Construction of 132 KV GSS Moolana (Jaisalmer)

EARTH MESH WORK Laying of earth mesh with 25/28 mm dia, M.S. Rod at a depth of 0.80 meter from top level of foundation including, excavation of trench of required depth and back filling of the same transportation of M.s Rod from site store to location, welding of M.S Rod to M.S.Rod along the length at crossing and with earth electrode as per drawing application of bitumen compound and covering with bitumen impregnated tape on all welded joints, for the type of soil prevalent at 0.80metre below top level of foundation( M.S Rod of above sizes & M.S Flat required shall be made available by RVPN. a)In case electricity is made available by RVPN without charges iii)Soft Rock

Laying of eathing risers of 50x6mm/50x10mm/50x12mm size M.S Flat at a depth of 0.80 meter from top level of foundation ,including excavation of trench of required depth and black filling of the same ,transportation of M.S Flat from site store to location preparation of risers ,bending as per requirement (after heating if necessary), fixing on and welding /bolting to equipment /structure and peaks of structures, laying in the trench, welding to the earth mesh of M.S. Road as per drawing including welding of extra length, if 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 foundation (M.S pod 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. iii)Soft Rock

placing drawing of earth electrode of 25/28mm dia M.S. Rod of length 3.30 metre(app.) to a depth of 3.80 from top level of foundation including, excavation of pit of required depth and back filling of the same transportation of M.s Rod from site store to location,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 soil prevalent at 3.80metre below top level foundation( M.S Rod of above sizes & M.S Flat required shall be made available by RVPN. a)In case electricity is made available by RVPN without charges. iii)Soft Rock

placing of earth electrode of 25/28mm dia M.S. Rod of length 7.50metre(app.) to a depth of 8.00meter from top level of foundation including of 200mm dia earth pit having throughout bore of 200mm dia a depth of 8.00meter from top level of foundation in all types of rocks by DTH system and over burden ,including back filling of pit with bentonites slurry (with cost of bentonites slurry ), including its preparation ,transportation of M.S rod and bentonites from site store to location ,cutting of M.S rod desired length welding of earth electrode to earth mesh of M.S.Road 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 required shall be made available by RVPN.) a)In case electricity is made available by RVPN without charges.

ERECTION OF SUB-STATION STRUCTURES columns, beams ,lighting mast and equipment structure(excluding circuit breaker and Capacitor bank) of all types including transportation of structure members, nuts &bolts, washers etc from site store to location their assembly, placing on foundation, fixing of template, with foundation bolts as required leveling and preparing for grouting as required but excluding grouting erection after grouting and tightening & punching of nuts &bolts (maximum length of structures up to 20 Mtrs.)

BUS- BAR WORK ;-STRINGING OF 220KV,132KV,33KV&11KVbus bar of ACSR conductor , including transportation of conductor ,disc insulator and tension hardware from site store to location laying and cutting required length of conductor, cleaning and assembly of disc insulator as required along with 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 spacer T-clamps for twin conductor for three phases of conductors in each bus-section , ii) Single ACSR Zebra

BUS- BAR WORK:- STRINGING OF 220KV,132KV,33KV&11KVbus bar of ACSR conductor , including transportation of conductor ,disc insulator and tension hardware from site store to location laying and cutting required length of conductor, cleaning and assembly of disc insulator as required along with 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 spacer T-clamps for twin conductor for three phases of conductors in each bus-section iii) Double ACSR Zebra

JUMPERS OF ACSR CONDUCTOR (3NOS 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 location ,cleaning and assembly of disc insulator as required, along with fitting of suspension hardware and erection as required cutting required length of conductor making connection ,fixing of spacers & spacer T- Clamps as required ,tightening of clamps/ conductors, dressing etc, for three phases. i) Single ACSR Zebra/Panther Conductor

STRINGING of earth wire (size 7/3.15mm or 7/4.00mm) including transportation of earth wire, tension hardware’s Etc, from site store to location laying and cutting required length of earth wire flitting of bolted type or compression type hardware as made available (compression machine shall be provided by RVPN rent free basis) making up at one end stringing of earth wire between structure peaks with specified sag and tension ,jumpering and connecting earth bonds single earth wire