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Fire Protection for Steel Building

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We are in the Caribbean which can be more corrosive than continuous
sea-contact, due to the oxygen content of the air complete with ionic
compounds.  High humidity, a bombardment of sea-air, generally high
temps, highly corrosive...


From: "Mark" <imagineer66(--nospam--at)comcast.net>
To: <seaint(--nospam--at)seaint.org>
Subject: RE: Fire Protection for Steel Building

Are you designing a hospital ship or a building in continuous contact
with salt-water?

If so, I would separate the two problems.  The US Navy has found that
sacrificial anodic bars combined with a good regular maintenance program
(i.e., painting) alleviates the rust problem.

Mark

From: refugio rochin <fugeeo(--nospam--at)gmail.com>
To: seaint(--nospam--at)seaint.org
Subject: Fire Protection for Steel Building

Thanks Harold,
We feel intumescent coatings are innappropriate for sea water corrosive att=
ack.
Perhaps we are wrong?

Perhaps expensive, but also probably less costly than concrete encasement .=
..?
Thank you for your feedback.
Refugio Rochin
Systems Engineering Ltd.


From: "Harold Sprague" <spraguehope(--nospam--at)hotmail.com>
To: seaint(--nospam--at)seaint.org
Subject: RE: Fire Protection for steel building

The general category of coatings for fire protection and corrosion
protection are called intumescent coatings.  They were developed for the
petro-chemical industry to resist a certain amount of physical abuse, have
good adhesion, protect from corrosion, and to provide fire protection.

Many airport buildings with exposed structural steel are protected with
intumescent coatings.

They can be a bit costly.

Regards,
Harold Sprague

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