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Difference in cover for fire reistance in IS456 and IS1642
Posted November 23rd, 2009 by kshijina
Project: | www.sefindia.org |
Component: | Code |
Category: | feature request |
Priority: | critical |
Assigned: | kshijina |
Status: | active |
Description
Clear cover required for fire resistance in structural elements.
As per IS456-2000, nominal cover for reinf. in fully exposed column is 40mm. for 2hrs fire rating.
whereas, as per IS1642-1989, nominal cover for reinf. for the same condition is 35mm.
Similarly covers specified for all structural elements differs in both codes.
Please guide.