Code Enforcement

Thank you for your help.   Letisha Desmares Inspections Division Supervisor Jefferson Parish EBC Fire Department (Eastbank Consolidated) 834 South Clearview Parkway Jefferson, LA 70123 Desk 504-731-4442 Office 504-736-6200

Thank you!

Looks to me like you are reading the standards correctly for a Category A  animal classification. 

Foam base sprinkler not need

Large dimension beams and girders are part of type IV construction and often can have a  1 or 2 hr rating depending on other factors. The science support that large mass timber are harder to ignite and some charring slows the rate of burn as compared to the same material with smaller dimensions. Think of trying to start a wood stove with large…

As Milton provided it seems pretty clear. Typically standpipe hose connections are inside the fire rated stairwell allowing firefighters a safe location to make connections, flake out the hose and then enter the affected area. 

Hearsay would not be good enough for me to prove what the contractor said. There are some fire tested wall assemblies that are tested with air duct passing through it. They are usually 10" x 10" sized ducts.