bids are invited for upkeep of hpcl chennai new terminal housekeeping of ttg , housekeeping of terminal entrance and ttg driveway , housekeeping of the tw gantry , housekeeping of the floors of the buildings , housekeeping of tt crew block , housekeeping of toilets , housekeeping of pph and manifold area , housekeeping of sko and ms tank farm , housekeeping of hsd and atf tank farm , housekeeping of misc. sheds and underground tank farms , removal of slit and mud from drains and cleaning of waste water drain chambers , operating ro plant and sewage treatment plant on daily basis , fill water tank , housekeeping of tt parking area , housekeeping of approach road , housekeeping of dykes and roads , house keeping of solar yard , laboratory cleaning , miscellaneous area cleaning , miscellaneous jobs , tractor services , gardening services , grass cutting services total quantity : 18288867