MyFloridaCode.com

Thanks Sal, I'm familiar with the manual, my point is that it's being
ignored.

 

The text below is from FEMA Tech Bulletin 5:

 

A solid entry door capable of resisting all design loads must be installed
at the top of any access stairs or ramps.

Access stairs are some-times constructed inside a breakaway enclosure, with
an entry door at the bot-tom of the enclosure, but without an entry door
into the elevated building. This practice leads to building damage. The lack
of an en-try door at the top results in a large opening in the building
envelope when the enclosure breaks away. This exposes the building inte-rior
to higher internal wind pressures and wind-driven rain, and provides
floodwa-ters an easy path into the building.

 

Stairs and ramps are not required to break away themselves, but this is a
design option. Stairs and ramps must be designed and constructed to either:

Break away during base flood conditions without causing damage to the
building or its foundation, or resist flood loads and remain in place during
the base flood. If this option is selected, the elevated building and its
foundation must be designed to resist any flood loads that are transferred
from the stairs or ramp to the building.

 

 

Mark Cramer

Mark Cramer Inspection Services, Inc.

492 20th Ave. 

Indian Rocks Beach, FL 33785

727-595-4211

http://www.BestTampaInspector.com

 

From: Belloise, Salvatore [mailto:BelloiseS at bbfl.us] 
Sent: Wednesday, February 11, 2009 11:54 AM
To: Mark Cramer; Building Officials Association of Florida,Inc.
Cc: codetalk at myfloridacode.com
Subject: RE: [Florida Code Talk] V Zone question

 

Mark:

 

 

When designing a residence in coastal areas the Coastal Construction Manual;
Design and Construction Manual for Residential Buildings in Coastal High
Hazard Areas is used. This manual was developed by the Federal Insurance
Administration (FIA) of the Federal Emergency Management Agency (FEMA). FEMA
is well aware of the requirements of coastal construction, i.e., wind,
water, storm surge, etc. You should contact FEMA and request the latest copy
of the Coastal Construction Manual. 

 

A breakaway wall is a wall that is not part of the structural support of the
building, intended through its design and construction to collapse under
specific lateral (wind and water) loading conditions without causing
collapse, displacement, or other structural damage to the elevated portion
of the building or supporting foundation system. Your design divas and
architects are very familiar with this manual.

 

Hope this helps. 

 

Sal Belloise

City Of Boynton-Beach 

 

-----Original Message-----
From: codetalk-bounces at myfloridacode.com
[mailto:codetalk-bounces at myfloridacode.com] On Behalf Of Mark Cramer
Sent: Wednesday, February 11, 2009 11:09 AM
To: 'Building Officials Association of Florida,Inc.'
Cc: codetalk at myfloridacode.com
Subject: [Florida Code Talk] V Zone question

 

I've looked at 3 homes in the last couple weeks that are all in the V zone,

requiring break away walls. When the walls break away, all of these homes

now have a large opening in the underside of the living space floor that's

open to wind pressure. The opening is for the stairway from the ground level

to the living space. In one case,  the interior walls of the garage will now

be exposed to wind pressure. No one seems to have considered this issue. 

 

 

 

Has anyone seen a design that deals with this? I'm not sure how you could

meet FEMA requirements and wind pressure requirements at the same time. . . 

 

 

 

Mark Cramer

 

Mark Cramer Inspection Services, Inc.

 

492 20th Ave. 

 

Indian Rocks Beach, FL 33785

 

727-595-4211

 

http://www.BestTampaInspector.com

 

 

 

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