annual repair maintenance of electrical and mechanical installation at nagpur airport for the year 2020 21 sh annual operation and maintenance of electrical and mechanical installations in ntb armo of e and m installation at nagpur airport for the year 2020 21 sh annual operation and maintenance of electrical and mechanical installations in ntb , annual day-to-day maintenance of electrical & mechanical installations at new terminal building , otb , other areas round the clock i . e . 24 hours on all working days including pump operations of ancillary building i/c sundays & holidays involving repairs & maintenance , attending complaints , preventive / routine / breakdown maintenance , documentations etc . as per the contract terms & conditions and directions of e-i-c . job includes operation of pumps at terminal building . the scope of work comprises day to day maintenance and operation of the system and to keep the system in good working condition at all times as mentioned in particular specifications & supplementary special condition of contract . ( spares will be provided by mil )