M AND R TO CONSTRUCTION OF EMBANKMENT ALONG LEFT BANK RIVER LONGAI FROM GHANDHIMUKH TO DIGHALBAK FOR THE YEAR 2025-26.

Earth work in embankment by Tractor-trailer carriage by mechanical means with locally available ordinary soil excluding rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22 cm. thick including ploughing or roughening or benching the seats, removing all debris, breaking clods up to 2.5 cm cube, dressing as per design section, etc. complete as directed. (10% deduction will be made from the section measured quantities of the completed and compacted earth work on account of shrinkage). For initial lead up to 1 Km and for all lifts For every Km extra lead beyond initial lead of 1 Km & up to 10 Km. (For 6 Km lead)

Cutting bamboo, uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

Supply of geo-textile Tube (Mega containers) with minimum properties as mentioned below  Polymer = PP  Tube Circumference = 4.3 / 8.6 / 12.9 / 14.2 / 16 /17.2 / 21.6 + 5% (m)  Fill Port (diameter) = 30 to 45 CM  Tensile Strength (MD) ≥ 100 kN/m  Tensile Strength (CD) ≥ 100 kN/m  Elongation – MD ≤ 25%  AOS ≤ 0.180 mm  Permittivity ≥ 0.40 S-1  Length = 10 / 15 / 20 / 25 / 30 m Tube circumference = 4.3 (m) Length = 25 m

Filling of geo-tubes (25m long and 4.3m circumference) with sand volume of 32.265 cum by using mud pump not below the fill height of 0.7 m as per drawing and technical specifications, binding the tube with 9mm nylon rope to jati bamboo pegs of length 2m placed 2.5m c/c along both sides of the tube and at both ends to keep the tube in position during filling, as specified and directed including all loading, unloading and handling charges and local carriage upto a distance of 250M, pumping slurry using mud pump from a distance upto 500m, etc. including setting up of the tube laying platform, complete as directed.