different operation and maintenance works of bhaderwah hep electrical works as per detailed scope of works in sbd as per sbd- 1 overhauling & repairing of 2 no. 100 kva auxiliary transformer at switch yard. the job includes cost of materials, transportation, t& p items, to & fro carriage charges and labour engaged for the execution of job. 2 stabilization and routine maintenance of 11 kv line by way of erection of 7 no. poles, xlpe cable kit from power house to r / station dandi. the job includes shifting and route alignment of existing 11 kv line for 8 no. poles, replacement of damaged conductors ( 200 meter ) , wherever required, straightening of tilted poles ( 15 nos. ) , providing and tightening of guy wires / insulators at locations ( 20 nos. ) , branch cutting ( 10 km ) , replacement of worn out jumpers and allied jobs of tightening of loose conductor to maintain clearance. the job includes cost of materials, transportation, t& p items, to & fro carriage charges and labour engaged for the execution of job. 3 replacement of faulty illumination lights and wiring in machine hall and switch yard, inverter, battery water and for battery bank, checking, cleaning, replacement of worn out strip terminals, checking special gravity and spraying to prevent oxidation. the job includes cost of materials, transportation, t& p items, to & fro carriage charges and labour engaged for the execution of job. 4 uprooting of grass, unwanted bushes in s / yard, adjoining areas, cleaning of cable ducts in m / c-hall to switch yard. the job includes cost oftransportation, t& p items, to & fro carriage charges and labour engaged for the execution of job. 5 replacement / provision of spare tap changer for 1 mva transformer, setting of tap changer & motor for 2 mva transformer and plugging of leakages of 1 mva transformer. the job includes cost oftransportation, t& p items, to & fro carriage charges and labour engaged for the execution of job. 6 repair & maintenance of 110 v battery charger at machine hall. the job includes repairing, material and labour cost including transportation charges.