tender for operation of air pollution control device connected with electric furnaces no 1 and 2 at dhapa electric crematorium , engagement of two ( 02 ) nos . air pollution control device operators ( skilled category ) in 2 shift during 24 hrs . having ability of fault-finding , minor repairing connected with the electrical , mechanical , water circulation , slurry water discharge system including damper id fan operation . ( as per mpl . secretary circular no . 46 of 2019-20 dated 19 . 02 . 2020 ) . , engagement of reliever for air pollution control device operators ( skilled category ) in the weekly of- days ( as per mpl . secretary circular no . 46 of 2019 dated 19 . 02 . 2020 ) : a . for january , march , may , july , august , october & december ( 31 days in each month ) , total no of off-days = [ ( 31-26 ) x 7 ] nos . = 35 nos . b . for april , june , september & november ( 30 days in each month ) , total no . of off-days = [ ( 30-26 ) x 4 ] nos . = 16 nos . c . for february ( 28 days ) , total no . of off-days = [ ( 30-28 ) x 1 ] nos . = 2 nos . , total nos . of off-days for each operator in a year = ( 35+16+2 ) nos . = 53 nos . total nos . of off-days for 2 nos . operators in a year = ( 53 x 2 ) nos . = 106 nos . , engagement of two ( 02 ) nos . helpers ( unskilled category staff ) in 2 shift during 24 hrs . ( as per mpl . secretary circular no . 46 of 2019-20 dated 19 . 02 . 2020 ) . , engagement of reliever for the helpers ( unskilled category staff ) in the weekly of- days . ( as per mpl . secretary circular no . 46 of 2019 dated 19 . 02 . 2020 ) a . for january , march , may , july , august , october & december ( 31 days in each month ) , total no of off-days = [ ( 31-26 ) x 7 ] nos . = 35 nos . b . for april , june , september & november ( 30 days in each month ) total no . of off-days = [ ( 30-26 ) x 4 ] nos . = 16 nos . c . for february ( 28 days ) total no . of off-days = [ ( 30-28 ) x 1 ] nos . = 2 nos . total nos . of off-days for each helper in a year = ( 35+16+2 ) nos . = 53 nos . total nos . of off-days for 2 nos . helpers in a year = ( 53 x 2 ) nos . = 106 nos . , engagement of one ( 1 ) nos . sweeper for sweeping the whole air pollution control device area cleaning the drain , sprading disinfectant etc . ( all sweeping material supplied by the contractor ) . ( as per mpl . secretarys circular no . 46 of 2019-20 dt . 19 . 02 . 2020 ) . , engagement of a reliever for the sweeper in the weekly of- days . ( as per mpl . secretary circular no . 46 of 2019 dated 19 . 02 . 2020 ) a . for january , march , may , july , august , october & december ( 31 days in each month ) total no of off-days = [ ( 31-26 ) x 7 ] nos . = 35 nos . b . for april , june , september & november ( 30 days in each month ) total no . of off-days = [ ( 30-26 ) x 4 ] nos . = 16 nos . c . for february ( 28 days ) total no . of off-days = [ ( 30-28 ) x 1 ] nos . = 2 nos . total nos . of off-days for 1 no sweeper in a year = ( 35+16+2 ) nos . = 53 nos . , proportionate casual leave imposed as per mpl . secretarys circular no . 23 of 2012-13 dt . 10 . 12 . 2012 vide the mic item no . m 39 . 7 dt . 14 . 08 . 2012 adding the total wages amount 4 . 53% .