<p>Here precast concrete wall details including precast u drain with dwf , 50 thk sand , 150 thk hardcore , y12 connect to the start bar , RC strut Every 3m if h1 and h2 = 400mm and above , 4y12 , platform , concrete grade 25 , 20mm high from platform with 150mm opening per 3mm distance for surface water flow , 150mm upvc plastic and net for weep hole for every 3m distance covered by cement mortar. The filled mold is then cured in a controlled environment to ensure greater control over material quality. <strong>The inherent structural properties of precast walls</strong> mean that they do not require additional bracing to resist racking loads and that simple design of cross walls and junctions can provide adequate lateral bracing. for more details of precast concrete wall download this file.</p>