Kolkata Metropolitan Development Authority Tender

Desilting of sewerlines by mechanical means with Jetting cum suction Machine (8000 Ltr. capacity Combination Suction cum Jetting Machine, mounted on 16 Ton GVW (BS-VI) chassis), setting up the over pumping arrangements,rodding and dislodging of accumulative silt from the pipeline ,removal of silt by mechanical means after removing concrete slab / manhole cover etc. without damaging the same and refixing the same properly after cleaning as necessary and removing the sludge etc. including expulsion of impure / inflammable / asphyxiating gases from the drains etc. to the ground including barricading, cleaning of sewers and machinhole, disposal of removed silt upto a distance of 20 Kms, necessary all complete as per the instructions of the Engineer-incharge. Dia of sewer line 1600 mm. [Considering 70% of total length]

Cleaning rubbish, sludge, weeds scum, liquid earth, mud etc. from conduits of any dia. upto 900 mm and from any depth, etc. by mathor labour after removing concrete slab / manhole cover etc. without damaging the same and refixing the same properly after cleaning as necessary and removing the sludge etc. by using iron pans, buckets including all labour, tools & plants including expulsion of impure / inflammable / asphyxiating gases from the drains etc. and removing the spoils in dry condition and disposing the same by truck beyond the area of Municipal Corporation / Municipality / Notified Area Authority / Industrial Township Authority etc. for such disposal including the cost of loading, unloading, transportation and making arrangement of necessary land for disposal, spreading and leveling as necessary etc. and cleaning the road side in all respects, complete as per direction of the Engineer- in-Charge. (Payment will be made on the basis of actual stack measurment of spoils in dry condition at roadside) [Considering 30% of total length] [Considering 30% of total length]

Removal of rubbish, earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge