Flood mitigation of Tuni river in Majuli by capacity augmentation of wetland storage reservoir at Vokoti, Assam.

Clearing of deposited compact water hyacinth root and other aquatic plants from the bed of drains/ channels including cutting , removing and stacking at places away from the bank etc complete with all lead and lift complete as directed

Thick Jungles: Clearing thick jungles and trees up to 15 cm girth including cutting, uprooting roots and stumps, removing them from the site of the work up to a distance of 30 m, etc. complete as directed. (When more than 60 % of the area is covered by shrubs, trees etc.)

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

Felling trees including uprooting roots and stumps up to 50 cm. below ground, cutting into pieces and removing the same from the site of work etc. complete as directed. Trees above 0.50 m and up to 1 m girth

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead up to 50 m and all lifts Normal soil @ 30% of total quantity

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead up to 50 m and all lifts Wet sticky soil @ 70% of total quantity

Carriage of excavated muddy/slushy soil/garbage by truck of 10 Ton capacity and depositing the same in suitable dumping ground up-to an average lead of 2.50 Km including cost of P.O.L. and loading/unloading charges etc. complete as directed.

Supply of geo textile tube (Mega Container) with the minimum properties as mentioned below: - o Polymer: PP of 400 GSM or above o Tube Circumference: 10m + 5% o Fill Port (diameter): 30 to 45 cm o Tensile Strength (MD): ≥ 100 kN/m o Tensile Strength (CD): ≥ 100 kN/m o Elongation - MD: ≤ 25% * AOS: ≤ 0.180 nim o Permittivity: ≥ 0.40 S-1 o Length: 25 m

Filling of geo-tubes (25m long and 10m circumference) with sand/silt of volume 176 cum by using mud pump not below the fill height of 1.60m as per drawing and technical specifications, binding the tube with 9mm nylon rope to jati bamboo pegs of length 2m placed 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 250 m, etc. including setting up of the tube laying platform complete as directed.

Compaction of locally available ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 30 cm thick including ploughing or roughening or benching the seats, removing all debries, dressing as per design section and compaction with three wheel static roller of 80-100 KN capacity in layers not exceeding 30 cm in thickness and core cutter soil test at every 500m distance, etc. complete as directed