procurement of 02 nos. amphibian excavator machine. , supply, commissioning & testing of amphibian of engine capacity 65 hp (minimum) water cooled diesel engine with boom length 6 mtr (minimum) and unloading height from water level 4.5 mtr (minimum) for removal of silt, sludge, floating material from the narrow and congested area drain including one year comprehensive maintenance and operation for six months that includes machine operator & consumables like hoses and seals. note: the rates are inclusive of basic cost (packing for export, sea freight, transit insurance, import duties, cleaning charges, stamp duty, port fees, road transportation, gst as per applicable at the time of delivery & all cost towards installation & commissioning of equipment , cost of operation of 02 nos amphibian excavator by providing 02 nos skilled operator for 04 year 06 months starting from six month (02 x 4.5 x 12 = 108 months) , cost of watch and ward of 02 nos amphibian excavator by providing 10 nos watch and ward staff for five years (10 x 5 x 12 = 600 months) , cost of comprehensive, maintenance including repair, spare parts, servicing etc except fuel oil and lubricants for 02 nos amphibian excavator for 2nd year (02 x 12). (rate are inclusive of all taxes.) , cost of comprehensive, maintenance including repair, spare parts, servicing etc except fuel oil and lubricants for 02 nos amphibian excavator for 3rd year (02 x 12). (rate are inclusive of all taxes.) , cost of comprehensive, maintenance including repair, spare parts, servicing etc except fuel oil and lubricants for 02 nos amphibian excavator for 4th year (02 x 12). (rate are inclusive of all taxes.) , cost of comprehensive, maintenance including repair, spare parts, servicing etc except fuel oil and lubricants for 02 nos amphibian excavator for 5th year (02 x 12). (rate are inclusive of all taxes.)