AUGMENTATION WORK OF 220 132 kV 200 MVA IN PLACE OF 100 MVA POWER TRANSFORMER AT 220 KV GSS LALSOT DIST- DAUSA WITH OIL FILTERATION AND SHIFTING OF 220 132 KV 100 MVA POWER TRANSFORMER AT 220 KV GSS LALSOT

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

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

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

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 available between 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

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)

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

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. iii)132 KV CT/PT/CVT

Erection of 1220 KV Class EHV Transformer (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, 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

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

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. b) Armoured control cable