Rajasthan Rajya Vidyut Prasaran Nigam Ltd-RRVPN has published Tender For Augmentation Work Of Shifting Of Existing 33Kv Switchyard At 220Kv Gss Nph Jaipur. Submission Date for this Tender is 14-03-2024. Switch Yard Tenders in jaipur Rajasthan. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 06-Mar-2024 | Date extension | Date | 14-03-2024 |
| Sl. No. | Item Description |
| 1 | EARTH MESH WORK |
| 2 | Laying of earth mesh with 25mm/28 mm.dia M.S Rod at a depth of .80 meter from top level of foundations including excavation of trench of required depth and backfilling of the same transportation of M.S. Rod from site store to locations,welding of M.S.Rod along the length at crossing and with earth electrodes as per drawing application of btumen compound and covering with bitumen impregnated tap on all welded joints,for the type of soil prevent at .80 merter below top level of foundations(M.S. Rod of above sizes&M.S. Flate as rquired shall be made available by RVPNL. (a) In case elecricty is made available by RVPNL without charges ( i) Any soil soft rock other than hard rock |
| 3 | Laying of earthing risers of 50x12 mm upto 50x6 mm size M.S. Flate at a depth of .80 meter from top level of foundation including excavation of trench of required depth and backfilling of the same transportation of M.S. Rod from site store to locations,preparation of risers bendinf as per requirement (after heating if nccessary(,fixing on and welding /bolting to equipment/structure and peacks of structures layinf in the trench welding to the earth mesh of M.S Rodas per drawing, including welding of extra length of M.S.Flate required application of btumen compound and if covering with bitumen impregnated tap on all welded joints,paiting of all surface of risers above ground level with red oxide and green paint, for the type of soil prevalent at0 .80 metre below top level level of foundatios(M.S.Rod of above sizes&M.S. Flate as rquired shall be made available by RVPNL).a)In cash electricity is made available by RRVPNL without charges. ( i) Any soil soft rock other than hard rock |
| 4 | Placing/Drawing of earth electrode of 28 mm dia.M.S.Rod of length 3.30 meters(approx) to a depth of 3.80 meters from the top level of foundations, including excavation of pit as required and backfilling of the same transportion of M.S. Rod from site 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 btumen compound and covering with bitumen impregnated tapon all welded joints,for the type of soil prevalent at 3.80 metres below top level of foundation (M.S.Rod of above sizes&M.S.Flat as required shall be made available by RVPN. a)In cash electricity is made available by RRVPNL without charges.( i) Any soil soft rock other than hard rock |
| 5 | ERECTION OF SUB-STATION STEEL :Structures colums,beams,lighting mastand equipment structures(excluding circuit breaker andcapicator bank) of all types including transportation of structure |
| 6 | BUS BAR WORK:-Erection of 220KV,132KV,33KV bus bar of ACSR & Tarantulla conductor,disc insulators and tension hardware from site store to locatoins,laying and cutting required length of conductor, cleaning and assemly of disc insulators as required along with fitting of bollted type or compression type tension H/W as made availlable(compression machine shall be providedby RVPNon 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 spacer T clamps for twin conductors,for three phase of conductor in each bus section.(Per Jumper Basis) |
| 7 | i)Single ACSR zebra |
| 8 | ii)Double ACSR zebra |
| 9 | JUMPERSof ACSR conductor(3nos 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) |
| 10 | 1)Any conductor |
| 11 | STRINGING of earth wire (size7/3.15mm7/4 mm ) including transportion of earth wire,tensions hardware etc.from site store to loctions, laying and cutting requiredlength 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 speci- sag and tension,jumpering and connecting earth bonds,for single earth wire |
| 12 | ERECTION OF SUB-STATION EQUIPENTS:-Erection of Current Transformer/Potencial Transformer/Capcitive Voltage Transformer with clamps & connectors on already erected steel structure including transportion from site store to locations, fabrication of base fram,fixing of terminal connectors lightening of nuts& bolts etc.complete in all rsepects |
