & OLTC Conservators , Equalizing pipe line , marshalling Kisosk , etc. as per manufacturer\"s drawing prepration of oil , oil filling , dehydration of transformer along 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 etc to marshalling kiosk etc but excluding testing & commissioning of transformer. |
| 37 | Dismentling ofCONTROL & RELAY PANALS complete in all respects 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. Duplex panel |
| 38 | Dismentling ofCONTROL & RELAY PANALS complete in all respects 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. 9ii) Simplex Panel, DC Panel, RTCC panel, PLCC Panel etc |
