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RE: Protection of Steel

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My concern at this time is corrosive agents attacking support steel.
Steel in corrosive environments is a part of my education which could
use some work. A text on corrosion protection of steel would be a good
addition to my Library. Any suggestions ? The present design requires
the supports to be removable for maintenance therefor concrete is out.  

> ----------
> From: 	hsprague(--nospam--at)[SMTP:hsprague(--nospam--at)] on
> behalf of hsprague(--nospam--at)[SMTP:hsprague(--nospam--at)]
> Sent: 	Tuesday, September 15, 1998 4:37 PM
> To: 	'seaint(--nospam--at)'
> Subject: 	RE: Protection of Steel
> See below.
> Harold Sprague, PE
> Krawinkler, Luth & Assoc.
> 	-----Original Message-----
> 	From:	Chance, Acie P. [SMTP:acie_chance(--nospam--at)]
> 	Sent:	Tuesday, September 15, 1998 5:21 PM
> 	To:	'seaint(--nospam--at)'
> 	Subject:	Protection of Steel
> 	I could use some help with this problem. I have two sumps at the
> bottom
> 	of a small pond like structure. The water will have a low
> Chloride
> 	content ( Parts per Million (PPM) to come later ). Is there a
> cutoff on
> 	PPM of Chloride where Galvanized steel will not do the job of
> protecting
> 	the carbon steel grating supports? 
> 	[Harold Sprague]  Not that I am aware of.
> 	I need to use Fiber Glass grating for
> 	weight. Which is cheaper in general Stainless Steel or Fiber
> Glass
> 	structural shapes? 
> 	[Harold Sprague]  Fiberglass, unless the loads are unusually
> high.
> 	Does anyone have a reference for coating to be used
> 	under "extreme Conditions"?
> 	[Harold Sprague]  You will have to define the "extreme
> conditions" (i.e. corrosive agents, abrasion, impact loads, explosive
> conditions, thermal extremes, UV exposure?).  And is it a concrete
> coating or a metalic coating.
> 	Thanks 
> 	Acie Chance