![]() Such barriers should be constructed using a floodwall made of concrete or masonry, or by using a levee made of compacted layers of soil with an impervious core. Placing a permanent barrier around the structure in question can prevent flood waters from reaching it. Sump pumps with battery backup are highly recommended to allow them to continue functioning when the power goes out. Similarly, a sump pump is a type of equipment that pumps water out of basements where flooding happens regularly. If the interior – usually a subgrade basement – is prepared using flood damage resistant materials, hydrostatic openings, and protected key equipment, the damage can be limited, although post-flood clean-up will be necessary. While this solution may seem like a counterintuitive one due to the damage it could do to the interior of the property, it actually provides an outlet for the flood water and relieves the damaging pressure that flood water puts on the windows and walls. Save this picture! © Jeff Knight, The Valley Reporter on FlickrĪn example of wet floodproofing is to install foundation vents, which allow flood water to flow through the home rather than pool around it. Thus, it is imperative that fuel tanks are anchored, either by attaching them to concrete slabs that are heavy enough to resist flood water forces, or by running straps over them and attaching them to ground anchors. Even buried tanks can be pushed to the surface due to buoyancy. Unanchored fuel tanks are easily moved by flood waters, which could drive the tank into walls, damage other property, and cause contamination if the supply line tears free and fills the water with oil. For precise requirements, architects should consult municipal codes. ![]() It is best that these components are raised above the flood level, but if necessary, they may be designed to prevent damage from flooding, whether through waterproof enclosures, barriers, protective coatings, or other techniques to protect vulnerable components. Electrical equipment in particular can potentially cause fires if short circuited. ![]() If these components are inundated in floodwater for even a short period of time, they can become severely damaged and will need to be replaced. Such equipment includes heating, ventilating, air conditioning, plumbing appliances, plumbing fixtures, duct systems, and electrical equipment including service panels, meters, switches, and outlets. Locating service equipment above the flood protection level is generally the best way to protect it. Raise or Floodproof HVAC Equipment and Mechanical, Plumbing, and Electrical System Components Save this picture! Flood of the River Trave in the historic Old Town of Luebeck, Germany. ![]()
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