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Glossary of Common Restoration Terms - Z
Zinc, with the chemical symbol of Zn, is a metallic element that is used for galvanizing steel and provides it with cathodic protection.
Zinc chromate is a pigment that is used in paints to provide it with rust-inhibiting properties.
Zinc oxide, with chemical symbol ZnO, is another pigment used as a rust-inhibitor for primers and paints.
Zone A (unnumbered)
Zone A are Special Flood Hazard Areas that are subject to inundation from the 100-year flood. One-hundred-year floods are calculated to be the level of floodwater that is expected to be exceeded or equaled for an average of a hundred years. One-hundred-year floods have a 1% chance of being achieved in a single year. The predicted area of inundation can be mapped out based on the expected floodwater level. For Zone A, no hydraulic analyses have been performed so no base or flood elevations or depths are determined. For Zone A, flood insurance purchase requirements are mandatory.
Zone AE are Special Flood Hazard Areas that are subject to inundation from the 100-year flood determined by the Flood Insurance Study. Base flood elevations within these zones are identified and shown in flood insurance maps. For Zone AE, flood insurance purchase requirements are mandatory.
Zone AH are Special Flood Hazard Areas that are subject to inundation from the 100-year shallow flooding where average depths are between one and three feet. Usually these areas are attributed to ponding. Base flood elevations are identified in these zones. For Zone AH, flood insurance purchase requirements are mandatory.
Zone B, C and X
These zones are identified in community flood insurance studies as locations with moderate or minimal hazards from principal flood sources in the area. However, buildings in these zones can still be affected by severe flooding if concentrated rainfall occurs and is aggravated by inadequate local drainage systems. Flood insurance is not required by regulation in these areas although it is still available for participating individuals or communities.
Zone D areas remain unstudied and flood hazards are undetermined. Mandatory flood insurance purchases are not required although coverage is available voluntarily.
This glossary is another free service, provided by RestorationSOS® as a part of our comprehensive service pledge. We believe that knowledge is a key element in a smooth and successful restoration project.
The terms in this glossary are commonly used during fire and water damage restoration projects. These terms are likely to be included in the estimate and contract, and are usually translated into the final cost. Please feel free to contact us with any question or concern.
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