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<br />The outside of a wall can also be <br />reinforced. The best way would <br />be to build a berm to above the <br />flood level. The greatest bene- <br />fit of this measure is that the <br />flood waters will not be able to <br />quickly run down the crack be- <br />tween the ground and your base- <br />ment wall. Waters will be kept <br />away until the berm is saturated. <br />Subsurface drainage should help <br />drain the saturated ground next <br />to the wall. <br /> <br />Subsurface Drainage: Subsurface <br />drainage can be provided by in- <br />stalling a drain tile around the <br />base of the foundation (footing). <br />The tile drains water seeping <br />through the ground and will <br />therefore relieve the walls of <br />the lateral water pressure. <br />The tile drains to a sump and <br />is pumped out. <br /> <br /> <br />, <br /> <br />- ~T1Nq / <br />c:r.eaN> UNl:. <br /> <br />'J... <br /> <br />.;.:. <br /> <br />p.: <br />:/~~ <br />;.>... <br /> <br /> <br />/lOTE: The <br />depends on <br />Underlying <br /> <br />~I."'" <br /> <br />effectiveness of this measure <br />proper soil conditions. <br />soils may be too permeable. <br /> <br /> <br />:.:0..< <br />~4; ~v/AJ..L <br /> <br />".-' <br /> <br />'- ~-rl <br /> <br />~) <br /> <br />'\. "-F~ ./' <br />'--- ~ TlLJ::.~ ~ <br /> <br />NOTE: The effectiveness of this measure <br />depends on proper soil conditions. <br />Underlying soils may be too permeable. <br /> <br />13 <br />