comprehensive job contract for upkeep and maintenance of office premises , laboratory buildings and roads and pathways etc at csir madras complex and its participating units , cleaning of various areas of the institute on regular basis as per schedule of work given in annexure a , cleaning by sweeping , swabing , mopping of vitrified / ceramic tiled flooring of rooms / labs once in a day , removing of cobweb , dusting and cleaning of furniture fixtures , doors , windows etc . as per item no . i ( i ) of annexure a ( 8157 sq . mts x 26 days=212082 sq . mts . ) , cleaning by sweeping , swabing , mopping of ordinary concrete floors of rooms / labs once in a day , removing of cobweb , dusting and cleaning of furniture fixtures , doors , windows etc . as per item no . i ( ii ) of annexure a ( 3081 sq . mts x 26 days=80106 sq . mts . ) , cleaning by sweeping , swabing , mopping of floors of toilet once in a day , removing of cobweb , dusting and cleaning of doors , ventilators etc as per item no . i ( iii ) of annexure a ( 463 sq . mts x 26 days=12038 sq . mts . ) , cleaning by sweeping of main roads / open places once in a day , as per item no . ( ii ) of annexure a ( 11147 sq . mts x 26 days=289822 sq . mts . )