| 13 | ii) 33 KVCT/PT |
| 14 | Erection of lightening Arrestor on already erected steel structure including transportion of lighting Arrestor,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. |
| 15 | i) 33 KVLA |
| 16 | Erection of isolarors on already erected steel structure including transportion of base fame,P.I."s contacts,mechanim box,clamps&connectors etc. from the site store to locations,minor fabrication as required and fixing of terminal connectors etc adjustment/aligment of isolator and its earth blade, if provided for their smooth opertion and final adjustment if required after jumpering. i)33KV |
| 17 | a) without Earth Blade |
| 18 | a) with Earth Blade |
| 19 | Erection of 33 Circuit Breaker including transportation of equipment structure members nurts& bolts,clamp & connectors, accessories etc from sitestore to location,assembly of support structure their placing on foundation,levelling and preparing for grouting as required but excluding gouting, assembly placining of support columns/poles mechanim box/control cubicle and other accessories as per bmanufacture,s drawings filling of sf6 gas pipeline,fabrication og air/oil pipeline as required,electrical wing from pole to control cubicle. fixing of terminal connectors as required but excluding commissiong of CB . |
| 20 | i) 33 KV CB |
| 21 | Erection of marshaling kiosk/line matching unit(LMU)/line matching &distribution unit (LMDU)complete in all respectincluding transportion from site store to loction,placing on foundation/cable trench as per layout ,preparing for grounting on foundation bolts but excluding grouting etc. |
| 22 | ii) 33 KV or 11 KV marshalling box |
| 23 | LAYING AND TERMINATION OF CABLES. :-i)Laying of PVC insulated unarmored /armored control cables of 1.1 kv grade with copper condutor in cable trenches as per sepecification as required, including transportion of cable drum from site store to locations,cutting to required length,placing them on cable racks/cable trays/ cable batten and dressing,including removing and re-fixing trench covers as required, making necessary connections testing,cable marking on both termimating ends,ets. as required for all size from 2cx2.5 sq.to 20x2.5sq mm & 4x4 sq mm |
| 24 | a)Unarmored control cable |
| 25 | ii) Fixing of control cable in position with single compression nickle plated brass cable glands confirming to IS 12943 & having three metal washers and one rubber ring including preparion of cables and drilling of corresponding holes in gland plated etc as reuired & including cost of cable glands,for each gland sizes. |
| 26 | a) 19 mm Unarmored control cable |
| 27 | b) 25 mm Unarmored control cable |
| 28 | c) 32 mm Unarmored control cable |
| 29 | 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 clamped with crimping tool,including making wire ends ready for crimping ferruling & dressing of wire etc as required including cost of terminal ends for all wires for each cable al lboth ends for cables of the following sizes |
| 30 | a) 2.5 sq.mm for any number of core |
| 31 | b) 4 sq.mm for any number of core |
| 32 | c) 6 sq.mm for any number of core |
| 33 | PART "B" FOR DISMENTALING WORK :-Laying of earthing risers of 50x12 mm upto 50x6 mm size M.S. Flate at a depth of .80 meter from top level of foundation including excavation of trench of required depth and backfilling of the same transportation of M.S. Rod from site store to locations,preparation of risers bendinf as per requirement (after heating if nccessary(,fixing on and welding /bolting to equipment/structure and peacks of structures layinf in the trench welding to the earth mesh of M.S Rodas per drawing, including welding of extra length of M.S.Flate required application of btumen compound and if covering with bitumen impregnated tap on all welded joints,paiting of all surface of risers above ground level with red oxide and green paint, for the type of soil prevalent at0 .80 metre below top level level of foundatios(M.S.Rod of above sizes&M.S. Flate as rquired shall be made available by RVPNL).a)In cash electricity is made available by RRVPNL without charges. |
