annual rate contract for clearing of shrubs , plants and jungles and cleaning of building peripheral drains and storm water drains of ppsp township . , clearing and grubbing land including uprooting wild vegetation , grass bushes , shrubs , saplings and trees of girth upto 300 mm , removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used , upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm as directed . ( payment to be made on area cleared and by manual means ) . , cleaning and removing conservancy garbage mixed with rubbish & other filthy materials from the road side flank , drain and compound including cutting , loading , unloading to and from truck or cart by mathor labour & removing the same to any distance ( outside township area ) . , a . cost of civil works as per p . w . d . s . o . r . excluding gst & labour welfare cess - , b . gst as applicable @ 18% on a - , c . cost of civil works excluding labour welfare cess - ( a+b ) - , d . labour welfare cess @ 1% on c - , e . cost of civil works including labour welfare cess - ( c+d ) - , f . ( - ) , deduct gst - b - , g . estimated amount of this work excluding gst but including labour welfare cess -