annual maintenance of various 132 / 33 kv sub-stations of etsd-ii, unnao under etd, unnao , round the clock , preventive , routine & general / minor break down maintenance of transformer , switchyard equipments , control & relay panels , rtcc panels , acdb , battery sets , battery charger , dcdb ( 1x110v ) , acdb , dg set , lighting system ( 132 kv & 33 kv switchyard , control room , street light ) by a team comprising following experienced technical persons as per standard practice of upptcl & instruction of ae / je for the period of 01 year with cost men miscellaneous , t&p etc . required for the job except spare materials at :- , 132 kv s / s sonik , unnao ( a ) tg-ii ( electrical trade ) -01 no . ( b ) helper ( semi skilled ) -02 no . , maintenance of sub-station lawn , 132 kv s / s bighapur , unnao ( a ) tg-ii ( electrical trade ) -01 no . ( b ) line man / technician ( skilled ) -01 no . ( c ) helper ( semi skilled ) -02 no . , maintenance of sub-station lawn , 132 kv s / s maurawan , unnao ( a ) tg-ii ( electrical trade ) -01 no . ( b ) line man / technician ( skilled ) -01 no . ( c ) helper ( semi skilled ) -02 no . , maintenance of sub-station lawn