supply of labour for operation of 2000kva sub station in the new high court building ernakulam from 01_05_2020 to 31_03_2022 . , operation contract , od84535/2019_2020 : supply of labour for the operation of the existing sub station consiting of : 2 nos . 750kva and 1 no . 500 uss , 3 nos . 500 kva and 1 no . 50 kva diesel generator sets , panels and other electrical installation provided in in the high court complex building under the overall supervision of assistant engineer , p . w . d . electrical section high court ernakulam . the labour for duty staffs will be arranged as given below . 1 . shift duty with 8 hours span for 24 hours in substation with 1 no diploma holder and 1 no . iti holder . 2 . shift duty from 9 am to 7 pm for general maintenance in addition above in the high court building with 2 nos iti holders and 1 no . wireman assistant . details of electrical installation a ) 2 nos 750 kva & 1 no . 500kva transformers with vcb panel b ) 3 nos 500 kva & 1 no . 50kva diesel generator with control panel c ) main switch board for the 2 nos 750 kva transformer , 1 no . 500 kva transformer , 3 nos 500 kva & 1 no . 50 kva diesel generator set with amf panel and other control accessories d ) 1 no ups main panel , and its distribution boards . the above labour contract includes attending of all fuse call and complaints immediately on receiving .