Sentences with phrase «year flood elevation»

Houston requires 1 foot of «freeboard,» meaning buildings must be elevated at least 1 foot above the 100 - year flood elevation.

New infrastructure projects also had to be flood - proofed — new roads and railways would have to be 2 feet above the 100 - year flood elevation standard and new hospitals 3 feet above.

The revised maps are the first update in the coastal areas of Maryland in 25 years and confirm both increases and decreases in the 100 - year flood elevations over this period of time.

Not exact matches

Elevation is important because the risk of flood damage is determined by a home's location relative to the 100 - year storm height.

In another example of glaring discrepancies, a 2016 study by Robert Criss of Washington University in Saint Louis found current estimates of 100 - year - flood elevations could be off by as much as 6.6 feetin parts of the Upper Mississippi River.

The Base Flood Elevation, or BFE shown on the Flood Insurance Rate Map (FIRM) for high - risk flood zones indicates the water surface elevation resulting from a flood that has a one percent chance of equaling or exceeding that level in any giElevation, or BFE shown on the Flood Insurance Rate Map (FIRM) for high - risk flood zones indicates the water surface elevation resulting from a flood that has a one percent chance of equaling or exceeding that level in any gielevation resulting from a flood that has a one percent chance of equaling or exceeding that level in any given year.

The finished grade elevation beneath the manufactured home or, if a basement is used, the grade beneath the basement shall be at or above the 100 - year return frequency flood elevation

The Mountain Juniper can not tolerate having their roots submerged for very long so periodic floods keep them at an elevation near the edge of the 100 - year flood plain.

I believe statistical determinations such as 100 - year flood plain elevations are driven more by politics than climatology.

The designated 100 - year flood plain elevation has been raised 3 times since the dam was built in 1930, the last time less than 10 years ago.

The moral of the story is 100 - year flood plain elevations aren't worth the paper they're written on.

We calculated the population in the flood plain based on the distribution of coastal population per 1 m elevation increment (Table 2) assuming that all land below the computed surge heights belongs to the 100 - year flood plain.

Flood plain maps show every locale in Massachusetts and list flood plain areas for 10 - year, 30 - year, 50 - year, and 100 - year periods based on the land and slope elevation, as well as your proximity to sources of water.