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        This would probably be covered  in Part 3 of the National Building Code of Canada.  Be aware that the National Building Code is a model building code and that various jurisdictions must adopt it for it to be legal.  Most jurisdictions do adopt it with some modifications; and Part 3 is that part which they most often and most extensively modify.  You might also want to consult User's Guide - Structural Commentaries (Part 4), Commentary M, Structural Integrity of Fire Walls.  The Commentaries are part of a separate publication that you must have in addition to the code; make sure that you get both the Code AND the Commentaries.

        You will probably have to get the applicable provinces code and also get an answer from the appropriate Building Official.


H. Daryl Richardson

Mumtaz Hassan Lashari wrote:


I am working on a agri-industrial facility in Canada. This big industrial
facilty is about 200'X80' and about 100ft high.

Where this facilty ends on one side, a ware house has to be provided. size
of the ware house is 80'X75' and 24 feet high.

A 2 hour fire wall has to be provided between this ware house and industrial
facilty due to fire catching properties of material to be stored. The
firewall is designed as 8inches wide and 80ft long. I want to know high the
fire wall should be , between ware house and Ag-Industrial facility where
the ware house is 24ft high and industrial facility is 100 ft high.

NBCC (page 38) says that " any wall, partition or floor assembly
required to be a fire separation shall be constructed as a continuous

IBC 2003, 705.6 " Vertical Continuity. Fire wall shall extend from the
foundation to a termination point at least 30in above both adjacent roofs"

Awaiting your comments!

Hassan Lasahri

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