Dredging the Kosasthalaiyar Backwater area for removal of Charru Mussels (Kaaka Aazhi) from L.S.6300 m to 8000 m in Kattupalli Village and branch channel in Puzhuthivakkam Village of Ponneri Taluk of Thiruvallur District.

Removal of sludge, slush, silt, debris, plastic waste, water weeds, using appropriate special machineries like dredger along the cutter section having maximum capacity of 300cum solids per hour which can dredge to a maximum of 8.00m depth and dispose the dredged material to a maximum of 4Km on either one of the outer slope of river banks whichever is convenient as per the prevailing site conditions for easy conveyance and jungle clearance by pumping operation along with suitable pipeline and other required accessories with other mechanical devices for the entire stretch to reach the bank. the rates including cost of transportation, Mobilization and demobilization of machinery, hire charges, cost of fuel, labour charges for surveying and operation of dredger, crew and other related works etc. complete complying with standard specification and as directed by the departmental officers.(Dredging of Charru Mussels)

Conveying the excavated and desilted materials by deploying earth moving machineries and conveying the excavated earth by using lorries/Tippers with a lead of 15km including loading and unloading of the silt to the dumping yard as shown the departmental officer and levelling the same as complete complying with standard specification and as directed by the departmental officers (Conveyance of Composite Mixture of Charru Mussels)

GST 18 % in Figures