REPLACEMENT OF VARIOUS EQUIPMENTS AT 132 KV GSS SAGWARA 02 X 33 KV FEEDER BAY AT 132 KV GSS SAGWARA 01 No 132 KV Feeder Bay at 220 KV GSS SAGWARA

Laying of earth mesh with 25mm I 28mm dia. M.S. Rod at a depth of 0.80 metre 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 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) i) any soil, softrock other then hard rock

ii) Hard rock(with blasting subject to permissionor without blasting )

i) any soil, softrock other then hard rock

ii) Hard rock (with blasting subject to permission or without blasting )

Placing/ Driving of Earth Electrode of 25/28 MM dia M.s. Rod of length 3.30 meters (approx.) to a depth of 3.80 meter 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, prepration 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 3.80 meters below top level of foundations (M.S.Rod of above size & M.S.Flat as required shall be made available by RVPN) Any Soil, soft rock other than hard Rock

Hard rock (with blasting subject to permission or without blasting

ERECTION OF STEEL STRUCTURE 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 meters)

Bus-Bar Work STRINGING of 220 KV, 132 KV, 33 KV & 11KV Bus Bar of ACSR & Tarantulla conductor, including transportation of conductor, disc insulators and tension hardware from site stores to location, laying and cutting required length of conductor, cleaning and assembly of disc insulators as required along with fitting of bolted type or compression type tension hardware as made available, 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 basisii) Any single Conductor

ii)AnyDoubleConductor

JUMPERS of any 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 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 1connectors, dressing, etc., for three phases. (Per jumper basis) i) Any Conductor