<p>PVJD: Prefabricated Vertical Jute Drains (PVJD) shall consist of an outer sheath (jacket) made of woven jute geotextile (JGT) with 4-coir wicks separated by stitched compartments having discharge capacity at 7 days (200 kPa at hydraulic gradient of 1.0) shall be greater than 500 m3/yr and shall meet the following specifications.<br>Composite Drain Properties:<br>Width (mm) ≥ 90±10%, Thickness (mm) &gt; 5, Grab Tensile Strength (N), MD X CD &gt; 350 X 350, Trapezoidal Tear Strength (N), MD X CD &gt; 100 X 100, Puncture Resistance (N) &gt; 100, Burst Strength (N) &gt; 900, Apparent Opening size (AOS, 095) (micron) ≤ 90.<br>Filter Fabric Properties:<br>Equivalent Diameter (mm) &gt; 50.</p>