<p>RB_2+: For 3m wide &amp; 3m high earthen ring bundh constructed by driving 2/3rd part of 9m long wooden bullah at 500mm c/c in the outer side and driving same length bullah at 750mm c/c in the inner side, placing tarza &amp; dram sheet including lapping of min. 150mm, polythene sheet, soil filled geobag in the outer side, wooden bracing with 50mm x 50mm at 600mm c/c vertically, cross bracing with 12 BWG Gl wire @ 1500mm c/c, bailing out of standing water from inner portion of ring bundh etc.<br>[For Depth of standing water: Above 2m and up to 3m]</p>