repair maintenance of e and m service at various offices adjacent to dvs as dip , pao 9 and 11 , 9 sham nath agriculture marketing board estate branch directorate of education and ludlow castle training venue etc . sh-repairing and overhauling of ventilation units and servicing and maint . of ac units , comprehensive running maintenance of window type a . c unit / split type a . c unit / cassettes type a . c units of 1 . 5 t . r / 2 . 0 t . r capacity . water cooler / ductable ac coloum etc . for twelve month after completion of servicing overhauling repairing etc . as required at site i / c . servicing of wtac / stac / cassette type a . c units including cleaning , washing with high pressure water spray electric machine , coil cleaning with chemical , blower oiling , greasing including replacement of blower , motor , compressor , pcb , plug top , 3 core copper conductor cable , remote and all types of defective parts , condenser coil , cooling coil , charging of refrigerant gas to make the already installed w . t . / split / cassette type a . c units fully functional with genuin spares and reinstallation of the same etc . complete as required . the ac units / water cooler will be handed over to the agency on as it is where it is bases for servicing and comprehensive maintenance . the firm is advised to visit the site , before quoting the rates . all the above units were functional last year , nothing extra shall be paid for above items for making the units fully functional , testing and commissioning complete as reqd . ( note:- the contractor is required to complete the servicing & repairing of all air conditioning equipments within a period of one month and submit the record to the department . the comprehensive maintenance shall be treated as started only after acceptance by the department that all equipment have been serviced by contractor . ) the contractor will handover all the unit in fully functional condition on completion of the work . dismentaled material will be taken back by the contractor for which necessary rebate shall be considence while quoting the rates . 155 units for 12 months ( 155 x 12=1860 )