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RE: gratings

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Have you also considered aluminum bar gratings? Depending upon the corrosive
conditions, aluminum may be more cost effective. 

William C. Sherman, PE
CDM, Denver, CO
Phone: 303-298-1311
Fax: 303-293-8236
email: shermanwc(--nospam--at)cdm.com


> -----Original Message-----
> From: Ashok Dani [mailto:ashokdani(--nospam--at)tatachem.tata.com]
> Sent: Thursday, November 21, 2002 12:13 AM
> To: 'seaint(--nospam--at)seaint.org'
> Subject: RE: gratings
> 
> 
> Dear Vishwanath , Ken and members,
> 
> First thankyou for the information given on the subject. 
> 
> Mr. Vishwanath you are absolutely correct "GI" stands for Hot dip
> Galvanizing (100 microns) as surface finish. 
> 
> I am considering three options for selecting the flooring 
> 
> 1) RCC Slab:  Self weight is prohibitive factor
> 2) FRP gratings : Self weight is lowest, best in corrosive 
> atmosphere but
> Initial cost is very high.
> 3) Welded bar gratings with GI finsh : Low self weight and corrosion
> protection, also the cost is almost half of FRP gratings.
> (Please convey me if there is are any other alternaitves)

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