Flood Zone Base Plane First Floor

Base flood elevation bfe the elevation of surface water resulting from a flood that has a 1 chance of equaling or exceeding that level in any given year.

Flood zone base plane first floor.

Moderate flood hazard areas labeled zone b or zone x shaded are also shown on. Dwelling located in an a zone any flood zone beginning with the letter a has an attached garage floor elevation at or above the base flood elevation bfe the garage floor may be excluded for rating. Fema maintains and updates data through flood maps and risk assessments. The next elevation to review will be c2 section b which is the top of the next highest floor.

Just in case those terms are new to you the 1 percent annual chance flood means that statistically there s a 1 chance every year that there will be a flood that looks. The base flood is also referred to as the 1 percent annual chance flood or 100 year flood. Fema s flood mapping program is called risk mapping assessment and planning or risk map. Flood mapping is an important part of the national flood insurance program nfip as it is the basis of the nfip regulations and flood insurance requirements.

In many situations this will be the first rated floor. Zone a unnumbered high flooding risk because detailed analyses are not performed for such areas no depths or base flood elevations are shown within these zones. There is at least a one in four chance of flooding during a 30 year mortgage. See you home on the official fema flood maps.

Sfhas are labeled as zone a zone ao zone ah zones a1 a30 zone ae zone a99 zone ar zone ar ae zone ar ao zone ar a1 a30 zone ar a zone v zone ve and zones v1 v30. An attached garage floor elevation below the bfe can be excluded as the lowest floor for rating if the garage. We would like to show you a description here but the site won t allow us. The lowest floor elevation must be at or above the base flood elevation bfe.

Enclosed areas below the lowest floor cannot be used for living space. This could cause a drastic decrease in flood insurance premiums. Fema defines the base flood elevation bfe as the computed elevation to which the flood is anticipated to rise during the base flood. Get a flood zone review from a map specialist.

The 1 percent annual chance flood is also referred to as the base flood or 100 year flood.