removing chockup on drainage line in ward-91 , desilting the sum of sewerage work in wet or dry condtion including lifts 0 to 9 . 00 mt and lead upto 150 m as required byond the work site , stacking spreading , including necessary quarding etc . complete as directed by the engineer in charge ( as per mjp dsr 2011-2012 ) upto 0 to 9 m depth , transportation of surplus material from work site to any disposal place as directed by the engineer in chare with a lead of 1 . 00 km including and stacking etc . complete ( as per pwd dsr 2002-2003 ) 1 . 00 manuar or sludge , removing chock up on existing drinage line including required dewateing by pump desilting of manhole desilting of existing driange line by using power bucket machine and rodding machine including trnsporation of rodding machine etc . com . 150 to 250 mm dia drainage line