| 34 | ( i) Any soil soft rock other than hard rock |
| 35 | ERECTION OF SUB-STATION STEEL |
| 36 | Structures colums,beams,lighting mastand equipment structures(excluding circuit breaker andcapicator bank) of all types including transportation of structure members,nut&bolts washers etc. from site store to locations their assembly, placing on foundation,fixing template,with foundation bolts as required,levelling andpreparing for grouting as required,but excluding grouting erection after grouting and toghtehing&punching of nut&bolts. (maximun height of structures up to 20 meters) |
| 37 | BUS BAR WORK :- 26-02-2024 26-02-2024-Dismantling of 220KV,132KV,33KV bus bar of ACSR & Tarantulla conductor,disc insulators and tension hardware from site store to locatoins,laying and cutting required length of conductor, cleaning and assemly of disc insulators as required along with fitting of bollted type or compression type tension H/W as made availlable(compression machine shall be providedby RVPNon 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 spacer T clamps for twin conductors,for three phase of conductor in each bus section.(Per Jumper Basis) |
| 38 | i)Single ACSR zebra |
| 39 | ii)Double ACSR zebra |
| 40 | JUMPERSof ACSR conductor(3nos 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) |
| 41 | 1)Any conductor |
| 42 | DISMENTALINGOF SUB-STATION EQUIPENTS :-Erection of Current Transformer/Potencial Transformer/Capcitive Voltage Transformer with clamps & connectors on already erected steel structure including transportion from site store to locations, fabrication of base fram,fixing of terminal connectors lightening of nuts& bolts etc.complete in all rsepects |
| 43 | ii) 33 KVCT/PT |
| 44 | Erection of lightening Arrestor on already erected steel structure including transportion of lighting Arrestor,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. |
| 45 | i) 33 KVLA |
| 46 | Erection of isolarors on already erected steel structure including transportion of base fame,P.I."s contacts,mechanim box,clamps&connectors etc. from the site store to locations,minor fabrication as required and fixing of terminal connectors etc adjustment/aligment of isolator and its earth blade, if provided for their smooth opertion and final adjustment if required after jumpering. i)33KV |
| 47 | a) without Earth Blade |
| 48 | b) with Earth Blade |
| 49 | Erection of 33 Circuit Breaker including transportation of equipment structure members nurts& bolts,clamp & connectors, accessories etc from sitestore to location,assembly of support structure their placing on foundation,levelling and preparing for grouting as required but excluding gouting, assembly placining of support columns/poles mechanim box/control cubicle and other accessories as per bmanufacture,s drawings filling of sf6 gas pipeline,fabrication og air/oil pipeline as required,electrical wing from pole to control cubicle. fixing of terminal connectors as required but excluding commissiong of CB . |
| 50 | i) 33 KV CB |
| 51 | Dismantling of Post insulator on already erected structures including transporation of P.I"s, nuts & bolts, clamp and coonectors etc from location to site store. |
| 52 | iii) 33KV or 11KV |
| 53 | Erection of marshaling kiosk/line matching unit(LMU)/line matching &distribution unit (LMDU)complete in all respectincluding transportion from site store to loction,placing on foundation/cable trench as per layout ,preparing for grounting on foundation bolts but excluding grouting etc. |
| 54 | ii) 33 KV or 11 KV marshalling box |
| 55 | LAYING AND TERMINATION OF CABLES Control Cables.i)Laying of PVC insulated unarmored /armored control cables of 1.1 kv grade with copper condutor in cable trenches as per sepecification as required, including transportion of cable drum from site store to locations,cutting to required length,placing them on cable racks/cable trays/ cable batten and dressing,including removing and re-fixing trench covers as required, making necessary connections testing,cable marking on both termimating ends,ets. as required for all size from 2cx2.5 sq.to 20x2.5sq mm & 4x4 sq mm |
| 56 | a)Unarmored control cable |
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