Protection of Katahbari area on the R/B embankment of river Pahumara. RETENDER

Amount

Supply of geo-textile Tube (Mega containers) with minimum properties as mentioned below: • Polymer = PP of 400 GSM or above • Tube Circumference = 10m + 5% • 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 = 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 1.60 m 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, pumping slurry using mud pump from a distance upto 500m, etc. including setting up of the tube laying platform, complete as directed.

Earth work in embankment by mechanical means by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and stacking in regular measurable stacks at suitable places including clearing debris, breaking clods up to 4 cm cube, excluding payment of forest royalty if any, etc. (12.50 % deduction will be made from measured quantities on account of shrinkage).

Spreading of earth stacks over the crest and slope of embankment and places as directed in uniform layer of 22 cm. thick including breaking clods, dressing, ramming etc. complete where necessary including dressing of the embankment, etc. complete as directed.

Shashi Devi Bajaj (BID ID -254965)