Extension of Brahmaputra dyke U/S of Kerker to Borong (Phase -I ) (Package 3)

Earthwork in grabbing the seat of the embankment up-to 0.3 m depth by mechanical means and depositing the soils outside the country side toe of the proposed structures, etc. complete as directed.

Earth work in embankment by tractor trailer carriage by Mechanical means with locally available ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 25 cm thick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 4cm cube, 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 layer and every 500m distance, etc. complete as directed. For initial Lead upto 1.00 km for all lifts. For beyond initial 1 Km & up to 10.00 Km & for all lifts. (Total lead=2km)

Turfing with grass sods of largest possible rectangles of 12 cm. minimum thickness placed closely including dressing earth pegging with Jati bamboo split, watering till the grass grows for a lead up to 90 m and all lifts, etc. complete as directed.

Construction of temporary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart, driven at least 0.75 m below ground and height above plinth of 2.5 m. Split Jatti bamboo/tarza wall 10 cm thick touch roofing over bamboo rua frame, placing at 0.15 m clear apart, fitted with bamboo kamies from binding doors and windows with Bamboo Chattai, strengthening with Bamboo frame binding with wire, roofing with TATA Shaktee roofing sheets etc., complete as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos./Rm & Jati Bamboo at the rate of 61.00 nos./Rm)

Supply of Geo Textile tube (Mega Container) with the minimum properties as mentioned below:- 1. Polymer:PP of 400GSM or above 2. Tube Circumference:10m +5% 3. Fill port (diameter): 30to 45 cm 4. Tensile Strength (MD):>100 KN/m 5. Tensile Strength (CD):>100 KN/m 6. Elongation-MD:<25% 7. AOS<0.180 mm 8. Permittivity > 0.40 S-1 9. Length: 25m

Filling of geotubes (25m long and 10m circumference) with sand of volume 176 cum by using mud pump not below the fill height of 1.60m as per drawing and technical specification , 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,etc., pumping slurry using mud pump from a distance upto 500m etc including setting up of the tube laying platform ,complete as directed