Dredging work towards downstream of Kolong River for additional stretch from Jokholabondha Hospital Tiniali Bridge Point with the help of Departmental Cutter Suction Dredger and development of fleet of machineries for the year 2024-25.

Amount

Operational & maintenance of the cutter suction dredger with Technical Crew having valid license, expertise of corrective & maintenance dredging work for proper dredger operation

Engagement of Labours for various aspects of assisting works & helping requirements to facilitate operation of the Cutter Suction Dredger unit including watch keeping duty as directed. 4 Nos x 75 days =300 Mendays

Hire charges for deployment of 4 (four) Nos. of Chain Mounted Hydraulic Excavator – 220 having bucket capacity 0.90 cum for making ways by channelization & excavation of the deposited sand bar /sediments from the river bed to achieve the required draft for the Cutter Suction Dredger facilitating the movement towards the actual worksite of Kolong river and to be deployed for assisting work of excavation, Channel Cutting, Leveling, Dressing during dredging to maintain proper grade & depth as required of the section including dressing to the design section complete including operator & maintenance on daily basis considering minimum 6-8 effective working hours per day including cost of fuel / POL etc.

Clearing of deposited compact water hyacinth root, aquatic tree bunches & plants etc. from that channel stretch from the bed of Kolong river including cutting, removing and stacking at places away from the bank etc of the channel complete with all lead and lift as directed to facilitate Dredging work with the help of Cutter Suction Dredger

Hire charge of Tractor with Trolley and load carrying capacity of minimum 5ton along with operator and helpers including cost of HS Diesel / P.O.L.

Hire charge of 2 (two) nos. 60-80 ton capacity of heavy duty cranes for lifting & shifting of Cutter Suction Dredger units comprise of heavy spud ( 16 inch dia x 13.2 mtr length ) which need deployment by disassembling & reassembling across the span & over the existing RCC bridges to facilitate the execution of dredging works including cost fuel & lubricant, cost of operator with minimum 8 hrs /day effective working

Hire charge of 2 (two) nos.14 ton capacity of heavy duty hydra crane for shifting of Pipe Lines, Floats and other accessories of the Cutter Suction Dredger unit including fuel & lubricant, cost of operator with minimum 8 hrs /day effective working

10-3/4 ID Dredge sleeve hose

Dredger Spud sleeve joint with supply, fitting & fixing

Quick release Ball Joint

Fuel Filter assembly 1R0755

Oil Filter 1R1808

Dredge Cutter & Drag head repairing & Dredge valve Overhauling with fitting fixing of bracket, sealing assembly, sealing box, back liner, shoulder ring, liner, discharge liner tube, throat bush, water sleeve, wear resistant ring, suction liner tube, sealing box protection ring, sand control plate, release collar etc. complete as directed.

M/S K.B. ENGINEERS (BID ID -250082)

PRAKASH ENTERPRISES (BID ID -250319)

M/S M R ENTERPRISE (BID ID -250295)